writeback: fixups for !dirty_writeback_centisecs

[safe/jmp/linux-2.6] / include / linux / dma_remapping.h

diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index 136f170..5619f85 100644 (file)
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -11,13 +11,31 @@
 
 #define DMA_PTE_READ (1)
 #define DMA_PTE_WRITE (2)
+#define DMA_PTE_SNP (1 << 11)
+
+#define CONTEXT_TT_MULTI_LEVEL 0
+#define CONTEXT_TT_DEV_IOTLB   1
+#define CONTEXT_TT_PASS_THROUGH 2
 
 struct intel_iommu;
 struct dmar_domain;
 struct root_entry;
 
 extern void free_dmar_iommu(struct intel_iommu *iommu);
+
+#ifdef CONFIG_DMAR
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
+extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
+#else
+static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
+{
+       return 0;
+}
+static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu)
+{
+       return 0;
+}
+#endif
 
 extern int dmar_disabled;