diff options
| author | Amit Shah <amit.shah@redhat.com> | 2012-06-20 12:29:32 +0530 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2012-11-16 08:36:13 -0600 |
| commit | 16c915ba42b45df7a64a6908287f03bfa3764bed (patch) | |
| tree | 34aa1b0948728b21ddf50d11798aecc654e1c890 /hw/virtio.h | |
| parent | 1da2738f5566263177d09c1b9eaf7cbeeb17e815 (diff) | |
| download | qemu-16c915ba42b45df7a64a6908287f03bfa3764bed.tar.gz | |
virtio-rng: hardware random number generator device
The Linux kernel already has a virtio-rng driver, this is the device
implementation.
When the guest asks for entropy from the virtio hwrng, it puts a buffer
in the vq. We then put entropy into that buffer, and push it back to
the guest.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
aliguori: converted to new RngBackend interface
aliguori: remove entropy needed event
aliguori: fix migration
Diffstat (limited to 'hw/virtio.h')
| -rw-r--r-- | hw/virtio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio.h b/hw/virtio.h index ac482be24c..df8d0f7b69 100644 --- a/hw/virtio.h +++ b/hw/virtio.h @@ -203,6 +203,8 @@ VirtIODevice *virtio_serial_init(DeviceState *dev, virtio_serial_conf *serial); VirtIODevice *virtio_balloon_init(DeviceState *dev); typedef struct VirtIOSCSIConf VirtIOSCSIConf; VirtIODevice *virtio_scsi_init(DeviceState *dev, VirtIOSCSIConf *conf); +typedef struct VirtIORNGConf VirtIORNGConf; +VirtIODevice *virtio_rng_init(DeviceState *dev, VirtIORNGConf *conf); #ifdef CONFIG_LINUX VirtIODevice *virtio_9p_init(DeviceState *dev, V9fsConf *conf); #endif @@ -213,6 +215,7 @@ void virtio_blk_exit(VirtIODevice *vdev); void virtio_serial_exit(VirtIODevice *vdev); void virtio_balloon_exit(VirtIODevice *vdev); void virtio_scsi_exit(VirtIODevice *vdev); +void virtio_rng_exit(VirtIODevice *vdev); #define DEFINE_VIRTIO_COMMON_FEATURES(_state, _field) \ DEFINE_PROP_BIT("indirect_desc", _state, _field, \ |