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SUSE:SLE-12:Update
qemu-linux-user.401
0110-virtio-blk-implement-per-device-mig.patch
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File 0110-virtio-blk-implement-per-device-mig.patch of Package qemu-linux-user.401
From 859230271126a8c4bba4bb5d0e19692d2eb32113 Mon Sep 17 00:00:00 2001 From: Greg Kurz <gkurz@linux.vnet.ibm.com> Date: Tue, 24 Jun 2014 19:19:23 +0200 Subject: [PATCH] virtio-blk: implement per-device migration calls 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> (cherry picked from commit b2b295a74a17ec8b2eec166cbc65b65307a97ee2) Signed-off-by: Alexander Graf <agraf@suse.de> --- hw/block/virtio-blk.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 63d4ccd..a50be54 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -588,12 +588,16 @@ 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); qemu_put_buffer(f, (unsigned char*)&req->elem, sizeof(req->elem)); @@ -606,15 +610,17 @@ 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); @@ -773,6 +779,8 @@ 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 = {
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