diff options
Diffstat (limited to 'include/linux/pci_regs.h')
| -rw-r--r-- | include/linux/pci_regs.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index c321316f1bc..7a6d34ee5ab 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -292,6 +292,12 @@ #define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */ #define PCI_MSI_MASK_BIT 16 /* Mask bits register */ +/* MSI-X registers (these are at offset PCI_MSI_FLAGS) */ +#define PCI_MSIX_FLAGS_QSIZE 0x7FF +#define PCI_MSIX_FLAGS_ENABLE (1 << 15) +#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) +#define PCI_MSIX_FLAGS_BITMASK (1 << 0) + /* CompactPCI Hotswap Register */ #define PCI_CHSWP_CSR 2 /* Control and Status Register */ @@ -469,15 +475,32 @@ #define PCI_PWR_CAP 12 /* Capability */ #define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */ -/* Hypertransport sub capability types */ +/* + * Hypertransport sub capability types + * + * Unfortunately there are both 3 bit and 5 bit capability types defined + * in the HT spec, catering for that is a little messy. You probably don't + * want to use these directly, just use pci_find_ht_capability() and it + * will do the right thing for you. + */ +#define HT_3BIT_CAP_MASK 0xE0 #define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */ #define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link configuration */ + +#define HT_5BIT_CAP_MASK 0xF8 #define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */ #define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */ #define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */ #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 */ |