include/asm-generic/pci-bridge.h

   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
  38 static inline void pci_set_flags(int flags)
  39 {
  40         pci_flags = flags;
  41 }
  42
  43 static inline void pci_add_flags(int flags)
  44 {
  45         pci_flags |= flags;
  46 }
  47
  48 static inline int pci_has_flag(int flag)
  49 {
  50         return pci_flags & flag;
  51 }
  52 #else
  53 static inline void pci_set_flags(int flags) { }
  54 static inline void pci_add_flags(int flags) { }
  55 static inline int pci_has_flag(int flag)
  56 {
  57         return 0;
  58 }
  59 #endif  /* CONFIG_PCI */
  60
  61 #endif  /* __KERNEL__ */
  62 #endif  /* _ASM_GENERIC_PCI_BRIDGE_H */