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hw/arm/smmuv3: Advertise MSI_TRANSLATE attribute

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The SMMUv3 has the peculiarity to translate MSI
transactionss. let's advertise the corresponding
attribute.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
This commit is contained in:
Chen Qun 2018-08-28 09:21:53 -04:00
parent 93c6df7e5a
commit a782347b03
1 changed files with 32 additions and 0 deletions
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32
hw-arm-smmuv3-Advertise-MSI_TRANSLATE-attribute.patch Normal file
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@ -0,0 +1,32 @@
From bc602a4d1355774a0a44e8fbf6dd842049dd63f3 Mon Sep 17 00:00:00 2001
From: Eric Auger <eric.auger@redhat.com>
Date: Tue, 28 Aug 2018 09:21:53 -0400
Subject: [PATCH] hw/arm/smmuv3: Advertise MSI_TRANSLATE attribute
The SMMUv3 has the peculiarity to translate MSI
transactionss. let's advertise the corresponding
attribute.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
---
hw/arm/smmuv3.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 55eed5189e..83d59b6d28 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -1538,6 +1538,9 @@ 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;
}
--
2.27.0