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linux
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>
authored by
Michael Ellerman
and committed by
Greg Kroah-Hartman
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drivers/pci/msi.h
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drivers/pci/msi.h
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#ifndef MSI_H
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#define MSI_H
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/*
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* MSI-X Address Register
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*/
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#define PCI_MSIX_FLAGS_QSIZE 0x7FF
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#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
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#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)
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#define PCI_MSIX_FLAGS_BITMASK (1 << 0)
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#define PCI_MSIX_ENTRY_SIZE 16
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#define PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET 0
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#define PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET 4
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include/linux/pci_regs.h
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include/linux/pci_regs.h
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#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
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#define PCI_MSI_MASK_BIT 16 /* Mask bits register */
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/* MSI-X registers (these are at offset PCI_MSI_FLAGS) */
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#define PCI_MSIX_FLAGS_QSIZE 0x7FF
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#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
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#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)
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#define PCI_MSIX_FLAGS_BITMASK (1 << 0)
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/* CompactPCI Hotswap Register */
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#define PCI_CHSWP_CSR 2 /* Control and Status Register */