When attaching a mediated host device of model vfio-ccw without
specifying a guest-address, none is generated by libvirt. Let's fix this
and make sure to generate a device address during live-hotplug.

Reviewed-by: Boris Fiuczynski <[email protected]>
Signed-off-by: Bjoern Walk <[email protected]>
---
 src/qemu/qemu_hotplug.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index fd4bafef..7b775159 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -2790,6 +2790,8 @@ qemuDomainAttachMediatedDevice(virQEMUDriverPtr driver,
 {
     int ret = -1;
     g_autofree char *devstr = NULL;
+    char *devName = NULL;
+    bool releaseaddr = false;
     bool added = false;
     bool teardowncgroup = false;
     bool teardownlabel = false;
@@ -2805,6 +2807,10 @@ qemuDomainAttachMediatedDevice(virQEMUDriverPtr driver,
             return -1;
         break;
     case VIR_MDEV_MODEL_TYPE_VFIO_CCW:
+        devName = hostdev->source.subsys.u.mdev.uuidstr;
+        if (qemuDomainEnsureVirtioAddress(&releaseaddr, vm, &dev, devName) < 0)
+            return -1;
+        break;
     case VIR_MDEV_MODEL_TYPE_LAST:
         break;
     }
-- 
2.21.0

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