PCI: Make some MSI-X #defines generic

Move some MSI-X #defines into pci_regs.h so they can be used
outside of drivers/pci.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index c321316f1bc7..064b1dc71c22 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -292,6 +292,12 @@
 #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 (these are at offset PCI_MSI_FLAGS) */
+#define PCI_MSIX_FLAGS_QSIZE    0x7FF
+#define PCI_MSIX_FLAGS_ENABLE   (1 << 15)
+#define PCI_MSIX_FLAGS_BIRMASK  (7 << 0)
+#define PCI_MSIX_FLAGS_BITMASK  (1 << 0)
+
 /* CompactPCI Hotswap Register */
 
 #define PCI_CHSWP_CSR           2       /* Control and Status Register */