From: Michal Privoznik <mprivozn@redhat.com>
Date: Wed, 21 Jan 2026 11:56:06 +0000 (+0100)
Subject: qemu_command: Generate aw_bits prop for virtio-iommu
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17693931e68cfaa4dffd2ba96f94455ee2d76b8f;p=thirdparty%2Flibvirt.git

qemu_command: Generate aw_bits prop for virtio-iommu

Resolves: https://issues.redhat.com/browse/RHEL-76269
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
---

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index ca6779a6ea..85f24c6307 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -6382,6 +6382,7 @@ qemuBuildIOMMUCommandLine(virCommand *cmd,
             if (virJSONValueObjectAdd(&props,
                                       "s:driver", "virtio-iommu",
                                       "s:id", iommu->info.alias,
+                                      "p:aw-bits", iommu->aw_bits,
                                       NULL) < 0) {
                 return -1;
             }
diff --git a/tests/qemuxmlconfdata/virtio-iommu-aarch64.aarch64-latest.args b/tests/qemuxmlconfdata/virtio-iommu-aarch64.aarch64-latest.args
index 40b5bf7766..071bc00b34 100644
--- a/tests/qemuxmlconfdata/virtio-iommu-aarch64.aarch64-latest.args
+++ b/tests/qemuxmlconfdata/virtio-iommu-aarch64.aarch64-latest.args
@@ -28,7 +28,7 @@ XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
 -rtc base=utc \
 -no-shutdown \
 -boot strict=on \
--device '{"driver":"virtio-iommu","id":"iommu0","bus":"pcie.0","addr":"0x1"}' \
+-device '{"driver":"virtio-iommu","id":"iommu0","aw-bits":48,"bus":"pcie.0","addr":"0x1"}' \
 -audiodev '{"id":"audio1","driver":"none"}' \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
 -msg timestamp=on