iommu/arm-smmu: add IOMMU_CAP_NOEXEC to the ARM SMMU driver

The ARM SMMU supports the IOMMU_NOEXEC protection flag. Add the
corresponding IOMMU capability.

Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 505ff73..684a431 100644 (file)
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -2546,6 +2546,8 @@ static bool arm_smmu_capable(enum iommu_cap cap)
                return true;
        case IOMMU_CAP_INTR_REMAP:
                return true; /* MSIs are just memory writes */
+       case IOMMU_CAP_NOEXEC:
+               return true;
        default:
                return false;
        }