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,
33 };
34 
35 #ifdef CONFIG_PCI
36 extern unsigned int pci_flags;
37 
pci_set_flags(int flags)38 static inline void pci_set_flags(int flags)
39 {
40 	pci_flags = flags;
41 }
42 
pci_add_flags(int flags)43 static inline void pci_add_flags(int flags)
44 {
45 	pci_flags |= flags;
46 }
47 
pci_clear_flags(int flags)48 static inline void pci_clear_flags(int flags)
49 {
50 	pci_flags &= ~flags;
51 }
52 
pci_has_flag(int flag)53 static inline int pci_has_flag(int flag)
54 {
55 	return pci_flags & flag;
56 }
57 #else
pci_set_flags(int flags)58 static inline void pci_set_flags(int flags) { }
pci_add_flags(int flags)59 static inline void pci_add_flags(int flags) { }
pci_clear_flags(int flags)60 static inline void pci_clear_flags(int flags) { }
pci_has_flag(int flag)61 static inline int pci_has_flag(int flag)
62 {
63 	return 0;
64 }
65 #endif	/* CONFIG_PCI */
66 
67 #endif	/* __KERNEL__ */
68 #endif	/* _ASM_GENERIC_PCI_BRIDGE_H */
69