diff mbox series

[RFC,v9,23/29] hw/arm/smmuv3: Fill the IOTLBEntry arch_id on NH_VA invalidation

Message ID 20210411120912.15770-24-eric.auger@redhat.com (mailing list archive)
State New, archived
Headers show
Series vSMMUv3/pSMMUv3 2 stage VFIO integration | expand

Commit Message

Eric Auger April 11, 2021, 12:09 p.m. UTC 
When the guest invalidates one S1 entry, it passes the asid.
When propagating this invalidation downto the host, the asid
information also must be passed. So let's fill the arch_id field
introduced for that purpose and accordingly set the flags to
indicate its presence.

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

---

v7 -> v8:
- set flags
---
 hw/arm/smmuv3.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index a7608af5dd..7beb55cd89 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -832,6 +832,8 @@  static void smmuv3_notify_iova(IOMMUMemoryRegion *mr,
     event.entry.iova = iova;
     event.entry.addr_mask = num_pages * (1 << granule) - 1;
     event.entry.perm = IOMMU_NONE;
+    event.entry.flags = IOMMU_INV_FLAGS_ARCHID;
+    event.entry.arch_id = asid;
 
     memory_region_notify_iommu_one(n, &event);
 }