Proxmox-Port/qemu
1
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2025-08-10 12:46:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

virtio-blk: implement per-device migration calls

Browse Source 
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Greg Kurz 2014-06-24 19:19:23 +02:00 committed by Michael S. Tsirkin
parent 037dab2fe8
commit b2b295a74a
1 changed files with 16 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
hw/block/virtio-blk.c
View File

@ -611,11 +611,15 @@ static void virtio_blk_set_status(VirtIODevice *vdev, uint8_t status)
static void virtio_blk_save(QEMUFile *f, void *opaque) static void virtio_blk_save(QEMUFile *f, void *opaque)
{ {
VirtIOBlock *s = opaque; VirtIODevice *vdev = VIRTIO_DEVICE(opaque);
VirtIODevice *vdev = VIRTIO_DEVICE(s);
VirtIOBlockReq *req = s->rq;
virtio_save(vdev, f); 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) { while (req) {
qemu_put_sbyte(f, 1); qemu_put_sbyte(f, 1);
@ -630,16 +634,18 @@ static int virtio_blk_load(QEMUFile *f, void *opaque, int version_id)
{ {
VirtIOBlock *s = opaque; VirtIOBlock *s = opaque;
VirtIODevice *vdev = VIRTIO_DEVICE(s); VirtIODevice *vdev = VIRTIO_DEVICE(s);
int ret;
if (version_id != 2) if (version_id != 2)
return -EINVAL; return -EINVAL;
ret = virtio_load(vdev, f, version_id); return virtio_load(vdev, f, version_id);
if (ret) {
return ret;
} }
static int virtio_blk_load_device(VirtIODevice *vdev, QEMUFile *f,
int version_id)
{
VirtIOBlock *s = VIRTIO_BLK(vdev);
while (qemu_get_sbyte(f)) { while (qemu_get_sbyte(f)) {
VirtIOBlockReq *req = virtio_blk_alloc_request(s); VirtIOBlockReq *req = virtio_blk_alloc_request(s);
qemu_get_buffer(f, (unsigned char *)req->elem, 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->get_features = virtio_blk_get_features;
vdc->set_status = virtio_blk_set_status; vdc->set_status = virtio_blk_set_status;
vdc->reset = virtio_blk_reset; vdc->reset = virtio_blk_reset;
vdc->save = virtio_blk_save_device;
vdc->load = virtio_blk_load_device;
} }
static const TypeInfo virtio_device_info = { static const TypeInfo virtio_device_info = {