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author | Giovanni Cabiddu <giovanni.cabiddu@intel.com> | 2016-10-21 13:19:47 +0100 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-10-25 11:08:30 +0800 |
commit | 2ebda74fd6c9d3fc3b9f0234fc519795e23025a5 (patch) | |
tree | fa44f5f8efdcf0a69b9a91673753a36067ecc9f5 /include/crypto/internal | |
parent | c8d283ff8b0b6b2061dfc137afd6c56608a34bcb (diff) | |
download | linux-2ebda74fd6c9d3fc3b9f0234fc519795e23025a5.tar.bz2 |
crypto: acomp - add asynchronous compression api
Add acomp, an asynchronous compression api that uses scatterlist
buffers.
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/internal')
-rw-r--r-- | include/crypto/internal/acompress.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/crypto/internal/acompress.h b/include/crypto/internal/acompress.h new file mode 100644 index 000000000000..a9a9000d1aea --- /dev/null +++ b/include/crypto/internal/acompress.h @@ -0,0 +1,66 @@ +/* + * Asynchronous Compression operations + * + * Copyright (c) 2016, Intel Corporation + * Authors: Weigang Li <weigang.li@intel.com> + * Giovanni Cabiddu <giovanni.cabiddu@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#ifndef _CRYPTO_ACOMP_INT_H +#define _CRYPTO_ACOMP_INT_H +#include <crypto/acompress.h> + +/* + * Transform internal helpers. + */ +static inline void *acomp_request_ctx(struct acomp_req *req) +{ + return req->__ctx; +} + +static inline void *acomp_tfm_ctx(struct crypto_acomp *tfm) +{ + return tfm->base.__crt_ctx; +} + +static inline void acomp_request_complete(struct acomp_req *req, + int err) +{ + req->base.complete(&req->base, err); +} + +static inline const char *acomp_alg_name(struct crypto_acomp *tfm) +{ + return crypto_acomp_tfm(tfm)->__crt_alg->cra_name; +} + +/** + * crypto_register_acomp() -- Register asynchronous compression algorithm + * + * Function registers an implementation of an asynchronous + * compression algorithm + * + * @alg: algorithm definition + * + * Return: zero on success; error code in case of error + */ +int crypto_register_acomp(struct acomp_alg *alg); + +/** + * crypto_unregister_acomp() -- Unregister asynchronous compression algorithm + * + * Function unregisters an implementation of an asynchronous + * compression algorithm + * + * @alg: algorithm definition + * + * Return: zero on success; error code in case of error + */ +int crypto_unregister_acomp(struct acomp_alg *alg); + +#endif |