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migration/virtio: Remove simple .get/.put use 

The 'virtqueue_state' and 'ringsize' can be saved using VMSTATE
macros rather than hand coded .get/.put

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2016-01-06 12:23:39 +00:00 committed by Michael S. Tsirkin
parent 2cf0148674
commit 50e5ae4dc3
1 changed files with 19 additions and 68 deletions
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87
hw/virtio/virtio.c
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@ -1126,33 +1126,15 @@ static bool virtio_extra_state_needed(void *opaque)
k->has_extra_state(qbus->parent);
}
static void put_virtqueue_state(QEMUFile *f, void *pv, size_t size)
{
VirtIODevice *vdev = pv;
int i;
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
qemu_put_be64(f, vdev->vq[i].vring.avail);
qemu_put_be64(f, vdev->vq[i].vring.used);
}
}
static int get_virtqueue_state(QEMUFile *f, void *pv, size_t size)
{
VirtIODevice *vdev = pv;
int i;
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
vdev->vq[i].vring.avail = qemu_get_be64(f);
vdev->vq[i].vring.used = qemu_get_be64(f);
}
return 0;
}
static VMStateInfo vmstate_info_virtqueue = {
static const VMStateDescription vmstate_virtqueue = {
.name = "virtqueue_state",
.get = get_virtqueue_state,
.put = put_virtqueue_state,
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT64(vring.avail, struct VirtQueue),
VMSTATE_UINT64(vring.used, struct VirtQueue),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_virtio_virtqueues = {
@ -1161,44 +1143,20 @@ static const VMStateDescription vmstate_virtio_virtqueues = {
.minimum_version_id = 1,
.needed = &virtio_virtqueue_needed,
.fields = (VMStateField[]) {
{
.name = "virtqueues",
.version_id = 0,
.field_exists = NULL,
.size = 0,
.info = &vmstate_info_virtqueue,
.flags = VMS_SINGLE,
.offset = 0,
},
VMSTATE_STRUCT_VARRAY_KNOWN(vq, struct VirtIODevice, VIRTIO_QUEUE_MAX,
0, vmstate_virtqueue, VirtQueue),
VMSTATE_END_OF_LIST()
}
};
static void put_ringsize_state(QEMUFile *f, void *pv, size_t size)
{
VirtIODevice *vdev = pv;
int i;
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
qemu_put_be32(f, vdev->vq[i].vring.num_default);
}
}
static int get_ringsize_state(QEMUFile *f, void *pv, size_t size)
{
VirtIODevice *vdev = pv;
int i;
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
vdev->vq[i].vring.num_default = qemu_get_be32(f);
}
return 0;
}
static VMStateInfo vmstate_info_ringsize = {
static const VMStateDescription vmstate_ringsize = {
.name = "ringsize_state",
.get = get_ringsize_state,
.put = put_ringsize_state,
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINT32(vring.num_default, struct VirtQueue),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_virtio_ringsize = {
@ -1207,15 +1165,8 @@ static const VMStateDescription vmstate_virtio_ringsize = {
.minimum_version_id = 1,
.needed = &virtio_ringsize_needed,
.fields = (VMStateField[]) {
{
.name = "ringsize",
.version_id = 0,
.field_exists = NULL,
.size = 0,
.info = &vmstate_info_ringsize,
.flags = VMS_SINGLE,
.offset = 0,
},
VMSTATE_STRUCT_VARRAY_KNOWN(vq, struct VirtIODevice, VIRTIO_QUEUE_MAX,
0, vmstate_ringsize, VirtQueue),
VMSTATE_END_OF_LIST()
}
};