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f4ffd5e5 RH |
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 | ||
12 | enum { | |
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, | |
284f5f9d BH |
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, | |
f4ffd5e5 RH |
39 | }; |
40 | ||
41 | #ifdef CONFIG_PCI | |
42 | extern unsigned int pci_flags; | |
43 | ||
44 | static inline void pci_set_flags(int flags) | |
45 | { | |
46 | pci_flags = flags; | |
47 | } | |
48 | ||
49 | static inline void pci_add_flags(int flags) | |
50 | { | |
51 | pci_flags |= flags; | |
52 | } | |
53 | ||
dcce6dc4 BH |
54 | static inline void pci_clear_flags(int flags) |
55 | { | |
56 | pci_flags &= ~flags; | |
57 | } | |
58 | ||
f4ffd5e5 RH |
59 | static inline int pci_has_flag(int flag) |
60 | { | |
61 | return pci_flags & flag; | |
62 | } | |
63 | #else | |
64 | static inline void pci_set_flags(int flags) { } | |
65 | static inline void pci_add_flags(int flags) { } | |
dcce6dc4 | 66 | static inline void pci_clear_flags(int flags) { } |
f4ffd5e5 RH |
67 | static 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 */ |