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>

diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index de27c1cb5a2bb8be30a3003ca47c45eac37c9d2a..feff3bee6fe5fcaf1b107e0f3907d984ca882b5b 100644 (file)
--- 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 455b9ccdfca7679349dc4786d3de6ed6493e3c1e..af83076c31a6ca082416362517c9cf1138673b4a 100644 (file)
--- 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 */