From owner-linux-pci@atrey.karlin.mff.cuni.cz Tue Nov 21 23:26:46 2006 From: Michael Ellerman To: linux-pci@atrey.karlin.mff.cuni.cz Cc: Greg Kroah-Hartman , Benjamin Herrenschmidt , Eric W.Biederman , Segher Boessenkool , , , Date: Wed, 22 Nov 2006 18:26:20 +1100 Subject: PCI: Add #defines for Hypertransport MSI fields Message-Id: <20061122072624.B86A167C3A@ozlabs.org> Add a few #defines for grabbing and working with the address fields in a HT_CAPTYPE_MSI_MAPPING capability. All from the HT spec v3.00. Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- include/linux/pci_regs.h | 7 +++++++ 1 file changed, 7 insertions(+) --- gregkh-2.6.orig/include/linux/pci_regs.h +++ gregkh-2.6/include/linux/pci_regs.h @@ -494,6 +494,13 @@ #define HT_CAPTYPE_UNITID_CLUMP 0x90 /* Unit ID clumping */ #define HT_CAPTYPE_EXTCONF 0x98 /* Extended Configuration Space Access */ #define HT_CAPTYPE_MSI_MAPPING 0xA8 /* MSI Mapping Capability */ +#define HT_MSI_FLAGS 0x02 /* Offset to flags */ +#define HT_MSI_FLAGS_ENABLE 0x1 /* Mapping enable */ +#define HT_MSI_FLAGS_FIXED 0x2 /* Fixed mapping only */ +#define HT_MSI_FIXED_ADDR 0x00000000FEE00000ULL /* Fixed addr */ +#define HT_MSI_ADDR_LO 0x04 /* Offset to low addr bits */ +#define HT_MSI_ADDR_LO_MASK 0xFFF00000 /* Low address bit mask */ +#define HT_MSI_ADDR_HI 0x08 /* Offset to high addr bits */ #define HT_CAPTYPE_DIRECT_ROUTE 0xB0 /* Direct routing configuration */ #define HT_CAPTYPE_VCSET 0xB8 /* Virtual Channel configuration */ #define HT_CAPTYPE_ERROR_RETRY 0xC0 /* Retry on error configuration */