block/export: Add query-block-exports
[qemu.git] / include / hw / virtio / virtio-crypto.h
1 /*
2 * Virtio crypto Support
3 *
4 * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
5 *
6 * Authors:
7 * Gonglei <arei.gonglei@huawei.com>
8 *
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * (at your option) any later version. See the COPYING file in the
11 * top-level directory.
12 */
13
14 #ifndef QEMU_VIRTIO_CRYPTO_H
15 #define QEMU_VIRTIO_CRYPTO_H
16
17 #include "standard-headers/linux/virtio_crypto.h"
18 #include "hw/virtio/virtio.h"
19 #include "sysemu/iothread.h"
20 #include "sysemu/cryptodev.h"
21 #include "qom/object.h"
22
23
24 #define DEBUG_VIRTIO_CRYPTO 0
25
26 #define DPRINTF(fmt, ...) \
27 do { \
28 if (DEBUG_VIRTIO_CRYPTO) { \
29 fprintf(stderr, "virtio_crypto: " fmt, ##__VA_ARGS__); \
30 } \
31 } while (0)
32
33
34 #define TYPE_VIRTIO_CRYPTO "virtio-crypto-device"
35 OBJECT_DECLARE_SIMPLE_TYPE(VirtIOCrypto, VIRTIO_CRYPTO)
36 #define VIRTIO_CRYPTO_GET_PARENT_CLASS(obj) \
37 OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_CRYPTO)
38
39
40 typedef struct VirtIOCryptoConf {
41 CryptoDevBackend *cryptodev;
42
43 /* Supported service mask */
44 uint32_t crypto_services;
45
46 /* Detailed algorithms mask */
47 uint32_t cipher_algo_l;
48 uint32_t cipher_algo_h;
49 uint32_t hash_algo;
50 uint32_t mac_algo_l;
51 uint32_t mac_algo_h;
52 uint32_t aead_algo;
53
54 /* Maximum length of cipher key */
55 uint32_t max_cipher_key_len;
56 /* Maximum length of authenticated key */
57 uint32_t max_auth_key_len;
58 /* Maximum size of each crypto request's content */
59 uint64_t max_size;
60 } VirtIOCryptoConf;
61
62 struct VirtIOCrypto;
63
64 typedef struct VirtIOCryptoReq {
65 VirtQueueElement elem;
66 /* flags of operation, such as type of algorithm */
67 uint32_t flags;
68 struct virtio_crypto_inhdr *in;
69 struct iovec *in_iov; /* Head address of dest iovec */
70 unsigned int in_num; /* Number of dest iovec */
71 size_t in_len;
72 VirtQueue *vq;
73 struct VirtIOCrypto *vcrypto;
74 union {
75 CryptoDevBackendSymOpInfo *sym_op_info;
76 } u;
77 } VirtIOCryptoReq;
78
79 typedef struct VirtIOCryptoQueue {
80 VirtQueue *dataq;
81 QEMUBH *dataq_bh;
82 struct VirtIOCrypto *vcrypto;
83 } VirtIOCryptoQueue;
84
85 struct VirtIOCrypto {
86 VirtIODevice parent_obj;
87
88 VirtQueue *ctrl_vq;
89 VirtIOCryptoQueue *vqs;
90 VirtIOCryptoConf conf;
91 CryptoDevBackend *cryptodev;
92
93 uint32_t max_queues;
94 uint32_t status;
95
96 int multiqueue;
97 uint32_t curr_queues;
98 size_t config_size;
99 uint8_t vhost_started;
100 };
101
102 #endif /* QEMU_VIRTIO_CRYPTO_H */