drivers/crypto/dpaa2_sec/hw/rta/signature_cmd.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
   2  *
   3  * Copyright 2008-2016 Freescale Semiconductor Inc.
   4  * Copyright 2016 NXP
   5  *
   6  */
   7
   8 #ifndef __RTA_SIGNATURE_CMD_H__
   9 #define __RTA_SIGNATURE_CMD_H__
  10
  11 static inline int
  12 rta_signature(struct program *program, uint32_t sign_type)
  13 {
  14         uint32_t opcode = CMD_SIGNATURE;
  15         unsigned int start_pc = program->current_pc;
  16
  17         switch (sign_type) {
  18         case (SIGN_TYPE_FINAL):
  19         case (SIGN_TYPE_FINAL_RESTORE):
  20         case (SIGN_TYPE_FINAL_NONZERO):
  21         case (SIGN_TYPE_IMM_2):
  22         case (SIGN_TYPE_IMM_3):
  23         case (SIGN_TYPE_IMM_4):
  24                 opcode |= sign_type;
  25                 break;
  26         default:
  27                 pr_err("SIGNATURE Command: Invalid type selection\n");
  28                 goto err;
  29         }
  30
  31         __rta_out32(program, opcode);
  32         program->current_instruction++;
  33
  34         return (int)start_pc;
  35
  36  err:
  37         program->first_error_pc = start_pc;
  38         program->current_instruction++;
  39         return -EINVAL;
  40 }
  41
  42 #endif /* __RTA_SIGNATURE_CMD_H__ */