drivers/crypto/ccree/cc_cipher.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2012-2018 ARM Limited or its affiliates. */
   3
   4 /* \file cc_cipher.h
   5  * ARM CryptoCell Cipher Crypto API
   6  */
   7
   8 #ifndef __CC_CIPHER_H__
   9 #define __CC_CIPHER_H__
  10
  11 #include <linux/kernel.h>
  12 #include <crypto/algapi.h>
  13 #include "cc_driver.h"
  14 #include "cc_buffer_mgr.h"
  15
  16 struct cipher_req_ctx {
  17         struct async_gen_req_ctx gen_ctx;
  18         enum cc_req_dma_buf_type dma_buf_type;
  19         u32 in_nents;
  20         u32 in_mlli_nents;
  21         u32 out_nents;
  22         u32 out_mlli_nents;
  23         u8 *backup_info; /*store iv for generated IV flow*/
  24         u8 *iv;
  25         struct mlli_params mlli_params;
  26 };
  27
  28 int cc_cipher_alloc(struct cc_drvdata *drvdata);
  29
  30 int cc_cipher_free(struct cc_drvdata *drvdata);
  31
  32 struct cc_hkey_info {
  33         u16 keylen;
  34         u8 hw_key1;
  35         u8 hw_key2;
  36 } __packed;
  37
  38 #define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info)
  39
  40 #endif /*__CC_CIPHER_H__*/