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| author | Joerg Roedel <jroedel@suse.de> | 2015-05-28 18:41:41 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-06-11 09:42:22 +0200 |
| commit | 07f643a35d6b50f0f091444f07db1353188e787e (patch) | |
| tree | 8952a6c392919fecdd5c407c734915d14c0b9d3e | |
| parent | 0bb6e243d7fbb39fced5bd4a4c83eb49c6e820ce (diff) | |
| download | blackbird-op-linux-07f643a35d6b50f0f091444f07db1353188e787e.tar.gz blackbird-op-linux-07f643a35d6b50f0f091444f07db1353188e787e.zip | |
iommu/amd: Support IOMMU_DOMAIN_IDENTITY type allocation
Add support to allocate direct mapped domains through the
IOMMU-API.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 27300aece203..188b81d56ac4 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; } |
