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21 lines
846 B
21 lines
846 B
#ifndef _ASM_X86_PCI_DIRECT_H
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#define _ASM_X86_PCI_DIRECT_H
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#include <linux/types.h>
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/* Direct PCI access. This is used for PCI accesses in early boot before
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the PCI subsystem works. */
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extern u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset);
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extern u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset);
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extern u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset);
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extern void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val);
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extern void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val);
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extern void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val);
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extern int early_pci_allowed(void);
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extern unsigned int pci_early_dump_regs;
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extern void early_dump_pci_device(u8 bus, u8 slot, u8 func);
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extern void early_dump_pci_devices(void);
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#endif /* _ASM_X86_PCI_DIRECT_H */
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