Skip to content

Commit

Permalink
PCI: add PCI_MSIX_TABLE/PBA defines
Browse files Browse the repository at this point in the history
These are already defined in pcilib's pci/header.h but not in kernel's
linux/pci_regs.h.  Copy them to avoid using magic numbers.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
  • Loading branch information
Hidetoshi Seto authored and Jesse Barnes committed Oct 18, 2010
1 parent 7473fbf commit db50041
Show file tree
Hide file tree
Showing 2 changed files with 6 additions and 4 deletions.
4 changes: 2 additions & 2 deletions drivers/pci/msi.h
Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,8 @@
#define is_64bit_address(control) (!!(control & PCI_MSI_FLAGS_64BIT))
#define is_mask_bit_support(control) (!!(control & PCI_MSI_FLAGS_MASKBIT))

#define msix_table_offset_reg(base) (base + 0x04)
#define msix_pba_offset_reg(base) (base + 0x08)
#define msix_table_offset_reg(base) (base + PCI_MSIX_TABLE)
#define msix_pba_offset_reg(base) (base + PCI_MSIX_PBA)
#define msix_table_size(control) ((control & PCI_MSIX_FLAGS_QSIZE)+1)
#define multi_msix_capable(control) msix_table_size((control))

Expand Down
6 changes: 4 additions & 2 deletions include/linux/pci_regs.h
Original file line number Diff line number Diff line change
Expand Up @@ -300,12 +300,14 @@
#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_64 16 /* Mask bits register for 64-bit devices */

/* MSI-X registers (these are at offset PCI_MSIX_FLAGS) */
/* 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_FLAGS_BIRMASK (7 << 0)
#define PCI_MSIX_TABLE 4
#define PCI_MSIX_PBA 8
#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)

/* CompactPCI Hotswap Register */

Expand Down

0 comments on commit db50041

Please sign in to comment.