diff mbox series

[RFC,v6,18/24] hw/arm/smmuv3: Advertise MSI_TRANSLATE attribute

Message ID 20200320165840.30057-19-eric.auger@redhat.com (mailing list archive)
State New, archived
Headers show
Series vSMMUv3/pSMMUv3 2 stage VFIO integration | expand

Commit Message

Eric Auger March 20, 2020, 4:58 p.m. UTC 
The SMMUv3 has the peculiarity to translate MSI
transactionss. let's advertise the corresponding
attribute.

Signed-off-by: Eric Auger <eric.auger@redhat.com>

---
---
 hw/arm/smmuv3.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index e33eabd028..9bea5f65ae 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1515,6 +1515,9 @@  static int smmuv3_get_attr(IOMMUMemoryRegion *iommu,
     if (attr == IOMMU_ATTR_VFIO_NESTED) {
         *(bool *) data = true;
         return 0;
+    } else if (attr == IOMMU_ATTR_MSI_TRANSLATE) {
+        *(bool *) data = true;
+        return 0;
     }
     return -EINVAL;
 }