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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 21:05:42 -0400 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@zytor.com> | 2008-10-22 22:55:20 -0700 |
| commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
| tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/pci-direct.h | |
| parent | x86, um: initial part of asm-um move (diff) | |
| download | wireguard-linux-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz wireguard-linux-bb8985586b7a906e116db835c64773b7a7d51663.zip | |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/pci-direct.h')
| -rw-r--r-- | arch/x86/include/asm/pci-direct.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pci-direct.h b/arch/x86/include/asm/pci-direct.h new file mode 100644 index 000000000000..da42be07b690 --- /dev/null +++ b/arch/x86/include/asm/pci-direct.h @@ -0,0 +1,21 @@ +#ifndef ASM_X86__PCI_DIRECT_H +#define ASM_X86__PCI_DIRECT_H + +#include <linux/types.h> + +/* Direct PCI access. This is used for PCI accesses in early boot before + the PCI subsystem works. */ + +extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset); +extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset); +extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset); +extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val); +extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val); +extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val); + +extern int early_pci_allowed(void); + +extern unsigned int pci_early_dump_regs; +extern void early_dump_pci_device(u8 bus, u8 slot, u8 func); +extern void early_dump_pci_devices(void); +#endif /* ASM_X86__PCI_DIRECT_H */ |