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-rw-r--r--hw/scsi/virtio-scsi-dataplane.c40
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);