diff options
Diffstat (limited to 'hw/scsi')
| -rw-r--r-- | hw/scsi/virtio-scsi-dataplane.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c index b2cb3d9dcc..28e003250a 100644 --- a/hw/scsi/virtio-scsi-dataplane.c +++ b/hw/scsi/virtio-scsi-dataplane.c @@ -152,6 +152,8 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) goto fail_guest_notifiers; } + memory_region_transaction_begin(); + rc = virtio_scsi_set_host_notifier(s, vs->ctrl_vq, 0); if (rc != 0) { goto fail_host_notifiers; @@ -173,6 +175,8 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) vq_init_count++; } + memory_region_transaction_commit(); + aio_context_acquire(s->ctx); virtio_queue_aio_set_host_notifier_handler(vs->ctrl_vq, s->ctx, virtio_scsi_data_plane_handle_ctrl); @@ -192,6 +196,11 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) fail_host_notifiers: for (i = 0; i < vq_init_count; i++) { virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), i, false); + } + + memory_region_transaction_commit(); + + for (i = 0; i < vq_init_count; i++) { virtio_bus_cleanup_host_notifier(VIRTIO_BUS(qbus), i); } k->set_guest_notifiers(qbus->parent, vs->conf.num_queues + 2, false); @@ -229,8 +238,15 @@ void virtio_scsi_dataplane_stop(VirtIODevice *vdev) blk_drain_all(); /* ensure there are no in-flight requests */ + memory_region_transaction_begin(); + for (i = 0; i < vs->conf.num_queues + 2; i++) { virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), i, false); + } + + memory_region_transaction_commit(); + + for (i = 0; i < vs->conf.num_queues + 2; i++) { virtio_bus_cleanup_host_notifier(VIRTIO_BUS(qbus), i); } |