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PCI: Move config space size macros to pci_regs.h
Move PCI configuration space size macros (PCI_CFG_SPACE_SIZE and PCI_CFG_SPACE_EXP_SIZE) from drivers/pci/pci.h to include/uapi/linux/pci_regs.h so they can be used by more drivers and eliminate duplicate definitions. [bhelgaas: Expand comment to include PCI-X details] Signed-off-by: Wang Sheng-Hui <shhuiw@foxmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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3 changed files with 8 additions and 5 deletions
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@ -1,9 +1,6 @@
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#ifndef DRIVERS_PCI_H
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#define DRIVERS_PCI_H
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#define PCI_CFG_SPACE_SIZE 256
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#define PCI_CFG_SPACE_EXP_SIZE 4096
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#define PCI_FIND_CAP_TTL 48
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extern const unsigned char pcie_link_speed[];
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@ -31,8 +31,6 @@
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#include "vfio_pci_private.h"
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#define PCI_CFG_SPACE_SIZE 256
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/* Fake capability ID for standard config space */
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#define PCI_CAP_ID_BASIC 0
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@ -22,6 +22,14 @@
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#ifndef LINUX_PCI_REGS_H
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#define LINUX_PCI_REGS_H
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/*
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* Conventional PCI and PCI-X Mode 1 devices have 256 bytes of
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* configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of
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* configuration space.
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*/
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#define PCI_CFG_SPACE_SIZE 256
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#define PCI_CFG_SPACE_EXP_SIZE 4096
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/*
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* Under PCI, each device has 256 bytes of configuration address space,
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* of which the first 64 bytes are standardized as follows:
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