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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:20 -0700
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/iommu.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/iommu.h')
-rw-r--r--arch/x86/include/asm/iommu.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
new file mode 100644
index 00000000000..961e746da97
--- /dev/null
+++ b/arch/x86/include/asm/iommu.h
@@ -0,0 +1,46 @@
+#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 unsigned long iommu_nr_pages(unsigned long addr, unsigned long len);
+
+#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 */