mdevs aren't "physical" devices and when asking for backing IOMMU info, it
fails the entire provisioning of the guest. Fix that by filling caps info
when IOMMU_GET_HW_INFO succeeds plus discarding the error we would get into
iommufd_backend_get_device_info().
Cc: Zhenzhong Duan <zhenzhong.d...@intel.com>
Fixes: 930589520128 ("vfio/iommufd: Implement HostIOMMUDeviceClass::realize()
handler")
Signed-off-by: Joao Martins <joao.m.mart...@oracle.com>
---
hw/vfio/iommufd.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index c2f158e60386..a4d23f488b01 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -631,15 +631,13 @@ static bool hiod_iommufd_vfio_realize(HostIOMMUDevice
*hiod, void *opaque,
hiod->agent = opaque;
- if (!iommufd_backend_get_device_info(vdev->iommufd, vdev->devid,
- &type, &data, sizeof(data), errp)) {
- return false;
+ if (iommufd_backend_get_device_info(vdev->iommufd, vdev->devid,
+ &type, &data, sizeof(data), NULL)) {
+ hiod->name = g_strdup(vdev->name);
+ caps->type = type;
+ caps->aw_bits = vfio_device_get_aw_bits(vdev);
}
- hiod->name = g_strdup(vdev->name);
- caps->type = type;
- caps->aw_bits = vfio_device_get_aw_bits(vdev);
-
return true;
}
--
2.17.2
