1/*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version
5 * 2 of the License, or (at your option) any later version.
6 */
7#ifndef _ASM_GENERIC_PCI_BRIDGE_H
8#define _ASM_GENERIC_PCI_BRIDGE_H
9
10#ifdef __KERNEL__
11
12enum {
13	/* Force re-assigning all resources (ignore firmware
14	 * setup completely)
15	 */
16	PCI_REASSIGN_ALL_RSRC	= 0x00000001,
17
18	/* Re-assign all bus numbers */
19	PCI_REASSIGN_ALL_BUS	= 0x00000002,
20
21	/* Do not try to assign, just use existing setup */
22	PCI_PROBE_ONLY		= 0x00000004,
23
24	/* Don't bother with ISA alignment unless the bridge has
25	 * ISA forwarding enabled
26	 */
27	PCI_CAN_SKIP_ISA_ALIGN	= 0x00000008,
28
29	/* Enable domain numbers in /proc */
30	PCI_ENABLE_PROC_DOMAINS	= 0x00000010,
31	/* ... except for domain 0 */
32	PCI_COMPAT_DOMAIN_0	= 0x00000020,
33
34	/* PCIe downstream ports are bridges that normally lead to only a
35	 * device 0, but if this is set, we scan all possible devices, not
36	 * just device 0.
37	 */
38	PCI_SCAN_ALL_PCIE_DEVS	= 0x00000040,
39};
40
41#ifdef CONFIG_PCI
42extern unsigned int pci_flags;
43
44static inline void pci_set_flags(int flags)
45{
46	pci_flags = flags;
47}
48
49static inline void pci_add_flags(int flags)
50{
51	pci_flags |= flags;
52}
53
54static inline void pci_clear_flags(int flags)
55{
56	pci_flags &= ~flags;
57}
58
59static inline int pci_has_flag(int flag)
60{
61	return pci_flags & flag;
62}
63#else
64static inline void pci_set_flags(int flags) { }
65static inline void pci_add_flags(int flags) { }
66static inline void pci_clear_flags(int flags) { }
67static inline int pci_has_flag(int flag)
68{
69	return 0;
70}
71#endif	/* CONFIG_PCI */
72
73#endif	/* __KERNEL__ */
74#endif	/* _ASM_GENERIC_PCI_BRIDGE_H */
75