]> Git Repo - qemu.git/blob - include/hw/virtio/virtio-rng.h
crypto: add reload for QCryptoTLSCredsClass
[qemu.git] / include / hw / virtio / virtio-rng.h
1 /*
2  * Virtio RNG Support
3  *
4  * Copyright Red Hat, Inc. 2012
5  * Copyright Amit Shah <[email protected]>
6  *
7  * This work is licensed under the terms of the GNU GPL, version 2 or
8  * (at your option) any later version.  See the COPYING file in the
9  * top-level directory.
10  */
11
12 #ifndef QEMU_VIRTIO_RNG_H
13 #define QEMU_VIRTIO_RNG_H
14
15 #include "hw/virtio/virtio.h"
16 #include "sysemu/rng.h"
17 #include "standard-headers/linux/virtio_rng.h"
18 #include "qom/object.h"
19
20 #define TYPE_VIRTIO_RNG "virtio-rng-device"
21 OBJECT_DECLARE_SIMPLE_TYPE(VirtIORNG, VIRTIO_RNG)
22 #define VIRTIO_RNG_GET_PARENT_CLASS(obj) \
23         OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_RNG)
24
25 struct VirtIORNGConf {
26     RngBackend *rng;
27     uint64_t max_bytes;
28     uint32_t period_ms;
29 };
30
31 struct VirtIORNG {
32     VirtIODevice parent_obj;
33
34     /* Only one vq - guest puts buffer(s) on it when it needs entropy */
35     VirtQueue *vq;
36
37     VirtIORNGConf conf;
38
39     RngBackend *rng;
40
41     /* We purposefully don't migrate this state.  The quota will reset on the
42      * destination as a result.  Rate limiting is host state, not guest state.
43      */
44     QEMUTimer *rate_limit_timer;
45     int64_t quota_remaining;
46     bool activate_timer;
47
48     VMChangeStateEntry *vmstate;
49 };
50
51 #endif
This page took 0.027176 seconds and 4 git commands to generate.