qxl: check release info object
[qemu.git] / crypto / afalgpriv.h
1 /*
2 * QEMU Crypto af_alg support
3 *
4 * Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
5 *
6 * Authors:
7 * Longpeng(Mike) <longpeng2@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 QCRYPTO_AFALGPRIV_H
15 #define QCRYPTO_AFALGPRIV_H
16
17 #include <linux/if_alg.h>
18
19 #define SALG_TYPE_LEN_MAX 14
20 #define SALG_NAME_LEN_MAX 64
21
22 #ifndef SOL_ALG
23 #define SOL_ALG 279
24 #endif
25
26 #define AFALG_TYPE_CIPHER "skcipher"
27 #define AFALG_TYPE_HASH "hash"
28
29 #define ALG_OPTYPE_LEN 4
30 #define ALG_MSGIV_LEN(len) (sizeof(struct af_alg_iv) + (len))
31
32 typedef struct QCryptoAFAlg QCryptoAFAlg;
33
34 struct QCryptoAFAlg {
35 int tfmfd;
36 int opfd;
37 struct msghdr *msg;
38 struct cmsghdr *cmsg;
39 };
40
41 /**
42 * qcrypto_afalg_comm_alloc:
43 * @type: the type of crypto operation
44 * @name: the name of crypto operation
45 *
46 * Allocate a QCryptoAFAlg object and bind itself to
47 * a AF_ALG socket.
48 *
49 * Returns:
50 * a new QCryptoAFAlg object, or NULL in error.
51 */
52 QCryptoAFAlg *
53 qcrypto_afalg_comm_alloc(const char *type, const char *name,
54 Error **errp);
55
56 /**
57 * afalg_comm_free:
58 * @afalg: the QCryptoAFAlg object
59 *
60 * Free the @afalg.
61 */
62 void qcrypto_afalg_comm_free(QCryptoAFAlg *afalg);
63
64 #endif