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Commit db500419 authored by Hidetoshi Seto's avatar Hidetoshi Seto Committed by Jesse Barnes
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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: default avatarHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent 7473fbf4

drivers/pci/msi.h

+2 −2
Original line number Diff line number Diff line
@@ -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))

include/linux/pci_regs.h

+4 −2
Original line number Diff line number Diff line
@@ -300,11 +300,13 @@ 
#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_TABLE		4

#define PCI_MSIX_PBA		8

#define  PCI_MSIX_FLAGS_BIRMASK	(7 << 0)



/* CompactPCI Hotswap Register */