Commit b2b295a7 authored by Greg Kurz's avatar Greg Kurz Committed by Michael S. Tsirkin
Browse files

virtio-blk: implement per-device migration calls 



Signed-off-by: default avatarGreg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: default avatarAlexander Graf <agraf@suse.de>
Reviewed-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 037dab2f

hw/block/virtio-blk.c

+16 −8
Original line number Diff line number Diff line
@@ -611,11 +611,15 @@ static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status) 


static void virtio_blk_save(QEMUFile *f, void *opaque)

{

    VirtIOBlock *s = opaque;

    VirtIODevice *vdev = VIRTIO_DEVICE(s);

    VirtIOBlockReq *req = s->rq;

    VirtIODevice *vdev = VIRTIO_DEVICE(opaque);



    virtio_save(vdev, f);

}

    

static void virtio_blk_save_device(VirtIODevice *vdev, QEMUFile *f)

{

    VirtIOBlock *s = VIRTIO_BLK(vdev);

    VirtIOBlockReq *req = s->rq;



    while (req) {

        qemu_put_sbyte(f, 1);
@@ -630,16 +634,18 @@ static int virtio_blk_load(QEMUFile *f, void *opaque, int version_id) 
{

    VirtIOBlock *s = opaque;

    VirtIODevice *vdev = VIRTIO_DEVICE(s);

    int ret;



    if (version_id != 2)

        return -EINVAL;



    ret = virtio_load(vdev, f, version_id);

    if (ret) {

        return ret;

    return virtio_load(vdev, f, version_id);

}



static int virtio_blk_load_device(VirtIODevice *vdev, QEMUFile *f,

                                  int version_id)

{

    VirtIOBlock *s = VIRTIO_BLK(vdev);



    while (qemu_get_sbyte(f)) {

        VirtIOBlockReq *req = virtio_blk_alloc_request(s);

        qemu_get_buffer(f, (unsigned char *)req->elem,
@@ -799,6 +805,8 @@ static void virtio_blk_class_init(ObjectClass *klass, void *data) 
    vdc->get_features = virtio_blk_get_features;

    vdc->set_status = virtio_blk_set_status;

    vdc->reset = virtio_blk_reset;

    vdc->save = virtio_blk_save_device;

    vdc->load = virtio_blk_load_device;

}



static const TypeInfo virtio_device_info = {