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Diffstat (limited to 'arch/x86/include/asm/iommu.h')
-rw-r--r--arch/x86/include/asm/iommu.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
new file mode 100644
index 00000000..dffc38ee
--- /dev/null
+++ b/arch/x86/include/asm/iommu.h
@@ -0,0 +1,13 @@
+#ifndef _ASM_X86_IOMMU_H
+#define _ASM_X86_IOMMU_H
+
+extern struct dma_map_ops nommu_dma_ops;
+extern int force_iommu, no_iommu;
+extern int iommu_detected;
+extern int iommu_pass_through;
+extern int iommu_group_mf;
+
+/* 10 seconds */
+#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
+
+#endif /* _ASM_X86_IOMMU_H */