1/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */ 2/* 3 * Driver for Broadcom MPI3 Storage Controllers 4 * 5 * Copyright (C) 2017-2022 Broadcom Inc. 6 * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com) 7 * 8 */ 9 10#ifndef SCSI_BSG_MPI3MR_H_INCLUDED 11#define SCSI_BSG_MPI3MR_H_INCLUDED 12 13#include <linux/types.h> 14 15/* Definitions for BSG commands */ 16#define MPI3MR_IOCTL_VERSION 0x06 17 18#define MPI3MR_APP_DEFAULT_TIMEOUT (60) /*seconds*/ 19 20#define MPI3MR_BSG_ADPTYPE_UNKNOWN 0 21#define MPI3MR_BSG_ADPTYPE_AVGFAMILY 1 22 23#define MPI3MR_BSG_ADPSTATE_UNKNOWN 0 24#define MPI3MR_BSG_ADPSTATE_OPERATIONAL 1 25#define MPI3MR_BSG_ADPSTATE_FAULT 2 26#define MPI3MR_BSG_ADPSTATE_IN_RESET 3 27#define MPI3MR_BSG_ADPSTATE_UNRECOVERABLE 4 28 29#define MPI3MR_BSG_ADPRESET_UNKNOWN 0 30#define MPI3MR_BSG_ADPRESET_SOFT 1 31#define MPI3MR_BSG_ADPRESET_DIAG_FAULT 2 32 33#define MPI3MR_BSG_LOGDATA_MAX_ENTRIES 400 34#define MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ 4 35 36#define MPI3MR_DRVBSG_OPCODE_UNKNOWN 0 37#define MPI3MR_DRVBSG_OPCODE_ADPINFO 1 38#define MPI3MR_DRVBSG_OPCODE_ADPRESET 2 39#define MPI3MR_DRVBSG_OPCODE_ALLTGTDEVINFO 4 40#define MPI3MR_DRVBSG_OPCODE_GETCHGCNT 5 41#define MPI3MR_DRVBSG_OPCODE_LOGDATAENABLE 6 42#define MPI3MR_DRVBSG_OPCODE_PELENABLE 7 43#define MPI3MR_DRVBSG_OPCODE_GETLOGDATA 8 44#define MPI3MR_DRVBSG_OPCODE_QUERY_HDB 9 45#define MPI3MR_DRVBSG_OPCODE_REPOST_HDB 10 46#define MPI3MR_DRVBSG_OPCODE_UPLOAD_HDB 11 47#define MPI3MR_DRVBSG_OPCODE_REFRESH_HDB_TRIGGERS 12 48 49 50#define MPI3MR_BSG_BUFTYPE_UNKNOWN 0 51#define MPI3MR_BSG_BUFTYPE_RAIDMGMT_CMD 1 52#define MPI3MR_BSG_BUFTYPE_RAIDMGMT_RESP 2 53#define MPI3MR_BSG_BUFTYPE_DATA_IN 3 54#define MPI3MR_BSG_BUFTYPE_DATA_OUT 4 55#define MPI3MR_BSG_BUFTYPE_MPI_REPLY 5 56#define MPI3MR_BSG_BUFTYPE_ERR_RESPONSE 6 57#define MPI3MR_BSG_BUFTYPE_MPI_REQUEST 0xFE 58 59#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_UNKNOWN 0 60#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_STATUS 1 61#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_ADDRESS 2 62 63#define MPI3MR_HDB_BUFTYPE_UNKNOWN 0 64#define MPI3MR_HDB_BUFTYPE_TRACE 1 65#define MPI3MR_HDB_BUFTYPE_FIRMWARE 2 66#define MPI3MR_HDB_BUFTYPE_RESERVED 3 67 68#define MPI3MR_HDB_BUFSTATUS_UNKNOWN 0 69#define MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED 1 70#define MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED 2 71#define MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED 3 72#define MPI3MR_HDB_BUFSTATUS_RELEASED 4 73 74#define MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN 0 75#define MPI3MR_HDB_TRIGGER_TYPE_DIAGFAULT 1 76#define MPI3MR_HDB_TRIGGER_TYPE_ELEMENT 2 77#define MPI3MR_HDB_TRIGGER_TYPE_MASTER 3 78 79 80/* Supported BSG commands */ 81enum command { 82 MPI3MR_DRV_CMD = 1, 83 MPI3MR_MPT_CMD = 2, 84}; 85 86/** 87 * struct mpi3_driver_info_layout - Information about driver 88 * 89 * @information_length: Length of this structure in bytes 90 * @driver_signature: Driver Vendor name 91 * @os_name: Operating System Name 92 * @driver_name: Driver name 93 * @driver_version: Driver version 94 * @driver_release_date: Driver release date 95 * @driver_capabilities: Driver capabilities 96 */ 97struct mpi3_driver_info_layout { 98 __le32 information_length; 99 __u8 driver_signature[12]; 100 __u8 os_name[16]; 101 __u8 os_version[12]; 102 __u8 driver_name[20]; 103 __u8 driver_version[32]; 104 __u8 driver_release_date[20]; 105 __le32 driver_capabilities; 106}; 107 108/** 109 * struct mpi3mr_bsg_in_adpinfo - Adapter information request 110 * data returned by the driver. 111 * 112 * @adp_type: Adapter type 113 * @rsvd1: Reserved 114 * @pci_dev_id: PCI device ID of the adapter 115 * @pci_dev_hw_rev: PCI revision of the adapter 116 * @pci_subsys_dev_id: PCI subsystem device ID of the adapter 117 * @pci_subsys_ven_id: PCI subsystem vendor ID of the adapter 118 * @pci_dev: PCI device 119 * @pci_func: PCI function 120 * @pci_bus: PCI bus 121 * @rsvd2: Reserved 122 * @pci_seg_id: PCI segment ID 123 * @app_intfc_ver: version of the application interface definition 124 * @rsvd3: Reserved 125 * @rsvd4: Reserved 126 * @rsvd5: Reserved 127 * @driver_info: Driver Information (Version/Name) 128 */ 129struct mpi3mr_bsg_in_adpinfo { 130 __u32 adp_type; 131 __u32 rsvd1; 132 __u32 pci_dev_id; 133 __u32 pci_dev_hw_rev; 134 __u32 pci_subsys_dev_id; 135 __u32 pci_subsys_ven_id; 136 __u32 pci_dev:5; 137 __u32 pci_func:3; 138 __u32 pci_bus:8; 139 __u16 rsvd2; 140 __u32 pci_seg_id; 141 __u32 app_intfc_ver; 142 __u8 adp_state; 143 __u8 rsvd3; 144 __u16 rsvd4; 145 __u32 rsvd5[2]; 146 struct mpi3_driver_info_layout driver_info; 147}; 148 149/** 150 * struct mpi3mr_bsg_adp_reset - Adapter reset request 151 * payload data to the driver. 152 * 153 * @reset_type: Reset type 154 * @rsvd1: Reserved 155 * @rsvd2: Reserved 156 */ 157struct mpi3mr_bsg_adp_reset { 158 __u8 reset_type; 159 __u8 rsvd1; 160 __u16 rsvd2; 161}; 162 163/** 164 * struct mpi3mr_change_count - Topology change count 165 * returned by the driver. 166 * 167 * @change_count: Topology change count 168 * @rsvd: Reserved 169 */ 170struct mpi3mr_change_count { 171 __u16 change_count; 172 __u16 rsvd; 173}; 174 175/** 176 * struct mpi3mr_device_map_info - Target device mapping 177 * information 178 * 179 * @handle: Firmware device handle 180 * @perst_id: Persistent ID assigned by the firmware 181 * @target_id: Target ID assigned by the driver 182 * @bus_id: Bus ID assigned by the driver 183 * @rsvd1: Reserved 184 * @rsvd2: Reserved 185 */ 186struct mpi3mr_device_map_info { 187 __u16 handle; 188 __u16 perst_id; 189 __u32 target_id; 190 __u8 bus_id; 191 __u8 rsvd1; 192 __u16 rsvd2; 193}; 194 195/** 196 * struct mpi3mr_all_tgt_info - Target device mapping 197 * information returned by the driver 198 * 199 * @num_devices: The number of devices in driver's inventory 200 * @rsvd1: Reserved 201 * @rsvd2: Reserved 202 * @dmi: Variable length array of mapping information of targets 203 */ 204struct mpi3mr_all_tgt_info { 205 __u16 num_devices; 206 __u16 rsvd1; 207 __u32 rsvd2; 208 struct mpi3mr_device_map_info dmi[1]; 209}; 210 211/** 212 * struct mpi3mr_logdata_enable - Number of log data 213 * entries saved by the driver returned as payload data for 214 * enable logdata BSG request by the driver. 215 * 216 * @max_entries: Number of log data entries cached by the driver 217 * @rsvd: Reserved 218 */ 219struct mpi3mr_logdata_enable { 220 __u16 max_entries; 221 __u16 rsvd; 222}; 223 224/** 225 * struct mpi3mr_bsg_out_pel_enable - PEL enable request payload 226 * data to the driver. 227 * 228 * @pel_locale: PEL locale to the firmware 229 * @pel_class: PEL class to the firmware 230 * @rsvd: Reserved 231 */ 232struct mpi3mr_bsg_out_pel_enable { 233 __u16 pel_locale; 234 __u8 pel_class; 235 __u8 rsvd; 236}; 237 238/** 239 * struct mpi3mr_logdata_entry - Log data entry cached by the 240 * driver. 241 * 242 * @valid_entry: Is the entry valid 243 * @rsvd1: Reserved 244 * @rsvd2: Reserved 245 * @data: Variable length Log entry data 246 */ 247struct mpi3mr_logdata_entry { 248 __u8 valid_entry; 249 __u8 rsvd1; 250 __u16 rsvd2; 251 __u8 data[1]; /* Variable length Array */ 252}; 253 254/** 255 * struct mpi3mr_bsg_in_log_data - Log data entries saved by 256 * the driver returned as payload data for Get logdata request 257 * by the driver. 258 * 259 * @entry: Variable length Log data entry array 260 */ 261struct mpi3mr_bsg_in_log_data { 262 struct mpi3mr_logdata_entry entry[1]; 263}; 264 265/** 266 * struct mpi3mr_hdb_entry - host diag buffer entry. 267 * 268 * @buf_type: Buffer type 269 * @status: Buffer status 270 * @trigger_type: Trigger type 271 * @rsvd1: Reserved 272 * @size: Buffer size 273 * @rsvd2: Reserved 274 * @trigger_data: Trigger specific data 275 * @rsvd3: Reserved 276 * @rsvd4: Reserved 277 */ 278struct mpi3mr_hdb_entry { 279 __u8 buf_type; 280 __u8 status; 281 __u8 trigger_type; 282 __u8 rsvd1; 283 __u16 size; 284 __u16 rsvd2; 285 __u64 trigger_data; 286 __u32 rsvd3; 287 __u32 rsvd4; 288}; 289 290 291/** 292 * struct mpi3mr_bsg_in_hdb_status - This structure contains 293 * return data for the BSG request to retrieve the number of host 294 * diagnostic buffers supported by the driver and their current 295 * status and additional status specific data if any in forms of 296 * multiple hdb entries. 297 * 298 * @num_hdb_types: Number of host diag buffer types supported 299 * @rsvd1: Reserved 300 * @rsvd2: Reserved 301 * @rsvd3: Reserved 302 * @entry: Variable length Diag buffer status entry array 303 */ 304struct mpi3mr_bsg_in_hdb_status { 305 __u8 num_hdb_types; 306 __u8 rsvd1; 307 __u16 rsvd2; 308 __u32 rsvd3; 309 struct mpi3mr_hdb_entry entry[1]; 310}; 311 312/** 313 * struct mpi3mr_bsg_out_repost_hdb - Repost host diagnostic 314 * buffer request payload data to the driver. 315 * 316 * @buf_type: Buffer type 317 * @rsvd1: Reserved 318 * @rsvd2: Reserved 319 */ 320struct mpi3mr_bsg_out_repost_hdb { 321 __u8 buf_type; 322 __u8 rsvd1; 323 __u16 rsvd2; 324}; 325 326/** 327 * struct mpi3mr_bsg_out_upload_hdb - Upload host diagnostic 328 * buffer request payload data to the driver. 329 * 330 * @buf_type: Buffer type 331 * @rsvd1: Reserved 332 * @rsvd2: Reserved 333 * @start_offset: Start offset of the buffer from where to copy 334 * @length: Length of the buffer to copy 335 */ 336struct mpi3mr_bsg_out_upload_hdb { 337 __u8 buf_type; 338 __u8 rsvd1; 339 __u16 rsvd2; 340 __u32 start_offset; 341 __u32 length; 342}; 343 344/** 345 * struct mpi3mr_bsg_out_refresh_hdb_triggers - Refresh host 346 * diagnostic buffer triggers request payload data to the driver. 347 * 348 * @page_type: Page type 349 * @rsvd1: Reserved 350 * @rsvd2: Reserved 351 */ 352struct mpi3mr_bsg_out_refresh_hdb_triggers { 353 __u8 page_type; 354 __u8 rsvd1; 355 __u16 rsvd2; 356}; 357/** 358 * struct mpi3mr_bsg_drv_cmd - Generic bsg data 359 * structure for all driver specific requests. 360 * 361 * @mrioc_id: Controller ID 362 * @opcode: Driver specific opcode 363 * @rsvd1: Reserved 364 * @rsvd2: Reserved 365 */ 366struct mpi3mr_bsg_drv_cmd { 367 __u8 mrioc_id; 368 __u8 opcode; 369 __u16 rsvd1; 370 __u32 rsvd2[4]; 371}; 372/** 373 * struct mpi3mr_bsg_in_reply_buf - MPI reply buffer returned 374 * for MPI Passthrough request . 375 * 376 * @mpi_reply_type: Type of MPI reply 377 * @rsvd1: Reserved 378 * @rsvd2: Reserved 379 * @reply_buf: Variable Length buffer based on mpirep type 380 */ 381struct mpi3mr_bsg_in_reply_buf { 382 __u8 mpi_reply_type; 383 __u8 rsvd1; 384 __u16 rsvd2; 385 __u8 reply_buf[]; 386}; 387 388/** 389 * struct mpi3mr_buf_entry - User buffer descriptor for MPI 390 * Passthrough requests. 391 * 392 * @buf_type: Buffer type 393 * @rsvd1: Reserved 394 * @rsvd2: Reserved 395 * @buf_len: Buffer length 396 */ 397struct mpi3mr_buf_entry { 398 __u8 buf_type; 399 __u8 rsvd1; 400 __u16 rsvd2; 401 __u32 buf_len; 402}; 403/** 404 * struct mpi3mr_bsg_buf_entry_list - list of user buffer 405 * descriptor for MPI Passthrough requests. 406 * 407 * @num_of_entries: Number of buffer descriptors 408 * @rsvd1: Reserved 409 * @rsvd2: Reserved 410 * @rsvd3: Reserved 411 * @buf_entry: Variable length array of buffer descriptors 412 */ 413struct mpi3mr_buf_entry_list { 414 __u8 num_of_entries; 415 __u8 rsvd1; 416 __u16 rsvd2; 417 __u32 rsvd3; 418 struct mpi3mr_buf_entry buf_entry[1]; 419}; 420/** 421 * struct mpi3mr_bsg_mptcmd - Generic bsg data 422 * structure for all MPI Passthrough requests . 423 * 424 * @mrioc_id: Controller ID 425 * @rsvd1: Reserved 426 * @timeout: MPI request timeout 427 * @buf_entry_list: Buffer descriptor list 428 */ 429struct mpi3mr_bsg_mptcmd { 430 __u8 mrioc_id; 431 __u8 rsvd1; 432 __u16 timeout; 433 __u32 rsvd2; 434 struct mpi3mr_buf_entry_list buf_entry_list; 435}; 436 437/** 438 * struct mpi3mr_bsg_packet - Generic bsg data 439 * structure for all supported requests . 440 * 441 * @cmd_type: represents drvrcmd or mptcmd 442 * @rsvd1: Reserved 443 * @rsvd2: Reserved 444 * @drvrcmd: driver request structure 445 * @mptcmd: mpt request structure 446 */ 447struct mpi3mr_bsg_packet { 448 __u8 cmd_type; 449 __u8 rsvd1; 450 __u16 rsvd2; 451 __u32 rsvd3; 452 union { 453 struct mpi3mr_bsg_drv_cmd drvrcmd; 454 struct mpi3mr_bsg_mptcmd mptcmd; 455 } cmd; 456}; 457 458struct mpi3_nvme_encapsulated_request { 459 __le16 host_tag; 460 __u8 ioc_use_only02; 461 __u8 function; 462 __le16 ioc_use_only04; 463 __u8 ioc_use_only06; 464 __u8 msg_flags; 465 __le16 change_count; 466 __le16 dev_handle; 467 __le16 encapsulated_command_length; 468 __le16 flags; 469 __le32 data_length; 470 __le32 reserved14[3]; 471 __le32 command[]; 472}; 473 474struct mpi3_nvme_encapsulated_error_reply { 475 __le16 host_tag; 476 __u8 ioc_use_only02; 477 __u8 function; 478 __le16 ioc_use_only04; 479 __u8 ioc_use_only06; 480 __u8 msg_flags; 481 __le16 ioc_use_only08; 482 __le16 ioc_status; 483 __le32 ioc_log_info; 484 __le32 nvme_completion_entry[4]; 485}; 486 487#define MPI3MR_NVME_PRP_SIZE 8 /* PRP size */ 488#define MPI3MR_NVME_CMD_PRP1_OFFSET 24 /* PRP1 offset in NVMe cmd */ 489#define MPI3MR_NVME_CMD_PRP2_OFFSET 32 /* PRP2 offset in NVMe cmd */ 490#define MPI3MR_NVME_CMD_SGL_OFFSET 24 /* SGL offset in NVMe cmd */ 491#define MPI3MR_NVME_DATA_FORMAT_PRP 0 492#define MPI3MR_NVME_DATA_FORMAT_SGL1 1 493#define MPI3MR_NVME_DATA_FORMAT_SGL2 2 494#define MPI3MR_NVMESGL_DATA_SEGMENT 0x00 495#define MPI3MR_NVMESGL_LAST_SEGMENT 0x03 496 497/* MPI3: task management related definitions */ 498struct mpi3_scsi_task_mgmt_request { 499 __le16 host_tag; 500 __u8 ioc_use_only02; 501 __u8 function; 502 __le16 ioc_use_only04; 503 __u8 ioc_use_only06; 504 __u8 msg_flags; 505 __le16 change_count; 506 __le16 dev_handle; 507 __le16 task_host_tag; 508 __u8 task_type; 509 __u8 reserved0f; 510 __le16 task_request_queue_id; 511 __le16 reserved12; 512 __le32 reserved14; 513 __u8 lun[8]; 514}; 515 516#define MPI3_SCSITASKMGMT_MSGFLAGS_DO_NOT_SEND_TASK_IU (0x08) 517#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK (0x01) 518#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK_SET (0x02) 519#define MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET (0x03) 520#define MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET (0x05) 521#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET (0x06) 522#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK (0x07) 523#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_ACA (0x08) 524#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK_SET (0x09) 525#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_ASYNC_EVENT (0x0a) 526#define MPI3_SCSITASKMGMT_TASKTYPE_I_T_NEXUS_RESET (0x0b) 527struct mpi3_scsi_task_mgmt_reply { 528 __le16 host_tag; 529 __u8 ioc_use_only02; 530 __u8 function; 531 __le16 ioc_use_only04; 532 __u8 ioc_use_only06; 533 __u8 msg_flags; 534 __le16 ioc_use_only08; 535 __le16 ioc_status; 536 __le32 ioc_log_info; 537 __le32 termination_count; 538 __le32 response_data; 539 __le32 reserved18; 540}; 541 542#define MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE (0x00) 543#define MPI3_SCSITASKMGMT_RSPCODE_INVALID_FRAME (0x02) 544#define MPI3_SCSITASKMGMT_RSPCODE_TM_FUNCTION_NOT_SUPPORTED (0x04) 545#define MPI3_SCSITASKMGMT_RSPCODE_TM_FAILED (0x05) 546#define MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED (0x08) 547#define MPI3_SCSITASKMGMT_RSPCODE_TM_INVALID_LUN (0x09) 548#define MPI3_SCSITASKMGMT_RSPCODE_TM_OVERLAPPED_TAG (0x0a) 549#define MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC (0x80) 550#define MPI3_SCSITASKMGMT_RSPCODE_TM_NVME_DENIED (0x81) 551 552/* MPI3: PEL related definitions */ 553#define MPI3_PEL_LOCALE_FLAGS_NON_BLOCKING_BOOT_EVENT (0x0200) 554#define MPI3_PEL_LOCALE_FLAGS_BLOCKING_BOOT_EVENT (0x0100) 555#define MPI3_PEL_LOCALE_FLAGS_PCIE (0x0080) 556#define MPI3_PEL_LOCALE_FLAGS_CONFIGURATION (0x0040) 557#define MPI3_PEL_LOCALE_FLAGS_CONTROLER (0x0020) 558#define MPI3_PEL_LOCALE_FLAGS_SAS (0x0010) 559#define MPI3_PEL_LOCALE_FLAGS_EPACK (0x0008) 560#define MPI3_PEL_LOCALE_FLAGS_ENCLOSURE (0x0004) 561#define MPI3_PEL_LOCALE_FLAGS_PD (0x0002) 562#define MPI3_PEL_LOCALE_FLAGS_VD (0x0001) 563#define MPI3_PEL_CLASS_DEBUG (0x00) 564#define MPI3_PEL_CLASS_PROGRESS (0x01) 565#define MPI3_PEL_CLASS_INFORMATIONAL (0x02) 566#define MPI3_PEL_CLASS_WARNING (0x03) 567#define MPI3_PEL_CLASS_CRITICAL (0x04) 568#define MPI3_PEL_CLASS_FATAL (0x05) 569#define MPI3_PEL_CLASS_FAULT (0x06) 570 571/* MPI3: Function definitions */ 572#define MPI3_BSG_FUNCTION_MGMT_PASSTHROUGH (0x0a) 573#define MPI3_BSG_FUNCTION_SCSI_IO (0x20) 574#define MPI3_BSG_FUNCTION_SCSI_TASK_MGMT (0x21) 575#define MPI3_BSG_FUNCTION_SMP_PASSTHROUGH (0x22) 576#define MPI3_BSG_FUNCTION_NVME_ENCAPSULATED (0x24) 577 578#endif 579