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virtio-rng: cleanup: use QOM casts. 

As the virtio-rng-pci, virtio-rng-s390 and virtio-rng-ccw are
switched to the new API, we can use QOM casts.

Signed-off-by: KONRAD Frederic <fred.konrad@greensocs.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Message-id: 1366790881-3026-9-git-send-email-fred.konrad@greensocs.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
KONRAD Frederic 2013-04-24 10:08:01 +02:00 committed by Anthony Liguori
parent 65f3b678f5
commit 611aa333b4
2 changed files with 16 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
hw/virtio/virtio-rng.c
View File

@ -18,8 +18,9 @@
static bool is_guest_ready(VirtIORNG *vrng)
{
VirtIODevice *vdev = VIRTIO_DEVICE(vrng);
if (virtio_queue_ready(vrng->vq)
&& (vrng->vdev.status & VIRTIO_CONFIG_S_DRIVER_OK)) {
&& (vdev->status & VIRTIO_CONFIG_S_DRIVER_OK)) {
return true;
}
return false;
@ -39,6 +40,7 @@ static void virtio_rng_process(VirtIORNG *vrng);
static void chr_read(void *opaque, const void *buf, size_t size)
{
VirtIORNG *vrng = opaque;
VirtIODevice *vdev = VIRTIO_DEVICE(vrng);
VirtQueueElement elem;
size_t len;
int offset;
@ -60,7 +62,7 @@ static void chr_read(void *opaque, const void *buf, size_t size)
virtqueue_push(vrng->vq, &elem, len);
}
virtio_notify(&vrng->vdev, vrng->vq);
virtio_notify(vdev, vrng->vq);
}
static void virtio_rng_process(VirtIORNG *vrng)
@ -86,7 +88,7 @@ static void virtio_rng_process(VirtIORNG *vrng)
static void handle_input(VirtIODevice *vdev, VirtQueue *vq)
{
VirtIORNG *vrng = DO_UPCAST(VirtIORNG, vdev, vdev);
VirtIORNG *vrng = VIRTIO_RNG(vdev);
virtio_rng_process(vrng);
}
@ -97,19 +99,20 @@ static uint32_t get_features(VirtIODevice *vdev, uint32_t f)
static void virtio_rng_save(QEMUFile *f, void *opaque)
{
VirtIORNG *vrng = opaque;
VirtIODevice *vdev = opaque;
virtio_save(&vrng->vdev, f);
virtio_save(vdev, f);
}
static int virtio_rng_load(QEMUFile *f, void *opaque, int version_id)
{
VirtIORNG *vrng = opaque;
VirtIODevice *vdev = VIRTIO_DEVICE(vrng);
if (version_id != 1) {
return -EINVAL;
}
virtio_load(&vrng->vdev, f);
virtio_load(vdev, f);
/* We may have an element ready but couldn't process it due to a quota
* limit. Make sure to try again after live migration when the quota may
@ -122,12 +125,12 @@ static int virtio_rng_load(QEMUFile *f, void *opaque, int version_id)
static void check_rate_limit(void *opaque)
{
VirtIORNG *s = opaque;
VirtIORNG *vrng = opaque;
s->quota_remaining = s->conf.max_bytes;
virtio_rng_process(s);
qemu_mod_timer(s->rate_limit_timer,
qemu_get_clock_ms(vm_clock) + s->conf.period_ms);
vrng->quota_remaining = vrng->conf.max_bytes;
virtio_rng_process(vrng);
qemu_mod_timer(vrng->rate_limit_timer,
qemu_get_clock_ms(vm_clock) + vrng->conf.period_ms);
}
static int virtio_rng_device_init(VirtIODevice *vdev)
@ -166,7 +169,7 @@ static int virtio_rng_device_init(VirtIODevice *vdev)
vrng->vq = virtio_add_queue(vdev, 8, handle_input);
vrng->vdev.get_features = get_features;
vdev->get_features = get_features;
assert(vrng->conf.max_bytes <= INT64_MAX);
vrng->quota_remaining = vrng->conf.max_bytes;

2
include/hw/virtio/virtio-rng.h
View File

@ -30,7 +30,7 @@ struct VirtIORNGConf {
};
typedef struct VirtIORNG {
VirtIODevice vdev;
VirtIODevice parent_obj;
/* Only one vq - guest puts buffer(s) on it when it needs entropy */
VirtQueue *vq;