1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */ 3 4 /* \file cc_request_mgr.h 5 * Request Manager 6 */ 7 8 #ifndef __REQUEST_MGR_H__ 9 #define __REQUEST_MGR_H__ 10 11 #include "cc_hw_queue_defs.h" 12 13 int cc_req_mgr_init(struct cc_drvdata *drvdata); 14 15 /*! 16 * Enqueue caller request to crypto hardware. 17 * 18 * \param drvdata 19 * \param cc_req The request to enqueue 20 * \param desc The crypto sequence 21 * \param len The crypto sequence length 22 * \param is_dout If "true": completion is handled by the caller 23 * If "false": this function adds a dummy descriptor completion 24 * and waits upon completion signal. 25 * 26 * \return int Returns -EINPROGRESS or error 27 */ 28 int cc_send_request(struct cc_drvdata *drvdata, struct cc_crypto_req *cc_req, 29 struct cc_hw_desc *desc, unsigned int len, 30 struct crypto_async_request *req); 31 32 int cc_send_sync_request(struct cc_drvdata *drvdata, 33 struct cc_crypto_req *cc_req, struct cc_hw_desc *desc, 34 unsigned int len); 35 36 int send_request_init(struct cc_drvdata *drvdata, struct cc_hw_desc *desc, 37 unsigned int len); 38 39 void complete_request(struct cc_drvdata *drvdata); 40 41 void cc_req_mgr_fini(struct cc_drvdata *drvdata); 42 43 #if defined(CONFIG_PM) 44 int cc_resume_req_queue(struct cc_drvdata *drvdata); 45 46 int cc_suspend_req_queue(struct cc_drvdata *drvdata); 47 48 bool cc_req_queue_suspended(struct cc_drvdata *drvdata); 49 #endif 50 51 #endif /*__REQUEST_MGR_H__*/ 52