dcce6dc486
Add a pci_clear_flags() for cases when we statically initialize pci_flags, then decide to clear things out later. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_GENERIC_PCI_BRIDGE_H
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#define _ASM_GENERIC_PCI_BRIDGE_H
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#ifdef __KERNEL__
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enum {
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/* Force re-assigning all resources (ignore firmware
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* setup completely)
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*/
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PCI_REASSIGN_ALL_RSRC = 0x00000001,
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/* Re-assign all bus numbers */
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PCI_REASSIGN_ALL_BUS = 0x00000002,
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/* Do not try to assign, just use existing setup */
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PCI_PROBE_ONLY = 0x00000004,
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/* Don't bother with ISA alignment unless the bridge has
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* ISA forwarding enabled
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*/
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PCI_CAN_SKIP_ISA_ALIGN = 0x00000008,
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/* Enable domain numbers in /proc */
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PCI_ENABLE_PROC_DOMAINS = 0x00000010,
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/* ... except for domain 0 */
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PCI_COMPAT_DOMAIN_0 = 0x00000020,
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};
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#ifdef CONFIG_PCI
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extern unsigned int pci_flags;
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static inline void pci_set_flags(int flags)
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{
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pci_flags = flags;
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}
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static inline void pci_add_flags(int flags)
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{
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pci_flags |= flags;
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}
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static inline void pci_clear_flags(int flags)
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{
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pci_flags &= ~flags;
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}
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static inline int pci_has_flag(int flag)
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{
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return pci_flags & flag;
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}
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#else
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static inline void pci_set_flags(int flags) { }
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static inline void pci_add_flags(int flags) { }
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static inline void pci_clear_flags(int flags) { }
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static inline int pci_has_flag(int flag)
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{
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return 0;
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}
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#endif /* CONFIG_PCI */
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#endif /* __KERNEL__ */
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#endif /* _ASM_GENERIC_PCI_BRIDGE_H */
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