diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2018-05-16 14:56:22 +0200 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2018-07-19 13:52:28 +0000 |
| commit | 4e2f95b789d8f3b505f52c42b634401dd5f718a2 (patch) | |
| tree | 930ee662200f158b5c442c4481df76b276c99a97 /src/include/device/pci_def.h | |
| parent | fe98e90671b1ff06e924ae09062814050bdb3996 (diff) | |
device/pci: Add MSI-X helper functions
Basic PCI MSI-X table helper functions.
Imported from GNU/Linux kernel PCI subsystem.
To be used on Cavium to configure MSI-X tables.
Change-Id: I94413712e7986efd17e6b11ba59f6eb390384c8c
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/26329
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/include/device/pci_def.h')
| -rw-r--r-- | src/include/device/pci_def.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h index 60d913204a..f9ce1a6382 100644 --- a/src/include/device/pci_def.h +++ b/src/include/device/pci_def.h @@ -292,6 +292,18 @@ #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 */ +#define PCI_MSIX_FLAGS 2 +#define PCI_MSIX_FLAGS_QSIZE 0x7FF /* 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_PBA 8 /* Pending Bit Array offset */ +#define PCI_MSIX_PBA_BIR 0x7 /* BAR index */ +#define PCI_MSIX_PBA_OFFSET ~0x7 /* Offset into specified BAR */ +#define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ + + /* CompactPCI Hotswap Register */ #define PCI_CHSWP_CSR 2 /* Control and Status Register */ |