From: Joerg Roedel <jroe...@suse.de>
Add support to allocate direct mapped domains through the
IOMMU-API.
Signed-off-by: Joerg Roedel <jroe...@suse.de>
---
drivers/iommu/amd_iommu.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 06d19e8..33bbb4d 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2996,6 +2996,13 @@ static struct iommu_domain
*amd_iommu_domain_alloc(unsigned type)
}
pdomain = &dma_domain->domain;
break;
+ case IOMMU_DOMAIN_IDENTITY:
+ pdomain = protection_domain_alloc();
+ if (!pdomain)
+ return NULL;
+
+ pdomain->mode = PAGE_MODE_NONE;
+ break;
default:
return NULL;
}
--
1.9.1
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