drivers/staging/sep/sep_driver_config.h

   1 /*
   2  *
   3  *  sep_driver_config.h - Security Processor Driver configuration
   4  *
   5  *  Copyright(c) 2009,2010 Intel Corporation. All rights reserved.
   6  *  Contributions(c) 2009,2010 Discretix. All rights reserved.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License as published by the Free
  10  *  Software Foundation; version 2 of the License.
  11  *
  12  *  This program is distributed in the hope that it will be useful, but WITHOUT
  13  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  15  *  more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License along with
  18  *  this program; if not, write to the Free Software Foundation, Inc., 59
  19  *  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  20  *
  21  *  CONTACTS:
  22  *
  23  *  Mark Allyn          mark.a.allyn@intel.com
  24  *  Jayant Mangalampalli jayant.mangalampalli@intel.com
  25  *
  26  *  CHANGES:
  27  *
  28  *  2010.06.26  Upgrade to Medfield
  29  *
  30  */
  31
  32 #ifndef __SEP_DRIVER_CONFIG_H__
  33 #define __SEP_DRIVER_CONFIG_H__
  34
  35
  36 /*--------------------------------------
  37   DRIVER CONFIGURATION FLAGS
  38   -------------------------------------*/
  39
  40 /* if flag is on , then the driver is running in polling and
  41         not interrupt mode */
  42 #define SEP_DRIVER_POLLING_MODE                         0
  43
  44 /* flag which defines if the shared area address should be
  45         reconfiged (send to SEP anew) during init of the driver */
  46 #define SEP_DRIVER_RECONFIG_MESSAGE_AREA                0
  47
  48 /* the mode for running on the ARM1172 Evaluation platform (flag is 1) */
  49 #define SEP_DRIVER_ARM_DEBUG_MODE                       0
  50
  51 /*-------------------------------------------
  52         INTERNAL DATA CONFIGURATION
  53         -------------------------------------------*/
  54
  55 /* flag for the input array */
  56 #define SEP_DRIVER_IN_FLAG                              0
  57
  58 /* flag for output array */
  59 #define SEP_DRIVER_OUT_FLAG                             1
  60
  61 /* maximum number of entries in one LLI tables */
  62 #define SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP             31
  63
  64 /* minimum data size of the MLLI table */
  65 #define SEP_DRIVER_MIN_DATA_SIZE_PER_TABLE              16
  66
  67 /* flag that signifies tah the lock is
  68 currently held by the proccess (struct file) */
  69 #define SEP_DRIVER_OWN_LOCK_FLAG                        1
  70
  71 /* flag that signifies tah the lock is currently NOT
  72 held by the proccess (struct file) */
  73 #define SEP_DRIVER_DISOWN_LOCK_FLAG                     0
  74
  75 /* indicates whether driver has mapped/unmapped shared area */
  76 #define SEP_REQUEST_DAEMON_MAPPED 1
  77 #define SEP_REQUEST_DAEMON_UNMAPPED 0
  78
  79 /*--------------------------------------------------------
  80         SHARED AREA  memory total size is 36K
  81         it is divided is following:
  82
  83         SHARED_MESSAGE_AREA                     8K         }
  84                                                                         }
  85         STATIC_POOL_AREA                        4K         } MAPPED AREA ( 24 K)
  86                                                                         }
  87         DATA_POOL_AREA                          12K        }
  88
  89         SYNCHRONIC_DMA_TABLES_AREA              5K
  90
  91         placeholder until drver changes
  92         FLOW_DMA_TABLES_AREA                    4K
  93
  94         SYSTEM_MEMORY_AREA                      3k
  95
  96         SYSTEM_MEMORY total size is 3k
  97         it is divided as following:
  98
  99         TIME_MEMORY_AREA                     8B
 100 -----------------------------------------------------------*/
 101
 102 #define SEP_DEV_NAME "sep_sec_driver"
 103 #define SEP_DEV_SINGLETON "sep_sec_singleton_driver"
 104 #define SEP_DEV_DAEMON "sep_req_daemon_driver"
 105
 106
 107 /*
 108         the maximum length of the message - the rest of the message shared
 109         area will be dedicated to the dma lli tables
 110 */
 111 #define SEP_DRIVER_MAX_MESSAGE_SIZE_IN_BYTES                    (8 * 1024)
 112
 113 /* the size of the message shared area in pages */
 114 #define SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES            (8 * 1024)
 115
 116 /* the size of the data pool static area in pages */
 117 #define SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES                    (4 * 1024)
 118
 119 /* the size of the data pool shared area size in pages */
 120 #define SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES          (16 * 1024)
 121
 122 /* the size of the message shared area in pages */
 123 #define SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES   (1024 * 5)
 124
 125 /* Placeholder until driver changes */
 126 #define SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES           (1024 * 4)
 127
 128 /* system data (time, caller id etc') pool */
 129 #define SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES             (1024 * 3)
 130
 131 /* the size in bytes of the time memory */
 132 #define SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES                    8
 133
 134 /* the size in bytes of the RAR parameters memory */
 135 #define SEP_DRIVER_SYSTEM_RAR_MEMORY_SIZE_IN_BYTES              8
 136
 137 /* area size that is mapped  - we map the MESSAGE AREA, STATIC POOL and
 138         DATA POOL areas. area must be module 4k */
 139 #define SEP_DRIVER_MMMAP_AREA_SIZE                              (1024 * 28)
 140
 141 /*-----------------------------------------------
 142         offsets of the areas starting from the shared area start address
 143 */
 144
 145 /* message area offset */
 146 #define SEP_DRIVER_MESSAGE_AREA_OFFSET_IN_BYTES                 0
 147
 148 /* static pool area offset */
 149 #define SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES \
 150         (SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES)
 151
 152 /* data pool area offset */
 153 #define SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES \
 154         (SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES + \
 155         SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES)
 156
 157 /* synhronic dma tables area offset */
 158 #define SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES \
 159         (SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES + \
 160         SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES)
 161
 162 /* system memory offset in bytes */
 163 #define SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES \
 164         (SYNCHRONIC_DMA_TABLES_AREA_OFFSET_BYTES + \
 165         SYNCHRONIC_DMA_TABLES_AREA_SIZE_BYTES)
 166
 167 /* offset of the time area */
 168 #define SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES \
 169         (SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES)
 170
 171 /* offset of the RAR area */
 172 #define SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES \
 173         (SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES + \
 174         SEP_DRIVER_TIME_MEMORY_SIZE_IN_BYTES)
 175
 176 /* offset of the caller id area */
 177 #define SEP_CALLER_ID_OFFSET_BYTES \
 178         (SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES + \
 179     SEP_DRIVER_SYSTEM_RAR_MEMORY_SIZE_IN_BYTES)
 180
 181 /* offset of the DCB area */
 182 #define SEP_DRIVER_SYSTEM_DCB_MEMORY_OFFSET_IN_BYTES \
 183         (SEP_DRIVER_SYSTEM_DATA_MEMORY_OFFSET_IN_BYTES + \
 184         0x400)
 185
 186 /* offset of the ext cache area */
 187 #define SEP_DRIVER_SYSTEM_EXT_CACHE_ADDR_OFFSET_IN_BYTES \
 188         SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES
 189
 190 /* offset of the allocation data pointer area */
 191 #define SEP_DRIVER_DATA_POOL_ALLOCATION_OFFSET_IN_BYTES \
 192         (SEP_CALLER_ID_OFFSET_BYTES + \
 193         SEP_CALLER_ID_HASH_SIZE_IN_BYTES)
 194
 195 /* the token that defines the start of time address */
 196 #define SEP_TIME_VAL_TOKEN                                    0x12345678
 197
 198 #define FAKE_RAR_SIZE (1024*1024) /* used only for mfld */
 199 /* DEBUG LEVEL MASKS */
 200
 201 /* size of the caller id hash (sha2) */
 202 #define SEP_CALLER_ID_HASH_SIZE_IN_BYTES                      32
 203
 204 /* maximum number of entries in the caller id table */
 205 #define SEP_CALLER_ID_TABLE_NUM_ENTRIES                       20
 206
 207 /* maximum number of symetric operation (that require DMA resource)
 208         per one message */
 209 #define SEP_MAX_NUM_SYNC_DMA_OPS                        16
 210
 211 /* the token that defines the start of time address */
 212 #define SEP_RAR_VAL_TOKEN                                     0xABABABAB
 213
 214 /* ioctl error that should be returned when trying
 215    to realloc the cache/resident second time */
 216 #define SEP_ALREADY_INITIALIZED_ERR                           12
 217
 218 /* bit that locks access to the shared area */
 219 #define SEP_MMAP_LOCK_BIT                                     0
 220
 221 /* bit that lock access to the poll  - after send_command */
 222 #define SEP_SEND_MSG_LOCK_BIT                                 1
 223
 224 /* the token that defines the static pool address address */
 225 #define SEP_STATIC_POOL_VAL_TOKEN                             0xABBAABBA
 226
 227 /* the token that defines the data pool pointers address */
 228 #define SEP_DATA_POOL_POINTERS_VAL_TOKEN                      0xEDDEEDDE
 229
 230 /* the token that defines the data pool pointers address */
 231 #define SEP_EXT_CACHE_ADDR_VAL_TOKEN                          0xBABABABA
 232
 233
 234 #endif /* SEP DRIVER CONFIG */