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hw/arm/smmuv3: Fill the IOTLBEntry arch_id on NH_VA invalidation

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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>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
This commit is contained in:
Chen Qun 2018-09-04 08:48:33 -04:00
parent cf3014ddc1
commit 4b4532b880
1 changed files with 34 additions and 0 deletions
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34
hw-arm-smmuv3-Fill-the-IOTLBEntry-arch_id-on-NH_VA-i.patch Normal file
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From 8108317641b3cb378bf1862dc3c0a73d1e0976ce Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@redhat.com>
Date: Tue, 4 Sep 2018 08:48:33 -0400
Subject: [PATCH] hw/arm/smmuv3: Fill the IOTLBEntry arch_id on NH_VA
invalidation
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>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
---
hw/arm/smmuv3.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index f8e721f949..c6b950af35 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -824,6 +824,8 @@ static void smmuv3_notify_iova(IOMMUMemoryRegion *mr,
entry.iova = iova;
entry.addr_mask = (1 << tt->granule_sz) - 1;
entry.perm = IOMMU_NONE;
+ entry.flags = IOMMU_INV_FLAGS_ARCHID;
+ entry.arch_id = asid;
memory_region_notify_one(n, &entry);
}
--
2.27.0