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[RFC,v9,06/29] hw/arm/smmu-common: Allow domain invalidation for NH_ALL/NSNH_ALL

Message ID 20210411120912.15770-7-eric.auger@redhat.com
State New
Headers show
Series vSMMUv3/pSMMUv3 2 stage VFIO integration | expand

Commit Message

Eric Auger April 11, 2021, 12:08 p.m. UTC 
NH_ALL/NSNH_ALL corresponds to a domain granularity invalidation,
ie. all the notifier range gets invalidation, whatever the ASID.
So let's set the granularity to IOMMU_INV_GRAN_DOMAIN to allow
the consumer to benefit from the info if it can.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Suggested-by: chenxiang (M) <chenxiang66@hisilicon.com>
---
 hw/arm/smmu-common.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/hw/arm/smmu-common.c b/hw/arm/smmu-common.c
index 0ba3dca3b8..c33d03de67 100644
--- a/hw/arm/smmu-common.c
+++ b/hw/arm/smmu-common.c
@@ -478,6 +478,7 @@  static void smmu_unmap_notifier_range(IOMMUNotifier *n)
     event.entry.iova = n->start;
     event.entry.perm = IOMMU_NONE;
     event.entry.addr_mask = n->end - n->start;
+    event.entry.granularity = IOMMU_INV_GRAN_DOMAIN;
 
     memory_region_notify_iommu_one(n, &event);
 }