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virtio-bus: remove old set_host_notifier callback

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All users have been converted to the new ioevent callbacks.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Cornelia Huck 2016-06-10 11:04:14 +02:00 • committed by Michael S. Tsirkin
parent c0971bcb7c
commit 21a4d96243
4 changed files with 7 additions and 38 deletions
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12
hw/block/dataplane/virtio-blk.c
View file

@ -79,8 +79,7 @@ void virtio_blk_data_plane_create(VirtIODevice *vdev, VirtIOBlkConf *conf,
}
/* Don't try if transport does not support notifiers. */
if (!k->set_guest_notifiers ||
(!k->set_host_notifier && !k->ioeventfd_started)) {
if (!k->set_guest_notifiers || !k->ioeventfd_started) {
error_setg(errp,
"device is incompatible with dataplane "
"(transport does not support notifiers)");
@ -159,9 +158,6 @@ void virtio_blk_data_plane_start(VirtIOBlockDataPlane *s)
/* Set up virtqueue notify */
r = virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), 0, true);
if (r == -ENOSYS) {
r = k->set_host_notifier(qbus->parent, 0, true);
}
if (r != 0) {
fprintf(stderr, "virtio-blk failed to set host notifier (%d)\n", r);
goto fail_host_notifier;
@ -197,7 +193,6 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(s->vdev)));
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
VirtIOBlock *vblk = VIRTIO_BLK(s->vdev);
int r;
if (!vblk->dataplane_started || s->stopping) {
return;
@ -222,10 +217,7 @@ void virtio_blk_data_plane_stop(VirtIOBlockDataPlane *s)
aio_context_release(s->ctx);
r = virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), 0, false);
if (r == -ENOSYS) {
k->set_host_notifier(qbus->parent, 0, false);
}
virtio_bus_set_host_notifier(VIRTIO_BUS(qbus), 0, false);
/* Clean up guest notifier (irq) */
k->set_guest_notifiers(qbus->parent, 1, false);