[RFC,v5,23/29] hw/arm/smmuv3: Advertise MSI_TRANSLATE attribute
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Message ID 20190711173933.31203-24-eric.auger@redhat.com
State New
Headers show
Series
  • vSMMUv3/pSMMUv3 2 stage VFIO integration
Related show

Commit Message

Auger Eric July 11, 2019, 5:39 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(+)

Patch
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diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 517755aed5..9372b15b34 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1499,6 +1499,9 @@  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;
 }