12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 22589ad84SCorentin LABBE /* 32589ad84SCorentin LABBE * Crypto engine API 42589ad84SCorentin LABBE * 52589ad84SCorentin LABBE * Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org> 62589ad84SCorentin LABBE */ 72589ad84SCorentin LABBE #ifndef _CRYPTO_ENGINE_H 82589ad84SCorentin LABBE #define _CRYPTO_ENGINE_H 92589ad84SCorentin LABBE 10*e5e7eb02SHerbert Xu #include <crypto/aead.h> 11*e5e7eb02SHerbert Xu #include <crypto/akcipher.h> 12*e5e7eb02SHerbert Xu #include <crypto/hash.h> 13*e5e7eb02SHerbert Xu #include <crypto/kpp.h> 14*e5e7eb02SHerbert Xu #include <crypto/skcipher.h> 15244d22ffSAndy Shevchenko #include <linux/types.h> 16244d22ffSAndy Shevchenko 17c1091e2bSHerbert Xu struct crypto_engine; 18244d22ffSAndy Shevchenko struct device; 19244d22ffSAndy Shevchenko 20218d1cc1SCorentin LABBE /* 21218d1cc1SCorentin LABBE * struct crypto_engine_op - crypto hardware engine operations 22218d1cc1SCorentin LABBE * @do_one_request: do encryption for current request 23218d1cc1SCorentin LABBE */ 24218d1cc1SCorentin LABBE struct crypto_engine_op { 25218d1cc1SCorentin LABBE int (*do_one_request)(struct crypto_engine *engine, 26218d1cc1SCorentin LABBE void *areq); 27218d1cc1SCorentin LABBE }; 28218d1cc1SCorentin LABBE 29*e5e7eb02SHerbert Xu struct aead_engine_alg { 30*e5e7eb02SHerbert Xu struct aead_alg base; 31*e5e7eb02SHerbert Xu struct crypto_engine_op op; 32*e5e7eb02SHerbert Xu }; 33*e5e7eb02SHerbert Xu 34*e5e7eb02SHerbert Xu struct ahash_engine_alg { 35*e5e7eb02SHerbert Xu struct ahash_alg base; 36*e5e7eb02SHerbert Xu struct crypto_engine_op op; 37*e5e7eb02SHerbert Xu }; 38*e5e7eb02SHerbert Xu 39*e5e7eb02SHerbert Xu struct akcipher_engine_alg { 40*e5e7eb02SHerbert Xu struct akcipher_alg base; 41*e5e7eb02SHerbert Xu struct crypto_engine_op op; 42*e5e7eb02SHerbert Xu }; 43*e5e7eb02SHerbert Xu 44*e5e7eb02SHerbert Xu struct kpp_engine_alg { 45*e5e7eb02SHerbert Xu struct kpp_alg base; 46*e5e7eb02SHerbert Xu struct crypto_engine_op op; 47*e5e7eb02SHerbert Xu }; 48*e5e7eb02SHerbert Xu 49*e5e7eb02SHerbert Xu struct skcipher_engine_alg { 50*e5e7eb02SHerbert Xu struct skcipher_alg base; 51*e5e7eb02SHerbert Xu struct crypto_engine_op op; 52*e5e7eb02SHerbert Xu }; 53*e5e7eb02SHerbert Xu 54218d1cc1SCorentin LABBE int crypto_transfer_aead_request_to_engine(struct crypto_engine *engine, 55218d1cc1SCorentin LABBE struct aead_request *req); 56218d1cc1SCorentin LABBE int crypto_transfer_akcipher_request_to_engine(struct crypto_engine *engine, 57218d1cc1SCorentin LABBE struct akcipher_request *req); 584cba7cf0SCorentin LABBE int crypto_transfer_hash_request_to_engine(struct crypto_engine *engine, 594cba7cf0SCorentin LABBE struct ahash_request *req); 601730c5aaSPrabhjot Khurana int crypto_transfer_kpp_request_to_engine(struct crypto_engine *engine, 611730c5aaSPrabhjot Khurana struct kpp_request *req); 62218d1cc1SCorentin LABBE int crypto_transfer_skcipher_request_to_engine(struct crypto_engine *engine, 63218d1cc1SCorentin LABBE struct skcipher_request *req); 64218d1cc1SCorentin LABBE void crypto_finalize_aead_request(struct crypto_engine *engine, 65218d1cc1SCorentin LABBE struct aead_request *req, int err); 66218d1cc1SCorentin LABBE void crypto_finalize_akcipher_request(struct crypto_engine *engine, 67218d1cc1SCorentin LABBE struct akcipher_request *req, int err); 684cba7cf0SCorentin LABBE void crypto_finalize_hash_request(struct crypto_engine *engine, 694cba7cf0SCorentin LABBE struct ahash_request *req, int err); 701730c5aaSPrabhjot Khurana void crypto_finalize_kpp_request(struct crypto_engine *engine, 711730c5aaSPrabhjot Khurana struct kpp_request *req, int err); 72218d1cc1SCorentin LABBE void crypto_finalize_skcipher_request(struct crypto_engine *engine, 73218d1cc1SCorentin LABBE struct skcipher_request *req, int err); 742589ad84SCorentin LABBE int crypto_engine_start(struct crypto_engine *engine); 752589ad84SCorentin LABBE int crypto_engine_stop(struct crypto_engine *engine); 762589ad84SCorentin LABBE struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt); 776a89f492SIuliana Prodan struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev, 786a89f492SIuliana Prodan bool retry_support, 798d908226SIuliana Prodan int (*cbk_do_batch)(struct crypto_engine *engine), 806a89f492SIuliana Prodan bool rt, int qlen); 812589ad84SCorentin LABBE int crypto_engine_exit(struct crypto_engine *engine); 822589ad84SCorentin LABBE 83*e5e7eb02SHerbert Xu int crypto_engine_register_aead(struct aead_engine_alg *alg); 84*e5e7eb02SHerbert Xu void crypto_engine_unregister_aead(struct aead_engine_alg *alg); 85*e5e7eb02SHerbert Xu int crypto_engine_register_aeads(struct aead_engine_alg *algs, int count); 86*e5e7eb02SHerbert Xu void crypto_engine_unregister_aeads(struct aead_engine_alg *algs, int count); 87*e5e7eb02SHerbert Xu 88*e5e7eb02SHerbert Xu int crypto_engine_register_ahash(struct ahash_engine_alg *alg); 89*e5e7eb02SHerbert Xu void crypto_engine_unregister_ahash(struct ahash_engine_alg *alg); 90*e5e7eb02SHerbert Xu int crypto_engine_register_ahashes(struct ahash_engine_alg *algs, int count); 91*e5e7eb02SHerbert Xu void crypto_engine_unregister_ahashes(struct ahash_engine_alg *algs, 92*e5e7eb02SHerbert Xu int count); 93*e5e7eb02SHerbert Xu 94*e5e7eb02SHerbert Xu int crypto_engine_register_akcipher(struct akcipher_engine_alg *alg); 95*e5e7eb02SHerbert Xu void crypto_engine_unregister_akcipher(struct akcipher_engine_alg *alg); 96*e5e7eb02SHerbert Xu 97*e5e7eb02SHerbert Xu int crypto_engine_register_kpp(struct kpp_engine_alg *alg); 98*e5e7eb02SHerbert Xu void crypto_engine_unregister_kpp(struct kpp_engine_alg *alg); 99*e5e7eb02SHerbert Xu 100*e5e7eb02SHerbert Xu int crypto_engine_register_skcipher(struct skcipher_engine_alg *alg); 101*e5e7eb02SHerbert Xu void crypto_engine_unregister_skcipher(struct skcipher_engine_alg *alg); 102*e5e7eb02SHerbert Xu int crypto_engine_register_skciphers(struct skcipher_engine_alg *algs, 103*e5e7eb02SHerbert Xu int count); 104*e5e7eb02SHerbert Xu void crypto_engine_unregister_skciphers(struct skcipher_engine_alg *algs, 105*e5e7eb02SHerbert Xu int count); 106*e5e7eb02SHerbert Xu 1072589ad84SCorentin LABBE #endif /* _CRYPTO_ENGINE_H */ 108