vfio: register container for cpr

Define entry points to perform per-container cpr-specific initialization
and teardown.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index bd25b9fbad..096d77eac3 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -621,10 +621,15 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as,
         goto free_container_exit;
     }
 
+    ret = vfio_cpr_register_container(bcontainer, errp);
+    if (ret) {
+        goto free_container_exit;
+    }
+
     ret = vfio_ram_block_discard_disable(container, true);
     if (ret) {
         error_setg_errno(errp, -ret, "Cannot set discarding of RAM broken");
-        goto free_container_exit;
+        goto unregister_container_exit;
     }
 
     assert(bcontainer->ops->setup);
@@ -667,6 +672,9 @@ listener_release_exit:
 enable_discards_exit:
     vfio_ram_block_discard_disable(container, false);
 
+unregister_container_exit:
+    vfio_cpr_unregister_container(bcontainer);
+
 free_container_exit:
     g_free(container);
 
@@ -710,6 +718,7 @@ static void vfio_disconnect_container(VFIOGroup *group)
         vfio_container_destroy(bcontainer);
 
         trace_vfio_disconnect_container(container->fd);
+        vfio_cpr_unregister_container(bcontainer);
         close(container->fd);
         g_free(container);