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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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2 | /* |
3 | * Asynchronous Compression operations | |
4 | * | |
5 | * Copyright (c) 2016, Intel Corporation | |
6 | * Authors: Weigang Li <weigang.li@intel.com> | |
7 | * Giovanni Cabiddu <giovanni.cabiddu@intel.com> | |
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8 | */ |
9 | #ifndef _CRYPTO_ACOMP_INT_H | |
10 | #define _CRYPTO_ACOMP_INT_H | |
11 | #include <crypto/acompress.h> | |
12 | ||
13 | /* | |
14 | * Transform internal helpers. | |
15 | */ | |
16 | static inline void *acomp_request_ctx(struct acomp_req *req) | |
17 | { | |
18 | return req->__ctx; | |
19 | } | |
20 | ||
21 | static inline void *acomp_tfm_ctx(struct crypto_acomp *tfm) | |
22 | { | |
23 | return tfm->base.__crt_ctx; | |
24 | } | |
25 | ||
26 | static inline void acomp_request_complete(struct acomp_req *req, | |
27 | int err) | |
28 | { | |
29 | req->base.complete(&req->base, err); | |
30 | } | |
31 | ||
32 | static inline const char *acomp_alg_name(struct crypto_acomp *tfm) | |
33 | { | |
34 | return crypto_acomp_tfm(tfm)->__crt_alg->cra_name; | |
35 | } | |
36 | ||
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37 | static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm) |
38 | { | |
39 | struct acomp_req *req; | |
40 | ||
41 | req = kzalloc(sizeof(*req) + crypto_acomp_reqsize(tfm), GFP_KERNEL); | |
42 | if (likely(req)) | |
43 | acomp_request_set_tfm(req, tfm); | |
44 | return req; | |
45 | } | |
46 | ||
47 | static inline void __acomp_request_free(struct acomp_req *req) | |
48 | { | |
49 | kzfree(req); | |
50 | } | |
51 | ||
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52 | /** |
53 | * crypto_register_acomp() -- Register asynchronous compression algorithm | |
54 | * | |
55 | * Function registers an implementation of an asynchronous | |
56 | * compression algorithm | |
57 | * | |
58 | * @alg: algorithm definition | |
59 | * | |
60 | * Return: zero on success; error code in case of error | |
61 | */ | |
62 | int crypto_register_acomp(struct acomp_alg *alg); | |
63 | ||
64 | /** | |
65 | * crypto_unregister_acomp() -- Unregister asynchronous compression algorithm | |
66 | * | |
67 | * Function unregisters an implementation of an asynchronous | |
68 | * compression algorithm | |
69 | * | |
70 | * @alg: algorithm definition | |
71 | * | |
72 | * Return: zero on success; error code in case of error | |
73 | */ | |
74 | int crypto_unregister_acomp(struct acomp_alg *alg); | |
75 | ||
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76 | int crypto_register_acomps(struct acomp_alg *algs, int count); |
77 | void crypto_unregister_acomps(struct acomp_alg *algs, int count); | |
78 | ||
2ebda74f | 79 | #endif |