diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index c1eb41c..2b5d561 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -206,3 +206,16 @@ Description: when a discarded area is read the discard_zeroes_data parameter will be set to one. Otherwise it will be 0 and the result of reading a discarded area is undefined. +What: /sys/block//alias +Date: Aug 2011 +Contact: Nao Nishijima +Description: + A raw device name of a disk does not always point a same disk + each boot-up time. Therefore, users have to use persistent + device names, which udev creates when the kernel finds a disk, + instead of raw device name. However, kernel doesn't show those + persistent names on its messages (e.g. dmesg). + This file can store an alias of the disk and it would be + appeared in kernel messages if it is set. A disk can have an + alias which length is up to 255bytes. Users can use alphabets, + numbers, "-" and "_" in alias name. This file is writeonce. diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 15c9762..cbbf7d8 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -46,6 +46,8 @@ struct qdesfmt0 { u32 : 16; } __attribute__ ((packed)); +#define QDR_AC_MULTI_BUFFER_ENABLE 0x01 + /** * struct qdr - queue description record (QDR) * @qfmt: queue format @@ -222,6 +224,8 @@ struct slsb { u8 val[QDIO_MAX_BUFFERS_PER_Q]; } __attribute__ ((packed, aligned(256))); +#define CHSC_AC2_MULTI_BUFFER_AVAILABLE 0x0080 +#define CHSC_AC2_MULTI_BUFFER_ENABLED 0x0040 #define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010 #define CHSC_AC2_DATA_DIV_ENABLED 0x0002 @@ -287,6 +291,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, struct qdio_initialize { struct ccw_device *cdev; unsigned char q_format; + unsigned char qdr_ac; unsigned char adapter_name[8]; unsigned int qib_param_field_format; unsigned char *qib_param_field; diff --git a/block/genhd.c b/block/genhd.c index e2f6790..94855a9 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "blk.h" @@ -909,6 +910,74 @@ static int __init genhd_device_init(void) subsys_initcall(genhd_device_init); +static ssize_t alias_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct gendisk *disk = dev_to_disk(dev); + ssize_t ret = 0; + + if (disk->alias) + ret = snprintf(buf, ALIAS_LEN, "%s\n", disk->alias); + return ret; +} + +static ssize_t alias_store(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct gendisk *disk = dev_to_disk(dev); + char *alias; + char *envp[] = { NULL, NULL }; + unsigned char c; + int i; + ssize_t ret = count; + + if (!count) + return -EINVAL; + + if (count >= ALIAS_LEN) { + printk(KERN_ERR "alias: alias is too long\n"); + return -EINVAL; + } + + /* Validation check */ + for (i = 0; i < count; i++) { + c = buf[i]; + if (i == count - 1 && c == '\n') + break; + if (!isalnum(c) && c != '_' && c != '-') { + printk(KERN_ERR "alias: invalid alias\n"); + return -EINVAL; + } + } + + if (disk->alias) { + printk(KERN_INFO "alias: %s is already assigned (%s)\n", + disk->disk_name, disk->alias); + return -EINVAL; + } + + alias = kasprintf(GFP_KERNEL, "%s", buf); + if (!alias) + return -ENOMEM; + + if (alias[count - 1] == '\n') + alias[count - 1] = '\0'; + + envp[0] = kasprintf(GFP_KERNEL, "ALIAS=%s", alias); + if (!envp[0]) { + kfree(alias); + return -ENOMEM; + } + + disk->alias = alias; + printk(KERN_INFO "alias: assigned %s to %s\n", alias, disk->disk_name); + + kobject_uevent_env(&dev->kobj, KOBJ_ADD, envp); + + kfree(envp[0]); + return ret; +} + static ssize_t disk_range_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -968,6 +1037,7 @@ static ssize_t disk_discard_alignment_show(struct device *dev, return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue)); } +static DEVICE_ATTR(alias, S_IRUGO|S_IWUSR, alias_show, alias_store); static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL); static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL); static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL); @@ -990,6 +1060,7 @@ static struct device_attribute dev_attr_fail_timeout = #endif static struct attribute *disk_attrs[] = { + &dev_attr_alias.attr, &dev_attr_range.attr, &dev_attr_ext_range.attr, &dev_attr_removable.attr, diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 9c61b9c..84e8c29 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -632,6 +632,59 @@ iscsi_iser_ep_disconnect(struct iscsi_endpoint *ep) iser_conn_terminate(ib_conn); } +static mode_t iser_attr_is_visible(int param_type, int param) +{ + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_NETDEV_NAME: + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_HDRDGST_EN: + case ISCSI_PARAM_DATADGST_EN: + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_EXP_STATSN: + case ISCSI_PARAM_PERSISTENT_ADDRESS: + case ISCSI_PARAM_PERSISTENT_PORT: + case ISCSI_PARAM_PING_TMO: + case ISCSI_PARAM_RECV_TMO: + case ISCSI_PARAM_INITIAL_R2T_EN: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_IMM_DATA_EN: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_PDU_INORDER_EN: + case ISCSI_PARAM_DATASEQ_INORDER_EN: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: + case ISCSI_PARAM_FAST_ABORT: + case ISCSI_PARAM_ABORT_TMO: + case ISCSI_PARAM_LU_RESET_TMO: + case ISCSI_PARAM_TGT_RESET_TMO: + case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + } + + return 0; +} + static struct scsi_host_template iscsi_iser_sht = { .module = THIS_MODULE, .name = "iSCSI Initiator over iSER, v." DRV_VER, @@ -653,32 +706,6 @@ static struct iscsi_transport iscsi_iser_transport = { .owner = THIS_MODULE, .name = "iser", .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T, - .param_mask = ISCSI_MAX_RECV_DLENGTH | - ISCSI_MAX_XMIT_DLENGTH | - ISCSI_HDRDGST_EN | - ISCSI_DATADGST_EN | - ISCSI_INITIAL_R2T_EN | - ISCSI_MAX_R2T | - ISCSI_IMM_DATA_EN | - ISCSI_FIRST_BURST | - ISCSI_MAX_BURST | - ISCSI_PDU_INORDER_EN | - ISCSI_DATASEQ_INORDER_EN | - ISCSI_CONN_PORT | - ISCSI_CONN_ADDRESS | - ISCSI_EXP_STATSN | - ISCSI_PERSISTENT_PORT | - ISCSI_PERSISTENT_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | - ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO | - ISCSI_PING_TMO | ISCSI_RECV_TMO | - ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, - .host_param_mask = ISCSI_HOST_HWADDRESS | - ISCSI_HOST_NETDEV_NAME | - ISCSI_HOST_INITIATOR_NAME, /* session management */ .create_session = iscsi_iser_session_create, .destroy_session = iscsi_iser_session_destroy, @@ -686,6 +713,7 @@ static struct iscsi_transport iscsi_iser_transport = { .create_conn = iscsi_iser_conn_create, .bind_conn = iscsi_iser_conn_bind, .destroy_conn = iscsi_iser_conn_destroy, + .attr_is_visible = iser_attr_is_visible, .set_param = iscsi_iser_set_param, .get_conn_param = iscsi_conn_get_param, .get_ep_param = iscsi_iser_get_ep_param, diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index 7956a10..e9c6a60 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -63,6 +63,8 @@ #ifdef CONFIG_MTRR #include #endif +#include +#include #include "mptbase.h" #include "lsi/mpi_log_fc.h" @@ -323,6 +325,32 @@ mpt_is_discovery_complete(MPT_ADAPTER *ioc) return rc; } + +/** + * mpt_remove_dead_ioc_func - kthread context to remove dead ioc + * @arg: input argument, used to derive ioc + * + * Return 0 if controller is removed from pci subsystem. + * Return -1 for other case. + */ +static int mpt_remove_dead_ioc_func(void *arg) +{ + MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; + struct pci_dev *pdev; + + if ((ioc == NULL)) + return -1; + + pdev = ioc->pcidev; + if ((pdev == NULL)) + return -1; + + pci_remove_bus_device(pdev); + return 0; +} + + + /** * mpt_fault_reset_work - work performed on workq after ioc fault * @work: input argument, used to derive ioc @@ -336,12 +364,45 @@ mpt_fault_reset_work(struct work_struct *work) u32 ioc_raw_state; int rc; unsigned long flags; + MPT_SCSI_HOST *hd; + struct task_struct *p; if (ioc->ioc_reset_in_progress || !ioc->active) goto out; + ioc_raw_state = mpt_GetIocState(ioc, 0); - if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) { + if ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_MASK) { + printk(MYIOC_s_INFO_FMT "%s: IOC is non-operational !!!!\n", + ioc->name, __func__); + + /* + * Call mptscsih_flush_pending_cmds callback so that we + * flush all pending commands back to OS. + * This call is required to aovid deadlock at block layer. + * Dead IOC will fail to do diag reset,and this call is safe + * since dead ioc will never return any command back from HW. + */ + hd = shost_priv(ioc->sh); + ioc->schedule_dead_ioc_flush_running_cmds(hd); + + /*Remove the Dead Host */ + p = kthread_run(mpt_remove_dead_ioc_func, ioc, + "mpt_dead_ioc_%d", ioc->id); + if (IS_ERR(p)) { + printk(MYIOC_s_ERR_FMT + "%s: Running mpt_dead_ioc thread failed !\n", + ioc->name, __func__); + } else { + printk(MYIOC_s_WARN_FMT + "%s: Running mpt_dead_ioc thread success !\n", + ioc->name, __func__); + } + return; /* don't rearm timer */ + } + + if ((ioc_raw_state & MPI_IOC_STATE_MASK) + == MPI_IOC_STATE_FAULT) { printk(MYIOC_s_WARN_FMT "IOC is in FAULT state (%04xh)!!!\n", ioc->name, ioc_raw_state & MPI_DOORBELL_DATA_MASK); printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n", @@ -6413,8 +6474,19 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg) pReq->Action, ioc->mptbase_cmds.status, timeleft)); if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) goto out; - if (!timeleft) + if (!timeleft) { + spin_lock_irqsave(&ioc->taskmgmt_lock, flags); + if (ioc->ioc_reset_in_progress) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, + flags); + printk(MYIOC_s_INFO_FMT "%s: host reset in" + " progress mpt_config timed out.!!\n", + __func__, ioc->name); + return -EFAULT; + } + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); issue_hard_reset = 1; + } goto out; } @@ -7128,7 +7200,18 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) spin_lock_irqsave(&ioc->taskmgmt_lock, flags); if (ioc->ioc_reset_in_progress) { spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); - return 0; + ioc->wait_on_reset_completion = 1; + do { + ssleep(1); + } while (ioc->ioc_reset_in_progress == 1); + ioc->wait_on_reset_completion = 0; + return ioc->reset_status; + } + if (ioc->wait_on_reset_completion) { + spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags); + rc = 0; + time_count = jiffies; + goto exit; } ioc->ioc_reset_in_progress = 1; if (ioc->alt_ioc) @@ -7165,6 +7248,7 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) ioc->ioc_reset_in_progress = 0; ioc->taskmgmt_quiesce_io = 0; ioc->taskmgmt_in_progress = 0; + ioc->reset_status = rc; if (ioc->alt_ioc) { ioc->alt_ioc->ioc_reset_in_progress = 0; ioc->alt_ioc->taskmgmt_quiesce_io = 0; @@ -7180,7 +7264,7 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag) ioc->alt_ioc, MPT_IOC_POST_RESET); } } - +exit: dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler: completed (%d seconds): %s\n", ioc->name, diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h index fe90233..b4d24dc 100644 --- a/drivers/message/fusion/mptbase.h +++ b/drivers/message/fusion/mptbase.h @@ -76,8 +76,8 @@ #define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR #endif -#define MPT_LINUX_VERSION_COMMON "3.04.19" -#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.19" +#define MPT_LINUX_VERSION_COMMON "3.04.20" +#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.20" #define WHAT_MAGIC_STRING "@" "(" "#" ")" #define show_mptmod_ver(s,ver) \ @@ -554,10 +554,47 @@ struct mptfc_rport_info u8 flags; }; +/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ + +/* + * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers + * Private to the driver. + */ + +#define MPT_HOST_BUS_UNKNOWN (0xFF) +#define MPT_HOST_TOO_MANY_TM (0x05) +#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) +#define MPT_HOST_NO_CHAIN (0xFFFFFFFF) +#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF) +#define MPT_NVRAM_SYNC_MASK (0x0000FF00) +#define MPT_NVRAM_SYNC_SHIFT (8) +#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000) +#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000) +#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000) +#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000) +#define MPT_NVRAM_WIDE_DISABLE (0x00100000) +#define MPT_NVRAM_BOOT_CHOICE (0x00200000) + +typedef enum { + FC, + SPI, + SAS +} BUS_TYPE; + +typedef struct _MPT_SCSI_HOST { + struct _MPT_ADAPTER *ioc; + ushort sel_timeout[MPT_MAX_FC_DEVICES]; + char *info_kbuf; + long last_queue_full; + u16 spi_pending; + struct list_head target_reset_list; +} MPT_SCSI_HOST; + typedef void (*MPT_ADD_SGE)(void *pAddr, u32 flagslength, dma_addr_t dma_addr); typedef void (*MPT_ADD_CHAIN)(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr); typedef void (*MPT_SCHEDULE_TARGET_RESET)(void *ioc); +typedef void (*MPT_FLUSH_RUNNING_CMDS)(MPT_SCSI_HOST *hd); /* * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS @@ -716,7 +753,10 @@ typedef struct _MPT_ADAPTER int taskmgmt_in_progress; u8 taskmgmt_quiesce_io; u8 ioc_reset_in_progress; + u8 reset_status; + u8 wait_on_reset_completion; MPT_SCHEDULE_TARGET_RESET schedule_target_reset; + MPT_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds; struct work_struct sas_persist_task; struct work_struct fc_setup_reset_work; @@ -830,19 +870,6 @@ typedef struct _MPT_LOCAL_REPLY { u32 pad; } MPT_LOCAL_REPLY; -#define MPT_HOST_BUS_UNKNOWN (0xFF) -#define MPT_HOST_TOO_MANY_TM (0x05) -#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF) -#define MPT_HOST_NO_CHAIN (0xFFFFFFFF) -#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF) -#define MPT_NVRAM_SYNC_MASK (0x0000FF00) -#define MPT_NVRAM_SYNC_SHIFT (8) -#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000) -#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000) -#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000) -#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000) -#define MPT_NVRAM_WIDE_DISABLE (0x00100000) -#define MPT_NVRAM_BOOT_CHOICE (0x00200000) /* The TM_STATE variable is used to provide strict single threading of TM * requests as well as communicate TM error conditions. @@ -851,21 +878,6 @@ typedef struct _MPT_LOCAL_REPLY { #define TM_STATE_IN_PROGRESS (1) #define TM_STATE_ERROR (2) -typedef enum { - FC, - SPI, - SAS -} BUS_TYPE; - -typedef struct _MPT_SCSI_HOST { - MPT_ADAPTER *ioc; - ushort sel_timeout[MPT_MAX_FC_DEVICES]; - char *info_kbuf; - long last_queue_full; - u16 spi_pending; - struct list_head target_reset_list; -} MPT_SCSI_HOST; - /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ /* * More Dynamic Multi-Pathing stuff... diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 7596aec..9d95042 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -92,6 +92,11 @@ static int max_lun = MPTSAS_MAX_LUN; module_param(max_lun, int, 0); MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); +static int mpt_loadtime_max_sectors = 8192; +module_param(mpt_loadtime_max_sectors, int, 0); +MODULE_PARM_DESC(mpt_loadtime_max_sectors, + " Maximum sector define for Host Bus Adaptor.Range 64 to 8192 default=8192"); + static u8 mptsasDoneCtx = MPT_MAX_PROTOCOL_DRIVERS; static u8 mptsasTaskCtx = MPT_MAX_PROTOCOL_DRIVERS; static u8 mptsasInternalCtx = MPT_MAX_PROTOCOL_DRIVERS; /* Used only for internal commands */ @@ -285,10 +290,11 @@ mptsas_add_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, spin_lock_irqsave(&ioc->fw_event_lock, flags); list_add_tail(&fw_event->list, &ioc->fw_event_list); INIT_DELAYED_WORK(&fw_event->work, mptsas_firmware_event_work); - devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)\n", - ioc->name, __func__, fw_event)); - queue_delayed_work(ioc->fw_event_q, &fw_event->work, - delay); + devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: add (fw_event=0x%p)" + "on cpuid %d\n", ioc->name, __func__, + fw_event, smp_processor_id())); + queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, + &fw_event->work, delay); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -300,10 +306,11 @@ mptsas_requeue_fw_event(MPT_ADAPTER *ioc, struct fw_event_work *fw_event, unsigned long flags; spin_lock_irqsave(&ioc->fw_event_lock, flags); devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: reschedule task " - "(fw_event=0x%p)\n", ioc->name, __func__, fw_event)); + "(fw_event=0x%p)on cpuid %d\n", ioc->name, __func__, + fw_event, smp_processor_id())); fw_event->retries++; - queue_delayed_work(ioc->fw_event_q, &fw_event->work, - msecs_to_jiffies(delay)); + queue_delayed_work_on(smp_processor_id(), ioc->fw_event_q, + &fw_event->work, msecs_to_jiffies(delay)); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -1943,6 +1950,15 @@ static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc) goto done; } + /* In case if IOC is in reset from internal context. + * Do not execute EEH for the same IOC. SML should to reset timer. + */ + if (ioc->ioc_reset_in_progress) { + dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: ioc is in reset," + "SML need to reset the timer (sc=%p)\n", + ioc->name, __func__, sc)); + rc = BLK_EH_RESET_TIMER; + } vdevice = sc->device->hostdata; if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD || vdevice->vtarget->deleted)) { @@ -5142,6 +5158,8 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->TaskCtx = mptsasTaskCtx; ioc->InternalCtx = mptsasInternalCtx; ioc->schedule_target_reset = &mptsas_schedule_target_reset; + ioc->schedule_dead_ioc_flush_running_cmds = + &mptscsih_flush_running_cmds; /* Added sanity check on readiness of the MPT adapter. */ if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { @@ -5239,6 +5257,21 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) sh->sg_tablesize = numSGE; } + if (mpt_loadtime_max_sectors) { + if (mpt_loadtime_max_sectors < 64 || + mpt_loadtime_max_sectors > 8192) { + printk(MYIOC_s_INFO_FMT "Invalid value passed for" + "mpt_loadtime_max_sectors %d." + "Range from 64 to 8192\n", ioc->name, + mpt_loadtime_max_sectors); + } + mpt_loadtime_max_sectors &= 0xFFFFFFFE; + dprintk(ioc, printk(MYIOC_s_DEBUG_FMT + "Resetting max sector to %d from %d\n", + ioc->name, mpt_loadtime_max_sectors, sh->max_sectors)); + sh->max_sectors = mpt_loadtime_max_sectors; + } + hd = shost_priv(sh); hd->ioc = ioc; diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index ce61a57..ced6e4d 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1024,7 +1024,7 @@ out: * * Must be called while new I/Os are being queued. */ -static void +void mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) { MPT_ADAPTER *ioc = hd->ioc; @@ -1055,6 +1055,7 @@ mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) sc->scsi_done(sc); } } +EXPORT_SYMBOL(mptscsih_flush_running_cmds); /* * mptscsih_search_running_cmds - Delete any commands associated @@ -1629,7 +1630,13 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, return 0; } - if (ioc_raw_state & MPI_DOORBELL_ACTIVE) { + /* DOORBELL ACTIVE check is not required if + * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported. + */ + + if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) + && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) && + (ioc_raw_state & MPI_DOORBELL_ACTIVE)) { printk(MYIOC_s_WARN_FMT "TaskMgmt type=%x: ioc_state: " "DOORBELL_ACTIVE (0x%x)!\n", @@ -1728,7 +1735,9 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!! doorbell=0x%08x\n", ioc->name, __func__, mpt_GetIocState(ioc, 0)); - retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); + retval = (ioc->bus_type == SAS) ? + mpt_HardResetHandler(ioc, CAN_SLEEP) : + mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP); mpt_free_msg_frame(ioc, mf); } diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h index 45a5ff3..43e75ff 100644 --- a/drivers/message/fusion/mptscsih.h +++ b/drivers/message/fusion/mptscsih.h @@ -135,3 +135,4 @@ extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id); extern struct device_attribute *mptscsih_host_attrs[]; extern struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i); extern void mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code); +extern void mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd); diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index 288c914..d2c1f1b 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -156,7 +156,8 @@ again: DBF_ERROR("%3d%3d%2d", count, tmp_count, nr); q->handler(q->irq_ptr->cdev, QDIO_ERROR_ACTIVATE_CHECK_CONDITION, - 0, -1, -1, q->irq_ptr->int_parm); + q->nr, q->first_to_kick, count, + q->irq_ptr->int_parm); return 0; } return count - tmp_count; @@ -202,7 +203,8 @@ again: DBF_ERROR("%3d%3d%2d", count, tmp_count, nr); q->handler(q->irq_ptr->cdev, QDIO_ERROR_ACTIVATE_CHECK_CONDITION, - 0, -1, -1, q->irq_ptr->int_parm); + q->nr, q->first_to_kick, count, + q->irq_ptr->int_parm); return 0; } WARN_ON(tmp_count); @@ -942,6 +944,7 @@ static void qdio_handle_activate_check(struct ccw_device *cdev, { struct qdio_irq *irq_ptr = cdev->private->qdio_data; struct qdio_q *q; + int count; DBF_ERROR("%4x ACT CHECK", irq_ptr->schid.sch_no); DBF_ERROR("intp :%lx", intparm); @@ -955,8 +958,10 @@ static void qdio_handle_activate_check(struct ccw_device *cdev, dump_stack(); goto no_handler; } + + count = sub_buf(q->first_to_check, q->first_to_kick); q->handler(q->irq_ptr->cdev, QDIO_ERROR_ACTIVATE_CHECK_CONDITION, - 0, -1, -1, irq_ptr->int_parm); + q->nr, q->first_to_kick, count, irq_ptr->int_parm); no_handler: qdio_set_state(irq_ptr, QDIO_IRQ_STATE_STOPPED); } diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index 89107d0..a82b2d3 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -345,6 +345,7 @@ static void setup_qdr(struct qdio_irq *irq_ptr, int i; irq_ptr->qdr->qfmt = qdio_init->q_format; + irq_ptr->qdr->ac = qdio_init->qdr_ac; irq_ptr->qdr->iqdcnt = qdio_init->no_input_qs; irq_ptr->qdr->oqdcnt = qdio_init->no_output_qs; irq_ptr->qdr->iqdsz = sizeof(struct qdesfmt0) / 4; /* size in words */ diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 96d1462..967e7b7 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -163,6 +163,42 @@ void zfcp_dbf_hba_bit_err(char *tag, struct zfcp_fsf_req *req) spin_unlock_irqrestore(&dbf->hba_lock, flags); } +/** + * zfcp_dbf_hba_def_err - trace event for deferred error messages + * @adapter: pointer to struct zfcp_adapter + * @req_id: request id which caused the deferred error message + * @scount: number of sbals incl. the signaling sbal + * @pl: array of all involved sbals + */ +void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount, + void **pl) +{ + struct zfcp_dbf *dbf = adapter->dbf; + struct zfcp_dbf_pay *payload = &dbf->pay_buf; + unsigned long flags; + u16 length; + + if (!pl) + return; + + spin_lock_irqsave(&dbf->pay_lock, flags); + memset(payload, 0, sizeof(*payload)); + + memcpy(payload->area, "def_err", 7); + payload->fsf_req_id = req_id; + payload->counter = 0; + length = min((u16)sizeof(struct qdio_buffer), + (u16)ZFCP_DBF_PAY_MAX_REC); + + while ((char *)pl[payload->counter] && payload->counter < scount) { + memcpy(payload->data, (char *)pl[payload->counter], length); + debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length)); + payload->counter++; + } + + spin_unlock_irqrestore(&dbf->pay_lock, flags); +} + static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec, struct zfcp_adapter *adapter, struct zfcp_port *port, diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 527ba48..ed5d921 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -72,6 +72,7 @@ struct zfcp_reqlist; #define ZFCP_STATUS_COMMON_NOESC 0x00200000 /* adapter status */ +#define ZFCP_STATUS_ADAPTER_MB_ACT 0x00000001 #define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002 #define ZFCP_STATUS_ADAPTER_SIOSL_ISSUED 0x00000004 #define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008 @@ -314,4 +315,10 @@ struct zfcp_fsf_req { void (*handler)(struct zfcp_fsf_req *); }; +static inline +int zfcp_adapter_multi_buffer_active(struct zfcp_adapter *adapter) +{ + return atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_MB_ACT; +} + #endif /* ZFCP_DEF_H */ diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 03627cfd..2302e1c 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -53,6 +53,7 @@ extern void zfcp_dbf_hba_fsf_uss(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); +extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 022fb6a..e9a787e 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -936,39 +936,47 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req, struct scatterlist *sg_resp) { struct zfcp_adapter *adapter = req->adapter; + struct zfcp_qdio *qdio = adapter->qdio; + struct fsf_qtcb *qtcb = req->qtcb; u32 feat = adapter->adapter_features; - int bytes; - if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) { - if (!zfcp_qdio_sg_one_sbale(sg_req) || - !zfcp_qdio_sg_one_sbale(sg_resp)) - return -EOPNOTSUPP; + if (zfcp_adapter_multi_buffer_active(adapter)) { + if (zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sg_req)) + return -EIO; + if (zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sg_resp)) + return -EIO; - zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req, - sg_req, sg_resp); + zfcp_qdio_set_data_div(qdio, &req->qdio_req, + zfcp_qdio_sbale_count(sg_req)); + zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); + zfcp_qdio_set_scount(qdio, &req->qdio_req); return 0; } /* use single, unchained SBAL if it can hold the request */ if (zfcp_qdio_sg_one_sbale(sg_req) && zfcp_qdio_sg_one_sbale(sg_resp)) { - zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req, + zfcp_fsf_setup_ct_els_unchained(qdio, &req->qdio_req, sg_req, sg_resp); return 0; } - bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req, sg_req); - if (bytes <= 0) + if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) + return -EOPNOTSUPP; + + if (zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sg_req)) return -EIO; - zfcp_qdio_set_sbale_last(adapter->qdio, &req->qdio_req); - req->qtcb->bottom.support.req_buf_length = bytes; - zfcp_qdio_skip_to_last_sbale(&req->qdio_req); - bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req, - sg_resp); - req->qtcb->bottom.support.resp_buf_length = bytes; - if (bytes <= 0) + qtcb->bottom.support.req_buf_length = zfcp_qdio_real_bytes(sg_req); + + zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); + zfcp_qdio_skip_to_last_sbale(qdio, &req->qdio_req); + + if (zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sg_resp)) return -EIO; - zfcp_qdio_set_sbale_last(adapter->qdio, &req->qdio_req); + + qtcb->bottom.support.resp_buf_length = zfcp_qdio_real_bytes(sg_resp); + + zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); return 0; } @@ -1119,7 +1127,8 @@ int zfcp_fsf_send_els(struct zfcp_adapter *adapter, u32 d_id, req->status |= ZFCP_STATUS_FSFREQ_CLEANUP; - zfcp_qdio_sbal_limit(qdio, &req->qdio_req, 2); + if (!zfcp_adapter_multi_buffer_active(adapter)) + zfcp_qdio_sbal_limit(qdio, &req->qdio_req, 2); ret = zfcp_fsf_setup_ct_els(req, els->req, els->resp, timeout); @@ -2162,7 +2171,7 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) struct zfcp_fsf_req *req; struct fcp_cmnd *fcp_cmnd; u8 sbtype = SBAL_SFLAGS0_TYPE_READ; - int real_bytes, retval = -EIO, dix_bytes = 0; + int retval = -EIO; struct scsi_device *sdev = scsi_cmnd->device; struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); struct zfcp_adapter *adapter = zfcp_sdev->port->adapter; @@ -2207,7 +2216,8 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) io->ref_tag_value = scsi_get_lba(scsi_cmnd) & 0xFFFFFFFF; } - zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction); + if (zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction)) + goto failed_scsi_cmnd; fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd; zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0); @@ -2215,18 +2225,22 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd) if (scsi_prot_sg_count(scsi_cmnd)) { zfcp_qdio_set_data_div(qdio, &req->qdio_req, scsi_prot_sg_count(scsi_cmnd)); - dix_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, + retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, + scsi_prot_sglist(scsi_cmnd)); + if (retval) + goto failed_scsi_cmnd; + io->prot_data_length = zfcp_qdio_real_bytes( scsi_prot_sglist(scsi_cmnd)); - io->prot_data_length = dix_bytes; } - real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, - scsi_sglist(scsi_cmnd)); - - if (unlikely(real_bytes < 0) || unlikely(dix_bytes < 0)) + retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, + scsi_sglist(scsi_cmnd)); + if (unlikely(retval)) goto failed_scsi_cmnd; zfcp_qdio_set_sbale_last(adapter->qdio, &req->qdio_req); + if (zfcp_adapter_multi_buffer_active(adapter)) + zfcp_qdio_set_scount(qdio, &req->qdio_req); retval = zfcp_fsf_req_send(req); if (unlikely(retval)) @@ -2328,7 +2342,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, struct zfcp_qdio *qdio = adapter->qdio; struct zfcp_fsf_req *req = NULL; struct fsf_qtcb_bottom_support *bottom; - int retval = -EIO, bytes; + int retval = -EIO; u8 direction; if (!(adapter->adapter_features & FSF_FEATURE_CFDC)) @@ -2361,13 +2375,17 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, bottom->operation_subtype = FSF_CFDC_OPERATION_SUBTYPE; bottom->option = fsf_cfdc->option; - bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, fsf_cfdc->sg); + retval = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, fsf_cfdc->sg); - if (bytes != ZFCP_CFDC_MAX_SIZE) { + if (retval || + (zfcp_qdio_real_bytes(fsf_cfdc->sg) != ZFCP_CFDC_MAX_SIZE)) { zfcp_fsf_req_free(req); + retval = -EIO; goto out; } - zfcp_qdio_set_sbale_last(adapter->qdio, &req->qdio_req); + zfcp_qdio_set_sbale_last(qdio, &req->qdio_req); + if (zfcp_adapter_multi_buffer_active(adapter)) + zfcp_qdio_set_scount(qdio, &req->qdio_req); zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); retval = zfcp_fsf_req_send(req); diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index d9c40ea..df9e69f 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -15,6 +15,10 @@ #define QBUFF_PER_PAGE (PAGE_SIZE / sizeof(struct qdio_buffer)) +static bool enable_multibuffer; +module_param_named(datarouter, enable_multibuffer, bool, 0400); +MODULE_PARM_DESC(datarouter, "Enable hardware data router support"); + static int zfcp_qdio_buffers_enqueue(struct qdio_buffer **sbal) { int pos; @@ -37,8 +41,11 @@ static void zfcp_qdio_handler_error(struct zfcp_qdio *qdio, char *id, dev_warn(&adapter->ccw_device->dev, "A QDIO problem occurred\n"); - if (qdio_err & QDIO_ERROR_SLSB_STATE) + if (qdio_err & QDIO_ERROR_SLSB_STATE) { zfcp_qdio_siosl(adapter); + zfcp_erp_adapter_shutdown(adapter, 0, id); + return; + } zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED | ZFCP_STATUS_COMMON_ERP_FAILED, id); @@ -93,9 +100,27 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err, unsigned long parm) { struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm; - int sbal_idx, sbal_no; + struct zfcp_adapter *adapter = qdio->adapter; + struct qdio_buffer_element *sbale; + int sbal_no, sbal_idx; + void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1]; + u64 req_id; + u8 scount; if (unlikely(qdio_err)) { + memset(pl, 0, ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *)); + if (zfcp_adapter_multi_buffer_active(adapter)) { + sbale = qdio->res_q[idx]->element; + req_id = (u64) sbale->addr; + scount = sbale->scount + 1; /* incl. signaling SBAL */ + + for (sbal_no = 0; sbal_no < scount; sbal_no++) { + sbal_idx = (idx + sbal_no) % + QDIO_MAX_BUFFERS_PER_Q; + pl[sbal_no] = qdio->res_q[sbal_idx]; + } + zfcp_dbf_hba_def_err(adapter, req_id, scount, pl); + } zfcp_qdio_handler_error(qdio, "qdires1", qdio_err); return; } @@ -155,7 +180,7 @@ zfcp_qdio_sbal_chain(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req) static struct qdio_buffer_element * zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req) { - if (q_req->sbale_curr == ZFCP_QDIO_LAST_SBALE_PER_SBAL) + if (q_req->sbale_curr == qdio->max_sbale_per_sbal - 1) return zfcp_qdio_sbal_chain(qdio, q_req); q_req->sbale_curr++; return zfcp_qdio_sbale_curr(qdio, q_req); @@ -167,13 +192,12 @@ zfcp_qdio_sbale_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req) * @q_req: pointer to struct zfcp_qdio_req * @sg: scatter-gather list * @max_sbals: upper bound for number of SBALs to be used - * Returns: number of bytes, or error (negativ) + * Returns: zero or -EINVAL on error */ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, struct scatterlist *sg) { struct qdio_buffer_element *sbale; - int bytes = 0; /* set storage-block type for this request */ sbale = zfcp_qdio_sbale_req(qdio, q_req); @@ -187,14 +211,10 @@ int zfcp_qdio_sbals_from_sg(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, q_req->sbal_number); return -EINVAL; } - sbale->addr = sg_virt(sg); sbale->length = sg->length; - - bytes += sg->length; } - - return bytes; + return 0; } static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio) @@ -283,6 +303,8 @@ static void zfcp_qdio_setup_init_data(struct qdio_initialize *id, memcpy(id->adapter_name, dev_name(&id->cdev->dev), 8); ASCEBC(id->adapter_name, 8); id->qib_rflags = QIB_RFLAGS_ENABLE_DATA_DIV; + if (enable_multibuffer) + id->qdr_ac |= QDR_AC_MULTI_BUFFER_ENABLE; id->no_input_qs = 1; id->no_output_qs = 1; id->input_handler = zfcp_qdio_int_resp; @@ -378,6 +400,17 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) atomic_set_mask(ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED, &qdio->adapter->status); + if (ssqd.qdioac2 & CHSC_AC2_MULTI_BUFFER_ENABLED) { + atomic_set_mask(ZFCP_STATUS_ADAPTER_MB_ACT, &adapter->status); + qdio->max_sbale_per_sbal = QDIO_MAX_ELEMENTS_PER_BUFFER; + } else { + atomic_clear_mask(ZFCP_STATUS_ADAPTER_MB_ACT, &adapter->status); + qdio->max_sbale_per_sbal = QDIO_MAX_ELEMENTS_PER_BUFFER - 1; + } + + qdio->max_sbale_per_req = + ZFCP_QDIO_MAX_SBALS_PER_REQ * qdio->max_sbale_per_sbal + - 2; if (qdio_activate(cdev)) goto failed_qdio; @@ -397,6 +430,11 @@ int zfcp_qdio_open(struct zfcp_qdio *qdio) atomic_set(&qdio->req_q_free, QDIO_MAX_BUFFERS_PER_Q); atomic_set_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status); + if (adapter->scsi_host) { + adapter->scsi_host->sg_tablesize = qdio->max_sbale_per_req; + adapter->scsi_host->max_sectors = qdio->max_sbale_per_req * 8; + } + return 0; failed_qdio: diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h index 54e22ac..8ac7f53 100644 --- a/drivers/s390/scsi/zfcp_qdio.h +++ b/drivers/s390/scsi/zfcp_qdio.h @@ -13,20 +13,9 @@ #define ZFCP_QDIO_SBALE_LEN PAGE_SIZE -/* DMQ bug workaround: don't use last SBALE */ -#define ZFCP_QDIO_MAX_SBALES_PER_SBAL (QDIO_MAX_ELEMENTS_PER_BUFFER - 1) - -/* index of last SBALE (with respect to DMQ bug workaround) */ -#define ZFCP_QDIO_LAST_SBALE_PER_SBAL (ZFCP_QDIO_MAX_SBALES_PER_SBAL - 1) - /* Max SBALS for chaining */ #define ZFCP_QDIO_MAX_SBALS_PER_REQ 36 -/* max. number of (data buffer) SBALEs in largest SBAL chain - * request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */ -#define ZFCP_QDIO_MAX_SBALES_PER_REQ \ - (ZFCP_QDIO_MAX_SBALS_PER_REQ * ZFCP_QDIO_MAX_SBALES_PER_SBAL - 2) - /** * struct zfcp_qdio - basic qdio data structure * @res_q: response queue @@ -53,6 +42,8 @@ struct zfcp_qdio { atomic_t req_q_full; wait_queue_head_t req_q_wq; struct zfcp_adapter *adapter; + u16 max_sbale_per_sbal; + u16 max_sbale_per_req; }; /** @@ -155,7 +146,7 @@ void zfcp_qdio_fill_next(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req, { struct qdio_buffer_element *sbale; - BUG_ON(q_req->sbale_curr == ZFCP_QDIO_LAST_SBALE_PER_SBAL); + BUG_ON(q_req->sbale_curr == qdio->max_sbale_per_sbal - 1); q_req->sbale_curr++; sbale = zfcp_qdio_sbale_curr(qdio, q_req); sbale->addr = data; @@ -195,9 +186,10 @@ int zfcp_qdio_sg_one_sbale(struct scatterlist *sg) * @q_req: The current zfcp_qdio_req */ static inline -void zfcp_qdio_skip_to_last_sbale(struct zfcp_qdio_req *q_req) +void zfcp_qdio_skip_to_last_sbale(struct zfcp_qdio *qdio, + struct zfcp_qdio_req *q_req) { - q_req->sbale_curr = ZFCP_QDIO_LAST_SBALE_PER_SBAL; + q_req->sbale_curr = qdio->max_sbale_per_sbal - 1; } /** @@ -228,8 +220,52 @@ void zfcp_qdio_set_data_div(struct zfcp_qdio *qdio, { struct qdio_buffer_element *sbale; - sbale = &qdio->req_q[q_req->sbal_first]->element[0]; + sbale = qdio->req_q[q_req->sbal_first]->element; sbale->length = count; } +/** + * zfcp_qdio_sbale_count - count sbale used + * @sg: pointer to struct scatterlist + */ +static inline +unsigned int zfcp_qdio_sbale_count(struct scatterlist *sg) +{ + unsigned int count = 0; + + for (; sg; sg = sg_next(sg)) + count++; + + return count; +} + +/** + * zfcp_qdio_real_bytes - count bytes used + * @sg: pointer to struct scatterlist + */ +static inline +unsigned int zfcp_qdio_real_bytes(struct scatterlist *sg) +{ + unsigned int real_bytes = 0; + + for (; sg; sg = sg_next(sg)) + real_bytes += sg->length; + + return real_bytes; +} + +/** + * zfcp_qdio_set_scount - set SBAL count value + * @qdio: pointer to struct zfcp_qdio + * @q_req: The current zfcp_qdio_req + */ +static inline +void zfcp_qdio_set_scount(struct zfcp_qdio *qdio, struct zfcp_qdio_req *q_req) +{ + struct qdio_buffer_element *sbale; + + sbale = qdio->req_q[q_req->sbal_first]->element; + sbale->scount = q_req->sbal_number - 1; +} + #endif /* ZFCP_QDIO_H */ diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 7cac873..09126a9 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -24,11 +24,8 @@ module_param_named(queue_depth, default_depth, uint, 0600); MODULE_PARM_DESC(queue_depth, "Default queue depth for new SCSI devices"); static bool enable_dif; - -#ifdef CONFIG_ZFCP_DIF -module_param_named(dif, enable_dif, bool, 0600); +module_param_named(dif, enable_dif, bool, 0400); MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support"); -#endif static bool allow_lun_scan = 1; module_param(allow_lun_scan, bool, 0600); @@ -309,8 +306,8 @@ static struct scsi_host_template zfcp_scsi_host_template = { .proc_name = "zfcp", .can_queue = 4096, .this_id = -1, - .sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ, - .max_sectors = (ZFCP_QDIO_MAX_SBALES_PER_REQ * 8), + .sg_tablesize = 1, /* adjusted later */ + .max_sectors = 8, /* adjusted later */ .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1, .cmd_per_lun = 1, .use_clustering = 1, @@ -668,9 +665,9 @@ void zfcp_scsi_set_prot(struct zfcp_adapter *adapter) adapter->adapter_features & FSF_FEATURE_DIX_PROT_TCPIP) { mask |= SHOST_DIX_TYPE1_PROTECTION; scsi_host_set_guard(shost, SHOST_DIX_GUARD_IP); - shost->sg_prot_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2; - shost->sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ / 2; - shost->max_sectors = ZFCP_QDIO_MAX_SBALES_PER_REQ * 8 / 2; + shost->sg_prot_tablesize = adapter->qdio->max_sbale_per_req / 2; + shost->sg_tablesize = adapter->qdio->max_sbale_per_req / 2; + shost->max_sectors = shost->sg_tablesize * 8; } scsi_host_set_prot(shost, mask); diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 8d9dae8..c17aec0 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -309,6 +309,7 @@ config SCSI_FC_TGT_ATTRS config SCSI_ISCSI_ATTRS tristate "iSCSI Transport Attributes" depends on SCSI && NET + select BLK_DEV_BSGLIB help If you wish to export transport-specific information about each attached iSCSI device to sysfs, say Y. @@ -559,6 +560,15 @@ source "drivers/scsi/aic7xxx/Kconfig.aic79xx" source "drivers/scsi/aic94xx/Kconfig" source "drivers/scsi/mvsas/Kconfig" +config SCSI_MVUMI + tristate "Marvell UMI driver" + depends on SCSI && PCI + help + Module for Marvell Universal Message Interface(UMI) driver + + To compile this driver as a module, choose M here: the + module will be called mvumi. + config SCSI_DPT_I2O tristate "Adaptec I2O RAID support " depends on SCSI && PCI && VIRT_TO_BUS @@ -1871,10 +1881,6 @@ config ZFCP called zfcp. If you want to compile it as a module, say M here and read . -config ZFCP_DIF - tristate "T10 DIF/DIX support for the zfcp driver (EXPERIMENTAL)" - depends on ZFCP && EXPERIMENTAL - config SCSI_PMCRAID tristate "PMC SIERRA Linux MaxRAID adapter support" depends on PCI && SCSI && NET diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 3c08f53..2b46997 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -134,6 +134,7 @@ obj-$(CONFIG_SCSI_IBMVFC) += ibmvscsi/ obj-$(CONFIG_SCSI_HPTIOP) += hptiop.o obj-$(CONFIG_SCSI_STEX) += stex.o obj-$(CONFIG_SCSI_MVSAS) += mvsas/ +obj-$(CONFIG_SCSI_MVUMI) += mvumi.o obj-$(CONFIG_PS3_ROM) += ps3rom.o obj-$(CONFIG_SCSI_CXGB3_ISCSI) += libiscsi.o libiscsi_tcp.o cxgbi/ obj-$(CONFIG_SCSI_CXGB4_ISCSI) += libiscsi.o libiscsi_tcp.o cxgbi/ diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 3cad106..8b002f6 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -177,9 +177,8 @@ int beiscsi_conn_bind(struct iscsi_cls_session *cls_session, { struct iscsi_conn *conn = cls_conn->dd_data; struct beiscsi_conn *beiscsi_conn = conn->dd_data; - struct Scsi_Host *shost = - (struct Scsi_Host *)iscsi_session_to_shost(cls_session); - struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost); + struct Scsi_Host *shost = iscsi_session_to_shost(cls_session); + struct beiscsi_hba *phba = iscsi_host_priv(shost); struct beiscsi_endpoint *beiscsi_ep; struct iscsi_endpoint *ep; @@ -290,7 +289,7 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn, int beiscsi_get_host_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf) { - struct beiscsi_hba *phba = (struct beiscsi_hba *)iscsi_host_priv(shost); + struct beiscsi_hba *phba = iscsi_host_priv(shost); int status = 0; SE_DEBUG(DBG_LVL_8, "In beiscsi_get_host_param, param= %d\n", param); @@ -733,3 +732,56 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep) beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid); iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep); } + +mode_t be2iscsi_attr_is_visible(int param_type, int param) +{ + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_IPADDRESS: + case ISCSI_HOST_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_HDRDGST_EN: + case ISCSI_PARAM_DATADGST_EN: + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_EXP_STATSN: + case ISCSI_PARAM_PERSISTENT_ADDRESS: + case ISCSI_PARAM_PERSISTENT_PORT: + case ISCSI_PARAM_PING_TMO: + case ISCSI_PARAM_RECV_TMO: + case ISCSI_PARAM_INITIAL_R2T_EN: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_IMM_DATA_EN: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_PDU_INORDER_EN: + case ISCSI_PARAM_DATASEQ_INORDER_EN: + case ISCSI_PARAM_ERL: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: + case ISCSI_PARAM_FAST_ABORT: + case ISCSI_PARAM_ABORT_TMO: + case ISCSI_PARAM_LU_RESET_TMO: + case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + } + + return 0; +} diff --git a/drivers/scsi/be2iscsi/be_iscsi.h b/drivers/scsi/be2iscsi/be_iscsi.h index ff60b7f..4a1f2e3 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.h +++ b/drivers/scsi/be2iscsi/be_iscsi.h @@ -26,6 +26,8 @@ #define BE2_IPV4 0x1 #define BE2_IPV6 0x10 +mode_t be2iscsi_attr_is_visible(int param_type, int param); + void beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn, struct beiscsi_offload_params *params); diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 0a9bdfa..57fea38 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -822,33 +822,47 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba) struct hwi_controller *phwi_ctrlr; struct hwi_context_memory *phwi_context; int ret, msix_vec, i, j; - char desc[32]; phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; if (phba->msix_enabled) { for (i = 0; i < phba->num_cpus; i++) { - sprintf(desc, "beiscsi_msix_%04x", i); + phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME, + GFP_KERNEL); + if (!phba->msi_name[i]) { + ret = -ENOMEM; + goto free_msix_irqs; + } + + sprintf(phba->msi_name[i], "beiscsi_%02x_%02x", + phba->shost->host_no, i); msix_vec = phba->msix_entries[i].vector; - ret = request_irq(msix_vec, be_isr_msix, 0, desc, + ret = request_irq(msix_vec, be_isr_msix, 0, + phba->msi_name[i], &phwi_context->be_eq[i]); if (ret) { shost_printk(KERN_ERR, phba->shost, "beiscsi_init_irqs-Failed to" "register msix for i = %d\n", i); - if (!i) - return ret; + kfree(phba->msi_name[i]); goto free_msix_irqs; } } + phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME, GFP_KERNEL); + if (!phba->msi_name[i]) { + ret = -ENOMEM; + goto free_msix_irqs; + } + sprintf(phba->msi_name[i], "beiscsi_mcc_%02x", + phba->shost->host_no); msix_vec = phba->msix_entries[i].vector; - ret = request_irq(msix_vec, be_isr_mcc, 0, "beiscsi_msix_mcc", + ret = request_irq(msix_vec, be_isr_mcc, 0, phba->msi_name[i], &phwi_context->be_eq[i]); if (ret) { shost_printk(KERN_ERR, phba->shost, "beiscsi_init_irqs-" "Failed to register beiscsi_msix_mcc\n"); - i++; + kfree(phba->msi_name[i]); goto free_msix_irqs; } @@ -863,8 +877,11 @@ static int beiscsi_init_irqs(struct beiscsi_hba *phba) } return 0; free_msix_irqs: - for (j = i - 1; j == 0; j++) + for (j = i - 1; j >= 0; j--) { + kfree(phba->msi_name[j]); + msix_vec = phba->msix_entries[j].vector; free_irq(msix_vec, &phwi_context->be_eq[j]); + } return ret; } @@ -4102,9 +4119,8 @@ static int beiscsi_task_xmit(struct iscsi_task *task) return beiscsi_iotask(task, sg, num_sg, xferlen, writedir); } -static void beiscsi_remove(struct pci_dev *pcidev) +static void beiscsi_quiesce(struct beiscsi_hba *phba) { - struct beiscsi_hba *phba = NULL; struct hwi_controller *phwi_ctrlr; struct hwi_context_memory *phwi_context; struct be_eq_obj *pbe_eq; @@ -4112,12 +4128,6 @@ static void beiscsi_remove(struct pci_dev *pcidev) u8 *real_offset = 0; u32 value = 0; - phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev); - if (!phba) { - dev_err(&pcidev->dev, "beiscsi_remove called with no phba\n"); - return; - } - phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; hwi_disable_intr(phba); @@ -4125,6 +4135,7 @@ static void beiscsi_remove(struct pci_dev *pcidev) for (i = 0; i <= phba->num_cpus; i++) { msix_vec = phba->msix_entries[i].vector; free_irq(msix_vec, &phwi_context->be_eq[i]); + kfree(phba->msi_name[i]); } } else if (phba->pcidev->irq) @@ -4152,10 +4163,40 @@ static void beiscsi_remove(struct pci_dev *pcidev) phba->ctrl.mbox_mem_alloced.size, phba->ctrl.mbox_mem_alloced.va, phba->ctrl.mbox_mem_alloced.dma); +} + +static void beiscsi_remove(struct pci_dev *pcidev) +{ + + struct beiscsi_hba *phba = NULL; + + phba = pci_get_drvdata(pcidev); + if (!phba) { + dev_err(&pcidev->dev, "beiscsi_remove called with no phba\n"); + return; + } + + beiscsi_quiesce(phba); iscsi_boot_destroy_kset(phba->boot_kset); iscsi_host_remove(phba->shost); pci_dev_put(phba->pcidev); iscsi_host_free(phba->shost); + pci_disable_device(pcidev); +} + +static void beiscsi_shutdown(struct pci_dev *pcidev) +{ + + struct beiscsi_hba *phba = NULL; + + phba = (struct beiscsi_hba *)pci_get_drvdata(pcidev); + if (!phba) { + dev_err(&pcidev->dev, "beiscsi_shutdown called with no phba\n"); + return; + } + + beiscsi_quiesce(phba); + pci_disable_device(pcidev); } static void beiscsi_msix_enable(struct beiscsi_hba *phba) @@ -4364,37 +4405,12 @@ struct iscsi_transport beiscsi_iscsi_transport = { .name = DRV_NAME, .caps = CAP_RECOVERY_L0 | CAP_HDRDGST | CAP_TEXT_NEGO | CAP_MULTI_R2T | CAP_DATADGST | CAP_DATA_PATH_OFFLOAD, - .param_mask = ISCSI_MAX_RECV_DLENGTH | - ISCSI_MAX_XMIT_DLENGTH | - ISCSI_HDRDGST_EN | - ISCSI_DATADGST_EN | - ISCSI_INITIAL_R2T_EN | - ISCSI_MAX_R2T | - ISCSI_IMM_DATA_EN | - ISCSI_FIRST_BURST | - ISCSI_MAX_BURST | - ISCSI_PDU_INORDER_EN | - ISCSI_DATASEQ_INORDER_EN | - ISCSI_ERL | - ISCSI_CONN_PORT | - ISCSI_CONN_ADDRESS | - ISCSI_EXP_STATSN | - ISCSI_PERSISTENT_PORT | - ISCSI_PERSISTENT_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | - ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | - ISCSI_PING_TMO | ISCSI_RECV_TMO | - ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, - .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | - ISCSI_HOST_INITIATOR_NAME, .create_session = beiscsi_session_create, .destroy_session = beiscsi_session_destroy, .create_conn = beiscsi_conn_create, .bind_conn = beiscsi_conn_bind, .destroy_conn = iscsi_conn_teardown, + .attr_is_visible = be2iscsi_attr_is_visible, .set_param = beiscsi_set_param, .get_conn_param = iscsi_conn_get_param, .get_session_param = iscsi_session_get_param, @@ -4418,6 +4434,7 @@ static struct pci_driver beiscsi_pci_driver = { .name = DRV_NAME, .probe = beiscsi_dev_probe, .remove = beiscsi_remove, + .shutdown = beiscsi_shutdown, .id_table = beiscsi_pci_id_table }; diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 5ce5170..be0e0bd 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -162,6 +162,8 @@ do { \ #define PAGES_REQUIRED(x) \ ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE)) +#define BEISCSI_MSI_NAME 20 /* size of msi_name string */ + enum be_mem_enum { HWI_MEM_ADDN_CONTEXT, HWI_MEM_WRB, @@ -287,6 +289,7 @@ struct beiscsi_hba { unsigned int num_cpus; unsigned int nxt_cqid; struct msix_entry msix_entries[MAX_CPUS + 1]; + char *msi_name[MAX_CPUS + 1]; bool msix_enabled; struct be_mem_descriptor *init_mem; diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index 42228ca..903e8f6 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -62,7 +62,7 @@ #include "bnx2fc_constants.h" #define BNX2FC_NAME "bnx2fc" -#define BNX2FC_VERSION "1.0.4" +#define BNX2FC_VERSION "1.0.5" #define PFX "bnx2fc: " diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 7cb2cd4..24e7071 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -22,7 +22,7 @@ DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu); #define DRV_MODULE_NAME "bnx2fc" #define DRV_MODULE_VERSION BNX2FC_VERSION -#define DRV_MODULE_RELDATE "Jun 23, 2011" +#define DRV_MODULE_RELDATE "Aug 03, 2011" static char version[] __devinitdata = @@ -56,6 +56,7 @@ static struct scsi_host_template bnx2fc_shost_template; static struct fc_function_template bnx2fc_transport_function; static struct fc_function_template bnx2fc_vport_xport_function; static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode); +static void __bnx2fc_destroy(struct bnx2fc_interface *interface); static int bnx2fc_destroy(struct net_device *net_device); static int bnx2fc_enable(struct net_device *netdev); static int bnx2fc_disable(struct net_device *netdev); @@ -64,7 +65,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb); static void bnx2fc_start_disc(struct bnx2fc_interface *interface); static int bnx2fc_shost_config(struct fc_lport *lport, struct device *dev); -static int bnx2fc_net_config(struct fc_lport *lp); static int bnx2fc_lport_config(struct fc_lport *lport); static int bnx2fc_em_config(struct fc_lport *lport); static int bnx2fc_bind_adapter_devices(struct bnx2fc_hba *hba); @@ -78,6 +78,7 @@ static void bnx2fc_destroy_work(struct work_struct *work); static struct bnx2fc_hba *bnx2fc_hba_lookup(struct net_device *phys_dev); static struct bnx2fc_interface *bnx2fc_interface_lookup(struct net_device *phys_dev); +static inline void bnx2fc_interface_put(struct bnx2fc_interface *interface); static struct bnx2fc_hba *bnx2fc_find_hba_for_cnic(struct cnic_dev *cnic); static int bnx2fc_fw_init(struct bnx2fc_hba *hba); @@ -545,6 +546,14 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) break; } } + + if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) { + /* Drop incoming ABTS */ + put_cpu(); + kfree_skb(skb); + return; + } + if (le32_to_cpu(fr_crc(fp)) != ~crc32(~0, skb->data, fr_len)) { if (stats->InvalidCRCCount < 5) @@ -727,7 +736,7 @@ void bnx2fc_get_link_state(struct bnx2fc_hba *hba) clear_bit(ADAPTER_STATE_LINK_DOWN, &hba->adapter_state); } -static int bnx2fc_net_config(struct fc_lport *lport) +static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev) { struct bnx2fc_hba *hba; struct bnx2fc_interface *interface; @@ -753,11 +762,16 @@ static int bnx2fc_net_config(struct fc_lport *lport) bnx2fc_link_speed_update(lport); if (!lport->vport) { - wwnn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, 1, 0); + if (fcoe_get_wwn(netdev, &wwnn, NETDEV_FCOE_WWNN)) + wwnn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, + 1, 0); BNX2FC_HBA_DBG(lport, "WWNN = 0x%llx\n", wwnn); fc_set_wwnn(lport, wwnn); - wwpn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, 2, 0); + if (fcoe_get_wwn(netdev, &wwpn, NETDEV_FCOE_WWPN)) + wwpn = fcoe_wwn_from_mac(interface->ctlr.ctl_src_addr, + 2, 0); + BNX2FC_HBA_DBG(lport, "WWPN = 0x%llx\n", wwpn); fc_set_wwpn(lport, wwpn); } @@ -769,8 +783,8 @@ static void bnx2fc_destroy_timer(unsigned long data) { struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data; - BNX2FC_MISC_DBG("ERROR:bnx2fc_destroy_timer - " - "Destroy compl not received!!\n"); + printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - " + "Destroy compl not received!!\n"); set_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); wake_up_interruptible(&hba->destroy_wait); } @@ -783,7 +797,7 @@ static void bnx2fc_destroy_timer(unsigned long data) * @vlan_id: vlan id - associated vlan id with this event * * Handles NETDEV_UP, NETDEV_DOWN, NETDEV_GOING_DOWN,NETDEV_CHANGE and - * NETDEV_CHANGE_MTU events + * NETDEV_CHANGE_MTU events. Handle NETDEV_UNREGISTER only for vlans. */ static void bnx2fc_indicate_netevent(void *context, unsigned long event, u16 vlan_id) @@ -791,12 +805,11 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event, struct bnx2fc_hba *hba = (struct bnx2fc_hba *)context; struct fc_lport *lport; struct fc_lport *vport; - struct bnx2fc_interface *interface; + struct bnx2fc_interface *interface, *tmp; int wait_for_upload = 0; u32 link_possible = 1; - /* Ignore vlans for now */ - if (vlan_id != 0) + if (vlan_id != 0 && event != NETDEV_UNREGISTER) return; switch (event) { @@ -820,6 +833,18 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event, case NETDEV_CHANGE: break; + case NETDEV_UNREGISTER: + if (!vlan_id) + return; + mutex_lock(&bnx2fc_dev_lock); + list_for_each_entry_safe(interface, tmp, &if_list, list) { + if (interface->hba != hba) + continue; + __bnx2fc_destroy(interface); + } + mutex_unlock(&bnx2fc_dev_lock); + return; + default: printk(KERN_ERR PFX "Unkonwn netevent %ld", event); return; @@ -995,6 +1020,17 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) struct bnx2fc_interface *interface = port->priv; struct net_device *netdev = interface->netdev; struct fc_lport *vn_port; + int rc; + char buf[32]; + + rc = fcoe_validate_vport_create(vport); + if (rc) { + fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); + printk(KERN_ERR PFX "Failed to create vport, " + "WWPN (0x%s) already exists\n", + buf); + return rc; + } if (!test_bit(BNX2FC_FLAG_FW_INIT_DONE, &interface->hba->flags)) { printk(KERN_ERR PFX "vn ports cannot be created on" @@ -1022,16 +1058,46 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled) return 0; } +static void bnx2fc_free_vport(struct bnx2fc_hba *hba, struct fc_lport *lport) +{ + struct bnx2fc_lport *blport, *tmp; + + spin_lock_bh(&hba->hba_lock); + list_for_each_entry_safe(blport, tmp, &hba->vports, list) { + if (blport->lport == lport) { + list_del(&blport->list); + kfree(blport); + } + } + spin_unlock_bh(&hba->hba_lock); +} + static int bnx2fc_vport_destroy(struct fc_vport *vport) { struct Scsi_Host *shost = vport_to_shost(vport); struct fc_lport *n_port = shost_priv(shost); struct fc_lport *vn_port = vport->dd_data; struct fcoe_port *port = lport_priv(vn_port); + struct bnx2fc_interface *interface = port->priv; + struct fc_lport *v_port; + bool found = false; mutex_lock(&n_port->lp_mutex); + list_for_each_entry(v_port, &n_port->vports, list) + if (v_port->vport == vport) { + found = true; + break; + } + + if (!found) { + mutex_unlock(&n_port->lp_mutex); + return -ENOENT; + } list_del(&vn_port->list); mutex_unlock(&n_port->lp_mutex); + bnx2fc_free_vport(interface->hba, port->lport); + bnx2fc_port_shutdown(port->lport); + bnx2fc_interface_put(interface); queue_work(bnx2fc_wq, &port->destroy_work); return 0; } @@ -1052,7 +1118,7 @@ static int bnx2fc_vport_disable(struct fc_vport *vport, bool disable) } -static int bnx2fc_netdev_setup(struct bnx2fc_interface *interface) +static int bnx2fc_interface_setup(struct bnx2fc_interface *interface) { struct net_device *netdev = interface->netdev; struct net_device *physdev = interface->hba->phys_dev; @@ -1250,7 +1316,7 @@ struct bnx2fc_interface *bnx2fc_interface_create(struct bnx2fc_hba *hba, interface->ctlr.get_src_addr = bnx2fc_get_src_mac; set_bit(BNX2FC_CTLR_INIT_DONE, &interface->if_flags); - rc = bnx2fc_netdev_setup(interface); + rc = bnx2fc_interface_setup(interface); if (!rc) return interface; @@ -1316,7 +1382,7 @@ static struct fc_lport *bnx2fc_if_create(struct bnx2fc_interface *interface, fc_set_wwpn(lport, vport->port_name); } /* Configure netdev and networking properties of the lport */ - rc = bnx2fc_net_config(lport); + rc = bnx2fc_net_config(lport, interface->netdev); if (rc) { printk(KERN_ERR PFX "Error on bnx2fc_net_config\n"); goto lp_config_err; @@ -1370,18 +1436,11 @@ free_blport: return NULL; } -static void bnx2fc_netdev_cleanup(struct bnx2fc_interface *interface) -{ - /* Dont listen for Ethernet packets anymore */ - __dev_remove_pack(&interface->fcoe_packet_type); - __dev_remove_pack(&interface->fip_packet_type); - synchronize_net(); -} - -static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba) +static void bnx2fc_interface_cleanup(struct bnx2fc_interface *interface) { + struct fc_lport *lport = interface->ctlr.lp; struct fcoe_port *port = lport_priv(lport); - struct bnx2fc_lport *blport, *tmp; + struct bnx2fc_hba *hba = interface->hba; /* Stop the transmit retry timer */ del_timer_sync(&port->timer); @@ -1389,6 +1448,17 @@ static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba) /* Free existing transmit skbs */ fcoe_clean_pending_queue(lport); + /* Dont listen for Ethernet packets anymore */ + __dev_remove_pack(&interface->fcoe_packet_type); + __dev_remove_pack(&interface->fip_packet_type); + synchronize_net(); + + bnx2fc_free_vport(hba, lport); +} + +static void bnx2fc_if_destroy(struct fc_lport *lport) +{ + /* Free queued packets for the receive thread */ bnx2fc_clean_rx_queue(lport); @@ -1405,19 +1475,22 @@ static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba) /* Free memory used by statistical counters */ fc_lport_free_stats(lport); - spin_lock_bh(&hba->hba_lock); - list_for_each_entry_safe(blport, tmp, &hba->vports, list) { - if (blport->lport == lport) { - list_del(&blport->list); - kfree(blport); - } - } - spin_unlock_bh(&hba->hba_lock); - /* Release Scsi_Host */ scsi_host_put(lport->host); } +static void __bnx2fc_destroy(struct bnx2fc_interface *interface) +{ + struct fc_lport *lport = interface->ctlr.lp; + + bnx2fc_interface_cleanup(interface); + bnx2fc_stop(interface); + list_del(&interface->list); + lport = interface->ctlr.lp; + bnx2fc_interface_put(interface); + bnx2fc_if_destroy(lport); +} + /** * bnx2fc_destroy - Destroy a bnx2fc FCoE interface * @@ -1431,8 +1504,6 @@ static void bnx2fc_if_destroy(struct fc_lport *lport, struct bnx2fc_hba *hba) static int bnx2fc_destroy(struct net_device *netdev) { struct bnx2fc_interface *interface = NULL; - struct bnx2fc_hba *hba; - struct fc_lport *lport; int rc = 0; rtnl_lock(); @@ -1445,15 +1516,9 @@ static int bnx2fc_destroy(struct net_device *netdev) goto netdev_err; } - hba = interface->hba; - bnx2fc_netdev_cleanup(interface); - lport = interface->ctlr.lp; - bnx2fc_stop(interface); - list_del(&interface->list); destroy_workqueue(interface->timer_work_queue); - bnx2fc_interface_put(interface); - bnx2fc_if_destroy(lport, hba); + __bnx2fc_destroy(interface); netdev_err: mutex_unlock(&bnx2fc_dev_lock); @@ -1465,20 +1530,15 @@ static void bnx2fc_destroy_work(struct work_struct *work) { struct fcoe_port *port; struct fc_lport *lport; - struct bnx2fc_interface *interface; - struct bnx2fc_hba *hba; port = container_of(work, struct fcoe_port, destroy_work); lport = port->lport; - interface = port->priv; - hba = interface->hba; BNX2FC_HBA_DBG(lport, "Entered bnx2fc_destroy_work\n"); - bnx2fc_port_shutdown(lport); rtnl_lock(); mutex_lock(&bnx2fc_dev_lock); - bnx2fc_if_destroy(lport, hba); + bnx2fc_if_destroy(lport); mutex_unlock(&bnx2fc_dev_lock); rtnl_unlock(); } @@ -1659,6 +1719,7 @@ static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba) wait_event_interruptible(hba->destroy_wait, test_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags)); + clear_bit(BNX2FC_FLAG_DESTROY_CMPL, &hba->flags); /* This should never happen */ if (signal_pending(current)) flush_signals(current); @@ -1735,6 +1796,11 @@ static void bnx2fc_start_disc(struct bnx2fc_interface *interface) if (++wait_cnt > 12) break; } + + /* Reset max receive frame size to default */ + if (fc_set_mfs(lport, BNX2FC_MFS)) + return; + fc_lport_init(lport); fc_fabric_login(lport); } @@ -1921,7 +1987,7 @@ static int bnx2fc_create(struct net_device *netdev, enum fip_state fip_mode) if (!lport) { printk(KERN_ERR PFX "Failed to create interface (%s)\n", netdev->name); - bnx2fc_netdev_cleanup(interface); + bnx2fc_interface_cleanup(interface); rc = -EINVAL; goto if_create_err; } @@ -2015,7 +2081,6 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev) { struct bnx2fc_hba *hba; struct bnx2fc_interface *interface, *tmp; - struct fc_lport *lport; BNX2FC_MISC_DBG("Entered bnx2fc_ulp_exit\n"); @@ -2037,18 +2102,10 @@ static void bnx2fc_ulp_exit(struct cnic_dev *dev) list_del_init(&hba->list); adapter_count--; - list_for_each_entry_safe(interface, tmp, &if_list, list) { + list_for_each_entry_safe(interface, tmp, &if_list, list) /* destroy not called yet, move to quiesced list */ - if (interface->hba == hba) { - bnx2fc_netdev_cleanup(interface); - bnx2fc_stop(interface); - - list_del(&interface->list); - lport = interface->ctlr.lp; - bnx2fc_interface_put(interface); - bnx2fc_if_destroy(lport, hba); - } - } + if (interface->hba == hba) + __bnx2fc_destroy(interface); mutex_unlock(&bnx2fc_dev_lock); bnx2fc_ulp_stop(hba); @@ -2117,7 +2174,7 @@ static void bnx2fc_percpu_thread_create(unsigned int cpu) (void *)p, "bnx2fc_thread/%d", cpu); /* bind thread to the cpu */ - if (likely(!IS_ERR(p->iothread))) { + if (likely(!IS_ERR(thread))) { kthread_bind(thread, cpu); p->iothread = thread; wake_up_process(thread); @@ -2129,7 +2186,6 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu) struct bnx2fc_percpu_s *p; struct task_struct *thread; struct bnx2fc_work *work, *tmp; - LIST_HEAD(work_list); BNX2FC_MISC_DBG("destroying io thread for CPU %d\n", cpu); @@ -2141,7 +2197,7 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu) /* Free all work in the list */ - list_for_each_entry_safe(work, tmp, &work_list, list) { + list_for_each_entry_safe(work, tmp, &p->work_list, list) { list_del_init(&work->list); bnx2fc_process_cq_compl(work->tgt, work->wqe); kfree(work); @@ -2374,6 +2430,7 @@ static struct fc_function_template bnx2fc_transport_function = { .vport_create = bnx2fc_vport_create, .vport_delete = bnx2fc_vport_destroy, .vport_disable = bnx2fc_vport_disable, + .bsg_request = fc_lport_bsg_request, }; static struct fc_function_template bnx2fc_vport_xport_function = { @@ -2407,6 +2464,7 @@ static struct fc_function_template bnx2fc_vport_xport_function = { .get_fc_host_stats = fc_get_host_stats, .issue_fc_host_lip = bnx2fc_fcoe_reset, .terminate_rport_io = fc_rport_terminate_io, + .bsg_request = fc_lport_bsg_request, }; /** diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index 72cfb14..b241f3d 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -1009,6 +1009,7 @@ int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) u32 cq_cons; struct fcoe_cqe *cqe; u32 num_free_sqes = 0; + u32 num_cqes = 0; u16 wqe; /* @@ -1058,10 +1059,11 @@ unlock: wake_up_process(fps->iothread); else bnx2fc_process_cq_compl(tgt, wqe); + num_free_sqes++; } cqe++; tgt->cq_cons_idx++; - num_free_sqes++; + num_cqes++; if (tgt->cq_cons_idx == BNX2FC_CQ_WQES_MAX) { tgt->cq_cons_idx = 0; @@ -1070,8 +1072,10 @@ unlock: 1 - tgt->cq_curr_toggle_bit; } } - if (num_free_sqes) { - bnx2fc_arm_cq(tgt); + if (num_cqes) { + /* Arm CQ only if doorbell is mapped */ + if (tgt->ctx_base) + bnx2fc_arm_cq(tgt); atomic_add(num_free_sqes, &tgt->free_sqes); } spin_unlock_bh(&tgt->cq_lock); diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 6cc3789..120618d 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1251,7 +1251,6 @@ void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnp_req, seq_clnp_req->xid); goto free_cb_arg; } - kref_get(&orig_io_req->refcount); spin_unlock_bh(&tgt->tgt_lock); rc = bnx2fc_send_srr(orig_io_req, offset, r_ctl); @@ -1790,12 +1789,6 @@ int bnx2fc_queuecommand(struct Scsi_Host *host, tgt = (struct bnx2fc_rport *)&rp[1]; if (!test_bit(BNX2FC_FLAG_SESSION_READY, &tgt->flags)) { - if (test_bit(BNX2FC_FLAG_UPLD_REQ_COMPL, &tgt->flags)) { - sc_cmd->result = DID_NO_CONNECT << 16; - sc_cmd->scsi_done(sc_cmd); - return 0; - - } /* * Session is not offloaded yet. Let SCSI-ml retry * the command. diff --git a/drivers/scsi/bnx2fc/bnx2fc_tgt.c b/drivers/scsi/bnx2fc/bnx2fc_tgt.c index d5311b5..2138da9 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_tgt.c +++ b/drivers/scsi/bnx2fc/bnx2fc_tgt.c @@ -76,7 +76,7 @@ static void bnx2fc_offload_session(struct fcoe_port *port, if (rval) { printk(KERN_ERR PFX "Failed to allocate conn id for " "port_id (%6x)\n", rport->port_id); - goto ofld_err; + goto tgt_init_err; } /* Allocate session resources */ @@ -133,19 +133,20 @@ retry_ofld: printk(KERN_ERR PFX "map doorbell failed - no mem\n"); /* upload will take care of cleaning up sess resc */ lport->tt.rport_logoff(rdata); - } - /* Arm CQ */ - bnx2fc_arm_cq(tgt); + } else + /* Arm CQ */ + bnx2fc_arm_cq(tgt); return; ofld_err: /* couldn't offload the session. log off from this rport */ BNX2FC_TGT_DBG(tgt, "bnx2fc_offload_session - offload error\n"); - lport->tt.rport_logoff(rdata); /* Free session resources */ bnx2fc_free_session_resc(hba, tgt); +tgt_init_err: if (tgt->fcoe_conn_id != -1) bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id); + lport->tt.rport_logoff(rdata); } void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt) @@ -624,7 +625,6 @@ static void bnx2fc_free_conn_id(struct bnx2fc_hba *hba, u32 conn_id) /* called with hba mutex held */ spin_lock_bh(&hba->hba_lock); hba->tgt_ofld_list[conn_id] = NULL; - hba->next_conn_id = conn_id; spin_unlock_bh(&hba->hba_lock); } @@ -791,8 +791,6 @@ static int bnx2fc_alloc_session_resc(struct bnx2fc_hba *hba, return 0; mem_alloc_failure: - bnx2fc_free_session_resc(hba, tgt); - bnx2fc_free_conn_id(hba, tgt->fcoe_conn_id); return -ENOMEM; } @@ -807,14 +805,14 @@ mem_alloc_failure: static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba, struct bnx2fc_rport *tgt) { - BNX2FC_TGT_DBG(tgt, "Freeing up session resources\n"); + void __iomem *ctx_base_ptr; - if (tgt->ctx_base) { - iounmap(tgt->ctx_base); - tgt->ctx_base = NULL; - } + BNX2FC_TGT_DBG(tgt, "Freeing up session resources\n"); spin_lock_bh(&tgt->cq_lock); + ctx_base_ptr = tgt->ctx_base; + tgt->ctx_base = NULL; + /* Free LCQ */ if (tgt->lcq) { dma_free_coherent(&hba->pcidev->dev, tgt->lcq_mem_size, @@ -868,4 +866,7 @@ static void bnx2fc_free_session_resc(struct bnx2fc_hba *hba, tgt->sq = NULL; } spin_unlock_bh(&tgt->cq_lock); + + if (ctx_base_ptr) + iounmap(ctx_base_ptr); } diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index cffd4d7..d1e6971 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -2177,6 +2177,59 @@ static int bnx2i_nl_set_path(struct Scsi_Host *shost, struct iscsi_path *params) return 0; } +static mode_t bnx2i_attr_is_visible(int param_type, int param) +{ + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_NETDEV_NAME: + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_IPADDRESS: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_HDRDGST_EN: + case ISCSI_PARAM_DATADGST_EN: + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_EXP_STATSN: + case ISCSI_PARAM_PERSISTENT_ADDRESS: + case ISCSI_PARAM_PERSISTENT_PORT: + case ISCSI_PARAM_PING_TMO: + case ISCSI_PARAM_RECV_TMO: + case ISCSI_PARAM_INITIAL_R2T_EN: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_IMM_DATA_EN: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_PDU_INORDER_EN: + case ISCSI_PARAM_DATASEQ_INORDER_EN: + case ISCSI_PARAM_ERL: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: + case ISCSI_PARAM_FAST_ABORT: + case ISCSI_PARAM_ABORT_TMO: + case ISCSI_PARAM_LU_RESET_TMO: + case ISCSI_PARAM_TGT_RESET_TMO: + case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + } + + return 0; +} /* * 'Scsi_Host_Template' structure and 'iscsi_tranport' structure template @@ -2207,37 +2260,12 @@ struct iscsi_transport bnx2i_iscsi_transport = { CAP_MULTI_R2T | CAP_DATADGST | CAP_DATA_PATH_OFFLOAD | CAP_TEXT_NEGO, - .param_mask = ISCSI_MAX_RECV_DLENGTH | - ISCSI_MAX_XMIT_DLENGTH | - ISCSI_HDRDGST_EN | - ISCSI_DATADGST_EN | - ISCSI_INITIAL_R2T_EN | - ISCSI_MAX_R2T | - ISCSI_IMM_DATA_EN | - ISCSI_FIRST_BURST | - ISCSI_MAX_BURST | - ISCSI_PDU_INORDER_EN | - ISCSI_DATASEQ_INORDER_EN | - ISCSI_ERL | - ISCSI_CONN_PORT | - ISCSI_CONN_ADDRESS | - ISCSI_EXP_STATSN | - ISCSI_PERSISTENT_PORT | - ISCSI_PERSISTENT_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | - ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO | - ISCSI_PING_TMO | ISCSI_RECV_TMO | - ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, - .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | - ISCSI_HOST_NETDEV_NAME, .create_session = bnx2i_session_create, .destroy_session = bnx2i_session_destroy, .create_conn = bnx2i_conn_create, .bind_conn = bnx2i_conn_bind, .destroy_conn = bnx2i_conn_destroy, + .attr_is_visible = bnx2i_attr_is_visible, .set_param = iscsi_set_param, .get_conn_param = iscsi_conn_get_param, .get_session_param = iscsi_session_get_param, diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index bd22041..f76185b 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -106,25 +106,7 @@ static struct iscsi_transport cxgb3i_iscsi_transport = { .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST | CAP_DATADGST | CAP_DIGEST_OFFLOAD | CAP_PADDING_OFFLOAD | CAP_TEXT_NEGO, - .param_mask = ISCSI_MAX_RECV_DLENGTH | ISCSI_MAX_XMIT_DLENGTH | - ISCSI_HDRDGST_EN | ISCSI_DATADGST_EN | - ISCSI_INITIAL_R2T_EN | ISCSI_MAX_R2T | - ISCSI_IMM_DATA_EN | ISCSI_FIRST_BURST | - ISCSI_MAX_BURST | ISCSI_PDU_INORDER_EN | - ISCSI_DATASEQ_INORDER_EN | ISCSI_ERL | - ISCSI_CONN_PORT | ISCSI_CONN_ADDRESS | - ISCSI_EXP_STATSN | ISCSI_PERSISTENT_PORT | - ISCSI_PERSISTENT_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | - ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO | - ISCSI_PING_TMO | ISCSI_RECV_TMO | - ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, - .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | - ISCSI_HOST_INITIATOR_NAME | - ISCSI_HOST_NETDEV_NAME, + .attr_is_visible = cxgbi_attr_is_visible, .get_host_param = cxgbi_get_host_param, .set_host_param = cxgbi_set_host_param, /* session management */ diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index ae13c49..628a698 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -107,25 +107,7 @@ static struct iscsi_transport cxgb4i_iscsi_transport = { .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST | CAP_DATADGST | CAP_DIGEST_OFFLOAD | CAP_PADDING_OFFLOAD | CAP_TEXT_NEGO, - .param_mask = ISCSI_MAX_RECV_DLENGTH | ISCSI_MAX_XMIT_DLENGTH | - ISCSI_HDRDGST_EN | ISCSI_DATADGST_EN | - ISCSI_INITIAL_R2T_EN | ISCSI_MAX_R2T | - ISCSI_IMM_DATA_EN | ISCSI_FIRST_BURST | - ISCSI_MAX_BURST | ISCSI_PDU_INORDER_EN | - ISCSI_DATASEQ_INORDER_EN | ISCSI_ERL | - ISCSI_CONN_PORT | ISCSI_CONN_ADDRESS | - ISCSI_EXP_STATSN | ISCSI_PERSISTENT_PORT | - ISCSI_PERSISTENT_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | - ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO | - ISCSI_PING_TMO | ISCSI_RECV_TMO | - ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, - .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | - ISCSI_HOST_INITIATOR_NAME | - ISCSI_HOST_NETDEV_NAME, + .attr_is_visible = cxgbi_attr_is_visible, .get_host_param = cxgbi_get_host_param, .set_host_param = cxgbi_set_host_param, /* session management */ diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 77ac217..67ded44 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -2566,6 +2566,62 @@ void cxgbi_iscsi_cleanup(struct iscsi_transport *itp, } EXPORT_SYMBOL_GPL(cxgbi_iscsi_cleanup); +mode_t cxgbi_attr_is_visible(int param_type, int param) +{ + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_NETDEV_NAME: + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_IPADDRESS: + case ISCSI_HOST_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_HDRDGST_EN: + case ISCSI_PARAM_DATADGST_EN: + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_EXP_STATSN: + case ISCSI_PARAM_PERSISTENT_ADDRESS: + case ISCSI_PARAM_PERSISTENT_PORT: + case ISCSI_PARAM_PING_TMO: + case ISCSI_PARAM_RECV_TMO: + case ISCSI_PARAM_INITIAL_R2T_EN: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_IMM_DATA_EN: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_PDU_INORDER_EN: + case ISCSI_PARAM_DATASEQ_INORDER_EN: + case ISCSI_PARAM_ERL: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: + case ISCSI_PARAM_FAST_ABORT: + case ISCSI_PARAM_ABORT_TMO: + case ISCSI_PARAM_LU_RESET_TMO: + case ISCSI_PARAM_TGT_RESET_TMO: + case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(cxgbi_attr_is_visible); + static int __init libcxgbi_init_module(void) { sw_tag_idx_bits = (__ilog2_u32(ISCSI_ITT_MASK)) + 1; diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 9267844..5d453a0 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -709,6 +709,7 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *); void cxgbi_cleanup_task(struct iscsi_task *task); +mode_t cxgbi_attr_is_visible(int param_type, int param); void cxgbi_get_conn_stats(struct iscsi_cls_conn *, struct iscsi_stats *); int cxgbi_set_conn_param(struct iscsi_cls_conn *, enum iscsi_param, char *, int); diff --git a/drivers/scsi/device_handler/scsi_dh.c b/drivers/scsi/device_handler/scsi_dh.c index 0119b81..7c05fd9 100644 --- a/drivers/scsi/device_handler/scsi_dh.c +++ b/drivers/scsi/device_handler/scsi_dh.c @@ -60,6 +60,46 @@ static struct scsi_device_handler *get_device_handler_by_idx(int idx) } /* + * device_handler_match_function - Match a device handler to a device + * @sdev - SCSI device to be tested + * + * Tests @sdev against the match function of all registered device_handler. + * Returns the found device handler or NULL if not found. + */ +static struct scsi_device_handler * +device_handler_match_function(struct scsi_device *sdev) +{ + struct scsi_device_handler *tmp_dh, *found_dh = NULL; + + spin_lock(&list_lock); + list_for_each_entry(tmp_dh, &scsi_dh_list, list) { + if (tmp_dh->match && tmp_dh->match(sdev)) { + found_dh = tmp_dh; + break; + } + } + spin_unlock(&list_lock); + return found_dh; +} + +/* + * device_handler_match_devlist - Match a device handler to a device + * @sdev - SCSI device to be tested + * + * Tests @sdev against all device_handler registered in the devlist. + * Returns the found device handler or NULL if not found. + */ +static struct scsi_device_handler * +device_handler_match_devlist(struct scsi_device *sdev) +{ + int idx; + + idx = scsi_get_device_flags_keyed(sdev, sdev->vendor, sdev->model, + SCSI_DEVINFO_DH); + return get_device_handler_by_idx(idx); +} + +/* * device_handler_match - Attach a device handler to a device * @scsi_dh - The device handler to match against or NULL * @sdev - SCSI device to be tested against @scsi_dh @@ -72,12 +112,11 @@ static struct scsi_device_handler * device_handler_match(struct scsi_device_handler *scsi_dh, struct scsi_device *sdev) { - struct scsi_device_handler *found_dh = NULL; - int idx; + struct scsi_device_handler *found_dh; - idx = scsi_get_device_flags_keyed(sdev, sdev->vendor, sdev->model, - SCSI_DEVINFO_DH); - found_dh = get_device_handler_by_idx(idx); + found_dh = device_handler_match_function(sdev); + if (!found_dh) + found_dh = device_handler_match_devlist(sdev); if (scsi_dh && found_dh != scsi_dh) found_dh = NULL; @@ -151,6 +190,10 @@ store_dh_state(struct device *dev, struct device_attribute *attr, struct scsi_device_handler *scsi_dh; int err = -EINVAL; + if (sdev->sdev_state == SDEV_CANCEL || + sdev->sdev_state == SDEV_DEL) + return -ENODEV; + if (!sdev->scsi_dh_data) { /* * Attach to a device handler @@ -327,7 +370,7 @@ int scsi_register_device_handler(struct scsi_device_handler *scsi_dh) list_add(&scsi_dh->list, &scsi_dh_list); spin_unlock(&list_lock); - for (i = 0; scsi_dh->devlist[i].vendor; i++) { + for (i = 0; scsi_dh->devlist && scsi_dh->devlist[i].vendor; i++) { scsi_dev_info_list_add_keyed(0, scsi_dh->devlist[i].vendor, scsi_dh->devlist[i].model, @@ -360,7 +403,7 @@ int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh) bus_for_each_dev(&scsi_bus_type, NULL, scsi_dh, scsi_dh_notifier_remove); - for (i = 0; scsi_dh->devlist[i].vendor; i++) { + for (i = 0; scsi_dh->devlist && scsi_dh->devlist[i].vendor; i++) { scsi_dev_info_list_del_keyed(scsi_dh->devlist[i].vendor, scsi_dh->devlist[i].model, SCSI_DEVINFO_DH); @@ -468,7 +511,7 @@ int scsi_dh_handler_exist(const char *name) EXPORT_SYMBOL_GPL(scsi_dh_handler_exist); /* - * scsi_dh_handler_attach - Attach device handler + * scsi_dh_attach - Attach device handler * @sdev - sdev the handler should be attached to * @name - name of the handler to attach */ @@ -498,7 +541,7 @@ int scsi_dh_attach(struct request_queue *q, const char *name) EXPORT_SYMBOL_GPL(scsi_dh_attach); /* - * scsi_dh_handler_detach - Detach device handler + * scsi_dh_detach - Detach device handler * @sdev - sdev the handler should be detached from * * This function will detach the device handler only diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 6fec9fe..9dce367 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -128,43 +128,6 @@ static struct request *get_alua_req(struct scsi_device *sdev, } /* - * submit_std_inquiry - Issue a standard INQUIRY command - * @sdev: sdev the command should be send to - */ -static int submit_std_inquiry(struct scsi_device *sdev, struct alua_dh_data *h) -{ - struct request *rq; - int err = SCSI_DH_RES_TEMP_UNAVAIL; - - rq = get_alua_req(sdev, h->inq, ALUA_INQUIRY_SIZE, READ); - if (!rq) - goto done; - - /* Prepare the command. */ - rq->cmd[0] = INQUIRY; - rq->cmd[1] = 0; - rq->cmd[2] = 0; - rq->cmd[4] = ALUA_INQUIRY_SIZE; - rq->cmd_len = COMMAND_SIZE(INQUIRY); - - rq->sense = h->sense; - memset(rq->sense, 0, SCSI_SENSE_BUFFERSIZE); - rq->sense_len = h->senselen = 0; - - err = blk_execute_rq(rq->q, NULL, rq, 1); - if (err == -EIO) { - sdev_printk(KERN_INFO, sdev, - "%s: std inquiry failed with %x\n", - ALUA_DH_NAME, rq->errors); - h->senselen = rq->sense_len; - err = SCSI_DH_IO; - } - blk_put_request(rq); -done: - return err; -} - -/* * submit_vpd_inquiry - Issue an INQUIRY VPD page 0x83 command * @sdev: sdev the command should be sent to */ @@ -338,23 +301,17 @@ static unsigned submit_stpg(struct alua_dh_data *h) } /* - * alua_std_inquiry - Evaluate standard INQUIRY command + * alua_check_tpgs - Evaluate TPGS setting * @sdev: device to be checked * - * Just extract the TPGS setting to find out if ALUA + * Examine the TPGS setting of the sdev to find out if ALUA * is supported. */ -static int alua_std_inquiry(struct scsi_device *sdev, struct alua_dh_data *h) +static int alua_check_tpgs(struct scsi_device *sdev, struct alua_dh_data *h) { - int err; - - err = submit_std_inquiry(sdev, h); - - if (err != SCSI_DH_OK) - return err; + int err = SCSI_DH_OK; - /* Check TPGS setting */ - h->tpgs = (h->inq[5] >> 4) & 0x3; + h->tpgs = scsi_device_tpgs(sdev); switch (h->tpgs) { case TPGS_MODE_EXPLICIT|TPGS_MODE_IMPLICIT: sdev_printk(KERN_INFO, sdev, @@ -547,9 +504,9 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h) { struct scsi_sense_hdr sense_hdr; int len, k, off, valid_states = 0; - char *ucp; + unsigned char *ucp; unsigned err; - unsigned long expiry, interval = 10; + unsigned long expiry, interval = 1; expiry = round_jiffies_up(jiffies + ALUA_FAILOVER_TIMEOUT); retry: @@ -610,7 +567,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h) case TPGS_STATE_TRANSITIONING: if (time_before(jiffies, expiry)) { /* State transition, retry */ - interval *= 10; + interval *= 2; msleep(interval); goto retry; } @@ -642,7 +599,7 @@ static int alua_initialize(struct scsi_device *sdev, struct alua_dh_data *h) { int err; - err = alua_std_inquiry(sdev, h); + err = alua_check_tpgs(sdev, h); if (err != SCSI_DH_OK) goto out; @@ -674,11 +631,9 @@ static int alua_activate(struct scsi_device *sdev, struct alua_dh_data *h = get_alua_data(sdev); int err = SCSI_DH_OK; - if (h->group_id != -1) { - err = alua_rtpg(sdev, h); - if (err != SCSI_DH_OK) - goto out; - } + err = alua_rtpg(sdev, h); + if (err != SCSI_DH_OK) + goto out; if (h->tpgs & TPGS_MODE_EXPLICIT && h->state != TPGS_STATE_OPTIMIZED && @@ -720,23 +675,10 @@ static int alua_prep_fn(struct scsi_device *sdev, struct request *req) } -static const struct scsi_dh_devlist alua_dev_list[] = { - {"HP", "MSA VOLUME" }, - {"HP", "HSV101" }, - {"HP", "HSV111" }, - {"HP", "HSV200" }, - {"HP", "HSV210" }, - {"HP", "HSV300" }, - {"IBM", "2107900" }, - {"IBM", "2145" }, - {"Pillar", "Axiom" }, - {"Intel", "Multi-Flex"}, - {"NETAPP", "LUN"}, - {"NETAPP", "LUN C-Mode"}, - {"AIX", "NVDISK"}, - {"Promise", "VTrak"}, - {NULL, NULL} -}; +static bool alua_match(struct scsi_device *sdev) +{ + return (scsi_device_tpgs(sdev) != 0); +} static int alua_bus_attach(struct scsi_device *sdev); static void alua_bus_detach(struct scsi_device *sdev); @@ -744,12 +686,12 @@ static void alua_bus_detach(struct scsi_device *sdev); static struct scsi_device_handler alua_dh = { .name = ALUA_DH_NAME, .module = THIS_MODULE, - .devlist = alua_dev_list, .attach = alua_bus_attach, .detach = alua_bus_detach, .prep_fn = alua_prep_fn, .check_sense = alua_check_sense, .activate = alua_activate, + .match = alua_match, }; /* diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index ba710e3..c30fa27 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -138,7 +138,6 @@ static int fcoe_vport_create(struct fc_vport *, bool disabled); static int fcoe_vport_disable(struct fc_vport *, bool disable); static void fcoe_set_vport_symbolic_name(struct fc_vport *); static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *); -static int fcoe_validate_vport_create(struct fc_vport *); static struct libfc_function_template fcoe_libfc_fcn_templ = { .frame_send = fcoe_xmit, @@ -577,23 +576,6 @@ static int fcoe_lport_config(struct fc_lport *lport) } /** - * fcoe_get_wwn() - Get the world wide name from LLD if it supports it - * @netdev: the associated net device - * @wwn: the output WWN - * @type: the type of WWN (WWPN or WWNN) - * - * Returns: 0 for success - */ -static int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type) -{ - const struct net_device_ops *ops = netdev->netdev_ops; - - if (ops->ndo_fcoe_get_wwn) - return ops->ndo_fcoe_get_wwn(netdev, wwn, type); - return -EINVAL; -} - -/** * fcoe_netdev_features_change - Updates the lport's offload flags based * on the LLD netdev's FCoE feature flags */ @@ -2444,7 +2426,7 @@ static int fcoe_vport_create(struct fc_vport *vport, bool disabled) rc = fcoe_validate_vport_create(vport); if (rc) { - wwn_to_str(vport->port_name, buf, sizeof(buf)); + fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); printk(KERN_ERR "fcoe: Failed to create vport, " "WWPN (0x%s) already exists\n", buf); @@ -2596,49 +2578,3 @@ static void fcoe_set_port_id(struct fc_lport *lport, if (fp && fc_frame_payload_op(fp) == ELS_FLOGI) fcoe_ctlr_recv_flogi(&fcoe->ctlr, lport, fp); } - -/** - * fcoe_validate_vport_create() - Validate a vport before creating it - * @vport: NPIV port to be created - * - * This routine is meant to add validation for a vport before creating it - * via fcoe_vport_create(). - * Current validations are: - * - WWPN supplied is unique for given lport - * - * -*/ -static int fcoe_validate_vport_create(struct fc_vport *vport) -{ - struct Scsi_Host *shost = vport_to_shost(vport); - struct fc_lport *n_port = shost_priv(shost); - struct fc_lport *vn_port; - int rc = 0; - char buf[32]; - - mutex_lock(&n_port->lp_mutex); - - wwn_to_str(vport->port_name, buf, sizeof(buf)); - /* Check if the wwpn is not same as that of the lport */ - if (!memcmp(&n_port->wwpn, &vport->port_name, sizeof(u64))) { - FCOE_DBG("vport WWPN 0x%s is same as that of the " - "base port WWPN\n", buf); - rc = -EINVAL; - goto out; - } - - /* Check if there is any existing vport with same wwpn */ - list_for_each_entry(vn_port, &n_port->vports, list) { - if (!memcmp(&vn_port->wwpn, &vport->port_name, sizeof(u64))) { - FCOE_DBG("vport with given WWPN 0x%s already " - "exists\n", buf); - rc = -EINVAL; - break; - } - } - -out: - mutex_unlock(&n_port->lp_mutex); - - return rc; -} diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h index c4a9399..408a6fd 100644 --- a/drivers/scsi/fcoe/fcoe.h +++ b/drivers/scsi/fcoe/fcoe.h @@ -99,14 +99,4 @@ static inline struct net_device *fcoe_netdev(const struct fc_lport *lport) ((struct fcoe_port *)lport_priv(lport))->priv)->netdev; } -static inline void wwn_to_str(u64 wwn, char *buf, int len) -{ - u8 wwpn[8]; - - u64_to_wwn(wwn, wwpn); - snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x", - wwpn[0], wwpn[1], wwpn[2], wwpn[3], - wwpn[4], wwpn[5], wwpn[6], wwpn[7]); -} - #endif /* _FCOE_H_ */ diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index 41068e8..50c8c4a 100644 --- a/drivers/scsi/fcoe/fcoe_transport.c +++ b/drivers/scsi/fcoe/fcoe_transport.c @@ -83,6 +83,78 @@ static struct notifier_block libfcoe_notifier = { .notifier_call = libfcoe_device_notification, }; +void fcoe_wwn_to_str(u64 wwn, char *buf, int len) +{ + u8 wwpn[8]; + + u64_to_wwn(wwn, wwpn); + snprintf(buf, len, "%02x%02x%02x%02x%02x%02x%02x%02x", + wwpn[0], wwpn[1], wwpn[2], wwpn[3], + wwpn[4], wwpn[5], wwpn[6], wwpn[7]); +} +EXPORT_SYMBOL_GPL(fcoe_wwn_to_str); + +/** + * fcoe_validate_vport_create() - Validate a vport before creating it + * @vport: NPIV port to be created + * + * This routine is meant to add validation for a vport before creating it + * via fcoe_vport_create(). + * Current validations are: + * - WWPN supplied is unique for given lport + */ +int fcoe_validate_vport_create(struct fc_vport *vport) +{ + struct Scsi_Host *shost = vport_to_shost(vport); + struct fc_lport *n_port = shost_priv(shost); + struct fc_lport *vn_port; + int rc = 0; + char buf[32]; + + mutex_lock(&n_port->lp_mutex); + + fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); + /* Check if the wwpn is not same as that of the lport */ + if (!memcmp(&n_port->wwpn, &vport->port_name, sizeof(u64))) { + LIBFCOE_TRANSPORT_DBG("vport WWPN 0x%s is same as that of the " + "base port WWPN\n", buf); + rc = -EINVAL; + goto out; + } + + /* Check if there is any existing vport with same wwpn */ + list_for_each_entry(vn_port, &n_port->vports, list) { + if (!memcmp(&vn_port->wwpn, &vport->port_name, sizeof(u64))) { + LIBFCOE_TRANSPORT_DBG("vport with given WWPN 0x%s " + "already exists\n", buf); + rc = -EINVAL; + break; + } + } +out: + mutex_unlock(&n_port->lp_mutex); + return rc; +} +EXPORT_SYMBOL_GPL(fcoe_validate_vport_create); + +/** + * fcoe_get_wwn() - Get the world wide name from LLD if it supports it + * @netdev: the associated net device + * @wwn: the output WWN + * @type: the type of WWN (WWPN or WWNN) + * + * Returns: 0 for success + */ +int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type) +{ + const struct net_device_ops *ops = netdev->netdev_ops; + + if (ops->ndo_fcoe_get_wwn) + return ops->ndo_fcoe_get_wwn(netdev, wwn, type); + return -EINVAL; +} +EXPORT_SYMBOL_GPL(fcoe_get_wwn); + /** * fcoe_fc_crc() - Calculates the CRC for a given frame * @fp: The frame to be checksumed diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 8d63630..acbb924 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -8812,7 +8812,7 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32); if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT)) ioa_cfg->needs_hard_reset = 1; - if (interrupts & IPR_PCII_ERROR_INTERRUPTS) + if ((interrupts & IPR_PCII_ERROR_INTERRUPTS) || reset_devices) ioa_cfg->needs_hard_reset = 1; if (interrupts & IPR_PCII_IOA_UNIT_CHECKED) ioa_cfg->ioa_unit_checked = 1; diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index d6bcdd0..e2d9418 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -1345,29 +1345,6 @@ static void isci_smp_task_done(struct sas_task *task) complete(&task->completion); } -static struct sas_task *isci_alloc_task(void) -{ - struct sas_task *task = kzalloc(sizeof(*task), GFP_KERNEL); - - if (task) { - INIT_LIST_HEAD(&task->list); - spin_lock_init(&task->task_state_lock); - task->task_state_flags = SAS_TASK_STATE_PENDING; - init_timer(&task->timer); - init_completion(&task->completion); - } - - return task; -} - -static void isci_free_task(struct isci_host *ihost, struct sas_task *task) -{ - if (task) { - BUG_ON(!list_empty(&task->list)); - kfree(task); - } -} - static int isci_smp_execute_task(struct isci_host *ihost, struct domain_device *dev, void *req, int req_size, void *resp, int resp_size) @@ -1376,7 +1353,7 @@ static int isci_smp_execute_task(struct isci_host *ihost, struct sas_task *task = NULL; for (retry = 0; retry < 3; retry++) { - task = isci_alloc_task(); + task = sas_alloc_task(GFP_KERNEL); if (!task) return -ENOMEM; @@ -1439,13 +1416,13 @@ static int isci_smp_execute_task(struct isci_host *ihost, SAS_ADDR(dev->sas_addr), task->task_status.resp, task->task_status.stat); - isci_free_task(ihost, task); + sas_free_task(task); task = NULL; } } ex_err: BUG_ON(retry == 3 && task != NULL); - isci_free_task(ihost, task); + sas_free_task(task); return res; } diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 7724414..23e7066 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -872,6 +872,61 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session) iscsi_host_free(shost); } +static mode_t iscsi_sw_tcp_attr_is_visible(int param_type, int param) +{ + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_NETDEV_NAME: + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_IPADDRESS: + case ISCSI_HOST_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_HDRDGST_EN: + case ISCSI_PARAM_DATADGST_EN: + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_EXP_STATSN: + case ISCSI_PARAM_PERSISTENT_ADDRESS: + case ISCSI_PARAM_PERSISTENT_PORT: + case ISCSI_PARAM_PING_TMO: + case ISCSI_PARAM_RECV_TMO: + case ISCSI_PARAM_INITIAL_R2T_EN: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_IMM_DATA_EN: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_PDU_INORDER_EN: + case ISCSI_PARAM_DATASEQ_INORDER_EN: + case ISCSI_PARAM_ERL: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: + case ISCSI_PARAM_FAST_ABORT: + case ISCSI_PARAM_ABORT_TMO: + case ISCSI_PARAM_LU_RESET_TMO: + case ISCSI_PARAM_TGT_RESET_TMO: + case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + } + + return 0; +} + static int iscsi_sw_tcp_slave_alloc(struct scsi_device *sdev) { set_bit(QUEUE_FLAG_BIDI, &sdev->request_queue->queue_flags); @@ -910,33 +965,6 @@ static struct iscsi_transport iscsi_sw_tcp_transport = { .name = "tcp", .caps = CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST | CAP_DATADGST, - .param_mask = ISCSI_MAX_RECV_DLENGTH | - ISCSI_MAX_XMIT_DLENGTH | - ISCSI_HDRDGST_EN | - ISCSI_DATADGST_EN | - ISCSI_INITIAL_R2T_EN | - ISCSI_MAX_R2T | - ISCSI_IMM_DATA_EN | - ISCSI_FIRST_BURST | - ISCSI_MAX_BURST | - ISCSI_PDU_INORDER_EN | - ISCSI_DATASEQ_INORDER_EN | - ISCSI_ERL | - ISCSI_CONN_PORT | - ISCSI_CONN_ADDRESS | - ISCSI_EXP_STATSN | - ISCSI_PERSISTENT_PORT | - ISCSI_PERSISTENT_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_USERNAME | ISCSI_PASSWORD | - ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN | - ISCSI_FAST_ABORT | ISCSI_ABORT_TMO | - ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO | - ISCSI_PING_TMO | ISCSI_RECV_TMO | - ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME, - .host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS | - ISCSI_HOST_INITIATOR_NAME | - ISCSI_HOST_NETDEV_NAME, /* session management */ .create_session = iscsi_sw_tcp_session_create, .destroy_session = iscsi_sw_tcp_session_destroy, @@ -944,6 +972,7 @@ static struct iscsi_transport iscsi_sw_tcp_transport = { .create_conn = iscsi_sw_tcp_conn_create, .bind_conn = iscsi_sw_tcp_conn_bind, .destroy_conn = iscsi_sw_tcp_conn_destroy, + .attr_is_visible = iscsi_sw_tcp_attr_is_visible, .set_param = iscsi_sw_tcp_conn_set_param, .get_conn_param = iscsi_sw_tcp_conn_get_param, .get_session_param = iscsi_session_get_param, diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 256a999..d7c76f2 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -3163,7 +3163,6 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn, { struct iscsi_conn *conn = cls_conn->dd_data; struct iscsi_session *session = conn->session; - uint32_t value; switch(param) { case ISCSI_PARAM_FAST_ABORT: @@ -3220,14 +3219,6 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn, case ISCSI_PARAM_ERL: sscanf(buf, "%d", &session->erl); break; - case ISCSI_PARAM_IFMARKER_EN: - sscanf(buf, "%d", &value); - BUG_ON(value); - break; - case ISCSI_PARAM_OFMARKER_EN: - sscanf(buf, "%d", &value); - BUG_ON(value); - break; case ISCSI_PARAM_EXP_STATSN: sscanf(buf, "%u", &conn->exp_statsn); break; diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index 2dc5534..dd56ea8 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -37,7 +37,32 @@ #include "../scsi_sas_internal.h" -struct kmem_cache *sas_task_cache; +static struct kmem_cache *sas_task_cache; + +struct sas_task *sas_alloc_task(gfp_t flags) +{ + struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags); + + if (task) { + INIT_LIST_HEAD(&task->list); + spin_lock_init(&task->task_state_lock); + task->task_state_flags = SAS_TASK_STATE_PENDING; + init_timer(&task->timer); + init_completion(&task->completion); + } + + return task; +} +EXPORT_SYMBOL_GPL(sas_alloc_task); + +void sas_free_task(struct sas_task *task) +{ + if (task) { + BUG_ON(!list_empty(&task->list)); + kmem_cache_free(sas_task_cache, task); + } +} +EXPORT_SYMBOL_GPL(sas_free_task); /*------------ SAS addr hash -----------*/ void sas_hash_addr(u8 *hashed, const u8 *sas_addr) @@ -293,8 +318,7 @@ EXPORT_SYMBOL_GPL(sas_domain_release_transport); static int __init sas_class_init(void) { - sas_task_cache = kmem_cache_create("sas_task", sizeof(struct sas_task), - 0, SLAB_HWCACHE_ALIGN, NULL); + sas_task_cache = KMEM_CACHE(sas_task, SLAB_HWCACHE_ALIGN); if (!sas_task_cache) return -ENOMEM; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index eeba76c..d625577 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -182,79 +182,56 @@ int sas_queue_up(struct sas_task *task) return 0; } -/** - * sas_queuecommand -- Enqueue a command for processing - * @parameters: See SCSI Core documentation - * - * Note: XXX: Remove the host unlock/lock pair when SCSI Core can - * call us without holding an IRQ spinlock... - */ -static int sas_queuecommand_lck(struct scsi_cmnd *cmd, - void (*scsi_done)(struct scsi_cmnd *)) - __releases(host->host_lock) - __acquires(dev->sata_dev.ap->lock) - __releases(dev->sata_dev.ap->lock) - __acquires(host->host_lock) +int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) { - int res = 0; - struct domain_device *dev = cmd_to_domain_dev(cmd); - struct Scsi_Host *host = cmd->device->host; struct sas_internal *i = to_sas_internal(host->transportt); + struct domain_device *dev = cmd_to_domain_dev(cmd); + struct sas_ha_struct *sas_ha = dev->port->ha; + struct sas_task *task; + int res = 0; - spin_unlock_irq(host->host_lock); + /* If the device fell off, no sense in issuing commands */ + if (dev->gone) { + cmd->result = DID_BAD_TARGET << 16; + goto out_done; + } - { - struct sas_ha_struct *sas_ha = dev->port->ha; - struct sas_task *task; - - /* If the device fell off, no sense in issuing commands */ - if (dev->gone) { - cmd->result = DID_BAD_TARGET << 16; - scsi_done(cmd); - goto out; - } + if (dev_is_sata(dev)) { + unsigned long flags; - if (dev_is_sata(dev)) { - unsigned long flags; + spin_lock_irqsave(dev->sata_dev.ap->lock, flags); + res = ata_sas_queuecmd(cmd, dev->sata_dev.ap); + spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags); + return res; + } - spin_lock_irqsave(dev->sata_dev.ap->lock, flags); - res = ata_sas_queuecmd(cmd, dev->sata_dev.ap); - spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags); - goto out; - } + task = sas_create_task(cmd, dev, GFP_ATOMIC); + if (!task) + return SCSI_MLQUEUE_HOST_BUSY; - res = -ENOMEM; - task = sas_create_task(cmd, dev, GFP_ATOMIC); - if (!task) - goto out; + /* Queue up, Direct Mode or Task Collector Mode. */ + if (sas_ha->lldd_max_execute_num < 2) + res = i->dft->lldd_execute_task(task, 1, GFP_ATOMIC); + else + res = sas_queue_up(task); - cmd->scsi_done = scsi_done; - /* Queue up, Direct Mode or Task Collector Mode. */ - if (sas_ha->lldd_max_execute_num < 2) - res = i->dft->lldd_execute_task(task, 1, GFP_ATOMIC); - else - res = sas_queue_up(task); + if (res) + goto out_free_task; + return 0; - /* Examine */ - if (res) { - SAS_DPRINTK("lldd_execute_task returned: %d\n", res); - ASSIGN_SAS_TASK(cmd, NULL); - sas_free_task(task); - if (res == -SAS_QUEUE_FULL) { - cmd->result = DID_SOFT_ERROR << 16; /* retry */ - res = 0; - scsi_done(cmd); - } - goto out; - } - } -out: - spin_lock_irq(host->host_lock); - return res; +out_free_task: + SAS_DPRINTK("lldd_execute_task returned: %d\n", res); + ASSIGN_SAS_TASK(cmd, NULL); + sas_free_task(task); + if (res == -SAS_QUEUE_FULL) + cmd->result = DID_SOFT_ERROR << 16; /* retry */ + else + cmd->result = DID_ERROR << 16; +out_done: + cmd->scsi_done(cmd); + return 0; } -DEF_SCSI_QCMD(sas_queuecommand) - static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) { struct sas_task *task = TO_SAS_TASK(cmd); diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 2542f1f..13215cd 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -52,6 +52,13 @@ #define LPFC_MIN_DEVLOSS_TMO 1 #define LPFC_MAX_DEVLOSS_TMO 255 +/* + * Write key size should be multiple of 4. If write key is changed + * make sure that library write key is also changed. + */ +#define LPFC_REG_WRITE_KEY_SIZE 4 +#define LPFC_REG_WRITE_KEY "EMLX" + /** * lpfc_jedec_to_ascii - Hex to ascii convertor according to JEDEC rules * @incr: integer to convert. @@ -693,7 +700,7 @@ lpfc_selective_reset(struct lpfc_hba *phba) int rc; if (!phba->cfg_enable_hba_reset) - return -EIO; + return -EACCES; status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE); @@ -768,13 +775,18 @@ lpfc_issue_reset(struct device *dev, struct device_attribute *attr, static int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *phba) { - struct lpfc_register portstat_reg; + struct lpfc_register portstat_reg = {0}; int i; - + msleep(100); lpfc_readl(phba->sli4_hba.u.if_type2.STATUSregaddr, &portstat_reg.word0); + /* verify if privilaged for the request operation */ + if (!bf_get(lpfc_sliport_status_rn, &portstat_reg) && + !bf_get(lpfc_sliport_status_err, &portstat_reg)) + return -EPERM; + /* wait for the SLI port firmware ready after firmware reset */ for (i = 0; i < LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT; i++) { msleep(10); @@ -816,16 +828,13 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) int rc; if (!phba->cfg_enable_hba_reset) - return -EIO; + return -EACCES; if ((phba->sli_rev < LPFC_SLI_REV4) || (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != LPFC_SLI_INTF_IF_TYPE_2)) return -EPERM; - if (!pdev->is_physfn) - return -EPERM; - /* Disable SR-IOV virtual functions if enabled */ if (phba->cfg_sriov_nr_virtfn) { pci_disable_sriov(pdev); @@ -858,7 +867,7 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) rc = lpfc_sli4_pdev_status_reg_wait(phba); if (rc) - return -EIO; + return rc; init_completion(&online_compl); rc = lpfc_workq_post_event(phba, &status, &online_compl, @@ -984,7 +993,7 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr, if (!status) return strlen(buf); else - return -EIO; + return status; } /** @@ -3885,18 +3894,23 @@ sysfs_ctlreg_write(struct file *filp, struct kobject *kobj, if ((off + count) > FF_REG_AREA_SIZE) return -ERANGE; - if (count == 0) return 0; + if (count <= LPFC_REG_WRITE_KEY_SIZE) + return 0; if (off % 4 || count % 4 || (unsigned long)buf % 4) return -EINVAL; - if (!(vport->fc_flag & FC_OFFLINE_MODE)) { + /* This is to protect HBA registers from accidental writes. */ + if (memcmp(buf, LPFC_REG_WRITE_KEY, LPFC_REG_WRITE_KEY_SIZE)) + return -EINVAL; + + if (!(vport->fc_flag & FC_OFFLINE_MODE)) return -EPERM; - } spin_lock_irq(&phba->hbalock); - for (buf_off = 0; buf_off < count; buf_off += sizeof(uint32_t)) - writel(*((uint32_t *)(buf + buf_off)), + for (buf_off = 0; buf_off < count - LPFC_REG_WRITE_KEY_SIZE; + buf_off += sizeof(uint32_t)) + writel(*((uint32_t *)(buf + buf_off + LPFC_REG_WRITE_KEY_SIZE)), phba->ctrl_regs_memmap_p + off + buf_off); spin_unlock_irq(&phba->hbalock); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 023da0e..727c793 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -4082,9 +4082,6 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format, phba->fc_stat.elsXmitACC++; elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; - lpfc_nlp_put(ndlp); - elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, - * it could be freed */ rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { @@ -4166,6 +4163,11 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, psli = &phba->sli; cmdsize = oldiocb->iocb.unsli3.rcvsli3.acc_len; + /* The accumulated length can exceed the BPL_SIZE. For + * now, use this as the limit + */ + if (cmdsize > LPFC_BPL_SIZE) + cmdsize = LPFC_BPL_SIZE; elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp, ndlp->nlp_DID, ELS_CMD_ACC); if (!elsiocb) @@ -4189,9 +4191,6 @@ lpfc_els_rsp_echo_acc(struct lpfc_vport *vport, uint8_t *data, phba->fc_stat.elsXmitACC++; elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp; - lpfc_nlp_put(ndlp); - elsiocb->context1 = NULL; /* Don't need ndlp for cmpl, - * it could be freed */ rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0); if (rc == IOCB_ERROR) { diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 0b47adf..7eb34a6 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1412,7 +1412,7 @@ lpfc_register_fcf(struct lpfc_hba *phba) if (phba->pport->port_state != LPFC_FLOGI) { phba->hba_flag |= FCF_RR_INPROG; spin_unlock_irq(&phba->hbalock); - lpfc_issue_init_vfi(phba->pport); + lpfc_initial_flogi(phba->pport); return; } spin_unlock_irq(&phba->hbalock); diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 7f8003b..52a197d 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -41,6 +41,8 @@ * Or clear that bit field: * bf_set(example_bit_field, &t1, 0); */ +#define bf_get_be32(name, ptr) \ + ((be32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK) #define bf_get_le32(name, ptr) \ ((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK) #define bf_get(name, ptr) \ diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index a3c8200..d8ac769 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1481,15 +1481,18 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) return; } if (bf_get(lpfc_sliport_status_rn, &portstat_reg)) { - /* - * TODO: Attempt port recovery via a port reset. - * When fully implemented, the driver should - * attempt to recover the port here and return. - * For now, log an error and take the port offline. - */ + /* need reset: attempt for port recovery */ lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "2887 Port Error: Attempting " "Port Recovery\n"); + lpfc_offline_prep(phba); + lpfc_offline(phba); + lpfc_sli_brdrestart(phba); + if (lpfc_online(phba) == 0) { + lpfc_unblock_mgmt_io(phba); + return; + } + /* fall through for not able to recover */ } lpfc_sli4_offline_eratt(phba); break; @@ -1958,7 +1961,7 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp) case PCI_DEVICE_ID_LANCER_FCOE: case PCI_DEVICE_ID_LANCER_FCOE_VF: oneConnect = 1; - m = (typeof(m)){"OCe50100", "PCIe", "FCoE"}; + m = (typeof(m)){"OCe15100", "PCIe", "FCoE"}; break; default: m = (typeof(m)){"Unknown", "", ""}; @@ -3949,7 +3952,7 @@ static int lpfc_enable_pci_dev(struct lpfc_hba *phba) { struct pci_dev *pdev; - int bars; + int bars = 0; /* Obtain PCI device reference */ if (!phba->pcidev) @@ -3978,6 +3981,8 @@ lpfc_enable_pci_dev(struct lpfc_hba *phba) out_disable_device: pci_disable_device(pdev); out_error: + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1401 Failed to enable pci device, bars:x%x\n", bars); return -ENODEV; } @@ -4051,9 +4056,6 @@ lpfc_sli_sriov_nr_virtfn_get(struct lpfc_hba *phba) uint16_t nr_virtfn; int pos; - if (!pdev->is_physfn) - return 0; - pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); if (pos == 0) return 0; @@ -8271,11 +8273,8 @@ lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) /* Perform generic PCI device enabling operation */ error = lpfc_enable_pci_dev(phba); - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1401 Failed to enable pci device.\n"); + if (error) goto out_free_phba; - } /* Set up SLI API function jump table for PCI-device group-0 HBAs */ error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_LP); @@ -8322,6 +8321,9 @@ lpfc_pci_probe_one_s3(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_free_iocb_list; } + /* Get the default values for Model Name and Description */ + lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); + /* Create SCSI host to the physical port */ error = lpfc_create_shost(phba); if (error) { @@ -8885,16 +8887,17 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw) uint32_t offset = 0, temp_offset = 0; INIT_LIST_HEAD(&dma_buffer_list); - if ((image->magic_number != LPFC_GROUP_OJECT_MAGIC_NUM) || - (bf_get(lpfc_grp_hdr_file_type, image) != LPFC_FILE_TYPE_GROUP) || - (bf_get(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) || - (image->size != fw->size)) { + if ((be32_to_cpu(image->magic_number) != LPFC_GROUP_OJECT_MAGIC_NUM) || + (bf_get_be32(lpfc_grp_hdr_file_type, image) != + LPFC_FILE_TYPE_GROUP) || + (bf_get_be32(lpfc_grp_hdr_id, image) != LPFC_FILE_ID_GROUP) || + (be32_to_cpu(image->size) != fw->size)) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "3022 Invalid FW image found. " - "Magic:%d Type:%x ID:%x\n", - image->magic_number, - bf_get(lpfc_grp_hdr_file_type, image), - bf_get(lpfc_grp_hdr_id, image)); + "Magic:%x Type:%x ID:%x\n", + be32_to_cpu(image->magic_number), + bf_get_be32(lpfc_grp_hdr_file_type, image), + bf_get_be32(lpfc_grp_hdr_id, image)); return -EINVAL; } lpfc_decode_firmware_rev(phba, fwrev, 1); @@ -8924,11 +8927,11 @@ lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw) while (offset < fw->size) { temp_offset = offset; list_for_each_entry(dmabuf, &dma_buffer_list, list) { - if (offset + SLI4_PAGE_SIZE > fw->size) { - temp_offset += fw->size - offset; + if (temp_offset + SLI4_PAGE_SIZE > fw->size) { memcpy(dmabuf->virt, fw->data + temp_offset, - fw->size - offset); + fw->size - temp_offset); + temp_offset = fw->size; break; } memcpy(dmabuf->virt, fw->data + temp_offset, @@ -8995,11 +8998,8 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) /* Perform generic PCI device enabling operation */ error = lpfc_enable_pci_dev(phba); - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1409 Failed to enable pci device.\n"); + if (error) goto out_free_phba; - } /* Set up SLI API function jump table for PCI-device group-1 HBAs */ error = lpfc_api_table_setup(phba, LPFC_PCI_DEV_OC); @@ -9054,6 +9054,9 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_free_iocb_list; } + /* Get the default values for Model Name and Description */ + lpfc_get_hba_model_desc(phba, phba->ModelName, phba->ModelDesc); + /* Create SCSI host to the physical port */ error = lpfc_create_shost(phba); if (error) { diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index eadd241..75a48e3 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -3056,8 +3056,9 @@ lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) } ndlp = rdata->pnode; - if (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) && - scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) { + if ((scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) && + (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) || + (phba->sli_rev == LPFC_SLI_REV4))) { lpfc_printf_log(phba, KERN_ERR, LOG_BG, "9058 BLKGRD: ERROR: rcvd protected cmd:%02x" @@ -3691,9 +3692,9 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd) fc_host_post_vendor_event(shost, fc_get_event_number(), sizeof(scsi_event), (char *)&scsi_event, LPFC_NL_VENDOR_ID); - ret = fc_block_scsi_eh(cmnd); - if (ret) - return ret; + status = fc_block_scsi_eh(cmnd); + if (status) + return status; /* * Since the driver manages a single bus device, reset all diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 8b799f0..abed73d 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -5818,9 +5818,13 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) * then turn off the global config parameters to disable the * feature in the driver. This is not a fatal error. */ - if ((phba->cfg_enable_bg) && - !(bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs))) - ftr_rsp++; + phba->sli3_options &= ~LPFC_SLI3_BG_ENABLED; + if (phba->cfg_enable_bg) { + if (bf_get(lpfc_mbx_rq_ftr_rsp_dif, &mqe->un.req_ftrs)) + phba->sli3_options |= LPFC_SLI3_BG_ENABLED; + else + ftr_rsp++; + } if (phba->max_vpi && phba->cfg_enable_npiv && !(bf_get(lpfc_mbx_rq_ftr_rsp_npiv, &mqe->un.req_ftrs))) @@ -13296,7 +13300,8 @@ lpfc_fc_frame_to_vport(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr, uint32_t did = (fc_hdr->fh_d_id[0] << 16 | fc_hdr->fh_d_id[1] << 8 | fc_hdr->fh_d_id[2]); - + if (did == Fabric_DID) + return phba->pport; vports = lpfc_create_vport_work_array(phba); if (vports != NULL) for (i = 0; i <= phba->max_vpi && vports[i] != NULL; i++) { diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index c1e0ae9..57dacf8 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.3.25" +#define LPFC_DRIVER_VERSION "8.3.26" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" #define LPFC_FP_DRIVER_HANDLER_NAME "lpfc:fp" diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 6abd2fc..6bb3986 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -7354,6 +7354,7 @@ _scsih_remove(struct pci_dev *pdev) } sas_remove_host(shost); + mpt2sas_base_detach(ioc); list_del(&ioc->list); scsi_remove_host(shost); scsi_host_put(shost); diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index 4958fef..4196eee 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1387,28 +1387,6 @@ void mvs_dev_gone(struct domain_device *dev) mvs_dev_gone_notify(dev); } -static struct sas_task *mvs_alloc_task(void) -{ - struct sas_task *task = kzalloc(sizeof(struct sas_task), GFP_KERNEL); - - if (task) { - INIT_LIST_HEAD(&task->list); - spin_lock_init(&task->task_state_lock); - task->task_state_flags = SAS_TASK_STATE_PENDING; - init_timer(&task->timer); - init_completion(&task->completion); - } - return task; -} - -static void mvs_free_task(struct sas_task *task) -{ - if (task) { - BUG_ON(!list_empty(&task->list)); - kfree(task); - } -} - static void mvs_task_done(struct sas_task *task) { if (!del_timer(&task->timer)) @@ -1432,7 +1410,7 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, struct sas_task *task = NULL; for (retry = 0; retry < 3; retry++) { - task = mvs_alloc_task(); + task = sas_alloc_task(GFP_KERNEL); if (!task) return -ENOMEM; @@ -1490,15 +1468,14 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, SAS_ADDR(dev->sas_addr), task->task_status.resp, task->task_status.stat); - mvs_free_task(task); + sas_free_task(task); task = NULL; } } ex_err: BUG_ON(retry == 3 && task != NULL); - if (task != NULL) - mvs_free_task(task); + sas_free_task(task); return res; } diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c new file mode 100644 index 0000000..88cf1db --- /dev/null +++ b/drivers/scsi/mvumi.c @@ -0,0 +1,2018 @@ +/* + * Marvell UMI driver + * + * Copyright 2011 Marvell. + * + * This file is licensed under GPLv2. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of the + * License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA +*/ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "mvumi.h" + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("jyli@marvell.com"); +MODULE_DESCRIPTION("Marvell UMI Driver"); + +static DEFINE_PCI_DEVICE_TABLE(mvumi_pci_table) = { + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_2, PCI_DEVICE_ID_MARVELL_MV9143) }, + { 0 } +}; + +MODULE_DEVICE_TABLE(pci, mvumi_pci_table); + +static void tag_init(struct mvumi_tag *st, unsigned short size) +{ + unsigned short i; + BUG_ON(size != st->size); + st->top = size; + for (i = 0; i < size; i++) + st->stack[i] = size - 1 - i; +} + +static unsigned short tag_get_one(struct mvumi_hba *mhba, struct mvumi_tag *st) +{ + BUG_ON(st->top <= 0); + return st->stack[--st->top]; +} + +static void tag_release_one(struct mvumi_hba *mhba, struct mvumi_tag *st, + unsigned short tag) +{ + BUG_ON(st->top >= st->size); + st->stack[st->top++] = tag; +} + +static bool tag_is_empty(struct mvumi_tag *st) +{ + if (st->top == 0) + return 1; + else + return 0; +} + +static void mvumi_unmap_pci_addr(struct pci_dev *dev, void **addr_array) +{ + int i; + + for (i = 0; i < MAX_BASE_ADDRESS; i++) + if ((pci_resource_flags(dev, i) & IORESOURCE_MEM) && + addr_array[i]) + pci_iounmap(dev, addr_array[i]); +} + +static int mvumi_map_pci_addr(struct pci_dev *dev, void **addr_array) +{ + int i; + + for (i = 0; i < MAX_BASE_ADDRESS; i++) { + if (pci_resource_flags(dev, i) & IORESOURCE_MEM) { + addr_array[i] = pci_iomap(dev, i, 0); + if (!addr_array[i]) { + dev_err(&dev->dev, "failed to map Bar[%d]\n", + i); + mvumi_unmap_pci_addr(dev, addr_array); + return -ENOMEM; + } + } else + addr_array[i] = NULL; + + dev_dbg(&dev->dev, "Bar %d : %p.\n", i, addr_array[i]); + } + + return 0; +} + +static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba, + enum resource_type type, unsigned int size) +{ + struct mvumi_res *res = kzalloc(sizeof(*res), GFP_KERNEL); + + if (!res) { + dev_err(&mhba->pdev->dev, + "Failed to allocate memory for resouce manager.\n"); + return NULL; + } + + switch (type) { + case RESOURCE_CACHED_MEMORY: + res->virt_addr = kzalloc(size, GFP_KERNEL); + if (!res->virt_addr) { + dev_err(&mhba->pdev->dev, + "unable to allocate memory,size = %d.\n", size); + kfree(res); + return NULL; + } + break; + + case RESOURCE_UNCACHED_MEMORY: + size = round_up(size, 8); + res->virt_addr = pci_alloc_consistent(mhba->pdev, size, + &res->bus_addr); + if (!res->virt_addr) { + dev_err(&mhba->pdev->dev, + "unable to allocate consistent mem," + "size = %d.\n", size); + kfree(res); + return NULL; + } + memset(res->virt_addr, 0, size); + break; + + default: + dev_err(&mhba->pdev->dev, "unknown resource type %d.\n", type); + kfree(res); + return NULL; + } + + res->type = type; + res->size = size; + INIT_LIST_HEAD(&res->entry); + list_add_tail(&res->entry, &mhba->res_list); + + return res; +} + +static void mvumi_release_mem_resource(struct mvumi_hba *mhba) +{ + struct mvumi_res *res, *tmp; + + list_for_each_entry_safe(res, tmp, &mhba->res_list, entry) { + switch (res->type) { + case RESOURCE_UNCACHED_MEMORY: + pci_free_consistent(mhba->pdev, res->size, + res->virt_addr, res->bus_addr); + break; + case RESOURCE_CACHED_MEMORY: + kfree(res->virt_addr); + break; + default: + dev_err(&mhba->pdev->dev, + "unknown resource type %d\n", res->type); + break; + } + list_del(&res->entry); + kfree(res); + } + mhba->fw_flag &= ~MVUMI_FW_ALLOC; +} + +/** + * mvumi_make_sgl - Prepares SGL + * @mhba: Adapter soft state + * @scmd: SCSI command from the mid-layer + * @sgl_p: SGL to be filled in + * @sg_count return the number of SG elements + * + * If successful, this function returns 0. otherwise, it returns -1. + */ +static int mvumi_make_sgl(struct mvumi_hba *mhba, struct scsi_cmnd *scmd, + void *sgl_p, unsigned char *sg_count) +{ + struct scatterlist *sg; + struct mvumi_sgl *m_sg = (struct mvumi_sgl *) sgl_p; + unsigned int i; + unsigned int sgnum = scsi_sg_count(scmd); + dma_addr_t busaddr; + + if (sgnum) { + sg = scsi_sglist(scmd); + *sg_count = pci_map_sg(mhba->pdev, sg, sgnum, + (int) scmd->sc_data_direction); + if (*sg_count > mhba->max_sge) { + dev_err(&mhba->pdev->dev, "sg count[0x%x] is bigger " + "than max sg[0x%x].\n", + *sg_count, mhba->max_sge); + return -1; + } + for (i = 0; i < *sg_count; i++) { + busaddr = sg_dma_address(&sg[i]); + m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr)); + m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr)); + m_sg->flags = 0; + m_sg->size = cpu_to_le32(sg_dma_len(&sg[i])); + if ((i + 1) == *sg_count) + m_sg->flags |= SGD_EOT; + + m_sg++; + } + } else { + scmd->SCp.dma_handle = scsi_bufflen(scmd) ? + pci_map_single(mhba->pdev, scsi_sglist(scmd), + scsi_bufflen(scmd), + (int) scmd->sc_data_direction) + : 0; + busaddr = scmd->SCp.dma_handle; + m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(busaddr)); + m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(busaddr)); + m_sg->flags = SGD_EOT; + m_sg->size = cpu_to_le32(scsi_bufflen(scmd)); + *sg_count = 1; + } + + return 0; +} + +static int mvumi_internal_cmd_sgl(struct mvumi_hba *mhba, struct mvumi_cmd *cmd, + unsigned int size) +{ + struct mvumi_sgl *m_sg; + void *virt_addr; + dma_addr_t phy_addr; + + if (size == 0) + return 0; + + virt_addr = pci_alloc_consistent(mhba->pdev, size, &phy_addr); + if (!virt_addr) + return -1; + + memset(virt_addr, 0, size); + + m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0]; + cmd->frame->sg_counts = 1; + cmd->data_buf = virt_addr; + + m_sg->baseaddr_l = cpu_to_le32(lower_32_bits(phy_addr)); + m_sg->baseaddr_h = cpu_to_le32(upper_32_bits(phy_addr)); + m_sg->flags = SGD_EOT; + m_sg->size = cpu_to_le32(size); + + return 0; +} + +static struct mvumi_cmd *mvumi_create_internal_cmd(struct mvumi_hba *mhba, + unsigned int buf_size) +{ + struct mvumi_cmd *cmd; + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) { + dev_err(&mhba->pdev->dev, "failed to create a internal cmd\n"); + return NULL; + } + INIT_LIST_HEAD(&cmd->queue_pointer); + + cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL); + if (!cmd->frame) { + dev_err(&mhba->pdev->dev, "failed to allocate memory for FW" + " frame,size = %d.\n", mhba->ib_max_size); + kfree(cmd); + return NULL; + } + + if (buf_size) { + if (mvumi_internal_cmd_sgl(mhba, cmd, buf_size)) { + dev_err(&mhba->pdev->dev, "failed to allocate memory" + " for internal frame\n"); + kfree(cmd->frame); + kfree(cmd); + return NULL; + } + } else + cmd->frame->sg_counts = 0; + + return cmd; +} + +static void mvumi_delete_internal_cmd(struct mvumi_hba *mhba, + struct mvumi_cmd *cmd) +{ + struct mvumi_sgl *m_sg; + unsigned int size; + dma_addr_t phy_addr; + + if (cmd && cmd->frame) { + if (cmd->frame->sg_counts) { + m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0]; + size = m_sg->size; + + phy_addr = (dma_addr_t) m_sg->baseaddr_l | + (dma_addr_t) ((m_sg->baseaddr_h << 16) << 16); + + pci_free_consistent(mhba->pdev, size, cmd->data_buf, + phy_addr); + } + kfree(cmd->frame); + kfree(cmd); + } +} + +/** + * mvumi_get_cmd - Get a command from the free pool + * @mhba: Adapter soft state + * + * Returns a free command from the pool + */ +static struct mvumi_cmd *mvumi_get_cmd(struct mvumi_hba *mhba) +{ + struct mvumi_cmd *cmd = NULL; + + if (likely(!list_empty(&mhba->cmd_pool))) { + cmd = list_entry((&mhba->cmd_pool)->next, + struct mvumi_cmd, queue_pointer); + list_del_init(&cmd->queue_pointer); + } else + dev_warn(&mhba->pdev->dev, "command pool is empty!\n"); + + return cmd; +} + +/** + * mvumi_return_cmd - Return a cmd to free command pool + * @mhba: Adapter soft state + * @cmd: Command packet to be returned to free command pool + */ +static inline void mvumi_return_cmd(struct mvumi_hba *mhba, + struct mvumi_cmd *cmd) +{ + cmd->scmd = NULL; + list_add_tail(&cmd->queue_pointer, &mhba->cmd_pool); +} + +/** + * mvumi_free_cmds - Free all the cmds in the free cmd pool + * @mhba: Adapter soft state + */ +static void mvumi_free_cmds(struct mvumi_hba *mhba) +{ + struct mvumi_cmd *cmd; + + while (!list_empty(&mhba->cmd_pool)) { + cmd = list_first_entry(&mhba->cmd_pool, struct mvumi_cmd, + queue_pointer); + list_del(&cmd->queue_pointer); + kfree(cmd->frame); + kfree(cmd); + } +} + +/** + * mvumi_alloc_cmds - Allocates the command packets + * @mhba: Adapter soft state + * + */ +static int mvumi_alloc_cmds(struct mvumi_hba *mhba) +{ + int i; + struct mvumi_cmd *cmd; + + for (i = 0; i < mhba->max_io; i++) { + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + goto err_exit; + + INIT_LIST_HEAD(&cmd->queue_pointer); + list_add_tail(&cmd->queue_pointer, &mhba->cmd_pool); + cmd->frame = kzalloc(mhba->ib_max_size, GFP_KERNEL); + if (!cmd->frame) + goto err_exit; + } + return 0; + +err_exit: + dev_err(&mhba->pdev->dev, + "failed to allocate memory for cmd[0x%x].\n", i); + while (!list_empty(&mhba->cmd_pool)) { + cmd = list_first_entry(&mhba->cmd_pool, struct mvumi_cmd, + queue_pointer); + list_del(&cmd->queue_pointer); + kfree(cmd->frame); + kfree(cmd); + } + return -ENOMEM; +} + +static int mvumi_get_ib_list_entry(struct mvumi_hba *mhba, void **ib_entry) +{ + unsigned int ib_rp_reg, cur_ib_entry; + + if (atomic_read(&mhba->fw_outstanding) >= mhba->max_io) { + dev_warn(&mhba->pdev->dev, "firmware io overflow.\n"); + return -1; + } + ib_rp_reg = ioread32(mhba->mmio + CLA_INB_READ_POINTER); + + if (unlikely(((ib_rp_reg & CL_SLOT_NUM_MASK) == + (mhba->ib_cur_slot & CL_SLOT_NUM_MASK)) && + ((ib_rp_reg & CL_POINTER_TOGGLE) != + (mhba->ib_cur_slot & CL_POINTER_TOGGLE)))) { + dev_warn(&mhba->pdev->dev, "no free slot to use.\n"); + return -1; + } + + cur_ib_entry = mhba->ib_cur_slot & CL_SLOT_NUM_MASK; + cur_ib_entry++; + if (cur_ib_entry >= mhba->list_num_io) { + cur_ib_entry -= mhba->list_num_io; + mhba->ib_cur_slot ^= CL_POINTER_TOGGLE; + } + mhba->ib_cur_slot &= ~CL_SLOT_NUM_MASK; + mhba->ib_cur_slot |= (cur_ib_entry & CL_SLOT_NUM_MASK); + *ib_entry = mhba->ib_list + cur_ib_entry * mhba->ib_max_size; + atomic_inc(&mhba->fw_outstanding); + + return 0; +} + +static void mvumi_send_ib_list_entry(struct mvumi_hba *mhba) +{ + iowrite32(0xfff, mhba->ib_shadow); + iowrite32(mhba->ib_cur_slot, mhba->mmio + CLA_INB_WRITE_POINTER); +} + +static char mvumi_check_ob_frame(struct mvumi_hba *mhba, + unsigned int cur_obf, struct mvumi_rsp_frame *p_outb_frame) +{ + unsigned short tag, request_id; + + udelay(1); + p_outb_frame = mhba->ob_list + cur_obf * mhba->ob_max_size; + request_id = p_outb_frame->request_id; + tag = p_outb_frame->tag; + if (tag > mhba->tag_pool.size) { + dev_err(&mhba->pdev->dev, "ob frame data error\n"); + return -1; + } + if (mhba->tag_cmd[tag] == NULL) { + dev_err(&mhba->pdev->dev, "tag[0x%x] with NO command\n", tag); + return -1; + } else if (mhba->tag_cmd[tag]->request_id != request_id && + mhba->request_id_enabled) { + dev_err(&mhba->pdev->dev, "request ID from FW:0x%x," + "cmd request ID:0x%x\n", request_id, + mhba->tag_cmd[tag]->request_id); + return -1; + } + + return 0; +} + +static void mvumi_receive_ob_list_entry(struct mvumi_hba *mhba) +{ + unsigned int ob_write_reg, ob_write_shadow_reg; + unsigned int cur_obf, assign_obf_end, i; + struct mvumi_ob_data *ob_data; + struct mvumi_rsp_frame *p_outb_frame; + + do { + ob_write_reg = ioread32(mhba->mmio + CLA_OUTB_COPY_POINTER); + ob_write_shadow_reg = ioread32(mhba->ob_shadow); + } while ((ob_write_reg & CL_SLOT_NUM_MASK) != ob_write_shadow_reg); + + cur_obf = mhba->ob_cur_slot & CL_SLOT_NUM_MASK; + assign_obf_end = ob_write_reg & CL_SLOT_NUM_MASK; + + if ((ob_write_reg & CL_POINTER_TOGGLE) != + (mhba->ob_cur_slot & CL_POINTER_TOGGLE)) { + assign_obf_end += mhba->list_num_io; + } + + for (i = (assign_obf_end - cur_obf); i != 0; i--) { + cur_obf++; + if (cur_obf >= mhba->list_num_io) { + cur_obf -= mhba->list_num_io; + mhba->ob_cur_slot ^= CL_POINTER_TOGGLE; + } + + p_outb_frame = mhba->ob_list + cur_obf * mhba->ob_max_size; + + /* Copy pointer may point to entry in outbound list + * before entry has valid data + */ + if (unlikely(p_outb_frame->tag > mhba->tag_pool.size || + mhba->tag_cmd[p_outb_frame->tag] == NULL || + p_outb_frame->request_id != + mhba->tag_cmd[p_outb_frame->tag]->request_id)) + if (mvumi_check_ob_frame(mhba, cur_obf, p_outb_frame)) + continue; + + if (!list_empty(&mhba->ob_data_list)) { + ob_data = (struct mvumi_ob_data *) + list_first_entry(&mhba->ob_data_list, + struct mvumi_ob_data, list); + list_del_init(&ob_data->list); + } else { + ob_data = NULL; + if (cur_obf == 0) { + cur_obf = mhba->list_num_io - 1; + mhba->ob_cur_slot ^= CL_POINTER_TOGGLE; + } else + cur_obf -= 1; + break; + } + + memcpy(ob_data->data, p_outb_frame, mhba->ob_max_size); + p_outb_frame->tag = 0xff; + + list_add_tail(&ob_data->list, &mhba->free_ob_list); + } + mhba->ob_cur_slot &= ~CL_SLOT_NUM_MASK; + mhba->ob_cur_slot |= (cur_obf & CL_SLOT_NUM_MASK); + iowrite32(mhba->ob_cur_slot, mhba->mmio + CLA_OUTB_READ_POINTER); +} + +static void mvumi_reset(void *regs) +{ + iowrite32(0, regs + CPU_ENPOINTA_MASK_REG); + if (ioread32(regs + CPU_ARM_TO_PCIEA_MSG1) != HANDSHAKE_DONESTATE) + return; + + iowrite32(DRBL_SOFT_RESET, regs + CPU_PCIEA_TO_ARM_DRBL_REG); +} + +static unsigned char mvumi_start(struct mvumi_hba *mhba); + +static int mvumi_wait_for_outstanding(struct mvumi_hba *mhba) +{ + mhba->fw_state = FW_STATE_ABORT; + mvumi_reset(mhba->mmio); + + if (mvumi_start(mhba)) + return FAILED; + else + return SUCCESS; +} + +static int mvumi_host_reset(struct scsi_cmnd *scmd) +{ + struct mvumi_hba *mhba; + + mhba = (struct mvumi_hba *) scmd->device->host->hostdata; + + scmd_printk(KERN_NOTICE, scmd, "RESET -%ld cmd=%x retries=%x\n", + scmd->serial_number, scmd->cmnd[0], scmd->retries); + + return mvumi_wait_for_outstanding(mhba); +} + +static int mvumi_issue_blocked_cmd(struct mvumi_hba *mhba, + struct mvumi_cmd *cmd) +{ + unsigned long flags; + + cmd->cmd_status = REQ_STATUS_PENDING; + + if (atomic_read(&cmd->sync_cmd)) { + dev_err(&mhba->pdev->dev, + "last blocked cmd not finished, sync_cmd = %d\n", + atomic_read(&cmd->sync_cmd)); + BUG_ON(1); + return -1; + } + atomic_inc(&cmd->sync_cmd); + spin_lock_irqsave(mhba->shost->host_lock, flags); + mhba->instancet->fire_cmd(mhba, cmd); + spin_unlock_irqrestore(mhba->shost->host_lock, flags); + + wait_event_timeout(mhba->int_cmd_wait_q, + (cmd->cmd_status != REQ_STATUS_PENDING), + MVUMI_INTERNAL_CMD_WAIT_TIME * HZ); + + /* command timeout */ + if (atomic_read(&cmd->sync_cmd)) { + spin_lock_irqsave(mhba->shost->host_lock, flags); + atomic_dec(&cmd->sync_cmd); + if (mhba->tag_cmd[cmd->frame->tag]) { + mhba->tag_cmd[cmd->frame->tag] = 0; + dev_warn(&mhba->pdev->dev, "TIMEOUT:release tag [%d]\n", + cmd->frame->tag); + tag_release_one(mhba, &mhba->tag_pool, cmd->frame->tag); + } + if (!list_empty(&cmd->queue_pointer)) { + dev_warn(&mhba->pdev->dev, + "TIMEOUT:A internal command doesn't send!\n"); + list_del_init(&cmd->queue_pointer); + } else + atomic_dec(&mhba->fw_outstanding); + + spin_unlock_irqrestore(mhba->shost->host_lock, flags); + } + return 0; +} + +static void mvumi_release_fw(struct mvumi_hba *mhba) +{ + mvumi_free_cmds(mhba); + mvumi_release_mem_resource(mhba); + mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr); + kfree(mhba->handshake_page); + pci_release_regions(mhba->pdev); +} + +static unsigned char mvumi_flush_cache(struct mvumi_hba *mhba) +{ + struct mvumi_cmd *cmd; + struct mvumi_msg_frame *frame; + unsigned char device_id, retry = 0; + unsigned char bitcount = sizeof(unsigned char) * 8; + + for (device_id = 0; device_id < mhba->max_target_id; device_id++) { + if (!(mhba->target_map[device_id / bitcount] & + (1 << (device_id % bitcount)))) + continue; +get_cmd: cmd = mvumi_create_internal_cmd(mhba, 0); + if (!cmd) { + if (retry++ >= 5) { + dev_err(&mhba->pdev->dev, "failed to get memory" + " for internal flush cache cmd for " + "device %d", device_id); + retry = 0; + continue; + } else + goto get_cmd; + } + cmd->scmd = NULL; + cmd->cmd_status = REQ_STATUS_PENDING; + atomic_set(&cmd->sync_cmd, 0); + frame = cmd->frame; + frame->req_function = CL_FUN_SCSI_CMD; + frame->device_id = device_id; + frame->cmd_flag = CMD_FLAG_NON_DATA; + frame->data_transfer_length = 0; + frame->cdb_length = MAX_COMMAND_SIZE; + memset(frame->cdb, 0, MAX_COMMAND_SIZE); + frame->cdb[0] = SCSI_CMD_MARVELL_SPECIFIC; + frame->cdb[2] = CDB_CORE_SHUTDOWN; + + mvumi_issue_blocked_cmd(mhba, cmd); + if (cmd->cmd_status != SAM_STAT_GOOD) { + dev_err(&mhba->pdev->dev, + "device %d flush cache failed, status=0x%x.\n", + device_id, cmd->cmd_status); + } + + mvumi_delete_internal_cmd(mhba, cmd); + } + return 0; +} + +static unsigned char +mvumi_calculate_checksum(struct mvumi_hs_header *p_header, + unsigned short len) +{ + unsigned char *ptr; + unsigned char ret = 0, i; + + ptr = (unsigned char *) p_header->frame_content; + for (i = 0; i < len; i++) { + ret ^= *ptr; + ptr++; + } + + return ret; +} + +void mvumi_hs_build_page(struct mvumi_hba *mhba, + struct mvumi_hs_header *hs_header) +{ + struct mvumi_hs_page2 *hs_page2; + struct mvumi_hs_page4 *hs_page4; + struct mvumi_hs_page3 *hs_page3; + struct timeval time; + unsigned int local_time; + + switch (hs_header->page_code) { + case HS_PAGE_HOST_INFO: + hs_page2 = (struct mvumi_hs_page2 *) hs_header; + hs_header->frame_length = sizeof(*hs_page2) - 4; + memset(hs_header->frame_content, 0, hs_header->frame_length); + hs_page2->host_type = 3; /* 3 mean linux*/ + hs_page2->host_ver.ver_major = VER_MAJOR; + hs_page2->host_ver.ver_minor = VER_MINOR; + hs_page2->host_ver.ver_oem = VER_OEM; + hs_page2->host_ver.ver_build = VER_BUILD; + hs_page2->system_io_bus = 0; + hs_page2->slot_number = 0; + hs_page2->intr_level = 0; + hs_page2->intr_vector = 0; + do_gettimeofday(&time); + local_time = (unsigned int) (time.tv_sec - + (sys_tz.tz_minuteswest * 60)); + hs_page2->seconds_since1970 = local_time; + hs_header->checksum = mvumi_calculate_checksum(hs_header, + hs_header->frame_length); + break; + + case HS_PAGE_FIRM_CTL: + hs_page3 = (struct mvumi_hs_page3 *) hs_header; + hs_header->frame_length = sizeof(*hs_page3) - 4; + memset(hs_header->frame_content, 0, hs_header->frame_length); + hs_header->checksum = mvumi_calculate_checksum(hs_header, + hs_header->frame_length); + break; + + case HS_PAGE_CL_INFO: + hs_page4 = (struct mvumi_hs_page4 *) hs_header; + hs_header->frame_length = sizeof(*hs_page4) - 4; + memset(hs_header->frame_content, 0, hs_header->frame_length); + hs_page4->ib_baseaddr_l = lower_32_bits(mhba->ib_list_phys); + hs_page4->ib_baseaddr_h = upper_32_bits(mhba->ib_list_phys); + + hs_page4->ob_baseaddr_l = lower_32_bits(mhba->ob_list_phys); + hs_page4->ob_baseaddr_h = upper_32_bits(mhba->ob_list_phys); + hs_page4->ib_entry_size = mhba->ib_max_size_setting; + hs_page4->ob_entry_size = mhba->ob_max_size_setting; + hs_page4->ob_depth = mhba->list_num_io; + hs_page4->ib_depth = mhba->list_num_io; + hs_header->checksum = mvumi_calculate_checksum(hs_header, + hs_header->frame_length); + break; + + default: + dev_err(&mhba->pdev->dev, "cannot build page, code[0x%x]\n", + hs_header->page_code); + break; + } +} + +/** + * mvumi_init_data - Initialize requested date for FW + * @mhba: Adapter soft state + */ +static int mvumi_init_data(struct mvumi_hba *mhba) +{ + struct mvumi_ob_data *ob_pool; + struct mvumi_res *res_mgnt; + unsigned int tmp_size, offset, i; + void *virmem, *v; + dma_addr_t p; + + if (mhba->fw_flag & MVUMI_FW_ALLOC) + return 0; + + tmp_size = mhba->ib_max_size * mhba->max_io; + tmp_size += 128 + mhba->ob_max_size * mhba->max_io; + tmp_size += 8 + sizeof(u32) + 16; + + res_mgnt = mvumi_alloc_mem_resource(mhba, + RESOURCE_UNCACHED_MEMORY, tmp_size); + if (!res_mgnt) { + dev_err(&mhba->pdev->dev, + "failed to allocate memory for inbound list\n"); + goto fail_alloc_dma_buf; + } + + p = res_mgnt->bus_addr; + v = res_mgnt->virt_addr; + /* ib_list */ + offset = round_up(p, 128) - p; + p += offset; + v += offset; + mhba->ib_list = v; + mhba->ib_list_phys = p; + v += mhba->ib_max_size * mhba->max_io; + p += mhba->ib_max_size * mhba->max_io; + /* ib shadow */ + offset = round_up(p, 8) - p; + p += offset; + v += offset; + mhba->ib_shadow = v; + mhba->ib_shadow_phys = p; + p += sizeof(u32); + v += sizeof(u32); + /* ob shadow */ + offset = round_up(p, 8) - p; + p += offset; + v += offset; + mhba->ob_shadow = v; + mhba->ob_shadow_phys = p; + p += 8; + v += 8; + + /* ob list */ + offset = round_up(p, 128) - p; + p += offset; + v += offset; + + mhba->ob_list = v; + mhba->ob_list_phys = p; + + /* ob data pool */ + tmp_size = mhba->max_io * (mhba->ob_max_size + sizeof(*ob_pool)); + tmp_size = round_up(tmp_size, 8); + + res_mgnt = mvumi_alloc_mem_resource(mhba, + RESOURCE_CACHED_MEMORY, tmp_size); + if (!res_mgnt) { + dev_err(&mhba->pdev->dev, + "failed to allocate memory for outbound data buffer\n"); + goto fail_alloc_dma_buf; + } + virmem = res_mgnt->virt_addr; + + for (i = mhba->max_io; i != 0; i--) { + ob_pool = (struct mvumi_ob_data *) virmem; + list_add_tail(&ob_pool->list, &mhba->ob_data_list); + virmem += mhba->ob_max_size + sizeof(*ob_pool); + } + + tmp_size = sizeof(unsigned short) * mhba->max_io + + sizeof(struct mvumi_cmd *) * mhba->max_io; + tmp_size += round_up(mhba->max_target_id, sizeof(unsigned char) * 8) / + (sizeof(unsigned char) * 8); + + res_mgnt = mvumi_alloc_mem_resource(mhba, + RESOURCE_CACHED_MEMORY, tmp_size); + if (!res_mgnt) { + dev_err(&mhba->pdev->dev, + "failed to allocate memory for tag and target map\n"); + goto fail_alloc_dma_buf; + } + + virmem = res_mgnt->virt_addr; + mhba->tag_pool.stack = virmem; + mhba->tag_pool.size = mhba->max_io; + tag_init(&mhba->tag_pool, mhba->max_io); + virmem += sizeof(unsigned short) * mhba->max_io; + + mhba->tag_cmd = virmem; + virmem += sizeof(struct mvumi_cmd *) * mhba->max_io; + + mhba->target_map = virmem; + + mhba->fw_flag |= MVUMI_FW_ALLOC; + return 0; + +fail_alloc_dma_buf: + mvumi_release_mem_resource(mhba); + return -1; +} + +static int mvumi_hs_process_page(struct mvumi_hba *mhba, + struct mvumi_hs_header *hs_header) +{ + struct mvumi_hs_page1 *hs_page1; + unsigned char page_checksum; + + page_checksum = mvumi_calculate_checksum(hs_header, + hs_header->frame_length); + if (page_checksum != hs_header->checksum) { + dev_err(&mhba->pdev->dev, "checksum error\n"); + return -1; + } + + switch (hs_header->page_code) { + case HS_PAGE_FIRM_CAP: + hs_page1 = (struct mvumi_hs_page1 *) hs_header; + + mhba->max_io = hs_page1->max_io_support; + mhba->list_num_io = hs_page1->cl_inout_list_depth; + mhba->max_transfer_size = hs_page1->max_transfer_size; + mhba->max_target_id = hs_page1->max_devices_support; + mhba->hba_capability = hs_page1->capability; + mhba->ib_max_size_setting = hs_page1->cl_in_max_entry_size; + mhba->ib_max_size = (1 << hs_page1->cl_in_max_entry_size) << 2; + + mhba->ob_max_size_setting = hs_page1->cl_out_max_entry_size; + mhba->ob_max_size = (1 << hs_page1->cl_out_max_entry_size) << 2; + + dev_dbg(&mhba->pdev->dev, "FW version:%d\n", + hs_page1->fw_ver.ver_build); + + break; + default: + dev_err(&mhba->pdev->dev, "handshake: page code error\n"); + return -1; + } + return 0; +} + +/** + * mvumi_handshake - Move the FW to READY state + * @mhba: Adapter soft state + * + * During the initialization, FW passes can potentially be in any one of + * several possible states. If the FW in operational, waiting-for-handshake + * states, driver must take steps to bring it to ready state. Otherwise, it + * has to wait for the ready state. + */ +static int mvumi_handshake(struct mvumi_hba *mhba) +{ + unsigned int hs_state, tmp, hs_fun; + struct mvumi_hs_header *hs_header; + void *regs = mhba->mmio; + + if (mhba->fw_state == FW_STATE_STARTING) + hs_state = HS_S_START; + else { + tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG0); + hs_state = HS_GET_STATE(tmp); + dev_dbg(&mhba->pdev->dev, "handshake state[0x%x].\n", hs_state); + if (HS_GET_STATUS(tmp) != HS_STATUS_OK) { + mhba->fw_state = FW_STATE_STARTING; + return -1; + } + } + + hs_fun = 0; + switch (hs_state) { + case HS_S_START: + mhba->fw_state = FW_STATE_HANDSHAKING; + HS_SET_STATUS(hs_fun, HS_STATUS_OK); + HS_SET_STATE(hs_fun, HS_S_RESET); + iowrite32(HANDSHAKE_SIGNATURE, regs + CPU_PCIEA_TO_ARM_MSG1); + iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0); + iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG); + break; + + case HS_S_RESET: + iowrite32(lower_32_bits(mhba->handshake_page_phys), + regs + CPU_PCIEA_TO_ARM_MSG1); + iowrite32(upper_32_bits(mhba->handshake_page_phys), + regs + CPU_ARM_TO_PCIEA_MSG1); + HS_SET_STATUS(hs_fun, HS_STATUS_OK); + HS_SET_STATE(hs_fun, HS_S_PAGE_ADDR); + iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0); + iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG); + + break; + + case HS_S_PAGE_ADDR: + case HS_S_QUERY_PAGE: + case HS_S_SEND_PAGE: + hs_header = (struct mvumi_hs_header *) mhba->handshake_page; + if (hs_header->page_code == HS_PAGE_FIRM_CAP) { + mhba->hba_total_pages = + ((struct mvumi_hs_page1 *) hs_header)->total_pages; + + if (mhba->hba_total_pages == 0) + mhba->hba_total_pages = HS_PAGE_TOTAL-1; + } + + if (hs_state == HS_S_QUERY_PAGE) { + if (mvumi_hs_process_page(mhba, hs_header)) { + HS_SET_STATE(hs_fun, HS_S_ABORT); + return -1; + } + if (mvumi_init_data(mhba)) { + HS_SET_STATE(hs_fun, HS_S_ABORT); + return -1; + } + } else if (hs_state == HS_S_PAGE_ADDR) { + hs_header->page_code = 0; + mhba->hba_total_pages = HS_PAGE_TOTAL-1; + } + + if ((hs_header->page_code + 1) <= mhba->hba_total_pages) { + hs_header->page_code++; + if (hs_header->page_code != HS_PAGE_FIRM_CAP) { + mvumi_hs_build_page(mhba, hs_header); + HS_SET_STATE(hs_fun, HS_S_SEND_PAGE); + } else + HS_SET_STATE(hs_fun, HS_S_QUERY_PAGE); + } else + HS_SET_STATE(hs_fun, HS_S_END); + + HS_SET_STATUS(hs_fun, HS_STATUS_OK); + iowrite32(hs_fun, regs + CPU_PCIEA_TO_ARM_MSG0); + iowrite32(DRBL_HANDSHAKE, regs + CPU_PCIEA_TO_ARM_DRBL_REG); + break; + + case HS_S_END: + /* Set communication list ISR */ + tmp = ioread32(regs + CPU_ENPOINTA_MASK_REG); + tmp |= INT_MAP_COMAOUT | INT_MAP_COMAERR; + iowrite32(tmp, regs + CPU_ENPOINTA_MASK_REG); + iowrite32(mhba->list_num_io, mhba->ib_shadow); + /* Set InBound List Avaliable count shadow */ + iowrite32(lower_32_bits(mhba->ib_shadow_phys), + regs + CLA_INB_AVAL_COUNT_BASEL); + iowrite32(upper_32_bits(mhba->ib_shadow_phys), + regs + CLA_INB_AVAL_COUNT_BASEH); + + /* Set OutBound List Avaliable count shadow */ + iowrite32((mhba->list_num_io-1) | CL_POINTER_TOGGLE, + mhba->ob_shadow); + iowrite32(lower_32_bits(mhba->ob_shadow_phys), regs + 0x5B0); + iowrite32(upper_32_bits(mhba->ob_shadow_phys), regs + 0x5B4); + + mhba->ib_cur_slot = (mhba->list_num_io - 1) | CL_POINTER_TOGGLE; + mhba->ob_cur_slot = (mhba->list_num_io - 1) | CL_POINTER_TOGGLE; + mhba->fw_state = FW_STATE_STARTED; + + break; + default: + dev_err(&mhba->pdev->dev, "unknown handshake state [0x%x].\n", + hs_state); + return -1; + } + return 0; +} + +static unsigned char mvumi_handshake_event(struct mvumi_hba *mhba) +{ + unsigned int isr_status; + unsigned long before; + + before = jiffies; + mvumi_handshake(mhba); + do { + isr_status = mhba->instancet->read_fw_status_reg(mhba->mmio); + + if (mhba->fw_state == FW_STATE_STARTED) + return 0; + if (time_after(jiffies, before + FW_MAX_DELAY * HZ)) { + dev_err(&mhba->pdev->dev, + "no handshake response at state 0x%x.\n", + mhba->fw_state); + dev_err(&mhba->pdev->dev, + "isr : global=0x%x,status=0x%x.\n", + mhba->global_isr, isr_status); + return -1; + } + rmb(); + usleep_range(1000, 2000); + } while (!(isr_status & DRBL_HANDSHAKE_ISR)); + + return 0; +} + +static unsigned char mvumi_check_handshake(struct mvumi_hba *mhba) +{ + void *regs = mhba->mmio; + unsigned int tmp; + unsigned long before; + + before = jiffies; + tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG1); + while ((tmp != HANDSHAKE_READYSTATE) && (tmp != HANDSHAKE_DONESTATE)) { + if (tmp != HANDSHAKE_READYSTATE) + iowrite32(DRBL_MU_RESET, + regs + CPU_PCIEA_TO_ARM_DRBL_REG); + if (time_after(jiffies, before + FW_MAX_DELAY * HZ)) { + dev_err(&mhba->pdev->dev, + "invalid signature [0x%x].\n", tmp); + return -1; + } + usleep_range(1000, 2000); + rmb(); + tmp = ioread32(regs + CPU_ARM_TO_PCIEA_MSG1); + } + + mhba->fw_state = FW_STATE_STARTING; + dev_dbg(&mhba->pdev->dev, "start firmware handshake...\n"); + do { + if (mvumi_handshake_event(mhba)) { + dev_err(&mhba->pdev->dev, + "handshake failed at state 0x%x.\n", + mhba->fw_state); + return -1; + } + } while (mhba->fw_state != FW_STATE_STARTED); + + dev_dbg(&mhba->pdev->dev, "firmware handshake done\n"); + + return 0; +} + +static unsigned char mvumi_start(struct mvumi_hba *mhba) +{ + void *regs = mhba->mmio; + unsigned int tmp; + /* clear Door bell */ + tmp = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG); + iowrite32(tmp, regs + CPU_ARM_TO_PCIEA_DRBL_REG); + + iowrite32(0x3FFFFFFF, regs + CPU_ARM_TO_PCIEA_MASK_REG); + tmp = ioread32(regs + CPU_ENPOINTA_MASK_REG) | INT_MAP_DL_CPU2PCIEA; + iowrite32(tmp, regs + CPU_ENPOINTA_MASK_REG); + if (mvumi_check_handshake(mhba)) + return -1; + + return 0; +} + +/** + * mvumi_complete_cmd - Completes a command + * @mhba: Adapter soft state + * @cmd: Command to be completed + */ +static void mvumi_complete_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd, + struct mvumi_rsp_frame *ob_frame) +{ + struct scsi_cmnd *scmd = cmd->scmd; + + cmd->scmd->SCp.ptr = NULL; + scmd->result = ob_frame->req_status; + + switch (ob_frame->req_status) { + case SAM_STAT_GOOD: + scmd->result |= DID_OK << 16; + break; + case SAM_STAT_BUSY: + scmd->result |= DID_BUS_BUSY << 16; + break; + case SAM_STAT_CHECK_CONDITION: + scmd->result |= (DID_OK << 16); + if (ob_frame->rsp_flag & CL_RSP_FLAG_SENSEDATA) { + memcpy(cmd->scmd->sense_buffer, ob_frame->payload, + sizeof(struct mvumi_sense_data)); + scmd->result |= (DRIVER_SENSE << 24); + } + break; + default: + scmd->result |= (DRIVER_INVALID << 24) | (DID_ABORT << 16); + break; + } + + if (scsi_bufflen(scmd)) { + if (scsi_sg_count(scmd)) { + pci_unmap_sg(mhba->pdev, + scsi_sglist(scmd), + scsi_sg_count(scmd), + (int) scmd->sc_data_direction); + } else { + pci_unmap_single(mhba->pdev, + scmd->SCp.dma_handle, + scsi_bufflen(scmd), + (int) scmd->sc_data_direction); + + scmd->SCp.dma_handle = 0; + } + } + cmd->scmd->scsi_done(scmd); + mvumi_return_cmd(mhba, cmd); +} +static void mvumi_complete_internal_cmd(struct mvumi_hba *mhba, + struct mvumi_cmd *cmd, + struct mvumi_rsp_frame *ob_frame) +{ + if (atomic_read(&cmd->sync_cmd)) { + cmd->cmd_status = ob_frame->req_status; + + if ((ob_frame->req_status == SAM_STAT_CHECK_CONDITION) && + (ob_frame->rsp_flag & CL_RSP_FLAG_SENSEDATA) && + cmd->data_buf) { + memcpy(cmd->data_buf, ob_frame->payload, + sizeof(struct mvumi_sense_data)); + } + atomic_dec(&cmd->sync_cmd); + wake_up(&mhba->int_cmd_wait_q); + } +} + +static void mvumi_show_event(struct mvumi_hba *mhba, + struct mvumi_driver_event *ptr) +{ + unsigned int i; + + dev_warn(&mhba->pdev->dev, + "Event[0x%x] id[0x%x] severity[0x%x] device id[0x%x]\n", + ptr->sequence_no, ptr->event_id, ptr->severity, ptr->device_id); + if (ptr->param_count) { + printk(KERN_WARNING "Event param(len 0x%x): ", + ptr->param_count); + for (i = 0; i < ptr->param_count; i++) + printk(KERN_WARNING "0x%x ", ptr->params[i]); + + printk(KERN_WARNING "\n"); + } + + if (ptr->sense_data_length) { + printk(KERN_WARNING "Event sense data(len 0x%x): ", + ptr->sense_data_length); + for (i = 0; i < ptr->sense_data_length; i++) + printk(KERN_WARNING "0x%x ", ptr->sense_data[i]); + printk(KERN_WARNING "\n"); + } +} + +static void mvumi_notification(struct mvumi_hba *mhba, u8 msg, void *buffer) +{ + if (msg == APICDB1_EVENT_GETEVENT) { + int i, count; + struct mvumi_driver_event *param = NULL; + struct mvumi_event_req *er = buffer; + count = er->count; + if (count > MAX_EVENTS_RETURNED) { + dev_err(&mhba->pdev->dev, "event count[0x%x] is bigger" + " than max event count[0x%x].\n", + count, MAX_EVENTS_RETURNED); + return; + } + for (i = 0; i < count; i++) { + param = &er->events[i]; + mvumi_show_event(mhba, param); + } + } +} + +static int mvumi_get_event(struct mvumi_hba *mhba, unsigned char msg) +{ + struct mvumi_cmd *cmd; + struct mvumi_msg_frame *frame; + + cmd = mvumi_create_internal_cmd(mhba, 512); + if (!cmd) + return -1; + cmd->scmd = NULL; + cmd->cmd_status = REQ_STATUS_PENDING; + atomic_set(&cmd->sync_cmd, 0); + frame = cmd->frame; + frame->device_id = 0; + frame->cmd_flag = CMD_FLAG_DATA_IN; + frame->req_function = CL_FUN_SCSI_CMD; + frame->cdb_length = MAX_COMMAND_SIZE; + frame->data_transfer_length = sizeof(struct mvumi_event_req); + memset(frame->cdb, 0, MAX_COMMAND_SIZE); + frame->cdb[0] = APICDB0_EVENT; + frame->cdb[1] = msg; + mvumi_issue_blocked_cmd(mhba, cmd); + + if (cmd->cmd_status != SAM_STAT_GOOD) + dev_err(&mhba->pdev->dev, "get event failed, status=0x%x.\n", + cmd->cmd_status); + else + mvumi_notification(mhba, cmd->frame->cdb[1], cmd->data_buf); + + mvumi_delete_internal_cmd(mhba, cmd); + return 0; +} + +static void mvumi_scan_events(struct work_struct *work) +{ + struct mvumi_events_wq *mu_ev = + container_of(work, struct mvumi_events_wq, work_q); + + mvumi_get_event(mu_ev->mhba, mu_ev->event); + kfree(mu_ev); +} + +static void mvumi_launch_events(struct mvumi_hba *mhba, u8 msg) +{ + struct mvumi_events_wq *mu_ev; + + mu_ev = kzalloc(sizeof(*mu_ev), GFP_ATOMIC); + if (mu_ev) { + INIT_WORK(&mu_ev->work_q, mvumi_scan_events); + mu_ev->mhba = mhba; + mu_ev->event = msg; + mu_ev->param = NULL; + schedule_work(&mu_ev->work_q); + } +} + +static void mvumi_handle_clob(struct mvumi_hba *mhba) +{ + struct mvumi_rsp_frame *ob_frame; + struct mvumi_cmd *cmd; + struct mvumi_ob_data *pool; + + while (!list_empty(&mhba->free_ob_list)) { + pool = list_first_entry(&mhba->free_ob_list, + struct mvumi_ob_data, list); + list_del_init(&pool->list); + list_add_tail(&pool->list, &mhba->ob_data_list); + + ob_frame = (struct mvumi_rsp_frame *) &pool->data[0]; + cmd = mhba->tag_cmd[ob_frame->tag]; + + atomic_dec(&mhba->fw_outstanding); + mhba->tag_cmd[ob_frame->tag] = 0; + tag_release_one(mhba, &mhba->tag_pool, ob_frame->tag); + if (cmd->scmd) + mvumi_complete_cmd(mhba, cmd, ob_frame); + else + mvumi_complete_internal_cmd(mhba, cmd, ob_frame); + } + mhba->instancet->fire_cmd(mhba, NULL); +} + +static irqreturn_t mvumi_isr_handler(int irq, void *devp) +{ + struct mvumi_hba *mhba = (struct mvumi_hba *) devp; + unsigned long flags; + + spin_lock_irqsave(mhba->shost->host_lock, flags); + if (unlikely(mhba->instancet->clear_intr(mhba) || !mhba->global_isr)) { + spin_unlock_irqrestore(mhba->shost->host_lock, flags); + return IRQ_NONE; + } + + if (mhba->global_isr & INT_MAP_DL_CPU2PCIEA) { + if (mhba->isr_status & DRBL_HANDSHAKE_ISR) { + dev_warn(&mhba->pdev->dev, "enter handshake again!\n"); + mvumi_handshake(mhba); + } + if (mhba->isr_status & DRBL_EVENT_NOTIFY) + mvumi_launch_events(mhba, APICDB1_EVENT_GETEVENT); + } + + if (mhba->global_isr & INT_MAP_COMAOUT) + mvumi_receive_ob_list_entry(mhba); + + mhba->global_isr = 0; + mhba->isr_status = 0; + if (mhba->fw_state == FW_STATE_STARTED) + mvumi_handle_clob(mhba); + spin_unlock_irqrestore(mhba->shost->host_lock, flags); + return IRQ_HANDLED; +} + +static enum mvumi_qc_result mvumi_send_command(struct mvumi_hba *mhba, + struct mvumi_cmd *cmd) +{ + void *ib_entry; + struct mvumi_msg_frame *ib_frame; + unsigned int frame_len; + + ib_frame = cmd->frame; + if (unlikely(mhba->fw_state != FW_STATE_STARTED)) { + dev_dbg(&mhba->pdev->dev, "firmware not ready.\n"); + return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE; + } + if (tag_is_empty(&mhba->tag_pool)) { + dev_dbg(&mhba->pdev->dev, "no free tag.\n"); + return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE; + } + if (mvumi_get_ib_list_entry(mhba, &ib_entry)) + return MV_QUEUE_COMMAND_RESULT_NO_RESOURCE; + + cmd->frame->tag = tag_get_one(mhba, &mhba->tag_pool); + cmd->frame->request_id = mhba->io_seq++; + cmd->request_id = cmd->frame->request_id; + mhba->tag_cmd[cmd->frame->tag] = cmd; + frame_len = sizeof(*ib_frame) - 4 + + ib_frame->sg_counts * sizeof(struct mvumi_sgl); + memcpy(ib_entry, ib_frame, frame_len); + return MV_QUEUE_COMMAND_RESULT_SENT; +} + +static void mvumi_fire_cmd(struct mvumi_hba *mhba, struct mvumi_cmd *cmd) +{ + unsigned short num_of_cl_sent = 0; + enum mvumi_qc_result result; + + if (cmd) + list_add_tail(&cmd->queue_pointer, &mhba->waiting_req_list); + + while (!list_empty(&mhba->waiting_req_list)) { + cmd = list_first_entry(&mhba->waiting_req_list, + struct mvumi_cmd, queue_pointer); + list_del_init(&cmd->queue_pointer); + result = mvumi_send_command(mhba, cmd); + switch (result) { + case MV_QUEUE_COMMAND_RESULT_SENT: + num_of_cl_sent++; + break; + case MV_QUEUE_COMMAND_RESULT_NO_RESOURCE: + list_add(&cmd->queue_pointer, &mhba->waiting_req_list); + if (num_of_cl_sent > 0) + mvumi_send_ib_list_entry(mhba); + + return; + } + } + if (num_of_cl_sent > 0) + mvumi_send_ib_list_entry(mhba); +} + +/** + * mvumi_enable_intr - Enables interrupts + * @regs: FW register set + */ +static void mvumi_enable_intr(void *regs) +{ + unsigned int mask; + + iowrite32(0x3FFFFFFF, regs + CPU_ARM_TO_PCIEA_MASK_REG); + mask = ioread32(regs + CPU_ENPOINTA_MASK_REG); + mask |= INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAOUT | INT_MAP_COMAERR; + iowrite32(mask, regs + CPU_ENPOINTA_MASK_REG); +} + +/** + * mvumi_disable_intr -Disables interrupt + * @regs: FW register set + */ +static void mvumi_disable_intr(void *regs) +{ + unsigned int mask; + + iowrite32(0, regs + CPU_ARM_TO_PCIEA_MASK_REG); + mask = ioread32(regs + CPU_ENPOINTA_MASK_REG); + mask &= ~(INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAOUT | INT_MAP_COMAERR); + iowrite32(mask, regs + CPU_ENPOINTA_MASK_REG); +} + +static int mvumi_clear_intr(void *extend) +{ + struct mvumi_hba *mhba = (struct mvumi_hba *) extend; + unsigned int status, isr_status = 0, tmp = 0; + void *regs = mhba->mmio; + + status = ioread32(regs + CPU_MAIN_INT_CAUSE_REG); + if (!(status & INT_MAP_MU) || status == 0xFFFFFFFF) + return 1; + if (unlikely(status & INT_MAP_COMAERR)) { + tmp = ioread32(regs + CLA_ISR_CAUSE); + if (tmp & (CLIC_IN_ERR_IRQ | CLIC_OUT_ERR_IRQ)) + iowrite32(tmp & (CLIC_IN_ERR_IRQ | CLIC_OUT_ERR_IRQ), + regs + CLA_ISR_CAUSE); + status ^= INT_MAP_COMAERR; + /* inbound or outbound parity error, command will timeout */ + } + if (status & INT_MAP_COMAOUT) { + tmp = ioread32(regs + CLA_ISR_CAUSE); + if (tmp & CLIC_OUT_IRQ) + iowrite32(tmp & CLIC_OUT_IRQ, regs + CLA_ISR_CAUSE); + } + if (status & INT_MAP_DL_CPU2PCIEA) { + isr_status = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG); + if (isr_status) + iowrite32(isr_status, regs + CPU_ARM_TO_PCIEA_DRBL_REG); + } + + mhba->global_isr = status; + mhba->isr_status = isr_status; + + return 0; +} + +/** + * mvumi_read_fw_status_reg - returns the current FW status value + * @regs: FW register set + */ +static unsigned int mvumi_read_fw_status_reg(void *regs) +{ + unsigned int status; + + status = ioread32(regs + CPU_ARM_TO_PCIEA_DRBL_REG); + if (status) + iowrite32(status, regs + CPU_ARM_TO_PCIEA_DRBL_REG); + return status; +} + +static struct mvumi_instance_template mvumi_instance_template = { + .fire_cmd = mvumi_fire_cmd, + .enable_intr = mvumi_enable_intr, + .disable_intr = mvumi_disable_intr, + .clear_intr = mvumi_clear_intr, + .read_fw_status_reg = mvumi_read_fw_status_reg, +}; + +static int mvumi_slave_configure(struct scsi_device *sdev) +{ + struct mvumi_hba *mhba; + unsigned char bitcount = sizeof(unsigned char) * 8; + + mhba = (struct mvumi_hba *) sdev->host->hostdata; + if (sdev->id >= mhba->max_target_id) + return -EINVAL; + + mhba->target_map[sdev->id / bitcount] |= (1 << (sdev->id % bitcount)); + return 0; +} + +/** + * mvumi_build_frame - Prepares a direct cdb (DCDB) command + * @mhba: Adapter soft state + * @scmd: SCSI command + * @cmd: Command to be prepared in + * + * This function prepares CDB commands. These are typcially pass-through + * commands to the devices. + */ +static unsigned char mvumi_build_frame(struct mvumi_hba *mhba, + struct scsi_cmnd *scmd, struct mvumi_cmd *cmd) +{ + struct mvumi_msg_frame *pframe; + + cmd->scmd = scmd; + cmd->cmd_status = REQ_STATUS_PENDING; + pframe = cmd->frame; + pframe->device_id = ((unsigned short) scmd->device->id) | + (((unsigned short) scmd->device->lun) << 8); + pframe->cmd_flag = 0; + + switch (scmd->sc_data_direction) { + case DMA_NONE: + pframe->cmd_flag |= CMD_FLAG_NON_DATA; + break; + case DMA_FROM_DEVICE: + pframe->cmd_flag |= CMD_FLAG_DATA_IN; + break; + case DMA_TO_DEVICE: + pframe->cmd_flag |= CMD_FLAG_DATA_OUT; + break; + case DMA_BIDIRECTIONAL: + default: + dev_warn(&mhba->pdev->dev, "unexpected data direction[%d] " + "cmd[0x%x]\n", scmd->sc_data_direction, scmd->cmnd[0]); + goto error; + } + + pframe->cdb_length = scmd->cmd_len; + memcpy(pframe->cdb, scmd->cmnd, pframe->cdb_length); + pframe->req_function = CL_FUN_SCSI_CMD; + if (scsi_bufflen(scmd)) { + if (mvumi_make_sgl(mhba, scmd, &pframe->payload[0], + &pframe->sg_counts)) + goto error; + + pframe->data_transfer_length = scsi_bufflen(scmd); + } else { + pframe->sg_counts = 0; + pframe->data_transfer_length = 0; + } + return 0; + +error: + scmd->result = (DID_OK << 16) | (DRIVER_SENSE << 24) | + SAM_STAT_CHECK_CONDITION; + scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x24, + 0); + return -1; +} + +/** + * mvumi_queue_command - Queue entry point + * @scmd: SCSI command to be queued + * @done: Callback entry point + */ +static int mvumi_queue_command(struct Scsi_Host *shost, + struct scsi_cmnd *scmd) +{ + struct mvumi_cmd *cmd; + struct mvumi_hba *mhba; + unsigned long irq_flags; + + spin_lock_irqsave(shost->host_lock, irq_flags); + scsi_cmd_get_serial(shost, scmd); + + mhba = (struct mvumi_hba *) shost->hostdata; + scmd->result = 0; + cmd = mvumi_get_cmd(mhba); + if (unlikely(!cmd)) { + spin_unlock_irqrestore(shost->host_lock, irq_flags); + return SCSI_MLQUEUE_HOST_BUSY; + } + + if (unlikely(mvumi_build_frame(mhba, scmd, cmd))) + goto out_return_cmd; + + cmd->scmd = scmd; + scmd->SCp.ptr = (char *) cmd; + mhba->instancet->fire_cmd(mhba, cmd); + spin_unlock_irqrestore(shost->host_lock, irq_flags); + return 0; + +out_return_cmd: + mvumi_return_cmd(mhba, cmd); + scmd->scsi_done(scmd); + spin_unlock_irqrestore(shost->host_lock, irq_flags); + return 0; +} + +static enum blk_eh_timer_return mvumi_timed_out(struct scsi_cmnd *scmd) +{ + struct mvumi_cmd *cmd = (struct mvumi_cmd *) scmd->SCp.ptr; + struct Scsi_Host *host = scmd->device->host; + struct mvumi_hba *mhba = shost_priv(host); + unsigned long flags; + + spin_lock_irqsave(mhba->shost->host_lock, flags); + + if (mhba->tag_cmd[cmd->frame->tag]) { + mhba->tag_cmd[cmd->frame->tag] = 0; + tag_release_one(mhba, &mhba->tag_pool, cmd->frame->tag); + } + if (!list_empty(&cmd->queue_pointer)) + list_del_init(&cmd->queue_pointer); + else + atomic_dec(&mhba->fw_outstanding); + + scmd->result = (DRIVER_INVALID << 24) | (DID_ABORT << 16); + scmd->SCp.ptr = NULL; + if (scsi_bufflen(scmd)) { + if (scsi_sg_count(scmd)) { + pci_unmap_sg(mhba->pdev, + scsi_sglist(scmd), + scsi_sg_count(scmd), + (int)scmd->sc_data_direction); + } else { + pci_unmap_single(mhba->pdev, + scmd->SCp.dma_handle, + scsi_bufflen(scmd), + (int)scmd->sc_data_direction); + + scmd->SCp.dma_handle = 0; + } + } + mvumi_return_cmd(mhba, cmd); + spin_unlock_irqrestore(mhba->shost->host_lock, flags); + + return BLK_EH_NOT_HANDLED; +} + +static int +mvumi_bios_param(struct scsi_device *sdev, struct block_device *bdev, + sector_t capacity, int geom[]) +{ + int heads, sectors; + sector_t cylinders; + unsigned long tmp; + + heads = 64; + sectors = 32; + tmp = heads * sectors; + cylinders = capacity; + sector_div(cylinders, tmp); + + if (capacity >= 0x200000) { + heads = 255; + sectors = 63; + tmp = heads * sectors; + cylinders = capacity; + sector_div(cylinders, tmp); + } + geom[0] = heads; + geom[1] = sectors; + geom[2] = cylinders; + + return 0; +} + +static struct scsi_host_template mvumi_template = { + + .module = THIS_MODULE, + .name = "Marvell Storage Controller", + .slave_configure = mvumi_slave_configure, + .queuecommand = mvumi_queue_command, + .eh_host_reset_handler = mvumi_host_reset, + .bios_param = mvumi_bios_param, + .this_id = -1, +}; + +static struct scsi_transport_template mvumi_transport_template = { + .eh_timed_out = mvumi_timed_out, +}; + +/** + * mvumi_init_fw - Initializes the FW + * @mhba: Adapter soft state + * + * This is the main function for initializing firmware. + */ +static int mvumi_init_fw(struct mvumi_hba *mhba) +{ + int ret = 0; + + if (pci_request_regions(mhba->pdev, MV_DRIVER_NAME)) { + dev_err(&mhba->pdev->dev, "IO memory region busy!\n"); + return -EBUSY; + } + ret = mvumi_map_pci_addr(mhba->pdev, mhba->base_addr); + if (ret) + goto fail_ioremap; + + mhba->mmio = mhba->base_addr[0]; + + switch (mhba->pdev->device) { + case PCI_DEVICE_ID_MARVELL_MV9143: + mhba->instancet = &mvumi_instance_template; + mhba->io_seq = 0; + mhba->max_sge = MVUMI_MAX_SG_ENTRY; + mhba->request_id_enabled = 1; + break; + default: + dev_err(&mhba->pdev->dev, "device 0x%x not supported!\n", + mhba->pdev->device); + mhba->instancet = NULL; + ret = -EINVAL; + goto fail_alloc_mem; + } + dev_dbg(&mhba->pdev->dev, "device id : %04X is found.\n", + mhba->pdev->device); + + mhba->handshake_page = kzalloc(HSP_MAX_SIZE, GFP_KERNEL); + if (!mhba->handshake_page) { + dev_err(&mhba->pdev->dev, + "failed to allocate memory for handshake\n"); + ret = -ENOMEM; + goto fail_alloc_mem; + } + mhba->handshake_page_phys = virt_to_phys(mhba->handshake_page); + + if (mvumi_start(mhba)) { + ret = -EINVAL; + goto fail_ready_state; + } + ret = mvumi_alloc_cmds(mhba); + if (ret) + goto fail_ready_state; + + return 0; + +fail_ready_state: + mvumi_release_mem_resource(mhba); + kfree(mhba->handshake_page); +fail_alloc_mem: + mvumi_unmap_pci_addr(mhba->pdev, mhba->base_addr); +fail_ioremap: + pci_release_regions(mhba->pdev); + + return ret; +} + +/** + * mvumi_io_attach - Attaches this driver to SCSI mid-layer + * @mhba: Adapter soft state + */ +static int mvumi_io_attach(struct mvumi_hba *mhba) +{ + struct Scsi_Host *host = mhba->shost; + int ret; + unsigned int max_sg = (mhba->ib_max_size + 4 - + sizeof(struct mvumi_msg_frame)) / sizeof(struct mvumi_sgl); + + host->irq = mhba->pdev->irq; + host->unique_id = mhba->unique_id; + host->can_queue = (mhba->max_io - 1) ? (mhba->max_io - 1) : 1; + host->sg_tablesize = mhba->max_sge > max_sg ? max_sg : mhba->max_sge; + host->max_sectors = mhba->max_transfer_size / 512; + host->cmd_per_lun = (mhba->max_io - 1) ? (mhba->max_io - 1) : 1; + host->max_id = mhba->max_target_id; + host->max_cmd_len = MAX_COMMAND_SIZE; + host->transportt = &mvumi_transport_template; + + ret = scsi_add_host(host, &mhba->pdev->dev); + if (ret) { + dev_err(&mhba->pdev->dev, "scsi_add_host failed\n"); + return ret; + } + mhba->fw_flag |= MVUMI_FW_ATTACH; + scsi_scan_host(host); + + return 0; +} + +/** + * mvumi_probe_one - PCI hotplug entry point + * @pdev: PCI device structure + * @id: PCI ids of supported hotplugged adapter + */ +static int __devinit mvumi_probe_one(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + struct Scsi_Host *host; + struct mvumi_hba *mhba; + int ret; + + dev_dbg(&pdev->dev, " %#4.04x:%#4.04x:%#4.04x:%#4.04x: ", + pdev->vendor, pdev->device, pdev->subsystem_vendor, + pdev->subsystem_device); + + ret = pci_enable_device(pdev); + if (ret) + return ret; + + pci_set_master(pdev); + + if (IS_DMA64) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + if (ret) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (ret) + goto fail_set_dma_mask; + } + } else { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (ret) + goto fail_set_dma_mask; + } + + host = scsi_host_alloc(&mvumi_template, sizeof(*mhba)); + if (!host) { + dev_err(&pdev->dev, "scsi_host_alloc failed\n"); + ret = -ENOMEM; + goto fail_alloc_instance; + } + mhba = shost_priv(host); + + INIT_LIST_HEAD(&mhba->cmd_pool); + INIT_LIST_HEAD(&mhba->ob_data_list); + INIT_LIST_HEAD(&mhba->free_ob_list); + INIT_LIST_HEAD(&mhba->res_list); + INIT_LIST_HEAD(&mhba->waiting_req_list); + atomic_set(&mhba->fw_outstanding, 0); + init_waitqueue_head(&mhba->int_cmd_wait_q); + + mhba->pdev = pdev; + mhba->shost = host; + mhba->unique_id = pdev->bus->number << 8 | pdev->devfn; + + ret = mvumi_init_fw(mhba); + if (ret) + goto fail_init_fw; + + ret = request_irq(mhba->pdev->irq, mvumi_isr_handler, IRQF_SHARED, + "mvumi", mhba); + if (ret) { + dev_err(&pdev->dev, "failed to register IRQ\n"); + goto fail_init_irq; + } + mhba->instancet->enable_intr(mhba->mmio); + pci_set_drvdata(pdev, mhba); + + ret = mvumi_io_attach(mhba); + if (ret) + goto fail_io_attach; + dev_dbg(&pdev->dev, "probe mvumi driver successfully.\n"); + + return 0; + +fail_io_attach: + pci_set_drvdata(pdev, NULL); + mhba->instancet->disable_intr(mhba->mmio); + free_irq(mhba->pdev->irq, mhba); +fail_init_irq: + mvumi_release_fw(mhba); +fail_init_fw: + scsi_host_put(host); + +fail_alloc_instance: +fail_set_dma_mask: + pci_disable_device(pdev); + + return ret; +} + +static void mvumi_detach_one(struct pci_dev *pdev) +{ + struct Scsi_Host *host; + struct mvumi_hba *mhba; + + mhba = pci_get_drvdata(pdev); + host = mhba->shost; + scsi_remove_host(mhba->shost); + mvumi_flush_cache(mhba); + + mhba->instancet->disable_intr(mhba->mmio); + free_irq(mhba->pdev->irq, mhba); + mvumi_release_fw(mhba); + scsi_host_put(host); + pci_set_drvdata(pdev, NULL); + pci_disable_device(pdev); + dev_dbg(&pdev->dev, "driver is removed!\n"); +} + +/** + * mvumi_shutdown - Shutdown entry point + * @device: Generic device structure + */ +static void mvumi_shutdown(struct pci_dev *pdev) +{ + struct mvumi_hba *mhba = pci_get_drvdata(pdev); + + mvumi_flush_cache(mhba); +} + +static int mvumi_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct mvumi_hba *mhba = NULL; + + mhba = pci_get_drvdata(pdev); + mvumi_flush_cache(mhba); + + pci_set_drvdata(pdev, mhba); + mhba->instancet->disable_intr(mhba->mmio); + free_irq(mhba->pdev->irq, mhba); + mvumi_unmap_pci_addr(pdev, mhba->base_addr); + pci_release_regions(pdev); + pci_save_state(pdev); + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +static int mvumi_resume(struct pci_dev *pdev) +{ + int ret; + struct mvumi_hba *mhba = NULL; + + mhba = pci_get_drvdata(pdev); + + pci_set_power_state(pdev, PCI_D0); + pci_enable_wake(pdev, PCI_D0, 0); + pci_restore_state(pdev); + + ret = pci_enable_device(pdev); + if (ret) { + dev_err(&pdev->dev, "enable device failed\n"); + return ret; + } + pci_set_master(pdev); + if (IS_DMA64) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + if (ret) { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (ret) + goto fail; + } + } else { + ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (ret) + goto fail; + } + ret = pci_request_regions(mhba->pdev, MV_DRIVER_NAME); + if (ret) + goto fail; + ret = mvumi_map_pci_addr(mhba->pdev, mhba->base_addr); + if (ret) + goto release_regions; + + mhba->mmio = mhba->base_addr[0]; + mvumi_reset(mhba->mmio); + + if (mvumi_start(mhba)) { + ret = -EINVAL; + goto unmap_pci_addr; + } + + ret = request_irq(mhba->pdev->irq, mvumi_isr_handler, IRQF_SHARED, + "mvumi", mhba); + if (ret) { + dev_err(&pdev->dev, "failed to register IRQ\n"); + goto unmap_pci_addr; + } + mhba->instancet->enable_intr(mhba->mmio); + + return 0; + +unmap_pci_addr: + mvumi_unmap_pci_addr(pdev, mhba->base_addr); +release_regions: + pci_release_regions(pdev); +fail: + pci_disable_device(pdev); + + return ret; +} + +static struct pci_driver mvumi_pci_driver = { + + .name = MV_DRIVER_NAME, + .id_table = mvumi_pci_table, + .probe = mvumi_probe_one, + .remove = __devexit_p(mvumi_detach_one), + .shutdown = mvumi_shutdown, +#ifdef CONFIG_PM + .suspend = mvumi_suspend, + .resume = mvumi_resume, +#endif +}; + +/** + * mvumi_init - Driver load entry point + */ +static int __init mvumi_init(void) +{ + return pci_register_driver(&mvumi_pci_driver); +} + +/** + * mvumi_exit - Driver unload entry point + */ +static void __exit mvumi_exit(void) +{ + + pci_unregister_driver(&mvumi_pci_driver); +} + +module_init(mvumi_init); +module_exit(mvumi_exit); diff --git a/drivers/scsi/mvumi.h b/drivers/scsi/mvumi.h new file mode 100644 index 0000000..10b9237 --- /dev/null +++ b/drivers/scsi/mvumi.h @@ -0,0 +1,505 @@ +/* + * Marvell UMI head file + * + * Copyright 2011 Marvell. + * + * This file is licensed under GPLv2. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of the + * License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ + +#ifndef MVUMI_H +#define MVUMI_H + +#define MAX_BASE_ADDRESS 6 + +#define VER_MAJOR 1 +#define VER_MINOR 1 +#define VER_OEM 0 +#define VER_BUILD 1500 + +#define MV_DRIVER_NAME "mvumi" +#define PCI_VENDOR_ID_MARVELL_2 0x1b4b +#define PCI_DEVICE_ID_MARVELL_MV9143 0x9143 + +#define MVUMI_INTERNAL_CMD_WAIT_TIME 45 + +#define IS_DMA64 (sizeof(dma_addr_t) == 8) + +enum mvumi_qc_result { + MV_QUEUE_COMMAND_RESULT_SENT = 0, + MV_QUEUE_COMMAND_RESULT_NO_RESOURCE, +}; + +enum { + /*******************************************/ + + /* ARM Mbus Registers Map */ + + /*******************************************/ + CPU_MAIN_INT_CAUSE_REG = 0x20200, + CPU_MAIN_IRQ_MASK_REG = 0x20204, + CPU_MAIN_FIQ_MASK_REG = 0x20208, + CPU_ENPOINTA_MASK_REG = 0x2020C, + CPU_ENPOINTB_MASK_REG = 0x20210, + + INT_MAP_COMAERR = 1 << 6, + INT_MAP_COMAIN = 1 << 7, + INT_MAP_COMAOUT = 1 << 8, + INT_MAP_COMBERR = 1 << 9, + INT_MAP_COMBIN = 1 << 10, + INT_MAP_COMBOUT = 1 << 11, + + INT_MAP_COMAINT = (INT_MAP_COMAOUT | INT_MAP_COMAERR), + INT_MAP_COMBINT = (INT_MAP_COMBOUT | INT_MAP_COMBIN | INT_MAP_COMBERR), + + INT_MAP_DL_PCIEA2CPU = 1 << 0, + INT_MAP_DL_CPU2PCIEA = 1 << 1, + + /***************************************/ + + /* ARM Doorbell Registers Map */ + + /***************************************/ + CPU_PCIEA_TO_ARM_DRBL_REG = 0x20400, + CPU_PCIEA_TO_ARM_MASK_REG = 0x20404, + CPU_ARM_TO_PCIEA_DRBL_REG = 0x20408, + CPU_ARM_TO_PCIEA_MASK_REG = 0x2040C, + + DRBL_HANDSHAKE = 1 << 0, + DRBL_SOFT_RESET = 1 << 1, + DRBL_BUS_CHANGE = 1 << 2, + DRBL_EVENT_NOTIFY = 1 << 3, + DRBL_MU_RESET = 1 << 4, + DRBL_HANDSHAKE_ISR = DRBL_HANDSHAKE, + + CPU_PCIEA_TO_ARM_MSG0 = 0x20430, + CPU_PCIEA_TO_ARM_MSG1 = 0x20434, + CPU_ARM_TO_PCIEA_MSG0 = 0x20438, + CPU_ARM_TO_PCIEA_MSG1 = 0x2043C, + + /*******************************************/ + + /* ARM Communication List Registers Map */ + + /*******************************************/ + CLA_INB_LIST_BASEL = 0x500, + CLA_INB_LIST_BASEH = 0x504, + CLA_INB_AVAL_COUNT_BASEL = 0x508, + CLA_INB_AVAL_COUNT_BASEH = 0x50C, + CLA_INB_DESTI_LIST_BASEL = 0x510, + CLA_INB_DESTI_LIST_BASEH = 0x514, + CLA_INB_WRITE_POINTER = 0x518, + CLA_INB_READ_POINTER = 0x51C, + + CLA_OUTB_LIST_BASEL = 0x530, + CLA_OUTB_LIST_BASEH = 0x534, + CLA_OUTB_SOURCE_LIST_BASEL = 0x538, + CLA_OUTB_SOURCE_LIST_BASEH = 0x53C, + CLA_OUTB_COPY_POINTER = 0x544, + CLA_OUTB_READ_POINTER = 0x548, + + CLA_ISR_CAUSE = 0x560, + CLA_ISR_MASK = 0x564, + + INT_MAP_MU = (INT_MAP_DL_CPU2PCIEA | INT_MAP_COMAINT), + + CL_POINTER_TOGGLE = 1 << 12, + + CLIC_IN_IRQ = 1 << 0, + CLIC_OUT_IRQ = 1 << 1, + CLIC_IN_ERR_IRQ = 1 << 8, + CLIC_OUT_ERR_IRQ = 1 << 12, + + CL_SLOT_NUM_MASK = 0xFFF, + + /* + * Command flag is the flag for the CDB command itself + */ + /* 1-non data; 0-data command */ + CMD_FLAG_NON_DATA = 1 << 0, + CMD_FLAG_DMA = 1 << 1, + CMD_FLAG_PIO = 1 << 2, + /* 1-host read data */ + CMD_FLAG_DATA_IN = 1 << 3, + /* 1-host write data */ + CMD_FLAG_DATA_OUT = 1 << 4, + + SCSI_CMD_MARVELL_SPECIFIC = 0xE1, + CDB_CORE_SHUTDOWN = 0xB, +}; + +#define APICDB0_EVENT 0xF4 +#define APICDB1_EVENT_GETEVENT 0 +#define MAX_EVENTS_RETURNED 6 + +struct mvumi_driver_event { + u32 time_stamp; + u32 sequence_no; + u32 event_id; + u8 severity; + u8 param_count; + u16 device_id; + u32 params[4]; + u8 sense_data_length; + u8 Reserved1; + u8 sense_data[30]; +}; + +struct mvumi_event_req { + unsigned char count; + unsigned char reserved[3]; + struct mvumi_driver_event events[MAX_EVENTS_RETURNED]; +}; + +struct mvumi_events_wq { + struct work_struct work_q; + struct mvumi_hba *mhba; + unsigned int event; + void *param; +}; + +#define MVUMI_MAX_SG_ENTRY 32 +#define SGD_EOT (1L << 27) + +struct mvumi_sgl { + u32 baseaddr_l; + u32 baseaddr_h; + u32 flags; + u32 size; +}; + +struct mvumi_res { + struct list_head entry; + dma_addr_t bus_addr; + void *virt_addr; + unsigned int size; + unsigned short type; /* enum Resource_Type */ +}; + +/* Resource type */ +enum resource_type { + RESOURCE_CACHED_MEMORY = 0, + RESOURCE_UNCACHED_MEMORY +}; + +struct mvumi_sense_data { + u8 error_eode:7; + u8 valid:1; + u8 segment_number; + u8 sense_key:4; + u8 reserved:1; + u8 incorrect_length:1; + u8 end_of_media:1; + u8 file_mark:1; + u8 information[4]; + u8 additional_sense_length; + u8 command_specific_information[4]; + u8 additional_sense_code; + u8 additional_sense_code_qualifier; + u8 field_replaceable_unit_code; + u8 sense_key_specific[3]; +}; + +/* Request initiator must set the status to REQ_STATUS_PENDING. */ +#define REQ_STATUS_PENDING 0x80 + +struct mvumi_cmd { + struct list_head queue_pointer; + struct mvumi_msg_frame *frame; + struct scsi_cmnd *scmd; + atomic_t sync_cmd; + void *data_buf; + unsigned short request_id; + unsigned char cmd_status; +}; + +/* + * the function type of the in bound frame + */ +#define CL_FUN_SCSI_CMD 0x1 + +struct mvumi_msg_frame { + u16 device_id; + u16 tag; + u8 cmd_flag; + u8 req_function; + u8 cdb_length; + u8 sg_counts; + u32 data_transfer_length; + u16 request_id; + u16 reserved1; + u8 cdb[MAX_COMMAND_SIZE]; + u32 payload[1]; +}; + +/* + * the respond flag for data_payload of the out bound frame + */ +#define CL_RSP_FLAG_NODATA 0x0 +#define CL_RSP_FLAG_SENSEDATA 0x1 + +struct mvumi_rsp_frame { + u16 device_id; + u16 tag; + u8 req_status; + u8 rsp_flag; /* Indicates the type of Data_Payload.*/ + u16 request_id; + u32 payload[1]; +}; + +struct mvumi_ob_data { + struct list_head list; + unsigned char data[0]; +}; + +struct version_info { + u32 ver_major; + u32 ver_minor; + u32 ver_oem; + u32 ver_build; +}; + +#define FW_MAX_DELAY 30 +#define MVUMI_FW_BUSY (1U << 0) +#define MVUMI_FW_ATTACH (1U << 1) +#define MVUMI_FW_ALLOC (1U << 2) + +/* + * State is the state of the MU + */ +#define FW_STATE_IDLE 0 +#define FW_STATE_STARTING 1 +#define FW_STATE_HANDSHAKING 2 +#define FW_STATE_STARTED 3 +#define FW_STATE_ABORT 4 + +#define HANDSHAKE_SIGNATURE 0x5A5A5A5AL +#define HANDSHAKE_READYSTATE 0x55AA5AA5L +#define HANDSHAKE_DONESTATE 0x55AAA55AL + +/* HandShake Status definition */ +#define HS_STATUS_OK 1 +#define HS_STATUS_ERR 2 +#define HS_STATUS_INVALID 3 + +/* HandShake State/Cmd definition */ +#define HS_S_START 1 +#define HS_S_RESET 2 +#define HS_S_PAGE_ADDR 3 +#define HS_S_QUERY_PAGE 4 +#define HS_S_SEND_PAGE 5 +#define HS_S_END 6 +#define HS_S_ABORT 7 +#define HS_PAGE_VERIFY_SIZE 128 + +#define HS_GET_STATE(a) (a & 0xFFFF) +#define HS_GET_STATUS(a) ((a & 0xFFFF0000) >> 16) +#define HS_SET_STATE(a, b) (a |= (b & 0xFFFF)) +#define HS_SET_STATUS(a, b) (a |= ((b & 0xFFFF) << 16)) + +/* handshake frame */ +struct mvumi_hs_frame { + u16 size; + /* host information */ + u8 host_type; + u8 reserved_1[1]; + struct version_info host_ver; /* bios or driver version */ + + /* controller information */ + u32 system_io_bus; + u32 slot_number; + u32 intr_level; + u32 intr_vector; + + /* communication list configuration */ + u32 ib_baseaddr_l; + u32 ib_baseaddr_h; + u32 ob_baseaddr_l; + u32 ob_baseaddr_h; + + u8 ib_entry_size; + u8 ob_entry_size; + u8 ob_depth; + u8 ib_depth; + + /* system time */ + u64 seconds_since1970; +}; + +struct mvumi_hs_header { + u8 page_code; + u8 checksum; + u16 frame_length; + u32 frame_content[1]; +}; + +/* + * the page code type of the handshake header + */ +#define HS_PAGE_FIRM_CAP 0x1 +#define HS_PAGE_HOST_INFO 0x2 +#define HS_PAGE_FIRM_CTL 0x3 +#define HS_PAGE_CL_INFO 0x4 +#define HS_PAGE_TOTAL 0x5 + +#define HSP_SIZE(i) sizeof(struct mvumi_hs_page##i) + +#define HSP_MAX_SIZE ({ \ + int size, m1, m2; \ + m1 = max(HSP_SIZE(1), HSP_SIZE(3)); \ + m2 = max(HSP_SIZE(2), HSP_SIZE(4)); \ + size = max(m1, m2); \ + size; \ +}) + +/* The format of the page code for Firmware capability */ +struct mvumi_hs_page1 { + u8 pagecode; + u8 checksum; + u16 frame_length; + + u16 number_of_ports; + u16 max_devices_support; + u16 max_io_support; + u16 umi_ver; + u32 max_transfer_size; + struct version_info fw_ver; + u8 cl_in_max_entry_size; + u8 cl_out_max_entry_size; + u8 cl_inout_list_depth; + u8 total_pages; + u16 capability; + u16 reserved1; +}; + +/* The format of the page code for Host information */ +struct mvumi_hs_page2 { + u8 pagecode; + u8 checksum; + u16 frame_length; + + u8 host_type; + u8 reserved[3]; + struct version_info host_ver; + u32 system_io_bus; + u32 slot_number; + u32 intr_level; + u32 intr_vector; + u64 seconds_since1970; +}; + +/* The format of the page code for firmware control */ +struct mvumi_hs_page3 { + u8 pagecode; + u8 checksum; + u16 frame_length; + u16 control; + u8 reserved[2]; + u32 host_bufferaddr_l; + u32 host_bufferaddr_h; + u32 host_eventaddr_l; + u32 host_eventaddr_h; +}; + +struct mvumi_hs_page4 { + u8 pagecode; + u8 checksum; + u16 frame_length; + u32 ib_baseaddr_l; + u32 ib_baseaddr_h; + u32 ob_baseaddr_l; + u32 ob_baseaddr_h; + u8 ib_entry_size; + u8 ob_entry_size; + u8 ob_depth; + u8 ib_depth; +}; + +struct mvumi_tag { + unsigned short *stack; + unsigned short top; + unsigned short size; +}; + +struct mvumi_hba { + void *base_addr[MAX_BASE_ADDRESS]; + void *mmio; + struct list_head cmd_pool; + struct Scsi_Host *shost; + wait_queue_head_t int_cmd_wait_q; + struct pci_dev *pdev; + unsigned int unique_id; + atomic_t fw_outstanding; + struct mvumi_instance_template *instancet; + + void *ib_list; + dma_addr_t ib_list_phys; + + void *ob_list; + dma_addr_t ob_list_phys; + + void *ib_shadow; + dma_addr_t ib_shadow_phys; + + void *ob_shadow; + dma_addr_t ob_shadow_phys; + + void *handshake_page; + dma_addr_t handshake_page_phys; + + unsigned int global_isr; + unsigned int isr_status; + + unsigned short max_sge; + unsigned short max_target_id; + unsigned char *target_map; + unsigned int max_io; + unsigned int list_num_io; + unsigned int ib_max_size; + unsigned int ob_max_size; + unsigned int ib_max_size_setting; + unsigned int ob_max_size_setting; + unsigned int max_transfer_size; + unsigned char hba_total_pages; + unsigned char fw_flag; + unsigned char request_id_enabled; + unsigned short hba_capability; + unsigned short io_seq; + + unsigned int ib_cur_slot; + unsigned int ob_cur_slot; + unsigned int fw_state; + + struct list_head ob_data_list; + struct list_head free_ob_list; + struct list_head res_list; + struct list_head waiting_req_list; + + struct mvumi_tag tag_pool; + struct mvumi_cmd **tag_cmd; +}; + +struct mvumi_instance_template { + void (*fire_cmd)(struct mvumi_hba *, struct mvumi_cmd *); + void (*enable_intr)(void *) ; + void (*disable_intr)(void *); + int (*clear_intr)(void *); + unsigned int (*read_fw_status_reg)(void *); +}; + +extern struct timezone sys_tz; +#endif diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 6ae059e..7dbbf8b 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -669,30 +669,6 @@ int pm8001_dev_found(struct domain_device *dev) return pm8001_dev_found_notify(dev); } -/** - * pm8001_alloc_task - allocate a task structure for TMF - */ -static struct sas_task *pm8001_alloc_task(void) -{ - struct sas_task *task = kzalloc(sizeof(*task), GFP_KERNEL); - if (task) { - INIT_LIST_HEAD(&task->list); - spin_lock_init(&task->task_state_lock); - task->task_state_flags = SAS_TASK_STATE_PENDING; - init_timer(&task->timer); - init_completion(&task->completion); - } - return task; -} - -static void pm8001_free_task(struct sas_task *task) -{ - if (task) { - BUG_ON(!list_empty(&task->list)); - kfree(task); - } -} - static void pm8001_task_done(struct sas_task *task) { if (!del_timer(&task->timer)) @@ -728,7 +704,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); for (retry = 0; retry < 3; retry++) { - task = pm8001_alloc_task(); + task = sas_alloc_task(GFP_KERNEL); if (!task) return -ENOMEM; @@ -789,14 +765,13 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, SAS_ADDR(dev->sas_addr), task->task_status.resp, task->task_status.stat)); - pm8001_free_task(task); + sas_free_task(task); task = NULL; } } ex_err: BUG_ON(retry == 3 && task != NULL); - if (task != NULL) - pm8001_free_task(task); + sas_free_task(task); return res; } @@ -811,7 +786,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, struct sas_task *task = NULL; for (retry = 0; retry < 3; retry++) { - task = pm8001_alloc_task(); + task = sas_alloc_task(GFP_KERNEL); if (!task) return -ENOMEM; @@ -864,14 +839,13 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, SAS_ADDR(dev->sas_addr), task->task_status.resp, task->task_status.stat)); - pm8001_free_task(task); + sas_free_task(task); task = NULL; } } ex_err: BUG_ON(retry == 3 && task != NULL); - if (task != NULL) - pm8001_free_task(task); + sas_free_task(task); return res; } diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index a31e05f..ac326c4 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -23,11 +23,23 @@ qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj, struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj, struct device, kobj))); struct qla_hw_data *ha = vha->hw; + int rval = 0; if (ha->fw_dump_reading == 0) return 0; - return memory_read_from_buffer(buf, count, &off, ha->fw_dump, + if (IS_QLA82XX(ha)) { + if (off < ha->md_template_size) { + rval = memory_read_from_buffer(buf, count, + &off, ha->md_tmplt_hdr, ha->md_template_size); + return rval; + } + off -= ha->md_template_size; + rval = memory_read_from_buffer(buf, count, + &off, ha->md_dump, ha->md_dump_size); + return rval; + } else + return memory_read_from_buffer(buf, count, &off, ha->fw_dump, ha->fw_dump_len); } @@ -41,12 +53,6 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj, struct qla_hw_data *ha = vha->hw; int reading; - if (IS_QLA82XX(ha)) { - ql_dbg(ql_dbg_user, vha, 0x705b, - "Firmware dump not supported for ISP82xx\n"); - return count; - } - if (off != 0) return (0); @@ -59,6 +65,10 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj, ql_log(ql_log_info, vha, 0x705d, "Firmware dump cleared on (%ld).\n", vha->host_no); + if (IS_QLA82XX(vha->hw)) { + qla82xx_md_free(vha); + qla82xx_md_prep(vha); + } ha->fw_dump_reading = 0; ha->fw_dumped = 0; break; @@ -75,10 +85,29 @@ qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj, qla2x00_alloc_fw_dump(vha); break; case 3: - qla2x00_system_error(vha); + if (IS_QLA82XX(ha)) { + qla82xx_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla82xx_idc_unlock(ha); + } else + qla2x00_system_error(vha); + break; + case 4: + if (IS_QLA82XX(ha)) { + if (ha->md_tmplt_hdr) + ql_dbg(ql_dbg_user, vha, 0x705b, + "MiniDump supported with this firmware.\n"); + else + ql_dbg(ql_dbg_user, vha, 0x709d, + "MiniDump not supported with this firmware.\n"); + } + break; + case 5: + if (IS_QLA82XX(ha)) + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; } - return (count); + return -EINVAL; } static struct bin_attribute sysfs_fw_dump_attr = { @@ -122,7 +151,7 @@ qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj, if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size || !ha->isp_ops->write_nvram) - return 0; + return -EINVAL; /* Checksum NVRAM. */ if (IS_FWI2_CAPABLE(ha)) { @@ -165,7 +194,7 @@ qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj, qla2xxx_wake_dpc(vha); qla2x00_wait_for_chip_reset(vha); - return (count); + return count; } static struct bin_attribute sysfs_nvram_attr = { @@ -239,10 +268,10 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, int val, valid; if (off) - return 0; + return -EINVAL; if (unlikely(pci_channel_offline(ha->pdev))) - return 0; + return -EAGAIN; if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1) return -EINVAL; @@ -253,7 +282,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, case 0: if (ha->optrom_state != QLA_SREADING && ha->optrom_state != QLA_SWRITING) - break; + return -EINVAL; ha->optrom_state = QLA_SWAITING; @@ -266,7 +295,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, break; case 1: if (ha->optrom_state != QLA_SWAITING) - break; + return -EINVAL; ha->optrom_region_start = start; ha->optrom_region_size = start + size > ha->optrom_size ? @@ -280,7 +309,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, "(%x).\n", ha->optrom_region_size); ha->optrom_state = QLA_SWAITING; - return count; + return -ENOMEM; } if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { @@ -299,7 +328,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, break; case 2: if (ha->optrom_state != QLA_SWAITING) - break; + return -EINVAL; /* * We need to be more restrictive on which FLASH regions are @@ -347,7 +376,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, "(%x)\n", ha->optrom_region_size); ha->optrom_state = QLA_SWAITING; - return count; + return -ENOMEM; } ql_dbg(ql_dbg_user, vha, 0x7067, @@ -358,7 +387,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, break; case 3: if (ha->optrom_state != QLA_SWRITING) - break; + return -ENOMEM; if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x7068, @@ -374,7 +403,7 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, ha->optrom_region_start, ha->optrom_region_size); break; default: - count = -EINVAL; + return -EINVAL; } return count; } @@ -398,10 +427,10 @@ qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj, struct qla_hw_data *ha = vha->hw; if (unlikely(pci_channel_offline(ha->pdev))) - return 0; + return -EAGAIN; if (!capable(CAP_SYS_ADMIN)) - return 0; + return -EINVAL; if (IS_NOCACHE_VPD_TYPE(ha)) ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2, @@ -438,17 +467,17 @@ qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj, /* Update flash version information for 4Gb & above. */ if (!IS_FWI2_CAPABLE(ha)) - goto done; + return -EINVAL; tmp_data = vmalloc(256); if (!tmp_data) { ql_log(ql_log_warn, vha, 0x706b, "Unable to allocate memory for VPD information update.\n"); - goto done; + return -ENOMEM; } ha->isp_ops->get_flash_version(vha, tmp_data); vfree(tmp_data); -done: + return count; } @@ -505,8 +534,7 @@ do_read: "Unable to read SFP data (%x/%x/%x).\n", rval, addr, offset); - count = 0; - break; + return -EIO; } memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE); buf += SFP_BLOCK_SIZE; @@ -536,7 +564,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, int type; if (off != 0) - return 0; + return -EINVAL; type = simple_strtol(buf, NULL, 10); switch (type) { @@ -546,13 +574,18 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, scsi_block_requests(vha->host); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + if (IS_QLA82XX(ha)) { + qla82xx_idc_lock(ha); + qla82xx_set_reset_owner(vha); + qla82xx_idc_unlock(ha); + } qla2xxx_wake_dpc(vha); qla2x00_wait_for_chip_reset(vha); scsi_unblock_requests(vha->host); break; case 0x2025d: if (!IS_QLA81XX(ha)) - break; + return -EPERM; ql_log(ql_log_info, vha, 0x706f, "Issuing MPI reset.\n"); @@ -571,7 +604,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj, if (!IS_QLA82XX(ha) || vha != base_vha) { ql_log(ql_log_info, vha, 0x7071, "FCoE ctx reset no supported.\n"); - return count; + return -EPERM; } ql_log(ql_log_info, vha, 0x7072, @@ -607,7 +640,7 @@ qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj, ha->edc_data_len = 0; if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8) - return 0; + return -EINVAL; if (!ha->edc_data) { ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, @@ -615,7 +648,7 @@ qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj, if (!ha->edc_data) { ql_log(ql_log_warn, vha, 0x7073, "Unable to allocate memory for EDC write.\n"); - return 0; + return -ENOMEM; } } @@ -634,9 +667,9 @@ qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj, dev, adr, len, opt); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x7074, - "Unable to write EDC (%x) %02x:%04x:%02x:%02x\n", + "Unable to write EDC (%x) %02x:%04x:%02x:%02hhx\n", rval, dev, adr, opt, len, buf[8]); - return 0; + return -EIO; } return count; @@ -665,7 +698,7 @@ qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj, ha->edc_data_len = 0; if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8) - return 0; + return -EINVAL; if (!ha->edc_data) { ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, @@ -673,7 +706,7 @@ qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj, if (!ha->edc_data) { ql_log(ql_log_warn, vha, 0x708c, "Unable to allocate memory for EDC status.\n"); - return 0; + return -ENOMEM; } } @@ -693,7 +726,7 @@ qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj, ql_log(ql_log_info, vha, 0x7075, "Unable to write EDC status (%x) %02x:%04x:%02x.\n", rval, dev, adr, opt, len); - return 0; + return -EIO; } ha->edc_data_len = len; @@ -805,7 +838,7 @@ qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj, if (!ha->dcbx_tlv) { ql_log(ql_log_warn, vha, 0x7078, "Unable to allocate memory for DCBX TLV read-data.\n"); - return 0; + return -ENOMEM; } do_read: @@ -817,7 +850,7 @@ do_read: if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x7079, "Unable to read DCBX TLV (%x).\n", rval); - count = 0; + return -EIO; } memcpy(buf, ha->dcbx_tlv, count); diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 07d1767..8b641a8 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -704,6 +704,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; if ((ha->current_topology == ISP_CFG_F || + (atomic_read(&vha->loop_state) == LOOP_DOWN) || (IS_QLA81XX(ha) && le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE && req_data_len == MAX_ELS_FRAME_PAYLOAD)) && @@ -1447,6 +1448,148 @@ qla2x00_update_optrom(struct fc_bsg_job *bsg_job) } static int +qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + struct qla_hw_data *ha = vha->hw; + int rval = 0; + uint8_t bsg[DMA_POOL_SIZE]; + struct qla_image_version_list *list = (void *)bsg; + struct qla_image_version *image; + uint32_t count; + dma_addr_t sfp_dma; + void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma); + if (!sfp) { + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + EXT_STATUS_NO_MEMORY; + goto done; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, list, sizeof(bsg)); + + image = list->version; + count = list->count; + while (count--) { + memcpy(sfp, &image->field_info, sizeof(image->field_info)); + rval = qla2x00_write_sfp(vha, sfp_dma, sfp, + image->field_address.device, image->field_address.offset, + sizeof(image->field_info), image->field_address.option); + if (rval) { + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + EXT_STATUS_MAILBOX; + goto dealloc; + } + image++; + } + + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0; + +dealloc: + dma_pool_free(ha->s_dma_pool, sfp, sfp_dma); + +done: + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + + return 0; +} + +static int +qla2x00_read_fru_status(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + struct qla_hw_data *ha = vha->hw; + int rval = 0; + uint8_t bsg[DMA_POOL_SIZE]; + struct qla_status_reg *sr = (void *)bsg; + dma_addr_t sfp_dma; + uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma); + if (!sfp) { + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + EXT_STATUS_NO_MEMORY; + goto done; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, sr, sizeof(*sr)); + + rval = qla2x00_read_sfp(vha, sfp_dma, sfp, + sr->field_address.device, sr->field_address.offset, + sizeof(sr->status_reg), sr->field_address.option); + sr->status_reg = *sfp; + + if (rval) { + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + EXT_STATUS_MAILBOX; + goto dealloc; + } + + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr)); + + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0; + +dealloc: + dma_pool_free(ha->s_dma_pool, sfp, sfp_dma); + +done: + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + bsg_job->reply->reply_payload_rcv_len = sizeof(*sr); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + + return 0; +} + +static int +qla2x00_write_fru_status(struct fc_bsg_job *bsg_job) +{ + struct Scsi_Host *host = bsg_job->shost; + scsi_qla_host_t *vha = shost_priv(host); + struct qla_hw_data *ha = vha->hw; + int rval = 0; + uint8_t bsg[DMA_POOL_SIZE]; + struct qla_status_reg *sr = (void *)bsg; + dma_addr_t sfp_dma; + uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma); + if (!sfp) { + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + EXT_STATUS_NO_MEMORY; + goto done; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, sr, sizeof(*sr)); + + *sfp = sr->status_reg; + rval = qla2x00_write_sfp(vha, sfp_dma, sfp, + sr->field_address.device, sr->field_address.offset, + sizeof(sr->status_reg), sr->field_address.option); + + if (rval) { + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = + EXT_STATUS_MAILBOX; + goto dealloc; + } + + bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0; + +dealloc: + dma_pool_free(ha->s_dma_pool, sfp, sfp_dma); + +done: + bsg_job->reply_len = sizeof(struct fc_bsg_reply); + bsg_job->reply->result = DID_OK << 16; + bsg_job->job_done(bsg_job); + + return 0; +} + +static int qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) { switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) { @@ -1474,6 +1617,15 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job) case QL_VND_UPDATE_FLASH: return qla2x00_update_optrom(bsg_job); + case QL_VND_SET_FRU_VERSION: + return qla2x00_update_fru_versions(bsg_job); + + case QL_VND_READ_FRU_STATUS: + return qla2x00_read_fru_status(bsg_job); + + case QL_VND_WRITE_FRU_STATUS: + return qla2x00_write_fru_status(bsg_job); + default: bsg_job->reply->result = (DID_ERROR << 16); bsg_job->job_done(bsg_job); diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h index 0f0f54e..70caa63 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.h +++ b/drivers/scsi/qla2xxx/qla_bsg.h @@ -16,6 +16,16 @@ #define QL_VND_FCP_PRIO_CFG_CMD 0x06 #define QL_VND_READ_FLASH 0x07 #define QL_VND_UPDATE_FLASH 0x08 +#define QL_VND_SET_FRU_VERSION 0x0B +#define QL_VND_READ_FRU_STATUS 0x0C +#define QL_VND_WRITE_FRU_STATUS 0x0D + +/* BSG Vendor specific subcode returns */ +#define EXT_STATUS_OK 0 +#define EXT_STATUS_ERR 1 +#define EXT_STATUS_INVALID_PARAM 6 +#define EXT_STATUS_MAILBOX 11 +#define EXT_STATUS_NO_MEMORY 17 /* BSG definations for interpreting CommandSent field */ #define INT_DEF_LB_LOOPBACK_CMD 0 @@ -141,4 +151,36 @@ struct qla_port_param { uint16_t mode; uint16_t speed; } __attribute__ ((packed)); + + +/* FRU VPD */ + +#define MAX_FRU_SIZE 36 + +struct qla_field_address { + uint16_t offset; + uint16_t device; + uint16_t option; +} __packed; + +struct qla_field_info { + uint8_t version[MAX_FRU_SIZE]; +} __packed; + +struct qla_image_version { + struct qla_field_address field_address; + struct qla_field_info field_info; +} __packed; + +struct qla_image_version_list { + uint32_t count; + struct qla_image_version version[0]; +} __packed; + +struct qla_status_reg { + struct qla_field_address field_address; + uint8_t status_reg; + uint8_t reserved[7]; +} __packed; + #endif diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index d79cd8a..9df4787 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -12,7 +12,7 @@ * | Level | Last Value Used | Holes | * ---------------------------------------------------------------------- * | Module Init and Probe | 0x0116 | | - * | Mailbox commands | 0x1126 | | + * | Mailbox commands | 0x1129 | | * | Device Discovery | 0x2083 | | * | Queue Command and IO tracing | 0x302e | 0x3008 | * | DPC Thread | 0x401c | | @@ -22,7 +22,7 @@ * | Task Management | 0x8041 | | * | AER/EEH | 0x900f | | * | Virtual Port | 0xa007 | | - * | ISP82XX Specific | 0xb04f | | + * | ISP82XX Specific | 0xb051 | | * | MultiQ | 0xc00b | | * | Misc | 0xd00b | | * ---------------------------------------------------------------------- @@ -403,7 +403,7 @@ qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) return ptr + sizeof(struct qla2xxx_mq_chain); } -static void +void qla2xxx_dump_post_process(scsi_qla_host_t *vha, int rval) { struct qla_hw_data *ha = vha->hw; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index a03eaf4..fcf052c 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2438,7 +2438,8 @@ struct qla_hw_data { uint32_t quiesce_owner:1; uint32_t thermal_supported:1; uint32_t isp82xx_reset_hdlr_active:1; - /* 26 bits */ + uint32_t isp82xx_reset_owner:1; + /* 28 bits */ } flags; /* This spinlock is used to protect "io transactions", you must @@ -2822,6 +2823,12 @@ struct qla_hw_data { uint8_t fw_type; __le32 file_prd_off; /* File firmware product offset */ + + uint32_t md_template_size; + void *md_tmplt_hdr; + dma_addr_t md_tmplt_hdr_dma; + void *md_dump; + uint32_t md_dump_size; }; /* diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 29b1a3e..ce32d81 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -104,6 +104,8 @@ extern int ql2xenablehba_err_chk; extern int ql2xtargetreset; extern int ql2xdontresethba; extern unsigned int ql2xmaxlun; +extern int ql2xmdcapmask; +extern int ql2xmdenable; extern int qla2x00_loop_reset(scsi_qla_host_t *); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); @@ -407,6 +409,8 @@ extern void qla2x00_beacon_blink(struct scsi_qla_host *); extern int qla24xx_beacon_on(struct scsi_qla_host *); extern int qla24xx_beacon_off(struct scsi_qla_host *); extern void qla24xx_beacon_blink(struct scsi_qla_host *); +extern int qla82xx_beacon_on(struct scsi_qla_host *); +extern int qla82xx_beacon_off(struct scsi_qla_host *); extern uint8_t *qla2x00_read_optrom_data(struct scsi_qla_host *, uint8_t *, uint32_t, uint32_t); @@ -442,6 +446,7 @@ extern void qla2x00_dump_buffer_zipped(uint8_t *, uint32_t); extern void ql_dump_regs(uint32_t, scsi_qla_host_t *, int32_t); extern void ql_dump_buffer(uint32_t, scsi_qla_host_t *, int32_t, uint8_t *, uint32_t); +extern void qla2xxx_dump_post_process(scsi_qla_host_t *, int); /* * Global Function Prototypes in qla_gs.c source file. @@ -569,7 +574,10 @@ extern int qla82xx_mbx_intr_enable(scsi_qla_host_t *); extern int qla82xx_mbx_intr_disable(scsi_qla_host_t *); extern void qla82xx_start_iocbs(srb_t *); extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *); +extern int qla82xx_check_md_needed(scsi_qla_host_t *); extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *); +extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int); +extern char *qdev_state(uint32_t); /* BSG related functions */ extern int qla24xx_bsg_request(struct fc_bsg_job *); @@ -579,4 +587,14 @@ extern int qla2x00_issue_iocb_timeout(scsi_qla_host_t *, void *, dma_addr_t, size_t, uint32_t); extern int qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t *, uint16_t *); + +/* Minidump related functions */ +extern int qla82xx_md_get_template_size(scsi_qla_host_t *); +extern int qla82xx_md_get_template(scsi_qla_host_t *); +extern int qla82xx_md_alloc(scsi_qla_host_t *); +extern void qla82xx_md_free(scsi_qla_host_t *); +extern int qla82xx_md_collect(scsi_qla_host_t *); +extern void qla82xx_md_prep(scsi_qla_host_t *); +extern void qla82xx_set_reset_owner(scsi_qla_host_t *); + #endif /* _QLA_GBL_H */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 37da04d..f03e915f 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1480,13 +1480,19 @@ qla2x00_setup_chip(scsi_qla_host_t *vha) if (rval == QLA_SUCCESS) { enable_82xx_npiv: fw_major_version = ha->fw_major_version; - rval = qla2x00_get_fw_version(vha, - &ha->fw_major_version, - &ha->fw_minor_version, - &ha->fw_subminor_version, - &ha->fw_attributes, &ha->fw_memory_size, - ha->mpi_version, &ha->mpi_capabilities, - ha->phy_version); + if (IS_QLA82XX(ha)) + qla82xx_check_md_needed(vha); + else { + rval = qla2x00_get_fw_version(vha, + &ha->fw_major_version, + &ha->fw_minor_version, + &ha->fw_subminor_version, + &ha->fw_attributes, + &ha->fw_memory_size, + ha->mpi_version, + &ha->mpi_capabilities, + ha->phy_version); + } if (rval != QLA_SUCCESS) goto failed; ha->flags.npiv_supported = 0; @@ -1503,10 +1509,8 @@ enable_82xx_npiv: &ha->fw_xcb_count, NULL, NULL, &ha->max_npiv_vports, NULL); - if (!fw_major_version && ql2xallocfwdump) { - if (!IS_QLA82XX(ha)) - qla2x00_alloc_fw_dump(vha); - } + if (!fw_major_version && ql2xallocfwdump) + qla2x00_alloc_fw_dump(vha); } } else { ql_log(ql_log_fatal, vha, 0x00cd, @@ -1924,7 +1928,7 @@ qla2x00_fw_ready(scsi_qla_host_t *vha) rval = qla84xx_init_chip(vha); if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, - vha, 0x8043, + vha, 0x8026, "Init chip failed.\n"); break; } @@ -1933,7 +1937,7 @@ qla2x00_fw_ready(scsi_qla_host_t *vha) cs84xx_time = jiffies - cs84xx_time; wtime += cs84xx_time; mtime += cs84xx_time; - ql_dbg(ql_dbg_taskm, vha, 0x8042, + ql_dbg(ql_dbg_taskm, vha, 0x8025, "Increasing wait time by %ld. " "New time %ld.\n", cs84xx_time, wtime); @@ -5443,11 +5447,7 @@ qla82xx_restart_isp(scsi_qla_host_t *vha) clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); /* Update the firmware version */ - qla2x00_get_fw_version(vha, &ha->fw_major_version, - &ha->fw_minor_version, &ha->fw_subminor_version, - &ha->fw_attributes, &ha->fw_memory_size, - ha->mpi_version, &ha->mpi_capabilities, - ha->phy_version); + status = qla82xx_check_md_needed(vha); if (ha->fce) { ha->flags.fce_enabled = 1; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 646fc52..156530f 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2060,6 +2060,11 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha, case ELS_IOCB_TYPE: qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); break; + case MARKER_TYPE: + /* Do nothing in this case, this check is to prevent it + * from falling into default case + */ + break; default: /* Type Not Supported. */ ql_dbg(ql_dbg_async, vha, 0x5042, diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index f7604ea..3b3cec9 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -4186,3 +4186,130 @@ qla82xx_mbx_intr_disable(scsi_qla_host_t *vha) return rval; } + +int +qla82xx_md_get_template_size(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + int rval = QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx, vha, 0x111f, "Entered %s.\n", __func__); + + memset(mcp->mb, 0 , sizeof(mcp->mb)); + mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE); + mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE); + mcp->mb[2] = LSW(RQST_TMPLT_SIZE); + mcp->mb[3] = MSW(RQST_TMPLT_SIZE); + + mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8| + MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + + mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD; + mcp->tov = MBX_TOV_SECONDS; + rval = qla2x00_mailbox_command(vha, mcp); + + /* Always copy back return mailbox values. */ + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1120, + "mailbox command FAILED=0x%x, subcode=%x.\n", + (mcp->mb[1] << 16) | mcp->mb[0], + (mcp->mb[3] << 16) | mcp->mb[2]); + } else { + ql_dbg(ql_dbg_mbx, vha, 0x1121, "Done %s.\n", __func__); + ha->md_template_size = ((mcp->mb[3] << 16) | mcp->mb[2]); + if (!ha->md_template_size) { + ql_dbg(ql_dbg_mbx, vha, 0x1122, + "Null template size obtained.\n"); + rval = QLA_FUNCTION_FAILED; + } + } + return rval; +} + +int +qla82xx_md_get_template(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + int rval = QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx, vha, 0x1123, "Entered %s.\n", __func__); + + ha->md_tmplt_hdr = dma_alloc_coherent(&ha->pdev->dev, + ha->md_template_size, &ha->md_tmplt_hdr_dma, GFP_KERNEL); + if (!ha->md_tmplt_hdr) { + ql_log(ql_log_warn, vha, 0x1124, + "Unable to allocate memory for Minidump template.\n"); + return rval; + } + + memset(mcp->mb, 0 , sizeof(mcp->mb)); + mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE); + mcp->mb[1] = MSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE); + mcp->mb[2] = LSW(RQST_TMPLT); + mcp->mb[3] = MSW(RQST_TMPLT); + mcp->mb[4] = LSW(LSD(ha->md_tmplt_hdr_dma)); + mcp->mb[5] = MSW(LSD(ha->md_tmplt_hdr_dma)); + mcp->mb[6] = LSW(MSD(ha->md_tmplt_hdr_dma)); + mcp->mb[7] = MSW(MSD(ha->md_tmplt_hdr_dma)); + mcp->mb[8] = LSW(ha->md_template_size); + mcp->mb[9] = MSW(ha->md_template_size); + + mcp->flags = MBX_DMA_OUT|MBX_DMA_IN|IOCTL_CMD; + mcp->tov = MBX_TOV_SECONDS; + mcp->out_mb = MBX_11|MBX_10|MBX_9|MBX_8| + MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + mcp->in_mb = MBX_3|MBX_2|MBX_1|MBX_0; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1125, + "mailbox command FAILED=0x%x, subcode=%x.\n", + ((mcp->mb[1] << 16) | mcp->mb[0]), + ((mcp->mb[3] << 16) | mcp->mb[2])); + } else + ql_dbg(ql_dbg_mbx, vha, 0x1126, "Done %s.\n", __func__); + return rval; +} + +int +qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (!IS_QLA82XX(ha)) + return QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx, vha, 0x1127, + "Entered %s.\n", __func__); + + memset(mcp, 0, sizeof(mbx_cmd_t)); + mcp->mb[0] = MBC_SET_LED_CONFIG; + if (enable) + mcp->mb[7] = 0xE; + else + mcp->mb[7] = 0xD; + + mcp->out_mb = MBX_7|MBX_0; + mcp->in_mb = MBX_0; + mcp->tov = 30; + mcp->flags = 0; + + rval = qla2x00_mailbox_command(vha, mcp); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1128, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + } else { + ql_dbg(ql_dbg_mbx, vha, 0x1129, + "Done %s.\n", __func__); + } + + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 049807c..94bded5 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -7,6 +7,8 @@ #include "qla_def.h" #include #include +#include +#include #include #define MASK(n) ((1ULL<<(n))-1) @@ -328,7 +330,7 @@ unsigned qla82xx_crb_hub_agt[64] = { }; /* Device states */ -char *qdev_state[] = { +char *q_dev_state[] = { "Unknown", "Cold", "Initializing", @@ -339,6 +341,11 @@ char *qdev_state[] = { "Quiescent", }; +char *qdev_state(uint32_t dev_state) +{ + return q_dev_state[dev_state]; +} + /* * In: 'off' is offset from CRB space in 128M pci map * Out: 'off' is 2M pci map addr @@ -2355,9 +2362,13 @@ qla82xx_need_reset(struct qla_hw_data *ha) uint32_t drv_state; int rval; - drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); - rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); - return rval; + if (ha->flags.isp82xx_reset_owner) + return 1; + else { + drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); + rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); + return rval; + } } static inline void @@ -2374,8 +2385,8 @@ qla82xx_set_rst_ready(struct qla_hw_data *ha) drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); } drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); - ql_log(ql_log_info, vha, 0x00bb, - "drv_state = 0x%x.\n", drv_state); + ql_dbg(ql_dbg_init, vha, 0x00bb, + "drv_state = 0x%08x.\n", drv_state); qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); } @@ -2598,7 +2609,7 @@ qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); - *dsd_seg++ = cpu_to_le32(dsd_list_len); + cmd_pkt->fcp_data_dseg_len = cpu_to_le32(dsd_list_len); } else { *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); @@ -3529,6 +3540,7 @@ static void qla82xx_need_reset_handler(scsi_qla_host_t *vha) { uint32_t dev_state, drv_state, drv_active; + uint32_t active_mask = 0; unsigned long reset_timeout; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; @@ -3541,15 +3553,32 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha) qla82xx_idc_lock(ha); } - qla82xx_set_rst_ready(ha); + drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + if (!ha->flags.isp82xx_reset_owner) { + ql_dbg(ql_dbg_p3p, vha, 0xb028, + "reset_acknowledged by 0x%x\n", ha->portnum); + qla82xx_set_rst_ready(ha); + } else { + active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); + drv_active &= active_mask; + ql_dbg(ql_dbg_p3p, vha, 0xb029, + "active_mask: 0x%08x\n", active_mask); + } /* wait for 10 seconds for reset ack from all functions */ reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); - while (drv_state != drv_active) { + ql_dbg(ql_dbg_p3p, vha, 0xb02a, + "drv_state: 0x%08x, drv_active: 0x%08x, " + "dev_state: 0x%08x, active_mask: 0x%08x\n", + drv_state, drv_active, dev_state, active_mask); + + while (drv_state != drv_active && + dev_state != QLA82XX_DEV_INITIALIZING) { if (time_after_eq(jiffies, reset_timeout)) { ql_log(ql_log_warn, vha, 0x00b5, "Reset timeout.\n"); @@ -3560,23 +3589,87 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha) qla82xx_idc_lock(ha); drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); + if (ha->flags.isp82xx_reset_owner) + drv_active &= active_mask; + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); } - dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + ql_dbg(ql_dbg_p3p, vha, 0xb02b, + "drv_state: 0x%08x, drv_active: 0x%08x, " + "dev_state: 0x%08x, active_mask: 0x%08x\n", + drv_state, drv_active, dev_state, active_mask); + ql_log(ql_log_info, vha, 0x00b6, "Device state is 0x%x = %s.\n", dev_state, - dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); + dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); /* Force to DEV_COLD unless someone else is starting a reset */ - if (dev_state != QLA82XX_DEV_INITIALIZING) { + if (dev_state != QLA82XX_DEV_INITIALIZING && + dev_state != QLA82XX_DEV_COLD) { ql_log(ql_log_info, vha, 0x00b7, "HW State: COLD/RE-INIT.\n"); qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD); + if (ql2xmdenable) { + if (qla82xx_md_collect(vha)) + ql_log(ql_log_warn, vha, 0xb02c, + "Not able to collect minidump.\n"); + } else + ql_log(ql_log_warn, vha, 0xb04f, + "Minidump disabled.\n"); } } int +qla82xx_check_md_needed(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint16_t fw_major_version, fw_minor_version, fw_subminor_version; + int rval = QLA_SUCCESS; + + fw_major_version = ha->fw_major_version; + fw_minor_version = ha->fw_minor_version; + fw_subminor_version = ha->fw_subminor_version; + + rval = qla2x00_get_fw_version(vha, &ha->fw_major_version, + &ha->fw_minor_version, &ha->fw_subminor_version, + &ha->fw_attributes, &ha->fw_memory_size, + ha->mpi_version, &ha->mpi_capabilities, + ha->phy_version); + + if (rval != QLA_SUCCESS) + return rval; + + if (ql2xmdenable) { + if (!ha->fw_dumped) { + if (fw_major_version != ha->fw_major_version || + fw_minor_version != ha->fw_minor_version || + fw_subminor_version != ha->fw_subminor_version) { + + ql_log(ql_log_info, vha, 0xb02d, + "Firmware version differs " + "Previous version: %d:%d:%d - " + "New version: %d:%d:%d\n", + ha->fw_major_version, + ha->fw_minor_version, + ha->fw_subminor_version, + fw_major_version, fw_minor_version, + fw_subminor_version); + /* Release MiniDump resources */ + qla82xx_md_free(vha); + /* ALlocate MiniDump resources */ + qla82xx_md_prep(vha); + } else + ql_log(ql_log_info, vha, 0xb02e, + "Firmware dump available to retrieve\n", + vha->host_no); + } + } + return rval; +} + + +int qla82xx_check_fw_alive(scsi_qla_host_t *vha) { uint32_t fw_heartbeat_counter; @@ -3637,7 +3730,7 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) ql_log(ql_log_info, vha, 0x009b, "Device state is 0x%x = %s.\n", dev_state, - dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); + dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); /* wait for 30 seconds for device to go ready */ dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); @@ -3659,26 +3752,33 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) ql_log(ql_log_info, vha, 0x009d, "Device state is 0x%x = %s.\n", dev_state, - dev_state < MAX_STATES ? qdev_state[dev_state] : + dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); } switch (dev_state) { case QLA82XX_DEV_READY: + qla82xx_check_md_needed(vha); + ha->flags.isp82xx_reset_owner = 0; goto exit; case QLA82XX_DEV_COLD: rval = qla82xx_device_bootstrap(vha); - goto exit; + break; case QLA82XX_DEV_INITIALIZING: qla82xx_idc_unlock(ha); msleep(1000); qla82xx_idc_lock(ha); break; case QLA82XX_DEV_NEED_RESET: - if (!ql2xdontresethba) - qla82xx_need_reset_handler(vha); + if (!ql2xdontresethba) + qla82xx_need_reset_handler(vha); + else { + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + } dev_init_timeout = jiffies + - (ha->nx_dev_init_timeout * HZ); + (ha->nx_dev_init_timeout * HZ); break; case QLA82XX_DEV_NEED_QUIESCENT: qla82xx_need_qsnt_handler(vha); @@ -3791,6 +3891,28 @@ int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) return rval; } +void +qla82xx_set_reset_owner(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t dev_state; + + dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); + if (dev_state == QLA82XX_DEV_READY) { + ql_log(ql_log_info, vha, 0xb02f, + "HW State: NEED RESET\n"); + qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, + QLA82XX_DEV_NEED_RESET); + ha->flags.isp82xx_reset_owner = 1; + ql_dbg(ql_dbg_p3p, vha, 0xb030, + "reset_owner is 0x%x\n", ha->portnum); + } else + ql_log(ql_log_info, vha, 0xb031, + "Device state is 0x%x = %s.\n", + dev_state, + dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); +} + /* * qla82xx_abort_isp * Resets ISP and aborts all outstanding commands. @@ -3806,7 +3928,6 @@ qla82xx_abort_isp(scsi_qla_host_t *vha) { int rval; struct qla_hw_data *ha = vha->hw; - uint32_t dev_state; if (vha->device_flags & DFLG_DEV_FAILED) { ql_log(ql_log_warn, vha, 0x8024, @@ -3816,16 +3937,7 @@ qla82xx_abort_isp(scsi_qla_host_t *vha) ha->flags.isp82xx_reset_hdlr_active = 1; qla82xx_idc_lock(ha); - dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); - if (dev_state == QLA82XX_DEV_READY) { - ql_log(ql_log_info, vha, 0x8025, - "HW State: NEED RESET.\n"); - qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, - QLA82XX_DEV_NEED_RESET); - } else - ql_log(ql_log_info, vha, 0x8026, - "Hw State: %s.\n", dev_state < MAX_STATES ? - qdev_state[dev_state] : "Unknown"); + qla82xx_set_reset_owner(vha); qla82xx_idc_unlock(ha); rval = qla82xx_device_state_handler(vha); @@ -4016,3 +4128,803 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) } } } + +/* Minidump related functions */ +int +qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) +{ + uint32_t off_value, rval = 0; + + WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase), + (off & 0xFFFF0000)); + + /* Read back value to make sure write has gone through */ + RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); + off_value = (off & 0x0000FFFF); + + if (flag) + WRT_REG_DWORD((void *) + (off_value + CRB_INDIRECT_2M + ha->nx_pcibase), + data); + else + rval = RD_REG_DWORD((void *) + (off_value + CRB_INDIRECT_2M + ha->nx_pcibase)); + + return rval; +} + +static int +qla82xx_minidump_process_control(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + struct qla82xx_md_entry_crb *crb_entry; + uint32_t read_value, opcode, poll_time; + uint32_t addr, index, crb_addr; + unsigned long wtime; + struct qla82xx_md_template_hdr *tmplt_hdr; + uint32_t rval = QLA_SUCCESS; + int i; + + tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; + crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr; + crb_addr = crb_entry->addr; + + for (i = 0; i < crb_entry->op_count; i++) { + opcode = crb_entry->crb_ctrl.opcode; + if (opcode & QLA82XX_DBG_OPCODE_WR) { + qla82xx_md_rw_32(ha, crb_addr, + crb_entry->value_1, 1); + opcode &= ~QLA82XX_DBG_OPCODE_WR; + } + + if (opcode & QLA82XX_DBG_OPCODE_RW) { + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + qla82xx_md_rw_32(ha, crb_addr, read_value, 1); + opcode &= ~QLA82XX_DBG_OPCODE_RW; + } + + if (opcode & QLA82XX_DBG_OPCODE_AND) { + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + read_value &= crb_entry->value_2; + opcode &= ~QLA82XX_DBG_OPCODE_AND; + if (opcode & QLA82XX_DBG_OPCODE_OR) { + read_value |= crb_entry->value_3; + opcode &= ~QLA82XX_DBG_OPCODE_OR; + } + qla82xx_md_rw_32(ha, crb_addr, read_value, 1); + } + + if (opcode & QLA82XX_DBG_OPCODE_OR) { + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + read_value |= crb_entry->value_3; + qla82xx_md_rw_32(ha, crb_addr, read_value, 1); + opcode &= ~QLA82XX_DBG_OPCODE_OR; + } + + if (opcode & QLA82XX_DBG_OPCODE_POLL) { + poll_time = crb_entry->crb_strd.poll_timeout; + wtime = jiffies + poll_time; + read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); + + do { + if ((read_value & crb_entry->value_2) + == crb_entry->value_1) + break; + else if (time_after_eq(jiffies, wtime)) { + /* capturing dump failed */ + rval = QLA_FUNCTION_FAILED; + break; + } else + read_value = qla82xx_md_rw_32(ha, + crb_addr, 0, 0); + } while (1); + opcode &= ~QLA82XX_DBG_OPCODE_POLL; + } + + if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) { + if (crb_entry->crb_strd.state_index_a) { + index = crb_entry->crb_strd.state_index_a; + addr = tmplt_hdr->saved_state_array[index]; + } else + addr = crb_addr; + + read_value = qla82xx_md_rw_32(ha, addr, 0, 0); + index = crb_entry->crb_ctrl.state_index_v; + tmplt_hdr->saved_state_array[index] = read_value; + opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE; + } + + if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) { + if (crb_entry->crb_strd.state_index_a) { + index = crb_entry->crb_strd.state_index_a; + addr = tmplt_hdr->saved_state_array[index]; + } else + addr = crb_addr; + + if (crb_entry->crb_ctrl.state_index_v) { + index = crb_entry->crb_ctrl.state_index_v; + read_value = + tmplt_hdr->saved_state_array[index]; + } else + read_value = crb_entry->value_1; + + qla82xx_md_rw_32(ha, addr, read_value, 1); + opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE; + } + + if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) { + index = crb_entry->crb_ctrl.state_index_v; + read_value = tmplt_hdr->saved_state_array[index]; + read_value <<= crb_entry->crb_ctrl.shl; + read_value >>= crb_entry->crb_ctrl.shr; + if (crb_entry->value_2) + read_value &= crb_entry->value_2; + read_value |= crb_entry->value_3; + read_value += crb_entry->value_1; + tmplt_hdr->saved_state_array[index] = read_value; + opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE; + } + crb_addr += crb_entry->crb_strd.addr_stride; + } + return rval; +} + +static void +qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_stride, loop_cnt, i, r_value; + struct qla82xx_md_entry_rdocm *ocm_hdr; + uint32_t *data_ptr = *d_ptr; + + ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr; + r_addr = ocm_hdr->read_addr; + r_stride = ocm_hdr->read_addr_stride; + loop_cnt = ocm_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + r_value = RD_REG_DWORD((void *)(r_addr + ha->nx_pcibase)); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += r_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; + struct qla82xx_md_entry_mux *mux_hdr; + uint32_t *data_ptr = *d_ptr; + + mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr; + r_addr = mux_hdr->read_addr; + s_addr = mux_hdr->select_addr; + s_stride = mux_hdr->select_value_stride; + s_value = mux_hdr->select_value; + loop_cnt = mux_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, s_addr, s_value, 1); + r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); + *data_ptr++ = cpu_to_le32(s_value); + *data_ptr++ = cpu_to_le32(r_value); + s_value += s_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_stride, loop_cnt, i, r_value; + struct qla82xx_md_entry_crb *crb_hdr; + uint32_t *data_ptr = *d_ptr; + + crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr; + r_addr = crb_hdr->addr; + r_stride = crb_hdr->crb_strd.addr_stride; + loop_cnt = crb_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_addr); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += r_stride; + } + *d_ptr = data_ptr; +} + +static int +qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t addr, r_addr, c_addr, t_r_addr; + uint32_t i, k, loop_count, t_value, r_cnt, r_value; + unsigned long p_wait, w_time, p_mask; + uint32_t c_value_w, c_value_r; + struct qla82xx_md_entry_cache *cache_hdr; + int rval = QLA_FUNCTION_FAILED; + uint32_t *data_ptr = *d_ptr; + + cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; + loop_count = cache_hdr->op_count; + r_addr = cache_hdr->read_addr; + c_addr = cache_hdr->control_addr; + c_value_w = cache_hdr->cache_ctrl.write_value; + + t_r_addr = cache_hdr->tag_reg_addr; + t_value = cache_hdr->addr_ctrl.init_tag_value; + r_cnt = cache_hdr->read_ctrl.read_addr_cnt; + p_wait = cache_hdr->cache_ctrl.poll_wait; + p_mask = cache_hdr->cache_ctrl.poll_mask; + + for (i = 0; i < loop_count; i++) { + qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); + if (c_value_w) + qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); + + if (p_mask) { + w_time = jiffies + p_wait; + do { + c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0); + if ((c_value_r & p_mask) == 0) + break; + else if (time_after_eq(jiffies, w_time)) { + /* capturing dump failed */ + ql_dbg(ql_dbg_p3p, vha, 0xb032, + "c_value_r: 0x%x, poll_mask: 0x%lx, " + "w_time: 0x%lx\n", + c_value_r, p_mask, w_time); + return rval; + } + } while (1); + } + + addr = r_addr; + for (k = 0; k < r_cnt; k++) { + r_value = qla82xx_md_rw_32(ha, addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + addr += cache_hdr->read_ctrl.read_addr_stride; + } + t_value += cache_hdr->addr_ctrl.tag_value_stride; + } + *d_ptr = data_ptr; + return QLA_SUCCESS; +} + +static void +qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t addr, r_addr, c_addr, t_r_addr; + uint32_t i, k, loop_count, t_value, r_cnt, r_value; + uint32_t c_value_w; + struct qla82xx_md_entry_cache *cache_hdr; + uint32_t *data_ptr = *d_ptr; + + cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; + loop_count = cache_hdr->op_count; + r_addr = cache_hdr->read_addr; + c_addr = cache_hdr->control_addr; + c_value_w = cache_hdr->cache_ctrl.write_value; + + t_r_addr = cache_hdr->tag_reg_addr; + t_value = cache_hdr->addr_ctrl.init_tag_value; + r_cnt = cache_hdr->read_ctrl.read_addr_cnt; + + for (i = 0; i < loop_count; i++) { + qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); + qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); + addr = r_addr; + for (k = 0; k < r_cnt; k++) { + r_value = qla82xx_md_rw_32(ha, addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + addr += cache_hdr->read_ctrl.read_addr_stride; + } + t_value += cache_hdr->addr_ctrl.tag_value_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_queue(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t s_addr, r_addr; + uint32_t r_stride, r_value, r_cnt, qid = 0; + uint32_t i, k, loop_cnt; + struct qla82xx_md_entry_queue *q_hdr; + uint32_t *data_ptr = *d_ptr; + + q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr; + s_addr = q_hdr->select_addr; + r_cnt = q_hdr->rd_strd.read_addr_cnt; + r_stride = q_hdr->rd_strd.read_addr_stride; + loop_cnt = q_hdr->op_count; + + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, s_addr, qid, 1); + r_addr = q_hdr->read_addr; + for (k = 0; k < r_cnt; k++) { + r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += r_stride; + } + qid += q_hdr->q_strd.queue_id_stride; + } + *d_ptr = data_ptr; +} + +static void +qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_value; + uint32_t i, loop_cnt; + struct qla82xx_md_entry_rdrom *rom_hdr; + uint32_t *data_ptr = *d_ptr; + + rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr; + r_addr = rom_hdr->read_addr; + loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); + + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, + (r_addr & 0xFFFF0000), 1); + r_value = qla82xx_md_rw_32(ha, + MD_DIRECT_ROM_READ_BASE + + (r_addr & 0x0000FFFF), 0, 0); + *data_ptr++ = cpu_to_le32(r_value); + r_addr += sizeof(uint32_t); + } + *d_ptr = data_ptr; +} + +static int +qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) +{ + struct qla_hw_data *ha = vha->hw; + uint32_t r_addr, r_value, r_data; + uint32_t i, j, loop_cnt; + struct qla82xx_md_entry_rdmem *m_hdr; + unsigned long flags; + int rval = QLA_FUNCTION_FAILED; + uint32_t *data_ptr = *d_ptr; + + m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr; + r_addr = m_hdr->read_addr; + loop_cnt = m_hdr->read_data_size/16; + + if (r_addr & 0xf) { + ql_log(ql_log_warn, vha, 0xb033, + "Read addr 0x%x not 16 bytes alligned\n", r_addr); + return rval; + } + + if (m_hdr->read_data_size % 16) { + ql_log(ql_log_warn, vha, 0xb034, + "Read data[0x%x] not multiple of 16 bytes\n", + m_hdr->read_data_size); + return rval; + } + + ql_dbg(ql_dbg_p3p, vha, 0xb035, + "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", + __func__, r_addr, m_hdr->read_data_size, loop_cnt); + + write_lock_irqsave(&ha->hw_lock, flags); + for (i = 0; i < loop_cnt; i++) { + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1); + r_value = 0; + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1); + r_value = MIU_TA_CTL_ENABLE; + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); + r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; + qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); + + for (j = 0; j < MAX_CTL_CHECK; j++) { + r_value = qla82xx_md_rw_32(ha, + MD_MIU_TEST_AGT_CTRL, 0, 0); + if ((r_value & MIU_TA_CTL_BUSY) == 0) + break; + } + + if (j >= MAX_CTL_CHECK) { + printk_ratelimited(KERN_ERR + "failed to read through agent\n"); + write_unlock_irqrestore(&ha->hw_lock, flags); + return rval; + } + + for (j = 0; j < 4; j++) { + r_data = qla82xx_md_rw_32(ha, + MD_MIU_TEST_AGT_RDDATA[j], 0, 0); + *data_ptr++ = cpu_to_le32(r_data); + } + r_addr += 16; + } + write_unlock_irqrestore(&ha->hw_lock, flags); + *d_ptr = data_ptr; + return QLA_SUCCESS; +} + +static int +qla82xx_validate_template_chksum(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + uint64_t chksum = 0; + uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr; + int count = ha->md_template_size/sizeof(uint32_t); + + while (count-- > 0) + chksum += *d_ptr++; + while (chksum >> 32) + chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32); + return ~chksum; +} + +static void +qla82xx_mark_entry_skipped(scsi_qla_host_t *vha, + qla82xx_md_entry_hdr_t *entry_hdr, int index) +{ + entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG; + ql_dbg(ql_dbg_p3p, vha, 0xb036, + "Skipping entry[%d]: " + "ETYPE[0x%x]-ELEVEL[0x%x]\n", + index, entry_hdr->entry_type, + entry_hdr->d_ctrl.entry_capture_mask); +} + +int +qla82xx_md_collect(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int no_entry_hdr = 0; + qla82xx_md_entry_hdr_t *entry_hdr; + struct qla82xx_md_template_hdr *tmplt_hdr; + uint32_t *data_ptr; + uint32_t total_data_size = 0, f_capture_mask, data_collected = 0; + int i = 0, rval = QLA_FUNCTION_FAILED; + + tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; + data_ptr = (uint32_t *)ha->md_dump; + + if (ha->fw_dumped) { + ql_log(ql_log_info, vha, 0xb037, + "Firmware dump available to retrive\n"); + goto md_failed; + } + + ha->fw_dumped = 0; + + if (!ha->md_tmplt_hdr || !ha->md_dump) { + ql_log(ql_log_warn, vha, 0xb038, + "Memory not allocated for minidump capture\n"); + goto md_failed; + } + + if (qla82xx_validate_template_chksum(vha)) { + ql_log(ql_log_info, vha, 0xb039, + "Template checksum validation error\n"); + goto md_failed; + } + + no_entry_hdr = tmplt_hdr->num_of_entries; + ql_dbg(ql_dbg_p3p, vha, 0xb03a, + "No of entry headers in Template: 0x%x\n", no_entry_hdr); + + ql_dbg(ql_dbg_p3p, vha, 0xb03b, + "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level); + + f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF; + + /* Validate whether required debug level is set */ + if ((f_capture_mask & 0x3) != 0x3) { + ql_log(ql_log_warn, vha, 0xb03c, + "Minimum required capture mask[0x%x] level not set\n", + f_capture_mask); + goto md_failed; + } + tmplt_hdr->driver_capture_mask = ql2xmdcapmask; + + tmplt_hdr->driver_info[0] = vha->host_no; + tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) | + (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) | + QLA_DRIVER_BETA_VER; + + total_data_size = ha->md_dump_size; + + ql_dbg(ql_log_info, vha, 0xb03d, + "Total minidump data_size 0x%x to be captured\n", total_data_size); + + /* Check whether template obtained is valid */ + if (tmplt_hdr->entry_type != QLA82XX_TLHDR) { + ql_log(ql_log_warn, vha, 0xb04e, + "Bad template header entry type: 0x%x obtained\n", + tmplt_hdr->entry_type); + goto md_failed; + } + + entry_hdr = (qla82xx_md_entry_hdr_t *) \ + (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset); + + /* Walk through the entry headers */ + for (i = 0; i < no_entry_hdr; i++) { + + if (data_collected > total_data_size) { + ql_log(ql_log_warn, vha, 0xb03e, + "More MiniDump data collected: [0x%x]\n", + data_collected); + goto md_failed; + } + + if (!(entry_hdr->d_ctrl.entry_capture_mask & + ql2xmdcapmask)) { + entry_hdr->d_ctrl.driver_flags |= + QLA82XX_DBG_SKIPPED_FLAG; + ql_dbg(ql_dbg_p3p, vha, 0xb03f, + "Skipping entry[%d]: " + "ETYPE[0x%x]-ELEVEL[0x%x]\n", + i, entry_hdr->entry_type, + entry_hdr->d_ctrl.entry_capture_mask); + goto skip_nxt_entry; + } + + ql_dbg(ql_dbg_p3p, vha, 0xb040, + "[%s]: data ptr[%d]: %p, entry_hdr: %p\n" + "entry_type: 0x%x, captrue_mask: 0x%x\n", + __func__, i, data_ptr, entry_hdr, + entry_hdr->entry_type, + entry_hdr->d_ctrl.entry_capture_mask); + + ql_dbg(ql_dbg_p3p, vha, 0xb041, + "Data collected: [0x%x], Dump size left:[0x%x]\n", + data_collected, (ha->md_dump_size - data_collected)); + + /* Decode the entry type and take + * required action to capture debug data */ + switch (entry_hdr->entry_type) { + case QLA82XX_RDEND: + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + break; + case QLA82XX_CNTRL: + rval = qla82xx_minidump_process_control(vha, + entry_hdr, &data_ptr); + if (rval != QLA_SUCCESS) { + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + goto md_failed; + } + break; + case QLA82XX_RDCRB: + qla82xx_minidump_process_rdcrb(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDMEM: + rval = qla82xx_minidump_process_rdmem(vha, + entry_hdr, &data_ptr); + if (rval != QLA_SUCCESS) { + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + goto md_failed; + } + break; + case QLA82XX_BOARD: + case QLA82XX_RDROM: + qla82xx_minidump_process_rdrom(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_L2DTG: + case QLA82XX_L2ITG: + case QLA82XX_L2DAT: + case QLA82XX_L2INS: + rval = qla82xx_minidump_process_l2tag(vha, + entry_hdr, &data_ptr); + if (rval != QLA_SUCCESS) { + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + goto md_failed; + } + break; + case QLA82XX_L1DAT: + case QLA82XX_L1INS: + qla82xx_minidump_process_l1cache(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDOCM: + qla82xx_minidump_process_rdocm(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDMUX: + qla82xx_minidump_process_rdmux(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_QUEUE: + qla82xx_minidump_process_queue(vha, + entry_hdr, &data_ptr); + break; + case QLA82XX_RDNOP: + default: + qla82xx_mark_entry_skipped(vha, entry_hdr, i); + break; + } + + ql_dbg(ql_dbg_p3p, vha, 0xb042, + "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr); + + data_collected = (uint8_t *)data_ptr - + (uint8_t *)ha->md_dump; +skip_nxt_entry: + entry_hdr = (qla82xx_md_entry_hdr_t *) \ + (((uint8_t *)entry_hdr) + entry_hdr->entry_size); + } + + if (data_collected != total_data_size) { + ql_dbg(ql_log_warn, vha, 0xb043, + "MiniDump data mismatch: Data collected: [0x%x]," + "total_data_size:[0x%x]\n", + data_collected, total_data_size); + goto md_failed; + } + + ql_log(ql_log_info, vha, 0xb044, + "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n", + vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump); + ha->fw_dumped = 1; + qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); + +md_failed: + return rval; +} + +int +qla82xx_md_alloc(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int i, k; + struct qla82xx_md_template_hdr *tmplt_hdr; + + tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; + + if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) { + ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF; + ql_log(ql_log_info, vha, 0xb045, + "Forcing driver capture mask to firmware default capture mask: 0x%x.\n", + ql2xmdcapmask); + } + + for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) { + if (i & ql2xmdcapmask) + ha->md_dump_size += tmplt_hdr->capture_size_array[k]; + } + + if (ha->md_dump) { + ql_log(ql_log_warn, vha, 0xb046, + "Firmware dump previously allocated.\n"); + return 1; + } + + ha->md_dump = vmalloc(ha->md_dump_size); + if (ha->md_dump == NULL) { + ql_log(ql_log_warn, vha, 0xb047, + "Unable to allocate memory for Minidump size " + "(0x%x).\n", ha->md_dump_size); + return 1; + } + return 0; +} + +void +qla82xx_md_free(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + + /* Release the template header allocated */ + if (ha->md_tmplt_hdr) { + ql_log(ql_log_info, vha, 0xb048, + "Free MiniDump template: %p, size (%d KB)\n", + ha->md_tmplt_hdr, ha->md_template_size / 1024); + dma_free_coherent(&ha->pdev->dev, ha->md_template_size, + ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); + ha->md_tmplt_hdr = 0; + } + + /* Release the template data buffer allocated */ + if (ha->md_dump) { + ql_log(ql_log_info, vha, 0xb049, + "Free MiniDump memory: %p, size (%d KB)\n", + ha->md_dump, ha->md_dump_size / 1024); + vfree(ha->md_dump); + ha->md_dump_size = 0; + ha->md_dump = 0; + } +} + +void +qla82xx_md_prep(scsi_qla_host_t *vha) +{ + struct qla_hw_data *ha = vha->hw; + int rval; + + /* Get Minidump template size */ + rval = qla82xx_md_get_template_size(vha); + if (rval == QLA_SUCCESS) { + ql_log(ql_log_info, vha, 0xb04a, + "MiniDump Template size obtained (%d KB)\n", + ha->md_template_size / 1024); + + /* Get Minidump template */ + rval = qla82xx_md_get_template(vha); + if (rval == QLA_SUCCESS) { + ql_dbg(ql_dbg_p3p, vha, 0xb04b, + "MiniDump Template obtained\n"); + + /* Allocate memory for minidump */ + rval = qla82xx_md_alloc(vha); + if (rval == QLA_SUCCESS) + ql_log(ql_log_info, vha, 0xb04c, + "MiniDump memory allocated (%d KB)\n", + ha->md_dump_size / 1024); + else { + ql_log(ql_log_info, vha, 0xb04d, + "Free MiniDump template: %p, size: (%d KB)\n", + ha->md_tmplt_hdr, + ha->md_template_size / 1024); + dma_free_coherent(&ha->pdev->dev, + ha->md_template_size, + ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); + ha->md_tmplt_hdr = 0; + } + + } + } +} + +int +qla82xx_beacon_on(struct scsi_qla_host *vha) +{ + + int rval; + struct qla_hw_data *ha = vha->hw; + qla82xx_idc_lock(ha); + rval = qla82xx_mbx_beacon_ctl(vha, 1); + + if (rval) { + ql_log(ql_log_warn, vha, 0xb050, + "mbx set led config failed in %s\n", __func__); + goto exit; + } + ha->beacon_blink_led = 1; +exit: + qla82xx_idc_unlock(ha); + return rval; +} + +int +qla82xx_beacon_off(struct scsi_qla_host *vha) +{ + + int rval; + struct qla_hw_data *ha = vha->hw; + qla82xx_idc_lock(ha); + rval = qla82xx_mbx_beacon_ctl(vha, 0); + + if (rval) { + ql_log(ql_log_warn, vha, 0xb051, + "mbx set led config failed in %s\n", __func__); + goto exit; + } + ha->beacon_blink_led = 0; +exit: + qla82xx_idc_unlock(ha); + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h index 8a21832..57820c1 100644 --- a/drivers/scsi/qla2xxx/qla_nx.h +++ b/drivers/scsi/qla2xxx/qla_nx.h @@ -484,8 +484,6 @@ #define QLA82XX_ADDR_OCM1 (0x0000000200400000ULL) #define QLA82XX_ADDR_OCM1_MAX (0x00000002004fffffULL) #define QLA82XX_ADDR_QDR_NET (0x0000000300000000ULL) - -#define QLA82XX_P2_ADDR_QDR_NET_MAX (0x00000003001fffffULL) #define QLA82XX_P3_ADDR_QDR_NET_MAX (0x0000000303ffffffULL) #define QLA82XX_PCI_CRBSPACE (unsigned long)0x06000000 @@ -890,6 +888,7 @@ struct ct6_dsd { }; #define MBC_TOGGLE_INTERRUPT 0x10 +#define MBC_SET_LED_CONFIG 0x125 /* Flash offset */ #define FLT_REG_BOOTLOAD_82XX 0x72 @@ -922,4 +921,256 @@ struct ct6_dsd { #define M25P_INSTR_DP 0xb9 #define M25P_INSTR_RES 0xab +/* Minidump related */ + +/* + * Version of the template + * 4 Bytes + * X.Major.Minor.RELEASE + */ +#define QLA82XX_MINIDUMP_VERSION 0x10101 + +/* + * Entry Type Defines + */ +#define QLA82XX_RDNOP 0 +#define QLA82XX_RDCRB 1 +#define QLA82XX_RDMUX 2 +#define QLA82XX_QUEUE 3 +#define QLA82XX_BOARD 4 +#define QLA82XX_RDSRE 5 +#define QLA82XX_RDOCM 6 +#define QLA82XX_CACHE 10 +#define QLA82XX_L1DAT 11 +#define QLA82XX_L1INS 12 +#define QLA82XX_L2DTG 21 +#define QLA82XX_L2ITG 22 +#define QLA82XX_L2DAT 23 +#define QLA82XX_L2INS 24 +#define QLA82XX_RDROM 71 +#define QLA82XX_RDMEM 72 +#define QLA82XX_CNTRL 98 +#define QLA82XX_TLHDR 99 +#define QLA82XX_RDEND 255 + +/* + * Opcodes for Control Entries. + * These Flags are bit fields. + */ +#define QLA82XX_DBG_OPCODE_WR 0x01 +#define QLA82XX_DBG_OPCODE_RW 0x02 +#define QLA82XX_DBG_OPCODE_AND 0x04 +#define QLA82XX_DBG_OPCODE_OR 0x08 +#define QLA82XX_DBG_OPCODE_POLL 0x10 +#define QLA82XX_DBG_OPCODE_RDSTATE 0x20 +#define QLA82XX_DBG_OPCODE_WRSTATE 0x40 +#define QLA82XX_DBG_OPCODE_MDSTATE 0x80 + +/* + * Template Header and Entry Header definitions start here. + */ + +/* + * Template Header + * Parts of the template header can be modified by the driver. + * These include the saved_state_array, capture_debug_level, driver_timestamp + */ + +#define QLA82XX_DBG_STATE_ARRAY_LEN 16 +#define QLA82XX_DBG_CAP_SIZE_ARRAY_LEN 8 +#define QLA82XX_DBG_RSVD_ARRAY_LEN 8 + +/* + * Driver Flags + */ +#define QLA82XX_DBG_SKIPPED_FLAG 0x80 /* driver skipped this entry */ +#define QLA82XX_DEFAULT_CAP_MASK 0xFF /* default capture mask */ + +struct qla82xx_md_template_hdr { + uint32_t entry_type; + uint32_t first_entry_offset; + uint32_t size_of_template; + uint32_t capture_debug_level; + + uint32_t num_of_entries; + uint32_t version; + uint32_t driver_timestamp; + uint32_t template_checksum; + + uint32_t driver_capture_mask; + uint32_t driver_info[3]; + + uint32_t saved_state_array[QLA82XX_DBG_STATE_ARRAY_LEN]; + uint32_t capture_size_array[QLA82XX_DBG_CAP_SIZE_ARRAY_LEN]; + + /* markers_array used to capture some special locations on board */ + uint32_t markers_array[QLA82XX_DBG_RSVD_ARRAY_LEN]; + uint32_t num_of_free_entries; /* For internal use */ + uint32_t free_entry_offset; /* For internal use */ + uint32_t total_table_size; /* For internal use */ + uint32_t bkup_table_offset; /* For internal use */ +} __packed; + +/* + * Entry Header: Common to All Entry Types + */ + +/* + * Driver Code is for driver to write some info about the entry. + * Currently not used. + */ +typedef struct qla82xx_md_entry_hdr { + uint32_t entry_type; + uint32_t entry_size; + uint32_t entry_capture_size; + struct { + uint8_t entry_capture_mask; + uint8_t entry_code; + uint8_t driver_code; + uint8_t driver_flags; + } d_ctrl; +} __packed qla82xx_md_entry_hdr_t; + +/* + * Read CRB entry header + */ +struct qla82xx_md_entry_crb { + qla82xx_md_entry_hdr_t h; + uint32_t addr; + struct { + uint8_t addr_stride; + uint8_t state_index_a; + uint16_t poll_timeout; + } crb_strd; + + uint32_t data_size; + uint32_t op_count; + + struct { + uint8_t opcode; + uint8_t state_index_v; + uint8_t shl; + uint8_t shr; + } crb_ctrl; + + uint32_t value_1; + uint32_t value_2; + uint32_t value_3; +} __packed; + +/* + * Cache entry header + */ +struct qla82xx_md_entry_cache { + qla82xx_md_entry_hdr_t h; + + uint32_t tag_reg_addr; + struct { + uint16_t tag_value_stride; + uint16_t init_tag_value; + } addr_ctrl; + + uint32_t data_size; + uint32_t op_count; + + uint32_t control_addr; + struct { + uint16_t write_value; + uint8_t poll_mask; + uint8_t poll_wait; + } cache_ctrl; + + uint32_t read_addr; + struct { + uint8_t read_addr_stride; + uint8_t read_addr_cnt; + uint16_t rsvd_1; + } read_ctrl; +} __packed; + +/* + * Read OCM + */ +struct qla82xx_md_entry_rdocm { + qla82xx_md_entry_hdr_t h; + + uint32_t rsvd_0; + uint32_t rsvd_1; + uint32_t data_size; + uint32_t op_count; + + uint32_t rsvd_2; + uint32_t rsvd_3; + uint32_t read_addr; + uint32_t read_addr_stride; + uint32_t read_addr_cntrl; +} __packed; + +/* + * Read Memory + */ +struct qla82xx_md_entry_rdmem { + qla82xx_md_entry_hdr_t h; + uint32_t rsvd[6]; + uint32_t read_addr; + uint32_t read_data_size; +} __packed; + +/* + * Read ROM + */ +struct qla82xx_md_entry_rdrom { + qla82xx_md_entry_hdr_t h; + uint32_t rsvd[6]; + uint32_t read_addr; + uint32_t read_data_size; +} __packed; + +struct qla82xx_md_entry_mux { + qla82xx_md_entry_hdr_t h; + + uint32_t select_addr; + uint32_t rsvd_0; + uint32_t data_size; + uint32_t op_count; + + uint32_t select_value; + uint32_t select_value_stride; + uint32_t read_addr; + uint32_t rsvd_1; +} __packed; + +struct qla82xx_md_entry_queue { + qla82xx_md_entry_hdr_t h; + + uint32_t select_addr; + struct { + uint16_t queue_id_stride; + uint16_t rsvd_0; + } q_strd; + + uint32_t data_size; + uint32_t op_count; + uint32_t rsvd_1; + uint32_t rsvd_2; + + uint32_t read_addr; + struct { + uint8_t read_addr_stride; + uint8_t read_addr_cnt; + uint16_t rsvd_3; + } rd_strd; +} __packed; + +#define MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE 0x129 +#define RQST_TMPLT_SIZE 0x0 +#define RQST_TMPLT 0x1 +#define MD_DIRECT_ROM_WINDOW 0x42110030 +#define MD_DIRECT_ROM_READ_BASE 0x42150000 +#define MD_MIU_TEST_AGT_CTRL 0x41000090 +#define MD_MIU_TEST_AGT_ADDR_LO 0x41000094 +#define MD_MIU_TEST_AGT_ADDR_HI 0x41000098 + +static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC, + 0x410000B8, 0x410000BC }; #endif diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 4cace3f..c0d354a 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -143,7 +143,7 @@ MODULE_PARM_DESC(ql2xmultique_tag, "Set it to 1 to turn on the cpu affinity."); int ql2xfwloadbin; -module_param(ql2xfwloadbin, int, S_IRUGO); +module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xfwloadbin, "Option to specify location from which to load ISP firmware:.\n" " 2 -- load firmware via the request_firmware() (hotplug).\n" @@ -158,11 +158,11 @@ MODULE_PARM_DESC(ql2xetsenable, "Default is 0 - skip ETS enablement."); int ql2xdbwr = 1; -module_param(ql2xdbwr, int, S_IRUGO); +module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xdbwr, - "Option to specify scheme for request queue posting.\n" - " 0 -- Regular doorbell.\n" - " 1 -- CAMRAM doorbell (faster).\n"); + "Option to specify scheme for request queue posting.\n" + " 0 -- Regular doorbell.\n" + " 1 -- CAMRAM doorbell (faster).\n"); int ql2xtargetreset = 1; module_param(ql2xtargetreset, int, S_IRUGO); @@ -183,11 +183,11 @@ MODULE_PARM_DESC(ql2xasynctmfenable, "Default is 0 - Issue TM IOCBs via mailbox mechanism."); int ql2xdontresethba; -module_param(ql2xdontresethba, int, S_IRUGO); +module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xdontresethba, - "Option to specify reset behaviour.\n" - " 0 (Default) -- Reset on failure.\n" - " 1 -- Do not reset on failure.\n"); + "Option to specify reset behaviour.\n" + " 0 (Default) -- Reset on failure.\n" + " 1 -- Do not reset on failure.\n"); uint ql2xmaxlun = MAX_LUNS; module_param(ql2xmaxlun, uint, S_IRUGO); @@ -195,6 +195,19 @@ MODULE_PARM_DESC(ql2xmaxlun, "Defines the maximum LU number to register with the SCSI " "midlayer. Default is 65535."); +int ql2xmdcapmask = 0x1F; +module_param(ql2xmdcapmask, int, S_IRUGO); +MODULE_PARM_DESC(ql2xmdcapmask, + "Set the Minidump driver capture mask level. " + "Default is 0x7F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F."); + +int ql2xmdenable; +module_param(ql2xmdenable, int, S_IRUGO); +MODULE_PARM_DESC(ql2xmdenable, + "Enable/disable MiniDump. " + "0 (Default) - MiniDump disabled. " + "1 - MiniDump enabled."); + /* * SCSI host template entry points */ @@ -1749,9 +1762,9 @@ static struct isp_operations qla82xx_isp_ops = { .read_nvram = qla24xx_read_nvram_data, .write_nvram = qla24xx_write_nvram_data, .fw_dump = qla24xx_fw_dump, - .beacon_on = qla24xx_beacon_on, - .beacon_off = qla24xx_beacon_off, - .beacon_blink = qla24xx_beacon_blink, + .beacon_on = qla82xx_beacon_on, + .beacon_off = qla82xx_beacon_off, + .beacon_blink = NULL, .read_optrom = qla82xx_read_optrom_data, .write_optrom = qla82xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, @@ -2669,6 +2682,8 @@ qla2x00_free_device(scsi_qla_host_t *vha) qla2x00_mem_free(ha); + qla82xx_md_free(vha); + qla2x00_free_queues(ha); } @@ -3902,8 +3917,11 @@ qla2x00_timer(scsi_qla_host_t *vha) /* Check if beacon LED needs to be blinked for physical host only */ if (!vha->vp_idx && (ha->beacon_blink_led == 1)) { - set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); - start_dpc++; + /* There is no beacon_blink function for ISP82xx */ + if (!IS_QLA82XX(ha)) { + set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); + start_dpc++; + } } /* Process any deferred work. */ diff --git a/drivers/scsi/qla4xxx/Makefile b/drivers/scsi/qla4xxx/Makefile index 252523d..5b44139 100644 --- a/drivers/scsi/qla4xxx/Makefile +++ b/drivers/scsi/qla4xxx/Makefile @@ -1,5 +1,5 @@ qla4xxx-y := ql4_os.o ql4_init.o ql4_mbx.o ql4_iocb.o ql4_isr.o \ - ql4_nx.o ql4_nvram.o ql4_dbg.o ql4_attr.o + ql4_nx.o ql4_nvram.o ql4_dbg.o ql4_attr.o ql4_bsg.o obj-$(CONFIG_SCSI_QLA_ISCSI) += qla4xxx.o diff --git a/drivers/scsi/qla4xxx/ql4_attr.c b/drivers/scsi/qla4xxx/ql4_attr.c index 864d018..0b0a7d4 100644 --- a/drivers/scsi/qla4xxx/ql4_attr.c +++ b/drivers/scsi/qla4xxx/ql4_attr.c @@ -55,15 +55,91 @@ qla4xxx_optrom_version_show(struct device *dev, struct device_attribute *attr, ha->bootload_patch, ha->bootload_build); } +static ssize_t +qla4xxx_board_id_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev)); + return snprintf(buf, PAGE_SIZE, "0x%08X\n", ha->board_id); +} + +static ssize_t +qla4xxx_fw_state_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev)); + + qla4xxx_get_firmware_state(ha); + return snprintf(buf, PAGE_SIZE, "0x%08X%8X\n", ha->firmware_state, + ha->addl_fw_state); +} + +static ssize_t +qla4xxx_phy_port_cnt_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev)); + + if (!is_qla8022(ha)) + return -ENOSYS; + + return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_cnt); +} + +static ssize_t +qla4xxx_phy_port_num_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev)); + + if (!is_qla8022(ha)) + return -ENOSYS; + + return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_num); +} + +static ssize_t +qla4xxx_iscsi_func_cnt_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev)); + + if (!is_qla8022(ha)) + return -ENOSYS; + + return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->iscsi_pci_func_cnt); +} + +static ssize_t +qla4xxx_hba_model_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev)); + + return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_name); +} + static DEVICE_ATTR(fw_version, S_IRUGO, qla4xxx_fw_version_show, NULL); static DEVICE_ATTR(serial_num, S_IRUGO, qla4xxx_serial_num_show, NULL); static DEVICE_ATTR(iscsi_version, S_IRUGO, qla4xxx_iscsi_version_show, NULL); static DEVICE_ATTR(optrom_version, S_IRUGO, qla4xxx_optrom_version_show, NULL); +static DEVICE_ATTR(board_id, S_IRUGO, qla4xxx_board_id_show, NULL); +static DEVICE_ATTR(fw_state, S_IRUGO, qla4xxx_fw_state_show, NULL); +static DEVICE_ATTR(phy_port_cnt, S_IRUGO, qla4xxx_phy_port_cnt_show, NULL); +static DEVICE_ATTR(phy_port_num, S_IRUGO, qla4xxx_phy_port_num_show, NULL); +static DEVICE_ATTR(iscsi_func_cnt, S_IRUGO, qla4xxx_iscsi_func_cnt_show, NULL); +static DEVICE_ATTR(hba_model, S_IRUGO, qla4xxx_hba_model_show, NULL); struct device_attribute *qla4xxx_host_attrs[] = { &dev_attr_fw_version, &dev_attr_serial_num, &dev_attr_iscsi_version, &dev_attr_optrom_version, + &dev_attr_board_id, + &dev_attr_fw_state, + &dev_attr_phy_port_cnt, + &dev_attr_phy_port_num, + &dev_attr_iscsi_func_cnt, + &dev_attr_hba_model, NULL, }; diff --git a/drivers/scsi/qla4xxx/ql4_bsg.c b/drivers/scsi/qla4xxx/ql4_bsg.c new file mode 100644 index 0000000..8acdc58 --- /dev/null +++ b/drivers/scsi/qla4xxx/ql4_bsg.c @@ -0,0 +1,513 @@ +/* + * QLogic iSCSI HBA Driver + * Copyright (c) 2011 QLogic Corporation + * + * See LICENSE.qla4xxx for copyright and licensing details. + */ + +#include "ql4_def.h" +#include "ql4_glbl.h" +#include "ql4_bsg.h" + +static int +qla4xxx_read_flash(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + struct iscsi_bsg_request *bsg_req = bsg_job->request; + uint32_t offset = 0; + uint32_t length = 0; + dma_addr_t flash_dma; + uint8_t *flash = NULL; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + if (ha->flash_state != QLFLASH_WAITING) { + ql4_printk(KERN_ERR, ha, "%s: another flash operation " + "active\n", __func__); + rval = -EBUSY; + goto leave; + } + + ha->flash_state = QLFLASH_READING; + offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + length = bsg_job->reply_payload.payload_len; + + flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma, + GFP_KERNEL); + if (!flash) { + ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash " + "data\n", __func__); + rval = -ENOMEM; + goto leave; + } + + rval = qla4xxx_get_flash(ha, flash_dma, offset, length); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: get flash failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else { + bsg_reply->reply_payload_rcv_len = + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, + flash, length); + bsg_reply->result = DID_OK << 16; + } + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma); +leave: + ha->flash_state = QLFLASH_WAITING; + return rval; +} + +static int +qla4xxx_update_flash(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + struct iscsi_bsg_request *bsg_req = bsg_job->request; + uint32_t length = 0; + uint32_t offset = 0; + uint32_t options = 0; + dma_addr_t flash_dma; + uint8_t *flash = NULL; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + if (ha->flash_state != QLFLASH_WAITING) { + ql4_printk(KERN_ERR, ha, "%s: another flash operation " + "active\n", __func__); + rval = -EBUSY; + goto leave; + } + + ha->flash_state = QLFLASH_WRITING; + length = bsg_job->request_payload.payload_len; + offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + options = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; + + flash = dma_alloc_coherent(&ha->pdev->dev, length, &flash_dma, + GFP_KERNEL); + if (!flash) { + ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash " + "data\n", __func__); + rval = -ENOMEM; + goto leave; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, flash, length); + + rval = qla4xxx_set_flash(ha, flash_dma, offset, length, options); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: set flash failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else + bsg_reply->result = DID_OK << 16; + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + dma_free_coherent(&ha->pdev->dev, length, flash, flash_dma); +leave: + ha->flash_state = QLFLASH_WAITING; + return rval; +} + +static int +qla4xxx_get_acb_state(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint32_t status[MBOX_REG_COUNT]; + uint32_t acb_idx; + uint32_t ip_idx; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + /* Only 4022 and above adapters are supported */ + if (is_qla4010(ha)) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + if (bsg_job->reply_payload.payload_len < sizeof(status)) { + ql4_printk(KERN_ERR, ha, "%s: invalid payload len %d\n", + __func__, bsg_job->reply_payload.payload_len); + rval = -EINVAL; + goto leave; + } + + acb_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + ip_idx = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; + + rval = qla4xxx_get_ip_state(ha, acb_idx, ip_idx, status); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: get ip state failed\n", + __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else { + bsg_reply->reply_payload_rcv_len = + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, + status, sizeof(status)); + bsg_reply->result = DID_OK << 16; + } + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); +leave: + return rval; +} + +static int +qla4xxx_read_nvram(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint32_t offset = 0; + uint32_t len = 0; + uint32_t total_len = 0; + dma_addr_t nvram_dma; + uint8_t *nvram = NULL; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + /* Only 40xx adapters are supported */ + if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha))) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + len = bsg_job->reply_payload.payload_len; + total_len = offset + len; + + /* total len should not be greater than max NVRAM size */ + if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) || + ((is_qla4022(ha) || is_qla4032(ha)) && + total_len > QL40X2_NVRAM_SIZE)) { + ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max" + " nvram size, offset=%d len=%d\n", + __func__, offset, len); + goto leave; + } + + nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma, + GFP_KERNEL); + if (!nvram) { + ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for nvram " + "data\n", __func__); + rval = -ENOMEM; + goto leave; + } + + rval = qla4xxx_get_nvram(ha, nvram_dma, offset, len); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: get nvram failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else { + bsg_reply->reply_payload_rcv_len = + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, + nvram, len); + bsg_reply->result = DID_OK << 16; + } + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma); +leave: + return rval; +} + +static int +qla4xxx_update_nvram(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint32_t offset = 0; + uint32_t len = 0; + uint32_t total_len = 0; + dma_addr_t nvram_dma; + uint8_t *nvram = NULL; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + if (!(is_qla4010(ha) || is_qla4022(ha) || is_qla4032(ha))) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + offset = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + len = bsg_job->request_payload.payload_len; + total_len = offset + len; + + /* total len should not be greater than max NVRAM size */ + if ((is_qla4010(ha) && total_len > QL4010_NVRAM_SIZE) || + ((is_qla4022(ha) || is_qla4032(ha)) && + total_len > QL40X2_NVRAM_SIZE)) { + ql4_printk(KERN_ERR, ha, "%s: offset+len greater than max" + " nvram size, offset=%d len=%d\n", + __func__, offset, len); + goto leave; + } + + nvram = dma_alloc_coherent(&ha->pdev->dev, len, &nvram_dma, + GFP_KERNEL); + if (!nvram) { + ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for flash " + "data\n", __func__); + rval = -ENOMEM; + goto leave; + } + + sg_copy_to_buffer(bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, nvram, len); + + rval = qla4xxx_set_nvram(ha, nvram_dma, offset, len); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else + bsg_reply->result = DID_OK << 16; + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + dma_free_coherent(&ha->pdev->dev, len, nvram, nvram_dma); +leave: + return rval; +} + +static int +qla4xxx_restore_defaults(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint32_t region = 0; + uint32_t field0 = 0; + uint32_t field1 = 0; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + if (is_qla4010(ha)) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + region = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + field0 = bsg_req->rqst_data.h_vendor.vendor_cmd[2]; + field1 = bsg_req->rqst_data.h_vendor.vendor_cmd[3]; + + rval = qla4xxx_restore_factory_defaults(ha, region, field0, field1); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: set nvram failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else + bsg_reply->result = DID_OK << 16; + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); +leave: + return rval; +} + +static int +qla4xxx_bsg_get_acb(struct bsg_job *bsg_job) +{ + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + uint32_t acb_type = 0; + uint32_t len = 0; + dma_addr_t acb_dma; + uint8_t *acb = NULL; + int rval = -EINVAL; + + bsg_reply->reply_payload_rcv_len = 0; + + if (unlikely(pci_channel_offline(ha->pdev))) + goto leave; + + /* Only 4022 and above adapters are supported */ + if (is_qla4010(ha)) + goto leave; + + if (ql4xxx_reset_active(ha)) { + ql4_printk(KERN_ERR, ha, "%s: reset active\n", __func__); + rval = -EBUSY; + goto leave; + } + + acb_type = bsg_req->rqst_data.h_vendor.vendor_cmd[1]; + len = bsg_job->reply_payload.payload_len; + if (len < sizeof(struct addr_ctrl_blk)) { + ql4_printk(KERN_ERR, ha, "%s: invalid acb len %d\n", + __func__, len); + rval = -EINVAL; + goto leave; + } + + acb = dma_alloc_coherent(&ha->pdev->dev, len, &acb_dma, GFP_KERNEL); + if (!acb) { + ql4_printk(KERN_ERR, ha, "%s: dma alloc failed for acb " + "data\n", __func__); + rval = -ENOMEM; + goto leave; + } + + rval = qla4xxx_get_acb(ha, acb_dma, acb_type, len); + if (rval) { + ql4_printk(KERN_ERR, ha, "%s: get acb failed\n", __func__); + bsg_reply->result = DID_ERROR << 16; + rval = -EIO; + } else { + bsg_reply->reply_payload_rcv_len = + sg_copy_from_buffer(bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, + acb, len); + bsg_reply->result = DID_OK << 16; + } + + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + dma_free_coherent(&ha->pdev->dev, len, acb, acb_dma); +leave: + return rval; +} + +/** + * qla4xxx_process_vendor_specific - handle vendor specific bsg request + * @job: iscsi_bsg_job to handle + **/ +int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job) +{ + struct iscsi_bsg_reply *bsg_reply = bsg_job->reply; + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + + switch (bsg_req->rqst_data.h_vendor.vendor_cmd[0]) { + case QLISCSI_VND_READ_FLASH: + return qla4xxx_read_flash(bsg_job); + + case QLISCSI_VND_UPDATE_FLASH: + return qla4xxx_update_flash(bsg_job); + + case QLISCSI_VND_GET_ACB_STATE: + return qla4xxx_get_acb_state(bsg_job); + + case QLISCSI_VND_READ_NVRAM: + return qla4xxx_read_nvram(bsg_job); + + case QLISCSI_VND_UPDATE_NVRAM: + return qla4xxx_update_nvram(bsg_job); + + case QLISCSI_VND_RESTORE_DEFAULTS: + return qla4xxx_restore_defaults(bsg_job); + + case QLISCSI_VND_GET_ACB: + return qla4xxx_bsg_get_acb(bsg_job); + + default: + ql4_printk(KERN_ERR, ha, "%s: invalid BSG vendor command: " + "0x%x\n", __func__, bsg_req->msgcode); + bsg_reply->result = (DID_ERROR << 16); + bsg_reply->reply_payload_rcv_len = 0; + bsg_job_done(bsg_job, bsg_reply->result, + bsg_reply->reply_payload_rcv_len); + return -ENOSYS; + } +} + +/** + * qla4xxx_bsg_request - handle bsg request from ISCSI transport + * @job: iscsi_bsg_job to handle + */ +int qla4xxx_bsg_request(struct bsg_job *bsg_job) +{ + struct iscsi_bsg_request *bsg_req = bsg_job->request; + struct Scsi_Host *host = iscsi_job_to_shost(bsg_job); + struct scsi_qla_host *ha = to_qla_host(host); + + switch (bsg_req->msgcode) { + case ISCSI_BSG_HST_VENDOR: + return qla4xxx_process_vendor_specific(bsg_job); + + default: + ql4_printk(KERN_ERR, ha, "%s: invalid BSG command: 0x%x\n", + __func__, bsg_req->msgcode); + } + + return -ENOSYS; +} diff --git a/drivers/scsi/qla4xxx/ql4_bsg.h b/drivers/scsi/qla4xxx/ql4_bsg.h new file mode 100644 index 0000000..c6a03645 --- /dev/null +++ b/drivers/scsi/qla4xxx/ql4_bsg.h @@ -0,0 +1,19 @@ +/* + * QLogic iSCSI HBA Driver + * Copyright (c) 2011 QLogic Corporation + * + * See LICENSE.qla4xxx for copyright and licensing details. + */ +#ifndef __QL4_BSG_H +#define __QL4_BSG_H + +/* BSG Vendor specific commands */ +#define QLISCSI_VND_READ_FLASH 1 +#define QLISCSI_VND_UPDATE_FLASH 2 +#define QLISCSI_VND_GET_ACB_STATE 3 +#define QLISCSI_VND_READ_NVRAM 4 +#define QLISCSI_VND_UPDATE_NVRAM 5 +#define QLISCSI_VND_RESTORE_DEFAULTS 6 +#define QLISCSI_VND_GET_ACB 7 + +#endif diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index 473c5c8..d2f7cd6 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -33,9 +34,14 @@ #include #include #include +#include +#include +#include #include "ql4_dbg.h" #include "ql4_nx.h" +#include "ql4_fw.h" +#include "ql4_nvram.h" #ifndef PCI_DEVICE_ID_QLOGIC_ISP4010 #define PCI_DEVICE_ID_QLOGIC_ISP4010 0x4010 @@ -109,7 +115,7 @@ #define MAX_BUSES 1 #define MAX_TARGETS MAX_DEV_DB_ENTRIES #define MAX_LUNS 0xffff -#define MAX_AEN_ENTRIES 256 /* should be > EXT_DEF_MAX_AEN_QUEUE */ +#define MAX_AEN_ENTRIES MAX_DEV_DB_ENTRIES #define MAX_DDB_ENTRIES MAX_DEV_DB_ENTRIES #define MAX_PDU_ENTRIES 32 #define INVALID_ENTRY 0xFFFF @@ -166,6 +172,7 @@ #define RELOGIN_TOV 18 #define ISNS_DEREG_TOV 5 #define HBA_ONLINE_TOV 30 +#define DISABLE_ACB_TOV 30 #define MAX_RESET_HA_RETRIES 2 @@ -227,52 +234,12 @@ struct ql4_aen_log { * Device Database (DDB) structure */ struct ddb_entry { - struct list_head list; /* ddb list */ struct scsi_qla_host *ha; struct iscsi_cls_session *sess; struct iscsi_cls_conn *conn; - atomic_t state; /* DDB State */ - - unsigned long flags; /* DDB Flags */ - uint16_t fw_ddb_index; /* DDB firmware index */ - uint16_t options; uint32_t fw_ddb_device_state; /* F/W Device State -- see ql4_fw.h */ - - uint32_t CmdSn; - uint16_t target_session_id; - uint16_t connection_id; - uint16_t exe_throttle; /* Max mumber of cmds outstanding - * simultaneously */ - uint16_t task_mgmt_timeout; /* Min time for task mgmt cmds to - * complete */ - uint16_t default_relogin_timeout; /* Max time to wait for - * relogin to complete */ - uint16_t tcp_source_port_num; - uint32_t default_time2wait; /* Default Min time between - * relogins (+aens) */ - - atomic_t retry_relogin_timer; /* Min Time between relogins - * (4000 only) */ - atomic_t relogin_timer; /* Max Time to wait for relogin to complete */ - atomic_t relogin_retry_count; /* Num of times relogin has been - * retried */ - - uint16_t port; - uint32_t tpgt; - uint8_t ip_addr[IP_ADDR_LEN]; - uint8_t iscsi_name[ISCSI_NAME_SIZE]; /* 72 x48 */ - uint8_t iscsi_alias[0x20]; - uint8_t isid[6]; - uint16_t iscsi_max_burst_len; - uint16_t iscsi_max_outsnd_r2t; - uint16_t iscsi_first_burst_len; - uint16_t iscsi_max_rcv_data_seg_len; - uint16_t iscsi_max_snd_data_seg_len; - - struct in6_addr remote_ipv6_addr; - struct in6_addr link_local_ipv6_addr; }; /* @@ -293,8 +260,6 @@ struct ddb_entry { #define DF_FO_MASKED 3 -#include "ql4_fw.h" -#include "ql4_nvram.h" struct ql82xx_hw_data { /* Offsets for flash/nvram access (set to ~0 if not used). */ @@ -312,6 +277,8 @@ struct ql82xx_hw_data { uint32_t flt_region_boot; uint32_t flt_region_bootload; uint32_t flt_region_fw; + + uint32_t flt_iscsi_param; uint32_t reserved; }; @@ -357,6 +324,66 @@ struct isp_operations { int (*get_sys_info) (struct scsi_qla_host *); }; +/*qla4xxx ipaddress configuration details */ +struct ipaddress_config { + uint16_t ipv4_options; + uint16_t tcp_options; + uint16_t ipv4_vlan_tag; + uint8_t ipv4_addr_state; + uint8_t ip_address[IP_ADDR_LEN]; + uint8_t subnet_mask[IP_ADDR_LEN]; + uint8_t gateway[IP_ADDR_LEN]; + uint32_t ipv6_options; + uint32_t ipv6_addl_options; + uint8_t ipv6_link_local_state; + uint8_t ipv6_addr0_state; + uint8_t ipv6_addr1_state; + uint8_t ipv6_default_router_state; + uint16_t ipv6_vlan_tag; + struct in6_addr ipv6_link_local_addr; + struct in6_addr ipv6_addr0; + struct in6_addr ipv6_addr1; + struct in6_addr ipv6_default_router_addr; + uint16_t eth_mtu_size; + uint16_t ipv4_port; + uint16_t ipv6_port; +}; + +#define QL4_CHAP_MAX_NAME_LEN 256 +#define QL4_CHAP_MAX_SECRET_LEN 100 + +struct ql4_chap_format { + u8 intr_chap_name[QL4_CHAP_MAX_NAME_LEN]; + u8 intr_secret[QL4_CHAP_MAX_SECRET_LEN]; + u8 target_chap_name[QL4_CHAP_MAX_NAME_LEN]; + u8 target_secret[QL4_CHAP_MAX_SECRET_LEN]; + u16 intr_chap_name_length; + u16 intr_secret_length; + u16 target_chap_name_length; + u16 target_secret_length; +}; + +struct ip_address_format { + u8 ip_type; + u8 ip_address[16]; +}; + +struct ql4_conn_info { + u16 dest_port; + struct ip_address_format dest_ipaddr; + struct ql4_chap_format chap; +}; + +struct ql4_boot_session_info { + u8 target_name[224]; + struct ql4_conn_info conn_list[1]; +}; + +struct ql4_boot_tgt_info { + struct ql4_boot_session_info boot_pri_sess; + struct ql4_boot_session_info boot_sec_sess; +}; + /* * Linux Host Adapter structure */ @@ -451,10 +478,6 @@ struct scsi_qla_host { /* --- From Init_FW --- */ /* init_cb_t *init_cb; */ uint16_t firmware_options; - uint16_t tcp_options; - uint8_t ip_address[IP_ADDR_LEN]; - uint8_t subnet_mask[IP_ADDR_LEN]; - uint8_t gateway[IP_ADDR_LEN]; uint8_t alias[32]; uint8_t name_string[256]; uint8_t heartbeat_interval; @@ -462,7 +485,7 @@ struct scsi_qla_host { /* --- From FlashSysInfo --- */ uint8_t my_mac[MAC_ADDR_LEN]; uint8_t serial_number[16]; - + uint16_t port_num; /* --- From GetFwState --- */ uint32_t firmware_state; uint32_t addl_fw_state; @@ -524,31 +547,13 @@ struct scsi_qla_host { volatile uint8_t mbox_status_count; volatile uint32_t mbox_status[MBOX_REG_COUNT]; - /* local device database list (contains internal ddb entries) */ - struct list_head ddb_list; - - /* Map ddb_list entry by FW ddb index */ + /* FW ddb index map */ struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES]; /* Saved srb for status continuation entry processing */ struct srb *status_srb; - /* IPv6 support info from InitFW */ uint8_t acb_version; - uint8_t ipv4_addr_state; - uint16_t ipv4_options; - - uint32_t resvd2; - uint32_t ipv6_options; - uint32_t ipv6_addl_options; - uint8_t ipv6_link_local_state; - uint8_t ipv6_addr0_state; - uint8_t ipv6_addr1_state; - uint8_t ipv6_default_router_state; - struct in6_addr ipv6_link_local_addr; - struct in6_addr ipv6_addr0; - struct in6_addr ipv6_addr1; - struct in6_addr ipv6_default_router_addr; /* qla82xx specific fields */ struct device_reg_82xx __iomem *qla4_8xxx_reg; /* Base I/O address */ @@ -584,6 +589,11 @@ struct scsi_qla_host { struct completion mbx_intr_comp; + struct ipaddress_config ip_config; + struct iscsi_iface *iface_ipv4; + struct iscsi_iface *iface_ipv6_0; + struct iscsi_iface *iface_ipv6_1; + /* --- From About Firmware --- */ uint16_t iscsi_major; uint16_t iscsi_minor; @@ -591,16 +601,57 @@ struct scsi_qla_host { uint16_t bootload_minor; uint16_t bootload_patch; uint16_t bootload_build; + + uint32_t flash_state; +#define QLFLASH_WAITING 0 +#define QLFLASH_READING 1 +#define QLFLASH_WRITING 2 + struct dma_pool *chap_dma_pool; +#define CHAP_DMA_BLOCK_SIZE 512 + struct workqueue_struct *task_wq; + unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG]; +#define SYSFS_FLAG_FW_SEL_BOOT 2 + struct iscsi_boot_kset *boot_kset; + struct ql4_boot_tgt_info boot_tgt; + uint16_t phy_port_num; + uint16_t phy_port_cnt; + uint16_t iscsi_pci_func_cnt; + uint8_t model_name[16]; + struct completion disable_acb_comp; +}; + +struct ql4_task_data { + struct scsi_qla_host *ha; + uint8_t iocb_req_cnt; + dma_addr_t data_dma; + void *req_buffer; + dma_addr_t req_dma; + void *resp_buffer; + dma_addr_t resp_dma; + uint32_t resp_len; + struct iscsi_task *task; + struct passthru_status sts; + struct work_struct task_work; +}; + +struct qla_endpoint { + struct Scsi_Host *host; + struct sockaddr dst_addr; +}; + +struct qla_conn { + struct qla_endpoint *qla_ep; }; static inline int is_ipv4_enabled(struct scsi_qla_host *ha) { - return ((ha->ipv4_options & IPOPT_IPv4_PROTOCOL_ENABLE) != 0); + return ((ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) != 0); } static inline int is_ipv6_enabled(struct scsi_qla_host *ha) { - return ((ha->ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0); + return ((ha->ip_config.ipv6_options & + IPV6_OPT_IPV6_PROTOCOL_ENABLE) != 0); } static inline int is_qla4010(struct scsi_qla_host *ha) @@ -640,7 +691,7 @@ static inline int adapter_up(struct scsi_qla_host *ha) static inline struct scsi_qla_host* to_qla_host(struct Scsi_Host *shost) { - return (struct scsi_qla_host *)shost->hostdata; + return (struct scsi_qla_host *)iscsi_host_priv(shost); } static inline void __iomem* isp_semaphore(struct scsi_qla_host *ha) @@ -760,6 +811,16 @@ static inline void ql4xxx_unlock_drvr(struct scsi_qla_host *a) ql4xxx_sem_unlock(a, QL4022_DRVR_SEM_MASK); } +static inline int ql4xxx_reset_active(struct scsi_qla_host *ha) +{ + return test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || + test_bit(DPC_RESET_HA, &ha->dpc_flags) || + test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || + test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || + test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || + test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); + +} /*---------------------------------------------------------------------------*/ /* Defines for qla4xxx_initialize_adapter() and qla4xxx_recover_adapter() */ diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h index 01082aa..0e24c7a 100644 --- a/drivers/scsi/qla4xxx/ql4_fw.h +++ b/drivers/scsi/qla4xxx/ql4_fw.h @@ -146,6 +146,13 @@ struct isp_reg { #define QL4022_NVRAM_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (10+16)) #define QL4022_FLASH_SEM_MASK (QL4022_RESOURCE_MASK_BASE_CODE << (13+16)) +/* nvram address for 4032 */ +#define NVRAM_PORT0_BOOT_MODE 0x03b1 +#define NVRAM_PORT0_BOOT_PRI_TGT 0x03b2 +#define NVRAM_PORT0_BOOT_SEC_TGT 0x03bb +#define NVRAM_PORT1_BOOT_MODE 0x07b1 +#define NVRAM_PORT1_BOOT_PRI_TGT 0x07b2 +#define NVRAM_PORT1_BOOT_SEC_TGT 0x07bb /* Page # defines for 4022 */ @@ -194,6 +201,9 @@ static inline uint32_t clr_rmask(uint32_t val) /* ISP 4022 nvram definitions */ #define NVR_WRITE_ENABLE 0x00000010 /* 4022 */ +#define QL4010_NVRAM_SIZE 0x200 +#define QL40X2_NVRAM_SIZE 0x800 + /* ISP port_status definitions */ /* ISP Semaphore definitions */ @@ -298,6 +308,7 @@ struct qla_flt_header { #define FLT_REG_FW_82 0x74 #define FLT_REG_GOLD_FW_82 0x75 #define FLT_REG_BOOT_CODE_82 0x78 +#define FLT_REG_ISCSI_PARAM 0x65 struct qla_flt_region { uint32_t code; @@ -331,9 +342,11 @@ struct qla_flt_region { #define MBOX_CMD_WRITE_FLASH 0x0025 #define MBOX_CMD_READ_FLASH 0x0026 #define MBOX_CMD_CLEAR_DATABASE_ENTRY 0x0031 +#define MBOX_CMD_CONN_OPEN 0x0074 #define MBOX_CMD_CONN_CLOSE_SESS_LOGOUT 0x0056 -#define LOGOUT_OPTION_CLOSE_SESSION 0x01 -#define LOGOUT_OPTION_RELOGIN 0x02 +#define LOGOUT_OPTION_CLOSE_SESSION 0x0002 +#define LOGOUT_OPTION_RELOGIN 0x0004 +#define LOGOUT_OPTION_FREE_DDB 0x0008 #define MBOX_CMD_EXECUTE_IOCB_A64 0x005A #define MBOX_CMD_INITIALIZE_FIRMWARE 0x0060 #define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK 0x0061 @@ -342,12 +355,15 @@ struct qla_flt_region { #define MBOX_CMD_GET_DATABASE_ENTRY 0x0064 #define DDB_DS_UNASSIGNED 0x00 #define DDB_DS_NO_CONNECTION_ACTIVE 0x01 +#define DDB_DS_DISCOVERY 0x02 #define DDB_DS_SESSION_ACTIVE 0x04 #define DDB_DS_SESSION_FAILED 0x06 #define DDB_DS_LOGIN_IN_PROCESS 0x07 #define MBOX_CMD_GET_FW_STATE 0x0069 #define MBOX_CMD_GET_INIT_FW_CTRL_BLOCK_DEFAULTS 0x006A #define MBOX_CMD_GET_SYS_INFO 0x0078 +#define MBOX_CMD_GET_NVRAM 0x0078 /* For 40xx */ +#define MBOX_CMD_SET_NVRAM 0x0079 /* For 40xx */ #define MBOX_CMD_RESTORE_FACTORY_DEFAULTS 0x0087 #define MBOX_CMD_SET_ACB 0x0088 #define MBOX_CMD_GET_ACB 0x0089 @@ -375,7 +391,10 @@ struct qla_flt_region { #define FW_ADDSTATE_DHCPv4_LEASE_EXPIRED 0x0008 #define FW_ADDSTATE_LINK_UP 0x0010 #define FW_ADDSTATE_ISNS_SVC_ENABLED 0x0020 + #define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS 0x006B +#define IPV6_DEFAULT_DDB_ENTRY 0x0001 + #define MBOX_CMD_CONN_OPEN_SESS_LOGIN 0x0074 #define MBOX_CMD_GET_CRASH_RECORD 0x0076 /* 4010 only */ #define MBOX_CMD_GET_CONN_EVENT_LOG 0x0077 @@ -434,6 +453,14 @@ struct qla_flt_region { #define ACB_STATE_VALID 0x05 #define ACB_STATE_DISABLING 0x06 +/* FLASH offsets */ +#define FLASH_SEGMENT_IFCB 0x04000000 + +#define FLASH_OPT_RMW_HOLD 0 +#define FLASH_OPT_RMW_INIT 1 +#define FLASH_OPT_COMMIT 2 +#define FLASH_OPT_RMW_COMMIT 3 + /*************************************************************************/ /* Host Adapter Initialization Control Block (from host) */ @@ -455,7 +482,8 @@ struct addr_ctrl_blk { uint8_t res0; /* 07 */ uint16_t eth_mtu_size; /* 08-09 */ uint16_t add_fw_options; /* 0A-0B */ -#define SERIALIZE_TASK_MGMT 0x0400 +#define ADFWOPT_SERIALIZE_TASK_MGMT 0x0400 +#define ADFWOPT_AUTOCONN_DISABLE 0x0002 uint8_t hb_interval; /* 0C */ uint8_t inst_num; /* 0D */ @@ -473,8 +501,10 @@ struct addr_ctrl_blk { uint16_t iscsi_opts; /* 30-31 */ uint16_t ipv4_tcp_opts; /* 32-33 */ +#define TCPOPT_DHCP_ENABLE 0x0200 uint16_t ipv4_ip_opts; /* 34-35 */ -#define IPOPT_IPv4_PROTOCOL_ENABLE 0x8000 +#define IPOPT_IPV4_PROTOCOL_ENABLE 0x8000 +#define IPOPT_VLAN_TAGGING_ENABLE 0x2000 uint16_t iscsi_max_pdu_size; /* 36-37 */ uint8_t ipv4_tos; /* 38 */ @@ -526,6 +556,7 @@ struct addr_ctrl_blk { uint16_t ipv6_port; /* 204-205 */ uint16_t ipv6_opts; /* 206-207 */ #define IPV6_OPT_IPV6_PROTOCOL_ENABLE 0x8000 +#define IPV6_OPT_VLAN_TAGGING_ENABLE 0x2000 uint16_t ipv6_addtl_opts; /* 208-209 */ #define IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE 0x0002 /* Pri ACB @@ -574,13 +605,103 @@ struct init_fw_ctrl_blk { /* struct addr_ctrl_blk sec;*/ }; +#define PRIMARI_ACB 0 +#define SECONDARY_ACB 1 + +struct addr_ctrl_blk_def { + uint8_t reserved1[1]; /* 00 */ + uint8_t control; /* 01 */ + uint8_t reserved2[11]; /* 02-0C */ + uint8_t inst_num; /* 0D */ + uint8_t reserved3[34]; /* 0E-2F */ + uint16_t iscsi_opts; /* 30-31 */ + uint16_t ipv4_tcp_opts; /* 32-33 */ + uint16_t ipv4_ip_opts; /* 34-35 */ + uint16_t iscsi_max_pdu_size; /* 36-37 */ + uint8_t ipv4_tos; /* 38 */ + uint8_t ipv4_ttl; /* 39 */ + uint8_t reserved4[2]; /* 3A-3B */ + uint16_t def_timeout; /* 3C-3D */ + uint16_t iscsi_fburst_len; /* 3E-3F */ + uint8_t reserved5[4]; /* 40-43 */ + uint16_t iscsi_max_outstnd_r2t; /* 44-45 */ + uint8_t reserved6[2]; /* 46-47 */ + uint16_t ipv4_port; /* 48-49 */ + uint16_t iscsi_max_burst_len; /* 4A-4B */ + uint8_t reserved7[4]; /* 4C-4F */ + uint8_t ipv4_addr[4]; /* 50-53 */ + uint16_t ipv4_vlan_tag; /* 54-55 */ + uint8_t ipv4_addr_state; /* 56 */ + uint8_t ipv4_cacheid; /* 57 */ + uint8_t reserved8[8]; /* 58-5F */ + uint8_t ipv4_subnet[4]; /* 60-63 */ + uint8_t reserved9[12]; /* 64-6F */ + uint8_t ipv4_gw_addr[4]; /* 70-73 */ + uint8_t reserved10[84]; /* 74-C7 */ + uint8_t abort_timer; /* C8 */ + uint8_t ipv4_tcp_wsf; /* C9 */ + uint8_t reserved11[10]; /* CA-D3 */ + uint8_t ipv4_dhcp_vid_len; /* D4 */ + uint8_t ipv4_dhcp_vid[11]; /* D5-DF */ + uint8_t reserved12[20]; /* E0-F3 */ + uint8_t ipv4_dhcp_alt_cid_len; /* F4 */ + uint8_t ipv4_dhcp_alt_cid[11]; /* F5-FF */ + uint8_t iscsi_name[224]; /* 100-1DF */ + uint8_t reserved13[32]; /* 1E0-1FF */ + uint32_t cookie; /* 200-203 */ + uint16_t ipv6_port; /* 204-205 */ + uint16_t ipv6_opts; /* 206-207 */ + uint16_t ipv6_addtl_opts; /* 208-209 */ + uint16_t ipv6_tcp_opts; /* 20A-20B */ + uint8_t ipv6_tcp_wsf; /* 20C */ + uint16_t ipv6_flow_lbl; /* 20D-20F */ + uint8_t ipv6_dflt_rtr_addr[16]; /* 210-21F */ + uint16_t ipv6_vlan_tag; /* 220-221 */ + uint8_t ipv6_lnk_lcl_addr_state; /* 222 */ + uint8_t ipv6_addr0_state; /* 223 */ + uint8_t ipv6_addr1_state; /* 224 */ + uint8_t ipv6_dflt_rtr_state; /* 225 */ + uint8_t ipv6_traffic_class; /* 226 */ + uint8_t ipv6_hop_limit; /* 227 */ + uint8_t ipv6_if_id[8]; /* 228-22F */ + uint8_t ipv6_addr0[16]; /* 230-23F */ + uint8_t ipv6_addr1[16]; /* 240-24F */ + uint32_t ipv6_nd_reach_time; /* 250-253 */ + uint32_t ipv6_nd_rexmit_timer; /* 254-257 */ + uint32_t ipv6_nd_stale_timeout; /* 258-25B */ + uint8_t ipv6_dup_addr_detect_count; /* 25C */ + uint8_t ipv6_cache_id; /* 25D */ + uint8_t reserved14[18]; /* 25E-26F */ + uint32_t ipv6_gw_advrt_mtu; /* 270-273 */ + uint8_t reserved15[140]; /* 274-2FF */ +}; + /*************************************************************************/ +#define MAX_CHAP_ENTRIES_40XX 128 +#define MAX_CHAP_ENTRIES_82XX 1024 + +struct ql4_chap_table { + uint16_t link; + uint8_t flags; + uint8_t secret_len; +#define MIN_CHAP_SECRET_LEN 12 +#define MAX_CHAP_SECRET_LEN 100 + uint8_t secret[MAX_CHAP_SECRET_LEN]; +#define MAX_CHAP_NAME_LEN 256 + uint8_t name[MAX_CHAP_NAME_LEN]; + uint16_t reserved; +#define CHAP_VALID_COOKIE 0x4092 +#define CHAP_INVALID_COOKIE 0xFFEE + uint16_t cookie; +}; + struct dev_db_entry { uint16_t options; /* 00-01 */ #define DDB_OPT_DISC_SESSION 0x10 #define DDB_OPT_TARGET 0x02 /* device is a target */ #define DDB_OPT_IPV6_DEVICE 0x100 +#define DDB_OPT_AUTO_SENDTGTS_DISABLE 0x40 #define DDB_OPT_IPV6_NULL_LINK_LOCAL 0x800 /* post connection */ #define DDB_OPT_IPV6_FW_DEFINED_LINK_LOCAL 0x800 /* pre connection */ @@ -591,6 +712,7 @@ struct dev_db_entry { uint16_t tcp_options; /* 0A-0B */ uint16_t ip_options; /* 0C-0D */ uint16_t iscsi_max_rcv_data_seg_len; /* 0E-0F */ +#define BYTE_UNITS 512 uint32_t res1; /* 10-13 */ uint16_t iscsi_max_snd_data_seg_len; /* 14-15 */ uint16_t iscsi_first_burst_len; /* 16-17 */ @@ -627,7 +749,10 @@ struct dev_db_entry { uint8_t tcp_rcv_wsf; /* 1C7 */ uint32_t stat_sn; /* 1C8-1CB */ uint32_t exp_stat_sn; /* 1CC-1CF */ - uint8_t res6[0x30]; /* 1D0-1FF */ + uint8_t res6[0x2b]; /* 1D0-1FB */ +#define DDB_VALID_COOKIE 0x9034 + uint16_t cookie; /* 1FC-1FD */ + uint16_t len; /* 1FE-1FF */ }; /*************************************************************************/ @@ -639,6 +764,14 @@ struct dev_db_entry { #define FLASH_EOF_OFFSET (FLASH_DEFAULTBLOCKSIZE-8) /* 4 bytes * for EOF * signature */ +#define FLASH_RAW_ACCESS_ADDR 0x8e000000 + +#define BOOT_PARAM_OFFSET_PORT0 0x3b0 +#define BOOT_PARAM_OFFSET_PORT1 0x7b0 + +#define FLASH_OFFSET_DB_INFO 0x05000000 +#define FLASH_OFFSET_DB_END (FLASH_OFFSET_DB_INFO + 0x7fff) + struct sys_info_phys_addr { uint8_t address[6]; /* 00-05 */ @@ -774,6 +907,7 @@ struct qla4_header { uint8_t entryStatus; uint8_t systemDefined; +#define SD_ISCSI_PDU 0x01 uint8_t entryCount; /* SyetemDefined definition */ @@ -931,21 +1065,22 @@ struct passthru0 { struct qla4_header hdr; /* 00-03 */ uint32_t handle; /* 04-07 */ uint16_t target; /* 08-09 */ - uint16_t connectionID; /* 0A-0B */ + uint16_t connection_id; /* 0A-0B */ #define ISNS_DEFAULT_SERVER_CONN_ID ((uint16_t)0x8000) - uint16_t controlFlags; /* 0C-0D */ + uint16_t control_flags; /* 0C-0D */ #define PT_FLAG_ETHERNET_FRAME 0x8000 #define PT_FLAG_ISNS_PDU 0x8000 #define PT_FLAG_SEND_BUFFER 0x0200 #define PT_FLAG_WAIT_4_RESPONSE 0x0100 +#define PT_FLAG_ISCSI_PDU 0x1000 uint16_t timeout; /* 0E-0F */ #define PT_DEFAULT_TIMEOUT 30 /* seconds */ - struct data_seg_a64 outDataSeg64; /* 10-1B */ + struct data_seg_a64 out_dsd; /* 10-1B */ uint32_t res1; /* 1C-1F */ - struct data_seg_a64 inDataSeg64; /* 20-2B */ + struct data_seg_a64 in_dsd; /* 20-2B */ uint8_t res2[20]; /* 2C-3F */ }; @@ -978,4 +1113,43 @@ struct response { #define RESPONSE_PROCESSED 0xDEADDEAD /* Signature */ }; +struct ql_iscsi_stats { + uint8_t reserved1[656]; /* 0000-028F */ + uint32_t tx_cmd_pdu; /* 0290-0293 */ + uint32_t tx_resp_pdu; /* 0294-0297 */ + uint32_t rx_cmd_pdu; /* 0298-029B */ + uint32_t rx_resp_pdu; /* 029C-029F */ + + uint64_t tx_data_octets; /* 02A0-02A7 */ + uint64_t rx_data_octets; /* 02A8-02AF */ + + uint32_t hdr_digest_err; /* 02B0–02B3 */ + uint32_t data_digest_err; /* 02B4–02B7 */ + uint32_t conn_timeout_err; /* 02B8–02BB */ + uint32_t framing_err; /* 02BC–02BF */ + + uint32_t tx_nopout_pdus; /* 02C0–02C3 */ + uint32_t tx_scsi_cmd_pdus; /* 02C4–02C7 */ + uint32_t tx_tmf_cmd_pdus; /* 02C8–02CB */ + uint32_t tx_login_cmd_pdus; /* 02CC–02CF */ + uint32_t tx_text_cmd_pdus; /* 02D0–02D3 */ + uint32_t tx_scsi_write_pdus; /* 02D4–02D7 */ + uint32_t tx_logout_cmd_pdus; /* 02D8–02DB */ + uint32_t tx_snack_req_pdus; /* 02DC–02DF */ + + uint32_t rx_nopin_pdus; /* 02E0–02E3 */ + uint32_t rx_scsi_resp_pdus; /* 02E4–02E7 */ + uint32_t rx_tmf_resp_pdus; /* 02E8–02EB */ + uint32_t rx_login_resp_pdus; /* 02EC–02EF */ + uint32_t rx_text_resp_pdus; /* 02F0–02F3 */ + uint32_t rx_scsi_read_pdus; /* 02F4–02F7 */ + uint32_t rx_logout_resp_pdus; /* 02F8–02FB */ + + uint32_t rx_r2t_pdus; /* 02FC–02FF */ + uint32_t rx_async_pdus; /* 0300–0303 */ + uint32_t rx_reject_pdus; /* 0304–0307 */ + + uint8_t reserved2[264]; /* 0x0308 - 0x040F */ +}; + #endif /* _QLA4X_FW_H */ diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index a53a256..160db9d 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -12,20 +12,15 @@ struct iscsi_cls_conn; int qla4xxx_hw_reset(struct scsi_qla_host *ha); int ql4xxx_lock_drvr_wait(struct scsi_qla_host *a); -int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port); int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb *srb); -int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, - uint8_t renew_ddb_list); +int qla4xxx_initialize_adapter(struct scsi_qla_host *ha); int qla4xxx_soft_reset(struct scsi_qla_host *ha); irqreturn_t qla4xxx_intr_handler(int irq, void *dev_id); -void qla4xxx_free_ddb_list(struct scsi_qla_host *ha); void qla4xxx_free_ddb(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry); void qla4xxx_process_aen(struct scsi_qla_host *ha, uint8_t process_aen); int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host *ha); -int qla4xxx_relogin_device(struct scsi_qla_host *ha, - struct ddb_entry *ddb_entry); int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb); int qla4xxx_reset_lun(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry, int lun); @@ -51,15 +46,24 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, uint16_t *connection_id); int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, - dma_addr_t fw_ddb_entry_dma); - -void qla4xxx_mark_device_missing(struct scsi_qla_host *ha, - struct ddb_entry *ddb_entry); + dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts); +uint8_t qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, + uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma); +int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha, + uint16_t fw_ddb_index, + uint16_t connection_id, + uint16_t option); +int qla4xxx_disable_acb(struct scsi_qla_host *ha); +int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, + uint32_t *mbox_sts, dma_addr_t acb_dma); +int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma, + uint32_t acb_type, uint32_t len); +int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx, + uint32_t ip_idx, uint32_t *sts); +void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session); u16 rd_nvram_word(struct scsi_qla_host *ha, int offset); +u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset); void qla4xxx_get_crash_record(struct scsi_qla_host *ha); -struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha); -int qla4xxx_add_sess(struct ddb_entry *); -void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry); int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host *ha); int qla4xxx_about_firmware(struct scsi_qla_host *ha); void qla4xxx_interrupt_service_routine(struct scsi_qla_host *ha, @@ -68,14 +72,13 @@ int qla4xxx_init_rings(struct scsi_qla_host *ha); void qla4xxx_srb_compl(struct kref *ref); struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, uint32_t index); -int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha); int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index, uint32_t state, uint32_t conn_error); void qla4xxx_dump_buffer(void *b, uint32_t size); int qla4xxx_send_marker_iocb(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry, int lun, uint16_t mrkr_mod); -int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err); - +int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr, + uint32_t offset, uint32_t length, uint32_t options); int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts); @@ -95,6 +98,11 @@ void qla4xxx_wake_dpc(struct scsi_qla_host *ha); void qla4xxx_get_conn_event_log(struct scsi_qla_host *ha); void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha); void qla4xxx_dump_registers(struct scsi_qla_host *ha); +uint8_t qla4xxx_update_local_ifcb(struct scsi_qla_host *ha, + uint32_t *mbox_cmd, + uint32_t *mbox_sts, + struct addr_ctrl_blk *init_fw_cb, + dma_addr_t init_fw_cb_dma); void qla4_8xxx_pci_config(struct scsi_qla_host *); int qla4_8xxx_iospace_config(struct scsi_qla_host *ha); @@ -134,6 +142,37 @@ int qla4_8xxx_device_state_handler(struct scsi_qla_host *ha); void qla4_8xxx_need_qsnt_handler(struct scsi_qla_host *ha); void qla4_8xxx_clear_drv_active(struct scsi_qla_host *ha); void qla4_8xxx_set_drv_active(struct scsi_qla_host *ha); +int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index); +int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry, + struct iscsi_cls_conn *cls_conn, + uint32_t *mbx_sts); +int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry, int options); +int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index, + uint32_t *mbx_sts); +int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t fw_ddb_index); +int qla4xxx_send_passthru0(struct iscsi_task *task); +int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index, + uint16_t stats_size, dma_addr_t stats_dma); +void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry); +int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha, + struct dev_db_entry *fw_ddb_entry, + dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index); +int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, + char *password, uint16_t idx); +int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, + uint32_t offset, uint32_t size); +int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, + uint32_t offset, uint32_t size); +int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha, + uint32_t region, uint32_t field0, + uint32_t field1); + +/* BSG Functions */ +int qla4xxx_bsg_request(struct bsg_job *bsg_job); +int qla4xxx_process_vendor_specific(struct bsg_job *bsg_job); extern int ql4xextended_error_logging; extern int ql4xdontresethba; diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 42ed5db..b0bffe1 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -11,9 +11,6 @@ #include "ql4_dbg.h" #include "ql4_inline.h" -static struct ddb_entry *qla4xxx_alloc_ddb(struct scsi_qla_host *ha, - uint32_t fw_ddb_index); - static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) { uint32_t value; @@ -48,41 +45,15 @@ static void ql4xxx_set_mac_number(struct scsi_qla_host *ha) * @ha: pointer to host adapter structure. * @ddb_entry: pointer to device database entry * - * This routine deallocates and unlinks the specified ddb_entry from the - * adapter's + * This routine marks a DDB entry INVALID **/ void qla4xxx_free_ddb(struct scsi_qla_host *ha, struct ddb_entry *ddb_entry) { - /* Remove device entry from list */ - list_del_init(&ddb_entry->list); - /* Remove device pointer from index mapping arrays */ ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = (struct ddb_entry *) INVALID_ENTRY; ha->tot_ddbs--; - - /* Free memory and scsi-ml struct for device entry */ - qla4xxx_destroy_sess(ddb_entry); -} - -/** - * qla4xxx_free_ddb_list - deallocate all ddbs - * @ha: pointer to host adapter structure. - * - * This routine deallocates and removes all devices on the sppecified adapter. - **/ -void qla4xxx_free_ddb_list(struct scsi_qla_host *ha) -{ - struct list_head *ptr; - struct ddb_entry *ddb_entry; - - while (!list_empty(&ha->ddb_list)) { - ptr = ha->ddb_list.next; - /* Free memory for device entry and remove */ - ddb_entry = list_entry(ptr, struct ddb_entry, list); - qla4xxx_free_ddb(ha, ddb_entry); - } } /** @@ -236,38 +207,44 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED) == 0)) { ipv4_wait = 1; } - if (((ha->ipv6_addl_options & - IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && - ((ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) || - (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) || - (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING))) { + if (((ha->ip_config.ipv6_addl_options & + IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) != 0) && + ((ha->ip_config.ipv6_link_local_state == + IP_ADDRSTATE_ACQUIRING) || + (ha->ip_config.ipv6_addr0_state == + IP_ADDRSTATE_ACQUIRING) || + (ha->ip_config.ipv6_addr1_state == + IP_ADDRSTATE_ACQUIRING))) { ipv6_wait = 1; - if ((ha->ipv6_link_local_state == - IP_ADDRSTATE_PREFERRED) || - (ha->ipv6_addr0_state == IP_ADDRSTATE_PREFERRED) || - (ha->ipv6_addr1_state == IP_ADDRSTATE_PREFERRED)) { + if ((ha->ip_config.ipv6_link_local_state == + IP_ADDRSTATE_PREFERRED) || + (ha->ip_config.ipv6_addr0_state == + IP_ADDRSTATE_PREFERRED) || + (ha->ip_config.ipv6_addr1_state == + IP_ADDRSTATE_PREFERRED)) { DEBUG2(printk(KERN_INFO "scsi%ld: %s: " "Preferred IP configured." " Don't wait!\n", ha->host_no, __func__)); ipv6_wait = 0; } - if (memcmp(&ha->ipv6_default_router_addr, ip_address, - IPv6_ADDR_LEN) == 0) { + if (memcmp(&ha->ip_config.ipv6_default_router_addr, + ip_address, IPv6_ADDR_LEN) == 0) { DEBUG2(printk(KERN_INFO "scsi%ld: %s: " "No Router configured. " "Don't wait!\n", ha->host_no, __func__)); ipv6_wait = 0; } - if ((ha->ipv6_default_router_state == - IPV6_RTRSTATE_MANUAL) && - (ha->ipv6_link_local_state == - IP_ADDRSTATE_TENTATIVE) && - (memcmp(&ha->ipv6_link_local_addr, - &ha->ipv6_default_router_addr, 4) == 0)) { + if ((ha->ip_config.ipv6_default_router_state == + IPV6_RTRSTATE_MANUAL) && + (ha->ip_config.ipv6_link_local_state == + IP_ADDRSTATE_TENTATIVE) && + (memcmp(&ha->ip_config.ipv6_link_local_addr, + &ha->ip_config.ipv6_default_router_addr, 4) == + 0)) { DEBUG2(printk("scsi%ld: %s: LinkLocal Router & " "IP configured. Don't wait!\n", ha->host_no, __func__)); @@ -279,11 +256,14 @@ qla4xxx_wait_for_ip_config(struct scsi_qla_host *ha) "IP(s) \"", ha->host_no, __func__)); if (ipv4_wait) DEBUG2(printk("IPv4 ")); - if (ha->ipv6_link_local_state == IP_ADDRSTATE_ACQUIRING) + if (ha->ip_config.ipv6_link_local_state == + IP_ADDRSTATE_ACQUIRING) DEBUG2(printk("IPv6LinkLocal ")); - if (ha->ipv6_addr0_state == IP_ADDRSTATE_ACQUIRING) + if (ha->ip_config.ipv6_addr0_state == + IP_ADDRSTATE_ACQUIRING) DEBUG2(printk("IPv6Addr0 ")); - if (ha->ipv6_addr1_state == IP_ADDRSTATE_ACQUIRING) + if (ha->ip_config.ipv6_addr1_state == + IP_ADDRSTATE_ACQUIRING) DEBUG2(printk("IPv6Addr1 ")); DEBUG2(printk("\"\n")); } @@ -466,486 +446,19 @@ static int qla4xxx_init_firmware(struct scsi_qla_host *ha) return qla4xxx_get_firmware_status(ha); } -static struct ddb_entry* qla4xxx_get_ddb_entry(struct scsi_qla_host *ha, - uint32_t fw_ddb_index, - uint32_t *new_tgt) -{ - struct dev_db_entry *fw_ddb_entry = NULL; - dma_addr_t fw_ddb_entry_dma; - struct ddb_entry *ddb_entry = NULL; - int found = 0; - uint32_t device_state; - - *new_tgt = 0; - /* Make sure the dma buffer is valid */ - fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, - sizeof(*fw_ddb_entry), - &fw_ddb_entry_dma, GFP_KERNEL); - if (fw_ddb_entry == NULL) { - DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", - ha->host_no, __func__)); - goto exit_get_ddb_entry_no_free; - } - - if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry, - fw_ddb_entry_dma, NULL, NULL, - &device_state, NULL, NULL, NULL) == - QLA_ERROR) { - DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for " - "fw_ddb_index %d\n", ha->host_no, __func__, - fw_ddb_index)); - goto exit_get_ddb_entry; - } - - /* Allocate DDB if not already allocated. */ - DEBUG2(printk("scsi%ld: %s: Looking for ddb[%d]\n", ha->host_no, - __func__, fw_ddb_index)); - list_for_each_entry(ddb_entry, &ha->ddb_list, list) { - if ((memcmp(ddb_entry->iscsi_name, fw_ddb_entry->iscsi_name, - ISCSI_NAME_SIZE) == 0) && - (ddb_entry->tpgt == - le32_to_cpu(fw_ddb_entry->tgt_portal_grp)) && - (memcmp(ddb_entry->isid, fw_ddb_entry->isid, - sizeof(ddb_entry->isid)) == 0)) { - found++; - break; - } - } - - /* if not found allocate new ddb */ - if (!found) { - DEBUG2(printk("scsi%ld: %s: ddb[%d] not found - allocating " - "new ddb\n", ha->host_no, __func__, - fw_ddb_index)); - *new_tgt = 1; - ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index); - } - -exit_get_ddb_entry: - dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, - fw_ddb_entry_dma); - -exit_get_ddb_entry_no_free: - return ddb_entry; -} - -/** - * qla4xxx_update_ddb_entry - update driver's internal ddb - * @ha: pointer to host adapter structure. - * @ddb_entry: pointer to device database structure to be filled - * @fw_ddb_index: index of the ddb entry in fw ddb table - * - * This routine updates the driver's internal device database entry - * with information retrieved from the firmware's device database - * entry for the specified device. The ddb_entry->fw_ddb_index field - * must be initialized prior to calling this routine - * - **/ -static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha, - struct ddb_entry *ddb_entry, - uint32_t fw_ddb_index) -{ - struct dev_db_entry *fw_ddb_entry = NULL; - dma_addr_t fw_ddb_entry_dma; - int status = QLA_ERROR; - uint32_t conn_err; - - if (ddb_entry == NULL) { - DEBUG2(printk("scsi%ld: %s: ddb_entry is NULL\n", ha->host_no, - __func__)); - - goto exit_update_ddb_no_free; - } - - /* Make sure the dma buffer is valid */ - fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, - sizeof(*fw_ddb_entry), - &fw_ddb_entry_dma, GFP_KERNEL); - if (fw_ddb_entry == NULL) { - DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", - ha->host_no, __func__)); - - goto exit_update_ddb_no_free; - } - - if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry, - fw_ddb_entry_dma, NULL, NULL, - &ddb_entry->fw_ddb_device_state, &conn_err, - &ddb_entry->tcp_source_port_num, - &ddb_entry->connection_id) == - QLA_ERROR) { - DEBUG2(printk("scsi%ld: %s: failed get_ddb_entry for " - "fw_ddb_index %d\n", ha->host_no, __func__, - fw_ddb_index)); - - goto exit_update_ddb; - } - - status = QLA_SUCCESS; - ddb_entry->options = le16_to_cpu(fw_ddb_entry->options); - ddb_entry->target_session_id = le16_to_cpu(fw_ddb_entry->tsid); - ddb_entry->task_mgmt_timeout = - le16_to_cpu(fw_ddb_entry->def_timeout); - ddb_entry->CmdSn = 0; - ddb_entry->exe_throttle = le16_to_cpu(fw_ddb_entry->exec_throttle); - ddb_entry->default_relogin_timeout = - le16_to_cpu(fw_ddb_entry->def_timeout); - ddb_entry->default_time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); - - /* Update index in case it changed */ - ddb_entry->fw_ddb_index = fw_ddb_index; - ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry; - - ddb_entry->port = le16_to_cpu(fw_ddb_entry->port); - ddb_entry->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); - memcpy(ddb_entry->isid, fw_ddb_entry->isid, sizeof(ddb_entry->isid)); - - memcpy(&ddb_entry->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], - min(sizeof(ddb_entry->iscsi_name), - sizeof(fw_ddb_entry->iscsi_name))); - memcpy(&ddb_entry->iscsi_alias[0], &fw_ddb_entry->iscsi_alias[0], - min(sizeof(ddb_entry->iscsi_alias), - sizeof(fw_ddb_entry->iscsi_alias))); - memcpy(&ddb_entry->ip_addr[0], &fw_ddb_entry->ip_addr[0], - min(sizeof(ddb_entry->ip_addr), sizeof(fw_ddb_entry->ip_addr))); - - ddb_entry->iscsi_max_burst_len = fw_ddb_entry->iscsi_max_burst_len; - ddb_entry->iscsi_max_outsnd_r2t = fw_ddb_entry->iscsi_max_outsnd_r2t; - ddb_entry->iscsi_first_burst_len = fw_ddb_entry->iscsi_first_burst_len; - ddb_entry->iscsi_max_rcv_data_seg_len = - fw_ddb_entry->iscsi_max_rcv_data_seg_len; - ddb_entry->iscsi_max_snd_data_seg_len = - fw_ddb_entry->iscsi_max_snd_data_seg_len; - - if (ddb_entry->options & DDB_OPT_IPV6_DEVICE) { - memcpy(&ddb_entry->remote_ipv6_addr, - fw_ddb_entry->ip_addr, - min(sizeof(ddb_entry->remote_ipv6_addr), - sizeof(fw_ddb_entry->ip_addr))); - memcpy(&ddb_entry->link_local_ipv6_addr, - fw_ddb_entry->link_local_ipv6_addr, - min(sizeof(ddb_entry->link_local_ipv6_addr), - sizeof(fw_ddb_entry->link_local_ipv6_addr))); - - DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x" - " ConnErr %08x IP %pI6 " - ":%04d \"%s\"\n", - __func__, fw_ddb_index, - ddb_entry->fw_ddb_device_state, - conn_err, fw_ddb_entry->ip_addr, - le16_to_cpu(fw_ddb_entry->port), - fw_ddb_entry->iscsi_name)); - } else - DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DDB[%d] State %04x" - " ConnErr %08x IP %pI4 " - ":%04d \"%s\"\n", - __func__, fw_ddb_index, - ddb_entry->fw_ddb_device_state, - conn_err, fw_ddb_entry->ip_addr, - le16_to_cpu(fw_ddb_entry->port), - fw_ddb_entry->iscsi_name)); -exit_update_ddb: - if (fw_ddb_entry) - dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), - fw_ddb_entry, fw_ddb_entry_dma); - -exit_update_ddb_no_free: - return status; -} - -/** - * qla4xxx_alloc_ddb - allocate device database entry - * @ha: Pointer to host adapter structure. - * @fw_ddb_index: Firmware's device database index - * - * This routine allocates a ddb_entry, ititializes some values, and - * inserts it into the ddb list. - **/ -static struct ddb_entry * qla4xxx_alloc_ddb(struct scsi_qla_host *ha, - uint32_t fw_ddb_index) +static void qla4xxx_set_model_info(struct scsi_qla_host *ha) { - struct ddb_entry *ddb_entry; - - DEBUG2(printk("scsi%ld: %s: fw_ddb_index [%d]\n", ha->host_no, - __func__, fw_ddb_index)); - - ddb_entry = qla4xxx_alloc_sess(ha); - if (ddb_entry == NULL) { - DEBUG2(printk("scsi%ld: %s: Unable to allocate memory " - "to add fw_ddb_index [%d]\n", - ha->host_no, __func__, fw_ddb_index)); - return ddb_entry; - } - - ddb_entry->fw_ddb_index = fw_ddb_index; - atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); - atomic_set(&ddb_entry->relogin_timer, 0); - atomic_set(&ddb_entry->relogin_retry_count, 0); - atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); - list_add_tail(&ddb_entry->list, &ha->ddb_list); - ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry; - ha->tot_ddbs++; + uint16_t board_id_string[8]; + int i; + int size = sizeof(ha->nvram->isp4022.boardIdStr); + int offset = offsetof(struct eeprom_data, isp4022.boardIdStr) / 2; - return ddb_entry; -} - -/** - * qla4_is_relogin_allowed - Are we allowed to login? - * @ha: Pointer to host adapter structure. - * @conn_err: Last connection error associated with the ddb - * - * This routine tests the given connection error to determine if - * we are allowed to login. - **/ -int qla4_is_relogin_allowed(struct scsi_qla_host *ha, uint32_t conn_err) -{ - uint32_t err_code, login_rsp_sts_class; - int relogin = 1; - - err_code = ((conn_err & 0x00ff0000) >> 16); - login_rsp_sts_class = ((conn_err & 0x0000ff00) >> 8); - if (err_code == 0x1c || err_code == 0x06) { - DEBUG2(ql4_printk(KERN_INFO, ha, - ": conn_err=0x%08x, send target completed" - " or access denied failure\n", conn_err)); - relogin = 0; - } - if ((err_code == 0x08) && (login_rsp_sts_class == 0x02)) { - /* Login Response PDU returned an error. - Login Response Status in Error Code Detail - indicates login should not be retried.*/ - DEBUG2(ql4_printk(KERN_INFO, ha, - ": conn_err=0x%08x, do not retry relogin\n", - conn_err)); - relogin = 0; + for (i = 0; i < (size / 2) ; i++) { + board_id_string[i] = rd_nvram_word(ha, offset); + offset += 1; } - return relogin; -} - -static void qla4xxx_flush_AENS(struct scsi_qla_host *ha) -{ - unsigned long wtime; - - /* Flush the 0x8014 AEN from the firmware as a result of - * Auto connect. We are basically doing get_firmware_ddb() - * to determine whether we need to log back in or not. - * Trying to do a set ddb before we have processed 0x8014 - * will result in another set_ddb() for the same ddb. In other - * words there will be stale entries in the aen_q. - */ - wtime = jiffies + (2 * HZ); - do { - if (qla4xxx_get_firmware_state(ha) == QLA_SUCCESS) - if (ha->firmware_state & (BIT_2 | BIT_0)) - return; - - if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) - qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); - - msleep(1000); - } while (!time_after_eq(jiffies, wtime)); -} - -/** - * qla4xxx_build_ddb_list - builds driver ddb list - * @ha: Pointer to host adapter structure. - * - * This routine searches for all valid firmware ddb entries and builds - * an internal ddb list. Ddbs that are considered valid are those with - * a device state of SESSION_ACTIVE. - * A relogin (set_ddb) is issued for DDBs that are not online. - **/ -static int qla4xxx_build_ddb_list(struct scsi_qla_host *ha) -{ - int status = QLA_ERROR; - uint32_t fw_ddb_index = 0; - uint32_t next_fw_ddb_index = 0; - uint32_t ddb_state; - uint32_t conn_err; - struct ddb_entry *ddb_entry; - struct dev_db_entry *fw_ddb_entry = NULL; - dma_addr_t fw_ddb_entry_dma; - uint32_t ipv6_device; - uint32_t new_tgt; - - qla4xxx_flush_AENS(ha); - - fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), - &fw_ddb_entry_dma, GFP_KERNEL); - if (fw_ddb_entry == NULL) { - DEBUG2(ql4_printk(KERN_INFO, ha, "%s: DMA alloc failed\n", - __func__)); - - goto exit_build_ddb_list_no_free; - } - - ql4_printk(KERN_INFO, ha, "Initializing DDBs ...\n"); - for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES; - fw_ddb_index = next_fw_ddb_index) { - /* First, let's see if a device exists here */ - if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, fw_ddb_entry, - 0, NULL, &next_fw_ddb_index, - &ddb_state, &conn_err, - NULL, NULL) == - QLA_ERROR) { - DEBUG2(printk("scsi%ld: %s: get_ddb_entry, " - "fw_ddb_index %d failed", ha->host_no, - __func__, fw_ddb_index)); - goto exit_build_ddb_list; - } - - DEBUG2(printk("scsi%ld: %s: Getting DDB[%d] ddbstate=0x%x, " - "next_fw_ddb_index=%d.\n", ha->host_no, __func__, - fw_ddb_index, ddb_state, next_fw_ddb_index)); - - /* Issue relogin, if necessary. */ - if (ddb_state == DDB_DS_SESSION_FAILED || - ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) { - /* Try and login to device */ - DEBUG2(printk("scsi%ld: %s: Login to DDB[%d]\n", - ha->host_no, __func__, fw_ddb_index)); - ipv6_device = le16_to_cpu(fw_ddb_entry->options) & - DDB_OPT_IPV6_DEVICE; - if (qla4_is_relogin_allowed(ha, conn_err) && - ((!ipv6_device && - *((uint32_t *)fw_ddb_entry->ip_addr)) - || ipv6_device)) { - qla4xxx_set_ddb_entry(ha, fw_ddb_index, 0); - if (qla4xxx_get_fwddb_entry(ha, fw_ddb_index, - NULL, 0, NULL, - &next_fw_ddb_index, - &ddb_state, &conn_err, - NULL, NULL) - == QLA_ERROR) { - DEBUG2(printk("scsi%ld: %s:" - "get_ddb_entry %d failed\n", - ha->host_no, - __func__, fw_ddb_index)); - goto exit_build_ddb_list; - } - } - } - - if (ddb_state != DDB_DS_SESSION_ACTIVE) - goto next_one; - /* - * if fw_ddb with session active state found, - * add to ddb_list - */ - DEBUG2(printk("scsi%ld: %s: DDB[%d] added to list\n", - ha->host_no, __func__, fw_ddb_index)); - - /* Add DDB to internal our ddb list. */ - ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt); - if (ddb_entry == NULL) { - DEBUG2(printk("scsi%ld: %s: Unable to allocate memory " - "for device at fw_ddb_index %d\n", - ha->host_no, __func__, fw_ddb_index)); - goto exit_build_ddb_list; - } - /* Fill in the device structure */ - if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) == - QLA_ERROR) { - ha->fw_ddb_index_map[fw_ddb_index] = - (struct ddb_entry *)INVALID_ENTRY; - - DEBUG2(printk("scsi%ld: %s: update_ddb_entry failed " - "for fw_ddb_index %d.\n", - ha->host_no, __func__, fw_ddb_index)); - goto exit_build_ddb_list; - } - -next_one: - /* We know we've reached the last device when - * next_fw_ddb_index is 0 */ - if (next_fw_ddb_index == 0) - break; - } - - status = QLA_SUCCESS; - ql4_printk(KERN_INFO, ha, "DDB list done..\n"); - -exit_build_ddb_list: - dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, - fw_ddb_entry_dma); - -exit_build_ddb_list_no_free: - return status; -} - -static int qla4xxx_initialize_ddb_list(struct scsi_qla_host *ha) -{ - uint16_t fw_ddb_index; - int status = QLA_SUCCESS; - - /* free the ddb list if is not empty */ - if (!list_empty(&ha->ddb_list)) - qla4xxx_free_ddb_list(ha); - - for (fw_ddb_index = 0; fw_ddb_index < MAX_DDB_ENTRIES; fw_ddb_index++) - ha->fw_ddb_index_map[fw_ddb_index] = - (struct ddb_entry *)INVALID_ENTRY; - - ha->tot_ddbs = 0; - - /* Perform device discovery and build ddb list. */ - status = qla4xxx_build_ddb_list(ha); - - return status; -} - -/** - * qla4xxx_reinitialize_ddb_list - update the driver ddb list - * @ha: pointer to host adapter structure. - * - * This routine obtains device information from the F/W database after - * firmware or adapter resets. The device table is preserved. - **/ -int qla4xxx_reinitialize_ddb_list(struct scsi_qla_host *ha) -{ - int status = QLA_SUCCESS; - struct ddb_entry *ddb_entry, *detemp; - - /* Update the device information for all devices. */ - list_for_each_entry_safe(ddb_entry, detemp, &ha->ddb_list, list) { - qla4xxx_update_ddb_entry(ha, ddb_entry, - ddb_entry->fw_ddb_index); - if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { - atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); - DEBUG2(printk ("scsi%ld: %s: ddb index [%d] marked " - "ONLINE\n", ha->host_no, __func__, - ddb_entry->fw_ddb_index)); - iscsi_unblock_session(ddb_entry->sess); - } else if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) - qla4xxx_mark_device_missing(ha, ddb_entry); - } - return status; -} - -/** - * qla4xxx_relogin_device - re-establish session - * @ha: Pointer to host adapter structure. - * @ddb_entry: Pointer to device database entry - * - * This routine does a session relogin with the specified device. - * The ddb entry must be assigned prior to making this call. - **/ -int qla4xxx_relogin_device(struct scsi_qla_host *ha, - struct ddb_entry * ddb_entry) -{ - uint16_t relogin_timer; - - relogin_timer = max(ddb_entry->default_relogin_timeout, - (uint16_t)RELOGIN_TOV); - atomic_set(&ddb_entry->relogin_timer, relogin_timer); - - DEBUG2(printk("scsi%ld: Relogin ddb [%d]. TOV=%d\n", ha->host_no, - ddb_entry->fw_ddb_index, relogin_timer)); - - qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, 0); - - return QLA_SUCCESS; + memcpy(ha->model_name, board_id_string, size); } static int qla4xxx_config_nvram(struct scsi_qla_host *ha) @@ -983,6 +496,12 @@ static int qla4xxx_config_nvram(struct scsi_qla_host *ha) else return QLA_ERROR; } + + if (is_qla4022(ha) || is_qla4032(ha)) + qla4xxx_set_model_info(ha); + else + strcpy(ha->model_name, "QLA4010"); + DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n", ha->host_no, __func__, extHwConfig.Asuint32_t)); @@ -1251,18 +770,13 @@ int qla4xxx_start_firmware(struct scsi_qla_host *ha) /** * qla4xxx_initialize_adapter - initiailizes hba * @ha: Pointer to host adapter structure. - * @renew_ddb_list: Indicates what to do with the adapter's ddb list - * after adapter recovery has completed. - * 0=preserve ddb list, 1=destroy and rebuild ddb list * * This routine parforms all of the steps necessary to initialize the adapter. * **/ -int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, - uint8_t renew_ddb_list) +int qla4xxx_initialize_adapter(struct scsi_qla_host *ha) { int status = QLA_ERROR; - int8_t ip_address[IP_ADDR_LEN] = {0} ; ha->eeprom_cmd_data = 0; @@ -1288,47 +802,6 @@ int qla4xxx_initialize_adapter(struct scsi_qla_host *ha, if (status == QLA_ERROR) goto exit_init_hba; - /* - * FW is waiting to get an IP address from DHCP server: Skip building - * the ddb_list and wait for DHCP lease acquired aen to come in - * followed by 0x8014 aen" to trigger the tgt discovery process. - */ - if (ha->firmware_state & FW_STATE_CONFIGURING_IP) - goto exit_init_online; - - /* Skip device discovery if ip and subnet is zero */ - if (memcmp(ha->ip_address, ip_address, IP_ADDR_LEN) == 0 || - memcmp(ha->subnet_mask, ip_address, IP_ADDR_LEN) == 0) - goto exit_init_online; - - if (renew_ddb_list == PRESERVE_DDB_LIST) { - /* - * We want to preserve lun states (i.e. suspended, etc.) - * for recovery initiated by the driver. So just update - * the device states for the existing ddb_list. - */ - qla4xxx_reinitialize_ddb_list(ha); - } else if (renew_ddb_list == REBUILD_DDB_LIST) { - /* - * We want to build the ddb_list from scratch during - * driver initialization and recovery initiated by the - * INT_HBA_RESET IOCTL. - */ - status = qla4xxx_initialize_ddb_list(ha); - if (status == QLA_ERROR) { - DEBUG2(printk("%s(%ld) Error occurred during build" - "ddb list\n", __func__, ha->host_no)); - goto exit_init_hba; - } - - } - if (!ha->tot_ddbs) { - DEBUG2(printk("scsi%ld: Failed to initialize devices or none " - "present in Firmware device database\n", - ha->host_no)); - } - -exit_init_online: set_bit(AF_ONLINE, &ha->flags); exit_init_hba: if (is_qla8022(ha) && (status == QLA_ERROR)) { @@ -1343,61 +816,6 @@ exit_init_hba: } /** - * qla4xxx_add_device_dynamically - ddb addition due to an AEN - * @ha: Pointer to host adapter structure. - * @fw_ddb_index: Firmware's device database index - * - * This routine processes adds a device as a result of an 8014h AEN. - **/ -static void qla4xxx_add_device_dynamically(struct scsi_qla_host *ha, - uint32_t fw_ddb_index) -{ - struct ddb_entry * ddb_entry; - uint32_t new_tgt; - - /* First allocate a device structure */ - ddb_entry = qla4xxx_get_ddb_entry(ha, fw_ddb_index, &new_tgt); - if (ddb_entry == NULL) { - DEBUG2(printk(KERN_WARNING - "scsi%ld: Unable to allocate memory to add " - "fw_ddb_index %d\n", ha->host_no, fw_ddb_index)); - return; - } - - if (!new_tgt && (ddb_entry->fw_ddb_index != fw_ddb_index)) { - /* Target has been bound to a new fw_ddb_index */ - qla4xxx_free_ddb(ha, ddb_entry); - ddb_entry = qla4xxx_alloc_ddb(ha, fw_ddb_index); - if (ddb_entry == NULL) { - DEBUG2(printk(KERN_WARNING - "scsi%ld: Unable to allocate memory" - " to add fw_ddb_index %d\n", - ha->host_no, fw_ddb_index)); - return; - } - } - if (qla4xxx_update_ddb_entry(ha, ddb_entry, fw_ddb_index) == - QLA_ERROR) { - ha->fw_ddb_index_map[fw_ddb_index] = - (struct ddb_entry *)INVALID_ENTRY; - DEBUG2(printk(KERN_WARNING - "scsi%ld: failed to add new device at index " - "[%d]\n Unable to retrieve fw ddb entry\n", - ha->host_no, fw_ddb_index)); - qla4xxx_free_ddb(ha, ddb_entry); - return; - } - - if (qla4xxx_add_sess(ddb_entry)) { - DEBUG2(printk(KERN_WARNING - "scsi%ld: failed to add new device at index " - "[%d]\n Unable to add connection and session\n", - ha->host_no, fw_ddb_index)); - qla4xxx_free_ddb(ha, ddb_entry); - } -} - -/** * qla4xxx_process_ddb_changed - process ddb state change * @ha - Pointer to host adapter structure. * @fw_ddb_index - Firmware's device database index @@ -1409,88 +827,66 @@ int qla4xxx_process_ddb_changed(struct scsi_qla_host *ha, uint32_t fw_ddb_index, uint32_t state, uint32_t conn_err) { struct ddb_entry * ddb_entry; + uint32_t old_fw_ddb_device_state; + int status = QLA_ERROR; /* check for out of range index */ if (fw_ddb_index >= MAX_DDB_ENTRIES) - return QLA_ERROR; + goto exit_ddb_event; /* Get the corresponging ddb entry */ ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); /* Device does not currently exist in our database. */ if (ddb_entry == NULL) { - if (state == DDB_DS_SESSION_ACTIVE) - qla4xxx_add_device_dynamically(ha, fw_ddb_index); - return QLA_SUCCESS; + ql4_printk(KERN_ERR, ha, "%s: No ddb_entry at FW index [%d]\n", + __func__, fw_ddb_index); + goto exit_ddb_event; } - /* Device already exists in our database. */ - DEBUG2(printk("scsi%ld: %s DDB - old state= 0x%x, new state=0x%x for " - "index [%d]\n", ha->host_no, __func__, - ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); + old_fw_ddb_device_state = ddb_entry->fw_ddb_device_state; + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: DDB - old state = 0x%x, new state = 0x%x for " + "index [%d]\n", __func__, + ddb_entry->fw_ddb_device_state, state, fw_ddb_index)); ddb_entry->fw_ddb_device_state = state; - /* Device is back online. */ - if ((ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) && - (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)) { - atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); - atomic_set(&ddb_entry->relogin_retry_count, 0); - atomic_set(&ddb_entry->relogin_timer, 0); - clear_bit(DF_RELOGIN, &ddb_entry->flags); - iscsi_unblock_session(ddb_entry->sess); - iscsi_session_event(ddb_entry->sess, - ISCSI_KEVENT_CREATE_SESSION); - /* - * Change the lun state to READY in case the lun TIMEOUT before - * the device came back. - */ - } else if (ddb_entry->fw_ddb_device_state != DDB_DS_SESSION_ACTIVE) { - /* Device went away, mark device missing */ - if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) { - DEBUG2(ql4_printk(KERN_INFO, ha, "%s mark missing " - "ddb_entry 0x%p sess 0x%p conn 0x%p\n", - __func__, ddb_entry, - ddb_entry->sess, ddb_entry->conn)); - qla4xxx_mark_device_missing(ha, ddb_entry); - } - /* - * Relogin if device state changed to a not active state. - * However, do not relogin if a RELOGIN is in process, or - * we are not allowed to relogin to this DDB. - */ - if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_FAILED && - !test_bit(DF_RELOGIN, &ddb_entry->flags) && - qla4_is_relogin_allowed(ha, conn_err)) { + switch (old_fw_ddb_device_state) { + case DDB_DS_LOGIN_IN_PROCESS: + switch (state) { + case DDB_DS_SESSION_ACTIVE: + case DDB_DS_DISCOVERY: + iscsi_conn_login_event(ddb_entry->conn, + ISCSI_CONN_STATE_LOGGED_IN); + qla4xxx_update_session_conn_param(ha, ddb_entry); + status = QLA_SUCCESS; + break; + case DDB_DS_SESSION_FAILED: + case DDB_DS_NO_CONNECTION_ACTIVE: + iscsi_conn_login_event(ddb_entry->conn, + ISCSI_CONN_STATE_FREE); + status = QLA_SUCCESS; + break; + } + break; + case DDB_DS_SESSION_ACTIVE: + if (state == DDB_DS_SESSION_FAILED) { /* - * This triggers a relogin. After the relogin_timer - * expires, the relogin gets scheduled. We must wait a - * minimum amount of time since receiving an 0x8014 AEN - * with failed device_state or a logout response before - * we can issue another relogin. - */ - /* Firmware pads this timeout: (time2wait +1). - * Driver retry to login should be longer than F/W. - * Otherwise F/W will fail - * set_ddb() mbx cmd with 0x4005 since it still - * counting down its time2wait. + * iscsi_session failure will cause userspace to + * stop the connection which in turn would block the + * iscsi_session and start relogin */ - atomic_set(&ddb_entry->relogin_timer, 0); - atomic_set(&ddb_entry->retry_relogin_timer, - ddb_entry->default_time2wait + 4); - DEBUG(printk("scsi%ld: %s: ddb[%d] " - "initiate relogin after %d seconds\n", - ha->host_no, __func__, - ddb_entry->fw_ddb_index, - ddb_entry->default_time2wait + 4)); - } else { - DEBUG(printk("scsi%ld: %s: ddb[%d] " - "relogin not initiated, state = %d, " - "ddb_entry->flags = 0x%lx\n", - ha->host_no, __func__, - ddb_entry->fw_ddb_index, - ddb_entry->fw_ddb_device_state, - ddb_entry->flags)); + iscsi_session_failure(ddb_entry->sess->dd_data, + ISCSI_ERR_CONN_FAILED); + status = QLA_SUCCESS; } + break; + default: + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unknown Event\n", + __func__)); + break; } - return QLA_SUCCESS; + +exit_ddb_event: + return status; } diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index 75fcd82..ad40a61 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -313,10 +313,8 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb) cmd_entry->hdr.entryType = ET_COMMAND; cmd_entry->handle = cpu_to_le32(index); cmd_entry->target = cpu_to_le16(ddb_entry->fw_ddb_index); - cmd_entry->connection_id = cpu_to_le16(ddb_entry->connection_id); int_to_scsilun(cmd->device->lun, &cmd_entry->lun); - cmd_entry->cmdSeqNum = cpu_to_le32(ddb_entry->CmdSn); cmd_entry->ttlByteCnt = cpu_to_le32(scsi_bufflen(cmd)); memcpy(cmd_entry->cdb, cmd->cmnd, cmd->cmd_len); cmd_entry->dataSegCnt = cpu_to_le16(tot_dsds); @@ -381,3 +379,69 @@ queuing_error: return QLA_ERROR; } +int qla4xxx_send_passthru0(struct iscsi_task *task) +{ + struct passthru0 *passthru_iocb; + struct iscsi_session *sess = task->conn->session; + struct ddb_entry *ddb_entry = sess->dd_data; + struct scsi_qla_host *ha = ddb_entry->ha; + struct ql4_task_data *task_data = task->dd_data; + uint16_t ctrl_flags = 0; + unsigned long flags; + int ret = QLA_ERROR; + + spin_lock_irqsave(&ha->hardware_lock, flags); + task_data->iocb_req_cnt = 1; + /* Put the IOCB on the request queue */ + if (!qla4xxx_space_in_req_ring(ha, task_data->iocb_req_cnt)) + goto queuing_error; + + passthru_iocb = (struct passthru0 *) ha->request_ptr; + + memset(passthru_iocb, 0, sizeof(struct passthru0)); + passthru_iocb->hdr.entryType = ET_PASSTHRU0; + passthru_iocb->hdr.systemDefined = SD_ISCSI_PDU; + passthru_iocb->hdr.entryCount = task_data->iocb_req_cnt; + passthru_iocb->handle = task->itt; + passthru_iocb->target = cpu_to_le16(ddb_entry->fw_ddb_index); + passthru_iocb->timeout = cpu_to_le16(PT_DEFAULT_TIMEOUT); + + /* Setup the out & in DSDs */ + if (task->data_count) { + memcpy((uint8_t *)task_data->req_buffer + + sizeof(struct iscsi_hdr), task->data, task->data_count); + ctrl_flags |= PT_FLAG_SEND_BUFFER; + passthru_iocb->out_dsd.base.addrLow = + cpu_to_le32(LSDW(task_data->req_dma)); + passthru_iocb->out_dsd.base.addrHigh = + cpu_to_le32(MSDW(task_data->req_dma)); + passthru_iocb->out_dsd.count = + cpu_to_le32(task->data_count + + sizeof(struct iscsi_hdr)); + } + if (task_data->resp_len) { + passthru_iocb->in_dsd.base.addrLow = + cpu_to_le32(LSDW(task_data->resp_dma)); + passthru_iocb->in_dsd.base.addrHigh = + cpu_to_le32(MSDW(task_data->resp_dma)); + passthru_iocb->in_dsd.count = + cpu_to_le32(task_data->resp_len); + } + + ctrl_flags |= (PT_FLAG_ISCSI_PDU | PT_FLAG_WAIT_4_RESPONSE); + passthru_iocb->control_flags = cpu_to_le16(ctrl_flags); + + /* Update the request pointer */ + qla4xxx_advance_req_ring_ptr(ha); + wmb(); + + /* Track IOCB used */ + ha->iocb_cnt += task_data->iocb_req_cnt; + ha->req_q_count -= task_data->iocb_req_cnt; + ha->isp_ops->queue_iocb(ha); + ret = QLA_SUCCESS; + +queuing_error: + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return ret; +} diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 0e72921..827e930 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -224,8 +224,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, * I/O to this device. We should get a ddb state change * AEN soon. */ - if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) - qla4xxx_mark_device_missing(ha, ddb_entry); + if (iscsi_is_session_online(ddb_entry->sess)) + qla4xxx_mark_device_missing(ddb_entry->sess); break; case SCS_DATA_UNDERRUN: @@ -306,8 +306,8 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha, * send I/O to this device. We should get a ddb * state change AEN soon. */ - if (atomic_read(&ddb_entry->state) == DDB_STATE_ONLINE) - qla4xxx_mark_device_missing(ha, ddb_entry); + if (iscsi_is_session_online(ddb_entry->sess)) + qla4xxx_mark_device_missing(ddb_entry->sess); cmd->result = DID_TRANSPORT_DISRUPTED << 16; break; @@ -341,6 +341,51 @@ status_entry_exit: } /** + * qla4xxx_passthru_status_entry - processes passthru status IOCBs (0x3C) + * @ha: Pointer to host adapter structure. + * @sts_entry: Pointer to status entry structure. + **/ +static void qla4xxx_passthru_status_entry(struct scsi_qla_host *ha, + struct passthru_status *sts_entry) +{ + struct iscsi_task *task; + struct ddb_entry *ddb_entry; + struct ql4_task_data *task_data; + struct iscsi_cls_conn *cls_conn; + struct iscsi_conn *conn; + itt_t itt; + uint32_t fw_ddb_index; + + itt = sts_entry->handle; + fw_ddb_index = le32_to_cpu(sts_entry->target); + + ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, fw_ddb_index); + + if (ddb_entry == NULL) { + ql4_printk(KERN_ERR, ha, "%s: Invalid target index = 0x%x\n", + __func__, sts_entry->target); + return; + } + + cls_conn = ddb_entry->conn; + conn = cls_conn->dd_data; + spin_lock(&conn->session->lock); + task = iscsi_itt_to_task(conn, itt); + spin_unlock(&conn->session->lock); + + if (task == NULL) { + ql4_printk(KERN_ERR, ha, "%s: Task is NULL\n", __func__); + return; + } + + task_data = task->dd_data; + memcpy(&task_data->sts, sts_entry, sizeof(struct passthru_status)); + ha->req_q_count += task_data->iocb_req_cnt; + ha->iocb_cnt -= task_data->iocb_req_cnt; + queue_work(ha->task_wq, &task_data->task_work); +} + +/** * qla4xxx_process_response_queue - process response queue completions * @ha: Pointer to host adapter structure. * @@ -375,6 +420,14 @@ void qla4xxx_process_response_queue(struct scsi_qla_host *ha) break; case ET_PASSTHRU_STATUS: + if (sts_entry->hdr.systemDefined == SD_ISCSI_PDU) + qla4xxx_passthru_status_entry(ha, + (struct passthru_status *)sts_entry); + else + ql4_printk(KERN_ERR, ha, + "%s: Invalid status received\n", + __func__); + break; case ET_STATUS_CONTINUATION: @@ -566,6 +619,8 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha, else if ((mbox_sts[3] == ACB_STATE_ACQUIRING) && (mbox_sts[2] == ACB_STATE_VALID)) set_bit(DPC_RESET_HA, &ha->dpc_flags); + else if ((mbox_sts[3] == ACB_STATE_UNCONFIGURED)) + complete(&ha->disable_acb_comp); break; case MBOX_ASTS_MAC_ADDRESS_CHANGED: @@ -1009,23 +1064,23 @@ void qla4xxx_process_aen(struct scsi_qla_host * ha, uint8_t process_aen) switch (mbox_sts[0]) { case MBOX_ASTS_DATABASE_CHANGED: - if (process_aen == FLUSH_DDB_CHANGED_AENS) { + switch (process_aen) { + case FLUSH_DDB_CHANGED_AENS: DEBUG2(printk("scsi%ld: AEN[%d] %04x, index " "[%d] state=%04x FLUSHED!\n", ha->host_no, ha->aen_out, mbox_sts[0], mbox_sts[2], mbox_sts[3])); break; + case PROCESS_ALL_AENS: + default: + /* Specific device. */ + if (mbox_sts[1] == 1) + qla4xxx_process_ddb_changed(ha, + mbox_sts[2], mbox_sts[3], + mbox_sts[4]); + break; } - case PROCESS_ALL_AENS: - default: - if (mbox_sts[1] == 0) { /* Global DB change. */ - qla4xxx_reinitialize_ddb_list(ha); - } else if (mbox_sts[1] == 1) { /* Specific device. */ - qla4xxx_process_ddb_changed(ha, mbox_sts[2], - mbox_sts[3], mbox_sts[4]); - } - break; } spin_lock_irqsave(&ha->hardware_lock, flags); } diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index fce8289..de733a7 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -303,7 +303,7 @@ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, return QLA_SUCCESS; } -static uint8_t +uint8_t qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma) { @@ -327,43 +327,69 @@ qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, static void qla4xxx_update_local_ip(struct scsi_qla_host *ha, - struct addr_ctrl_blk *init_fw_cb) + struct addr_ctrl_blk *init_fw_cb) { + ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts); + ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts); + ha->ip_config.ipv4_addr_state = + le16_to_cpu(init_fw_cb->ipv4_addr_state); + ha->ip_config.eth_mtu_size = + le16_to_cpu(init_fw_cb->eth_mtu_size); + ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port); + + if (ha->acb_version == ACB_SUPPORTED) { + ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts); + ha->ip_config.ipv6_addl_options = + le16_to_cpu(init_fw_cb->ipv6_addtl_opts); + } + /* Save IPv4 Address Info */ - memcpy(ha->ip_address, init_fw_cb->ipv4_addr, - min(sizeof(ha->ip_address), sizeof(init_fw_cb->ipv4_addr))); - memcpy(ha->subnet_mask, init_fw_cb->ipv4_subnet, - min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->ipv4_subnet))); - memcpy(ha->gateway, init_fw_cb->ipv4_gw_addr, - min(sizeof(ha->gateway), sizeof(init_fw_cb->ipv4_gw_addr))); + memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr, + min(sizeof(ha->ip_config.ip_address), + sizeof(init_fw_cb->ipv4_addr))); + memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet, + min(sizeof(ha->ip_config.subnet_mask), + sizeof(init_fw_cb->ipv4_subnet))); + memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr, + min(sizeof(ha->ip_config.gateway), + sizeof(init_fw_cb->ipv4_gw_addr))); + + ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag); if (is_ipv6_enabled(ha)) { /* Save IPv6 Address */ - ha->ipv6_link_local_state = init_fw_cb->ipv6_lnk_lcl_addr_state; - ha->ipv6_addr0_state = init_fw_cb->ipv6_addr0_state; - ha->ipv6_addr1_state = init_fw_cb->ipv6_addr1_state; - ha->ipv6_default_router_state = init_fw_cb->ipv6_dflt_rtr_state; - ha->ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE; - ha->ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80; - - memcpy(&ha->ipv6_link_local_addr.in6_u.u6_addr8[8], - init_fw_cb->ipv6_if_id, - min(sizeof(ha->ipv6_link_local_addr)/2, - sizeof(init_fw_cb->ipv6_if_id))); - memcpy(&ha->ipv6_addr0, init_fw_cb->ipv6_addr0, - min(sizeof(ha->ipv6_addr0), - sizeof(init_fw_cb->ipv6_addr0))); - memcpy(&ha->ipv6_addr1, init_fw_cb->ipv6_addr1, - min(sizeof(ha->ipv6_addr1), - sizeof(init_fw_cb->ipv6_addr1))); - memcpy(&ha->ipv6_default_router_addr, - init_fw_cb->ipv6_dflt_rtr_addr, - min(sizeof(ha->ipv6_default_router_addr), - sizeof(init_fw_cb->ipv6_dflt_rtr_addr))); + ha->ip_config.ipv6_link_local_state = + le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state); + ha->ip_config.ipv6_addr0_state = + le16_to_cpu(init_fw_cb->ipv6_addr0_state); + ha->ip_config.ipv6_addr1_state = + le16_to_cpu(init_fw_cb->ipv6_addr1_state); + ha->ip_config.ipv6_default_router_state = + le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state); + ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE; + ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80; + + memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8], + init_fw_cb->ipv6_if_id, + min(sizeof(ha->ip_config.ipv6_link_local_addr)/2, + sizeof(init_fw_cb->ipv6_if_id))); + memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0, + min(sizeof(ha->ip_config.ipv6_addr0), + sizeof(init_fw_cb->ipv6_addr0))); + memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1, + min(sizeof(ha->ip_config.ipv6_addr1), + sizeof(init_fw_cb->ipv6_addr1))); + memcpy(&ha->ip_config.ipv6_default_router_addr, + init_fw_cb->ipv6_dflt_rtr_addr, + min(sizeof(ha->ip_config.ipv6_default_router_addr), + sizeof(init_fw_cb->ipv6_dflt_rtr_addr))); + ha->ip_config.ipv6_vlan_tag = + be16_to_cpu(init_fw_cb->ipv6_vlan_tag); + ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port); } } -static uint8_t +uint8_t qla4xxx_update_local_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, uint32_t *mbox_sts, @@ -383,9 +409,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha, /* Save some info in adapter structure. */ ha->acb_version = init_fw_cb->acb_version; ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options); - ha->tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts); - ha->ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts); - ha->ipv4_addr_state = le16_to_cpu(init_fw_cb->ipv4_addr_state); ha->heartbeat_interval = init_fw_cb->hb_interval; memcpy(ha->name_string, init_fw_cb->iscsi_name, min(sizeof(ha->name_string), @@ -393,10 +416,6 @@ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha, /*memcpy(ha->alias, init_fw_cb->Alias, min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/ - if (ha->acb_version == ACB_SUPPORTED) { - ha->ipv6_options = init_fw_cb->ipv6_opts; - ha->ipv6_addl_options = init_fw_cb->ipv6_addtl_opts; - } qla4xxx_update_local_ip(ha, init_fw_cb); return QLA_SUCCESS; @@ -462,10 +481,11 @@ int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha) init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE); - /* Set bit for "serialize task mgmt" all other bits need to be zero */ init_fw_cb->add_fw_options = 0; init_fw_cb->add_fw_options |= - __constant_cpu_to_le16(SERIALIZE_TASK_MGMT); + __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT); + init_fw_cb->add_fw_options |= + __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE); if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) != QLA_SUCCESS) { @@ -691,19 +711,38 @@ exit_get_fwddb: return status; } +int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index) +{ + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_CONN_OPEN; + mbox_cmd[1] = fw_ddb_index; + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], + &mbox_sts[0]); + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n", + __func__, status, mbox_sts[0], mbox_sts[1])); + return status; +} + /** * qla4xxx_set_fwddb_entry - sets a ddb entry. * @ha: Pointer to host adapter structure. * @fw_ddb_index: Firmware's device database index - * @fw_ddb_entry: Pointer to firmware's ddb entry structure, or NULL. + * @fw_ddb_entry_dma: dma address of ddb entry + * @mbx_sts: mailbox 0 to be returned or NULL * * This routine initializes or updates the adapter's device database - * entry for the specified device. It also triggers a login for the - * specified device. Therefore, it may also be used as a secondary - * login routine when a NULL pointer is specified for the fw_ddb_entry. + * entry for the specified device. **/ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, - dma_addr_t fw_ddb_entry_dma) + dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts) { uint32_t mbox_cmd[MBOX_REG_COUNT]; uint32_t mbox_sts[MBOX_REG_COUNT]; @@ -722,13 +761,41 @@ int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index, mbox_cmd[4] = sizeof(struct dev_db_entry); status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], - &mbox_sts[0]); + &mbox_sts[0]); + if (mbx_sts) + *mbx_sts = mbox_sts[0]; DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n", ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);) return status; } +int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry, int options) +{ + int status; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT; + mbox_cmd[1] = ddb_entry->fw_ddb_index; + mbox_cmd[3] = options; + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], + &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT " + "failed sts %04X %04X", __func__, + mbox_sts[0], mbox_sts[1])); + } + + return status; +} + /** * qla4xxx_get_crash_record - retrieves crash record. * @ha: Pointer to host adapter structure. @@ -1104,7 +1171,7 @@ exit_about_fw: return status; } -static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, +static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options, dma_addr_t dma_addr) { uint32_t mbox_cmd[MBOX_REG_COUNT]; @@ -1114,6 +1181,7 @@ static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, memset(&mbox_sts, 0, sizeof(mbox_sts)); mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS; + mbox_cmd[1] = options; mbox_cmd[2] = LSDW(dma_addr); mbox_cmd[3] = MSDW(dma_addr); @@ -1126,8 +1194,10 @@ static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, return QLA_SUCCESS; } -static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index) +int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index, + uint32_t *mbx_sts) { + int status; uint32_t mbox_cmd[MBOX_REG_COUNT]; uint32_t mbox_sts[MBOX_REG_COUNT]; @@ -1135,75 +1205,571 @@ static int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index) memset(&mbox_sts, 0, sizeof(mbox_sts)); mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY; - mbox_cmd[1] = MAX_PRST_DEV_DB_ENTRIES; + mbox_cmd[1] = ddb_index; - if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) != - QLA_SUCCESS) { - if (mbox_sts[0] == MBOX_STS_COMMAND_ERROR) { - *ddb_index = mbox_sts[2]; - } else { - DEBUG2(printk("scsi%ld: %s: failed status %04X\n", - ha->host_no, __func__, mbox_sts[0])); - return QLA_ERROR; - } - } else { - *ddb_index = MAX_PRST_DEV_DB_ENTRIES; + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], + &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", + __func__, mbox_sts[0])); } - return QLA_SUCCESS; + *mbx_sts = mbox_sts[0]; + return status; } +int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index) +{ + int status; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); -int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port) + mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY; + mbox_cmd[1] = ddb_index; + + status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0], + &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", + __func__, mbox_sts[0])); + } + + return status; +} + +int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr, + uint32_t offset, uint32_t length, uint32_t options) { - struct dev_db_entry *fw_ddb_entry; - dma_addr_t fw_ddb_entry_dma; - uint32_t ddb_index; - int ret_val = QLA_SUCCESS; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status = QLA_SUCCESS; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_WRITE_FLASH; + mbox_cmd[1] = LSDW(dma_addr); + mbox_cmd[2] = MSDW(dma_addr); + mbox_cmd[3] = offset; + mbox_cmd[4] = length; + mbox_cmd[5] = options; + + status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH " + "failed w/ status %04X, mbx1 %04X\n", + __func__, mbox_sts[0], mbox_sts[1])); + } + return status; +} + +int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha, + struct dev_db_entry *fw_ddb_entry, + dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index) +{ + uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; + uint32_t dev_db_end_offset; + int status = QLA_ERROR; + + memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); + + dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry)); + dev_db_end_offset = FLASH_OFFSET_DB_END; + + if (dev_db_start_offset > dev_db_end_offset) { + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s:Invalid DDB index %d", __func__, + ddb_index)); + goto exit_bootdb_failed; + } + + if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, + sizeof(*fw_ddb_entry)) != QLA_SUCCESS) { + ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" + "failed\n", ha->host_no, __func__); + goto exit_bootdb_failed; + } + + if (fw_ddb_entry->cookie == DDB_VALID_COOKIE) + status = QLA_SUCCESS; + +exit_bootdb_failed: + return status; +} + +int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password, + uint16_t idx) +{ + int ret = 0; + int rval = QLA_ERROR; + uint32_t offset = 0; + struct ql4_chap_table *chap_table; + dma_addr_t chap_dma; + + chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); + if (chap_table == NULL) { + ret = -ENOMEM; + goto exit_get_chap; + } + + memset(chap_table, 0, sizeof(struct ql4_chap_table)); + + offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table)); + + rval = qla4xxx_get_flash(ha, chap_dma, offset, + sizeof(struct ql4_chap_table)); + if (rval != QLA_SUCCESS) { + ret = -EINVAL; + goto exit_get_chap; + } + + DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", + __le16_to_cpu(chap_table->cookie))); + + if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { + ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); + goto exit_get_chap; + } + + strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); + strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); + chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); + +exit_get_chap: + dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); + return ret; +} + +static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, + char *password, uint16_t idx, int bidi) +{ + int ret = 0; + int rval = QLA_ERROR; + uint32_t offset = 0; + struct ql4_chap_table *chap_table; + dma_addr_t chap_dma; + + chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); + if (chap_table == NULL) { + ret = -ENOMEM; + goto exit_set_chap; + } + + memset(chap_table, 0, sizeof(struct ql4_chap_table)); + if (bidi) + chap_table->flags |= BIT_6; /* peer */ + else + chap_table->flags |= BIT_7; /* local */ + chap_table->secret_len = strlen(password); + strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN); + strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN); + chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE); + offset = 0x06000000 | (idx * sizeof(struct ql4_chap_table)); + rval = qla4xxx_set_flash(ha, chap_dma, offset, + sizeof(struct ql4_chap_table), + FLASH_OPT_RMW_COMMIT); + dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); + if (rval != QLA_SUCCESS) + ret = -EINVAL; + +exit_set_chap: + return ret; +} + +int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha, + uint16_t fw_ddb_index, + uint16_t connection_id, + uint16_t option) +{ + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status = QLA_SUCCESS; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT; + mbox_cmd[1] = fw_ddb_index; + mbox_cmd[2] = connection_id; + mbox_cmd[3] = option; + + status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE " + "option %04x failed w/ status %04X %04X\n", + __func__, option, mbox_sts[0], mbox_sts[1])); + } + return status; +} + +int qla4xxx_disable_acb(struct scsi_qla_host *ha) +{ + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status = QLA_SUCCESS; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_DISABLE_ACB; + + status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB " + "failed w/ status %04X %04X %04X", __func__, + mbox_sts[0], mbox_sts[1], mbox_sts[2])); + } + return status; +} + +int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma, + uint32_t acb_type, uint32_t len) +{ + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status = QLA_SUCCESS; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_GET_ACB; + mbox_cmd[1] = acb_type; + mbox_cmd[2] = LSDW(acb_dma); + mbox_cmd[3] = MSDW(acb_dma); + mbox_cmd[4] = len; + + status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB " + "failed w/ status %04X\n", __func__, + mbox_sts[0])); + } + return status; +} +int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd, + uint32_t *mbox_sts, dma_addr_t acb_dma) +{ + int status = QLA_SUCCESS; + + memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); + memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); + mbox_cmd[0] = MBOX_CMD_SET_ACB; + mbox_cmd[1] = 0; /* Primary ACB */ + mbox_cmd[2] = LSDW(acb_dma); + mbox_cmd[3] = MSDW(acb_dma); + mbox_cmd[4] = sizeof(struct addr_ctrl_blk); - fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, - sizeof(*fw_ddb_entry), + status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_SET_ACB " + "failed w/ status %04X\n", __func__, + mbox_sts[0])); + } + return status; +} + +int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry, + struct iscsi_cls_conn *cls_conn, + uint32_t *mbx_sts) +{ + struct dev_db_entry *fw_ddb_entry; + struct iscsi_conn *conn; + struct iscsi_session *sess; + struct qla_conn *qla_conn; + struct sockaddr *dst_addr; + dma_addr_t fw_ddb_entry_dma; + int status = QLA_SUCCESS; + int rval = 0; + struct sockaddr_in *addr; + struct sockaddr_in6 *addr6; + char *ip; + uint16_t iscsi_opts = 0; + uint32_t options = 0; + uint16_t idx; + int max_chap_entries = 0; + + fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), &fw_ddb_entry_dma, GFP_KERNEL); if (!fw_ddb_entry) { - DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n", - ha->host_no, __func__)); - ret_val = QLA_ERROR; - goto exit_send_tgts_no_free; + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s: Unable to allocate dma buffer.\n", + __func__)); + rval = -ENOMEM; + goto exit_set_param_no_free; } - ret_val = qla4xxx_get_default_ddb(ha, fw_ddb_entry_dma); - if (ret_val != QLA_SUCCESS) - goto exit_send_tgts; + conn = cls_conn->dd_data; + qla_conn = conn->dd_data; + sess = conn->session; + dst_addr = &qla_conn->qla_ep->dst_addr; - ret_val = qla4xxx_req_ddb_entry(ha, &ddb_index); - if (ret_val != QLA_SUCCESS) - goto exit_send_tgts; + if (dst_addr->sa_family == AF_INET6) + options |= IPV6_DEFAULT_DDB_ENTRY; - memset(fw_ddb_entry->iscsi_alias, 0, - sizeof(fw_ddb_entry->iscsi_alias)); + status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); + if (status == QLA_ERROR) { + rval = -EINVAL; + goto exit_set_param; + } - memset(fw_ddb_entry->iscsi_name, 0, - sizeof(fw_ddb_entry->iscsi_name)); + iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options); + memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias)); + + memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name)); + + if (sess->targetname != NULL) { + memcpy(fw_ddb_entry->iscsi_name, sess->targetname, + min(strlen(sess->targetname), + sizeof(fw_ddb_entry->iscsi_name))); + } memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr)); - memset(fw_ddb_entry->tgt_addr, 0, - sizeof(fw_ddb_entry->tgt_addr)); + memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr)); + + fw_ddb_entry->options = DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE; + + if (dst_addr->sa_family == AF_INET) { + addr = (struct sockaddr_in *)dst_addr; + ip = (char *)&addr->sin_addr; + memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN); + fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port)); + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: Destination Address [%pI4]: index [%d]\n", + __func__, fw_ddb_entry->ip_addr, + ddb_entry->fw_ddb_index)); + } else if (dst_addr->sa_family == AF_INET6) { + addr6 = (struct sockaddr_in6 *)dst_addr; + ip = (char *)&addr6->sin6_addr; + memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN); + fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port)); + fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE; + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: Destination Address [%pI6]: index [%d]\n", + __func__, fw_ddb_entry->ip_addr, + ddb_entry->fw_ddb_index)); + } else { + ql4_printk(KERN_ERR, ha, + "%s: Failed to get IP Address\n", + __func__); + rval = -EINVAL; + goto exit_set_param; + } + + if (is_qla8022(ha)) + max_chap_entries = MAX_CHAP_ENTRIES_82XX; + else + max_chap_entries = MAX_CHAP_ENTRIES_40XX; + /* CHAP */ + if (sess->username != NULL && sess->password != NULL) { + if (strlen(sess->username) && strlen(sess->password)) { + iscsi_opts |= BIT_7; + idx = ddb_entry->fw_ddb_index * 2; + if (idx > max_chap_entries) { + ql4_printk(KERN_ERR, ha, + "%s: Invalid ddb or chap index\n", + __func__); + rval = -EINVAL; + goto exit_set_param; + } + + rval = qla4xxx_set_chap(ha, sess->username, + sess->password, idx, 0); + if (rval) + goto exit_set_param; + + fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx); + } + } - fw_ddb_entry->options = (DDB_OPT_DISC_SESSION | DDB_OPT_TARGET); - fw_ddb_entry->port = cpu_to_le16(ntohs(port)); + if (sess->username_in != NULL && sess->password_in != NULL) { + /* Check if BIDI CHAP */ + if (strlen(sess->username_in) && strlen(sess->password_in)) { + iscsi_opts |= BIT_4; + idx = (ddb_entry->fw_ddb_index * 2) + 1; + if (idx > max_chap_entries) { + ql4_printk(KERN_ERR, ha, + "%s: Invalid ddb or bidi chap " + "index\n", __func__); + rval = -EINVAL; + goto exit_set_param; + } + rval = qla4xxx_set_chap(ha, sess->username_in, + sess->password_in, idx, 0); + if (rval) + goto exit_set_param; + } + } + + if (sess->initial_r2t_en) + iscsi_opts |= BIT_10; + + if (sess->imm_data_en) + iscsi_opts |= BIT_11; + + fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts); + + if (conn->max_recv_dlength) + fw_ddb_entry->iscsi_max_rcv_data_seg_len = + __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS)); + + if (sess->max_r2t) + fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); + + if (sess->first_burst) + fw_ddb_entry->iscsi_first_burst_len = + __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS)); - fw_ddb_entry->ip_addr[0] = *ip; - fw_ddb_entry->ip_addr[1] = *(ip + 1); - fw_ddb_entry->ip_addr[2] = *(ip + 2); - fw_ddb_entry->ip_addr[3] = *(ip + 3); + if (sess->max_burst) + fw_ddb_entry->iscsi_max_burst_len = + __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS)); - ret_val = qla4xxx_set_ddb_entry(ha, ddb_index, fw_ddb_entry_dma); + if (sess->time2wait) + fw_ddb_entry->iscsi_def_time2wait = + cpu_to_le16(sess->time2wait); -exit_send_tgts: + if (sess->time2retain) + fw_ddb_entry->iscsi_def_time2retain = + cpu_to_le16(sess->time2retain); + + status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index, + fw_ddb_entry_dma, mbx_sts); + + if (status != QLA_SUCCESS) + rval = -EINVAL; +exit_set_param: dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, fw_ddb_entry_dma); -exit_send_tgts_no_free: - return ret_val; +exit_set_param_no_free: + return rval; +} + +int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index, + uint16_t stats_size, dma_addr_t stats_dma) +{ + int status = QLA_SUCCESS; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + + memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT); + memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT); + mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA; + mbox_cmd[1] = fw_ddb_index; + mbox_cmd[2] = LSDW(stats_dma); + mbox_cmd[3] = MSDW(stats_dma); + mbox_cmd[4] = stats_size; + + status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, + "%s: MBOX_CMD_GET_MANAGEMENT_DATA " + "failed w/ status %04X\n", __func__, + mbox_sts[0])); + } + return status; +} + +int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx, + uint32_t ip_idx, uint32_t *sts) +{ + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + int status = QLA_SUCCESS; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE; + mbox_cmd[1] = acb_idx; + mbox_cmd[2] = ip_idx; + + status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: " + "MBOX_CMD_GET_IP_ADDR_STATE failed w/ " + "status %04X\n", __func__, mbox_sts[0])); + } + memcpy(sts, mbox_sts, sizeof(mbox_sts)); + return status; +} + +int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, + uint32_t offset, uint32_t size) +{ + int status = QLA_SUCCESS; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_GET_NVRAM; + mbox_cmd[1] = LSDW(nvram_dma); + mbox_cmd[2] = MSDW(nvram_dma); + mbox_cmd[3] = offset; + mbox_cmd[4] = size; + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], + &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " + "status %04X\n", ha->host_no, __func__, + mbox_sts[0])); + } + return status; +} + +int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma, + uint32_t offset, uint32_t size) +{ + int status = QLA_SUCCESS; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_SET_NVRAM; + mbox_cmd[1] = LSDW(nvram_dma); + mbox_cmd[2] = MSDW(nvram_dma); + mbox_cmd[3] = offset; + mbox_cmd[4] = size; + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], + &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " + "status %04X\n", ha->host_no, __func__, + mbox_sts[0])); + } + return status; } +int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha, + uint32_t region, uint32_t field0, + uint32_t field1) +{ + int status = QLA_SUCCESS; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS; + mbox_cmd[3] = region; + mbox_cmd[4] = field0; + mbox_cmd[5] = field1; + + status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], + &mbox_sts[0]); + if (status != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " + "status %04X\n", ha->host_no, __func__, + mbox_sts[0])); + } + return status; +} diff --git a/drivers/scsi/qla4xxx/ql4_nvram.c b/drivers/scsi/qla4xxx/ql4_nvram.c index b4b859b..7851f31 100644 --- a/drivers/scsi/qla4xxx/ql4_nvram.c +++ b/drivers/scsi/qla4xxx/ql4_nvram.c @@ -156,6 +156,27 @@ u16 rd_nvram_word(struct scsi_qla_host * ha, int offset) return val; } +u8 rd_nvram_byte(struct scsi_qla_host *ha, int offset) +{ + u16 val = 0; + u8 rval = 0; + int index = 0; + + if (offset & 0x1) + index = (offset - 1) / 2; + else + index = offset / 2; + + val = le16_to_cpu(rd_nvram_word(ha, index)); + + if (offset & 0x1) + rval = (u8)((val & 0xff00) >> 8); + else + rval = (u8)((val & 0x00ff)); + + return rval; +} + int qla4xxx_is_nvram_configuration_valid(struct scsi_qla_host * ha) { int status = QLA_ERROR; diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index fdfe27b..a539e17 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -2020,6 +2020,9 @@ qla4_8xxx_get_flt_info(struct scsi_qla_host *ha, uint32_t flt_addr) case FLT_REG_BOOTLOAD_82: hw->flt_region_bootload = start; break; + case FLT_REG_ISCSI_PARAM: + hw->flt_iscsi_param = start; + break; } } goto done; @@ -2258,10 +2261,16 @@ int qla4_8xxx_get_sys_info(struct scsi_qla_host *ha) } /* Save M.A.C. address & serial_number */ + ha->port_num = sys_info->port_num; memcpy(ha->my_mac, &sys_info->mac_addr[0], min(sizeof(ha->my_mac), sizeof(sys_info->mac_addr))); memcpy(ha->serial_number, &sys_info->serial_number, min(sizeof(ha->serial_number), sizeof(sys_info->serial_number))); + memcpy(ha->model_name, &sys_info->board_id_str, + min(sizeof(ha->model_name), sizeof(sys_info->board_id_str))); + ha->phy_port_cnt = sys_info->phys_port_cnt; + ha->phy_port_num = sys_info->port_num; + ha->iscsi_pci_func_cnt = sys_info->iscsi_pci_func_cnt; DEBUG2(printk("scsi%ld: %s: " "mac %02x:%02x:%02x:%02x:%02x:%02x " diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index f2364ec..ce391d5 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -6,6 +6,8 @@ */ #include #include +#include +#include #include #include @@ -63,6 +65,7 @@ MODULE_PARM_DESC(ql4xsess_recovery_tmo, "Target Session Recovery Timeout.\n" " Default: 30 sec."); +static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); /* * SCSI host template entry points */ @@ -71,18 +74,41 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); /* * iSCSI template entry points */ -static int qla4xxx_tgt_dscvr(struct Scsi_Host *shost, - enum iscsi_tgt_dscvr type, uint32_t enable, - struct sockaddr *dst_addr); static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, enum iscsi_param param, char *buf); -static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess, - enum iscsi_param param, char *buf); static int qla4xxx_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf); -static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session); +static int qla4xxx_iface_set_param(struct Scsi_Host *shost, char *data, + int count); +static int qla4xxx_get_iface_param(struct iscsi_iface *iface, + enum iscsi_param_type param_type, + int param, char *buf); static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); - +static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, + struct sockaddr *dst_addr, + int non_blocking); +static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); +static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); +static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, + enum iscsi_param param, char *buf); +static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); +static struct iscsi_cls_conn * +qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); +static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, + struct iscsi_cls_conn *cls_conn, + uint64_t transport_fd, int is_leading); +static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); +static struct iscsi_cls_session * +qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, + uint16_t qdepth, uint32_t initial_cmdsn); +static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); +static void qla4xxx_task_work(struct work_struct *wdata); +static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); +static int qla4xxx_task_xmit(struct iscsi_task *); +static void qla4xxx_task_cleanup(struct iscsi_task *); +static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); +static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, + struct iscsi_stats *stats); /* * SCSI host template entry points */ @@ -94,7 +120,8 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); static int qla4xxx_slave_alloc(struct scsi_device *device); static int qla4xxx_slave_configure(struct scsi_device *device); static void qla4xxx_slave_destroy(struct scsi_device *sdev); -static void qla4xxx_scan_start(struct Scsi_Host *shost); +static mode_t ql4_attr_is_visible(int param_type, int param); +static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); static struct qla4_8xxx_legacy_intr_set legacy_intr[] = QLA82XX_LEGACY_INTR_CONFIG; @@ -115,9 +142,6 @@ static struct scsi_host_template qla4xxx_driver_template = { .slave_alloc = qla4xxx_slave_alloc, .slave_destroy = qla4xxx_slave_destroy, - .scan_finished = iscsi_scan_finished, - .scan_start = qla4xxx_scan_start, - .this_id = -1, .cmd_per_lun = 3, .use_clustering = ENABLE_CLUSTERING, @@ -125,58 +149,394 @@ static struct scsi_host_template qla4xxx_driver_template = { .max_sectors = 0xFFFF, .shost_attrs = qla4xxx_host_attrs, + .host_reset = qla4xxx_host_reset, + .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, }; static struct iscsi_transport qla4xxx_iscsi_transport = { .owner = THIS_MODULE, .name = DRIVER_NAME, - .caps = CAP_FW_DB | CAP_SENDTARGETS_OFFLOAD | - CAP_DATA_PATH_OFFLOAD, - .param_mask = ISCSI_CONN_PORT | ISCSI_CONN_ADDRESS | - ISCSI_TARGET_NAME | ISCSI_TPGT | - ISCSI_TARGET_ALIAS, - .host_param_mask = ISCSI_HOST_HWADDRESS | - ISCSI_HOST_IPADDRESS | - ISCSI_HOST_INITIATOR_NAME, - .tgt_dscvr = qla4xxx_tgt_dscvr, + .caps = CAP_TEXT_NEGO | + CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | + CAP_DATADGST | CAP_LOGIN_OFFLOAD | + CAP_MULTI_R2T, + .attr_is_visible = ql4_attr_is_visible, + .create_session = qla4xxx_session_create, + .destroy_session = qla4xxx_session_destroy, + .start_conn = qla4xxx_conn_start, + .create_conn = qla4xxx_conn_create, + .bind_conn = qla4xxx_conn_bind, + .stop_conn = iscsi_conn_stop, + .destroy_conn = qla4xxx_conn_destroy, + .set_param = iscsi_set_param, .get_conn_param = qla4xxx_conn_get_param, - .get_session_param = qla4xxx_sess_get_param, + .get_session_param = iscsi_session_get_param, + .get_ep_param = qla4xxx_get_ep_param, + .ep_connect = qla4xxx_ep_connect, + .ep_poll = qla4xxx_ep_poll, + .ep_disconnect = qla4xxx_ep_disconnect, + .get_stats = qla4xxx_conn_get_stats, + .send_pdu = iscsi_conn_send_pdu, + .xmit_task = qla4xxx_task_xmit, + .cleanup_task = qla4xxx_task_cleanup, + .alloc_pdu = qla4xxx_alloc_pdu, + .get_host_param = qla4xxx_host_get_param, - .session_recovery_timedout = qla4xxx_recovery_timedout, + .set_iface_param = qla4xxx_iface_set_param, + .get_iface_param = qla4xxx_get_iface_param, + .bsg_request = qla4xxx_bsg_request, }; static struct scsi_transport_template *qla4xxx_scsi_transport; -static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) +static mode_t ql4_attr_is_visible(int param_type, int param) { - struct iscsi_cls_session *session; - struct ddb_entry *ddb_entry; + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_IPADDRESS: + case ISCSI_HOST_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_TARGET_ALIAS: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_IFACE_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_NET_PARAM: + switch (param) { + case ISCSI_NET_PARAM_IPV4_ADDR: + case ISCSI_NET_PARAM_IPV4_SUBNET: + case ISCSI_NET_PARAM_IPV4_GW: + case ISCSI_NET_PARAM_IPV4_BOOTPROTO: + case ISCSI_NET_PARAM_IFACE_ENABLE: + case ISCSI_NET_PARAM_IPV6_LINKLOCAL: + case ISCSI_NET_PARAM_IPV6_ADDR: + case ISCSI_NET_PARAM_IPV6_ROUTER: + case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: + case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: + case ISCSI_NET_PARAM_VLAN_ID: + case ISCSI_NET_PARAM_VLAN_PRIORITY: + case ISCSI_NET_PARAM_VLAN_ENABLED: + case ISCSI_NET_PARAM_MTU: + case ISCSI_NET_PARAM_PORT: + return S_IRUGO; + default: + return 0; + } + } - session = starget_to_session(scsi_target(sc->device)); - ddb_entry = session->dd_data; + return 0; +} - /* if we are not logged in then the LLD is going to clean up the cmd */ - if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) - return BLK_EH_RESET_TIMER; - else - return BLK_EH_NOT_HANDLED; +static int qla4xxx_get_iface_param(struct iscsi_iface *iface, + enum iscsi_param_type param_type, + int param, char *buf) +{ + struct Scsi_Host *shost = iscsi_iface_to_shost(iface); + struct scsi_qla_host *ha = to_qla_host(shost); + int len = -ENOSYS; + + if (param_type != ISCSI_NET_PARAM) + return -ENOSYS; + + switch (param) { + case ISCSI_NET_PARAM_IPV4_ADDR: + len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); + break; + case ISCSI_NET_PARAM_IPV4_SUBNET: + len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); + break; + case ISCSI_NET_PARAM_IPV4_GW: + len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); + break; + case ISCSI_NET_PARAM_IFACE_ENABLE: + if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) + len = sprintf(buf, "%s\n", + (ha->ip_config.ipv4_options & + IPOPT_IPV4_PROTOCOL_ENABLE) ? + "enabled" : "disabled"); + else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) + len = sprintf(buf, "%s\n", + (ha->ip_config.ipv6_options & + IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? + "enabled" : "disabled"); + break; + case ISCSI_NET_PARAM_IPV4_BOOTPROTO: + len = sprintf(buf, "%s\n", + (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? + "dhcp" : "static"); + break; + case ISCSI_NET_PARAM_IPV6_ADDR: + if (iface->iface_num == 0) + len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); + if (iface->iface_num == 1) + len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); + break; + case ISCSI_NET_PARAM_IPV6_LINKLOCAL: + len = sprintf(buf, "%pI6\n", + &ha->ip_config.ipv6_link_local_addr); + break; + case ISCSI_NET_PARAM_IPV6_ROUTER: + len = sprintf(buf, "%pI6\n", + &ha->ip_config.ipv6_default_router_addr); + break; + case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: + len = sprintf(buf, "%s\n", + (ha->ip_config.ipv6_addl_options & + IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? + "nd" : "static"); + break; + case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: + len = sprintf(buf, "%s\n", + (ha->ip_config.ipv6_addl_options & + IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? + "auto" : "static"); + break; + case ISCSI_NET_PARAM_VLAN_ID: + if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) + len = sprintf(buf, "%d\n", + (ha->ip_config.ipv4_vlan_tag & + ISCSI_MAX_VLAN_ID)); + else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) + len = sprintf(buf, "%d\n", + (ha->ip_config.ipv6_vlan_tag & + ISCSI_MAX_VLAN_ID)); + break; + case ISCSI_NET_PARAM_VLAN_PRIORITY: + if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) + len = sprintf(buf, "%d\n", + ((ha->ip_config.ipv4_vlan_tag >> 13) & + ISCSI_MAX_VLAN_PRIORITY)); + else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) + len = sprintf(buf, "%d\n", + ((ha->ip_config.ipv6_vlan_tag >> 13) & + ISCSI_MAX_VLAN_PRIORITY)); + break; + case ISCSI_NET_PARAM_VLAN_ENABLED: + if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) + len = sprintf(buf, "%s\n", + (ha->ip_config.ipv4_options & + IPOPT_VLAN_TAGGING_ENABLE) ? + "enabled" : "disabled"); + else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) + len = sprintf(buf, "%s\n", + (ha->ip_config.ipv6_options & + IPV6_OPT_VLAN_TAGGING_ENABLE) ? + "enabled" : "disabled"); + break; + case ISCSI_NET_PARAM_MTU: + len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); + break; + case ISCSI_NET_PARAM_PORT: + if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) + len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); + else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) + len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); + break; + default: + len = -ENOSYS; + } + + return len; } -static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session) +static struct iscsi_endpoint * +qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, + int non_blocking) { - struct ddb_entry *ddb_entry = session->dd_data; - struct scsi_qla_host *ha = ddb_entry->ha; + int ret; + struct iscsi_endpoint *ep; + struct qla_endpoint *qla_ep; + struct scsi_qla_host *ha; + struct sockaddr_in *addr; + struct sockaddr_in6 *addr6; - if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) { - atomic_set(&ddb_entry->state, DDB_STATE_DEAD); + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + if (!shost) { + ret = -ENXIO; + printk(KERN_ERR "%s: shost is NULL\n", + __func__); + return ERR_PTR(ret); + } + + ha = iscsi_host_priv(shost); + + ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); + if (!ep) { + ret = -ENOMEM; + return ERR_PTR(ret); + } - DEBUG2(printk("scsi%ld: %s: ddb [%d] session recovery timeout " - "of (%d) secs exhausted, marking device DEAD.\n", - ha->host_no, __func__, ddb_entry->fw_ddb_index, - ddb_entry->sess->recovery_tmo)); + qla_ep = ep->dd_data; + memset(qla_ep, 0, sizeof(struct qla_endpoint)); + if (dst_addr->sa_family == AF_INET) { + memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); + addr = (struct sockaddr_in *)&qla_ep->dst_addr; + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, + (char *)&addr->sin_addr)); + } else if (dst_addr->sa_family == AF_INET6) { + memcpy(&qla_ep->dst_addr, dst_addr, + sizeof(struct sockaddr_in6)); + addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, + (char *)&addr6->sin6_addr)); + } + + qla_ep->host = shost; + + return ep; +} + +static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) +{ + struct qla_endpoint *qla_ep; + struct scsi_qla_host *ha; + int ret = 0; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + qla_ep = ep->dd_data; + ha = to_qla_host(qla_ep->host); + + if (adapter_up(ha)) + ret = 1; + + return ret; +} + +static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) +{ + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + iscsi_destroy_endpoint(ep); +} + +static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, + enum iscsi_param param, + char *buf) +{ + struct qla_endpoint *qla_ep = ep->dd_data; + struct sockaddr *dst_addr; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + + switch (param) { + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_CONN_ADDRESS: + if (!qla_ep) + return -ENOTCONN; + + dst_addr = (struct sockaddr *)&qla_ep->dst_addr; + if (!dst_addr) + return -ENOTCONN; + + return iscsi_conn_get_addr_param((struct sockaddr_storage *) + &qla_ep->dst_addr, param, buf); + default: + return -ENOSYS; } } +static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, + struct iscsi_stats *stats) +{ + struct iscsi_session *sess; + struct iscsi_cls_session *cls_sess; + struct ddb_entry *ddb_entry; + struct scsi_qla_host *ha; + struct ql_iscsi_stats *ql_iscsi_stats; + int stats_size; + int ret; + dma_addr_t iscsi_stats_dma; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + + cls_sess = iscsi_conn_to_session(cls_conn); + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ha = ddb_entry->ha; + + stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); + /* Allocate memory */ + ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, + &iscsi_stats_dma, GFP_KERNEL); + if (!ql_iscsi_stats) { + ql4_printk(KERN_ERR, ha, + "Unable to allocate memory for iscsi stats\n"); + goto exit_get_stats; + } + + ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, + iscsi_stats_dma); + if (ret != QLA_SUCCESS) { + ql4_printk(KERN_ERR, ha, + "Unable to retreive iscsi stats\n"); + goto free_stats; + } + + /* octets */ + stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); + stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); + /* xmit pdus */ + stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); + stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); + stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); + stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); + stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); + stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); + stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); + stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); + /* recv pdus */ + stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); + stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); + stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); + stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); + stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); + stats->logoutrsp_pdus = + le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); + stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); + stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); + stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); + +free_stats: + dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, + iscsi_stats_dma); +exit_get_stats: + return; +} + +static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) +{ + struct iscsi_cls_session *session; + struct iscsi_session *sess; + unsigned long flags; + enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; + + session = starget_to_session(scsi_target(sc->device)); + sess = session->dd_data; + + spin_lock_irqsave(&session->lock, flags); + if (session->state == ISCSI_SESSION_FAILED) + ret = BLK_EH_RESET_TIMER; + spin_unlock_irqrestore(&session->lock, flags); + + return ret; +} + static int qla4xxx_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf) { @@ -188,9 +548,7 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost, len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); break; case ISCSI_HOST_PARAM_IPADDRESS: - len = sprintf(buf, "%d.%d.%d.%d\n", ha->ip_address[0], - ha->ip_address[1], ha->ip_address[2], - ha->ip_address[3]); + len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); break; case ISCSI_HOST_PARAM_INITIATOR_NAME: len = sprintf(buf, "%s\n", ha->name_string); @@ -202,154 +560,855 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost, return len; } -static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess, - enum iscsi_param param, char *buf) +static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) { - struct ddb_entry *ddb_entry = sess->dd_data; - int len; + if (ha->iface_ipv4) + return; - switch (param) { - case ISCSI_PARAM_TARGET_NAME: - len = snprintf(buf, PAGE_SIZE - 1, "%s\n", - ddb_entry->iscsi_name); + /* IPv4 */ + ha->iface_ipv4 = iscsi_create_iface(ha->host, + &qla4xxx_iscsi_transport, + ISCSI_IFACE_TYPE_IPV4, 0, 0); + if (!ha->iface_ipv4) + ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " + "iface0.\n"); +} + +static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) +{ + if (!ha->iface_ipv6_0) + /* IPv6 iface-0 */ + ha->iface_ipv6_0 = iscsi_create_iface(ha->host, + &qla4xxx_iscsi_transport, + ISCSI_IFACE_TYPE_IPV6, 0, + 0); + if (!ha->iface_ipv6_0) + ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " + "iface0.\n"); + + if (!ha->iface_ipv6_1) + /* IPv6 iface-1 */ + ha->iface_ipv6_1 = iscsi_create_iface(ha->host, + &qla4xxx_iscsi_transport, + ISCSI_IFACE_TYPE_IPV6, 1, + 0); + if (!ha->iface_ipv6_1) + ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " + "iface1.\n"); +} + +static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) +{ + if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) + qla4xxx_create_ipv4_iface(ha); + + if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) + qla4xxx_create_ipv6_iface(ha); +} + +static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) +{ + if (ha->iface_ipv4) { + iscsi_destroy_iface(ha->iface_ipv4); + ha->iface_ipv4 = NULL; + } +} + +static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) +{ + if (ha->iface_ipv6_0) { + iscsi_destroy_iface(ha->iface_ipv6_0); + ha->iface_ipv6_0 = NULL; + } + if (ha->iface_ipv6_1) { + iscsi_destroy_iface(ha->iface_ipv6_1); + ha->iface_ipv6_1 = NULL; + } +} + +static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) +{ + qla4xxx_destroy_ipv4_iface(ha); + qla4xxx_destroy_ipv6_iface(ha); +} + +static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, + struct iscsi_iface_param_info *iface_param, + struct addr_ctrl_blk *init_fw_cb) +{ + /* + * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. + * iface_num 1 is valid only for IPv6 Addr. + */ + switch (iface_param->param) { + case ISCSI_NET_PARAM_IPV6_ADDR: + if (iface_param->iface_num & 0x1) + /* IPv6 Addr 1 */ + memcpy(init_fw_cb->ipv6_addr1, iface_param->value, + sizeof(init_fw_cb->ipv6_addr1)); + else + /* IPv6 Addr 0 */ + memcpy(init_fw_cb->ipv6_addr0, iface_param->value, + sizeof(init_fw_cb->ipv6_addr0)); + break; + case ISCSI_NET_PARAM_IPV6_LINKLOCAL: + if (iface_param->iface_num & 0x1) + break; + memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], + sizeof(init_fw_cb->ipv6_if_id)); + break; + case ISCSI_NET_PARAM_IPV6_ROUTER: + if (iface_param->iface_num & 0x1) + break; + memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, + sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); + break; + case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: + /* Autocfg applies to even interface */ + if (iface_param->iface_num & 0x1) + break; + + if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) + init_fw_cb->ipv6_addtl_opts &= + cpu_to_le16( + ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); + else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) + init_fw_cb->ipv6_addtl_opts |= + cpu_to_le16( + IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); + else + ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " + "IPv6 addr\n"); + break; + case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: + /* Autocfg applies to even interface */ + if (iface_param->iface_num & 0x1) + break; + + if (iface_param->value[0] == + ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) + init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( + IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); + else if (iface_param->value[0] == + ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) + init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( + ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); + else + ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " + "IPv6 linklocal addr\n"); + break; + case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: + /* Autocfg applies to even interface */ + if (iface_param->iface_num & 0x1) + break; + + if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) + memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, + sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); + break; + case ISCSI_NET_PARAM_IFACE_ENABLE: + if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { + init_fw_cb->ipv6_opts |= + cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); + qla4xxx_create_ipv6_iface(ha); + } else { + init_fw_cb->ipv6_opts &= + cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & + 0xFFFF); + qla4xxx_destroy_ipv6_iface(ha); + } break; - case ISCSI_PARAM_TPGT: - len = sprintf(buf, "%u\n", ddb_entry->tpgt); + case ISCSI_NET_PARAM_VLAN_ID: + if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) + break; + init_fw_cb->ipv6_vlan_tag = + cpu_to_be16(*(uint16_t *)iface_param->value); break; - case ISCSI_PARAM_TARGET_ALIAS: - len = snprintf(buf, PAGE_SIZE - 1, "%s\n", - ddb_entry->iscsi_alias); + case ISCSI_NET_PARAM_VLAN_ENABLED: + if (iface_param->value[0] == ISCSI_VLAN_ENABLE) + init_fw_cb->ipv6_opts |= + cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); + else + init_fw_cb->ipv6_opts &= + cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); + break; + case ISCSI_NET_PARAM_MTU: + init_fw_cb->eth_mtu_size = + cpu_to_le16(*(uint16_t *)iface_param->value); + break; + case ISCSI_NET_PARAM_PORT: + /* Autocfg applies to even interface */ + if (iface_param->iface_num & 0x1) + break; + + init_fw_cb->ipv6_port = + cpu_to_le16(*(uint16_t *)iface_param->value); break; default: - return -ENOSYS; + ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", + iface_param->param); + break; } +} - return len; +static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, + struct iscsi_iface_param_info *iface_param, + struct addr_ctrl_blk *init_fw_cb) +{ + switch (iface_param->param) { + case ISCSI_NET_PARAM_IPV4_ADDR: + memcpy(init_fw_cb->ipv4_addr, iface_param->value, + sizeof(init_fw_cb->ipv4_addr)); + break; + case ISCSI_NET_PARAM_IPV4_SUBNET: + memcpy(init_fw_cb->ipv4_subnet, iface_param->value, + sizeof(init_fw_cb->ipv4_subnet)); + break; + case ISCSI_NET_PARAM_IPV4_GW: + memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, + sizeof(init_fw_cb->ipv4_gw_addr)); + break; + case ISCSI_NET_PARAM_IPV4_BOOTPROTO: + if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) + init_fw_cb->ipv4_tcp_opts |= + cpu_to_le16(TCPOPT_DHCP_ENABLE); + else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) + init_fw_cb->ipv4_tcp_opts &= + cpu_to_le16(~TCPOPT_DHCP_ENABLE); + else + ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); + break; + case ISCSI_NET_PARAM_IFACE_ENABLE: + if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { + init_fw_cb->ipv4_ip_opts |= + cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); + qla4xxx_create_ipv4_iface(ha); + } else { + init_fw_cb->ipv4_ip_opts &= + cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & + 0xFFFF); + qla4xxx_destroy_ipv4_iface(ha); + } + break; + case ISCSI_NET_PARAM_VLAN_ID: + if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) + break; + init_fw_cb->ipv4_vlan_tag = + cpu_to_be16(*(uint16_t *)iface_param->value); + break; + case ISCSI_NET_PARAM_VLAN_ENABLED: + if (iface_param->value[0] == ISCSI_VLAN_ENABLE) + init_fw_cb->ipv4_ip_opts |= + cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); + else + init_fw_cb->ipv4_ip_opts &= + cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); + break; + case ISCSI_NET_PARAM_MTU: + init_fw_cb->eth_mtu_size = + cpu_to_le16(*(uint16_t *)iface_param->value); + break; + case ISCSI_NET_PARAM_PORT: + init_fw_cb->ipv4_port = + cpu_to_le16(*(uint16_t *)iface_param->value); + break; + default: + ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", + iface_param->param); + break; + } } -static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, +static void +qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) +{ + struct addr_ctrl_blk_def *acb; + acb = (struct addr_ctrl_blk_def *)init_fw_cb; + memset(acb->reserved1, 0, sizeof(acb->reserved1)); + memset(acb->reserved2, 0, sizeof(acb->reserved2)); + memset(acb->reserved3, 0, sizeof(acb->reserved3)); + memset(acb->reserved4, 0, sizeof(acb->reserved4)); + memset(acb->reserved5, 0, sizeof(acb->reserved5)); + memset(acb->reserved6, 0, sizeof(acb->reserved6)); + memset(acb->reserved7, 0, sizeof(acb->reserved7)); + memset(acb->reserved8, 0, sizeof(acb->reserved8)); + memset(acb->reserved9, 0, sizeof(acb->reserved9)); + memset(acb->reserved10, 0, sizeof(acb->reserved10)); + memset(acb->reserved11, 0, sizeof(acb->reserved11)); + memset(acb->reserved12, 0, sizeof(acb->reserved12)); + memset(acb->reserved13, 0, sizeof(acb->reserved13)); + memset(acb->reserved14, 0, sizeof(acb->reserved14)); + memset(acb->reserved15, 0, sizeof(acb->reserved15)); +} + +static int +qla4xxx_iface_set_param(struct Scsi_Host *shost, char *data, int count) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + int rval = 0; + struct iscsi_iface_param_info *iface_param = NULL; + struct addr_ctrl_blk *init_fw_cb = NULL; + dma_addr_t init_fw_cb_dma; + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + uint32_t total_param_count; + uint32_t length; + + init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, + sizeof(struct addr_ctrl_blk), + &init_fw_cb_dma, GFP_KERNEL); + if (!init_fw_cb) { + ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", + __func__); + return -ENOMEM; + } + + memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); + memset(&mbox_cmd, 0, sizeof(mbox_cmd)); + memset(&mbox_sts, 0, sizeof(mbox_sts)); + + if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { + ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); + rval = -EIO; + goto exit_init_fw_cb; + } + + total_param_count = count; + iface_param = (struct iscsi_iface_param_info *)data; + + for ( ; total_param_count != 0; total_param_count--) { + length = iface_param->len; + + if (iface_param->param_type != ISCSI_NET_PARAM) + continue; + + switch (iface_param->iface_type) { + case ISCSI_IFACE_TYPE_IPV4: + switch (iface_param->iface_num) { + case 0: + qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); + break; + default: + /* Cannot have more than one IPv4 interface */ + ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " + "number = %d\n", + iface_param->iface_num); + break; + } + break; + case ISCSI_IFACE_TYPE_IPV6: + switch (iface_param->iface_num) { + case 0: + case 1: + qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); + break; + default: + /* Cannot have more than two IPv6 interface */ + ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " + "number = %d\n", + iface_param->iface_num); + break; + } + break; + default: + ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); + break; + } + + iface_param = (struct iscsi_iface_param_info *) + ((uint8_t *)iface_param + + sizeof(struct iscsi_iface_param_info) + length); + } + + init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); + + rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, + sizeof(struct addr_ctrl_blk), + FLASH_OPT_RMW_COMMIT); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", + __func__); + rval = -EIO; + goto exit_init_fw_cb; + } + + qla4xxx_disable_acb(ha); + + qla4xxx_initcb_to_acb(init_fw_cb); + + rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", + __func__); + rval = -EIO; + goto exit_init_fw_cb; + } + + memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); + qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, + init_fw_cb_dma); + +exit_init_fw_cb: + dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), + init_fw_cb, init_fw_cb_dma); + + return rval; +} + +static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, char *buf) { - struct iscsi_cls_session *session; - struct ddb_entry *ddb_entry; - int len; + struct iscsi_conn *conn; + struct qla_conn *qla_conn; + struct sockaddr *dst_addr; + int len = 0; - session = iscsi_dev_to_session(conn->dev.parent); - ddb_entry = session->dd_data; + conn = cls_conn->dd_data; + qla_conn = conn->dd_data; + dst_addr = &qla_conn->qla_ep->dst_addr; switch (param) { case ISCSI_PARAM_CONN_PORT: - len = sprintf(buf, "%hu\n", ddb_entry->port); - break; case ISCSI_PARAM_CONN_ADDRESS: - /* TODO: what are the ipv6 bits */ - len = sprintf(buf, "%pI4\n", &ddb_entry->ip_addr); - break; + return iscsi_conn_get_addr_param((struct sockaddr_storage *) + dst_addr, param, buf); default: - return -ENOSYS; + return iscsi_conn_get_param(cls_conn, param, buf); } return len; + } -static int qla4xxx_tgt_dscvr(struct Scsi_Host *shost, - enum iscsi_tgt_dscvr type, uint32_t enable, - struct sockaddr *dst_addr) +static struct iscsi_cls_session * +qla4xxx_session_create(struct iscsi_endpoint *ep, + uint16_t cmds_max, uint16_t qdepth, + uint32_t initial_cmdsn) { + struct iscsi_cls_session *cls_sess; struct scsi_qla_host *ha; - struct sockaddr_in *addr; - struct sockaddr_in6 *addr6; + struct qla_endpoint *qla_ep; + struct ddb_entry *ddb_entry; + uint32_t ddb_index; + uint32_t mbx_sts = 0; + struct iscsi_session *sess; + struct sockaddr *dst_addr; + int ret; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + if (!ep) { + printk(KERN_ERR "qla4xxx: missing ep.\n"); + return NULL; + } + + qla_ep = ep->dd_data; + dst_addr = (struct sockaddr *)&qla_ep->dst_addr; + ha = to_qla_host(qla_ep->host); +get_ddb_index: + ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); + + if (ddb_index >= MAX_DDB_ENTRIES) { + DEBUG2(ql4_printk(KERN_INFO, ha, + "Free DDB index not available\n")); + return NULL; + } + + if (test_and_set_bit(ddb_index, ha->ddb_idx_map)) + goto get_ddb_index; + + DEBUG2(ql4_printk(KERN_INFO, ha, + "Found a free DDB index at %d\n", ddb_index)); + ret = qla4xxx_req_ddb_entry(ha, ddb_index, &mbx_sts); + if (ret == QLA_ERROR) { + if (mbx_sts == MBOX_STS_COMMAND_ERROR) { + ql4_printk(KERN_INFO, ha, + "DDB index = %d not available trying next\n", + ddb_index); + goto get_ddb_index; + } + DEBUG2(ql4_printk(KERN_INFO, ha, + "Free FW DDB not available\n")); + return NULL; + } + + cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, + cmds_max, sizeof(struct ddb_entry), + sizeof(struct ql4_task_data), + initial_cmdsn, ddb_index); + if (!cls_sess) + return NULL; + + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ddb_entry->fw_ddb_index = ddb_index; + ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; + ddb_entry->ha = ha; + ddb_entry->sess = cls_sess; + cls_sess->recovery_tmo = ql4xsess_recovery_tmo; + ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; + ha->tot_ddbs++; + + return cls_sess; +} + +static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) +{ + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + struct scsi_qla_host *ha; + unsigned long flags; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ha = ddb_entry->ha; + + spin_lock_irqsave(&ha->hardware_lock, flags); + qla4xxx_free_ddb(ha, ddb_entry); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + iscsi_session_teardown(cls_sess); +} + +static struct iscsi_cls_conn * +qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) +{ + struct iscsi_cls_conn *cls_conn; + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), + conn_idx); + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ddb_entry->conn = cls_conn; + + return cls_conn; +} + +static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, + struct iscsi_cls_conn *cls_conn, + uint64_t transport_fd, int is_leading) +{ + struct iscsi_conn *conn; + struct qla_conn *qla_conn; + struct iscsi_endpoint *ep; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + + if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) + return -EINVAL; + ep = iscsi_lookup_endpoint(transport_fd); + conn = cls_conn->dd_data; + qla_conn = conn->dd_data; + qla_conn->qla_ep = ep->dd_data; + return 0; +} + +static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) +{ + struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + struct scsi_qla_host *ha; + struct dev_db_entry *fw_ddb_entry; + dma_addr_t fw_ddb_entry_dma; + uint32_t mbx_sts = 0; int ret = 0; + int status = QLA_SUCCESS; - ha = (struct scsi_qla_host *) shost->hostdata; + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ha = ddb_entry->ha; - switch (type) { - case ISCSI_TGT_DSCVR_SEND_TARGETS: - if (dst_addr->sa_family == AF_INET) { - addr = (struct sockaddr_in *)dst_addr; - if (qla4xxx_send_tgts(ha, (char *)&addr->sin_addr, - addr->sin_port) != QLA_SUCCESS) - ret = -EIO; - } else if (dst_addr->sa_family == AF_INET6) { - /* - * TODO: fix qla4xxx_send_tgts - */ - addr6 = (struct sockaddr_in6 *)dst_addr; - if (qla4xxx_send_tgts(ha, (char *)&addr6->sin6_addr, - addr6->sin6_port) != QLA_SUCCESS) - ret = -EIO; - } else - ret = -ENOSYS; - break; - default: - ret = -ENOSYS; + fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), + &fw_ddb_entry_dma, GFP_KERNEL); + if (!fw_ddb_entry) { + ql4_printk(KERN_ERR, ha, + "%s: Unable to allocate dma buffer\n", __func__); + return -ENOMEM; + } + + ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); + if (ret) { + /* If iscsid is stopped and started then no need to do + * set param again since ddb state will be already + * active and FW does not allow set ddb to an + * active session. + */ + if (mbx_sts) + if (ddb_entry->fw_ddb_device_state == + DDB_DS_SESSION_ACTIVE) + goto exit_set_param; + + ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", + __func__, ddb_entry->fw_ddb_index); + goto exit_conn_start; } + + status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); + if (status == QLA_ERROR) { + ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, + sess->targetname); + ret = -EINVAL; + goto exit_conn_start; + } + + ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; + +exit_set_param: + iscsi_conn_start(cls_conn); + ret = 0; + +exit_conn_start: + dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), + fw_ddb_entry, fw_ddb_entry_dma); return ret; } -void qla4xxx_destroy_sess(struct ddb_entry *ddb_entry) +static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) { - if (!ddb_entry->sess) - return; + struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); + struct iscsi_session *sess; + struct scsi_qla_host *ha; + struct ddb_entry *ddb_entry; + int options; + + DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); + sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; + ha = ddb_entry->ha; - if (ddb_entry->conn) { - atomic_set(&ddb_entry->state, DDB_STATE_DEAD); - iscsi_remove_session(ddb_entry->sess); + options = LOGOUT_OPTION_CLOSE_SESSION; + if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) + ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); + else + qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); + + /* + * Clear the DDB bit so that next login can use the bit + * if FW is not clearing the DDB entry then set DDB will fail anyways + */ + clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); +} + +static void qla4xxx_task_work(struct work_struct *wdata) +{ + struct ql4_task_data *task_data; + struct scsi_qla_host *ha; + struct passthru_status *sts; + struct iscsi_task *task; + struct iscsi_hdr *hdr; + uint8_t *data; + uint32_t data_len; + struct iscsi_conn *conn; + int hdr_len; + itt_t itt; + + task_data = container_of(wdata, struct ql4_task_data, task_work); + ha = task_data->ha; + task = task_data->task; + sts = &task_data->sts; + hdr_len = sizeof(struct iscsi_hdr); + + DEBUG3(printk(KERN_INFO "Status returned\n")); + DEBUG3(qla4xxx_dump_buffer(sts, 64)); + DEBUG3(printk(KERN_INFO "Response buffer")); + DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); + + conn = task->conn; + + switch (sts->completionStatus) { + case PASSTHRU_STATUS_COMPLETE: + hdr = (struct iscsi_hdr *)task_data->resp_buffer; + /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ + itt = sts->handle; + hdr->itt = itt; + data = task_data->resp_buffer + hdr_len; + data_len = task_data->resp_len - hdr_len; + iscsi_complete_pdu(conn, hdr, data, data_len); + break; + default: + ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", + sts->completionStatus); + break; } - iscsi_free_session(ddb_entry->sess); + return; } -int qla4xxx_add_sess(struct ddb_entry *ddb_entry) +static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) { - int err; + struct ql4_task_data *task_data; + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + struct scsi_qla_host *ha; + int hdr_len; - ddb_entry->sess->recovery_tmo = ql4xsess_recovery_tmo; + sess = task->conn->session; + ddb_entry = sess->dd_data; + ha = ddb_entry->ha; + task_data = task->dd_data; + memset(task_data, 0, sizeof(struct ql4_task_data)); - err = iscsi_add_session(ddb_entry->sess, ddb_entry->fw_ddb_index); - if (err) { - DEBUG2(printk(KERN_ERR "Could not add session.\n")); - return err; + if (task->sc) { + ql4_printk(KERN_INFO, ha, + "%s: SCSI Commands not implemented\n", __func__); + return -EINVAL; } - ddb_entry->conn = iscsi_create_conn(ddb_entry->sess, 0, 0); - if (!ddb_entry->conn) { - iscsi_remove_session(ddb_entry->sess); - DEBUG2(printk(KERN_ERR "Could not add connection.\n")); - return -ENOMEM; + hdr_len = sizeof(struct iscsi_hdr); + task_data->ha = ha; + task_data->task = task; + + if (task->data_count) { + task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, + task->data_count, + PCI_DMA_TODEVICE); } - /* finally ready to go */ - iscsi_unblock_session(ddb_entry->sess); + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", + __func__, task->conn->max_recv_dlength, hdr_len)); + + task_data->resp_len = task->conn->max_recv_dlength; + task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, + task_data->resp_len, + &task_data->resp_dma, + GFP_ATOMIC); + if (!task_data->resp_buffer) + goto exit_alloc_pdu; + + task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, + task->data_count + hdr_len, + &task_data->req_dma, + GFP_ATOMIC); + if (!task_data->req_buffer) + goto exit_alloc_pdu; + + task->hdr = task_data->req_buffer; + + INIT_WORK(&task_data->task_work, qla4xxx_task_work); + return 0; + +exit_alloc_pdu: + if (task_data->resp_buffer) + dma_free_coherent(&ha->pdev->dev, task_data->resp_len, + task_data->resp_buffer, task_data->resp_dma); + + if (task_data->req_buffer) + dma_free_coherent(&ha->pdev->dev, task->data_count + hdr_len, + task_data->req_buffer, task_data->req_dma); + return -ENOMEM; } -struct ddb_entry *qla4xxx_alloc_sess(struct scsi_qla_host *ha) +static void qla4xxx_task_cleanup(struct iscsi_task *task) { + struct ql4_task_data *task_data; + struct iscsi_session *sess; struct ddb_entry *ddb_entry; - struct iscsi_cls_session *sess; - - sess = iscsi_alloc_session(ha->host, &qla4xxx_iscsi_transport, - sizeof(struct ddb_entry)); - if (!sess) - return NULL; + struct scsi_qla_host *ha; + int hdr_len; + hdr_len = sizeof(struct iscsi_hdr); + sess = task->conn->session; ddb_entry = sess->dd_data; - memset(ddb_entry, 0, sizeof(*ddb_entry)); - ddb_entry->ha = ha; - ddb_entry->sess = sess; - return ddb_entry; + ha = ddb_entry->ha; + task_data = task->dd_data; + + if (task->data_count) { + dma_unmap_single(&ha->pdev->dev, task_data->data_dma, + task->data_count, PCI_DMA_TODEVICE); + } + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", + __func__, task->conn->max_recv_dlength, hdr_len)); + + dma_free_coherent(&ha->pdev->dev, task_data->resp_len, + task_data->resp_buffer, task_data->resp_dma); + dma_free_coherent(&ha->pdev->dev, task->data_count + hdr_len, + task_data->req_buffer, task_data->req_dma); + return; } -static void qla4xxx_scan_start(struct Scsi_Host *shost) +static int qla4xxx_task_xmit(struct iscsi_task *task) { - struct scsi_qla_host *ha = shost_priv(shost); - struct ddb_entry *ddb_entry, *ddbtemp; + struct scsi_cmnd *sc = task->sc; + struct iscsi_session *sess = task->conn->session; + struct ddb_entry *ddb_entry = sess->dd_data; + struct scsi_qla_host *ha = ddb_entry->ha; + + if (!sc) + return qla4xxx_send_passthru0(task); + + ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", + __func__); + return -ENOSYS; +} + +void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, + struct ddb_entry *ddb_entry) +{ + struct iscsi_cls_session *cls_sess; + struct iscsi_cls_conn *cls_conn; + struct iscsi_session *sess; + struct iscsi_conn *conn; + uint32_t ddb_state; + dma_addr_t fw_ddb_entry_dma; + struct dev_db_entry *fw_ddb_entry; + + fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), + &fw_ddb_entry_dma, GFP_KERNEL); + if (!fw_ddb_entry) { + ql4_printk(KERN_ERR, ha, + "%s: Unable to allocate dma buffer\n", __func__); + return; + } - /* finish setup of sessions that were already setup in firmware */ - list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) { - if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) - qla4xxx_add_sess(ddb_entry); + if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, + fw_ddb_entry_dma, NULL, NULL, &ddb_state, + NULL, NULL, NULL) == QLA_ERROR) { + DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " + "get_ddb_entry for fw_ddb_index %d\n", + ha->host_no, __func__, + ddb_entry->fw_ddb_index)); + return; } + + cls_sess = ddb_entry->sess; + sess = cls_sess->dd_data; + + cls_conn = ddb_entry->conn; + conn = cls_conn->dd_data; + + /* Update params */ + conn->max_recv_dlength = BYTE_UNITS * + le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); + + conn->max_xmit_dlength = BYTE_UNITS * + le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); + + sess->initial_r2t_en = + (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options)); + + sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); + + sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options)); + + sess->first_burst = BYTE_UNITS * + le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); + + sess->max_burst = BYTE_UNITS * + le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); + + sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); + + sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); + + sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); + + memcpy(sess->initiatorname, ha->name_string, + min(sizeof(ha->name_string), sizeof(sess->initiatorname))); } /* @@ -376,25 +1435,15 @@ static void qla4xxx_stop_timer(struct scsi_qla_host *ha) } /*** - * qla4xxx_mark_device_missing - mark a device as missing. - * @ha: Pointer to host adapter structure. + * qla4xxx_mark_device_missing - blocks the session + * @cls_session: Pointer to the session to be blocked * @ddb_entry: Pointer to device database entry * * This routine marks a device missing and close connection. **/ -void qla4xxx_mark_device_missing(struct scsi_qla_host *ha, - struct ddb_entry *ddb_entry) +void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) { - if ((atomic_read(&ddb_entry->state) != DDB_STATE_DEAD)) { - atomic_set(&ddb_entry->state, DDB_STATE_MISSING); - DEBUG2(printk("scsi%ld: ddb [%d] marked MISSING\n", - ha->host_no, ddb_entry->fw_ddb_index)); - } else - DEBUG2(printk("scsi%ld: ddb [%d] DEAD\n", ha->host_no, - ddb_entry->fw_ddb_index)) - - iscsi_block_session(ddb_entry->sess); - iscsi_conn_error_event(ddb_entry->conn, ISCSI_ERR_CONN_FAILED); + iscsi_block_session(cls_session); } /** @@ -405,10 +1454,7 @@ void qla4xxx_mark_device_missing(struct scsi_qla_host *ha, **/ void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) { - struct ddb_entry *ddb_entry, *ddbtemp; - list_for_each_entry_safe(ddb_entry, ddbtemp, &ha->ddb_list, list) { - qla4xxx_mark_device_missing(ha, ddb_entry); - } + iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); } static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, @@ -495,20 +1541,13 @@ static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) goto qc_fail_command; } - if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) { - if (atomic_read(&ddb_entry->state) == DDB_STATE_DEAD) { - cmd->result = DID_NO_CONNECT << 16; - goto qc_fail_command; - } - return SCSI_MLQUEUE_TARGET_BUSY; - } - if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || test_bit(DPC_RESET_HA, &ha->dpc_flags) || test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || !test_bit(AF_ONLINE, &ha->flags) || + !test_bit(AF_LINK_UP, &ha->flags) || test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) goto qc_host_busy; @@ -563,6 +1602,9 @@ static void qla4xxx_mem_free(struct scsi_qla_host *ha) ha->srb_mempool = NULL; + if (ha->chap_dma_pool) + dma_pool_destroy(ha->chap_dma_pool); + /* release io space registers */ if (is_qla8022(ha)) { if (ha->nx_pcibase) @@ -636,6 +1678,15 @@ static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) goto mem_alloc_error_exit; } + ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, + CHAP_DMA_BLOCK_SIZE, 8, 0); + + if (ha->chap_dma_pool == NULL) { + ql4_printk(KERN_WARNING, ha, + "%s: chap_dma_pool allocation failed..\n", __func__); + goto mem_alloc_error_exit; + } + return QLA_SUCCESS; mem_alloc_error_exit: @@ -753,7 +1804,6 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) **/ static void qla4xxx_timer(struct scsi_qla_host *ha) { - struct ddb_entry *ddb_entry, *dtemp; int start_dpc = 0; uint16_t w; @@ -773,69 +1823,6 @@ static void qla4xxx_timer(struct scsi_qla_host *ha) qla4_8xxx_watchdog(ha); } - /* Search for relogin's to time-out and port down retry. */ - list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) { - /* Count down time between sending relogins */ - if (adapter_up(ha) && - !test_bit(DF_RELOGIN, &ddb_entry->flags) && - atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) { - if (atomic_read(&ddb_entry->retry_relogin_timer) != - INVALID_ENTRY) { - if (atomic_read(&ddb_entry->retry_relogin_timer) - == 0) { - atomic_set(&ddb_entry-> - retry_relogin_timer, - INVALID_ENTRY); - set_bit(DPC_RELOGIN_DEVICE, - &ha->dpc_flags); - set_bit(DF_RELOGIN, &ddb_entry->flags); - DEBUG2(printk("scsi%ld: %s: ddb [%d]" - " login device\n", - ha->host_no, __func__, - ddb_entry->fw_ddb_index)); - } else - atomic_dec(&ddb_entry-> - retry_relogin_timer); - } - } - - /* Wait for relogin to timeout */ - if (atomic_read(&ddb_entry->relogin_timer) && - (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { - /* - * If the relogin times out and the device is - * still NOT ONLINE then try and relogin again. - */ - if (atomic_read(&ddb_entry->state) != - DDB_STATE_ONLINE && - ddb_entry->fw_ddb_device_state == - DDB_DS_SESSION_FAILED) { - /* Reset retry relogin timer */ - atomic_inc(&ddb_entry->relogin_retry_count); - DEBUG2(printk("scsi%ld: ddb [%d] relogin" - " timed out-retrying" - " relogin (%d)\n", - ha->host_no, - ddb_entry->fw_ddb_index, - atomic_read(&ddb_entry-> - relogin_retry_count)) - ); - start_dpc++; - DEBUG(printk("scsi%ld:%d:%d: ddb [%d] " - "initiate relogin after" - " %d seconds\n", - ha->host_no, ddb_entry->bus, - ddb_entry->target, - ddb_entry->fw_ddb_index, - ddb_entry->default_time2wait + 4) - ); - - atomic_set(&ddb_entry->retry_relogin_timer, - ddb_entry->default_time2wait + 4); - } - } - } - if (!is_qla8022(ha)) { /* Check for heartbeat interval. */ if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && @@ -1081,6 +2068,17 @@ void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) clear_bit(AF_INIT_DONE, &ha->flags); } +static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) +{ + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + + sess = cls_session->dd_data; + ddb_entry = sess->dd_data; + ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; + iscsi_session_failure(cls_session->dd_data, ISCSI_ERR_CONN_FAILED); +} + /** * qla4xxx_recover_adapter - recovers adapter after a fatal error * @ha: Pointer to host adapter structure. @@ -1093,11 +2091,14 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) /* Stall incoming I/O until we are done */ scsi_block_requests(ha->host); clear_bit(AF_ONLINE, &ha->flags); + clear_bit(AF_LINK_UP, &ha->flags); DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); + iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); + if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) reset_chip = 1; @@ -1160,7 +2161,7 @@ recover_ha_init_adapter: /* NOTE: AF_ONLINE flag set upon successful completion of * qla4xxx_initialize_adapter */ - status = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST); + status = qla4xxx_initialize_adapter(ha); } /* Retry failed adapter initialization, if necessary @@ -1225,27 +2226,34 @@ recover_ha_init_adapter: return status; } -static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) +static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) { - struct ddb_entry *ddb_entry, *dtemp; + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + struct scsi_qla_host *ha; - list_for_each_entry_safe(ddb_entry, dtemp, &ha->ddb_list, list) { - if ((atomic_read(&ddb_entry->state) == DDB_STATE_MISSING) || - (atomic_read(&ddb_entry->state) == DDB_STATE_DEAD)) { - if (ddb_entry->fw_ddb_device_state == - DDB_DS_SESSION_ACTIVE) { - atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); - ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" - " marked ONLINE\n", ha->host_no, __func__, - ddb_entry->fw_ddb_index); - - iscsi_unblock_session(ddb_entry->sess); - } else - qla4xxx_relogin_device(ha, ddb_entry); + sess = cls_session->dd_data; + ddb_entry = sess->dd_data; + ha = ddb_entry->ha; + if (!iscsi_is_session_online(cls_session)) { + if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { + ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" + " unblock session\n", ha->host_no, __func__, + ddb_entry->fw_ddb_index); + iscsi_unblock_session(ddb_entry->sess); + } else { + /* Trigger relogin */ + iscsi_session_failure(cls_session->dd_data, + ISCSI_ERR_CONN_FAILED); } } } +static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) +{ + iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); +} + void qla4xxx_wake_dpc(struct scsi_qla_host *ha) { if (ha->dpc_thread) @@ -1267,7 +2275,6 @@ static void qla4xxx_do_dpc(struct work_struct *work) { struct scsi_qla_host *ha = container_of(work, struct scsi_qla_host, dpc_work); - struct ddb_entry *ddb_entry, *dtemp; int status = QLA_ERROR; DEBUG2(printk("scsi%ld: %s: DPC handler waking up." @@ -1363,31 +2370,6 @@ dpc_post_reset_ha: qla4xxx_relogin_all_devices(ha); } } - - /* ---- relogin device? --- */ - if (adapter_up(ha) && - test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { - list_for_each_entry_safe(ddb_entry, dtemp, - &ha->ddb_list, list) { - if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && - atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE) - qla4xxx_relogin_device(ha, ddb_entry); - - /* - * If mbx cmd times out there is no point - * in continuing further. - * With large no of targets this can hang - * the system. - */ - if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) { - printk(KERN_WARNING "scsi%ld: %s: " - "need to reset hba\n", - ha->host_no, __func__); - break; - } - } - } - } /** @@ -1410,6 +2392,10 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha) if (ha->dpc_thread) destroy_workqueue(ha->dpc_thread); + /* Kill the kernel thread for this host */ + if (ha->task_wq) + destroy_workqueue(ha->task_wq); + /* Put firmware in known state */ ha->isp_ops->reset_firmware(ha); @@ -1601,6 +2587,477 @@ uint16_t qla4_8xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) return (uint16_t)le32_to_cpu(readl(&ha->qla4_8xxx_reg->rsp_q_in)); } +static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) +{ + struct scsi_qla_host *ha = data; + char *str = buf; + int rc; + + switch (type) { + case ISCSI_BOOT_ETH_FLAGS: + rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); + break; + case ISCSI_BOOT_ETH_INDEX: + rc = sprintf(str, "0\n"); + break; + case ISCSI_BOOT_ETH_MAC: + rc = sysfs_format_mac(str, ha->my_mac, + MAC_ADDR_LEN); + break; + default: + rc = -ENOSYS; + break; + } + return rc; +} + +static mode_t qla4xxx_eth_get_attr_visibility(void *data, int type) +{ + int rc; + + switch (type) { + case ISCSI_BOOT_ETH_FLAGS: + case ISCSI_BOOT_ETH_MAC: + case ISCSI_BOOT_ETH_INDEX: + rc = S_IRUGO; + break; + default: + rc = 0; + break; + } + return rc; +} + +static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) +{ + struct scsi_qla_host *ha = data; + char *str = buf; + int rc; + + switch (type) { + case ISCSI_BOOT_INI_INITIATOR_NAME: + rc = sprintf(str, "%s\n", ha->name_string); + break; + default: + rc = -ENOSYS; + break; + } + return rc; +} + +static mode_t qla4xxx_ini_get_attr_visibility(void *data, int type) +{ + int rc; + + switch (type) { + case ISCSI_BOOT_INI_INITIATOR_NAME: + rc = S_IRUGO; + break; + default: + rc = 0; + break; + } + return rc; +} + +static ssize_t +qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, + char *buf) +{ + struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; + char *str = buf; + int rc; + + switch (type) { + case ISCSI_BOOT_TGT_NAME: + rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); + break; + case ISCSI_BOOT_TGT_IP_ADDR: + if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) + rc = sprintf(buf, "%pI4\n", + &boot_conn->dest_ipaddr.ip_address); + else + rc = sprintf(str, "%pI6\n", + &boot_conn->dest_ipaddr.ip_address); + break; + case ISCSI_BOOT_TGT_PORT: + rc = sprintf(str, "%d\n", boot_conn->dest_port); + break; + case ISCSI_BOOT_TGT_CHAP_NAME: + rc = sprintf(str, "%.*s\n", + boot_conn->chap.target_chap_name_length, + (char *)&boot_conn->chap.target_chap_name); + break; + case ISCSI_BOOT_TGT_CHAP_SECRET: + rc = sprintf(str, "%.*s\n", + boot_conn->chap.target_secret_length, + (char *)&boot_conn->chap.target_secret); + break; + case ISCSI_BOOT_TGT_REV_CHAP_NAME: + rc = sprintf(str, "%.*s\n", + boot_conn->chap.intr_chap_name_length, + (char *)&boot_conn->chap.intr_chap_name); + break; + case ISCSI_BOOT_TGT_REV_CHAP_SECRET: + rc = sprintf(str, "%.*s\n", + boot_conn->chap.intr_secret_length, + (char *)&boot_conn->chap.intr_secret); + break; + case ISCSI_BOOT_TGT_FLAGS: + rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); + break; + case ISCSI_BOOT_TGT_NIC_ASSOC: + rc = sprintf(str, "0\n"); + break; + default: + rc = -ENOSYS; + break; + } + return rc; +} + +static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) +{ + struct scsi_qla_host *ha = data; + struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); + + return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); +} + +static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) +{ + struct scsi_qla_host *ha = data; + struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); + + return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); +} + +static mode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) +{ + int rc; + + switch (type) { + case ISCSI_BOOT_TGT_NAME: + case ISCSI_BOOT_TGT_IP_ADDR: + case ISCSI_BOOT_TGT_PORT: + case ISCSI_BOOT_TGT_CHAP_NAME: + case ISCSI_BOOT_TGT_CHAP_SECRET: + case ISCSI_BOOT_TGT_REV_CHAP_NAME: + case ISCSI_BOOT_TGT_REV_CHAP_SECRET: + case ISCSI_BOOT_TGT_NIC_ASSOC: + case ISCSI_BOOT_TGT_FLAGS: + rc = S_IRUGO; + break; + default: + rc = 0; + break; + } + return rc; +} + +static void qla4xxx_boot_release(void *data) +{ + struct scsi_qla_host *ha = data; + + scsi_host_put(ha->host); +} + +static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) +{ + dma_addr_t buf_dma; + uint32_t addr, pri_addr, sec_addr; + uint32_t offset; + uint16_t func_num; + uint8_t val; + uint8_t *buf = NULL; + size_t size = 13 * sizeof(uint8_t); + int ret = QLA_SUCCESS; + + func_num = PCI_FUNC(ha->pdev->devfn); + + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: Get FW boot info for 0x%x func %d\n", __func__, + (is_qla4032(ha) ? PCI_DEVICE_ID_QLOGIC_ISP4032 : + PCI_DEVICE_ID_QLOGIC_ISP8022), func_num)); + + if (is_qla4032(ha)) { + if (func_num == 1) { + addr = NVRAM_PORT0_BOOT_MODE; + pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; + sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; + } else if (func_num == 3) { + addr = NVRAM_PORT1_BOOT_MODE; + pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; + sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; + } else { + ret = QLA_ERROR; + goto exit_boot_info; + } + + /* Check Boot Mode */ + val = rd_nvram_byte(ha, addr); + if (!(val & 0x07)) { + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s: Failed Boot options : 0x%x\n", + __func__, val)); + ret = QLA_ERROR; + goto exit_boot_info; + } + + /* get primary valid target index */ + val = rd_nvram_byte(ha, pri_addr); + if (val & BIT_7) + ddb_index[0] = (val & 0x7f); + else + ddb_index[0] = 0; + + /* get secondary valid target index */ + val = rd_nvram_byte(ha, sec_addr); + if (val & BIT_7) + ddb_index[1] = (val & 0x7f); + else + ddb_index[1] = 1; + + } else if (is_qla8022(ha)) { + buf = dma_alloc_coherent(&ha->pdev->dev, size, + &buf_dma, GFP_KERNEL); + if (!buf) { + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s: Unable to allocate dma buffer\n", + __func__)); + ret = QLA_ERROR; + goto exit_boot_info; + } + + if (ha->port_num == 0) + offset = BOOT_PARAM_OFFSET_PORT0; + else if (ha->port_num == 1) + offset = BOOT_PARAM_OFFSET_PORT1; + else { + ret = QLA_ERROR; + goto exit_boot_info_free; + } + addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + + offset; + if (qla4xxx_get_flash(ha, buf_dma, addr, + 13 * sizeof(uint8_t)) != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" + "failed\n", ha->host_no, __func__)); + ret = QLA_ERROR; + goto exit_boot_info_free; + } + /* Check Boot Mode */ + if (!(buf[1] & 0x07)) { + DEBUG2(ql4_printk(KERN_INFO, ha, + "Failed: Boot options : 0x%x\n", + buf[1])); + ret = QLA_ERROR; + goto exit_boot_info_free; + } + + /* get primary valid target index */ + if (buf[2] & BIT_7) + ddb_index[0] = buf[2] & 0x7f; + else + ddb_index[0] = 0; + + /* get secondary valid target index */ + if (buf[11] & BIT_7) + ddb_index[1] = buf[11] & 0x7f; + else + ddb_index[1] = 1; + + } else { + ret = QLA_ERROR; + goto exit_boot_info; + } + + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" + " target ID %d\n", __func__, ddb_index[0], + ddb_index[1])); + +exit_boot_info_free: + dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); +exit_boot_info: + return ret; +} + +static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, + struct ql4_boot_session_info *boot_sess, + uint16_t ddb_index) +{ + struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; + struct dev_db_entry *fw_ddb_entry; + dma_addr_t fw_ddb_entry_dma; + uint16_t idx; + uint16_t options; + int ret = QLA_SUCCESS; + + fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), + &fw_ddb_entry_dma, GFP_KERNEL); + if (!fw_ddb_entry) { + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s: Unable to allocate dma buffer.\n", + __func__)); + ret = QLA_ERROR; + return ret; + } + + if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, + fw_ddb_entry_dma, ddb_index)) { + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s: Flash DDB read Failed\n", __func__)); + ret = QLA_ERROR; + goto exit_boot_target; + } + + /* Update target name and IP from DDB */ + memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, + min(sizeof(boot_sess->target_name), + sizeof(fw_ddb_entry->iscsi_name))); + + options = le16_to_cpu(fw_ddb_entry->options); + if (options & DDB_OPT_IPV6_DEVICE) { + memcpy(&boot_conn->dest_ipaddr.ip_address, + &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); + } else { + boot_conn->dest_ipaddr.ip_type = 0x1; + memcpy(&boot_conn->dest_ipaddr.ip_address, + &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); + } + + boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); + + /* update chap information */ + idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); + + if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { + + DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); + + ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. + target_chap_name, + (char *)&boot_conn->chap.target_secret, + idx); + if (ret) { + ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); + ret = QLA_ERROR; + goto exit_boot_target; + } + + boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; + boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; + } + + if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { + + DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); + + ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. + intr_chap_name, + (char *)&boot_conn->chap.intr_secret, + (idx + 1)); + if (ret) { + ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); + ret = QLA_ERROR; + goto exit_boot_target; + } + + boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; + boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; + } + +exit_boot_target: + dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), + fw_ddb_entry, fw_ddb_entry_dma); + return ret; +} + +static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) +{ + uint16_t ddb_index[2]; + int ret = QLA_SUCCESS; + + memset(ddb_index, 0, sizeof(ddb_index)); + ret = get_fw_boot_info(ha, ddb_index); + if (ret != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, + "%s: Failed to set boot info.\n", __func__)); + return ret; + } + + ret = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), + ddb_index[0]); + if (ret != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get " + "primary target\n", __func__)); + } + + ret = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), + ddb_index[1]); + if (ret != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get " + "secondary target\n", __func__)); + } + return ret; +} + +static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) +{ + struct iscsi_boot_kobj *boot_kobj; + + if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) + return 0; + + ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); + if (!ha->boot_kset) + goto kset_free; + + if (!scsi_host_get(ha->host)) + goto kset_free; + boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, + qla4xxx_show_boot_tgt_pri_info, + qla4xxx_tgt_get_attr_visibility, + qla4xxx_boot_release); + if (!boot_kobj) + goto put_host; + + if (!scsi_host_get(ha->host)) + goto kset_free; + boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, + qla4xxx_show_boot_tgt_sec_info, + qla4xxx_tgt_get_attr_visibility, + qla4xxx_boot_release); + if (!boot_kobj) + goto put_host; + + if (!scsi_host_get(ha->host)) + goto kset_free; + boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, + qla4xxx_show_boot_ini_info, + qla4xxx_ini_get_attr_visibility, + qla4xxx_boot_release); + if (!boot_kobj) + goto put_host; + + if (!scsi_host_get(ha->host)) + goto kset_free; + boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, + qla4xxx_show_boot_eth_info, + qla4xxx_eth_get_attr_visibility, + qla4xxx_boot_release); + if (!boot_kobj) + goto put_host; + + return 0; + +put_host: + scsi_host_put(ha->host); +kset_free: + iscsi_boot_destroy_kset(ha->boot_kset); + return -ENOMEM; +} + /** * qla4xxx_probe_adapter - callback function to probe HBA * @pdev: pointer to pci_dev structure @@ -1624,7 +3081,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, if (pci_enable_device(pdev)) return -1; - host = scsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha)); + host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); if (host == NULL) { printk(KERN_WARNING "qla4xxx: Couldn't allocate host from scsi layer!\n"); @@ -1632,7 +3089,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, } /* Clear our data area */ - ha = (struct scsi_qla_host *) host->hostdata; + ha = to_qla_host(host); memset(ha, 0, sizeof(*ha)); /* Save the information from PCI BIOS. */ @@ -1675,11 +3132,11 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, qla4xxx_config_dma_addressing(ha); /* Initialize lists and spinlocks. */ - INIT_LIST_HEAD(&ha->ddb_list); INIT_LIST_HEAD(&ha->free_srb_q); mutex_init(&ha->mbox_sem); init_completion(&ha->mbx_intr_comp); + init_completion(&ha->disable_acb_comp); spin_lock_init(&ha->hardware_lock); @@ -1692,6 +3149,27 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, goto probe_failed; } + host->cmd_per_lun = 3; + host->max_channel = 0; + host->max_lun = MAX_LUNS - 1; + host->max_id = MAX_TARGETS; + host->max_cmd_len = IOCB_MAX_CDB_LEN; + host->can_queue = MAX_SRBS ; + host->transportt = qla4xxx_scsi_transport; + + ret = scsi_init_shared_tag_map(host, MAX_SRBS); + if (ret) { + ql4_printk(KERN_WARNING, ha, + "%s: scsi_init_shared_tag_map failed\n", __func__); + goto probe_failed; + } + + pci_set_drvdata(pdev, ha); + + ret = scsi_add_host(host, &pdev->dev); + if (ret) + goto probe_failed; + if (is_qla8022(ha)) (void) qla4_8xxx_get_flash_info(ha); @@ -1700,7 +3178,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, * firmware * NOTE: interrupts enabled upon successful completion */ - status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST); + status = qla4xxx_initialize_adapter(ha); while ((!test_bit(AF_ONLINE, &ha->flags)) && init_retry_count++ < MAX_INIT_RETRIES) { @@ -1721,7 +3199,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) continue; - status = qla4xxx_initialize_adapter(ha, REBUILD_DDB_LIST); + status = qla4xxx_initialize_adapter(ha); } if (!test_bit(AF_ONLINE, &ha->flags)) { @@ -1736,24 +3214,9 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, qla4_8xxx_idc_unlock(ha); } ret = -ENODEV; - goto probe_failed; + goto remove_host; } - host->cmd_per_lun = 3; - host->max_channel = 0; - host->max_lun = MAX_LUNS - 1; - host->max_id = MAX_TARGETS; - host->max_cmd_len = IOCB_MAX_CDB_LEN; - host->can_queue = MAX_SRBS ; - host->transportt = qla4xxx_scsi_transport; - - ret = scsi_init_shared_tag_map(host, MAX_SRBS); - if (ret) { - ql4_printk(KERN_WARNING, ha, - "scsi_init_shared_tag_map failed\n"); - goto probe_failed; - } - /* Startup the kernel thread for this host adapter. */ DEBUG2(printk("scsi: %s: Starting kernel thread for " "qla4xxx_dpc\n", __func__)); @@ -1762,10 +3225,18 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, if (!ha->dpc_thread) { ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); ret = -ENODEV; - goto probe_failed; + goto remove_host; } INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); + sprintf(buf, "qla4xxx_%lu_task", ha->host_no); + ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1); + if (!ha->task_wq) { + ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); + ret = -ENODEV; + goto remove_host; + } + /* For ISP-82XX, request_irqs is called in qla4_8xxx_load_risc * (which is called indirectly by qla4xxx_initialize_adapter), * so that irqs will be registered after crbinit but before @@ -1776,7 +3247,7 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, if (ret) { ql4_printk(KERN_WARNING, ha, "Failed to reserve " "interrupt %d already in use.\n", pdev->irq); - goto probe_failed; + goto remove_host; } } @@ -1788,21 +3259,23 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, set_bit(AF_INIT_DONE, &ha->flags); - pci_set_drvdata(pdev, ha); - - ret = scsi_add_host(host, &pdev->dev); - if (ret) - goto probe_failed; - printk(KERN_INFO " QLogic iSCSI HBA Driver version: %s\n" " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), ha->host_no, ha->firmware_version[0], ha->firmware_version[1], ha->patch_number, ha->build_number); - scsi_scan_host(host); + + if (qla4xxx_setup_boot_info(ha)) + ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n", + __func__); + + qla4xxx_create_ifaces(ha); return 0; +remove_host: + scsi_remove_host(ha->host); + probe_failed: qla4xxx_free_adapter(ha); @@ -1867,8 +3340,11 @@ static void __devexit qla4xxx_remove_adapter(struct pci_dev *pdev) if (!is_qla8022(ha)) qla4xxx_prevent_other_port_reinit(ha); - /* remove devs from iscsi_sessions to scsi_devices */ - qla4xxx_free_ddb_list(ha); + /* destroy iface from sysfs */ + qla4xxx_destroy_ifaces(ha); + + if (ha->boot_kset) + iscsi_boot_destroy_kset(ha->boot_kset); scsi_remove_host(ha->host); @@ -1907,10 +3383,15 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) static int qla4xxx_slave_alloc(struct scsi_device *sdev) { - struct iscsi_cls_session *sess = starget_to_session(sdev->sdev_target); - struct ddb_entry *ddb = sess->dd_data; + struct iscsi_cls_session *cls_sess; + struct iscsi_session *sess; + struct ddb_entry *ddb; int queue_depth = QL4_DEF_QDEPTH; + cls_sess = starget_to_session(sdev->sdev_target); + sess = cls_sess->dd_data; + ddb = sess->dd_data; + sdev->hostdata = ddb; sdev->tagged_supported = 1; @@ -2248,7 +3729,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) int return_status = FAILED; struct scsi_qla_host *ha; - ha = (struct scsi_qla_host *) cmd->device->host->hostdata; + ha = to_qla_host(cmd->device->host); if (ql4xdontresethba) { DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", @@ -2284,6 +3765,110 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) return return_status; } +static int qla4xxx_context_reset(struct scsi_qla_host *ha) +{ + uint32_t mbox_cmd[MBOX_REG_COUNT]; + uint32_t mbox_sts[MBOX_REG_COUNT]; + struct addr_ctrl_blk_def *acb = NULL; + uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); + int rval = QLA_SUCCESS; + dma_addr_t acb_dma; + + acb = dma_alloc_coherent(&ha->pdev->dev, + sizeof(struct addr_ctrl_blk_def), + &acb_dma, GFP_KERNEL); + if (!acb) { + ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", + __func__); + rval = -ENOMEM; + goto exit_port_reset; + } + + memset(acb, 0, acb_len); + + rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); + if (rval != QLA_SUCCESS) { + rval = -EIO; + goto exit_free_acb; + } + + rval = qla4xxx_disable_acb(ha); + if (rval != QLA_SUCCESS) { + rval = -EIO; + goto exit_free_acb; + } + + wait_for_completion_timeout(&ha->disable_acb_comp, + DISABLE_ACB_TOV * HZ); + + rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); + if (rval != QLA_SUCCESS) { + rval = -EIO; + goto exit_free_acb; + } + +exit_free_acb: + dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), + acb, acb_dma); +exit_port_reset: + DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, + rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); + return rval; +} + +static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + int rval = QLA_SUCCESS; + + if (ql4xdontresethba) { + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", + __func__)); + rval = -EPERM; + goto exit_host_reset; + } + + rval = qla4xxx_wait_for_hba_online(ha); + if (rval != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Unable to reset host " + "adapter\n", __func__)); + rval = -EIO; + goto exit_host_reset; + } + + if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) + goto recover_adapter; + + switch (reset_type) { + case SCSI_ADAPTER_RESET: + set_bit(DPC_RESET_HA, &ha->dpc_flags); + break; + case SCSI_FIRMWARE_RESET: + if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { + if (is_qla8022(ha)) + /* set firmware context reset */ + set_bit(DPC_RESET_HA_FW_CONTEXT, + &ha->dpc_flags); + else { + rval = qla4xxx_context_reset(ha); + goto exit_host_reset; + } + } + break; + } + +recover_adapter: + rval = qla4xxx_recover_adapter(ha); + if (rval != QLA_SUCCESS) { + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", + __func__)); + rval = -EIO; + } + +exit_host_reset: + return rval; +} + /* PCI AER driver recovers from all correctable errors w/o * driver intervention. For uncorrectable errors PCI AER * driver calls the following device driver's callbacks @@ -2360,7 +3945,8 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) if (test_bit(AF_ONLINE, &ha->flags)) { clear_bit(AF_ONLINE, &ha->flags); - qla4xxx_mark_all_devices_missing(ha); + clear_bit(AF_LINK_UP, &ha->flags); + iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); } @@ -2407,7 +3993,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) qla4_8xxx_idc_unlock(ha); clear_bit(AF_FW_RECOVERY, &ha->flags); - rval = qla4xxx_initialize_adapter(ha, PRESERVE_DDB_LIST); + rval = qla4xxx_initialize_adapter(ha); qla4_8xxx_idc_lock(ha); if (rval != QLA_SUCCESS) { @@ -2443,8 +4029,7 @@ static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) if ((qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE) == QLA82XX_DEV_READY)) { clear_bit(AF_FW_RECOVERY, &ha->flags); - rval = qla4xxx_initialize_adapter(ha, - PRESERVE_DDB_LIST); + rval = qla4xxx_initialize_adapter(ha); if (rval == QLA_SUCCESS) { ret = qla4xxx_request_irqs(ha); if (ret) { diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index a4b9cdb..dc6131e 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -293,8 +293,16 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) * so that we can deal with it there. */ if (scmd->device->expecting_cc_ua) { - scmd->device->expecting_cc_ua = 0; - return NEEDS_RETRY; + /* + * Because some device does not queue unit + * attentions correctly, we carefully check + * additional sense code and qualifier so as + * not to squash media change unit attention. + */ + if (sshdr.asc != 0x28 || sshdr.ascq != 0x00) { + scmd->device->expecting_cc_ua = 0; + return NEEDS_RETRY; + } } /* * if the device is in the process of becoming ready, we diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index e0bd3f7..04c2a27 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -246,6 +246,43 @@ show_shost_active_mode(struct device *dev, static DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL); +static int check_reset_type(char *str) +{ + if (strncmp(str, "adapter", 10) == 0) + return SCSI_ADAPTER_RESET; + else if (strncmp(str, "firmware", 10) == 0) + return SCSI_FIRMWARE_RESET; + else + return 0; +} + +static ssize_t +store_host_reset(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct scsi_host_template *sht = shost->hostt; + int ret = -EINVAL; + char str[10]; + int type; + + sscanf(buf, "%s", str); + type = check_reset_type(str); + + if (!type) + goto exit_store_host_reset; + + if (sht->host_reset) + ret = sht->host_reset(shost, type); + +exit_store_host_reset: + if (ret == 0) + ret = count; + return ret; +} + +static DEVICE_ATTR(host_reset, S_IWUSR, NULL, store_host_reset); + shost_rd_attr(unique_id, "%u\n"); shost_rd_attr(host_busy, "%hu\n"); shost_rd_attr(cmd_per_lun, "%hd\n"); @@ -272,6 +309,7 @@ static struct attribute *scsi_sysfs_shost_attrs[] = { &dev_attr_active_mode.attr, &dev_attr_prot_capabilities.attr, &dev_attr_prot_guard_type.attr, + &dev_attr_host_reset.attr, NULL }; diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 3fd16d7..c58f676 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -31,10 +32,7 @@ #include #include #include - -#define ISCSI_SESSION_ATTRS 23 -#define ISCSI_CONN_ATTRS 13 -#define ISCSI_HOST_ATTRS 4 +#include #define ISCSI_TRANSPORT_VERSION "2.0-870" @@ -76,11 +74,8 @@ struct iscsi_internal { struct list_head list; struct device dev; - struct device_attribute *host_attrs[ISCSI_HOST_ATTRS + 1]; struct transport_container conn_cont; - struct device_attribute *conn_attrs[ISCSI_CONN_ATTRS + 1]; struct transport_container session_cont; - struct device_attribute *session_attrs[ISCSI_SESSION_ATTRS + 1]; }; static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ @@ -270,6 +265,291 @@ struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle) } EXPORT_SYMBOL_GPL(iscsi_lookup_endpoint); +/* + * Interface to display network param to sysfs + */ + +static void iscsi_iface_release(struct device *dev) +{ + struct iscsi_iface *iface = iscsi_dev_to_iface(dev); + struct device *parent = iface->dev.parent; + + kfree(iface); + put_device(parent); +} + + +static struct class iscsi_iface_class = { + .name = "iscsi_iface", + .dev_release = iscsi_iface_release, +}; + +#define ISCSI_IFACE_ATTR(_prefix, _name, _mode, _show, _store) \ +struct device_attribute dev_attr_##_prefix##_##_name = \ + __ATTR(_name, _mode, _show, _store) + +/* iface attrs show */ +#define iscsi_iface_attr_show(type, name, param_type, param) \ +static ssize_t \ +show_##type##_##name(struct device *dev, struct device_attribute *attr, \ + char *buf) \ +{ \ + struct iscsi_iface *iface = iscsi_dev_to_iface(dev); \ + struct iscsi_transport *t = iface->transport; \ + return t->get_iface_param(iface, param_type, param, buf); \ +} \ + +#define iscsi_iface_net_attr(type, name, param) \ + iscsi_iface_attr_show(type, name, ISCSI_NET_PARAM, param) \ +static ISCSI_IFACE_ATTR(type, name, S_IRUGO, show_##type##_##name, NULL); + +/* generic read only ipvi4 attribute */ +iscsi_iface_net_attr(ipv4_iface, ipaddress, ISCSI_NET_PARAM_IPV4_ADDR); +iscsi_iface_net_attr(ipv4_iface, gateway, ISCSI_NET_PARAM_IPV4_GW); +iscsi_iface_net_attr(ipv4_iface, subnet, ISCSI_NET_PARAM_IPV4_SUBNET); +iscsi_iface_net_attr(ipv4_iface, bootproto, ISCSI_NET_PARAM_IPV4_BOOTPROTO); + +/* generic read only ipv6 attribute */ +iscsi_iface_net_attr(ipv6_iface, ipaddress, ISCSI_NET_PARAM_IPV6_ADDR); +iscsi_iface_net_attr(ipv6_iface, link_local_addr, ISCSI_NET_PARAM_IPV6_LINKLOCAL); +iscsi_iface_net_attr(ipv6_iface, router_addr, ISCSI_NET_PARAM_IPV6_ROUTER); +iscsi_iface_net_attr(ipv6_iface, ipaddr_autocfg, + ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG); +iscsi_iface_net_attr(ipv6_iface, linklocal_autocfg, + ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG); + +/* common read only iface attribute */ +iscsi_iface_net_attr(iface, enabled, ISCSI_NET_PARAM_IFACE_ENABLE); +iscsi_iface_net_attr(iface, vlan, ISCSI_NET_PARAM_VLAN_ID); +iscsi_iface_net_attr(iface, vlan_priority, ISCSI_NET_PARAM_VLAN_PRIORITY); +iscsi_iface_net_attr(iface, vlan_enabled, ISCSI_NET_PARAM_VLAN_ENABLED); +iscsi_iface_net_attr(iface, mtu, ISCSI_NET_PARAM_MTU); +iscsi_iface_net_attr(iface, port, ISCSI_NET_PARAM_PORT); + +static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct iscsi_iface *iface = iscsi_dev_to_iface(dev); + struct iscsi_transport *t = iface->transport; + int param; + + if (attr == &dev_attr_iface_enabled.attr) + param = ISCSI_NET_PARAM_IFACE_ENABLE; + else if (attr == &dev_attr_iface_vlan.attr) + param = ISCSI_NET_PARAM_VLAN_ID; + else if (attr == &dev_attr_iface_vlan_priority.attr) + param = ISCSI_NET_PARAM_VLAN_PRIORITY; + else if (attr == &dev_attr_iface_vlan_enabled.attr) + param = ISCSI_NET_PARAM_VLAN_ENABLED; + else if (attr == &dev_attr_iface_mtu.attr) + param = ISCSI_NET_PARAM_MTU; + else if (attr == &dev_attr_iface_port.attr) + param = ISCSI_NET_PARAM_PORT; + else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) { + if (attr == &dev_attr_ipv4_iface_ipaddress.attr) + param = ISCSI_NET_PARAM_IPV4_ADDR; + else if (attr == &dev_attr_ipv4_iface_gateway.attr) + param = ISCSI_NET_PARAM_IPV4_GW; + else if (attr == &dev_attr_ipv4_iface_subnet.attr) + param = ISCSI_NET_PARAM_IPV4_SUBNET; + else if (attr == &dev_attr_ipv4_iface_bootproto.attr) + param = ISCSI_NET_PARAM_IPV4_BOOTPROTO; + else + return 0; + } else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) { + if (attr == &dev_attr_ipv6_iface_ipaddress.attr) + param = ISCSI_NET_PARAM_IPV6_ADDR; + else if (attr == &dev_attr_ipv6_iface_link_local_addr.attr) + param = ISCSI_NET_PARAM_IPV6_LINKLOCAL; + else if (attr == &dev_attr_ipv6_iface_router_addr.attr) + param = ISCSI_NET_PARAM_IPV6_ROUTER; + else if (attr == &dev_attr_ipv6_iface_ipaddr_autocfg.attr) + param = ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG; + else if (attr == &dev_attr_ipv6_iface_linklocal_autocfg.attr) + param = ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG; + else + return 0; + } else { + WARN_ONCE(1, "Invalid iface attr"); + return 0; + } + + return t->attr_is_visible(ISCSI_NET_PARAM, param); +} + +static struct attribute *iscsi_iface_attrs[] = { + &dev_attr_iface_enabled.attr, + &dev_attr_iface_vlan.attr, + &dev_attr_iface_vlan_priority.attr, + &dev_attr_iface_vlan_enabled.attr, + &dev_attr_ipv4_iface_ipaddress.attr, + &dev_attr_ipv4_iface_gateway.attr, + &dev_attr_ipv4_iface_subnet.attr, + &dev_attr_ipv4_iface_bootproto.attr, + &dev_attr_ipv6_iface_ipaddress.attr, + &dev_attr_ipv6_iface_link_local_addr.attr, + &dev_attr_ipv6_iface_router_addr.attr, + &dev_attr_ipv6_iface_ipaddr_autocfg.attr, + &dev_attr_ipv6_iface_linklocal_autocfg.attr, + &dev_attr_iface_mtu.attr, + &dev_attr_iface_port.attr, + NULL, +}; + +static struct attribute_group iscsi_iface_group = { + .attrs = iscsi_iface_attrs, + .is_visible = iscsi_iface_attr_is_visible, +}; + +struct iscsi_iface * +iscsi_create_iface(struct Scsi_Host *shost, struct iscsi_transport *transport, + uint32_t iface_type, uint32_t iface_num, int dd_size) +{ + struct iscsi_iface *iface; + int err; + + iface = kzalloc(sizeof(*iface) + dd_size, GFP_KERNEL); + if (!iface) + return NULL; + + iface->transport = transport; + iface->iface_type = iface_type; + iface->iface_num = iface_num; + iface->dev.release = iscsi_iface_release; + iface->dev.class = &iscsi_iface_class; + /* parent reference released in iscsi_iface_release */ + iface->dev.parent = get_device(&shost->shost_gendev); + if (iface_type == ISCSI_IFACE_TYPE_IPV4) + dev_set_name(&iface->dev, "ipv4-iface-%u-%u", shost->host_no, + iface_num); + else + dev_set_name(&iface->dev, "ipv6-iface-%u-%u", shost->host_no, + iface_num); + + err = device_register(&iface->dev); + if (err) + goto free_iface; + + err = sysfs_create_group(&iface->dev.kobj, &iscsi_iface_group); + if (err) + goto unreg_iface; + + if (dd_size) + iface->dd_data = &iface[1]; + return iface; + +unreg_iface: + device_unregister(&iface->dev); + return NULL; + +free_iface: + put_device(iface->dev.parent); + kfree(iface); + return NULL; +} +EXPORT_SYMBOL_GPL(iscsi_create_iface); + +void iscsi_destroy_iface(struct iscsi_iface *iface) +{ + sysfs_remove_group(&iface->dev.kobj, &iscsi_iface_group); + device_unregister(&iface->dev); +} +EXPORT_SYMBOL_GPL(iscsi_destroy_iface); + +/* + * BSG support + */ +/** + * iscsi_bsg_host_dispatch - Dispatch command to LLD. + * @job: bsg job to be processed + */ +static int iscsi_bsg_host_dispatch(struct bsg_job *job) +{ + struct Scsi_Host *shost = iscsi_job_to_shost(job); + struct iscsi_bsg_request *req = job->request; + struct iscsi_bsg_reply *reply = job->reply; + struct iscsi_internal *i = to_iscsi_internal(shost->transportt); + int cmdlen = sizeof(uint32_t); /* start with length of msgcode */ + int ret; + + /* check if we have the msgcode value at least */ + if (job->request_len < sizeof(uint32_t)) { + ret = -ENOMSG; + goto fail_host_msg; + } + + /* Validate the host command */ + switch (req->msgcode) { + case ISCSI_BSG_HST_VENDOR: + cmdlen += sizeof(struct iscsi_bsg_host_vendor); + if ((shost->hostt->vendor_id == 0L) || + (req->rqst_data.h_vendor.vendor_id != + shost->hostt->vendor_id)) { + ret = -ESRCH; + goto fail_host_msg; + } + break; + default: + ret = -EBADR; + goto fail_host_msg; + } + + /* check if we really have all the request data needed */ + if (job->request_len < cmdlen) { + ret = -ENOMSG; + goto fail_host_msg; + } + + ret = i->iscsi_transport->bsg_request(job); + if (!ret) + return 0; + +fail_host_msg: + /* return the errno failure code as the only status */ + BUG_ON(job->reply_len < sizeof(uint32_t)); + reply->reply_payload_rcv_len = 0; + reply->result = ret; + job->reply_len = sizeof(uint32_t); + bsg_job_done(job, ret, 0); + return 0; +} + +/** + * iscsi_bsg_host_add - Create and add the bsg hooks to receive requests + * @shost: shost for iscsi_host + * @cls_host: iscsi_cls_host adding the structures to + */ +static int +iscsi_bsg_host_add(struct Scsi_Host *shost, struct iscsi_cls_host *ihost) +{ + struct device *dev = &shost->shost_gendev; + struct iscsi_internal *i = to_iscsi_internal(shost->transportt); + struct request_queue *q; + char bsg_name[20]; + int ret; + + if (!i->iscsi_transport->bsg_request) + return -ENOTSUPP; + + snprintf(bsg_name, sizeof(bsg_name), "iscsi_host%d", shost->host_no); + + q = __scsi_alloc_queue(shost, bsg_request_fn); + if (!q) + return -ENOMEM; + + ret = bsg_setup_queue(dev, q, bsg_name, iscsi_bsg_host_dispatch, 0); + if (ret) { + shost_printk(KERN_ERR, shost, "bsg interface failed to " + "initialize - no request queue\n"); + blk_cleanup_queue(q); + return ret; + } + + ihost->bsg_q = q; + return 0; +} + static int iscsi_setup_host(struct transport_container *tc, struct device *dev, struct device *cdev) { @@ -279,13 +559,30 @@ static int iscsi_setup_host(struct transport_container *tc, struct device *dev, memset(ihost, 0, sizeof(*ihost)); atomic_set(&ihost->nr_scans, 0); mutex_init(&ihost->mutex); + + iscsi_bsg_host_add(shost, ihost); + /* ignore any bsg add error - we just can't do sgio */ + + return 0; +} + +static int iscsi_remove_host(struct transport_container *tc, + struct device *dev, struct device *cdev) +{ + struct Scsi_Host *shost = dev_to_shost(dev); + struct iscsi_cls_host *ihost = shost->shost_data; + + if (ihost->bsg_q) { + bsg_remove_queue(ihost->bsg_q); + blk_cleanup_queue(ihost->bsg_q); + } return 0; } static DECLARE_TRANSPORT_CLASS(iscsi_host_class, "iscsi_host", iscsi_setup_host, - NULL, + iscsi_remove_host, NULL); static DECLARE_TRANSPORT_CLASS(iscsi_session_class, @@ -404,6 +701,19 @@ int iscsi_session_chkready(struct iscsi_cls_session *session) } EXPORT_SYMBOL_GPL(iscsi_session_chkready); +int iscsi_is_session_online(struct iscsi_cls_session *session) +{ + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&session->lock, flags); + if (session->state == ISCSI_SESSION_LOGGED_IN) + ret = 1; + spin_unlock_irqrestore(&session->lock, flags); + return ret; +} +EXPORT_SYMBOL_GPL(iscsi_is_session_online); + static void iscsi_session_release(struct device *dev) { struct iscsi_cls_session *session = iscsi_dev_to_session(dev); @@ -1144,6 +1454,40 @@ void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) } EXPORT_SYMBOL_GPL(iscsi_conn_error_event); +void iscsi_conn_login_event(struct iscsi_cls_conn *conn, + enum iscsi_conn_state state) +{ + struct nlmsghdr *nlh; + struct sk_buff *skb; + struct iscsi_uevent *ev; + struct iscsi_internal *priv; + int len = NLMSG_SPACE(sizeof(*ev)); + + priv = iscsi_if_transport_lookup(conn->transport); + if (!priv) + return; + + skb = alloc_skb(len, GFP_ATOMIC); + if (!skb) { + iscsi_cls_conn_printk(KERN_ERR, conn, "gracefully ignored " + "conn login (%d)\n", state); + return; + } + + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); + ev = NLMSG_DATA(nlh); + ev->transport_handle = iscsi_handle(conn->transport); + ev->type = ISCSI_KEVENT_CONN_LOGIN_STATE; + ev->r.conn_login.state = state; + ev->r.conn_login.cid = conn->cid; + ev->r.conn_login.sid = iscsi_conn_get_sid(conn); + iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_ATOMIC); + + iscsi_cls_conn_printk(KERN_INFO, conn, "detected conn login (%d)\n", + state); +} +EXPORT_SYMBOL_GPL(iscsi_conn_login_event); + static int iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi, void *payload, int size) @@ -1558,6 +1902,30 @@ iscsi_set_path(struct iscsi_transport *transport, struct iscsi_uevent *ev) } static int +iscsi_set_iface_params(struct iscsi_transport *transport, + struct iscsi_uevent *ev) +{ + char *data = (char *)ev + sizeof(*ev); + struct Scsi_Host *shost; + int err; + + if (!transport->set_iface_param) + return -ENOSYS; + + shost = scsi_host_lookup(ev->u.set_iface_params.host_no); + if (!shost) { + printk(KERN_ERR "set_iface_params could not find host no %u\n", + ev->u.set_iface_params.host_no); + return -ENODEV; + } + + err = transport->set_iface_param(shost, data, + ev->u.set_iface_params.count); + scsi_host_put(shost); + return err; +} + +static int iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) { int err = 0; @@ -1696,6 +2064,9 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) case ISCSI_UEVENT_PATH_UPDATE: err = iscsi_set_path(transport, ev); break; + case ISCSI_UEVENT_SET_IFACE_PARAMS: + err = iscsi_set_iface_params(transport, ev); + break; default: err = -ENOSYS; break; @@ -1824,6 +2195,70 @@ static ISCSI_CLASS_ATTR(conn, field, S_IRUGO, \ iscsi_conn_ep_attr(address, ISCSI_PARAM_CONN_ADDRESS); iscsi_conn_ep_attr(port, ISCSI_PARAM_CONN_PORT); +static struct attribute *iscsi_conn_attrs[] = { + &dev_attr_conn_max_recv_dlength.attr, + &dev_attr_conn_max_xmit_dlength.attr, + &dev_attr_conn_header_digest.attr, + &dev_attr_conn_data_digest.attr, + &dev_attr_conn_ifmarker.attr, + &dev_attr_conn_ofmarker.attr, + &dev_attr_conn_address.attr, + &dev_attr_conn_port.attr, + &dev_attr_conn_exp_statsn.attr, + &dev_attr_conn_persistent_address.attr, + &dev_attr_conn_persistent_port.attr, + &dev_attr_conn_ping_tmo.attr, + &dev_attr_conn_recv_tmo.attr, + NULL, +}; + +static mode_t iscsi_conn_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *cdev = container_of(kobj, struct device, kobj); + struct iscsi_cls_conn *conn = transport_class_to_conn(cdev); + struct iscsi_transport *t = conn->transport; + int param; + + if (attr == &dev_attr_conn_max_recv_dlength.attr) + param = ISCSI_PARAM_MAX_RECV_DLENGTH; + else if (attr == &dev_attr_conn_max_xmit_dlength.attr) + param = ISCSI_PARAM_MAX_XMIT_DLENGTH; + else if (attr == &dev_attr_conn_header_digest.attr) + param = ISCSI_PARAM_HDRDGST_EN; + else if (attr == &dev_attr_conn_data_digest.attr) + param = ISCSI_PARAM_DATADGST_EN; + else if (attr == &dev_attr_conn_ifmarker.attr) + param = ISCSI_PARAM_IFMARKER_EN; + else if (attr == &dev_attr_conn_ofmarker.attr) + param = ISCSI_PARAM_OFMARKER_EN; + else if (attr == &dev_attr_conn_address.attr) + param = ISCSI_PARAM_CONN_ADDRESS; + else if (attr == &dev_attr_conn_port.attr) + param = ISCSI_PARAM_CONN_PORT; + else if (attr == &dev_attr_conn_exp_statsn.attr) + param = ISCSI_PARAM_EXP_STATSN; + else if (attr == &dev_attr_conn_persistent_address.attr) + param = ISCSI_PARAM_PERSISTENT_ADDRESS; + else if (attr == &dev_attr_conn_persistent_port.attr) + param = ISCSI_PARAM_PERSISTENT_PORT; + else if (attr == &dev_attr_conn_ping_tmo.attr) + param = ISCSI_PARAM_PING_TMO; + else if (attr == &dev_attr_conn_recv_tmo.attr) + param = ISCSI_PARAM_RECV_TMO; + else { + WARN_ONCE(1, "Invalid conn attr"); + return 0; + } + + return t->attr_is_visible(ISCSI_PARAM, param); +} + +static struct attribute_group iscsi_conn_group = { + .attrs = iscsi_conn_attrs, + .is_visible = iscsi_conn_attr_is_visible, +}; + /* * iSCSI session attrs */ @@ -1845,7 +2280,6 @@ show_session_param_##param(struct device *dev, \ iscsi_session_attr_show(param, perm) \ static ISCSI_CLASS_ATTR(sess, field, S_IRUGO, show_session_param_##param, \ NULL); - iscsi_session_attr(targetname, ISCSI_PARAM_TARGET_NAME, 0); iscsi_session_attr(initial_r2t, ISCSI_PARAM_INITIAL_R2T_EN, 0); iscsi_session_attr(max_outstanding_r2t, ISCSI_PARAM_MAX_R2T, 0); @@ -1922,6 +2356,100 @@ static ISCSI_CLASS_ATTR(priv_sess, field, S_IRUGO | S_IWUSR, \ store_priv_session_##field) iscsi_priv_session_rw_attr(recovery_tmo, "%d"); +static struct attribute *iscsi_session_attrs[] = { + &dev_attr_sess_initial_r2t.attr, + &dev_attr_sess_max_outstanding_r2t.attr, + &dev_attr_sess_immediate_data.attr, + &dev_attr_sess_first_burst_len.attr, + &dev_attr_sess_max_burst_len.attr, + &dev_attr_sess_data_pdu_in_order.attr, + &dev_attr_sess_data_seq_in_order.attr, + &dev_attr_sess_erl.attr, + &dev_attr_sess_targetname.attr, + &dev_attr_sess_tpgt.attr, + &dev_attr_sess_password.attr, + &dev_attr_sess_password_in.attr, + &dev_attr_sess_username.attr, + &dev_attr_sess_username_in.attr, + &dev_attr_sess_fast_abort.attr, + &dev_attr_sess_abort_tmo.attr, + &dev_attr_sess_lu_reset_tmo.attr, + &dev_attr_sess_tgt_reset_tmo.attr, + &dev_attr_sess_ifacename.attr, + &dev_attr_sess_initiatorname.attr, + &dev_attr_sess_targetalias.attr, + &dev_attr_priv_sess_recovery_tmo.attr, + &dev_attr_priv_sess_state.attr, + NULL, +}; + +static mode_t iscsi_session_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *cdev = container_of(kobj, struct device, kobj); + struct iscsi_cls_session *session = transport_class_to_session(cdev); + struct iscsi_transport *t = session->transport; + int param; + + if (attr == &dev_attr_sess_initial_r2t.attr) + param = ISCSI_PARAM_INITIAL_R2T_EN; + else if (attr == &dev_attr_sess_max_outstanding_r2t.attr) + param = ISCSI_PARAM_MAX_R2T; + else if (attr == &dev_attr_sess_immediate_data.attr) + param = ISCSI_PARAM_IMM_DATA_EN; + else if (attr == &dev_attr_sess_first_burst_len.attr) + param = ISCSI_PARAM_FIRST_BURST; + else if (attr == &dev_attr_sess_max_burst_len.attr) + param = ISCSI_PARAM_MAX_BURST; + else if (attr == &dev_attr_sess_data_pdu_in_order.attr) + param = ISCSI_PARAM_PDU_INORDER_EN; + else if (attr == &dev_attr_sess_data_seq_in_order.attr) + param = ISCSI_PARAM_DATASEQ_INORDER_EN; + else if (attr == &dev_attr_sess_erl.attr) + param = ISCSI_PARAM_ERL; + else if (attr == &dev_attr_sess_targetname.attr) + param = ISCSI_PARAM_TARGET_NAME; + else if (attr == &dev_attr_sess_tpgt.attr) + param = ISCSI_PARAM_TPGT; + else if (attr == &dev_attr_sess_password.attr) + param = ISCSI_PARAM_USERNAME; + else if (attr == &dev_attr_sess_password_in.attr) + param = ISCSI_PARAM_USERNAME_IN; + else if (attr == &dev_attr_sess_username.attr) + param = ISCSI_PARAM_PASSWORD; + else if (attr == &dev_attr_sess_username_in.attr) + param = ISCSI_PARAM_PASSWORD_IN; + else if (attr == &dev_attr_sess_fast_abort.attr) + param = ISCSI_PARAM_FAST_ABORT; + else if (attr == &dev_attr_sess_abort_tmo.attr) + param = ISCSI_PARAM_ABORT_TMO; + else if (attr == &dev_attr_sess_lu_reset_tmo.attr) + param = ISCSI_PARAM_LU_RESET_TMO; + else if (attr == &dev_attr_sess_tgt_reset_tmo.attr) + param = ISCSI_PARAM_TGT_RESET_TMO; + else if (attr == &dev_attr_sess_ifacename.attr) + param = ISCSI_PARAM_IFACE_NAME; + else if (attr == &dev_attr_sess_initiatorname.attr) + param = ISCSI_PARAM_INITIATOR_NAME; + else if (attr == &dev_attr_sess_targetalias.attr) + param = ISCSI_PARAM_TARGET_ALIAS; + else if (attr == &dev_attr_priv_sess_recovery_tmo.attr) + return S_IRUGO | S_IWUSR; + else if (attr == &dev_attr_priv_sess_state.attr) + return S_IRUGO; + else { + WARN_ONCE(1, "Invalid session attr"); + return 0; + } + + return t->attr_is_visible(ISCSI_PARAM, param); +} + +static struct attribute_group iscsi_session_group = { + .attrs = iscsi_session_attrs, + .is_visible = iscsi_session_attr_is_visible, +}; + /* * iSCSI host attrs */ @@ -1945,41 +2473,42 @@ iscsi_host_attr(hwaddress, ISCSI_HOST_PARAM_HWADDRESS); iscsi_host_attr(ipaddress, ISCSI_HOST_PARAM_IPADDRESS); iscsi_host_attr(initiatorname, ISCSI_HOST_PARAM_INITIATOR_NAME); -#define SETUP_PRIV_SESSION_RD_ATTR(field) \ -do { \ - priv->session_attrs[count] = &dev_attr_priv_sess_##field; \ - count++; \ -} while (0) - -#define SETUP_PRIV_SESSION_RW_ATTR(field) \ -do { \ - priv->session_attrs[count] = &dev_attr_priv_sess_##field; \ - count++; \ -} while (0) - -#define SETUP_SESSION_RD_ATTR(field, param_flag) \ -do { \ - if (tt->param_mask & param_flag) { \ - priv->session_attrs[count] = &dev_attr_sess_##field; \ - count++; \ - } \ -} while (0) +static struct attribute *iscsi_host_attrs[] = { + &dev_attr_host_netdev.attr, + &dev_attr_host_hwaddress.attr, + &dev_attr_host_ipaddress.attr, + &dev_attr_host_initiatorname.attr, + NULL, +}; -#define SETUP_CONN_RD_ATTR(field, param_flag) \ -do { \ - if (tt->param_mask & param_flag) { \ - priv->conn_attrs[count] = &dev_attr_conn_##field; \ - count++; \ - } \ -} while (0) +static mode_t iscsi_host_attr_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *cdev = container_of(kobj, struct device, kobj); + struct Scsi_Host *shost = transport_class_to_shost(cdev); + struct iscsi_internal *priv = to_iscsi_internal(shost->transportt); + int param; + + if (attr == &dev_attr_host_netdev.attr) + param = ISCSI_HOST_PARAM_NETDEV_NAME; + else if (attr == &dev_attr_host_hwaddress.attr) + param = ISCSI_HOST_PARAM_HWADDRESS; + else if (attr == &dev_attr_host_ipaddress.attr) + param = ISCSI_HOST_PARAM_IPADDRESS; + else if (attr == &dev_attr_host_initiatorname.attr) + param = ISCSI_HOST_PARAM_INITIATOR_NAME; + else { + WARN_ONCE(1, "Invalid host attr"); + return 0; + } -#define SETUP_HOST_RD_ATTR(field, param_flag) \ -do { \ - if (tt->host_param_mask & param_flag) { \ - priv->host_attrs[count] = &dev_attr_host_##field; \ - count++; \ - } \ -} while (0) + return priv->iscsi_transport->attr_is_visible(ISCSI_HOST_PARAM, param); +} + +static struct attribute_group iscsi_host_group = { + .attrs = iscsi_host_attrs, + .is_visible = iscsi_host_attr_is_visible, +}; static int iscsi_session_match(struct attribute_container *cont, struct device *dev) @@ -2051,7 +2580,7 @@ iscsi_register_transport(struct iscsi_transport *tt) { struct iscsi_internal *priv; unsigned long flags; - int count = 0, err; + int err; BUG_ON(!tt); @@ -2078,77 +2607,24 @@ iscsi_register_transport(struct iscsi_transport *tt) goto unregister_dev; /* host parameters */ - priv->t.host_attrs.ac.attrs = &priv->host_attrs[0]; priv->t.host_attrs.ac.class = &iscsi_host_class.class; priv->t.host_attrs.ac.match = iscsi_host_match; + priv->t.host_attrs.ac.grp = &iscsi_host_group; priv->t.host_size = sizeof(struct iscsi_cls_host); transport_container_register(&priv->t.host_attrs); - SETUP_HOST_RD_ATTR(netdev, ISCSI_HOST_NETDEV_NAME); - SETUP_HOST_RD_ATTR(ipaddress, ISCSI_HOST_IPADDRESS); - SETUP_HOST_RD_ATTR(hwaddress, ISCSI_HOST_HWADDRESS); - SETUP_HOST_RD_ATTR(initiatorname, ISCSI_HOST_INITIATOR_NAME); - BUG_ON(count > ISCSI_HOST_ATTRS); - priv->host_attrs[count] = NULL; - count = 0; - /* connection parameters */ - priv->conn_cont.ac.attrs = &priv->conn_attrs[0]; priv->conn_cont.ac.class = &iscsi_connection_class.class; priv->conn_cont.ac.match = iscsi_conn_match; + priv->conn_cont.ac.grp = &iscsi_conn_group; transport_container_register(&priv->conn_cont); - SETUP_CONN_RD_ATTR(max_recv_dlength, ISCSI_MAX_RECV_DLENGTH); - SETUP_CONN_RD_ATTR(max_xmit_dlength, ISCSI_MAX_XMIT_DLENGTH); - SETUP_CONN_RD_ATTR(header_digest, ISCSI_HDRDGST_EN); - SETUP_CONN_RD_ATTR(data_digest, ISCSI_DATADGST_EN); - SETUP_CONN_RD_ATTR(ifmarker, ISCSI_IFMARKER_EN); - SETUP_CONN_RD_ATTR(ofmarker, ISCSI_OFMARKER_EN); - SETUP_CONN_RD_ATTR(address, ISCSI_CONN_ADDRESS); - SETUP_CONN_RD_ATTR(port, ISCSI_CONN_PORT); - SETUP_CONN_RD_ATTR(exp_statsn, ISCSI_EXP_STATSN); - SETUP_CONN_RD_ATTR(persistent_address, ISCSI_PERSISTENT_ADDRESS); - SETUP_CONN_RD_ATTR(persistent_port, ISCSI_PERSISTENT_PORT); - SETUP_CONN_RD_ATTR(ping_tmo, ISCSI_PING_TMO); - SETUP_CONN_RD_ATTR(recv_tmo, ISCSI_RECV_TMO); - - BUG_ON(count > ISCSI_CONN_ATTRS); - priv->conn_attrs[count] = NULL; - count = 0; - /* session parameters */ - priv->session_cont.ac.attrs = &priv->session_attrs[0]; priv->session_cont.ac.class = &iscsi_session_class.class; priv->session_cont.ac.match = iscsi_session_match; + priv->session_cont.ac.grp = &iscsi_session_group; transport_container_register(&priv->session_cont); - SETUP_SESSION_RD_ATTR(initial_r2t, ISCSI_INITIAL_R2T_EN); - SETUP_SESSION_RD_ATTR(max_outstanding_r2t, ISCSI_MAX_R2T); - SETUP_SESSION_RD_ATTR(immediate_data, ISCSI_IMM_DATA_EN); - SETUP_SESSION_RD_ATTR(first_burst_len, ISCSI_FIRST_BURST); - SETUP_SESSION_RD_ATTR(max_burst_len, ISCSI_MAX_BURST); - SETUP_SESSION_RD_ATTR(data_pdu_in_order, ISCSI_PDU_INORDER_EN); - SETUP_SESSION_RD_ATTR(data_seq_in_order, ISCSI_DATASEQ_INORDER_EN); - SETUP_SESSION_RD_ATTR(erl, ISCSI_ERL); - SETUP_SESSION_RD_ATTR(targetname, ISCSI_TARGET_NAME); - SETUP_SESSION_RD_ATTR(tpgt, ISCSI_TPGT); - SETUP_SESSION_RD_ATTR(password, ISCSI_USERNAME); - SETUP_SESSION_RD_ATTR(password_in, ISCSI_USERNAME_IN); - SETUP_SESSION_RD_ATTR(username, ISCSI_PASSWORD); - SETUP_SESSION_RD_ATTR(username_in, ISCSI_PASSWORD_IN); - SETUP_SESSION_RD_ATTR(fast_abort, ISCSI_FAST_ABORT); - SETUP_SESSION_RD_ATTR(abort_tmo, ISCSI_ABORT_TMO); - SETUP_SESSION_RD_ATTR(lu_reset_tmo,ISCSI_LU_RESET_TMO); - SETUP_SESSION_RD_ATTR(tgt_reset_tmo,ISCSI_TGT_RESET_TMO); - SETUP_SESSION_RD_ATTR(ifacename, ISCSI_IFACE_NAME); - SETUP_SESSION_RD_ATTR(initiatorname, ISCSI_INITIATOR_NAME); - SETUP_SESSION_RD_ATTR(targetalias, ISCSI_TARGET_ALIAS); - SETUP_PRIV_SESSION_RW_ATTR(recovery_tmo); - SETUP_PRIV_SESSION_RD_ATTR(state); - - BUG_ON(count > ISCSI_SESSION_ATTRS); - priv->session_attrs[count] = NULL; - spin_lock_irqsave(&iscsi_transport_lock, flags); list_add(&priv->list, &iscsi_transports); spin_unlock_irqrestore(&iscsi_transport_lock, flags); @@ -2210,10 +2686,14 @@ static __init int iscsi_transport_init(void) if (err) goto unregister_transport_class; - err = transport_class_register(&iscsi_host_class); + err = class_register(&iscsi_iface_class); if (err) goto unregister_endpoint_class; + err = transport_class_register(&iscsi_host_class); + if (err) + goto unregister_iface_class; + err = transport_class_register(&iscsi_connection_class); if (err) goto unregister_host_class; @@ -2243,6 +2723,8 @@ unregister_conn_class: transport_class_unregister(&iscsi_connection_class); unregister_host_class: transport_class_unregister(&iscsi_host_class); +unregister_iface_class: + class_unregister(&iscsi_iface_class); unregister_endpoint_class: class_unregister(&iscsi_endpoint_class); unregister_transport_class: @@ -2258,6 +2740,7 @@ static void __exit iscsi_transport_exit(void) transport_class_unregister(&iscsi_session_class); transport_class_unregister(&iscsi_host_class); class_unregister(&iscsi_endpoint_class); + class_unregister(&iscsi_iface_class); class_unregister(&iscsi_transport_class); } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 953773c..a7942e5 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1066,12 +1066,13 @@ static int sd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { struct gendisk *disk = bdev->bd_disk; - struct scsi_device *sdp = scsi_disk(disk)->device; + struct scsi_disk *sdkp = scsi_disk(disk); + struct scsi_device *sdp = sdkp->device; void __user *p = (void __user *)arg; int error; - SCSI_LOG_IOCTL(1, printk("sd_ioctl: disk=%s, cmd=0x%x\n", - disk->disk_name, cmd)); + SCSI_LOG_IOCTL(1, sd_printk(KERN_INFO, sdkp, "sd_ioctl: disk=%s, " + "cmd=0x%x\n", disk->disk_name, cmd)); /* * If we are in the middle of error recovery, don't let anyone diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 02fa469..6957350 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -21,6 +21,8 @@ #define dev_to_part(device) container_of((device), struct hd_struct, __dev) #define disk_to_dev(disk) (&(disk)->part0.__dev) #define part_to_dev(part) (&((part)->__dev)) +#define alias_name(disk) ((disk)->alias ? (disk)->alias : \ + (disk)->disk_name) extern struct device_type part_type; extern struct kobject *block_depr; @@ -58,6 +60,7 @@ enum { #define DISK_MAX_PARTS 256 #define DISK_NAME_LEN 32 +#define ALIAS_LEN 256 #include #include @@ -162,6 +165,7 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[DISK_NAME_LEN]; /* name of major driver */ + char *alias; /* alias name of disk */ char *(*devnode)(struct gendisk *gd, mode_t *mode); unsigned int events; /* supported events */ diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index ddb0456..706a1bb 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -59,6 +59,7 @@ enum iscsi_uevent_e { ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19, ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20, + ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21, /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, @@ -70,6 +71,7 @@ enum iscsi_uevent_e { ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7, ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8, + ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9, }; enum iscsi_tgt_dscvr { @@ -172,6 +174,10 @@ struct iscsi_uevent { struct msg_set_path { uint32_t host_no; } set_path; + struct msg_set_iface_params { + uint32_t host_no; + uint32_t count; + } set_iface_params; } u; union { /* messages k -> u */ @@ -193,6 +199,11 @@ struct iscsi_uevent { uint32_t cid; uint64_t recv_handle; } recv_req; + struct msg_conn_login { + uint32_t sid; + uint32_t cid; + uint32_t state; /* enum iscsi_conn_state */ + } conn_login; struct msg_conn_error { uint32_t sid; uint32_t cid; @@ -214,6 +225,21 @@ struct iscsi_uevent { } r; } __attribute__ ((aligned (sizeof(uint64_t)))); +enum iscsi_param_type { + ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */ + ISCSI_HOST_PARAM, /* iscsi_host_param */ + ISCSI_NET_PARAM, /* iscsi_net_param */ +}; + +struct iscsi_iface_param_info { + uint32_t iface_num; /* iface number, 0 - n */ + uint32_t len; /* Actual length of the param */ + uint16_t param; /* iscsi param value */ + uint8_t iface_type; /* IPv4 or IPv6 */ + uint8_t param_type; /* iscsi_param_type */ + uint8_t value[0]; /* length sized value follows */ +} __packed; + /* * To keep the struct iscsi_uevent size the same for userspace code * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and @@ -237,6 +263,70 @@ struct iscsi_path { uint16_t pmtu; } __attribute__ ((aligned (sizeof(uint64_t)))); +/* iscsi iface enabled/disabled setting */ +#define ISCSI_IFACE_DISABLE 0x01 +#define ISCSI_IFACE_ENABLE 0x02 + +/* ipv4 bootproto */ +#define ISCSI_BOOTPROTO_STATIC 0x01 +#define ISCSI_BOOTPROTO_DHCP 0x02 + +/* ipv6 addr autoconfig type */ +#define ISCSI_IPV6_AUTOCFG_DISABLE 0x01 +#define ISCSI_IPV6_AUTOCFG_ND_ENABLE 0x02 +#define ISCSI_IPV6_AUTOCFG_DHCPV6_ENABLE 0x03 + +/* ipv6 link local addr type */ +#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE 0x01 +#define ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE 0x02 + +/* ipv6 router addr type */ +#define ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE 0x01 +#define ISCSI_IPV6_ROUTER_AUTOCFG_DISABLE 0x02 + +#define ISCSI_IFACE_TYPE_IPV4 0x01 +#define ISCSI_IFACE_TYPE_IPV6 0x02 + +#define ISCSI_MAX_VLAN_ID 4095 +#define ISCSI_MAX_VLAN_PRIORITY 7 + +/* iscsi vlan enable/disabled setting */ +#define ISCSI_VLAN_DISABLE 0x01 +#define ISCSI_VLAN_ENABLE 0x02 + +/* iSCSI network params */ +enum iscsi_net_param { + ISCSI_NET_PARAM_IPV4_ADDR = 1, + ISCSI_NET_PARAM_IPV4_SUBNET = 2, + ISCSI_NET_PARAM_IPV4_GW = 3, + ISCSI_NET_PARAM_IPV4_BOOTPROTO = 4, + ISCSI_NET_PARAM_MAC = 5, + ISCSI_NET_PARAM_IPV6_LINKLOCAL = 6, + ISCSI_NET_PARAM_IPV6_ADDR = 7, + ISCSI_NET_PARAM_IPV6_ROUTER = 8, + ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG = 9, + ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG = 10, + ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG = 11, + ISCSI_NET_PARAM_IFACE_ENABLE = 12, + ISCSI_NET_PARAM_VLAN_ID = 13, + ISCSI_NET_PARAM_VLAN_PRIORITY = 14, + ISCSI_NET_PARAM_VLAN_ENABLED = 15, + ISCSI_NET_PARAM_IFACE_TYPE = 16, + ISCSI_NET_PARAM_IFACE_NAME = 17, + ISCSI_NET_PARAM_MTU = 18, + ISCSI_NET_PARAM_PORT = 19, +}; + +enum iscsi_conn_state { + ISCSI_CONN_STATE_FREE, + ISCSI_CONN_STATE_XPT_WAIT, + ISCSI_CONN_STATE_IN_LOGIN, + ISCSI_CONN_STATE_LOGGED_IN, + ISCSI_CONN_STATE_IN_LOGOUT, + ISCSI_CONN_STATE_LOGOUT_REQUESTED, + ISCSI_CONN_STATE_CLEANUP_WAIT, +}; + /* * Common error codes */ @@ -319,44 +409,6 @@ enum iscsi_param { ISCSI_PARAM_MAX, }; -#define ISCSI_MAX_RECV_DLENGTH (1ULL << ISCSI_PARAM_MAX_RECV_DLENGTH) -#define ISCSI_MAX_XMIT_DLENGTH (1ULL << ISCSI_PARAM_MAX_XMIT_DLENGTH) -#define ISCSI_HDRDGST_EN (1ULL << ISCSI_PARAM_HDRDGST_EN) -#define ISCSI_DATADGST_EN (1ULL << ISCSI_PARAM_DATADGST_EN) -#define ISCSI_INITIAL_R2T_EN (1ULL << ISCSI_PARAM_INITIAL_R2T_EN) -#define ISCSI_MAX_R2T (1ULL << ISCSI_PARAM_MAX_R2T) -#define ISCSI_IMM_DATA_EN (1ULL << ISCSI_PARAM_IMM_DATA_EN) -#define ISCSI_FIRST_BURST (1ULL << ISCSI_PARAM_FIRST_BURST) -#define ISCSI_MAX_BURST (1ULL << ISCSI_PARAM_MAX_BURST) -#define ISCSI_PDU_INORDER_EN (1ULL << ISCSI_PARAM_PDU_INORDER_EN) -#define ISCSI_DATASEQ_INORDER_EN (1ULL << ISCSI_PARAM_DATASEQ_INORDER_EN) -#define ISCSI_ERL (1ULL << ISCSI_PARAM_ERL) -#define ISCSI_IFMARKER_EN (1ULL << ISCSI_PARAM_IFMARKER_EN) -#define ISCSI_OFMARKER_EN (1ULL << ISCSI_PARAM_OFMARKER_EN) -#define ISCSI_EXP_STATSN (1ULL << ISCSI_PARAM_EXP_STATSN) -#define ISCSI_TARGET_NAME (1ULL << ISCSI_PARAM_TARGET_NAME) -#define ISCSI_TPGT (1ULL << ISCSI_PARAM_TPGT) -#define ISCSI_PERSISTENT_ADDRESS (1ULL << ISCSI_PARAM_PERSISTENT_ADDRESS) -#define ISCSI_PERSISTENT_PORT (1ULL << ISCSI_PARAM_PERSISTENT_PORT) -#define ISCSI_SESS_RECOVERY_TMO (1ULL << ISCSI_PARAM_SESS_RECOVERY_TMO) -#define ISCSI_CONN_PORT (1ULL << ISCSI_PARAM_CONN_PORT) -#define ISCSI_CONN_ADDRESS (1ULL << ISCSI_PARAM_CONN_ADDRESS) -#define ISCSI_USERNAME (1ULL << ISCSI_PARAM_USERNAME) -#define ISCSI_USERNAME_IN (1ULL << ISCSI_PARAM_USERNAME_IN) -#define ISCSI_PASSWORD (1ULL << ISCSI_PARAM_PASSWORD) -#define ISCSI_PASSWORD_IN (1ULL << ISCSI_PARAM_PASSWORD_IN) -#define ISCSI_FAST_ABORT (1ULL << ISCSI_PARAM_FAST_ABORT) -#define ISCSI_ABORT_TMO (1ULL << ISCSI_PARAM_ABORT_TMO) -#define ISCSI_LU_RESET_TMO (1ULL << ISCSI_PARAM_LU_RESET_TMO) -#define ISCSI_HOST_RESET_TMO (1ULL << ISCSI_PARAM_HOST_RESET_TMO) -#define ISCSI_PING_TMO (1ULL << ISCSI_PARAM_PING_TMO) -#define ISCSI_RECV_TMO (1ULL << ISCSI_PARAM_RECV_TMO) -#define ISCSI_IFACE_NAME (1ULL << ISCSI_PARAM_IFACE_NAME) -#define ISCSI_ISID (1ULL << ISCSI_PARAM_ISID) -#define ISCSI_INITIATOR_NAME (1ULL << ISCSI_PARAM_INITIATOR_NAME) -#define ISCSI_TGT_RESET_TMO (1ULL << ISCSI_PARAM_TGT_RESET_TMO) -#define ISCSI_TARGET_ALIAS (1ULL << ISCSI_PARAM_TARGET_ALIAS) - /* iSCSI HBA params */ enum iscsi_host_param { ISCSI_HOST_PARAM_HWADDRESS, @@ -366,11 +418,6 @@ enum iscsi_host_param { ISCSI_HOST_PARAM_MAX, }; -#define ISCSI_HOST_HWADDRESS (1ULL << ISCSI_HOST_PARAM_HWADDRESS) -#define ISCSI_HOST_INITIATOR_NAME (1ULL << ISCSI_HOST_PARAM_INITIATOR_NAME) -#define ISCSI_HOST_NETDEV_NAME (1ULL << ISCSI_HOST_PARAM_NETDEV_NAME) -#define ISCSI_HOST_IPADDRESS (1ULL << ISCSI_HOST_PARAM_IPADDRESS) - #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle) #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr) @@ -392,6 +439,7 @@ enum iscsi_host_param { #define CAP_DIGEST_OFFLOAD 0x1000 /* offload hdr and data digests */ #define CAP_PADDING_OFFLOAD 0x2000 /* offload padding insertion, removal, and verification */ +#define CAP_LOGIN_OFFLOAD 0x4000 /* offload session login */ /* * These flags describes reason of stop_conn() call diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h index 8c1638b..0b2f843 100644 --- a/include/scsi/libfcoe.h +++ b/include/scsi/libfcoe.h @@ -229,6 +229,9 @@ int fcoe_libfc_config(struct fc_lport *, struct fcoe_ctlr *, const struct libfc_function_template *, int init_fcp); u32 fcoe_fc_crc(struct fc_frame *fp); int fcoe_start_io(struct sk_buff *skb); +int fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type); +void fcoe_wwn_to_str(u64 wwn, char *buf, int len); +int fcoe_validate_vport_create(struct fc_vport *vport); /** * is_fip_mode() - returns true if FIP mode selected. diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index ee86606..2517254 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -555,36 +555,14 @@ struct sas_task { struct work_struct abort_work; }; -extern struct kmem_cache *sas_task_cache; - #define SAS_TASK_STATE_PENDING 1 #define SAS_TASK_STATE_DONE 2 #define SAS_TASK_STATE_ABORTED 4 #define SAS_TASK_NEED_DEV_RESET 8 #define SAS_TASK_AT_INITIATOR 16 -static inline struct sas_task *sas_alloc_task(gfp_t flags) -{ - struct sas_task *task = kmem_cache_zalloc(sas_task_cache, flags); - - if (task) { - INIT_LIST_HEAD(&task->list); - spin_lock_init(&task->task_state_lock); - task->task_state_flags = SAS_TASK_STATE_PENDING; - init_timer(&task->timer); - init_completion(&task->completion); - } - - return task; -} - -static inline void sas_free_task(struct sas_task *task) -{ - if (task) { - BUG_ON(!list_empty(&task->list)); - kmem_cache_free(sas_task_cache, task); - } -} +extern struct sas_task *sas_alloc_task(gfp_t flags); +extern void sas_free_task(struct sas_task *task); struct sas_domain_function_template { /* The class calls these to notify the LLDD of an event. */ diff --git a/include/scsi/scsi_bsg_iscsi.h b/include/scsi/scsi_bsg_iscsi.h new file mode 100644 index 0000000..fd5689d --- /dev/null +++ b/include/scsi/scsi_bsg_iscsi.h @@ -0,0 +1,110 @@ +/* + * iSCSI Transport BSG Interface + * + * Copyright (C) 2009 James Smart, Emulex Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef SCSI_BSG_ISCSI_H +#define SCSI_BSG_ISCSI_H + +/* + * This file intended to be included by both kernel and user space + */ + +#include + +/* + * iSCSI Transport SGIO v4 BSG Message Support + */ + +/* Default BSG request timeout (in seconds) */ +#define ISCSI_DEFAULT_BSG_TIMEOUT (10 * HZ) + + +/* + * Request Message Codes supported by the iSCSI Transport + */ + +/* define the class masks for the message codes */ +#define ISCSI_BSG_CLS_MASK 0xF0000000 /* find object class */ +#define ISCSI_BSG_HST_MASK 0x80000000 /* iscsi host class */ + +/* iscsi host Message Codes */ +#define ISCSI_BSG_HST_VENDOR (ISCSI_BSG_HST_MASK | 0x000000FF) + + +/* + * iSCSI Host Messages + */ + +/* ISCSI_BSG_HST_VENDOR : */ + +/* Request: + * Note: When specifying vendor_id, be sure to read the Vendor Type and ID + * formatting requirements specified in scsi_netlink.h + */ +struct iscsi_bsg_host_vendor { + /* + * Identifies the vendor that the message is formatted for. This + * should be the recipient of the message. + */ + uint64_t vendor_id; + + /* start of vendor command area */ + uint32_t vendor_cmd[0]; +}; + +/* Response: + */ +struct iscsi_bsg_host_vendor_reply { + /* start of vendor response area */ + uint32_t vendor_rsp[0]; +}; + + +/* request (CDB) structure of the sg_io_v4 */ +struct iscsi_bsg_request { + uint32_t msgcode; + union { + struct iscsi_bsg_host_vendor h_vendor; + } rqst_data; +} __attribute__((packed)); + + +/* response (request sense data) structure of the sg_io_v4 */ +struct iscsi_bsg_reply { + /* + * The completion result. Result exists in two forms: + * if negative, it is an -Exxx system errno value. There will + * be no further reply information supplied. + * else, it's the 4-byte scsi error result, with driver, host, + * msg and status fields. The per-msgcode reply structure + * will contain valid data. + */ + uint32_t result; + + /* If there was reply_payload, how much was recevied ? */ + uint32_t reply_payload_rcv_len; + + union { + struct iscsi_bsg_host_vendor_reply vendor_reply; + } reply_data; +}; + + +#endif /* SCSI_BSG_ISCSI_H */ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index d371c3c..5591ed5 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -197,6 +197,7 @@ struct scsi_device_handler { int (*activate)(struct scsi_device *, activate_complete, void *); int (*prep_fn)(struct scsi_device *, struct request *); int (*set_params)(struct scsi_device *, const char *); + bool (*match)(struct scsi_device *); }; struct scsi_dh_data { @@ -471,6 +472,11 @@ static inline int scsi_device_protection(struct scsi_device *sdev) return sdev->scsi_level > SCSI_2 && sdev->inquiry[5] & (1<<0); } +static inline int scsi_device_tpgs(struct scsi_device *sdev) +{ + return sdev->inquiry ? (sdev->inquiry[5] >> 4) & 0x3 : 0; +} + #define MODULE_ALIAS_SCSI_DEVICE(type) \ MODULE_ALIAS("scsi:t-" __stringify(type) "*") #define SCSI_DEVICE_MODALIAS_FMT "scsi:t-0x%02x" diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index f1f2644..50266c9 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -355,6 +355,19 @@ struct scsi_host_template { */ enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *); + /* This is an optional routine that allows transport to initiate + * LLD adapter or firmware reset using sysfs attribute. + * + * Return values: 0 on success, -ve value on failure. + * + * Status: OPTIONAL + */ + + int (*host_reset)(struct Scsi_Host *shost, int reset_type); +#define SCSI_ADAPTER_RESET 1 +#define SCSI_FIRMWARE_RESET 2 + + /* * Name of proc directory */ @@ -791,7 +804,8 @@ static inline struct device *scsi_get_device(struct Scsi_Host *shost) **/ static inline int scsi_host_scan_allowed(struct Scsi_Host *shost) { - return shost->shost_state == SHOST_RUNNING; + return shost->shost_state == SHOST_RUNNING || + shost->shost_state == SHOST_RECOVERY; } extern void scsi_unblock_requests(struct Scsi_Host *); diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index bf8f529..3389cd5 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -37,6 +37,8 @@ struct iscsi_cls_conn; struct iscsi_conn; struct iscsi_task; struct sockaddr; +struct iscsi_iface; +struct bsg_job; /** * struct iscsi_transport - iSCSI Transport template @@ -84,9 +86,7 @@ struct iscsi_transport { struct module *owner; char *name; unsigned int caps; - /* LLD sets this to indicate what values it can export to sysfs */ - uint64_t param_mask; - uint64_t host_param_mask; + struct iscsi_cls_session *(*create_session) (struct iscsi_endpoint *ep, uint16_t cmds_max, uint16_t qdepth, uint32_t sn); @@ -137,6 +137,12 @@ struct iscsi_transport { int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type, uint32_t enable, struct sockaddr *dst_addr); int (*set_path) (struct Scsi_Host *shost, struct iscsi_path *params); + int (*set_iface_param) (struct Scsi_Host *shost, char *data, int count); + int (*get_iface_param) (struct iscsi_iface *iface, + enum iscsi_param_type param_type, + int param, char *buf); + mode_t (*attr_is_visible)(int param_type, int param); + int (*bsg_request)(struct bsg_job *job); }; /* @@ -150,6 +156,8 @@ extern int iscsi_unregister_transport(struct iscsi_transport *tt); */ extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error); +extern void iscsi_conn_login_event(struct iscsi_cls_conn *conn, + enum iscsi_conn_state state); extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); @@ -171,6 +179,9 @@ struct iscsi_cls_conn { #define iscsi_dev_to_conn(_dev) \ container_of(_dev, struct iscsi_cls_conn, dev) +#define transport_class_to_conn(_cdev) \ + iscsi_dev_to_conn(_cdev->parent) + #define iscsi_conn_to_session(_conn) \ iscsi_dev_to_session(_conn->dev.parent) @@ -207,6 +218,9 @@ struct iscsi_cls_session { #define iscsi_dev_to_session(_dev) \ container_of(_dev, struct iscsi_cls_session, dev) +#define transport_class_to_session(_cdev) \ + iscsi_dev_to_session(_cdev->parent) + #define iscsi_session_to_shost(_session) \ dev_to_shost(_session->dev.parent) @@ -216,8 +230,12 @@ struct iscsi_cls_session { struct iscsi_cls_host { atomic_t nr_scans; struct mutex mutex; + struct request_queue *bsg_q; }; +#define iscsi_job_to_shost(_job) \ + dev_to_shost(_job->dev) + extern void iscsi_host_for_each_session(struct Scsi_Host *shost, void (*fn)(struct iscsi_cls_session *)); @@ -228,6 +246,20 @@ struct iscsi_endpoint { struct iscsi_cls_conn *conn; }; +struct iscsi_iface { + struct device dev; + struct iscsi_transport *transport; + uint32_t iface_type; /* IPv4 or IPv6 */ + uint32_t iface_num; /* iface number, 0 - n */ + void *dd_data; /* LLD private data */ +}; + +#define iscsi_dev_to_iface(_dev) \ + container_of(_dev, struct iscsi_iface, dev) + +#define iscsi_iface_to_shost(_iface) \ + dev_to_shost(_iface->dev.parent) + /* * session and connection functions that can be used by HW iSCSI LLDs */ @@ -238,6 +270,7 @@ struct iscsi_endpoint { dev_printk(prefix, &(_cls_conn)->dev, fmt, ##a) extern int iscsi_session_chkready(struct iscsi_cls_session *session); +extern int iscsi_is_session_online(struct iscsi_cls_session *session); extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport, int dd_size); extern int iscsi_add_session(struct iscsi_cls_session *session, @@ -261,5 +294,11 @@ extern struct iscsi_endpoint *iscsi_create_endpoint(int dd_size); extern void iscsi_destroy_endpoint(struct iscsi_endpoint *ep); extern struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle); extern int iscsi_block_scsi_eh(struct scsi_cmnd *cmd); +extern struct iscsi_iface *iscsi_create_iface(struct Scsi_Host *shost, + struct iscsi_transport *t, + uint32_t iface_type, + uint32_t iface_num, int dd_size); +extern void iscsi_destroy_iface(struct iscsi_iface *iface); +extern struct iscsi_iface *iscsi_lookup_iface(int handle); #endif