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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2010-10-13 15:00:23 +0900
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-10-17 20:03:03 -0700
commitdb5004195481fcb500c929bd3a0e1c0c48eec527 (patch)
treea0b1ae770128ac51ca1e2096ac180d1a44f5ef8c
parent7473fbf4a016301bfa3faa4f81c9a9c978330359 (diff)
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op-kernel-dev-db5004195481fcb500c929bd3a0e1c0c48eec527.tar.gz
PCI: add PCI_MSIX_TABLE/PBA defines
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>
-rw-r--r--drivers/pci/msi.h4
-rw-r--r--include/linux/pci_regs.h6
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index de27c1c..feff3be 100644
--- a/drivers/pci/msi.h
+++ b/drivers/pci/msi.h
@@ -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))
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 455b9cc..af83076 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -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 */
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