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iommu/amd: Implement iommu_ops->def_domain_type call-back 

Implement the new def_domain_type call-back for the AMD IOMMU driver.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20200429133712.31431-4-joro@8bytes.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2020-04-29 15:36:41 +02:00
parent 4cbf38511a
commit bdf4a7c4c7
1 changed files with 15 additions and 0 deletions
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15
drivers/iommu/amd_iommu.c
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@ -2661,6 +2661,20 @@ static void amd_iommu_iotlb_sync(struct iommu_domain *domain,
amd_iommu_flush_iotlb_all(domain);
}
static int amd_iommu_def_domain_type(struct device *dev)
{
struct iommu_dev_data *dev_data;
dev_data = get_dev_data(dev);
if (!dev_data)
return 0;
if (dev_data->iommu_v2)
return IOMMU_DOMAIN_IDENTITY;
return 0;
}
const struct iommu_ops amd_iommu_ops = {
.capable = amd_iommu_capable,
.domain_alloc = amd_iommu_domain_alloc,
@ -2680,6 +2694,7 @@ const struct iommu_ops amd_iommu_ops = {
.pgsize_bitmap = AMD_IOMMU_PGSIZES,
.flush_iotlb_all = amd_iommu_flush_iotlb_all,
.iotlb_sync = amd_iommu_iotlb_sync,
.def_domain_type = amd_iommu_def_domain_type,
};
/*****************************************************************************