aboutsummaryrefslogtreecommitdiff
path: root/include/linux/dma_remapping.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/dma_remapping.h')
-rw-r--r--include/linux/dma_remapping.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index bbd8661b347..57c9a8ae4f2 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -25,11 +25,13 @@ struct intel_iommu;
struct dmar_domain;
struct root_entry;
-extern void free_dmar_iommu(struct intel_iommu *iommu);
-#ifdef CONFIG_DMAR
+#ifdef CONFIG_INTEL_IOMMU
+extern void free_dmar_iommu(struct intel_iommu *iommu);
extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
+extern int dmar_disabled;
+extern int intel_iommu_enabled;
#else
static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
{
@@ -39,8 +41,12 @@ static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu)
{
return 0;
}
+static inline void free_dmar_iommu(struct intel_iommu *iommu)
+{
+}
+#define dmar_disabled (1)
+#define intel_iommu_enabled (0)
#endif
-extern int dmar_disabled;
#endif