Commit e2dc14a2 authored by Joerg Roedel's avatar Joerg Roedel

AMD IOMMU: add a domain flag for default domains

Impact: adds a new protection domain flag
Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
parent 26961efe
...@@ -192,6 +192,8 @@ ...@@ -192,6 +192,8 @@
/* Protection domain flags */ /* Protection domain flags */
#define PD_DMA_OPS_MASK (1UL << 0) /* domain used for dma_ops */ #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 * This structure contains generic data for IOMMU protection domains
......
...@@ -1574,6 +1574,7 @@ int __init amd_iommu_init_dma_ops(void) ...@@ -1574,6 +1574,7 @@ int __init amd_iommu_init_dma_ops(void)
iommu->default_dom = dma_ops_domain_alloc(iommu, order); iommu->default_dom = dma_ops_domain_alloc(iommu, order);
if (iommu->default_dom == NULL) if (iommu->default_dom == NULL)
return -ENOMEM; return -ENOMEM;
iommu->default_dom->domain.flags |= PD_DEFAULT_MASK;
ret = iommu_init_unity_mappings(iommu); ret = iommu_init_unity_mappings(iommu);
if (ret) if (ret)
goto free_domains; goto free_domains;
......
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