drivers/crypto/fsl/fsl_hash.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright 2014 Freescale Semiconductor, Inc.
   4  *
   5  */
   6
   7 #ifndef _SHA_H
   8 #define _SHA_H
   9
  10 #include <fsl_sec.h>
  11 #include <hash.h>
  12 #include "jr.h"
  13
  14 /* We support at most 32 Scatter/Gather Entries.*/
  15 #define MAX_SG_32       32
  16
  17 /*
  18  * Hash context contains the following fields
  19  * @sha_desc: Sha Descriptor
  20  * @sg_num: number of entries in sg table
  21  * @len: total length of buffer
  22  * @sg_tbl: sg entry table
  23  * @hash: index to the hash calculated
  24  */
  25 struct sha_ctx {
  26         uint32_t sha_desc[64];
  27         uint32_t sg_num;
  28         uint32_t len;
  29         struct sg_entry sg_tbl[MAX_SG_32];
  30         u8 hash[HASH_MAX_DIGEST_SIZE];
  31 };
  32
  33 #endif