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PCI: add PCI_MSIX_TABLE/PBA defines

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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>
This commit is contained in:
Hidetoshi Seto 2010-10-13 15:00:23 +09:00 committed by Jesse Barnes
parent 7473fbf4a0
commit db50041954
2 changed files with 6 additions and 4 deletions
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4
drivers/pci/msi.h
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@ -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))

6
include/linux/pci_regs.h
View File

@ -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 */