97b3cf050b
We fake up a dummy one in all cases because that is the simplest thing to do and it happens to be necessary for hypervisor systems. Signed-off-by: David S. Miller <davem@davemloft.net>
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* 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_controller_info *pci_controller_root;
|
|
extern unsigned long pci_memspace_mask;
|
|
|
|
extern int pci_num_controllers;
|
|
|
|
/* PCI bus scanning and fixup support. */
|
|
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) */
|