diff mbox series

[PULL,07/16] vfio/ccw: Don't initialize HOST_IOMMU_DEVICE with mdev

Message ID 20240723140019.387786-8-clg@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/16] hw/vfio/container: Fix SIGSEV on vfio_container_instance_finalize() | expand

Commit Message

Cédric Le Goater July 23, 2024, 2 p.m. UTC 
From: Zhenzhong Duan <zhenzhong.duan@intel.com>

mdevs aren't "physical" devices and when asking for backing IOMMU info,
it fails the entire provisioning of the guest. Fix that by setting
vbasedev->mdev true so skipping HostIOMMUDevice initialization in the
presence of mdevs.

Fixes: 930589520128 ("vfio/iommufd: Implement HostIOMMUDeviceClass::realize() handler")
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Acked-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
---
 hw/vfio/ccw.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index 1f8e1272c7555cd0a770481d1ae92988f6e2e62e..115862f43036442d99c33f0328e5bc599ba1f2b9 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -675,6 +675,9 @@  static void vfio_ccw_instance_init(Object *obj)
     VFIOCCWDevice *vcdev = VFIO_CCW(obj);
     VFIODevice *vbasedev = &vcdev->vdev;
 
+    /* CCW device is mdev type device */
+    vbasedev->mdev = true;
+
     /*
      * All vfio-ccw devices are believed to operate in a way compatible with
      * discarding of memory in RAM blocks, ie. pages pinned in the host are