1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2001 Michael Smith 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Structure and I/O definitions for the Command Interface for SCSI-3 Support. 31 * 32 * Data in command CDBs are in big-endian format. All other data is little-endian. 33 * This header only supports little-endian hosts at this time. 34 */ 35 36 union ciss_device_address 37 { 38 struct /* MODE_PERIPHERAL and MODE_MASK_PERIPHERAL */ 39 { 40 u_int32_t target:24; /* SCSI target */ 41 u_int32_t bus:6; /* SCSI bus */ 42 u_int32_t mode:2; /* CISS_HDR_ADDRESS_MODE_* */ 43 u_int32_t extra_address; /* SCSI-3 level-2 and level-3 address bytes */ 44 } physical; 45 struct /* MODE_LOGICAL */ 46 { 47 u_int32_t lun:30; /* logical device ID */ 48 u_int32_t mode:2; /* CISS_HDR_ADDRESS_MODE_LOGICAL */ 49 u_int32_t :32; /* reserved */ 50 } logical; 51 struct 52 { 53 u_int32_t :30; 54 u_int32_t mode:2; 55 u_int32_t :32; 56 } mode; 57 }; 58 #define CISS_HDR_ADDRESS_MODE_PERIPHERAL 0x0 59 #define CISS_HDR_ADDRESS_MODE_LOGICAL 0x1 60 #define CISS_HDR_ADDRESS_MODE_MASK_PERIPHERAL 0x3 61 62 #define CISS_EXTRA_MODE2(extra) ((extra & 0xc0000000) >> 30) 63 #define CISS_EXTRA_BUS2(extra) ((extra & 0x3f000000) >> 24) 64 #define CISS_EXTRA_TARGET2(extra) ((extra & 0x00ff0000) >> 16) 65 #define CISS_EXTRA_MODE3(extra) ((extra & 0x0000c000) >> 14) 66 #define CISS_EXTRA_BUS3(extra) ((extra & 0x00003f00) >> 8) 67 #define CISS_EXTRA_TARGET3(extra) ((extra & 0x000000ff)) 68 69 struct ciss_header 70 { 71 u_int8_t :8; /* reserved */ 72 u_int8_t sg_in_list; /* SG's in the command structure */ 73 u_int16_t sg_total; /* total count of SGs for this command */ 74 u_int32_t host_tag; /* host identifier, bits 0&1 must be clear */ 75 #define CISS_HDR_HOST_TAG_ERROR (1<<1) 76 u_int32_t host_tag_zeroes; /* tag is 64 bits, but interface only supports 32 */ 77 union ciss_device_address address; 78 } __packed; 79 80 struct ciss_cdb 81 { 82 u_int8_t cdb_length; /* valid CDB bytes */ 83 u_int8_t type:3; 84 #define CISS_CDB_TYPE_COMMAND 0 85 #define CISS_CDB_TYPE_MESSAGE 1 86 u_int8_t attribute:3; 87 #define CISS_CDB_ATTRIBUTE_UNTAGGED 0 88 #define CISS_CDB_ATTRIBUTE_SIMPLE 4 89 #define CISS_CDB_ATTRIBUTE_HEAD_OF_QUEUE 5 90 #define CISS_CDB_ATTRIBUTE_ORDERED 6 91 #define CISS_CDB_ATTRIBUTE_AUTO_CONTINGENT 7 92 u_int8_t direction:2; 93 #define CISS_CDB_DIRECTION_NONE 0 94 #define CISS_CDB_DIRECTION_WRITE 1 95 #define CISS_CDB_DIRECTION_READ 2 96 u_int16_t timeout; /* seconds */ 97 #define CISS_CDB_BUFFER_SIZE 16 98 u_int8_t cdb[CISS_CDB_BUFFER_SIZE]; 99 } __packed; 100 101 struct ciss_error_info_pointer 102 { 103 u_int64_t error_info_address; /* points to ciss_error_info structure */ 104 u_int32_t error_info_length; 105 } __packed; 106 107 struct ciss_error_info 108 { 109 u_int8_t scsi_status; 110 #define CISS_SCSI_STATUS_GOOD 0x00 /* these are scsi-standard values */ 111 #define CISS_SCSI_STATUS_CHECK_CONDITION 0x02 112 #define CISS_SCSI_STATUS_CONDITION_MET 0x04 113 #define CISS_SCSI_STATUS_BUSY 0x08 114 #define CISS_SCSI_STATUS_INDETERMINATE 0x10 115 #define CISS_SCSI_STATUS_INDETERMINATE_CM 0x14 116 #define CISS_SCSI_STATUS_RESERVATION_CONFLICT 0x18 117 #define CISS_SCSI_STATUS_COMMAND_TERMINATED 0x22 118 #define CISS_SCSI_STATUS_QUEUE_FULL 0x28 119 #define CISS_SCSI_STATUS_ACA_ACTIVE 0x30 120 u_int8_t sense_length; 121 u_int16_t command_status; 122 #define CISS_CMD_STATUS_SUCCESS 0 123 #define CISS_CMD_STATUS_TARGET_STATUS 1 124 #define CISS_CMD_STATUS_DATA_UNDERRUN 2 125 #define CISS_CMD_STATUS_DATA_OVERRUN 3 126 #define CISS_CMD_STATUS_INVALID_COMMAND 4 127 #define CISS_CMD_STATUS_PROTOCOL_ERROR 5 128 #define CISS_CMD_STATUS_HARDWARE_ERROR 6 129 #define CISS_CMD_STATUS_CONNECTION_LOST 7 130 #define CISS_CMD_STATUS_ABORTED 8 131 #define CISS_CMD_STATUS_ABORT_FAILED 9 132 #define CISS_CMD_STATUS_UNSOLICITED_ABORT 10 133 #define CISS_CMD_STATUS_TIMEOUT 11 134 #define CISS_CMD_STATUS_UNABORTABLE 12 135 u_int32_t residual_count; 136 union { 137 struct { 138 u_int8_t res1[3]; 139 u_int8_t type; 140 u_int32_t error_info; 141 } __packed common_info; 142 struct { 143 u_int8_t res1[2]; 144 u_int8_t offense_size; 145 u_int8_t offense_offset; 146 u_int32_t offense_value; 147 } __packed invalid_command; 148 } additional_error_info; 149 u_int8_t sense_info[0]; 150 } __packed; 151 152 struct ciss_sg_entry 153 { 154 u_int64_t address; 155 #define CISS_SG_ADDRESS_BITBUCKET (~(u_int64_t)0) 156 u_int32_t length; 157 u_int32_t :31; 158 u_int32_t extension:1; /* address points to another s/g chain */ 159 } __packed; 160 161 struct ciss_command 162 { 163 struct ciss_header header; 164 struct ciss_cdb cdb; 165 struct ciss_error_info_pointer error_info; 166 struct ciss_sg_entry sg[0]; 167 } __packed; 168 169 #define CISS_OPCODE_REPORT_LOGICAL_LUNS 0xc2 170 #define CISS_OPCODE_REPORT_PHYSICAL_LUNS 0xc3 171 172 struct ciss_lun_report 173 { 174 u_int32_t list_size; /* big-endian */ 175 u_int32_t :32; 176 union ciss_device_address lun[0]; 177 } __packed; 178 179 #define CISS_VPD_LOGICAL_DRIVE_GEOMETRY 0xc1 180 struct ciss_ldrive_geometry 181 { 182 u_int8_t periph_qualifier:3; 183 u_int8_t periph_devtype:5; 184 u_int8_t page_code; 185 u_int8_t res1; 186 u_int8_t page_length; 187 u_int16_t cylinders; /* big-endian */ 188 u_int8_t heads; 189 u_int8_t sectors; 190 u_int8_t fault_tolerance; 191 u_int8_t res2[3]; 192 } __attribute__ ((packed)); 193 194 struct ciss_report_cdb 195 { 196 u_int8_t opcode; 197 u_int8_t reserved[5]; 198 u_int32_t length; /* big-endian */ 199 u_int8_t :8; 200 u_int8_t control; 201 } __packed; 202 203 /* 204 * Note that it's not clear whether we have to set the detail field to 205 * the tag of the command to be aborted, or the tag field in the command itself; 206 * documentation conflicts on this. 207 */ 208 #define CISS_OPCODE_MESSAGE_ABORT 0x00 209 #define CISS_MESSAGE_ABORT_TASK 0x00 210 #define CISS_MESSAGE_ABORT_TASK_SET 0x01 211 #define CISS_MESSAGE_ABORT_CLEAR_ACA 0x02 212 #define CISS_MESSAGE_ABORT_CLEAR_TASK_SET 0x03 213 214 #define CISS_OPCODE_MESSAGE_RESET 0x01 215 #define CISS_MESSAGE_RESET_CONTROLLER 0x00 216 #define CISS_MESSAGE_RESET_BUS 0x01 217 #define CISS_MESSAGE_RESET_TARGET 0x03 218 #define CISS_MESSAGE_RESET_LOGICAL_UNIT 0x04 219 220 #define CISS_OPCODE_MESSAGE_SCAN 0x02 221 #define CISS_MESSAGE_SCAN_CONTROLLER 0x00 222 #define CISS_MESSAGE_SCAN_BUS 0x01 223 #define CISS_MESSAGE_SCAN_TARGET 0x03 224 #define CISS_MESSAGE_SCAN_LOGICAL_UNIT 0x04 225 226 #define CISS_OPCODE_MESSAGE_NOP 0x03 227 228 struct ciss_message_cdb 229 { 230 u_int8_t opcode; 231 u_int8_t type; 232 u_int16_t :16; 233 u_int32_t abort_tag; /* XXX endianness? */ 234 u_int8_t reserved[8]; 235 } __packed; 236 237 /* 238 * CISS vendor-specific commands/messages. 239 * 240 * Note that while messages and vendor-specific commands are 241 * differentiated, they are handled in basically the same way and can 242 * be considered to be basically the same thing, as long as the cdb 243 * type field is set correctly. 244 */ 245 #define CISS_OPCODE_READ 0xc0 246 #define CISS_OPCODE_WRITE 0xc1 247 #define CISS_COMMAND_NOTIFY_ON_EVENT 0xd0 248 #define CISS_COMMAND_ABORT_NOTIFY 0xd1 249 250 struct ciss_notify_cdb 251 { 252 u_int8_t opcode; 253 u_int8_t command; 254 u_int8_t res1[2]; 255 u_int16_t timeout; /* seconds, little-endian */ 256 u_int8_t res2; /* reserved */ 257 u_int8_t synchronous:1; /* return immediately */ 258 u_int8_t ordered:1; /* return events in recorded order */ 259 u_int8_t seek_to_oldest:1; /* reset read counter to oldest event */ 260 u_int8_t new_only:1; /* ignore any queued events */ 261 u_int8_t :4; 262 u_int32_t length; /* must be 512, little-endian */ 263 #define CISS_NOTIFY_DATA_SIZE 512 264 u_int8_t control; 265 } __packed; 266 267 #define CISS_NOTIFY_NOTIFIER 0 268 #define CISS_NOTIFY_NOTIFIER_STATUS 0 269 #define CISS_NOTIFY_NOTIFIER_PROTOCOL 1 270 271 #define CISS_NOTIFY_HOTPLUG 1 272 #define CISS_NOTIFY_HOTPLUG_PHYSICAL 0 273 #define CISS_NOTIFY_HOTPLUG_POWERSUPPLY 1 274 #define CISS_NOTIFY_HOTPLUG_FAN 2 275 #define CISS_NOTIFY_HOTPLUG_POWER 3 276 #define CISS_NOTIFY_HOTPLUG_REDUNDANT 4 277 #define CISS_NOTIFY_HOTPLUG_NONDISK 5 278 279 #define CISS_NOTIFY_HARDWARE 2 280 #define CISS_NOTIFY_HARDWARE_CABLES 0 281 #define CISS_NOTIFY_HARDWARE_MEMORY 1 282 #define CISS_NOTIFY_HARDWARE_FAN 2 283 #define CISS_NOTIFY_HARDWARE_VRM 3 284 285 #define CISS_NOTIFY_ENVIRONMENT 3 286 #define CISS_NOTIFY_ENVIRONMENT_TEMPERATURE 0 287 #define CISS_NOTIFY_ENVIRONMENT_POWERSUPPLY 1 288 #define CISS_NOTIFY_ENVIRONMENT_CHASSIS 2 289 #define CISS_NOTIFY_ENVIRONMENT_POWER 3 290 291 #define CISS_NOTIFY_PHYSICAL 4 292 #define CISS_NOTIFY_PHYSICAL_STATE 0 293 294 #define CISS_NOTIFY_LOGICAL 5 295 #define CISS_NOTIFY_LOGICAL_STATUS 0 296 #define CISS_NOTIFY_LOGICAL_ERROR 1 297 #define CISS_NOTIFY_LOGICAL_SURFACE 2 298 299 #define CISS_NOTIFY_REDUNDANT 6 300 #define CISS_NOTIFY_REDUNDANT_STATUS 0 301 302 #define CISS_NOTIFY_CISS 8 303 #define CISS_NOTIFY_CISS_REDUNDANT_CHANGE 0 304 #define CISS_NOTIFY_CISS_PATH_STATUS 1 305 #define CISS_NOTIFY_CISS_HARDWARE_ERROR 2 306 #define CISS_NOTIFY_CISS_LOGICAL 3 307 308 struct ciss_notify_drive 309 { 310 u_int16_t physical_drive_number; 311 u_int8_t configured_drive_flag; 312 u_int8_t spare_drive_flag; 313 u_int8_t big_physical_drive_number; 314 u_int8_t enclosure_bay_number; 315 } __packed; 316 317 struct ciss_notify_locator 318 { 319 u_int16_t port; 320 u_int16_t id; 321 u_int16_t box; 322 } __packed; 323 324 struct ciss_notify_redundant_controller 325 { 326 u_int16_t slot; 327 } __packed; 328 329 struct ciss_notify_logical_status 330 { 331 u_int16_t logical_drive; 332 u_int8_t previous_state; 333 u_int8_t new_state; 334 u_int8_t spare_state; 335 } __packed; 336 337 struct ciss_notify_rebuild_aborted 338 { 339 u_int16_t logical_drive; 340 u_int8_t replacement_drive; 341 u_int8_t error_drive; 342 u_int8_t big_replacement_drive; 343 u_int8_t big_error_drive; 344 } __packed; 345 346 struct ciss_notify_io_error 347 { 348 u_int16_t logical_drive; 349 u_int32_t lba; 350 u_int16_t block_count; 351 u_int8_t command; 352 u_int8_t failure_bus; 353 u_int8_t failure_drive; 354 u_int64_t big_lba; 355 } __packed; 356 357 struct ciss_notify_consistency_completed 358 { 359 u_int16_t logical_drive; 360 } __packed; 361 362 struct ciss_notify 363 { 364 u_int32_t timestamp; /* seconds since controller power-on */ 365 u_int16_t class; 366 u_int16_t subclass; 367 u_int16_t detail; 368 union 369 { 370 struct ciss_notify_drive drive; 371 struct ciss_notify_locator location; 372 struct ciss_notify_redundant_controller redundant_controller; 373 struct ciss_notify_logical_status logical_status; 374 struct ciss_notify_rebuild_aborted rebuild_aborted; 375 struct ciss_notify_io_error io_error; 376 struct ciss_notify_consistency_completed consistency_completed; 377 u_int8_t data[64]; 378 } data; 379 char message[80]; 380 u_int32_t tag; 381 u_int16_t date; 382 u_int16_t year; 383 u_int32_t time; 384 u_int16_t pre_power_up_time; 385 union ciss_device_address device; 386 /* XXX pads to 512 bytes */ 387 } __packed; 388 389 /* 390 * CISS config table, which describes the controller's 391 * supported interface(s) and capabilities. 392 * 393 * This is mapped directly via PCI. 394 */ 395 struct ciss_config_table 396 { 397 char signature[4]; /* "CISS" */ 398 u_int32_t valence; 399 u_int32_t supported_methods; 400 #define CISS_TRANSPORT_METHOD_READY (1<<0) 401 #define CISS_TRANSPORT_METHOD_SIMPLE (1<<1) 402 #define CISS_TRANSPORT_METHOD_PERF (1<<2) 403 u_int32_t active_method; 404 u_int32_t requested_method; 405 u_int32_t command_physlimit; 406 u_int32_t interrupt_coalesce_delay; 407 u_int32_t interrupt_coalesce_count; 408 u_int32_t max_outstanding_commands; 409 u_int32_t bus_types; 410 #define CISS_TRANSPORT_BUS_TYPE_ULTRA2 (1<<0) 411 #define CISS_TRANSPORT_BUS_TYPE_ULTRA3 (1<<1) 412 #define CISS_TRANSPORT_BUS_TYPE_FIBRE1 (1<<8) 413 #define CISS_TRANSPORT_BUS_TYPE_FIBRE2 (1<<9) 414 u_int32_t transport_offset; 415 char server_name[16]; 416 u_int32_t heartbeat; 417 u_int32_t host_driver; 418 #define CISS_DRIVER_SUPPORT_UNIT_ATTENTION (1<<0) 419 #define CISS_DRIVER_QUICK_INIT (1<<1) 420 #define CISS_DRIVER_INTERRUPT_ON_LOCKUP (1<<2) 421 #define CISS_DRIVER_SUPPORT_MIXED_Q_TAGS (1<<3) 422 #define CISS_DRIVER_HOST_IS_ALPHA (1<<4) 423 #define CISS_DRIVER_MULTI_LUN_SUPPORT (1<<5) 424 #define CISS_DRIVER_MESSAGE_REQUESTS_SUPPORTED (1<<7) 425 #define CISS_DRIVER_DAUGHTER_ATTACHED (1<<8) 426 #define CISS_DRIVER_SCSI_PREFETCH (1<<9) 427 u_int32_t max_sg_length; /* 31 in older firmware */ 428 /* 429 * these fields appear in OpenCISS Spec 1.06 430 * http://cciss.sourceforge.net/#docs 431 */ 432 u_int32_t max_logical_supported; 433 u_int32_t max_physical_supported; 434 u_int32_t max_physical_per_logical; 435 u_int32_t max_perfomant_mode_cmds; 436 u_int32_t max_block_fetch_count; 437 } __packed; 438 439 /* 440 * Configuration table for the Performant transport. Only 4 request queues 441 * are mentioned in this table, though apparently up to 256 can exist. 442 */ 443 struct ciss_perf_config { 444 uint32_t fetch_count[8]; 445 #define CISS_SG_FETCH_MAX 0 446 #define CISS_SG_FETCH_1 1 447 #define CISS_SG_FETCH_2 2 448 #define CISS_SG_FETCH_4 3 449 #define CISS_SG_FETCH_8 4 450 #define CISS_SG_FETCH_16 5 451 #define CISS_SG_FETCH_32 6 452 #define CISS_SG_FETCH_NONE 7 453 uint32_t rq_size; 454 uint32_t rq_count; 455 uint32_t rq_bank_lo; 456 uint32_t rq_bank_hi; 457 struct { 458 uint32_t rq_addr_lo; 459 uint32_t rq_addr_hi; 460 } __packed rq[4]; 461 } __packed; 462 463 /* 464 * In a flagrant violation of what CISS seems to be meant to be about, 465 * Compaq recycle a goodly portion of their previous generation's 466 * command set (and all the legacy baggage related to a design 467 * originally aimed at narrow SCSI) through the Array Controller Read 468 * and Array Controller Write interface. 469 * 470 * Command ID values here can be looked up for in the 471 * publically-available documentation for the older controllers; note 472 * that the command layout is necessarily different to fit within the 473 * CDB. 474 */ 475 #define CISS_ARRAY_CONTROLLER_READ 0x26 476 #define CISS_ARRAY_CONTROLLER_WRITE 0x27 477 478 #define CISS_BMIC_ID_LDRIVE 0x10 479 #define CISS_BMIC_ID_CTLR 0x11 480 #define CISS_BMIC_ID_LSTATUS 0x12 481 #define CISS_BMIC_ID_PDRIVE 0x15 482 #define CISS_BMIC_BLINK_PDRIVE 0x16 483 #define CISS_BMIC_SENSE_BLINK_PDRIVE 0x17 484 #define CISS_BMIC_SOFT_RESET 0x40 485 #define CISS_BMIC_FLUSH_CACHE 0xc2 486 #define CISS_BMIC_ACCEPT_MEDIA 0xe0 487 488 /* 489 * When numbering drives, the original design assumed that 490 * drives 0-7 are on the first SCSI bus, 8-15 on the second, 491 * and so forth. In order to handle modern SCSI configurations, 492 * the MSB is set in the drive ID field, in which case the 493 * modulus changes from 8 to the number of supported drives 494 * per SCSI bus (as obtained from the ID_CTLR command). 495 * This feature is referred to as BIG_MAP support, and we assume 496 * that all CISS controllers support it. 497 */ 498 499 #define CISS_BIG_MAP_ID(sc, bus, target) \ 500 (0x80 | \ 501 ((sc)->ciss_id->drives_per_scsi_bus * (bus)) | \ 502 (target)) 503 504 #define CISS_BIG_MAP_BUS(sc, id) \ 505 (((id) & 0x80) ? (((id) & ~0x80) / (sc)->ciss_id->drives_per_scsi_bus) : -1) 506 507 #define CISS_BIG_MAP_TARGET(sc, id) \ 508 (((id) & 0x80) ? (((id) & ~0x80) % (sc)->ciss_id->drives_per_scsi_bus) : -1) 509 510 #define CISS_BIG_MAP_ENTRIES 128 /* number of entries in a BIG_MAP */ 511 512 /* 513 * In the device address of a logical volume, the bus number 514 * is encoded into the logical lun volume number starting 515 * at the second byte, with the first byte defining the 516 * logical drive number. 517 */ 518 #define CISS_LUN_TO_BUS(x) (((x) >> 16) & 0xFF) 519 #define CISS_LUN_TO_TARGET(x) ((x) & 0xFF) 520 521 /* 522 * BMIC CDB 523 * 524 * Note that the phys_drive/res1 field is nominally the 32-bit 525 * "block number" field, but the only BMIC command(s) of interest 526 * implemented overload the MSB (note big-endian format here) 527 * to be the physical drive ID, so we define accordingly. 528 */ 529 struct ciss_bmic_cdb { 530 u_int8_t opcode; 531 u_int8_t log_drive; 532 u_int8_t phys_drive; 533 u_int8_t res1[3]; 534 u_int8_t bmic_opcode; 535 u_int16_t size; /* big-endian */ 536 u_int8_t res2; 537 } __packed; 538 539 /* 540 * BMIC command command/return structures. 541 */ 542 543 /* CISS_BMIC_ID_LDRIVE */ 544 struct ciss_bmic_id_ldrive { 545 u_int16_t block_size; 546 u_int32_t blocks_available; 547 u_int8_t drive_parameter_table[16]; /* XXX define */ 548 u_int8_t fault_tolerance; 549 #define CISS_LDRIVE_RAID0 0 550 #define CISS_LDRIVE_RAID4 1 551 #define CISS_LDRIVE_RAID1 2 552 #define CISS_LDRIVE_RAID5 3 553 #define CISS_LDRIVE_RAID51 4 554 #define CISS_LDRIVE_RAIDADG 5 555 u_int8_t res1; 556 u_int8_t bios_disable_flag; 557 u_int8_t res2; 558 u_int32_t logical_drive_identifier; 559 char logical_drive_label[64]; 560 u_int64_t big_blocks_available; 561 u_int8_t res3[410]; 562 } __packed; 563 564 /* CISS_BMIC_ID_LSTATUS */ 565 struct ciss_bmic_id_lstatus { 566 u_int8_t status; 567 #define CISS_LSTATUS_OK 0 568 #define CISS_LSTATUS_FAILED 1 569 #define CISS_LSTATUS_NOT_CONFIGURED 2 570 #define CISS_LSTATUS_INTERIM_RECOVERY 3 571 #define CISS_LSTATUS_READY_RECOVERY 4 572 #define CISS_LSTATUS_RECOVERING 5 573 #define CISS_LSTATUS_WRONG_PDRIVE 6 574 #define CISS_LSTATUS_MISSING_PDRIVE 7 575 #define CISS_LSTATUS_EXPANDING 10 576 #define CISS_LSTATUS_BECOMING_READY 11 577 #define CISS_LSTATUS_QUEUED_FOR_EXPANSION 12 578 u_int32_t deprecated_drive_failure_map; 579 u_int8_t res1[416]; 580 u_int32_t blocks_to_recover; 581 u_int8_t deprecated_drive_rebuilding; 582 u_int16_t deprecated_remap_count[32]; 583 u_int32_t deprecated_replacement_map; 584 u_int32_t deprecated_active_spare_map; 585 u_int8_t spare_configured:1; 586 u_int8_t spare_rebuilding:1; 587 u_int8_t spare_rebuilt:1; 588 u_int8_t spare_failed:1; 589 u_int8_t spare_switched:1; 590 u_int8_t spare_available:1; 591 u_int8_t res2:2; 592 u_int8_t deprecated_spare_to_replace_map[32]; 593 u_int32_t deprecated_replaced_marked_ok_map; 594 u_int8_t media_exchanged; 595 u_int8_t cache_failure; 596 u_int8_t expand_failure; 597 u_int8_t rebuild_read_failure:1; 598 u_int8_t rebuild_write_failure:1; 599 u_int8_t res3:6; 600 u_int8_t drive_failure_map[CISS_BIG_MAP_ENTRIES / 8]; 601 u_int16_t remap_count[CISS_BIG_MAP_ENTRIES]; 602 u_int8_t replacement_map[CISS_BIG_MAP_ENTRIES / 8]; 603 u_int8_t active_spare_map[CISS_BIG_MAP_ENTRIES / 8]; 604 u_int8_t spare_to_replace_map[CISS_BIG_MAP_ENTRIES]; 605 u_int8_t replaced_marked_ok_map[CISS_BIG_MAP_ENTRIES / 8]; 606 u_int8_t drive_rebuilding; 607 u_int64_t big_blocks_to_recover; 608 u_int8_t res4[28]; 609 } __packed; 610 611 /* CISS_BMIC_ID_CTLR */ 612 struct ciss_bmic_id_table { 613 u_int8_t configured_logical_drives; 614 u_int32_t config_signature; 615 char running_firmware_revision[4]; 616 char stored_firmware_revision[4]; 617 u_int8_t hardware_revision; 618 u_int8_t boot_block_revision[4]; 619 u_int32_t deprecated_drive_present_map; 620 u_int32_t deprecated_external_drive_present_map; 621 u_int32_t board_id; 622 u_int8_t swapped_error_cable; 623 u_int32_t deprecated_non_disk_map; 624 u_int8_t bad_host_ram_addr; 625 u_int8_t cpu_revision; 626 u_int8_t res3[3]; 627 char marketting_revision; 628 u_int8_t controller_flags; 629 #define CONTROLLER_FLAGS_FLASH_ROM_INSTALLED 0x01 630 #define CONTROLLER_FLAGS_DIAGS_MODE_BIT 0x02 631 #define CONTROLLER_FLAGS_EXPAND_32MB_FX 0x04 632 #define CONTROLLER_FLAGS_MORE_THAN_7_SUPPORT 0x08 633 #define CONTROLLER_FLAGS_DAISY_SUPPORT_BIT 0x10 634 #define CONTROLLER_FLAGS_RES6 0x20 635 #define CONTROLLER_FLAGS_RES7 0x40 636 #define CONTROLLER_FLAGS_BIG_MAP_SUPPORT 0x80 637 u_int8_t host_flags; 638 #define HOST_FLAGS_SDB_ASIC_WORK_AROUND 0x01 639 #define HOST_FLAGS_PCI_DATA_BUS_PARITY_SUPPORT 0x02 640 #define HOST_FLAGS_RES3 0x04 641 #define HOST_FLAGS_RES4 0x08 642 #define HOST_FLAGS_RES5 0x10 643 #define HOST_FLAGS_RES6 0x20 644 #define HOST_FLAGS_RES7 0x30 645 #define HOST_FLAGS_RES8 0x40 646 u_int8_t expand_disable_code; 647 #define EXPAND_DISABLE_NOT_NEEDED 0x01 648 #define EXPAND_DISABLE_MISSING_CACHE_BOARD 0x02 649 #define EXPAND_DISABLE_WCXC_FATAL_CACHE_BITS 0x04 650 #define EXPAND_DISABLE_CACHE_PERM_DISABLED 0x08 651 #define EXPAND_DISABLE_RAM_ALLOCATION_FAILED 0x10 652 #define EXPAND_DISABLE_BATTEREIS_DISCHARGED 0x20 653 #define EXPAND_DISABLE_RES7 0x40 654 #define EXPAND_DISABLE_REBUILD_RUNNING 0x80 655 u_int8_t scsi_chip_count; 656 u_int32_t maximum_blocks; 657 u_int32_t controller_clock; 658 u_int8_t drives_per_scsi_bus; 659 u_int8_t big_drive_present_map[CISS_BIG_MAP_ENTRIES / 8]; 660 u_int8_t big_external_drive_present_map[CISS_BIG_MAP_ENTRIES / 8]; 661 u_int8_t big_non_disk_map[CISS_BIG_MAP_ENTRIES / 8]; 662 663 u_int16_t task_flags; /* used for FW debugging */ 664 u_int8_t ICL_bus_map; /* Bitmap used for ICL between controllers */ 665 u_int8_t redund_ctlr_modes_support; /* See REDUNDANT MODE VALUES */ 666 u_int8_t curr_redund_ctlr_mode; 667 u_int8_t redund_ctlr_status; 668 u_int8_t redund_op_failure_code; 669 670 u_int8_t unsupported_nile_bus; 671 u_int8_t host_i2c_autorev; 672 u_int8_t cpld_revision; 673 u_int8_t fibre_chip_count; 674 u_int8_t daughterboard_type; 675 u_int8_t more_swapped_config_cable_error; 676 677 u_int8_t license_key_status; 678 u_int8_t access_module_status; 679 u_int8_t features_supported[12]; 680 u_int8_t rec_rom_inact_rev[4]; /* Recovery ROM inactive f/w revision */ 681 u_int8_t rec_rom_act_status; /* Recovery ROM flags */ 682 u_int8_t pci_to_pci_status; /* PCI to PCI bridge status */ 683 u_int32_t redundant_server_info; /* Reserved for future use */ 684 u_int8_t percent_write_cache; /* Percent of memory allocated to write cache */ 685 u_int16_t daughterboard_size_mb; /* Total size (MB) of cache board */ 686 u_int8_t cache_batter_count; /* Number of cache batteries */ 687 u_int16_t total_controller_mem_mb; /* Total size (MB) of atttached memory */ 688 u_int8_t more_controller_flags; /* Additional controller flags byte */ 689 u_int8_t x_board_host_i2c_rev; /* 2nd byte of 3 byte autorev field */ 690 u_int8_t battery_pic_rev; /* BBWC PIC revision */ 691 /* 692 * Below here I have no documentation on the rest of this data structure. It is 693 * inferred from the opensource cciss_vol_status application. I assume that this 694 * data strucutre is 512 bytes in total size, do not exceed it. 695 */ 696 u_int8_t bDdffVersion[4]; /* DDFF update engine version */ 697 u_int16_t usMaxLogicalUnits; /* Maximum logical units supported */ 698 u_int16_t usExtLogicalUnitCount; /* Big num configured logical units */ 699 u_int16_t usMaxPhysicalDevices; /* Maximum physical devices supported */ 700 u_int16_t usMaxPhyDrvPerLogicalUnit; /* Max physical drive per logical unit */ 701 u_int8_t bEnclosureCount; /* Number of attached enclosures */ 702 u_int8_t bExpanderCount; /* Number of expanders detected */ 703 u_int16_t usOffsetToEDPbitmap; /* Offset to extended drive present map*/ 704 u_int16_t usOffsetToEEDPbitmap; /* Offset to extended external drive present map */ 705 u_int16_t usOffsetToENDbitmap; /* Offset to extended non-disk map */ 706 u_int8_t bInternalPortStatus[8]; /* Internal port status bytes */ 707 u_int8_t bExternalPortStatus[8]; /* External port status bytes */ 708 u_int32_t uiYetMoreControllerFlags;/* Yet More Controller flags */ 709 #define YMORE_CONTROLLER_FLAGS_JBOD_SUPPORTED \ 710 ( 1 << 25 ) /* Controller has JBOD support */ 711 712 u_int8_t bLastLockup; /* Last lockup code */ 713 u_int8_t bSlot; /* PCI slot according to option ROM*/ 714 u_int16_t usBuildNum; /* Build number */ 715 u_int32_t uiMaxSafeFullStripeSize; /* Maximum safe full stripe size */ 716 u_int32_t uiTotalLength; /* Total structure length */ 717 u_int8_t bVendorID[8]; /* Vendor ID */ 718 u_int8_t bProductID[16]; /* Product ID */ 719 /* 720 * These are even more obscure as they seem to only be available in cciss_vol_status 721 */ 722 u_int32_t ExtendedLastLockupCode; 723 u_int16_t MaxRaid; 724 u_int16_t MaxParity; 725 u_int16_t MaxADGStripSize; 726 u_int16_t YetMoreSwappedCables; 727 u_int8_t MaxDevicePaths; 728 u_int8_t PowerUPNvramFlags; 729 #define PWR_UP_FLAG_JBOD_ENABLED 0x08 /*JBOD mode is enabled, all RAID features off */ 730 731 u_int16_t ZonedOffset; 732 u_int32_t FixedFieldsLength; 733 u_int8_t FWCompileTimeStamp[24]; 734 u_int32_t EvenMoreControllerFlags; 735 u_int8_t padding[240]; 736 } __packed; 737 738 /* CISS_BMIC_ID_PDRIVE */ 739 struct ciss_bmic_id_pdrive { 740 u_int8_t scsi_bus; 741 u_int8_t scsi_id; 742 u_int16_t block_size; 743 u_int32_t total_blocks; 744 u_int32_t reserved_blocks; 745 char model[40]; 746 char serial[40]; 747 char revision[8]; 748 u_int8_t inquiry_bits; 749 u_int8_t res1[2]; 750 u_int8_t drive_present:1; 751 u_int8_t non_disk:1; 752 u_int8_t wide:1; 753 u_int8_t synchronous:1; 754 u_int8_t narrow:1; 755 u_int8_t wide_downgraded_to_narrow:1; 756 u_int8_t ultra:1; 757 u_int8_t ultra2:1; 758 u_int8_t SMART:1; 759 u_int8_t SMART_errors_recorded:1; 760 u_int8_t SMART_errors_enabled:1; 761 u_int8_t SMART_errors_detected:1; 762 u_int8_t external:1; 763 u_int8_t configured:1; 764 u_int8_t configured_spare:1; 765 u_int8_t cache_saved_enabled:1; 766 u_int8_t res2; 767 u_int8_t res3:6; 768 u_int8_t cache_currently_enabled:1; 769 u_int8_t cache_safe:1; 770 u_int8_t res4[5]; 771 char connector[2]; 772 u_int8_t res5; 773 u_int8_t bay; 774 u_int16_t rpm; 775 u_int8_t drive_type; 776 u_int8_t res6[393]; 777 } __packed; 778 779 /* CISS_BMIC_BLINK_PDRIVE */ 780 /* CISS_BMIC_SENSE_BLINK_PDRIVE */ 781 struct ciss_bmic_blink_pdrive { 782 u_int32_t blink_duration; /* 10ths of a second */ 783 u_int32_t duration_elapsed; /* only for sense command */ 784 u_int8_t blinktab[256]; 785 #define CISS_BMIC_BLINK_ALL 1 786 #define CISS_BMIC_BLINK_TIMED 2 787 u_int8_t res2[248]; 788 } __packed; 789 790 /* CISS_BMIC_FLUSH_CACHE */ 791 struct ciss_bmic_flush_cache { 792 u_int16_t flag; 793 #define CISS_BMIC_FLUSH_AND_ENABLE 0 794 #define CISS_BMIC_FLUSH_AND_DISABLE 1 795 u_int8_t res1[510]; 796 } __packed; 797 798 #ifdef _KERNEL 799 /* 800 * CISS "simple" transport layer. 801 * 802 * Note that there are two slightly different versions of this interface 803 * with different interrupt mask bits. There's nothing like consistency... 804 */ 805 #define CISS_TL_SIMPLE_BAR_REGS 0x10 /* BAR pointing to register space */ 806 #define CISS_TL_SIMPLE_BAR_CFG 0x14 /* BAR pointing to space containing config table */ 807 808 #define CISS_TL_SIMPLE_IDBR 0x20 /* inbound doorbell register */ 809 #define CISS_TL_SIMPLE_IDBR_CFG_TABLE (1<<0) /* notify controller of config table update */ 810 811 #define CISS_TL_SIMPLE_ISR 0x30 /* interrupt status register */ 812 #define CISS_TL_SIMPLE_IMR 0x34 /* interrupt mask register */ 813 #define CISS_TL_SIMPLE_INTR_OPQ_SA5 (1<<3) /* OPQ not empty interrupt, SA5 boards */ 814 #define CISS_TL_SIMPLE_INTR_OPQ_SA5B (1<<2) /* OPQ not empty interrupt, SA5B boards */ 815 816 #define CISS_TL_SIMPLE_IPQ 0x40 /* inbound post queue */ 817 #define CISS_TL_SIMPLE_OPQ 0x44 /* outbound post queue */ 818 #define CISS_TL_SIMPLE_OPQ_EMPTY (~(u_int32_t)0) 819 820 #define CISS_TL_SIMPLE_OSR 0x9c /* outbound status register */ 821 #define CISS_TL_SIMPLE_ODC 0xa0 /* outbound doorbell clear register */ 822 #define CISS_TL_SIMPLE_ODC_CLEAR (0x1) 823 824 #define CISS_TL_SIMPLE_CFG_BAR 0xb4 /* should be 0x14 */ 825 #define CISS_TL_SIMPLE_CFG_OFF 0xb8 /* offset in BAR at which config table is located */ 826 827 /* 828 * Register access primitives. 829 */ 830 #define CISS_TL_SIMPLE_READ(sc, ofs) \ 831 bus_space_read_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs) 832 #define CISS_TL_SIMPLE_WRITE(sc, ofs, val) \ 833 bus_space_write_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs, val) 834 835 #define CISS_TL_SIMPLE_POST_CMD(sc, phys) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IPQ, phys) 836 #define CISS_TL_SIMPLE_FETCH_CMD(sc) CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_OPQ) 837 838 #define CISS_TL_PERF_INTR_OPQ (CISS_TL_SIMPLE_INTR_OPQ_SA5 | CISS_TL_SIMPLE_INTR_OPQ_SA5B) 839 #define CISS_TL_PERF_INTR_MSI 0x01 840 841 #define CISS_TL_PERF_POST_CMD(sc, cr) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IPQ, cr->cr_ccphys | (cr)->cr_sg_tag) 842 #define CISS_TL_PERF_FLUSH_INT(sc) CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_OSR) 843 #define CISS_TL_PERF_CLEAR_INT(sc) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_ODC, CISS_TL_SIMPLE_ODC_CLEAR) 844 #define CISS_CYCLE_MASK 0x00000001 845 846 /* Only need one MSI/MSI-X vector */ 847 #define CISS_MSI_COUNT 1 848 849 #define CISS_TL_SIMPLE_DISABLE_INTERRUPTS(sc) \ 850 CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \ 851 CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) | (sc)->ciss_interrupt_mask) 852 #define CISS_TL_SIMPLE_ENABLE_INTERRUPTS(sc) \ 853 CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \ 854 CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) & ~(sc)->ciss_interrupt_mask) 855 856 #endif /* _KERNEL */ 857