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