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path: root/hw/block/dataplane/virtio-blk.c
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Diffstat (limited to 'hw/block/dataplane/virtio-blk.c')
-rw-r--r--hw/block/dataplane/virtio-blk.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/hw/block/dataplane/virtio-blk.c b/hw/block/dataplane/virtio-blk.c
index e666dd4ff0..3cb97c9a29 100644
--- a/hw/block/dataplane/virtio-blk.c
+++ b/hw/block/dataplane/virtio-blk.c
@@ -29,7 +29,6 @@
struct VirtIOBlockDataPlane {
bool starting;
bool stopping;
- bool disabled;
VirtIOBlkConf *conf;
@@ -185,6 +184,17 @@ void virtio_blk_data_plane_destroy(VirtIOBlockDataPlane *s)
g_free(s);
}
+static void virtio_blk_data_plane_handle_output(VirtIODevice *vdev,
+ VirtQueue *vq)
+{
+ VirtIOBlock *s = (VirtIOBlock *)vdev;
+
+ assert(s->dataplane);
+ assert(s->dataplane_started);
+
+ virtio_blk_handle_vq(s, vq);
+}
+
/* Context: QEMU global mutex held */
void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
{
@@ -227,14 +237,15 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
/* Get this show started by hooking up our callbacks */
aio_context_acquire(s->ctx);
- virtio_queue_aio_set_host_notifier_handler(s->vq, s->ctx, true, true);
+ virtio_queue_aio_set_host_notifier_handler(s->vq, s->ctx,
+ virtio_blk_data_plane_handle_output);
aio_context_release(s->ctx);
return;
fail_host_notifier:
k->set_guest_notifiers(qbus->parent, 1, false);
fail_guest_notifiers:
- s->disabled = true;
+ vblk->dataplane_disabled = true;
s->starting = false;
vblk->dataplane_started = true;
}
@@ -251,8 +262,8 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
}
/* Better luck next time. */
- if (s->disabled) {
- s->disabled = false;
+ if (vblk->dataplane_disabled) {
+ vblk->dataplane_disabled = false;
vblk->dataplane_started = false;
return;
}
@@ -262,7 +273,7 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
aio_context_acquire(s->ctx);
/* Stop notifications for new requests from guest */
- virtio_queue_aio_set_host_notifier_handler(s->vq, s->ctx, false, false);
+ virtio_queue_aio_set_host_notifier_handler(s->vq, s->ctx, NULL);
/* Drain and switch bs back to the QEMU main loop */
blk_set_aio_context(s->conf->conf.blk, qemu_get_aio_context());