drivers/staging/ccree/ssi_fips_local.h

   1 /*
   2  * Copyright (C) 2012-2017 ARM Limited or its affiliates.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #ifndef __SSI_FIPS_LOCAL_H__
  18 #define __SSI_FIPS_LOCAL_H__
  19
  20
  21 #ifdef CONFIG_CCX7REE_FIPS_SUPPORT
  22
  23 #include "ssi_fips.h"
  24 struct ssi_drvdata;
  25
  26 // IG - how to make 1 file for TEE and REE
  27 typedef enum CC_FipsSyncStatus{
  28         CC_FIPS_SYNC_MODULE_OK          = 0x0,
  29         CC_FIPS_SYNC_MODULE_ERROR       = 0x1,
  30         CC_FIPS_SYNC_REE_STATUS         = 0x4,
  31         CC_FIPS_SYNC_TEE_STATUS         = 0x8,
  32         CC_FIPS_SYNC_STATUS_RESERVE32B  = S32_MAX
  33 }CCFipsSyncStatus_t;
  34
  35
  36 #define CHECK_AND_RETURN_UPON_FIPS_ERROR() {\
  37         if (ssi_fips_check_fips_error() != 0) {\
  38                 return -ENOEXEC;\
  39         }\
  40 }
  41 #define CHECK_AND_RETURN_VOID_UPON_FIPS_ERROR() {\
  42         if (ssi_fips_check_fips_error() != 0) {\
  43                 return;\
  44         }\
  45 }
  46 #define SSI_FIPS_INIT(p_drvData)  (ssi_fips_init(p_drvData))
  47 #define SSI_FIPS_FINI(p_drvData)  (ssi_fips_fini(p_drvData))
  48
  49 #define FIPS_LOG(...)   SSI_LOG(KERN_INFO, __VA_ARGS__)
  50 #define FIPS_DBG(...)   //SSI_LOG(KERN_INFO, __VA_ARGS__)
  51
  52 /* FIPS functions */
  53 int ssi_fips_init(struct ssi_drvdata *p_drvdata);
  54 void ssi_fips_fini(struct ssi_drvdata *drvdata);
  55 int ssi_fips_check_fips_error(void);
  56 int ssi_fips_set_error(struct ssi_drvdata *p_drvdata, ssi_fips_error_t err);
  57 void fips_handler(struct ssi_drvdata *drvdata);
  58
  59 #else  /* CONFIG_CC7XXREE_FIPS_SUPPORT */
  60
  61 #define CHECK_AND_RETURN_UPON_FIPS_ERROR()
  62 #define CHECK_AND_RETURN_VOID_UPON_FIPS_ERROR()
  63
  64 static inline int ssi_fips_init(struct ssi_drvdata *p_drvdata)
  65 {
  66         return 0;
  67 }
  68
  69 static inline void ssi_fips_fini(struct ssi_drvdata *drvdata) {}
  70
  71 void fips_handler(struct ssi_drvdata *drvdata);
  72
  73 #endif  /* CONFIG_CC7XXREE_FIPS_SUPPORT */
  74
  75
  76 #endif  /*__SSI_FIPS_LOCAL_H__*/
  77