diff options
Diffstat (limited to 'include/uapi/linux/pci_regs.h')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index ebfadc56d1b4..864e324da80d 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -292,12 +292,12 @@ /* Message Signalled Interrupts registers */ -#define PCI_MSI_FLAGS 2 /* Various flags */ -#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */ -#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */ -#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */ -#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */ -#define PCI_MSI_FLAGS_MASKBIT 0x100 /* 64-bit mask bits allowed */ +#define PCI_MSI_FLAGS 2 /* Message Control */ +#define PCI_MSI_FLAGS_ENABLE 0x0001 /* MSI feature enabled */ +#define PCI_MSI_FLAGS_QMASK 0x000e /* Maximum queue size available */ +#define PCI_MSI_FLAGS_QSIZE 0x0070 /* Message queue size configured */ +#define PCI_MSI_FLAGS_64BIT 0x0080 /* 64-bit addresses allowed */ +#define PCI_MSI_FLAGS_MASKBIT 0x0100 /* Per-vector masking capable */ #define PCI_MSI_RFU 3 /* Rest of capability flags */ #define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */ #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ @@ -309,13 +309,17 @@ #define PCI_MSI_PENDING_64 20 /* Pending intrs for 64-bit devices */ /* MSI-X registers */ -#define PCI_MSIX_FLAGS 2 -#define PCI_MSIX_FLAGS_QSIZE 0x7FF -#define PCI_MSIX_FLAGS_ENABLE (1 << 15) -#define PCI_MSIX_FLAGS_MASKALL (1 << 14) -#define PCI_MSIX_TABLE 4 -#define PCI_MSIX_PBA 8 -#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) +#define PCI_MSIX_FLAGS 2 /* Message Control */ +#define PCI_MSIX_FLAGS_QSIZE 0x07FF /* Table size */ +#define PCI_MSIX_FLAGS_MASKALL 0x4000 /* Mask all vectors for this function */ +#define PCI_MSIX_FLAGS_ENABLE 0x8000 /* MSI-X enable */ +#define PCI_MSIX_TABLE 4 /* Table offset */ +#define PCI_MSIX_TABLE_BIR 0x00000007 /* BAR index */ +#define PCI_MSIX_TABLE_OFFSET 0xfffffff8 /* Offset into specified BAR */ +#define PCI_MSIX_PBA 8 /* Pending Bit Array offset */ +#define PCI_MSIX_PBA_BIR 0x00000007 /* BAR index */ +#define PCI_MSIX_PBA_OFFSET 0xfffffff8 /* Offset into specified BAR */ +#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) /* deprecated */ #define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ /* MSI-X entry's format */ |