1/*- 2 * Copyright (c) 2012-2015 LSI Corp. 3 * Copyright (c) 2013-2016 Avago Technologies 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the author nor the names of any co-contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD 31 * 32 * $FreeBSD$ 33 */ 34 35/* 36 * Copyright (c) 2000-2015 LSI Corporation. 37 * Copyright (c) 2013-2016 Avago Technologies 38 * All rights reserved. 39 * 40 * 41 * Name: mpi2_raid.h 42 * Title: MPI Integrated RAID messages and structures 43 * Creation Date: April 26, 2007 44 * 45 * mpi2_raid.h Version: 02.00.11 46 * 47 * Version History 48 * --------------- 49 * 50 * Date Version Description 51 * -------- -------- ------------------------------------------------------ 52 * 04-30-07 02.00.00 Corresponds to Fusion-MPT MPI Specification Rev A. 53 * 08-31-07 02.00.01 Modifications to RAID Action request and reply, 54 * including the Actions and ActionData. 55 * 02-29-08 02.00.02 Added MPI2_RAID_ACTION_ADATA_DISABL_FULL_REBUILD. 56 * 05-21-08 02.00.03 Added MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS so that 57 * the PhysDisk array in MPI2_RAID_VOLUME_CREATION_STRUCT 58 * can be sized by the build environment. 59 * 07-30-09 02.00.04 Added proper define for the Use Default Settings bit of 60 * VolumeCreationFlags and marked the old one as obsolete. 61 * 05-12-10 02.00.05 Added MPI2_RAID_VOL_FLAGS_OP_MDC define. 62 * 08-24-10 02.00.06 Added MPI2_RAID_ACTION_COMPATIBILITY_CHECK along with 63 * related structures and defines. 64 * Added product-specific range to RAID Action values. 65 * 11-18-11 02.00.07 Incorporating additions for MPI v2.5. 66 * 02-06-12 02.00.08 Added MPI2_RAID_ACTION_PHYSDISK_HIDDEN. 67 * 07-26-12 02.00.09 Added ElapsedSeconds field to MPI2_RAID_VOL_INDICATOR. 68 * Added MPI2_RAID_VOL_FLAGS_ELAPSED_SECONDS_VALID define. 69 * 04-17-13 02.00.10 Added MPI25_RAID_ACTION_ADATA_ALLOW_PI. 70 * 11-18-14 02.00.11 Updated copyright information. 71 * -------------------------------------------------------------------------- 72 */ 73 74#ifndef MPI2_RAID_H 75#define MPI2_RAID_H 76 77/***************************************************************************** 78* 79* Integrated RAID Messages 80* 81*****************************************************************************/ 82 83/**************************************************************************** 84* RAID Action messages 85****************************************************************************/ 86 87/* ActionDataWord defines for use with MPI2_RAID_ACTION_CREATE_VOLUME action */ 88#define MPI25_RAID_ACTION_ADATA_ALLOW_PI (0x80000000) 89 90/* ActionDataWord defines for use with MPI2_RAID_ACTION_DELETE_VOLUME action */ 91#define MPI2_RAID_ACTION_ADATA_KEEP_LBA0 (0x00000000) 92#define MPI2_RAID_ACTION_ADATA_ZERO_LBA0 (0x00000001) 93 94/* use MPI2_RAIDVOL0_SETTING_ defines from mpi2_cnfg.h for MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE action */ 95 96/* ActionDataWord defines for use with MPI2_RAID_ACTION_DISABLE_ALL_VOLUMES action */ 97#define MPI2_RAID_ACTION_ADATA_DISABL_FULL_REBUILD (0x00000001) 98 99/* ActionDataWord for MPI2_RAID_ACTION_SET_RAID_FUNCTION_RATE Action */ 100typedef struct _MPI2_RAID_ACTION_RATE_DATA 101{ 102 U8 RateToChange; /* 0x00 */ 103 U8 RateOrMode; /* 0x01 */ 104 U16 DataScrubDuration; /* 0x02 */ 105} MPI2_RAID_ACTION_RATE_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_RATE_DATA, 106 Mpi2RaidActionRateData_t, MPI2_POINTER pMpi2RaidActionRateData_t; 107 108#define MPI2_RAID_ACTION_SET_RATE_RESYNC (0x00) 109#define MPI2_RAID_ACTION_SET_RATE_DATA_SCRUB (0x01) 110#define MPI2_RAID_ACTION_SET_RATE_POWERSAVE_MODE (0x02) 111 112/* ActionDataWord for MPI2_RAID_ACTION_START_RAID_FUNCTION Action */ 113typedef struct _MPI2_RAID_ACTION_START_RAID_FUNCTION 114{ 115 U8 RAIDFunction; /* 0x00 */ 116 U8 Flags; /* 0x01 */ 117 U16 Reserved1; /* 0x02 */ 118} MPI2_RAID_ACTION_START_RAID_FUNCTION, 119 MPI2_POINTER PTR_MPI2_RAID_ACTION_START_RAID_FUNCTION, 120 Mpi2RaidActionStartRaidFunction_t, 121 MPI2_POINTER pMpi2RaidActionStartRaidFunction_t; 122 123/* defines for the RAIDFunction field */ 124#define MPI2_RAID_ACTION_START_BACKGROUND_INIT (0x00) 125#define MPI2_RAID_ACTION_START_ONLINE_CAP_EXPANSION (0x01) 126#define MPI2_RAID_ACTION_START_CONSISTENCY_CHECK (0x02) 127 128/* defines for the Flags field */ 129#define MPI2_RAID_ACTION_START_NEW (0x00) 130#define MPI2_RAID_ACTION_START_RESUME (0x01) 131 132/* ActionDataWord for MPI2_RAID_ACTION_STOP_RAID_FUNCTION Action */ 133typedef struct _MPI2_RAID_ACTION_STOP_RAID_FUNCTION 134{ 135 U8 RAIDFunction; /* 0x00 */ 136 U8 Flags; /* 0x01 */ 137 U16 Reserved1; /* 0x02 */ 138} MPI2_RAID_ACTION_STOP_RAID_FUNCTION, 139 MPI2_POINTER PTR_MPI2_RAID_ACTION_STOP_RAID_FUNCTION, 140 Mpi2RaidActionStopRaidFunction_t, 141 MPI2_POINTER pMpi2RaidActionStopRaidFunction_t; 142 143/* defines for the RAIDFunction field */ 144#define MPI2_RAID_ACTION_STOP_BACKGROUND_INIT (0x00) 145#define MPI2_RAID_ACTION_STOP_ONLINE_CAP_EXPANSION (0x01) 146#define MPI2_RAID_ACTION_STOP_CONSISTENCY_CHECK (0x02) 147 148/* defines for the Flags field */ 149#define MPI2_RAID_ACTION_STOP_ABORT (0x00) 150#define MPI2_RAID_ACTION_STOP_PAUSE (0x01) 151 152/* ActionDataWord for MPI2_RAID_ACTION_CREATE_HOT_SPARE Action */ 153typedef struct _MPI2_RAID_ACTION_HOT_SPARE 154{ 155 U8 HotSparePool; /* 0x00 */ 156 U8 Reserved1; /* 0x01 */ 157 U16 DevHandle; /* 0x02 */ 158} MPI2_RAID_ACTION_HOT_SPARE, MPI2_POINTER PTR_MPI2_RAID_ACTION_HOT_SPARE, 159 Mpi2RaidActionHotSpare_t, MPI2_POINTER pMpi2RaidActionHotSpare_t; 160 161/* ActionDataWord for MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE Action */ 162typedef struct _MPI2_RAID_ACTION_FW_UPDATE_MODE 163{ 164 U8 Flags; /* 0x00 */ 165 U8 DeviceFirmwareUpdateModeTimeout; /* 0x01 */ 166 U16 Reserved1; /* 0x02 */ 167} MPI2_RAID_ACTION_FW_UPDATE_MODE, 168 MPI2_POINTER PTR_MPI2_RAID_ACTION_FW_UPDATE_MODE, 169 Mpi2RaidActionFwUpdateMode_t, MPI2_POINTER pMpi2RaidActionFwUpdateMode_t; 170 171/* ActionDataWord defines for use with MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE action */ 172#define MPI2_RAID_ACTION_ADATA_DISABLE_FW_UPDATE (0x00) 173#define MPI2_RAID_ACTION_ADATA_ENABLE_FW_UPDATE (0x01) 174 175typedef union _MPI2_RAID_ACTION_DATA 176{ 177 U32 Word; 178 MPI2_RAID_ACTION_RATE_DATA Rates; 179 MPI2_RAID_ACTION_START_RAID_FUNCTION StartRaidFunction; 180 MPI2_RAID_ACTION_STOP_RAID_FUNCTION StopRaidFunction; 181 MPI2_RAID_ACTION_HOT_SPARE HotSpare; 182 MPI2_RAID_ACTION_FW_UPDATE_MODE FwUpdateMode; 183} MPI2_RAID_ACTION_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_DATA, 184 Mpi2RaidActionData_t, MPI2_POINTER pMpi2RaidActionData_t; 185 186 187/* RAID Action Request Message */ 188typedef struct _MPI2_RAID_ACTION_REQUEST 189{ 190 U8 Action; /* 0x00 */ 191 U8 Reserved1; /* 0x01 */ 192 U8 ChainOffset; /* 0x02 */ 193 U8 Function; /* 0x03 */ 194 U16 VolDevHandle; /* 0x04 */ 195 U8 PhysDiskNum; /* 0x06 */ 196 U8 MsgFlags; /* 0x07 */ 197 U8 VP_ID; /* 0x08 */ 198 U8 VF_ID; /* 0x09 */ 199 U16 Reserved2; /* 0x0A */ 200 U32 Reserved3; /* 0x0C */ 201 MPI2_RAID_ACTION_DATA ActionDataWord; /* 0x10 */ 202 MPI2_SGE_SIMPLE_UNION ActionDataSGE; /* 0x14 */ 203} MPI2_RAID_ACTION_REQUEST, MPI2_POINTER PTR_MPI2_RAID_ACTION_REQUEST, 204 Mpi2RaidActionRequest_t, MPI2_POINTER pMpi2RaidActionRequest_t; 205 206/* RAID Action request Action values */ 207 208#define MPI2_RAID_ACTION_INDICATOR_STRUCT (0x01) 209#define MPI2_RAID_ACTION_CREATE_VOLUME (0x02) 210#define MPI2_RAID_ACTION_DELETE_VOLUME (0x03) 211#define MPI2_RAID_ACTION_DISABLE_ALL_VOLUMES (0x04) 212#define MPI2_RAID_ACTION_ENABLE_ALL_VOLUMES (0x05) 213#define MPI2_RAID_ACTION_PHYSDISK_OFFLINE (0x0A) 214#define MPI2_RAID_ACTION_PHYSDISK_ONLINE (0x0B) 215#define MPI2_RAID_ACTION_FAIL_PHYSDISK (0x0F) 216#define MPI2_RAID_ACTION_ACTIVATE_VOLUME (0x11) 217#define MPI2_RAID_ACTION_DEVICE_FW_UPDATE_MODE (0x15) 218#define MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE (0x17) 219#define MPI2_RAID_ACTION_SET_VOLUME_NAME (0x18) 220#define MPI2_RAID_ACTION_SET_RAID_FUNCTION_RATE (0x19) 221#define MPI2_RAID_ACTION_ENABLE_FAILED_VOLUME (0x1C) 222#define MPI2_RAID_ACTION_CREATE_HOT_SPARE (0x1D) 223#define MPI2_RAID_ACTION_DELETE_HOT_SPARE (0x1E) 224#define MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED (0x20) 225#define MPI2_RAID_ACTION_START_RAID_FUNCTION (0x21) 226#define MPI2_RAID_ACTION_STOP_RAID_FUNCTION (0x22) 227#define MPI2_RAID_ACTION_COMPATIBILITY_CHECK (0x23) 228#define MPI2_RAID_ACTION_PHYSDISK_HIDDEN (0x24) 229#define MPI2_RAID_ACTION_MIN_PRODUCT_SPECIFIC (0x80) 230#define MPI2_RAID_ACTION_MAX_PRODUCT_SPECIFIC (0xFF) 231 232 233/* RAID Volume Creation Structure */ 234 235/* 236 * The following define can be customized for the targeted product. 237 */ 238#ifndef MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS 239#define MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS (1) 240#endif 241 242typedef struct _MPI2_RAID_VOLUME_PHYSDISK 243{ 244 U8 RAIDSetNum; /* 0x00 */ 245 U8 PhysDiskMap; /* 0x01 */ 246 U16 PhysDiskDevHandle; /* 0x02 */ 247} MPI2_RAID_VOLUME_PHYSDISK, MPI2_POINTER PTR_MPI2_RAID_VOLUME_PHYSDISK, 248 Mpi2RaidVolumePhysDisk_t, MPI2_POINTER pMpi2RaidVolumePhysDisk_t; 249 250/* defines for the PhysDiskMap field */ 251#define MPI2_RAIDACTION_PHYSDISK_PRIMARY (0x01) 252#define MPI2_RAIDACTION_PHYSDISK_SECONDARY (0x02) 253 254typedef struct _MPI2_RAID_VOLUME_CREATION_STRUCT 255{ 256 U8 NumPhysDisks; /* 0x00 */ 257 U8 VolumeType; /* 0x01 */ 258 U16 Reserved1; /* 0x02 */ 259 U32 VolumeCreationFlags; /* 0x04 */ 260 U32 VolumeSettings; /* 0x08 */ 261 U8 Reserved2; /* 0x0C */ 262 U8 ResyncRate; /* 0x0D */ 263 U16 DataScrubDuration; /* 0x0E */ 264 U64 VolumeMaxLBA; /* 0x10 */ 265 U32 StripeSize; /* 0x18 */ 266 U8 Name[16]; /* 0x1C */ 267 MPI2_RAID_VOLUME_PHYSDISK PhysDisk[MPI2_RAID_VOL_CREATION_NUM_PHYSDISKS];/* 0x2C */ 268} MPI2_RAID_VOLUME_CREATION_STRUCT, 269 MPI2_POINTER PTR_MPI2_RAID_VOLUME_CREATION_STRUCT, 270 Mpi2RaidVolumeCreationStruct_t, MPI2_POINTER pMpi2RaidVolumeCreationStruct_t; 271 272/* use MPI2_RAID_VOL_TYPE_ defines from mpi2_cnfg.h for VolumeType */ 273 274/* defines for the VolumeCreationFlags field */ 275#define MPI2_RAID_VOL_CREATION_DEFAULT_SETTINGS (0x80000000) 276#define MPI2_RAID_VOL_CREATION_BACKGROUND_INIT (0x00000004) /* MPI 2.0 only */ 277#define MPI2_RAID_VOL_CREATION_LOW_LEVEL_INIT (0x00000002) 278#define MPI2_RAID_VOL_CREATION_MIGRATE_DATA (0x00000001) 279/* The following is an obsolete define. 280 * It must be shifted left 24 bits in order to set the proper bit. 281 */ 282#define MPI2_RAID_VOL_CREATION_USE_DEFAULT_SETTINGS (0x80) 283 284 285/* RAID Online Capacity Expansion Structure */ 286 287typedef struct _MPI2_RAID_ONLINE_CAPACITY_EXPANSION 288{ 289 U32 Flags; /* 0x00 */ 290 U16 DevHandle0; /* 0x04 */ 291 U16 Reserved1; /* 0x06 */ 292 U16 DevHandle1; /* 0x08 */ 293 U16 Reserved2; /* 0x0A */ 294} MPI2_RAID_ONLINE_CAPACITY_EXPANSION, 295 MPI2_POINTER PTR_MPI2_RAID_ONLINE_CAPACITY_EXPANSION, 296 Mpi2RaidOnlineCapacityExpansion_t, 297 MPI2_POINTER pMpi2RaidOnlineCapacityExpansion_t; 298 299 300/* RAID Compatibility Input Structure */ 301 302typedef struct _MPI2_RAID_COMPATIBILITY_INPUT_STRUCT 303{ 304 U16 SourceDevHandle; /* 0x00 */ 305 U16 CandidateDevHandle; /* 0x02 */ 306 U32 Flags; /* 0x04 */ 307 U32 Reserved1; /* 0x08 */ 308 U32 Reserved2; /* 0x0C */ 309} MPI2_RAID_COMPATIBILITY_INPUT_STRUCT, 310 MPI2_POINTER PTR_MPI2_RAID_COMPATIBILITY_INPUT_STRUCT, 311 Mpi2RaidCompatibilityInputStruct_t, 312 MPI2_POINTER pMpi2RaidCompatibilityInputStruct_t; 313 314/* defines for RAID Compatibility Structure Flags field */ 315#define MPI2_RAID_COMPAT_SOURCE_IS_VOLUME_FLAG (0x00000002) 316#define MPI2_RAID_COMPAT_REPORT_SOURCE_INFO_FLAG (0x00000001) 317 318 319/* RAID Volume Indicator Structure */ 320 321typedef struct _MPI2_RAID_VOL_INDICATOR 322{ 323 U64 TotalBlocks; /* 0x00 */ 324 U64 BlocksRemaining; /* 0x08 */ 325 U32 Flags; /* 0x10 */ 326 U32 ElapsedSeconds; /* 0x14 */ 327} MPI2_RAID_VOL_INDICATOR, MPI2_POINTER PTR_MPI2_RAID_VOL_INDICATOR, 328 Mpi2RaidVolIndicator_t, MPI2_POINTER pMpi2RaidVolIndicator_t; 329 330/* defines for RAID Volume Indicator Flags field */ 331#define MPI2_RAID_VOL_FLAGS_ELAPSED_SECONDS_VALID (0x80000000) 332 333#define MPI2_RAID_VOL_FLAGS_OP_MASK (0x0000000F) 334#define MPI2_RAID_VOL_FLAGS_OP_BACKGROUND_INIT (0x00000000) 335#define MPI2_RAID_VOL_FLAGS_OP_ONLINE_CAP_EXPANSION (0x00000001) 336#define MPI2_RAID_VOL_FLAGS_OP_CONSISTENCY_CHECK (0x00000002) 337#define MPI2_RAID_VOL_FLAGS_OP_RESYNC (0x00000003) 338#define MPI2_RAID_VOL_FLAGS_OP_MDC (0x00000004) 339 340 341/* RAID Compatibility Result Structure */ 342 343typedef struct _MPI2_RAID_COMPATIBILITY_RESULT_STRUCT 344{ 345 U8 State; /* 0x00 */ 346 U8 Reserved1; /* 0x01 */ 347 U16 Reserved2; /* 0x02 */ 348 U32 GenericAttributes; /* 0x04 */ 349 U32 OEMSpecificAttributes; /* 0x08 */ 350 U32 Reserved3; /* 0x0C */ 351 U32 Reserved4; /* 0x10 */ 352} MPI2_RAID_COMPATIBILITY_RESULT_STRUCT, 353 MPI2_POINTER PTR_MPI2_RAID_COMPATIBILITY_RESULT_STRUCT, 354 Mpi2RaidCompatibilityResultStruct_t, 355 MPI2_POINTER pMpi2RaidCompatibilityResultStruct_t; 356 357/* defines for RAID Compatibility Result Structure State field */ 358#define MPI2_RAID_COMPAT_STATE_COMPATIBLE (0x00) 359#define MPI2_RAID_COMPAT_STATE_NOT_COMPATIBLE (0x01) 360 361/* defines for RAID Compatibility Result Structure GenericAttributes field */ 362#define MPI2_RAID_COMPAT_GENATTRIB_4K_SECTOR (0x00000010) 363 364#define MPI2_RAID_COMPAT_GENATTRIB_MEDIA_MASK (0x0000000C) 365#define MPI2_RAID_COMPAT_GENATTRIB_SOLID_STATE_DRIVE (0x00000008) 366#define MPI2_RAID_COMPAT_GENATTRIB_HARD_DISK_DRIVE (0x00000004) 367 368#define MPI2_RAID_COMPAT_GENATTRIB_PROTOCOL_MASK (0x00000003) 369#define MPI2_RAID_COMPAT_GENATTRIB_SAS_PROTOCOL (0x00000002) 370#define MPI2_RAID_COMPAT_GENATTRIB_SATA_PROTOCOL (0x00000001) 371 372 373/* RAID Action Reply ActionData union */ 374typedef union _MPI2_RAID_ACTION_REPLY_DATA 375{ 376 U32 Word[6]; 377 MPI2_RAID_VOL_INDICATOR RaidVolumeIndicator; 378 U16 VolDevHandle; 379 U8 VolumeState; 380 U8 PhysDiskNum; 381 MPI2_RAID_COMPATIBILITY_RESULT_STRUCT RaidCompatibilityResult; 382} MPI2_RAID_ACTION_REPLY_DATA, MPI2_POINTER PTR_MPI2_RAID_ACTION_REPLY_DATA, 383 Mpi2RaidActionReplyData_t, MPI2_POINTER pMpi2RaidActionReplyData_t; 384 385/* use MPI2_RAIDVOL0_SETTING_ defines from mpi2_cnfg.h for MPI2_RAID_ACTION_CHANGE_VOL_WRITE_CACHE action */ 386 387 388/* RAID Action Reply Message */ 389typedef struct _MPI2_RAID_ACTION_REPLY 390{ 391 U8 Action; /* 0x00 */ 392 U8 Reserved1; /* 0x01 */ 393 U8 MsgLength; /* 0x02 */ 394 U8 Function; /* 0x03 */ 395 U16 VolDevHandle; /* 0x04 */ 396 U8 PhysDiskNum; /* 0x06 */ 397 U8 MsgFlags; /* 0x07 */ 398 U8 VP_ID; /* 0x08 */ 399 U8 VF_ID; /* 0x09 */ 400 U16 Reserved2; /* 0x0A */ 401 U16 Reserved3; /* 0x0C */ 402 U16 IOCStatus; /* 0x0E */ 403 U32 IOCLogInfo; /* 0x10 */ 404 MPI2_RAID_ACTION_REPLY_DATA ActionData; /* 0x14 */ 405} MPI2_RAID_ACTION_REPLY, MPI2_POINTER PTR_MPI2_RAID_ACTION_REPLY, 406 Mpi2RaidActionReply_t, MPI2_POINTER pMpi2RaidActionReply_t; 407 408 409#endif 410 411