Merge branch 'x86/um-header' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...

[linux-2.6-omap-h63xx.git] / arch / x86 / include / asm / iommu.h

diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index 0c770f8aa002d69c21ec13b9b4745cc70e82260e..98e28ea8cd167afb5c1bf8bd3a04f320365e2edf 100644 (file)
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -7,9 +7,13 @@ 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;