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| author | Michael Ellerman <michael@ellerman.id.au> | 2006-11-22 08:26:20 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-12-20 19:54:43 +0100 |
| commit | d010b51c7ea9c28e30a476032615941aa77b1498 (patch) | |
| tree | cffd4a684493aa96dcd2661c45b973e2c8b716c1 | |
| parent | PCI: Use pci_find_ht_capability() in drivers/pci/htirq.c (diff) | |
| download | linux-d010b51c7ea9c28e30a476032615941aa77b1498.tar.xz linux-d010b51c7ea9c28e30a476032615941aa77b1498.zip | |
PCI: Add #defines for Hypertransport MSI fields
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 <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | include/linux/pci_regs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index a54b48f7cee2..7a6d34ee5ab1 100644 --- a/include/linux/pci_regs.h +++ b/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 */ |