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-rw-r--r--arch/x86/include/asm/amd_iommu_types.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index 1c769f4e6cd..6adc7020ef9 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -192,6 +192,8 @@
/* Protection domain flags */
#define PD_DMA_OPS_MASK (1UL << 0) /* domain used for dma_ops */
+#define PD_DEFAULT_MASK (1UL << 1) /* domain is a default dma_ops
+ domain for an IOMMU */
/*
* This structure contains generic data for IOMMU protection domains