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 @@ | |||
292 | 292 | ||
293 | /* Message Signalled Interrupts registers */ | 293 | /* Message Signalled Interrupts registers */ |
294 | 294 | ||
295 | #define PCI_MSI_FLAGS 2 /* Various flags */ | 295 | #define PCI_MSI_FLAGS 2 /* Message Control */ |
296 | #define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */ | 296 | #define PCI_MSI_FLAGS_ENABLE 0x0001 /* MSI feature enabled */ |
297 | #define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */ | 297 | #define PCI_MSI_FLAGS_QMASK 0x000e /* Maximum queue size available */ |
298 | #define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */ | 298 | #define PCI_MSI_FLAGS_QSIZE 0x0070 /* Message queue size configured */ |
299 | #define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */ | 299 | #define PCI_MSI_FLAGS_64BIT 0x0080 /* 64-bit addresses allowed */ |
300 | #define PCI_MSI_FLAGS_MASKBIT 0x100 /* 64-bit mask bits allowed */ | 300 | #define PCI_MSI_FLAGS_MASKBIT 0x0100 /* Per-vector masking capable */ |
301 | #define PCI_MSI_RFU 3 /* Rest of capability flags */ | 301 | #define PCI_MSI_RFU 3 /* Rest of capability flags */ |
302 | #define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */ | 302 | #define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */ |
303 | #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ | 303 | #define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */ |
@@ -309,13 +309,17 @@ | |||
309 | #define PCI_MSI_PENDING_64 20 /* Pending intrs for 64-bit devices */ | 309 | #define PCI_MSI_PENDING_64 20 /* Pending intrs for 64-bit devices */ |
310 | 310 | ||
311 | /* MSI-X registers */ | 311 | /* MSI-X registers */ |
312 | #define PCI_MSIX_FLAGS 2 | 312 | #define PCI_MSIX_FLAGS 2 /* Message Control */ |
313 | #define PCI_MSIX_FLAGS_QSIZE 0x7FF | 313 | #define PCI_MSIX_FLAGS_QSIZE 0x07FF /* Table size */ |
314 | #define PCI_MSIX_FLAGS_ENABLE (1 << 15) | 314 | #define PCI_MSIX_FLAGS_MASKALL 0x4000 /* Mask all vectors for this function */ |
315 | #define PCI_MSIX_FLAGS_MASKALL (1 << 14) | 315 | #define PCI_MSIX_FLAGS_ENABLE 0x8000 /* MSI-X enable */ |
316 | #define PCI_MSIX_TABLE 4 | 316 | #define PCI_MSIX_TABLE 4 /* Table offset */ |
317 | #define PCI_MSIX_PBA 8 | 317 | #define PCI_MSIX_TABLE_BIR 0x00000007 /* BAR index */ |
318 | #define PCI_MSIX_FLAGS_BIRMASK (7 << 0) | 318 | #define PCI_MSIX_TABLE_OFFSET 0xfffffff8 /* Offset into specified BAR */ |
319 | #define PCI_MSIX_PBA 8 /* Pending Bit Array offset */ | ||
320 | #define PCI_MSIX_PBA_BIR 0x00000007 /* BAR index */ | ||
321 | #define PCI_MSIX_PBA_OFFSET 0xfffffff8 /* Offset into specified BAR */ | ||
322 | #define PCI_MSIX_FLAGS_BIRMASK (7 << 0) /* deprecated */ | ||
319 | #define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ | 323 | #define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ |
320 | 324 | ||
321 | /* MSI-X entry's format */ | 325 | /* MSI-X entry's format */ |