1 /*- 2 * Copyright (c) 2013 LSI Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the author nor the names of any co-contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 2000-2013 LSI Corporation. 32 * 33 * 34 * Name: mpi2_raid.h 35 * Title: MPI Integrated RAID messages and structures 36 * Creation Date: April 26, 2007 37 * 38 * mpi2_raid.h Version: 02.00.10 39 * 40 * Version History 41 * --------------- 42 * 43 * Date Version Description 44 * -------- -------- ------------------------------------------------------ 45 * 04-30-07 02.00.00 Corresponds to Fusion-MPT MPI Specification Rev A. 46 * 08-31-07 02.00.01 Modifications to RAID Action request and reply, 47 * including the Actions and ActionData. 48 * 02-29-08 02.00.02 Added MPI2_RAID_ACTION_ADATA_DISABL_FULL_REBUILD. 49 * 05-21-08 02.00.03 Added MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS so that 50 * the PhysDisk array in MPI2_RAID_VOLUME_CREATION_STRUCT 51 * can be sized by the build environment. 52 * 07-30-09 02.00.04 Added proper define for the Use Default Settings bit of 53 * VolumeCreationFlags and marked the old one as obsolete. 54 * 05-12-10 02.00.05 Added MPI2_RAID_VOL_FLAGS_OP_MDC define. 55 * 08-24-10 02.00.06 Added MPI2_RAID_ACTION_COMPATIBILITY_CHECK along with 56 * related structures and defines. 57 * Added product-specific range to RAID Action values. 58 * 11-18-11 02.00.07 Incorporating additions for MPI v2.5. 59 * 02-06-12 02.00.08 Added MPI2_RAID_ACTION_PHYSDISK_HIDDEN. 60 * 07-26-12 02.00.09 Added ElapsedSeconds field to MPI2_RAID_VOL_INDICATOR. 61 * Added MPI2_RAID_VOL_FLAGS_ELAPSED_SECONDS_VALID define. 62 * 04-17-13 02.00.10 Added MPI25_RAID_ACTION_ADATA_ALLOW_PI. 63 * -------------------------------------------------------------------------- 64 */ 65 66 #ifndef MPI2_RAID_H 67 #define MPI2_RAID_H 68 69 /***************************************************************************** 70 * 71 * Integrated RAID Messages 72 * 73 *****************************************************************************/ 74 75 /**************************************************************************** 76 * RAID Action messages 77 ****************************************************************************/ 78 79 /* ActionDataWord defines for use with MPI2_RAID_ACTION_CREATE_VOLUME action */ 80 #define MPI25_RAID_ACTION_ADATA_ALLOW_PI (0x80000000) 81 82 /* ActionDataWord defines for use with MPI2_RAID_ACTION_DELETE_VOLUME action */ 83 #define MPI2_RAID_ACTION_ADATA_KEEP_LBA0 (0x00000000) 84 #define MPI2_RAID_ACTION_ADATA_ZERO_LBA0 (0x00000001) 85 86 /* use MPI2_RAIDVOL0_SETTING_ defines from mpi2_cnfg.h for MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE action */ 87 88 /* ActionDataWord defines for use with MPI2_RAID_ACTION_DISABLE_ALL_VOLUMES action */ 89 #define MPI2_RAID_ACTION_ADATA_DISABL_FULL_REBUILD (0x00000001) 90 91 /* ActionDataWord for MPI2_RAID_ACTION_SET_RAID_FUNCTION_RATE Action */ 92 typedef struct _MPI2_RAID_ACTION_RATE_DATA 93 { 94 U8 RateToChange; /* 0x00 */ 95 U8 RateOrMode; /* 0x01 */ 96 U16 DataScrubDuration; /* 0x02 */ 97 } MPI2_RAID_ACTION_RATE_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_RATE_DATA, 98 Mpi2RaidActionRateData_t, MPI2_POINTER pMpi2RaidActionRateData_t; 99 100 #define MPI2_RAID_ACTION_SET_RATE_RESYNC (0x00) 101 #define MPI2_RAID_ACTION_SET_RATE_DATA_SCRUB (0x01) 102 #define MPI2_RAID_ACTION_SET_RATE_POWERSAVE_MODE (0x02) 103 104 /* ActionDataWord for MPI2_RAID_ACTION_START_RAID_FUNCTION Action */ 105 typedef struct _MPI2_RAID_ACTION_START_RAID_FUNCTION 106 { 107 U8 RAIDFunction; /* 0x00 */ 108 U8 Flags; /* 0x01 */ 109 U16 Reserved1; /* 0x02 */ 110 } MPI2_RAID_ACTION_START_RAID_FUNCTION, 111 MPI2_POINTER PTR_MPI2_RAID_ACTION_START_RAID_FUNCTION, 112 Mpi2RaidActionStartRaidFunction_t, 113 MPI2_POINTER pMpi2RaidActionStartRaidFunction_t; 114 115 /* defines for the RAIDFunction field */ 116 #define MPI2_RAID_ACTION_START_BACKGROUND_INIT (0x00) 117 #define MPI2_RAID_ACTION_START_ONLINE_CAP_EXPANSION (0x01) 118 #define MPI2_RAID_ACTION_START_CONSISTENCY_CHECK (0x02) 119 120 /* defines for the Flags field */ 121 #define MPI2_RAID_ACTION_START_NEW (0x00) 122 #define MPI2_RAID_ACTION_START_RESUME (0x01) 123 124 /* ActionDataWord for MPI2_RAID_ACTION_STOP_RAID_FUNCTION Action */ 125 typedef struct _MPI2_RAID_ACTION_STOP_RAID_FUNCTION 126 { 127 U8 RAIDFunction; /* 0x00 */ 128 U8 Flags; /* 0x01 */ 129 U16 Reserved1; /* 0x02 */ 130 } MPI2_RAID_ACTION_STOP_RAID_FUNCTION, 131 MPI2_POINTER PTR_MPI2_RAID_ACTION_STOP_RAID_FUNCTION, 132 Mpi2RaidActionStopRaidFunction_t, 133 MPI2_POINTER pMpi2RaidActionStopRaidFunction_t; 134 135 /* defines for the RAIDFunction field */ 136 #define MPI2_RAID_ACTION_STOP_BACKGROUND_INIT (0x00) 137 #define MPI2_RAID_ACTION_STOP_ONLINE_CAP_EXPANSION (0x01) 138 #define MPI2_RAID_ACTION_STOP_CONSISTENCY_CHECK (0x02) 139 140 /* defines for the Flags field */ 141 #define MPI2_RAID_ACTION_STOP_ABORT (0x00) 142 #define MPI2_RAID_ACTION_STOP_PAUSE (0x01) 143 144 /* ActionDataWord for MPI2_RAID_ACTION_CREATE_HOT_SPARE Action */ 145 typedef struct _MPI2_RAID_ACTION_HOT_SPARE 146 { 147 U8 HotSparePool; /* 0x00 */ 148 U8 Reserved1; /* 0x01 */ 149 U16 DevHandle; /* 0x02 */ 150 } MPI2_RAID_ACTION_HOT_SPARE, MPI2_POINTER PTR_MPI2_RAID_ACTION_HOT_SPARE, 151 Mpi2RaidActionHotSpare_t, MPI2_POINTER pMpi2RaidActionHotSpare_t; 152 153 /* ActionDataWord for MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE Action */ 154 typedef struct _MPI2_RAID_ACTION_FW_UPDATE_MODE 155 { 156 U8 Flags; /* 0x00 */ 157 U8 DeviceFirmwareUpdateModeTimeout; /* 0x01 */ 158 U16 Reserved1; /* 0x02 */ 159 } MPI2_RAID_ACTION_FW_UPDATE_MODE, 160 MPI2_POINTER PTR_MPI2_RAID_ACTION_FW_UPDATE_MODE, 161 Mpi2RaidActionFwUpdateMode_t, MPI2_POINTER pMpi2RaidActionFwUpdateMode_t; 162 163 /* ActionDataWord defines for use with MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE action */ 164 #define MPI2_RAID_ACTION_ADATA_DISABLE_FW_UPDATE (0x00) 165 #define MPI2_RAID_ACTION_ADATA_ENABLE_FW_UPDATE (0x01) 166 167 typedef union _MPI2_RAID_ACTION_DATA 168 { 169 U32 Word; 170 MPI2_RAID_ACTION_RATE_DATA Rates; 171 MPI2_RAID_ACTION_START_RAID_FUNCTION StartRaidFunction; 172 MPI2_RAID_ACTION_STOP_RAID_FUNCTION StopRaidFunction; 173 MPI2_RAID_ACTION_HOT_SPARE HotSpare; 174 MPI2_RAID_ACTION_FW_UPDATE_MODE FwUpdateMode; 175 } MPI2_RAID_ACTION_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_DATA, 176 Mpi2RaidActionData_t, MPI2_POINTER pMpi2RaidActionData_t; 177 178 179 /* RAID Action Request Message */ 180 typedef struct _MPI2_RAID_ACTION_REQUEST 181 { 182 U8 Action; /* 0x00 */ 183 U8 Reserved1; /* 0x01 */ 184 U8 ChainOffset; /* 0x02 */ 185 U8 Function; /* 0x03 */ 186 U16 VolDevHandle; /* 0x04 */ 187 U8 PhysDiskNum; /* 0x06 */ 188 U8 MsgFlags; /* 0x07 */ 189 U8 VP_ID; /* 0x08 */ 190 U8 VF_ID; /* 0x09 */ 191 U16 Reserved2; /* 0x0A */ 192 U32 Reserved3; /* 0x0C */ 193 MPI2_RAID_ACTION_DATA ActionDataWord; /* 0x10 */ 194 MPI2_SGE_SIMPLE_UNION ActionDataSGE; /* 0x14 */ 195 } MPI2_RAID_ACTION_REQUEST, MPI2_POINTER PTR_MPI2_RAID_ACTION_REQUEST, 196 Mpi2RaidActionRequest_t, MPI2_POINTER pMpi2RaidActionRequest_t; 197 198 /* RAID Action request Action values */ 199 200 #define MPI2_RAID_ACTION_INDICATOR_STRUCT (0x01) 201 #define MPI2_RAID_ACTION_CREATE_VOLUME (0x02) 202 #define MPI2_RAID_ACTION_DELETE_VOLUME (0x03) 203 #define MPI2_RAID_ACTION_DISABLE_ALL_VOLUMES (0x04) 204 #define MPI2_RAID_ACTION_ENABLE_ALL_VOLUMES (0x05) 205 #define MPI2_RAID_ACTION_PHYSDISK_OFFLINE (0x0A) 206 #define MPI2_RAID_ACTION_PHYSDISK_ONLINE (0x0B) 207 #define MPI2_RAID_ACTION_FAIL_PHYSDISK (0x0F) 208 #define MPI2_RAID_ACTION_ACTIVATE_VOLUME (0x11) 209 #define MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE (0x15) 210 #define MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE (0x17) 211 #define MPI2_RAID_ACTION_SET_VOLUME_NAME (0x18) 212 #define MPI2_RAID_ACTION_SET_RAID_FUNCTION_RATE (0x19) 213 #define MPI2_RAID_ACTION_ENABLE_FAILED_VOLUME (0x1C) 214 #define MPI2_RAID_ACTION_CREATE_HOT_SPARE (0x1D) 215 #define MPI2_RAID_ACTION_DELETE_HOT_SPARE (0x1E) 216 #define MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED (0x20) 217 #define MPI2_RAID_ACTION_START_RAID_FUNCTION (0x21) 218 #define MPI2_RAID_ACTION_STOP_RAID_FUNCTION (0x22) 219 #define MPI2_RAID_ACTION_COMPATIBILITY_CHECK (0x23) 220 #define MPI2_RAID_ACTION_PHYSDISK_HIDDEN (0x24) 221 #define MPI2_RAID_ACTION_MIN_PRODUCT_SPECIFIC (0x80) 222 #define MPI2_RAID_ACTION_MAX_PRODUCT_SPECIFIC (0xFF) 223 224 225 /* RAID Volume Creation Structure */ 226 227 /* 228 * The following define can be customized for the targeted product. 229 */ 230 #ifndef MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS 231 #define MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS (1) 232 #endif 233 234 typedef struct _MPI2_RAID_VOLUME_PHYSDISK 235 { 236 U8 RAIDSetNum; /* 0x00 */ 237 U8 PhysDiskMap; /* 0x01 */ 238 U16 PhysDiskDevHandle; /* 0x02 */ 239 } MPI2_RAID_VOLUME_PHYSDISK, MPI2_POINTER PTR_MPI2_RAID_VOLUME_PHYSDISK, 240 Mpi2RaidVolumePhysDisk_t, MPI2_POINTER pMpi2RaidVolumePhysDisk_t; 241 242 /* defines for the PhysDiskMap field */ 243 #define MPI2_RAIDACTION_PHYSDISK_PRIMARY (0x01) 244 #define MPI2_RAIDACTION_PHYSDISK_SECONDARY (0x02) 245 246 typedef struct _MPI2_RAID_VOLUME_CREATION_STRUCT 247 { 248 U8 NumPhysDisks; /* 0x00 */ 249 U8 VolumeType; /* 0x01 */ 250 U16 Reserved1; /* 0x02 */ 251 U32 VolumeCreationFlags; /* 0x04 */ 252 U32 VolumeSettings; /* 0x08 */ 253 U8 Reserved2; /* 0x0C */ 254 U8 ResyncRate; /* 0x0D */ 255 U16 DataScrubDuration; /* 0x0E */ 256 U64 VolumeMaxLBA; /* 0x10 */ 257 U32 StripeSize; /* 0x18 */ 258 U8 Name[16]; /* 0x1C */ 259 MPI2_RAID_VOLUME_PHYSDISK PhysDisk[MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS];/* 0x2C */ 260 } MPI2_RAID_VOLUME_CREATION_STRUCT, 261 MPI2_POINTER PTR_MPI2_RAID_VOLUME_CREATION_STRUCT, 262 Mpi2RaidVolumeCreationStruct_t, MPI2_POINTER pMpi2RaidVolumeCreationStruct_t; 263 264 /* use MPI2_RAID_VOL_TYPE_ defines from mpi2_cnfg.h for VolumeType */ 265 266 /* defines for the VolumeCreationFlags field */ 267 #define MPI2_RAID_VOL_CREATION_DEFAULT_SETTINGS (0x80000000) 268 #define MPI2_RAID_VOL_CREATION_BACKGROUND_INIT (0x00000004) /* MPI 2.0 only */ 269 #define MPI2_RAID_VOL_CREATION_LOW_LEVEL_INIT (0x00000002) 270 #define MPI2_RAID_VOL_CREATION_MIGRATE_DATA (0x00000001) 271 /* The following is an obsolete define. 272 * It must be shifted left 24 bits in order to set the proper bit. 273 */ 274 #define MPI2_RAID_VOL_CREATION_USE_DEFAULT_SETTINGS (0x80) 275 276 277 /* RAID Online Capacity Expansion Structure */ 278 279 typedef struct _MPI2_RAID_ONLINE_CAPACITY_EXPANSION 280 { 281 U32 Flags; /* 0x00 */ 282 U16 DevHandle0; /* 0x04 */ 283 U16 Reserved1; /* 0x06 */ 284 U16 DevHandle1; /* 0x08 */ 285 U16 Reserved2; /* 0x0A */ 286 } MPI2_RAID_ONLINE_CAPACITY_EXPANSION, 287 MPI2_POINTER PTR_MPI2_RAID_ONLINE_CAPACITY_EXPANSION, 288 Mpi2RaidOnlineCapacityExpansion_t, 289 MPI2_POINTER pMpi2RaidOnlineCapacityExpansion_t; 290 291 292 /* RAID Compatibility Input Structure */ 293 294 typedef struct _MPI2_RAID_COMPATIBILITY_INPUT_STRUCT 295 { 296 U16 SourceDevHandle; /* 0x00 */ 297 U16 CandidateDevHandle; /* 0x02 */ 298 U32 Flags; /* 0x04 */ 299 U32 Reserved1; /* 0x08 */ 300 U32 Reserved2; /* 0x0C */ 301 } MPI2_RAID_COMPATIBILITY_INPUT_STRUCT, 302 MPI2_POINTER PTR_MPI2_RAID_COMPATIBILITY_INPUT_STRUCT, 303 Mpi2RaidCompatibilityInputStruct_t, 304 MPI2_POINTER pMpi2RaidCompatibilityInputStruct_t; 305 306 /* defines for RAID Compatibility Structure Flags field */ 307 #define MPI2_RAID_COMPAT_SOURCE_IS_VOLUME_FLAG (0x00000002) 308 #define MPI2_RAID_COMPAT_REPORT_SOURCE_INFO_FLAG (0x00000001) 309 310 311 /* RAID Volume Indicator Structure */ 312 313 typedef struct _MPI2_RAID_VOL_INDICATOR 314 { 315 U64 TotalBlocks; /* 0x00 */ 316 U64 BlocksRemaining; /* 0x08 */ 317 U32 Flags; /* 0x10 */ 318 U32 ElapsedSeconds; /* 0x14 */ 319 } MPI2_RAID_VOL_INDICATOR, MPI2_POINTER PTR_MPI2_RAID_VOL_INDICATOR, 320 Mpi2RaidVolIndicator_t, MPI2_POINTER pMpi2RaidVolIndicator_t; 321 322 /* defines for RAID Volume Indicator Flags field */ 323 #define MPI2_RAID_VOL_FLAGS_ELAPSED_SECONDS_VALID (0x80000000) 324 325 #define MPI2_RAID_VOL_FLAGS_OP_MASK (0x0000000F) 326 #define MPI2_RAID_VOL_FLAGS_OP_BACKGROUND_INIT (0x00000000) 327 #define MPI2_RAID_VOL_FLAGS_OP_ONLINE_CAP_EXPANSION (0x00000001) 328 #define MPI2_RAID_VOL_FLAGS_OP_CONSISTENCY_CHECK (0x00000002) 329 #define MPI2_RAID_VOL_FLAGS_OP_RESYNC (0x00000003) 330 #define MPI2_RAID_VOL_FLAGS_OP_MDC (0x00000004) 331 332 333 /* RAID Compatibility Result Structure */ 334 335 typedef struct _MPI2_RAID_COMPATIBILITY_RESULT_STRUCT 336 { 337 U8 State; /* 0x00 */ 338 U8 Reserved1; /* 0x01 */ 339 U16 Reserved2; /* 0x02 */ 340 U32 GenericAttributes; /* 0x04 */ 341 U32 OEMSpecificAttributes; /* 0x08 */ 342 U32 Reserved3; /* 0x0C */ 343 U32 Reserved4; /* 0x10 */ 344 } MPI2_RAID_COMPATIBILITY_RESULT_STRUCT, 345 MPI2_POINTER PTR_MPI2_RAID_COMPATIBILITY_RESULT_STRUCT, 346 Mpi2RaidCompatibilityResultStruct_t, 347 MPI2_POINTER pMpi2RaidCompatibilityResultStruct_t; 348 349 /* defines for RAID Compatibility Result Structure State field */ 350 #define MPI2_RAID_COMPAT_STATE_COMPATIBLE (0x00) 351 #define MPI2_RAID_COMPAT_STATE_NOT_COMPATIBLE (0x01) 352 353 /* defines for RAID Compatibility Result Structure GenericAttributes field */ 354 #define MPI2_RAID_COMPAT_GENATTRIB_4K_SECTOR (0x00000010) 355 356 #define MPI2_RAID_COMPAT_GENATTRIB_MEDIA_MASK (0x0000000C) 357 #define MPI2_RAID_COMPAT_GENATTRIB_SOLID_STATE_DRIVE (0x00000008) 358 #define MPI2_RAID_COMPAT_GENATTRIB_HARD_DISK_DRIVE (0x00000004) 359 360 #define MPI2_RAID_COMPAT_GENATTRIB_PROTOCOL_MASK (0x00000003) 361 #define MPI2_RAID_COMPAT_GENATTRIB_SAS_PROTOCOL (0x00000002) 362 #define MPI2_RAID_COMPAT_GENATTRIB_SATA_PROTOCOL (0x00000001) 363 364 365 /* RAID Action Reply ActionData union */ 366 typedef union _MPI2_RAID_ACTION_REPLY_DATA 367 { 368 U32 Word[6]; 369 MPI2_RAID_VOL_INDICATOR RaidVolumeIndicator; 370 U16 VolDevHandle; 371 U8 VolumeState; 372 U8 PhysDiskNum; 373 MPI2_RAID_COMPATIBILITY_RESULT_STRUCT RaidCompatibilityResult; 374 } MPI2_RAID_ACTION_REPLY_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_REPLY_DATA, 375 Mpi2RaidActionReplyData_t, MPI2_POINTER pMpi2RaidActionReplyData_t; 376 377 /* use MPI2_RAIDVOL0_SETTING_ defines from mpi2_cnfg.h for MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE action */ 378 379 380 /* RAID Action Reply Message */ 381 typedef struct _MPI2_RAID_ACTION_REPLY 382 { 383 U8 Action; /* 0x00 */ 384 U8 Reserved1; /* 0x01 */ 385 U8 MsgLength; /* 0x02 */ 386 U8 Function; /* 0x03 */ 387 U16 VolDevHandle; /* 0x04 */ 388 U8 PhysDiskNum; /* 0x06 */ 389 U8 MsgFlags; /* 0x07 */ 390 U8 VP_ID; /* 0x08 */ 391 U8 VF_ID; /* 0x09 */ 392 U16 Reserved2; /* 0x0A */ 393 U16 Reserved3; /* 0x0C */ 394 U16 IOCStatus; /* 0x0E */ 395 U32 IOCLogInfo; /* 0x10 */ 396 MPI2_RAID_ACTION_REPLY_DATA ActionData; /* 0x14 */ 397 } MPI2_RAID_ACTION_REPLY, MPI2_POINTER PTR_MPI2_RAID_ACTION_REPLY, 398 Mpi2RaidActionReply_t, MPI2_POINTER pMpi2RaidActionReply_t; 399 400 401 #endif 402 403