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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* $Id: pci_impl.h,v 1.9 2001/06/13 06:34:30 davem Exp $
2 * pci_impl.h: Helper definitions for PCI controller support.
3 *
4 * Copyright (C) 1999 David S. Miller (davem@redhat.com)
5 */
6
7#ifndef PCI_IMPL_H
8#define PCI_IMPL_H
9
10#include <linux/types.h>
11#include <linux/spinlock.h>
12#include <asm/io.h>
David S. Millerde8d28b2006-06-22 16:18:54 -070013#include <asm/prom.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
15extern struct pci_controller_info *pci_controller_root;
David S. Miller1e8a8cc2007-02-28 23:38:38 -080016extern unsigned long pci_memspace_mask;
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
18extern int pci_num_controllers;
19
20/* PCI bus scanning and fixup support. */
David S. Millera2fb23a2007-02-28 23:35:04 -080021extern struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm);
Linus Torvalds1da177e2005-04-16 15:20:36 -070022extern void pci_register_legacy_regions(struct resource *io_res,
23 struct resource *mem_res);
24
25/* Error reporting support. */
26extern void pci_scan_for_target_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
27extern void pci_scan_for_master_abort(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
28extern void pci_scan_for_parity_error(struct pci_controller_info *, struct pci_pbm_info *, struct pci_bus *);
29
30/* Configuration space access. */
31extern void pci_config_read8(u8 *addr, u8 *ret);
32extern void pci_config_read16(u16 *addr, u16 *ret);
33extern void pci_config_read32(u32 *addr, u32 *ret);
34extern void pci_config_write8(u8 *addr, u8 val);
35extern void pci_config_write16(u16 *addr, u16 val);
36extern void pci_config_write32(u32 *addr, u32 val);
37
38#endif /* !(PCI_IMPL_H) */