mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
5b34653963
* 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits) x86: canonicalize remaining header guards x86: drop double underscores from header guards x86: Fix ASM_X86__ header guards x86, um: get rid of uml-config.h x86, um: get rid of arch/um/Kconfig.arch x86, um: get rid of arch/um/os symlink x86, um: get rid of excessive includes of uml-config.h x86, um: get rid of header symlinks x86, um: merge Kconfig.i386 and Kconfig.x86_64 x86, um: get rid of sysdep symlink x86, um: trim the junk from uml ptrace-*.h x86, um: take vm-flags.h to sysdep x86, um: get rid of uml asm/arch x86, um: get rid of uml highmem.h x86, um: get rid of uml unistd.h x86, um: get rid of system.h -> system.h include x86, um: uml atomic.h is not needed anymore x86, um: untangle uml ldt.h x86, um: get rid of more uml asm/arch uses x86, um: remove dead header (uml module-generic.h; never used these days) ...
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#ifndef _ASM_X86_IOMMU_H
|
|
#define _ASM_X86_IOMMU_H
|
|
|
|
extern void pci_iommu_shutdown(void);
|
|
extern void no_iommu_init(void);
|
|
extern struct dma_mapping_ops nommu_dma_ops;
|
|
extern int force_iommu, no_iommu;
|
|
extern int iommu_detected;
|
|
extern int dmar_disabled;
|
|
extern int forbid_dac;
|
|
|
|
extern unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
|
|
|
|
/* 10 seconds */
|
|
#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
|
|
|
|
#ifdef CONFIG_GART_IOMMU
|
|
extern int gart_iommu_aperture;
|
|
extern int gart_iommu_aperture_allowed;
|
|
extern int gart_iommu_aperture_disabled;
|
|
|
|
extern void early_gart_iommu_check(void);
|
|
extern void gart_iommu_init(void);
|
|
extern void gart_iommu_shutdown(void);
|
|
extern void __init gart_parse_options(char *);
|
|
extern void gart_iommu_hole_init(void);
|
|
|
|
#else
|
|
#define gart_iommu_aperture 0
|
|
#define gart_iommu_aperture_allowed 0
|
|
#define gart_iommu_aperture_disabled 1
|
|
|
|
static inline void early_gart_iommu_check(void)
|
|
{
|
|
}
|
|
static inline void gart_iommu_init(void)
|
|
{
|
|
}
|
|
static inline void gart_iommu_shutdown(void)
|
|
{
|
|
}
|
|
static inline void gart_parse_options(char *options)
|
|
{
|
|
}
|
|
static inline void gart_iommu_hole_init(void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASM_X86_IOMMU_H */
|