mirror of https://gitlab.com/qemu-project/qemu
virtio-rng-pci: create a default backend if none exists
This allows you to specify: $ qemu -device virtio-rng-pci And things will Just Work with a reasonable default. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
parent
904d6f5880
commit
500054f161
|
@ -857,6 +857,19 @@ static int virtio_rng_init_pci(PCIDevice *pci_dev)
|
||||||
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
|
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
|
||||||
VirtIODevice *vdev;
|
VirtIODevice *vdev;
|
||||||
|
|
||||||
|
if (proxy->rng.rng == NULL) {
|
||||||
|
proxy->rng.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
|
||||||
|
|
||||||
|
object_property_add_child(OBJECT(pci_dev),
|
||||||
|
"default-backend",
|
||||||
|
OBJECT(proxy->rng.default_backend),
|
||||||
|
NULL);
|
||||||
|
|
||||||
|
object_property_set_link(OBJECT(pci_dev),
|
||||||
|
OBJECT(proxy->rng.default_backend),
|
||||||
|
"rng", NULL);
|
||||||
|
}
|
||||||
|
|
||||||
vdev = virtio_rng_init(&pci_dev->qdev, &proxy->rng);
|
vdev = virtio_rng_init(&pci_dev->qdev, &proxy->rng);
|
||||||
if (!vdev) {
|
if (!vdev) {
|
||||||
return -1;
|
return -1;
|
||||||
|
|
|
@ -13,6 +13,7 @@
|
||||||
#define _QEMU_VIRTIO_RNG_H
|
#define _QEMU_VIRTIO_RNG_H
|
||||||
|
|
||||||
#include "qemu/rng.h"
|
#include "qemu/rng.h"
|
||||||
|
#include "qemu/rng-random.h"
|
||||||
|
|
||||||
/* The Virtio ID for the virtio rng device */
|
/* The Virtio ID for the virtio rng device */
|
||||||
#define VIRTIO_ID_RNG 4
|
#define VIRTIO_ID_RNG 4
|
||||||
|
@ -21,6 +22,7 @@ struct VirtIORNGConf {
|
||||||
RngBackend *rng;
|
RngBackend *rng;
|
||||||
uint64_t max_bytes;
|
uint64_t max_bytes;
|
||||||
uint32_t period_ms;
|
uint32_t period_ms;
|
||||||
|
RndRandom *default_backend;
|
||||||
};
|
};
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
Loading…
Reference in New Issue