1 /*- 2 * Copyright (c) 2001 Michael Smith 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 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 #define CISS_MIN_VALENCE 1 /* only value currently supported */ 400 #define CISS_MAX_VALENCE 1 401 u_int32_t supported_methods; 402 #define CISS_TRANSPORT_METHOD_READY (1<<0) 403 #define CISS_TRANSPORT_METHOD_SIMPLE (1<<1) 404 u_int32_t active_method; 405 u_int32_t requested_method; 406 u_int32_t command_physlimit; 407 u_int32_t interrupt_coalesce_delay; 408 u_int32_t interrupt_coalesce_count; 409 u_int32_t max_outstanding_commands; 410 u_int32_t bus_types; 411 #define CISS_TRANSPORT_BUS_TYPE_ULTRA2 (1<<0) 412 #define CISS_TRANSPORT_BUS_TYPE_ULTRA3 (1<<1) 413 #define CISS_TRANSPORT_BUS_TYPE_FIBRE1 (1<<8) 414 #define CISS_TRANSPORT_BUS_TYPE_FIBRE2 (1<<9) 415 u_int32_t transport_offset; 416 char server_name[16]; 417 u_int32_t heartbeat; 418 u_int32_t host_driver; 419 #define CISS_DRIVER_SUPPORT_UNIT_ATTENTION (1<<0) 420 #define CISS_DRIVER_QUICK_INIT (1<<1) 421 #define CISS_DRIVER_INTERRUPT_ON_LOCKUP (1<<2) 422 #define CISS_DRIVER_SUPPORT_MIXED_Q_TAGS (1<<3) 423 #define CISS_DRIVER_HOST_IS_ALPHA (1<<4) 424 #define CISS_DRIVER_MULTI_LUN_SUPPORT (1<<5) 425 #define CISS_DRIVER_MESSAGE_REQUESTS_SUPPORTED (1<<7) 426 #define CISS_DRIVER_DAUGHTER_ATTACHED (1<<8) 427 #define CISS_DRIVER_SCSI_PREFETCH (1<<9) 428 u_int32_t max_sg_length; /* 31 in older firmware */ 429 } __packed; 430 431 /* 432 * In a flagrant violation of what CISS seems to be meant to be about, 433 * Compaq recycle a goodly portion of their previous generation's 434 * command set (and all the legacy baggage related to a design 435 * originally aimed at narrow SCSI) through the Array Controller Read 436 * and Array Controller Write interface. 437 * 438 * Command ID values here can be looked up for in the 439 * publically-available documentation for the older controllers; note 440 * that the command layout is necessarily different to fit within the 441 * CDB. 442 */ 443 #define CISS_ARRAY_CONTROLLER_READ 0x26 444 #define CISS_ARRAY_CONTROLLER_WRITE 0x27 445 446 #define CISS_BMIC_ID_LDRIVE 0x10 447 #define CISS_BMIC_ID_CTLR 0x11 448 #define CISS_BMIC_ID_LSTATUS 0x12 449 #define CISS_BMIC_ID_PDRIVE 0x15 450 #define CISS_BMIC_BLINK_PDRIVE 0x16 451 #define CISS_BMIC_SENSE_BLINK_PDRIVE 0x17 452 #define CISS_BMIC_SOFT_RESET 0x40 453 #define CISS_BMIC_FLUSH_CACHE 0xc2 454 #define CISS_BMIC_ACCEPT_MEDIA 0xe0 455 456 /* 457 * When numbering drives, the original design assumed that 458 * drives 0-7 are on the first SCSI bus, 8-15 on the second, 459 * and so forth. In order to handle modern SCSI configurations, 460 * the MSB is set in the drive ID field, in which case the 461 * modulus changes from 8 to the number of supported drives 462 * per SCSI bus (as obtained from the ID_CTLR command). 463 * This feature is referred to as BIG_MAP support, and we assume 464 * that all CISS controllers support it. 465 */ 466 467 #define CISS_BIG_MAP_ID(sc, bus, target) \ 468 (0x80 | \ 469 ((sc)->ciss_id->drives_per_scsi_bus * (bus)) | \ 470 (target)) 471 472 #define CISS_BIG_MAP_BUS(sc, id) \ 473 (((id) & 0x80) ? (((id) & ~0x80) / (sc)->ciss_id->drives_per_scsi_bus) : -1) 474 475 #define CISS_BIG_MAP_TARGET(sc, id) \ 476 (((id) & 0x80) ? (((id) & ~0x80) % (sc)->ciss_id->drives_per_scsi_bus) : -1) 477 478 #define CISS_BIG_MAP_ENTRIES 128 /* number of entries in a BIG_MAP */ 479 480 /* 481 * In the device address of a logical volume, the bus number 482 * is encoded into the logical lun volume number starting 483 * at the second byte, with the first byte defining the 484 * logical drive number. 485 */ 486 #define CISS_LUN_TO_BUS(x) (((x) >> 16) & 0xFF) 487 #define CISS_LUN_TO_TARGET(x) ((x) & 0xFF) 488 489 /* 490 * BMIC CDB 491 * 492 * Note that the phys_drive/res1 field is nominally the 32-bit 493 * "block number" field, but the only BMIC command(s) of interest 494 * implemented overload the MSB (note big-endian format here) 495 * to be the physical drive ID, so we define accordingly. 496 */ 497 struct ciss_bmic_cdb { 498 u_int8_t opcode; 499 u_int8_t log_drive; 500 u_int8_t phys_drive; 501 u_int8_t res1[3]; 502 u_int8_t bmic_opcode; 503 u_int16_t size; /* big-endian */ 504 u_int8_t res2; 505 } __packed; 506 507 /* 508 * BMIC command command/return structures. 509 */ 510 511 /* CISS_BMIC_ID_LDRIVE */ 512 struct ciss_bmic_id_ldrive { 513 u_int16_t block_size; 514 u_int32_t blocks_available; 515 u_int8_t drive_parameter_table[16]; /* XXX define */ 516 u_int8_t fault_tolerance; 517 #define CISS_LDRIVE_RAID0 0 518 #define CISS_LDRIVE_RAID4 1 519 #define CISS_LDRIVE_RAID1 2 520 #define CISS_LDRIVE_RAID5 3 521 #define CISS_LDRIVE_RAID51 4 522 #define CISS_LDRIVE_RAIDADG 5 523 u_int8_t res1; 524 u_int8_t bios_disable_flag; 525 u_int8_t res2; 526 u_int32_t logical_drive_identifier; 527 char logical_drive_label[64]; 528 u_int64_t big_blocks_available; 529 u_int8_t res3[410]; 530 } __packed; 531 532 /* CISS_BMIC_ID_LSTATUS */ 533 struct ciss_bmic_id_lstatus { 534 u_int8_t status; 535 #define CISS_LSTATUS_OK 0 536 #define CISS_LSTATUS_FAILED 1 537 #define CISS_LSTATUS_NOT_CONFIGURED 2 538 #define CISS_LSTATUS_INTERIM_RECOVERY 3 539 #define CISS_LSTATUS_READY_RECOVERY 4 540 #define CISS_LSTATUS_RECOVERING 5 541 #define CISS_LSTATUS_WRONG_PDRIVE 6 542 #define CISS_LSTATUS_MISSING_PDRIVE 7 543 #define CISS_LSTATUS_EXPANDING 10 544 #define CISS_LSTATUS_BECOMING_READY 11 545 #define CISS_LSTATUS_QUEUED_FOR_EXPANSION 12 546 u_int32_t deprecated_drive_failure_map; 547 u_int8_t res1[416]; 548 u_int32_t blocks_to_recover; 549 u_int8_t deprecated_drive_rebuilding; 550 u_int16_t deprecated_remap_count[32]; 551 u_int32_t deprecated_replacement_map; 552 u_int32_t deprecated_active_spare_map; 553 u_int8_t spare_configured:1; 554 u_int8_t spare_rebuilding:1; 555 u_int8_t spare_rebuilt:1; 556 u_int8_t spare_failed:1; 557 u_int8_t spare_switched:1; 558 u_int8_t spare_available:1; 559 u_int8_t res2:2; 560 u_int8_t deprecated_spare_to_replace_map[32]; 561 u_int32_t deprecated_replaced_marked_ok_map; 562 u_int8_t media_exchanged; 563 u_int8_t cache_failure; 564 u_int8_t expand_failure; 565 u_int8_t rebuild_read_failure:1; 566 u_int8_t rebuild_write_failure:1; 567 u_int8_t res3:6; 568 u_int8_t drive_failure_map[CISS_BIG_MAP_ENTRIES / 8]; 569 u_int16_t remap_count[CISS_BIG_MAP_ENTRIES]; 570 u_int8_t replacement_map[CISS_BIG_MAP_ENTRIES / 8]; 571 u_int8_t active_spare_map[CISS_BIG_MAP_ENTRIES / 8]; 572 u_int8_t spare_to_replace_map[CISS_BIG_MAP_ENTRIES]; 573 u_int8_t replaced_marked_ok_map[CISS_BIG_MAP_ENTRIES / 8]; 574 u_int8_t drive_rebuilding; 575 u_int64_t big_blocks_to_recover; 576 u_int8_t res4[28]; 577 } __packed; 578 579 /* CISS_BMIC_ID_CTLR */ 580 struct ciss_bmic_id_table { 581 u_int8_t configured_logical_drives; 582 u_int32_t config_signature; 583 char running_firmware_revision[4]; 584 char stored_firmware_revision[4]; 585 u_int8_t hardware_revision; 586 u_int8_t res1[4]; 587 u_int32_t deprecated_drive_present_map; 588 u_int32_t deprecated_external_drive_present_map; 589 u_int32_t board_id; 590 u_int8_t res2; 591 u_int32_t deprecated_non_disk_map; 592 u_int8_t res3[5]; 593 char marketting_revision; 594 u_int8_t res4:3; 595 u_int8_t more_than_seven_supported:1; 596 u_int8_t res5:3; 597 u_int8_t big_map_supported:1; /* must be set! */ 598 u_int8_t res6[2]; 599 u_int8_t scsi_bus_count; 600 u_int32_t res7; 601 u_int32_t controller_clock; 602 u_int8_t drives_per_scsi_bus; 603 u_int8_t big_drive_present_map[CISS_BIG_MAP_ENTRIES / 8]; 604 u_int8_t big_external_drive_present_map[CISS_BIG_MAP_ENTRIES / 8]; 605 u_int8_t big_non_disk_map[CISS_BIG_MAP_ENTRIES / 8]; 606 } __packed; 607 608 /* CISS_BMIC_ID_PDRIVE */ 609 struct ciss_bmic_id_pdrive { 610 u_int8_t scsi_bus; 611 u_int8_t scsi_id; 612 u_int16_t block_size; 613 u_int32_t total_blocks; 614 u_int32_t reserved_blocks; 615 char model[40]; 616 char serial[40]; 617 char revision[8]; 618 u_int8_t inquiry_bits; 619 u_int8_t res1[2]; 620 u_int8_t drive_present:1; 621 u_int8_t non_disk:1; 622 u_int8_t wide:1; 623 u_int8_t synchronous:1; 624 u_int8_t narrow:1; 625 u_int8_t wide_downgraded_to_narrow:1; 626 u_int8_t ultra:1; 627 u_int8_t ultra2:1; 628 u_int8_t SMART:1; 629 u_int8_t SMART_errors_recorded:1; 630 u_int8_t SMART_errors_enabled:1; 631 u_int8_t SMART_errors_detected:1; 632 u_int8_t external:1; 633 u_int8_t configured:1; 634 u_int8_t configured_spare:1; 635 u_int8_t cache_saved_enabled:1; 636 u_int8_t res2; 637 u_int8_t res3:6; 638 u_int8_t cache_currently_enabled:1; 639 u_int8_t cache_safe:1; 640 u_int8_t res4[5]; 641 char connector[2]; 642 u_int8_t res5; 643 u_int8_t bay; 644 u_int16_t rpm; 645 u_int8_t drive_type; 646 u_int8_t res6[393]; 647 } __packed; 648 649 /* CISS_BMIC_BLINK_PDRIVE */ 650 /* CISS_BMIC_SENSE_BLINK_PDRIVE */ 651 struct ciss_bmic_blink_pdrive { 652 u_int32_t blink_duration; /* 10ths of a second */ 653 u_int32_t duration_elapsed; /* only for sense command */ 654 u_int8_t blinktab[256]; 655 #define CISS_BMIC_BLINK_ALL 1 656 #define CISS_BMIC_BLINK_TIMED 2 657 u_int8_t res2[248]; 658 } __packed; 659 660 /* CISS_BMIC_FLUSH_CACHE */ 661 struct ciss_bmic_flush_cache { 662 u_int16_t flag; 663 #define CISS_BMIC_FLUSH_AND_ENABLE 0 664 #define CISS_BMIC_FLUSH_AND_DISABLE 1 665 u_int8_t res1[510]; 666 } __packed; 667 668 #ifdef _KERNEL 669 /* 670 * CISS "simple" transport layer. 671 * 672 * Note that there are two slightly different versions of this interface 673 * with different interrupt mask bits. There's nothing like consistency... 674 */ 675 #define CISS_TL_SIMPLE_BAR_REGS 0x10 /* BAR pointing to register space */ 676 #define CISS_TL_SIMPLE_BAR_CFG 0x14 /* BAR pointing to space containing config table */ 677 678 #define CISS_TL_SIMPLE_IDBR 0x20 /* inbound doorbell register */ 679 #define CISS_TL_SIMPLE_IDBR_CFG_TABLE (1<<0) /* notify controller of config table update */ 680 681 #define CISS_TL_SIMPLE_ISR 0x30 /* interrupt status register */ 682 #define CISS_TL_SIMPLE_IMR 0x34 /* interrupt mask register */ 683 #define CISS_TL_SIMPLE_INTR_OPQ_SA5 (1<<3) /* OPQ not empty interrupt, SA5 boards */ 684 #define CISS_TL_SIMPLE_INTR_OPQ_SA5B (1<<2) /* OPQ not empty interrupt, SA5B boards */ 685 686 #define CISS_TL_SIMPLE_IPQ 0x40 /* inbound post queue */ 687 #define CISS_TL_SIMPLE_OPQ 0x44 /* outbound post queue */ 688 #define CISS_TL_SIMPLE_OPQ_EMPTY (~(u_int32_t)0) 689 690 #define CISS_TL_SIMPLE_CFG_BAR 0xb4 /* should be 0x14 */ 691 #define CISS_TL_SIMPLE_CFG_OFF 0xb8 /* offset in BAR at which config table is located */ 692 693 /* 694 * Register access primitives. 695 */ 696 #define CISS_TL_SIMPLE_READ(sc, ofs) \ 697 bus_space_read_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs) 698 #define CISS_TL_SIMPLE_WRITE(sc, ofs, val) \ 699 bus_space_write_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs, val) 700 701 #define CISS_TL_SIMPLE_POST_CMD(sc, phys) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IPQ, phys) 702 #define CISS_TL_SIMPLE_FETCH_CMD(sc) CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_OPQ) 703 704 /* 705 * XXX documentation conflicts with the Linux driver as to whether setting or clearing 706 * bits masks interrupts 707 */ 708 #define CISS_TL_SIMPLE_DISABLE_INTERRUPTS(sc) \ 709 CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \ 710 CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) | (sc)->ciss_interrupt_mask) 711 #define CISS_TL_SIMPLE_ENABLE_INTERRUPTS(sc) \ 712 CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \ 713 CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) & ~(sc)->ciss_interrupt_mask) 714 715 #define CISS_TL_SIMPLE_OPQ_INTERRUPT(sc) \ 716 (CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_ISR) & (sc)->ciss_interrupt_mask) 717 718 #endif /* _KERNEL */ 719