drivers/crypto/ccree/cc_request_mgr.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2012-2018 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__*/