iommu/amd: Report irq remapping through IOMMU-API

Report the availability of irq remapping through the
IOMMU-API to allow KVM device passthrough again without
additional module parameter overrides.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 33f144f7d676260aa4dd20e213b95cb2887447ac..312dd4dd47914e87e51c598091fa7b37f12e3f5c 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3353,6 +3353,8 @@ static int amd_iommu_domain_has_cap(struct iommu_domain *domain,
        switch (cap) {
        case IOMMU_CAP_CACHE_COHERENCY:
                return 1;
+       case IOMMU_CAP_INTR_REMAP:
+               return irq_remapping_enabled;
        }
 
        return 0;