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Commit 07f643a3 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

iommu/amd: Support IOMMU_DOMAIN_IDENTITY type allocation 



Add support to allocate direct mapped domains through the
IOMMU-API.

Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 0bb6e243

drivers/iommu/amd_iommu.c

+7 −0
Original line number Diff line number Diff line
@@ -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;

	}