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/* pci_impl.h: Helper definitions for PCI controller support.
*
* Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net)
*/
#ifndef PCI_IMPL_H
#define PCI_IMPL_H
#include <linux/types.h>
#include <linux/spinlock.h>
#include <asm/io.h>
#include <asm/prom.h>
extern struct pci_pbm_info *pci_pbm_root;
extern unsigned long pci_memspace_mask;
extern int pci_num_controllers;
/* PCI bus scanning and fixup support. */
extern void pci_get_pbm_props(struct pci_pbm_info *pbm);
extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm);
extern void pci_determine_mem_io_space(struct pci_pbm_info *pbm);
extern int pci_host_bridge_read_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
int where, int size,
u32 *value);
extern int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev,
unsigned int devfn,
int where, int size,
u32 value);
/* Error reporting support. */
extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
/* Configuration space access. */
extern void pci_config_read8(u8 *addr, u8 *ret);
extern void pci_config_read16(u16 *addr, u16 *ret);
extern void pci_config_read32(u32 *addr, u32 *ret);
extern void pci_config_write8(u8 *addr, u8 val);
extern void pci_config_write16(u16 *addr, u16 val);
extern void pci_config_write32(u32 *addr, u32 val);
#endif /* !(PCI_IMPL_H) */
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