Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Asynchronous Compression operations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (c) 2016, Intel Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Authors: Weigang Li <weigang.li@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *          Giovanni Cabiddu <giovanni.cabiddu@intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifndef _CRYPTO_ACOMP_INT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define _CRYPTO_ACOMP_INT_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <crypto/acompress.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * Transform internal helpers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) static inline void *acomp_request_ctx(struct acomp_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	return req->__ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static inline void *acomp_tfm_ctx(struct crypto_acomp *tfm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	return tfm->base.__crt_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static inline void acomp_request_complete(struct acomp_req *req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 					  int err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	req->base.complete(&req->base, err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static inline const char *acomp_alg_name(struct crypto_acomp *tfm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	return crypto_acomp_tfm(tfm)->__crt_alg->cra_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static inline struct acomp_req *__acomp_request_alloc(struct crypto_acomp *tfm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	struct acomp_req *req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	req = kzalloc(sizeof(*req) + crypto_acomp_reqsize(tfm), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	if (likely(req))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		acomp_request_set_tfm(req, tfm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	return req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static inline void __acomp_request_free(struct acomp_req *req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	kfree_sensitive(req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)  * crypto_register_acomp() -- Register asynchronous compression algorithm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)  * Function registers an implementation of an asynchronous
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56)  * compression algorithm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)  * @alg:	algorithm definition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)  * Return:	zero on success; error code in case of error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) int crypto_register_acomp(struct acomp_alg *alg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)  * crypto_unregister_acomp() -- Unregister asynchronous compression algorithm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)  * Function unregisters an implementation of an asynchronous
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)  * compression algorithm
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)  * @alg:	algorithm definition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) void crypto_unregister_acomp(struct acomp_alg *alg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int crypto_register_acomps(struct acomp_alg *algs, int count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) void crypto_unregister_acomps(struct acomp_alg *algs, int count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #endif