1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Linux Driver for Mylex DAC960/AcceleRAID/eXtremeRAID PCI RAID Controllers 4 * 5 * This driver supports the newer, SCSI-based firmware interface only. 6 * 7 * Copyright 2018 Hannes Reinecke, SUSE Linux GmbH <hare@suse.com> 8 * 9 * Based on the original DAC960 driver, which has 10 * Copyright 1998-2001 by Leonard N. Zubkoff <lnz@dandelion.com> 11 * Portions Copyright 2002 by Mylex (An IBM Business Unit) 12 */ 13 14 #ifndef _MYRS_H 15 #define _MYRS_H 16 17 #define MYRS_MAILBOX_TIMEOUT 1000000 18 19 #define MYRS_DCMD_TAG 1 20 #define MYRS_MCMD_TAG 2 21 22 #define MYRS_LINE_BUFFER_SIZE 128 23 24 #define MYRS_PRIMARY_MONITOR_INTERVAL (10 * HZ) 25 #define MYRS_SECONDARY_MONITOR_INTERVAL (60 * HZ) 26 27 /* Maximum number of Scatter/Gather Segments supported */ 28 #define MYRS_SG_LIMIT 128 29 30 /* 31 * Number of Command and Status Mailboxes used by the 32 * DAC960 V2 Firmware Memory Mailbox Interface. 33 */ 34 #define MYRS_MAX_CMD_MBOX 512 35 #define MYRS_MAX_STAT_MBOX 512 36 37 #define MYRS_DCDB_SIZE 16 38 #define MYRS_SENSE_SIZE 14 39 40 /* 41 * DAC960 V2 Firmware Command Opcodes. 42 */ 43 enum myrs_cmd_opcode { 44 MYRS_CMD_OP_MEMCOPY = 0x01, 45 MYRS_CMD_OP_SCSI_10_PASSTHRU = 0x02, 46 MYRS_CMD_OP_SCSI_255_PASSTHRU = 0x03, 47 MYRS_CMD_OP_SCSI_10 = 0x04, 48 MYRS_CMD_OP_SCSI_256 = 0x05, 49 MYRS_CMD_OP_IOCTL = 0x20, 50 } __packed; 51 52 /* 53 * DAC960 V2 Firmware IOCTL Opcodes. 54 */ 55 enum myrs_ioctl_opcode { 56 MYRS_IOCTL_GET_CTLR_INFO = 0x01, 57 MYRS_IOCTL_GET_LDEV_INFO_VALID = 0x03, 58 MYRS_IOCTL_GET_PDEV_INFO_VALID = 0x05, 59 MYRS_IOCTL_GET_HEALTH_STATUS = 0x11, 60 MYRS_IOCTL_GET_EVENT = 0x15, 61 MYRS_IOCTL_START_DISCOVERY = 0x81, 62 MYRS_IOCTL_SET_DEVICE_STATE = 0x82, 63 MYRS_IOCTL_INIT_PDEV_START = 0x84, 64 MYRS_IOCTL_INIT_PDEV_STOP = 0x85, 65 MYRS_IOCTL_INIT_LDEV_START = 0x86, 66 MYRS_IOCTL_INIT_LDEV_STOP = 0x87, 67 MYRS_IOCTL_RBLD_DEVICE_START = 0x88, 68 MYRS_IOCTL_RBLD_DEVICE_STOP = 0x89, 69 MYRS_IOCTL_MAKE_CONSISTENT_START = 0x8A, 70 MYRS_IOCTL_MAKE_CONSISTENT_STOP = 0x8B, 71 MYRS_IOCTL_CC_START = 0x8C, 72 MYRS_IOCTL_CC_STOP = 0x8D, 73 MYRS_IOCTL_SET_MEM_MBOX = 0x8E, 74 MYRS_IOCTL_RESET_DEVICE = 0x90, 75 MYRS_IOCTL_FLUSH_DEVICE_DATA = 0x91, 76 MYRS_IOCTL_PAUSE_DEVICE = 0x92, 77 MYRS_IOCTL_UNPAUS_EDEVICE = 0x93, 78 MYRS_IOCTL_LOCATE_DEVICE = 0x94, 79 MYRS_IOCTL_CREATE_CONFIGURATION = 0xC0, 80 MYRS_IOCTL_DELETE_LDEV = 0xC1, 81 MYRS_IOCTL_REPLACE_INTERNALDEVICE = 0xC2, 82 MYRS_IOCTL_RENAME_LDEV = 0xC3, 83 MYRS_IOCTL_ADD_CONFIGURATION = 0xC4, 84 MYRS_IOCTL_XLATE_PDEV_TO_LDEV = 0xC5, 85 MYRS_IOCTL_CLEAR_CONFIGURATION = 0xCA, 86 } __packed; 87 88 /* 89 * DAC960 V2 Firmware Command Status Codes. 90 */ 91 #define MYRS_STATUS_SUCCESS 0x00 92 #define MYRS_STATUS_FAILED 0x02 93 #define MYRS_STATUS_DEVICE_BUSY 0x08 94 #define MYRS_STATUS_DEVICE_NON_RESPONSIVE 0x0E 95 #define MYRS_STATUS_DEVICE_NON_RESPONSIVE2 0x0F 96 #define MYRS_STATUS_RESERVATION_CONFLICT 0x18 97 98 /* 99 * DAC960 V2 Firmware Memory Type structure. 100 */ 101 struct myrs_mem_type { 102 enum { 103 MYRS_MEMTYPE_RESERVED = 0x00, 104 MYRS_MEMTYPE_DRAM = 0x01, 105 MYRS_MEMTYPE_EDRAM = 0x02, 106 MYRS_MEMTYPE_EDO = 0x03, 107 MYRS_MEMTYPE_SDRAM = 0x04, 108 MYRS_MEMTYPE_LAST = 0x1F, 109 } __packed mem_type:5; /* Byte 0 Bits 0-4 */ 110 unsigned rsvd:1; /* Byte 0 Bit 5 */ 111 unsigned mem_parity:1; /* Byte 0 Bit 6 */ 112 unsigned mem_ecc:1; /* Byte 0 Bit 7 */ 113 }; 114 115 /* 116 * DAC960 V2 Firmware Processor Type structure. 117 */ 118 enum myrs_cpu_type { 119 MYRS_CPUTYPE_i960CA = 0x01, 120 MYRS_CPUTYPE_i960RD = 0x02, 121 MYRS_CPUTYPE_i960RN = 0x03, 122 MYRS_CPUTYPE_i960RP = 0x04, 123 MYRS_CPUTYPE_NorthBay = 0x05, 124 MYRS_CPUTYPE_StrongArm = 0x06, 125 MYRS_CPUTYPE_i960RM = 0x07, 126 } __packed; 127 128 /* 129 * DAC960 V2 Firmware Get Controller Info reply structure. 130 */ 131 struct myrs_ctlr_info { 132 unsigned char rsvd1; /* Byte 0 */ 133 enum { 134 MYRS_SCSI_BUS = 0x00, 135 MYRS_Fibre_BUS = 0x01, 136 MYRS_PCI_BUS = 0x03 137 } __packed bus; /* Byte 1 */ 138 enum { 139 MYRS_CTLR_DAC960E = 0x01, 140 MYRS_CTLR_DAC960M = 0x08, 141 MYRS_CTLR_DAC960PD = 0x10, 142 MYRS_CTLR_DAC960PL = 0x11, 143 MYRS_CTLR_DAC960PU = 0x12, 144 MYRS_CTLR_DAC960PE = 0x13, 145 MYRS_CTLR_DAC960PG = 0x14, 146 MYRS_CTLR_DAC960PJ = 0x15, 147 MYRS_CTLR_DAC960PTL0 = 0x16, 148 MYRS_CTLR_DAC960PR = 0x17, 149 MYRS_CTLR_DAC960PRL = 0x18, 150 MYRS_CTLR_DAC960PT = 0x19, 151 MYRS_CTLR_DAC1164P = 0x1A, 152 MYRS_CTLR_DAC960PTL1 = 0x1B, 153 MYRS_CTLR_EXR2000P = 0x1C, 154 MYRS_CTLR_EXR3000P = 0x1D, 155 MYRS_CTLR_ACCELERAID352 = 0x1E, 156 MYRS_CTLR_ACCELERAID170 = 0x1F, 157 MYRS_CTLR_ACCELERAID160 = 0x20, 158 MYRS_CTLR_DAC960S = 0x60, 159 MYRS_CTLR_DAC960SU = 0x61, 160 MYRS_CTLR_DAC960SX = 0x62, 161 MYRS_CTLR_DAC960SF = 0x63, 162 MYRS_CTLR_DAC960SS = 0x64, 163 MYRS_CTLR_DAC960FL = 0x65, 164 MYRS_CTLR_DAC960LL = 0x66, 165 MYRS_CTLR_DAC960FF = 0x67, 166 MYRS_CTLR_DAC960HP = 0x68, 167 MYRS_CTLR_RAIDBRICK = 0x69, 168 MYRS_CTLR_METEOR_FL = 0x6A, 169 MYRS_CTLR_METEOR_FF = 0x6B 170 } __packed ctlr_type; /* Byte 2 */ 171 unsigned char rsvd2; /* Byte 3 */ 172 unsigned short bus_speed_mhz; /* Bytes 4-5 */ 173 unsigned char bus_width; /* Byte 6 */ 174 unsigned char flash_code; /* Byte 7 */ 175 unsigned char ports_present; /* Byte 8 */ 176 unsigned char rsvd3[7]; /* Bytes 9-15 */ 177 unsigned char bus_name[16]; /* Bytes 16-31 */ 178 unsigned char ctlr_name[16]; /* Bytes 32-47 */ 179 unsigned char rsvd4[16]; /* Bytes 48-63 */ 180 /* Firmware Release Information */ 181 unsigned char fw_major_version; /* Byte 64 */ 182 unsigned char fw_minor_version; /* Byte 65 */ 183 unsigned char fw_turn_number; /* Byte 66 */ 184 unsigned char fw_build_number; /* Byte 67 */ 185 unsigned char fw_release_day; /* Byte 68 */ 186 unsigned char fw_release_month; /* Byte 69 */ 187 unsigned char fw_release_year_hi; /* Byte 70 */ 188 unsigned char fw_release_year_lo; /* Byte 71 */ 189 /* Hardware Release Information */ 190 unsigned char hw_rev; /* Byte 72 */ 191 unsigned char rsvd5[3]; /* Bytes 73-75 */ 192 unsigned char hw_release_day; /* Byte 76 */ 193 unsigned char hw_release_month; /* Byte 77 */ 194 unsigned char hw_release_year_hi; /* Byte 78 */ 195 unsigned char hw_release_year_lo; /* Byte 79 */ 196 /* Hardware Manufacturing Information */ 197 unsigned char manuf_batch_num; /* Byte 80 */ 198 unsigned char rsvd6; /* Byte 81 */ 199 unsigned char manuf_plant_num; /* Byte 82 */ 200 unsigned char rsvd7; /* Byte 83 */ 201 unsigned char hw_manuf_day; /* Byte 84 */ 202 unsigned char hw_manuf_month; /* Byte 85 */ 203 unsigned char hw_manuf_year_hi; /* Byte 86 */ 204 unsigned char hw_manuf_year_lo; /* Byte 87 */ 205 unsigned char max_pd_per_xld; /* Byte 88 */ 206 unsigned char max_ild_per_xld; /* Byte 89 */ 207 unsigned short nvram_size_kb; /* Bytes 90-91 */ 208 unsigned char max_xld; /* Byte 92 */ 209 unsigned char rsvd8[3]; /* Bytes 93-95 */ 210 /* Unique Information per Controller */ 211 unsigned char serial_number[16]; /* Bytes 96-111 */ 212 unsigned char rsvd9[16]; /* Bytes 112-127 */ 213 /* Vendor Information */ 214 unsigned char rsvd10[3]; /* Bytes 128-130 */ 215 unsigned char oem_code; /* Byte 131 */ 216 unsigned char vendor[16]; /* Bytes 132-147 */ 217 /* Other Physical/Controller/Operation Information */ 218 unsigned char bbu_present:1; /* Byte 148 Bit 0 */ 219 unsigned char cluster_mode:1; /* Byte 148 Bit 1 */ 220 unsigned char rsvd11:6; /* Byte 148 Bits 2-7 */ 221 unsigned char rsvd12[3]; /* Bytes 149-151 */ 222 /* Physical Device Scan Information */ 223 unsigned char pscan_active:1; /* Byte 152 Bit 0 */ 224 unsigned char rsvd13:7; /* Byte 152 Bits 1-7 */ 225 unsigned char pscan_chan; /* Byte 153 */ 226 unsigned char pscan_target; /* Byte 154 */ 227 unsigned char pscan_lun; /* Byte 155 */ 228 /* Maximum Command Data Transfer Sizes */ 229 unsigned short max_transfer_size; /* Bytes 156-157 */ 230 unsigned short max_sge; /* Bytes 158-159 */ 231 /* Logical/Physical Device Counts */ 232 unsigned short ldev_present; /* Bytes 160-161 */ 233 unsigned short ldev_critical; /* Bytes 162-163 */ 234 unsigned short ldev_offline; /* Bytes 164-165 */ 235 unsigned short pdev_present; /* Bytes 166-167 */ 236 unsigned short pdisk_present; /* Bytes 168-169 */ 237 unsigned short pdisk_critical; /* Bytes 170-171 */ 238 unsigned short pdisk_offline; /* Bytes 172-173 */ 239 unsigned short max_tcq; /* Bytes 174-175 */ 240 /* Channel and Target ID Information */ 241 unsigned char physchan_present; /* Byte 176 */ 242 unsigned char virtchan_present; /* Byte 177 */ 243 unsigned char physchan_max; /* Byte 178 */ 244 unsigned char virtchan_max; /* Byte 179 */ 245 unsigned char max_targets[16]; /* Bytes 180-195 */ 246 unsigned char rsvd14[12]; /* Bytes 196-207 */ 247 /* Memory/Cache Information */ 248 unsigned short mem_size_mb; /* Bytes 208-209 */ 249 unsigned short cache_size_mb; /* Bytes 210-211 */ 250 unsigned int valid_cache_bytes; /* Bytes 212-215 */ 251 unsigned int dirty_cache_bytes; /* Bytes 216-219 */ 252 unsigned short mem_speed_mhz; /* Bytes 220-221 */ 253 unsigned char mem_data_width; /* Byte 222 */ 254 struct myrs_mem_type mem_type; /* Byte 223 */ 255 unsigned char cache_mem_type_name[16]; /* Bytes 224-239 */ 256 /* Execution Memory Information */ 257 unsigned short exec_mem_size_mb; /* Bytes 240-241 */ 258 unsigned short exec_l2_cache_size_mb; /* Bytes 242-243 */ 259 unsigned char rsvd15[8]; /* Bytes 244-251 */ 260 unsigned short exec_mem_speed_mhz; /* Bytes 252-253 */ 261 unsigned char exec_mem_data_width; /* Byte 254 */ 262 struct myrs_mem_type exec_mem_type; /* Byte 255 */ 263 unsigned char exec_mem_type_name[16]; /* Bytes 256-271 */ 264 /* CPU Type Information */ 265 struct { /* Bytes 272-335 */ 266 unsigned short cpu_speed_mhz; 267 enum myrs_cpu_type cpu_type; 268 unsigned char cpu_count; 269 unsigned char rsvd16[12]; 270 unsigned char cpu_name[16]; 271 } __packed cpu[2]; 272 /* Debugging/Profiling/Command Time Tracing Information */ 273 unsigned short cur_prof_page_num; /* Bytes 336-337 */ 274 unsigned short num_prof_waiters; /* Bytes 338-339 */ 275 unsigned short cur_trace_page_num; /* Bytes 340-341 */ 276 unsigned short num_trace_waiters; /* Bytes 342-343 */ 277 unsigned char rsvd18[8]; /* Bytes 344-351 */ 278 /* Error Counters on Physical Devices */ 279 unsigned short pdev_bus_resets; /* Bytes 352-353 */ 280 unsigned short pdev_parity_errors; /* Bytes 355-355 */ 281 unsigned short pdev_soft_errors; /* Bytes 356-357 */ 282 unsigned short pdev_cmds_failed; /* Bytes 358-359 */ 283 unsigned short pdev_misc_errors; /* Bytes 360-361 */ 284 unsigned short pdev_cmd_timeouts; /* Bytes 362-363 */ 285 unsigned short pdev_sel_timeouts; /* Bytes 364-365 */ 286 unsigned short pdev_retries_done; /* Bytes 366-367 */ 287 unsigned short pdev_aborts_done; /* Bytes 368-369 */ 288 unsigned short pdev_host_aborts_done; /* Bytes 370-371 */ 289 unsigned short pdev_predicted_failures; /* Bytes 372-373 */ 290 unsigned short pdev_host_cmds_failed; /* Bytes 374-375 */ 291 unsigned short pdev_hard_errors; /* Bytes 376-377 */ 292 unsigned char rsvd19[6]; /* Bytes 378-383 */ 293 /* Error Counters on Logical Devices */ 294 unsigned short ldev_soft_errors; /* Bytes 384-385 */ 295 unsigned short ldev_cmds_failed; /* Bytes 386-387 */ 296 unsigned short ldev_host_aborts_done; /* Bytes 388-389 */ 297 unsigned char rsvd20[2]; /* Bytes 390-391 */ 298 /* Error Counters on Controller */ 299 unsigned short ctlr_mem_errors; /* Bytes 392-393 */ 300 unsigned short ctlr_host_aborts_done; /* Bytes 394-395 */ 301 unsigned char rsvd21[4]; /* Bytes 396-399 */ 302 /* Long Duration Activity Information */ 303 unsigned short bg_init_active; /* Bytes 400-401 */ 304 unsigned short ldev_init_active; /* Bytes 402-403 */ 305 unsigned short pdev_init_active; /* Bytes 404-405 */ 306 unsigned short cc_active; /* Bytes 406-407 */ 307 unsigned short rbld_active; /* Bytes 408-409 */ 308 unsigned short exp_active; /* Bytes 410-411 */ 309 unsigned short patrol_active; /* Bytes 412-413 */ 310 unsigned char rsvd22[2]; /* Bytes 414-415 */ 311 /* Flash ROM Information */ 312 unsigned char flash_type; /* Byte 416 */ 313 unsigned char rsvd23; /* Byte 417 */ 314 unsigned short flash_size_MB; /* Bytes 418-419 */ 315 unsigned int flash_limit; /* Bytes 420-423 */ 316 unsigned int flash_count; /* Bytes 424-427 */ 317 unsigned char rsvd24[4]; /* Bytes 428-431 */ 318 unsigned char flash_type_name[16]; /* Bytes 432-447 */ 319 /* Firmware Run Time Information */ 320 unsigned char rbld_rate; /* Byte 448 */ 321 unsigned char bg_init_rate; /* Byte 449 */ 322 unsigned char fg_init_rate; /* Byte 450 */ 323 unsigned char cc_rate; /* Byte 451 */ 324 unsigned char rsvd25[4]; /* Bytes 452-455 */ 325 unsigned int max_dp; /* Bytes 456-459 */ 326 unsigned int free_dp; /* Bytes 460-463 */ 327 unsigned int max_iop; /* Bytes 464-467 */ 328 unsigned int free_iop; /* Bytes 468-471 */ 329 unsigned short max_combined_len; /* Bytes 472-473 */ 330 unsigned short num_cfg_groups; /* Bytes 474-475 */ 331 unsigned installation_abort_status:1; /* Byte 476 Bit 0 */ 332 unsigned maint_mode_status:1; /* Byte 476 Bit 1 */ 333 unsigned rsvd26:6; /* Byte 476 Bits 2-7 */ 334 unsigned char rsvd27[6]; /* Bytes 477-511 */ 335 unsigned char rsvd28[512]; /* Bytes 512-1023 */ 336 }; 337 338 /* 339 * DAC960 V2 Firmware Device State type. 340 */ 341 enum myrs_devstate { 342 MYRS_DEVICE_UNCONFIGURED = 0x00, 343 MYRS_DEVICE_ONLINE = 0x01, 344 MYRS_DEVICE_REBUILD = 0x03, 345 MYRS_DEVICE_MISSING = 0x04, 346 MYRS_DEVICE_SUSPECTED_CRITICAL = 0x05, 347 MYRS_DEVICE_OFFLINE = 0x08, 348 MYRS_DEVICE_CRITICAL = 0x09, 349 MYRS_DEVICE_SUSPECTED_DEAD = 0x0C, 350 MYRS_DEVICE_COMMANDED_OFFLINE = 0x10, 351 MYRS_DEVICE_STANDBY = 0x21, 352 MYRS_DEVICE_INVALID_STATE = 0xFF, 353 } __packed; 354 355 /* 356 * DAC960 V2 RAID Levels 357 */ 358 enum myrs_raid_level { 359 MYRS_RAID_LEVEL0 = 0x0, /* RAID 0 */ 360 MYRS_RAID_LEVEL1 = 0x1, /* RAID 1 */ 361 MYRS_RAID_LEVEL3 = 0x3, /* RAID 3 right asymmetric parity */ 362 MYRS_RAID_LEVEL5 = 0x5, /* RAID 5 right asymmetric parity */ 363 MYRS_RAID_LEVEL6 = 0x6, /* RAID 6 (Mylex RAID 6) */ 364 MYRS_RAID_JBOD = 0x7, /* RAID 7 (JBOD) */ 365 MYRS_RAID_NEWSPAN = 0x8, /* New Mylex SPAN */ 366 MYRS_RAID_LEVEL3F = 0x9, /* RAID 3 fixed parity */ 367 MYRS_RAID_LEVEL3L = 0xb, /* RAID 3 left symmetric parity */ 368 MYRS_RAID_SPAN = 0xc, /* current spanning implementation */ 369 MYRS_RAID_LEVEL5L = 0xd, /* RAID 5 left symmetric parity */ 370 MYRS_RAID_LEVELE = 0xe, /* RAID E (concatenation) */ 371 MYRS_RAID_PHYSICAL = 0xf, /* physical device */ 372 } __packed; 373 374 enum myrs_stripe_size { 375 MYRS_STRIPE_SIZE_0 = 0x0, /* no stripe (RAID 1, RAID 7, etc) */ 376 MYRS_STRIPE_SIZE_512B = 0x1, 377 MYRS_STRIPE_SIZE_1K = 0x2, 378 MYRS_STRIPE_SIZE_2K = 0x3, 379 MYRS_STRIPE_SIZE_4K = 0x4, 380 MYRS_STRIPE_SIZE_8K = 0x5, 381 MYRS_STRIPE_SIZE_16K = 0x6, 382 MYRS_STRIPE_SIZE_32K = 0x7, 383 MYRS_STRIPE_SIZE_64K = 0x8, 384 MYRS_STRIPE_SIZE_128K = 0x9, 385 MYRS_STRIPE_SIZE_256K = 0xa, 386 MYRS_STRIPE_SIZE_512K = 0xb, 387 MYRS_STRIPE_SIZE_1M = 0xc, 388 } __packed; 389 390 enum myrs_cacheline_size { 391 MYRS_CACHELINE_ZERO = 0x0, /* caching cannot be enabled */ 392 MYRS_CACHELINE_512B = 0x1, 393 MYRS_CACHELINE_1K = 0x2, 394 MYRS_CACHELINE_2K = 0x3, 395 MYRS_CACHELINE_4K = 0x4, 396 MYRS_CACHELINE_8K = 0x5, 397 MYRS_CACHELINE_16K = 0x6, 398 MYRS_CACHELINE_32K = 0x7, 399 MYRS_CACHELINE_64K = 0x8, 400 } __packed; 401 402 /* 403 * DAC960 V2 Firmware Get Logical Device Info reply structure. 404 */ 405 struct myrs_ldev_info { 406 unsigned char ctlr; /* Byte 0 */ 407 unsigned char channel; /* Byte 1 */ 408 unsigned char target; /* Byte 2 */ 409 unsigned char lun; /* Byte 3 */ 410 enum myrs_devstate dev_state; /* Byte 4 */ 411 unsigned char raid_level; /* Byte 5 */ 412 enum myrs_stripe_size stripe_size; /* Byte 6 */ 413 enum myrs_cacheline_size cacheline_size; /* Byte 7 */ 414 struct { 415 enum { 416 MYRS_READCACHE_DISABLED = 0x0, 417 MYRS_READCACHE_ENABLED = 0x1, 418 MYRS_READAHEAD_ENABLED = 0x2, 419 MYRS_INTELLIGENT_READAHEAD_ENABLED = 0x3, 420 MYRS_READCACHE_LAST = 0x7, 421 } __packed rce:3; /* Byte 8 Bits 0-2 */ 422 enum { 423 MYRS_WRITECACHE_DISABLED = 0x0, 424 MYRS_LOGICALDEVICE_RO = 0x1, 425 MYRS_WRITECACHE_ENABLED = 0x2, 426 MYRS_INTELLIGENT_WRITECACHE_ENABLED = 0x3, 427 MYRS_WRITECACHE_LAST = 0x7, 428 } __packed wce:3; /* Byte 8 Bits 3-5 */ 429 unsigned rsvd1:1; /* Byte 8 Bit 6 */ 430 unsigned ldev_init_done:1; /* Byte 8 Bit 7 */ 431 } ldev_control; /* Byte 8 */ 432 /* Logical Device Operations Status */ 433 unsigned char cc_active:1; /* Byte 9 Bit 0 */ 434 unsigned char rbld_active:1; /* Byte 9 Bit 1 */ 435 unsigned char bg_init_active:1; /* Byte 9 Bit 2 */ 436 unsigned char fg_init_active:1; /* Byte 9 Bit 3 */ 437 unsigned char migration_active:1; /* Byte 9 Bit 4 */ 438 unsigned char patrol_active:1; /* Byte 9 Bit 5 */ 439 unsigned char rsvd2:2; /* Byte 9 Bits 6-7 */ 440 unsigned char raid5_writeupdate; /* Byte 10 */ 441 unsigned char raid5_algo; /* Byte 11 */ 442 unsigned short ldev_num; /* Bytes 12-13 */ 443 /* BIOS Info */ 444 unsigned char bios_disabled:1; /* Byte 14 Bit 0 */ 445 unsigned char cdrom_boot:1; /* Byte 14 Bit 1 */ 446 unsigned char drv_coercion:1; /* Byte 14 Bit 2 */ 447 unsigned char write_same_disabled:1; /* Byte 14 Bit 3 */ 448 unsigned char hba_mode:1; /* Byte 14 Bit 4 */ 449 enum { 450 MYRS_GEOMETRY_128_32 = 0x0, 451 MYRS_GEOMETRY_255_63 = 0x1, 452 MYRS_GEOMETRY_RSVD1 = 0x2, 453 MYRS_GEOMETRY_RSVD2 = 0x3 454 } __packed drv_geom:2; /* Byte 14 Bits 5-6 */ 455 unsigned char super_ra_enabled:1; /* Byte 14 Bit 7 */ 456 unsigned char rsvd3; /* Byte 15 */ 457 /* Error Counters */ 458 unsigned short soft_errs; /* Bytes 16-17 */ 459 unsigned short cmds_failed; /* Bytes 18-19 */ 460 unsigned short cmds_aborted; /* Bytes 20-21 */ 461 unsigned short deferred_write_errs; /* Bytes 22-23 */ 462 unsigned int rsvd4; /* Bytes 24-27 */ 463 unsigned int rsvd5; /* Bytes 28-31 */ 464 /* Device Size Information */ 465 unsigned short rsvd6; /* Bytes 32-33 */ 466 unsigned short devsize_bytes; /* Bytes 34-35 */ 467 unsigned int orig_devsize; /* Bytes 36-39 */ 468 unsigned int cfg_devsize; /* Bytes 40-43 */ 469 unsigned int rsvd7; /* Bytes 44-47 */ 470 unsigned char ldev_name[32]; /* Bytes 48-79 */ 471 unsigned char inquiry[36]; /* Bytes 80-115 */ 472 unsigned char rsvd8[12]; /* Bytes 116-127 */ 473 u64 last_read_lba; /* Bytes 128-135 */ 474 u64 last_write_lba; /* Bytes 136-143 */ 475 u64 cc_lba; /* Bytes 144-151 */ 476 u64 rbld_lba; /* Bytes 152-159 */ 477 u64 bg_init_lba; /* Bytes 160-167 */ 478 u64 fg_init_lba; /* Bytes 168-175 */ 479 u64 migration_lba; /* Bytes 176-183 */ 480 u64 patrol_lba; /* Bytes 184-191 */ 481 unsigned char rsvd9[64]; /* Bytes 192-255 */ 482 }; 483 484 /* 485 * DAC960 V2 Firmware Get Physical Device Info reply structure. 486 */ 487 struct myrs_pdev_info { 488 unsigned char rsvd1; /* Byte 0 */ 489 unsigned char channel; /* Byte 1 */ 490 unsigned char target; /* Byte 2 */ 491 unsigned char lun; /* Byte 3 */ 492 /* Configuration Status Bits */ 493 unsigned char pdev_fault_tolerant:1; /* Byte 4 Bit 0 */ 494 unsigned char pdev_connected:1; /* Byte 4 Bit 1 */ 495 unsigned char pdev_local_to_ctlr:1; /* Byte 4 Bit 2 */ 496 unsigned char rsvd2:5; /* Byte 4 Bits 3-7 */ 497 /* Multiple Host/Controller Status Bits */ 498 unsigned char remote_host_dead:1; /* Byte 5 Bit 0 */ 499 unsigned char remove_ctlr_dead:1; /* Byte 5 Bit 1 */ 500 unsigned char rsvd3:6; /* Byte 5 Bits 2-7 */ 501 enum myrs_devstate dev_state; /* Byte 6 */ 502 unsigned char nego_data_width; /* Byte 7 */ 503 unsigned short nego_sync_rate; /* Bytes 8-9 */ 504 /* Multiported Physical Device Information */ 505 unsigned char num_ports; /* Byte 10 */ 506 unsigned char drv_access_bitmap; /* Byte 11 */ 507 unsigned int rsvd4; /* Bytes 12-15 */ 508 unsigned char ip_address[16]; /* Bytes 16-31 */ 509 unsigned short max_tags; /* Bytes 32-33 */ 510 /* Physical Device Operations Status */ 511 unsigned char cc_in_progress:1; /* Byte 34 Bit 0 */ 512 unsigned char rbld_in_progress:1; /* Byte 34 Bit 1 */ 513 unsigned char makecc_in_progress:1; /* Byte 34 Bit 2 */ 514 unsigned char pdevinit_in_progress:1; /* Byte 34 Bit 3 */ 515 unsigned char migration_in_progress:1; /* Byte 34 Bit 4 */ 516 unsigned char patrol_in_progress:1; /* Byte 34 Bit 5 */ 517 unsigned char rsvd5:2; /* Byte 34 Bits 6-7 */ 518 unsigned char long_op_status; /* Byte 35 */ 519 unsigned char parity_errs; /* Byte 36 */ 520 unsigned char soft_errs; /* Byte 37 */ 521 unsigned char hard_errs; /* Byte 38 */ 522 unsigned char misc_errs; /* Byte 39 */ 523 unsigned char cmd_timeouts; /* Byte 40 */ 524 unsigned char retries; /* Byte 41 */ 525 unsigned char aborts; /* Byte 42 */ 526 unsigned char pred_failures; /* Byte 43 */ 527 unsigned int rsvd6; /* Bytes 44-47 */ 528 unsigned short rsvd7; /* Bytes 48-49 */ 529 unsigned short devsize_bytes; /* Bytes 50-51 */ 530 unsigned int orig_devsize; /* Bytes 52-55 */ 531 unsigned int cfg_devsize; /* Bytes 56-59 */ 532 unsigned int rsvd8; /* Bytes 60-63 */ 533 unsigned char pdev_name[16]; /* Bytes 64-79 */ 534 unsigned char rsvd9[16]; /* Bytes 80-95 */ 535 unsigned char rsvd10[32]; /* Bytes 96-127 */ 536 unsigned char inquiry[36]; /* Bytes 128-163 */ 537 unsigned char rsvd11[20]; /* Bytes 164-183 */ 538 unsigned char rsvd12[8]; /* Bytes 184-191 */ 539 u64 last_read_lba; /* Bytes 192-199 */ 540 u64 last_write_lba; /* Bytes 200-207 */ 541 u64 cc_lba; /* Bytes 208-215 */ 542 u64 rbld_lba; /* Bytes 216-223 */ 543 u64 makecc_lba; /* Bytes 224-231 */ 544 u64 devinit_lba; /* Bytes 232-239 */ 545 u64 migration_lba; /* Bytes 240-247 */ 546 u64 patrol_lba; /* Bytes 248-255 */ 547 unsigned char rsvd13[256]; /* Bytes 256-511 */ 548 }; 549 550 /* 551 * DAC960 V2 Firmware Health Status Buffer structure. 552 */ 553 struct myrs_fwstat { 554 unsigned int uptime_usecs; /* Bytes 0-3 */ 555 unsigned int uptime_msecs; /* Bytes 4-7 */ 556 unsigned int seconds; /* Bytes 8-11 */ 557 unsigned char rsvd1[4]; /* Bytes 12-15 */ 558 unsigned int epoch; /* Bytes 16-19 */ 559 unsigned char rsvd2[4]; /* Bytes 20-23 */ 560 unsigned int dbg_msgbuf_idx; /* Bytes 24-27 */ 561 unsigned int coded_msgbuf_idx; /* Bytes 28-31 */ 562 unsigned int cur_timetrace_page; /* Bytes 32-35 */ 563 unsigned int cur_prof_page; /* Bytes 36-39 */ 564 unsigned int next_evseq; /* Bytes 40-43 */ 565 unsigned char rsvd3[4]; /* Bytes 44-47 */ 566 unsigned char rsvd4[16]; /* Bytes 48-63 */ 567 unsigned char rsvd5[64]; /* Bytes 64-127 */ 568 }; 569 570 /* 571 * DAC960 V2 Firmware Get Event reply structure. 572 */ 573 struct myrs_event { 574 unsigned int ev_seq; /* Bytes 0-3 */ 575 unsigned int ev_time; /* Bytes 4-7 */ 576 unsigned int ev_code; /* Bytes 8-11 */ 577 unsigned char rsvd1; /* Byte 12 */ 578 unsigned char channel; /* Byte 13 */ 579 unsigned char target; /* Byte 14 */ 580 unsigned char lun; /* Byte 15 */ 581 unsigned int rsvd2; /* Bytes 16-19 */ 582 unsigned int ev_parm; /* Bytes 20-23 */ 583 unsigned char sense_data[40]; /* Bytes 24-63 */ 584 }; 585 586 /* 587 * DAC960 V2 Firmware Command Control Bits structure. 588 */ 589 struct myrs_cmd_ctrl { 590 unsigned char fua:1; /* Byte 0 Bit 0 */ 591 unsigned char disable_pgout:1; /* Byte 0 Bit 1 */ 592 unsigned char rsvd1:1; /* Byte 0 Bit 2 */ 593 unsigned char add_sge_mem:1; /* Byte 0 Bit 3 */ 594 unsigned char dma_ctrl_to_host:1; /* Byte 0 Bit 4 */ 595 unsigned char rsvd2:1; /* Byte 0 Bit 5 */ 596 unsigned char no_autosense:1; /* Byte 0 Bit 6 */ 597 unsigned char disc_prohibited:1; /* Byte 0 Bit 7 */ 598 }; 599 600 /* 601 * DAC960 V2 Firmware Command Timeout structure. 602 */ 603 struct myrs_cmd_tmo { 604 unsigned char tmo_val:6; /* Byte 0 Bits 0-5 */ 605 enum { 606 MYRS_TMO_SCALE_SECONDS = 0, 607 MYRS_TMO_SCALE_MINUTES = 1, 608 MYRS_TMO_SCALE_HOURS = 2, 609 MYRS_TMO_SCALE_RESERVED = 3 610 } __packed tmo_scale:2; /* Byte 0 Bits 6-7 */ 611 }; 612 613 /* 614 * DAC960 V2 Firmware Physical Device structure. 615 */ 616 struct myrs_pdev { 617 unsigned char lun; /* Byte 0 */ 618 unsigned char target; /* Byte 1 */ 619 unsigned char channel:3; /* Byte 2 Bits 0-2 */ 620 unsigned char ctlr:5; /* Byte 2 Bits 3-7 */ 621 } __packed; 622 623 /* 624 * DAC960 V2 Firmware Logical Device structure. 625 */ 626 struct myrs_ldev { 627 unsigned short ldev_num; /* Bytes 0-1 */ 628 unsigned char rsvd:3; /* Byte 2 Bits 0-2 */ 629 unsigned char ctlr:5; /* Byte 2 Bits 3-7 */ 630 } __packed; 631 632 /* 633 * DAC960 V2 Firmware Operation Device type. 634 */ 635 enum myrs_opdev { 636 MYRS_PHYSICAL_DEVICE = 0x00, 637 MYRS_RAID_DEVICE = 0x01, 638 MYRS_PHYSICAL_CHANNEL = 0x02, 639 MYRS_RAID_CHANNEL = 0x03, 640 MYRS_PHYSICAL_CONTROLLER = 0x04, 641 MYRS_RAID_CONTROLLER = 0x05, 642 MYRS_CONFIGURATION_GROUP = 0x10, 643 MYRS_ENCLOSURE = 0x11, 644 } __packed; 645 646 /* 647 * DAC960 V2 Firmware Translate Physical To Logical Device structure. 648 */ 649 struct myrs_devmap { 650 unsigned short ldev_num; /* Bytes 0-1 */ 651 unsigned short rsvd; /* Bytes 2-3 */ 652 unsigned char prev_boot_ctlr; /* Byte 4 */ 653 unsigned char prev_boot_channel; /* Byte 5 */ 654 unsigned char prev_boot_target; /* Byte 6 */ 655 unsigned char prev_boot_lun; /* Byte 7 */ 656 }; 657 658 /* 659 * DAC960 V2 Firmware Scatter/Gather List Entry structure. 660 */ 661 struct myrs_sge { 662 u64 sge_addr; /* Bytes 0-7 */ 663 u64 sge_count; /* Bytes 8-15 */ 664 }; 665 666 /* 667 * DAC960 V2 Firmware Data Transfer Memory Address structure. 668 */ 669 union myrs_sgl { 670 struct myrs_sge sge[2]; /* Bytes 0-31 */ 671 struct { 672 unsigned short sge0_len; /* Bytes 0-1 */ 673 unsigned short sge1_len; /* Bytes 2-3 */ 674 unsigned short sge2_len; /* Bytes 4-5 */ 675 unsigned short rsvd; /* Bytes 6-7 */ 676 u64 sge0_addr; /* Bytes 8-15 */ 677 u64 sge1_addr; /* Bytes 16-23 */ 678 u64 sge2_addr; /* Bytes 24-31 */ 679 } ext; 680 }; 681 682 /* 683 * 64 Byte DAC960 V2 Firmware Command Mailbox structure. 684 */ 685 union myrs_cmd_mbox { 686 unsigned int words[16]; /* Words 0-15 */ 687 struct { 688 unsigned short id; /* Bytes 0-1 */ 689 enum myrs_cmd_opcode opcode; /* Byte 2 */ 690 struct myrs_cmd_ctrl control; /* Byte 3 */ 691 u32 dma_size:24; /* Bytes 4-6 */ 692 unsigned char dma_num; /* Byte 7 */ 693 u64 sense_addr; /* Bytes 8-15 */ 694 unsigned int rsvd1:24; /* Bytes 16-18 */ 695 struct myrs_cmd_tmo tmo; /* Byte 19 */ 696 unsigned char sense_len; /* Byte 20 */ 697 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 698 unsigned char rsvd2[10]; /* Bytes 22-31 */ 699 union myrs_sgl dma_addr; /* Bytes 32-63 */ 700 } common; 701 struct { 702 unsigned short id; /* Bytes 0-1 */ 703 enum myrs_cmd_opcode opcode; /* Byte 2 */ 704 struct myrs_cmd_ctrl control; /* Byte 3 */ 705 u32 dma_size; /* Bytes 4-7 */ 706 u64 sense_addr; /* Bytes 8-15 */ 707 struct myrs_pdev pdev; /* Bytes 16-18 */ 708 struct myrs_cmd_tmo tmo; /* Byte 19 */ 709 unsigned char sense_len; /* Byte 20 */ 710 unsigned char cdb_len; /* Byte 21 */ 711 unsigned char cdb[10]; /* Bytes 22-31 */ 712 union myrs_sgl dma_addr; /* Bytes 32-63 */ 713 } SCSI_10; 714 struct { 715 unsigned short id; /* Bytes 0-1 */ 716 enum myrs_cmd_opcode opcode; /* Byte 2 */ 717 struct myrs_cmd_ctrl control; /* Byte 3 */ 718 u32 dma_size; /* Bytes 4-7 */ 719 u64 sense_addr; /* Bytes 8-15 */ 720 struct myrs_pdev pdev; /* Bytes 16-18 */ 721 struct myrs_cmd_tmo tmo; /* Byte 19 */ 722 unsigned char sense_len; /* Byte 20 */ 723 unsigned char cdb_len; /* Byte 21 */ 724 unsigned short rsvd; /* Bytes 22-23 */ 725 u64 cdb_addr; /* Bytes 24-31 */ 726 union myrs_sgl dma_addr; /* Bytes 32-63 */ 727 } SCSI_255; 728 struct { 729 unsigned short id; /* Bytes 0-1 */ 730 enum myrs_cmd_opcode opcode; /* Byte 2 */ 731 struct myrs_cmd_ctrl control; /* Byte 3 */ 732 u32 dma_size:24; /* Bytes 4-6 */ 733 unsigned char dma_num; /* Byte 7 */ 734 u64 sense_addr; /* Bytes 8-15 */ 735 unsigned short rsvd1; /* Bytes 16-17 */ 736 unsigned char ctlr_num; /* Byte 18 */ 737 struct myrs_cmd_tmo tmo; /* Byte 19 */ 738 unsigned char sense_len; /* Byte 20 */ 739 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 740 unsigned char rsvd2[10]; /* Bytes 22-31 */ 741 union myrs_sgl dma_addr; /* Bytes 32-63 */ 742 } ctlr_info; 743 struct { 744 unsigned short id; /* Bytes 0-1 */ 745 enum myrs_cmd_opcode opcode; /* Byte 2 */ 746 struct myrs_cmd_ctrl control; /* Byte 3 */ 747 u32 dma_size:24; /* Bytes 4-6 */ 748 unsigned char dma_num; /* Byte 7 */ 749 u64 sense_addr; /* Bytes 8-15 */ 750 struct myrs_ldev ldev; /* Bytes 16-18 */ 751 struct myrs_cmd_tmo tmo; /* Byte 19 */ 752 unsigned char sense_len; /* Byte 20 */ 753 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 754 unsigned char rsvd[10]; /* Bytes 22-31 */ 755 union myrs_sgl dma_addr; /* Bytes 32-63 */ 756 } ldev_info; 757 struct { 758 unsigned short id; /* Bytes 0-1 */ 759 enum myrs_cmd_opcode opcode; /* Byte 2 */ 760 struct myrs_cmd_ctrl control; /* Byte 3 */ 761 u32 dma_size:24; /* Bytes 4-6 */ 762 unsigned char dma_num; /* Byte 7 */ 763 u64 sense_addr; /* Bytes 8-15 */ 764 struct myrs_pdev pdev; /* Bytes 16-18 */ 765 struct myrs_cmd_tmo tmo; /* Byte 19 */ 766 unsigned char sense_len; /* Byte 20 */ 767 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 768 unsigned char rsvd[10]; /* Bytes 22-31 */ 769 union myrs_sgl dma_addr; /* Bytes 32-63 */ 770 } pdev_info; 771 struct { 772 unsigned short id; /* Bytes 0-1 */ 773 enum myrs_cmd_opcode opcode; /* Byte 2 */ 774 struct myrs_cmd_ctrl control; /* Byte 3 */ 775 u32 dma_size:24; /* Bytes 4-6 */ 776 unsigned char dma_num; /* Byte 7 */ 777 u64 sense_addr; /* Bytes 8-15 */ 778 unsigned short evnum_upper; /* Bytes 16-17 */ 779 unsigned char ctlr_num; /* Byte 18 */ 780 struct myrs_cmd_tmo tmo; /* Byte 19 */ 781 unsigned char sense_len; /* Byte 20 */ 782 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 783 unsigned short evnum_lower; /* Bytes 22-23 */ 784 unsigned char rsvd[8]; /* Bytes 24-31 */ 785 union myrs_sgl dma_addr; /* Bytes 32-63 */ 786 } get_event; 787 struct { 788 unsigned short id; /* Bytes 0-1 */ 789 enum myrs_cmd_opcode opcode; /* Byte 2 */ 790 struct myrs_cmd_ctrl control; /* Byte 3 */ 791 u32 dma_size:24; /* Bytes 4-6 */ 792 unsigned char dma_num; /* Byte 7 */ 793 u64 sense_addr; /* Bytes 8-15 */ 794 union { 795 struct myrs_ldev ldev; /* Bytes 16-18 */ 796 struct myrs_pdev pdev; /* Bytes 16-18 */ 797 }; 798 struct myrs_cmd_tmo tmo; /* Byte 19 */ 799 unsigned char sense_len; /* Byte 20 */ 800 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 801 enum myrs_devstate state; /* Byte 22 */ 802 unsigned char rsvd[9]; /* Bytes 23-31 */ 803 union myrs_sgl dma_addr; /* Bytes 32-63 */ 804 } set_devstate; 805 struct { 806 unsigned short id; /* Bytes 0-1 */ 807 enum myrs_cmd_opcode opcode; /* Byte 2 */ 808 struct myrs_cmd_ctrl control; /* Byte 3 */ 809 u32 dma_size:24; /* Bytes 4-6 */ 810 unsigned char dma_num; /* Byte 7 */ 811 u64 sense_addr; /* Bytes 8-15 */ 812 struct myrs_ldev ldev; /* Bytes 16-18 */ 813 struct myrs_cmd_tmo tmo; /* Byte 19 */ 814 unsigned char sense_len; /* Byte 20 */ 815 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 816 unsigned char restore_consistency:1; /* Byte 22 Bit 0 */ 817 unsigned char initialized_area_only:1; /* Byte 22 Bit 1 */ 818 unsigned char rsvd1:6; /* Byte 22 Bits 2-7 */ 819 unsigned char rsvd2[9]; /* Bytes 23-31 */ 820 union myrs_sgl dma_addr; /* Bytes 32-63 */ 821 } cc; 822 struct { 823 unsigned short id; /* Bytes 0-1 */ 824 enum myrs_cmd_opcode opcode; /* Byte 2 */ 825 struct myrs_cmd_ctrl control; /* Byte 3 */ 826 unsigned char first_cmd_mbox_size_kb; /* Byte 4 */ 827 unsigned char first_stat_mbox_size_kb; /* Byte 5 */ 828 unsigned char second_cmd_mbox_size_kb; /* Byte 6 */ 829 unsigned char second_stat_mbox_size_kb; /* Byte 7 */ 830 u64 sense_addr; /* Bytes 8-15 */ 831 unsigned int rsvd1:24; /* Bytes 16-18 */ 832 struct myrs_cmd_tmo tmo; /* Byte 19 */ 833 unsigned char sense_len; /* Byte 20 */ 834 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 835 unsigned char fwstat_buf_size_kb; /* Byte 22 */ 836 unsigned char rsvd2; /* Byte 23 */ 837 u64 fwstat_buf_addr; /* Bytes 24-31 */ 838 u64 first_cmd_mbox_addr; /* Bytes 32-39 */ 839 u64 first_stat_mbox_addr; /* Bytes 40-47 */ 840 u64 second_cmd_mbox_addr; /* Bytes 48-55 */ 841 u64 second_stat_mbox_addr; /* Bytes 56-63 */ 842 } set_mbox; 843 struct { 844 unsigned short id; /* Bytes 0-1 */ 845 enum myrs_cmd_opcode opcode; /* Byte 2 */ 846 struct myrs_cmd_ctrl control; /* Byte 3 */ 847 u32 dma_size:24; /* Bytes 4-6 */ 848 unsigned char dma_num; /* Byte 7 */ 849 u64 sense_addr; /* Bytes 8-15 */ 850 struct myrs_pdev pdev; /* Bytes 16-18 */ 851 struct myrs_cmd_tmo tmo; /* Byte 19 */ 852 unsigned char sense_len; /* Byte 20 */ 853 enum myrs_ioctl_opcode ioctl_opcode; /* Byte 21 */ 854 enum myrs_opdev opdev; /* Byte 22 */ 855 unsigned char rsvd[9]; /* Bytes 23-31 */ 856 union myrs_sgl dma_addr; /* Bytes 32-63 */ 857 } dev_op; 858 }; 859 860 /* 861 * DAC960 V2 Firmware Controller Status Mailbox structure. 862 */ 863 struct myrs_stat_mbox { 864 unsigned short id; /* Bytes 0-1 */ 865 unsigned char status; /* Byte 2 */ 866 unsigned char sense_len; /* Byte 3 */ 867 int residual; /* Bytes 4-7 */ 868 }; 869 870 struct myrs_cmdblk { 871 union myrs_cmd_mbox mbox; 872 unsigned char status; 873 unsigned char sense_len; 874 int residual; 875 struct completion *complete; 876 struct myrs_sge *sgl; 877 dma_addr_t sgl_addr; 878 unsigned char *dcdb; 879 dma_addr_t dcdb_dma; 880 unsigned char *sense; 881 dma_addr_t sense_addr; 882 }; 883 884 /* 885 * DAC960 Driver Controller structure. 886 */ 887 struct myrs_hba { 888 void __iomem *io_base; 889 void __iomem *mmio_base; 890 phys_addr_t io_addr; 891 phys_addr_t pci_addr; 892 unsigned int irq; 893 894 unsigned char model_name[28]; 895 unsigned char fw_version[12]; 896 897 struct Scsi_Host *host; 898 struct pci_dev *pdev; 899 900 unsigned int epoch; 901 unsigned int next_evseq; 902 /* Monitor flags */ 903 bool needs_update; 904 bool disable_enc_msg; 905 906 struct workqueue_struct *work_q; 907 struct delayed_work monitor_work; 908 unsigned long primary_monitor_time; 909 unsigned long secondary_monitor_time; 910 911 spinlock_t queue_lock; 912 913 struct dma_pool *sg_pool; 914 struct dma_pool *sense_pool; 915 struct dma_pool *dcdb_pool; 916 917 void (*write_cmd_mbox)(union myrs_cmd_mbox *next_mbox, 918 union myrs_cmd_mbox *cmd_mbox); 919 void (*get_cmd_mbox)(void __iomem *base); 920 void (*disable_intr)(void __iomem *base); 921 void (*reset)(void __iomem *base); 922 923 dma_addr_t cmd_mbox_addr; 924 size_t cmd_mbox_size; 925 union myrs_cmd_mbox *first_cmd_mbox; 926 union myrs_cmd_mbox *last_cmd_mbox; 927 union myrs_cmd_mbox *next_cmd_mbox; 928 union myrs_cmd_mbox *prev_cmd_mbox1; 929 union myrs_cmd_mbox *prev_cmd_mbox2; 930 931 dma_addr_t stat_mbox_addr; 932 size_t stat_mbox_size; 933 struct myrs_stat_mbox *first_stat_mbox; 934 struct myrs_stat_mbox *last_stat_mbox; 935 struct myrs_stat_mbox *next_stat_mbox; 936 937 struct myrs_cmdblk dcmd_blk; 938 struct myrs_cmdblk mcmd_blk; 939 struct mutex dcmd_mutex; 940 941 struct myrs_fwstat *fwstat_buf; 942 dma_addr_t fwstat_addr; 943 944 struct myrs_ctlr_info *ctlr_info; 945 struct mutex cinfo_mutex; 946 947 struct myrs_event *event_buf; 948 }; 949 950 typedef unsigned char (*enable_mbox_t)(void __iomem *base, dma_addr_t addr); 951 typedef int (*myrs_hwinit_t)(struct pci_dev *pdev, 952 struct myrs_hba *c, void __iomem *base); 953 954 struct myrs_privdata { 955 myrs_hwinit_t hw_init; 956 irq_handler_t irq_handler; 957 unsigned int mmio_size; 958 }; 959 960 /* 961 * DAC960 GEM Series Controller Interface Register Offsets. 962 */ 963 964 #define DAC960_GEM_mmio_size 0x600 965 966 enum DAC960_GEM_reg_offset { 967 DAC960_GEM_IDB_READ_OFFSET = 0x214, 968 DAC960_GEM_IDB_CLEAR_OFFSET = 0x218, 969 DAC960_GEM_ODB_READ_OFFSET = 0x224, 970 DAC960_GEM_ODB_CLEAR_OFFSET = 0x228, 971 DAC960_GEM_IRQSTS_OFFSET = 0x208, 972 DAC960_GEM_IRQMASK_READ_OFFSET = 0x22C, 973 DAC960_GEM_IRQMASK_CLEAR_OFFSET = 0x230, 974 DAC960_GEM_CMDMBX_OFFSET = 0x510, 975 DAC960_GEM_CMDSTS_OFFSET = 0x518, 976 DAC960_GEM_ERRSTS_READ_OFFSET = 0x224, 977 DAC960_GEM_ERRSTS_CLEAR_OFFSET = 0x228, 978 }; 979 980 /* 981 * DAC960 GEM Series Inbound Door Bell Register. 982 */ 983 #define DAC960_GEM_IDB_HWMBOX_NEW_CMD 0x01 984 #define DAC960_GEM_IDB_HWMBOX_ACK_STS 0x02 985 #define DAC960_GEM_IDB_GEN_IRQ 0x04 986 #define DAC960_GEM_IDB_CTRL_RESET 0x08 987 #define DAC960_GEM_IDB_MMBOX_NEW_CMD 0x10 988 989 #define DAC960_GEM_IDB_HWMBOX_FULL 0x01 990 #define DAC960_GEM_IDB_INIT_IN_PROGRESS 0x02 991 992 /* 993 * DAC960 GEM Series Outbound Door Bell Register. 994 */ 995 #define DAC960_GEM_ODB_HWMBOX_ACK_IRQ 0x01 996 #define DAC960_GEM_ODB_MMBOX_ACK_IRQ 0x02 997 #define DAC960_GEM_ODB_HWMBOX_STS_AVAIL 0x01 998 #define DAC960_GEM_ODB_MMBOX_STS_AVAIL 0x02 999 1000 /* 1001 * DAC960 GEM Series Interrupt Mask Register. 1002 */ 1003 #define DAC960_GEM_IRQMASK_HWMBOX_IRQ 0x01 1004 #define DAC960_GEM_IRQMASK_MMBOX_IRQ 0x02 1005 1006 /* 1007 * DAC960 GEM Series Error Status Register. 1008 */ 1009 #define DAC960_GEM_ERRSTS_PENDING 0x20 1010 1011 /* 1012 * dma_addr_writeql is provided to write dma_addr_t types 1013 * to a 64-bit pci address space register. The controller 1014 * will accept having the register written as two 32-bit 1015 * values. 1016 * 1017 * In HIGHMEM kernels, dma_addr_t is a 64-bit value. 1018 * without HIGHMEM, dma_addr_t is a 32-bit value. 1019 * 1020 * The compiler should always fix up the assignment 1021 * to u.wq appropriately, depending upon the size of 1022 * dma_addr_t. 1023 */ 1024 static inline 1025 void dma_addr_writeql(dma_addr_t addr, void __iomem *write_address) 1026 { 1027 union { 1028 u64 wq; 1029 uint wl[2]; 1030 } u; 1031 1032 u.wq = addr; 1033 1034 writel(u.wl[0], write_address); 1035 writel(u.wl[1], write_address + 4); 1036 } 1037 1038 /* 1039 * DAC960 BA Series Controller Interface Register Offsets. 1040 */ 1041 1042 #define DAC960_BA_mmio_size 0x80 1043 1044 enum DAC960_BA_reg_offset { 1045 DAC960_BA_IRQSTS_OFFSET = 0x30, 1046 DAC960_BA_IRQMASK_OFFSET = 0x34, 1047 DAC960_BA_CMDMBX_OFFSET = 0x50, 1048 DAC960_BA_CMDSTS_OFFSET = 0x58, 1049 DAC960_BA_IDB_OFFSET = 0x60, 1050 DAC960_BA_ODB_OFFSET = 0x61, 1051 DAC960_BA_ERRSTS_OFFSET = 0x63, 1052 }; 1053 1054 /* 1055 * DAC960 BA Series Inbound Door Bell Register. 1056 */ 1057 #define DAC960_BA_IDB_HWMBOX_NEW_CMD 0x01 1058 #define DAC960_BA_IDB_HWMBOX_ACK_STS 0x02 1059 #define DAC960_BA_IDB_GEN_IRQ 0x04 1060 #define DAC960_BA_IDB_CTRL_RESET 0x08 1061 #define DAC960_BA_IDB_MMBOX_NEW_CMD 0x10 1062 1063 #define DAC960_BA_IDB_HWMBOX_EMPTY 0x01 1064 #define DAC960_BA_IDB_INIT_DONE 0x02 1065 1066 /* 1067 * DAC960 BA Series Outbound Door Bell Register. 1068 */ 1069 #define DAC960_BA_ODB_HWMBOX_ACK_IRQ 0x01 1070 #define DAC960_BA_ODB_MMBOX_ACK_IRQ 0x02 1071 1072 #define DAC960_BA_ODB_HWMBOX_STS_AVAIL 0x01 1073 #define DAC960_BA_ODB_MMBOX_STS_AVAIL 0x02 1074 1075 /* 1076 * DAC960 BA Series Interrupt Mask Register. 1077 */ 1078 #define DAC960_BA_IRQMASK_DISABLE_IRQ 0x04 1079 #define DAC960_BA_IRQMASK_DISABLEW_I2O 0x08 1080 1081 /* 1082 * DAC960 BA Series Error Status Register. 1083 */ 1084 #define DAC960_BA_ERRSTS_PENDING 0x04 1085 1086 /* 1087 * DAC960 LP Series Controller Interface Register Offsets. 1088 */ 1089 1090 #define DAC960_LP_mmio_size 0x80 1091 1092 enum DAC960_LP_reg_offset { 1093 DAC960_LP_CMDMBX_OFFSET = 0x10, 1094 DAC960_LP_CMDSTS_OFFSET = 0x18, 1095 DAC960_LP_IDB_OFFSET = 0x20, 1096 DAC960_LP_ODB_OFFSET = 0x2C, 1097 DAC960_LP_ERRSTS_OFFSET = 0x2E, 1098 DAC960_LP_IRQSTS_OFFSET = 0x30, 1099 DAC960_LP_IRQMASK_OFFSET = 0x34, 1100 }; 1101 1102 /* 1103 * DAC960 LP Series Inbound Door Bell Register. 1104 */ 1105 #define DAC960_LP_IDB_HWMBOX_NEW_CMD 0x01 1106 #define DAC960_LP_IDB_HWMBOX_ACK_STS 0x02 1107 #define DAC960_LP_IDB_GEN_IRQ 0x04 1108 #define DAC960_LP_IDB_CTRL_RESET 0x08 1109 #define DAC960_LP_IDB_MMBOX_NEW_CMD 0x10 1110 1111 #define DAC960_LP_IDB_HWMBOX_FULL 0x01 1112 #define DAC960_LP_IDB_INIT_IN_PROGRESS 0x02 1113 1114 /* 1115 * DAC960 LP Series Outbound Door Bell Register. 1116 */ 1117 #define DAC960_LP_ODB_HWMBOX_ACK_IRQ 0x01 1118 #define DAC960_LP_ODB_MMBOX_ACK_IRQ 0x02 1119 1120 #define DAC960_LP_ODB_HWMBOX_STS_AVAIL 0x01 1121 #define DAC960_LP_ODB_MMBOX_STS_AVAIL 0x02 1122 1123 /* 1124 * DAC960 LP Series Interrupt Mask Register. 1125 */ 1126 #define DAC960_LP_IRQMASK_DISABLE_IRQ 0x04 1127 1128 /* 1129 * DAC960 LP Series Error Status Register. 1130 */ 1131 #define DAC960_LP_ERRSTS_PENDING 0x04 1132 1133 #endif /* _MYRS_H */ 1134