blob: 20db2e5a0a699b20d6b4805de244890a96ec789e [file] [log] [blame]
Rob Herringf4ffd5e2011-06-29 11:46:54 -05001/*
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,
Bjorn Helgaas284f5f92012-04-30 15:21:02 -060033
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,
Rob Herringf4ffd5e2011-06-29 11:46:54 -050039};
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
Bjorn Helgaasdcce6dc2012-02-23 20:18:56 -070054static inline void pci_clear_flags(int flags)
55{
56 pci_flags &= ~flags;
57}
58
Rob Herringf4ffd5e2011-06-29 11:46:54 -050059static 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) { }
Bjorn Helgaasdcce6dc2012-02-23 20:18:56 -070066static inline void pci_clear_flags(int flags) { }
Rob Herringf4ffd5e2011-06-29 11:46:54 -050067static 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 */