/*
   * Copyright (C) 2016 The Android Open Source Project
   * Copyright NXP 2018
   *
   * Permission is hereby granted, free of charge, to any person
   * obtaining a copy of this software and associated documentation
   * files (the "Software"), to deal in the Software without
   * restriction, including without limitation the rights to use, copy,
   * modify, merge, publish, distribute, sublicense, and/or sell copies
   * of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   */
  
  #ifndef TRUSTY_HWCRYPTO_H_
  #define TRUSTY_HWCRYPTO_H_
  
  #include <trusty/sysdeps.h>
  #include <trusty/trusty_ipc.h>
  #include <interface/hwcrypto/hwcrypto.h>
  
  /*
   * Initialize HWCRYPTO TIPC client. Returns one of trusty_err.
   *
   * @dev: initialized with trusty_ipc_dev_create
   */
  int hwcrypto_tipc_init(struct trusty_ipc_dev *dev);
  /*
   * Shutdown HWCRYPTO TIPC client.
   *
   * @dev: initialized with trusty_ipc_dev_create
   */
  void hwcrypto_tipc_shutdown(struct trusty_ipc_dev *dev);
  /*
   * Send request to secure side to calculate sha256 hash with caam.
   * Returns one of trusty_err.
   *
   * @in_addr:   start address of the input buf
   * @in_len:    size of the input buf
   * @out_addr:  start address of the output buf
   * @out_len:   size of the output buf
   * @algo:      hash algorithm type expect to use
   */
  int hwcrypto_hash(uint32_t in_addr, uint32_t in_len, uint32_t out_addr,
                    uint32_t out_len, enum hwcrypto_hash_algo algo);

  /*
   * Send request to secure side to generate blob with caam.
   * Returns one of trusty_err.
   *
   * @plain_pa:   physical start address of the plain blob buffer.
   * @plain_size: size of the plain blob buffer.
   * @blob_pa:    physical start address of the generated blob buffer.
   */
  int hwcrypto_gen_blob(uint32_t plain_pa,
                        uint32_t plain_size, uint32_t blob_pa);

  
  /* Send request to secure side to generate rng with caam.
   * Returns one of trusty_err.
   *
   * @buf: physical start address of the output rng buf.
   * @len: size of required rng.
   * */
  int hwcrypto_gen_rng(uint32_t buf, uint32_t len);

  #endif /* TRUSTY_HWCRYPTO_H_ */