diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/scsi/virtio-scsi-dataplane.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/hw/scsi/virtio-scsi-dataplane.c b/hw/scsi/virtio-scsi-dataplane.c index 4ad8793..b2cb3d9 100644 --- a/hw/scsi/virtio-scsi-dataplane.c +++ b/hw/scsi/virtio-scsi-dataplane.c @@ -94,8 +94,7 @@ static bool virtio_scsi_data_plane_handle_event(VirtIODevice *vdev, return progress; } -static int virtio_scsi_vring_init(VirtIOSCSI *s, VirtQueue *vq, int n, - VirtIOHandleAIOOutput fn) +static int virtio_scsi_set_host_notifier(VirtIOSCSI *s, VirtQueue *vq, int n) { BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s))); int rc; @@ -109,7 +108,6 @@ static int virtio_scsi_vring_init(VirtIOSCSI *s, VirtQueue *vq, int n, return rc; } - virtio_queue_aio_set_host_notifier_handler(vq, s->ctx, fn); return 0; } @@ -154,38 +152,44 @@ int virtio_scsi_dataplane_start(VirtIODevice *vdev) goto fail_guest_notifiers; } - aio_context_acquire(s->ctx); - rc = virtio_scsi_vring_init(s, vs->ctrl_vq, 0, - virtio_scsi_data_plane_handle_ctrl); - if (rc) { - goto fail_vrings; + rc = virtio_scsi_set_host_notifier(s, vs->ctrl_vq, 0); + if (rc != 0) { + goto fail_host_notifiers; } vq_init_count++; - rc = virtio_scsi_vring_init(s, vs->event_vq, 1, - virtio_scsi_data_plane_handle_event); - if (rc) { - goto fail_vrings; + rc = virtio_scsi_set_host_notifier(s, vs->event_vq, 1); + if (rc != 0) { + goto fail_host_notifiers; } vq_init_count++; + for (i = 0; i < vs->conf.num_queues; i++) { - rc = virtio_scsi_vring_init(s, vs->cmd_vqs[i], i + 2, - virtio_scsi_data_plane_handle_cmd); + rc = virtio_scsi_set_host_notifier(s, vs->cmd_vqs[i], i + 2); if (rc) { - goto fail_vrings; + goto fail_host_notifiers; } vq_init_count++; } + aio_context_acquire(s->ctx); + virtio_queue_aio_set_host_notifier_handler(vs->ctrl_vq, s->ctx, + virtio_scsi_data_plane_handle_ctrl); + virtio_queue_aio_set_host_notifier_handler(vs->event_vq, s->ctx, + virtio_scsi_data_plane_handle_event); + + for (i = 0; i < vs->conf.num_queues; i++) { + virtio_queue_aio_set_host_notifier_handler(vs->cmd_vqs[i], s->ctx, + virtio_scsi_data_plane_handle_cmd); + } + s->dataplane_starting = false; s->dataplane_started = true; aio_context_release(s->ctx); return 0; -fail_vrings: - aio_wait_bh_oneshot(s->ctx, virtio_scsi_dataplane_stop_bh, s); - aio_context_release(s->ctx); +fail_host_notifiers: for (i = 0; i < vq_init_count; i++) { virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), i, false); virtio_bus_cleanup_host_notifier(VIRTIO_BUS(qbus), i); |