1 /* 2 * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net> 3 * Copyright (C) 2004 - 2005 Leonid Stoljar 4 * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us> 5 * Copyright (C) 2007 - 2010 ID7 Ltd. 6 * 7 * Forward port and refactoring to modern qla2xxx and target/configfs 8 * 9 * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org> 10 * 11 * Additional file for the target driver support. 12 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License 15 * as published by the Free Software Foundation; either version 2 16 * of the License, or (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 */ 23 /* 24 * This is the global def file that is useful for including from the 25 * target portion. 26 */ 27 28 #ifndef __QLA_TARGET_H 29 #define __QLA_TARGET_H 30 31 #include "qla_def.h" 32 33 /* 34 * Must be changed on any change in any initiator visible interfaces or 35 * data in the target add-on 36 */ 37 #define QLA2XXX_TARGET_MAGIC 269 38 39 /* 40 * Must be changed on any change in any target visible interfaces or 41 * data in the initiator 42 */ 43 #define QLA2XXX_INITIATOR_MAGIC 57222 44 45 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive" 46 #define QLA2XXX_INI_MODE_STR_DISABLED "disabled" 47 #define QLA2XXX_INI_MODE_STR_ENABLED "enabled" 48 49 #define QLA2XXX_INI_MODE_EXCLUSIVE 0 50 #define QLA2XXX_INI_MODE_DISABLED 1 51 #define QLA2XXX_INI_MODE_ENABLED 2 52 53 #define QLA2XXX_COMMAND_COUNT_INIT 250 54 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250 55 56 /* 57 * Used to mark which completion handles (for RIO Status's) are for CTIO's 58 * vs. regular (non-target) info. This is checked for in 59 * qla2x00_process_response_queue() to see if a handle coming back in a 60 * multi-complete should come to the tgt driver or be handled there by qla2xxx 61 */ 62 #define CTIO_COMPLETION_HANDLE_MARK BIT_29 63 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS) 64 #error "CTIO_COMPLETION_HANDLE_MARK not larger than " 65 "DEFAULT_OUTSTANDING_COMMANDS" 66 #endif 67 #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK) 68 69 /* Used to mark CTIO as intermediate */ 70 #define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30 71 72 #ifndef OF_SS_MODE_0 73 /* 74 * ISP target entries - Flags bit definitions. 75 */ 76 #define OF_SS_MODE_0 0 77 #define OF_SS_MODE_1 1 78 #define OF_SS_MODE_2 2 79 #define OF_SS_MODE_3 3 80 81 #define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */ 82 #define OF_DATA_IN BIT_6 /* Data in to initiator */ 83 /* (data from target to initiator) */ 84 #define OF_DATA_OUT BIT_7 /* Data out from initiator */ 85 /* (data from initiator to target) */ 86 #define OF_NO_DATA (BIT_7 | BIT_6) 87 #define OF_INC_RC BIT_8 /* Increment command resource count */ 88 #define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */ 89 #define OF_CONF_REQ BIT_13 /* Confirmation Requested */ 90 #define OF_TERM_EXCH BIT_14 /* Terminate exchange */ 91 #define OF_SSTS BIT_15 /* Send SCSI status */ 92 #endif 93 94 #ifndef QLA_TGT_DATASEGS_PER_CMD32 95 #define QLA_TGT_DATASEGS_PER_CMD32 3 96 #define QLA_TGT_DATASEGS_PER_CONT32 7 97 #define QLA_TGT_MAX_SG32(ql) \ 98 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \ 99 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0) 100 101 #define QLA_TGT_DATASEGS_PER_CMD64 2 102 #define QLA_TGT_DATASEGS_PER_CONT64 5 103 #define QLA_TGT_MAX_SG64(ql) \ 104 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \ 105 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0) 106 #endif 107 108 #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX 109 #define QLA_TGT_DATASEGS_PER_CMD_24XX 1 110 #define QLA_TGT_DATASEGS_PER_CONT_24XX 5 111 #define QLA_TGT_MAX_SG_24XX(ql) \ 112 (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \ 113 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0)) 114 #endif 115 #endif 116 117 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \ 118 ? le16_to_cpu((iocb)->u.isp2x.target.extended) \ 119 : (uint16_t)(iocb)->u.isp2x.target.id.standard) 120 121 #ifndef IMMED_NOTIFY_TYPE 122 #define IMMED_NOTIFY_TYPE 0x0D /* Immediate notify entry. */ 123 /* 124 * ISP queue - immediate notify entry structure definition. 125 * This is sent by the ISP to the Target driver. 126 * This IOCB would have report of events sent by the 127 * initiator, that needs to be handled by the target 128 * driver immediately. 129 */ 130 struct imm_ntfy_from_isp { 131 uint8_t entry_type; /* Entry type. */ 132 uint8_t entry_count; /* Entry count. */ 133 uint8_t sys_define; /* System defined. */ 134 uint8_t entry_status; /* Entry Status. */ 135 union { 136 struct { 137 uint32_t sys_define_2; /* System defined. */ 138 target_id_t target; 139 uint16_t lun; 140 uint8_t target_id; 141 uint8_t reserved_1; 142 uint16_t status_modifier; 143 uint16_t status; 144 uint16_t task_flags; 145 uint16_t seq_id; 146 uint16_t srr_rx_id; 147 uint32_t srr_rel_offs; 148 uint16_t srr_ui; 149 #define SRR_IU_DATA_IN 0x1 150 #define SRR_IU_DATA_OUT 0x5 151 #define SRR_IU_STATUS 0x7 152 uint16_t srr_ox_id; 153 uint8_t reserved_2[28]; 154 } isp2x; 155 struct { 156 uint32_t reserved; 157 uint16_t nport_handle; 158 uint16_t reserved_2; 159 uint16_t flags; 160 #define NOTIFY24XX_FLAGS_GLOBAL_TPRLO BIT_1 161 #define NOTIFY24XX_FLAGS_PUREX_IOCB BIT_0 162 uint16_t srr_rx_id; 163 uint16_t status; 164 uint8_t status_subcode; 165 uint8_t fw_handle; 166 uint32_t exchange_address; 167 uint32_t srr_rel_offs; 168 uint16_t srr_ui; 169 uint16_t srr_ox_id; 170 union { 171 struct { 172 uint8_t node_name[8]; 173 } plogi; /* PLOGI/ADISC/PDISC */ 174 struct { 175 /* PRLI word 3 bit 0-15 */ 176 uint16_t wd3_lo; 177 uint8_t resv0[6]; 178 } prli; 179 struct { 180 uint8_t port_id[3]; 181 uint8_t resv1; 182 uint16_t nport_handle; 183 uint16_t resv2; 184 } req_els; 185 } u; 186 uint8_t port_name[8]; 187 uint8_t resv3[3]; 188 uint8_t vp_index; 189 uint32_t reserved_5; 190 uint8_t port_id[3]; 191 uint8_t reserved_6; 192 } isp24; 193 } u; 194 uint16_t reserved_7; 195 uint16_t ox_id; 196 } __packed; 197 #endif 198 199 #ifndef NOTIFY_ACK_TYPE 200 #define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */ 201 /* 202 * ISP queue - notify acknowledge entry structure definition. 203 * This is sent to the ISP from the target driver. 204 */ 205 struct nack_to_isp { 206 uint8_t entry_type; /* Entry type. */ 207 uint8_t entry_count; /* Entry count. */ 208 uint8_t sys_define; /* System defined. */ 209 uint8_t entry_status; /* Entry Status. */ 210 union { 211 struct { 212 uint32_t sys_define_2; /* System defined. */ 213 target_id_t target; 214 uint8_t target_id; 215 uint8_t reserved_1; 216 uint16_t flags; 217 uint16_t resp_code; 218 uint16_t status; 219 uint16_t task_flags; 220 uint16_t seq_id; 221 uint16_t srr_rx_id; 222 uint32_t srr_rel_offs; 223 uint16_t srr_ui; 224 uint16_t srr_flags; 225 uint16_t srr_reject_code; 226 uint8_t srr_reject_vendor_uniq; 227 uint8_t srr_reject_code_expl; 228 uint8_t reserved_2[24]; 229 } isp2x; 230 struct { 231 uint32_t handle; 232 uint16_t nport_handle; 233 uint16_t reserved_1; 234 uint16_t flags; 235 uint16_t srr_rx_id; 236 uint16_t status; 237 uint8_t status_subcode; 238 uint8_t fw_handle; 239 uint32_t exchange_address; 240 uint32_t srr_rel_offs; 241 uint16_t srr_ui; 242 uint16_t srr_flags; 243 uint8_t reserved_4[19]; 244 uint8_t vp_index; 245 uint8_t srr_reject_vendor_uniq; 246 uint8_t srr_reject_code_expl; 247 uint8_t srr_reject_code; 248 uint8_t reserved_5[5]; 249 } isp24; 250 } u; 251 uint8_t reserved[2]; 252 uint16_t ox_id; 253 } __packed; 254 #define NOTIFY_ACK_FLAGS_TERMINATE BIT_3 255 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 256 #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 257 258 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9 259 260 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0 261 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a 262 263 #define NOTIFY_ACK_SUCCESS 0x01 264 #endif 265 266 #ifndef ACCEPT_TGT_IO_TYPE 267 #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */ 268 #endif 269 270 #ifndef CONTINUE_TGT_IO_TYPE 271 #define CONTINUE_TGT_IO_TYPE 0x17 272 /* 273 * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure. 274 * This structure is sent to the ISP 2xxx from target driver. 275 */ 276 struct ctio_to_2xxx { 277 uint8_t entry_type; /* Entry type. */ 278 uint8_t entry_count; /* Entry count. */ 279 uint8_t sys_define; /* System defined. */ 280 uint8_t entry_status; /* Entry Status. */ 281 uint32_t handle; /* System defined handle */ 282 target_id_t target; 283 uint16_t rx_id; 284 uint16_t flags; 285 uint16_t status; 286 uint16_t timeout; /* 0 = 30 seconds, 0xFFFF = disable */ 287 uint16_t dseg_count; /* Data segment count. */ 288 uint32_t relative_offset; 289 uint32_t residual; 290 uint16_t reserved_1[3]; 291 uint16_t scsi_status; 292 uint32_t transfer_length; 293 uint32_t dseg_0_address; /* Data segment 0 address. */ 294 uint32_t dseg_0_length; /* Data segment 0 length. */ 295 uint32_t dseg_1_address; /* Data segment 1 address. */ 296 uint32_t dseg_1_length; /* Data segment 1 length. */ 297 uint32_t dseg_2_address; /* Data segment 2 address. */ 298 uint32_t dseg_2_length; /* Data segment 2 length. */ 299 } __packed; 300 #define ATIO_PATH_INVALID 0x07 301 #define ATIO_CANT_PROV_CAP 0x16 302 #define ATIO_CDB_VALID 0x3D 303 304 #define ATIO_EXEC_READ BIT_1 305 #define ATIO_EXEC_WRITE BIT_0 306 #endif 307 308 #ifndef CTIO_A64_TYPE 309 #define CTIO_A64_TYPE 0x1F 310 #define CTIO_SUCCESS 0x01 311 #define CTIO_ABORTED 0x02 312 #define CTIO_INVALID_RX_ID 0x08 313 #define CTIO_TIMEOUT 0x0B 314 #define CTIO_DIF_ERROR 0x0C /* DIF error detected */ 315 #define CTIO_LIP_RESET 0x0E 316 #define CTIO_TARGET_RESET 0x17 317 #define CTIO_PORT_UNAVAILABLE 0x28 318 #define CTIO_PORT_LOGGED_OUT 0x29 319 #define CTIO_PORT_CONF_CHANGED 0x2A 320 #define CTIO_SRR_RECEIVED 0x45 321 #endif 322 323 #ifndef CTIO_RET_TYPE 324 #define CTIO_RET_TYPE 0x17 /* CTIO return entry */ 325 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ 326 327 struct fcp_hdr { 328 uint8_t r_ctl; 329 uint8_t d_id[3]; 330 uint8_t cs_ctl; 331 uint8_t s_id[3]; 332 uint8_t type; 333 uint8_t f_ctl[3]; 334 uint8_t seq_id; 335 uint8_t df_ctl; 336 uint16_t seq_cnt; 337 __be16 ox_id; 338 uint16_t rx_id; 339 uint32_t parameter; 340 } __packed; 341 342 struct fcp_hdr_le { 343 uint8_t d_id[3]; 344 uint8_t r_ctl; 345 uint8_t s_id[3]; 346 uint8_t cs_ctl; 347 uint8_t f_ctl[3]; 348 uint8_t type; 349 uint16_t seq_cnt; 350 uint8_t df_ctl; 351 uint8_t seq_id; 352 uint16_t rx_id; 353 uint16_t ox_id; 354 uint32_t parameter; 355 } __packed; 356 357 #define F_CTL_EXCH_CONTEXT_RESP BIT_23 358 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22 359 #define F_CTL_LAST_SEQ BIT_20 360 #define F_CTL_END_SEQ BIT_19 361 #define F_CTL_SEQ_INITIATIVE BIT_16 362 363 #define R_CTL_BASIC_LINK_SERV 0x80 364 #define R_CTL_B_ACC 0x4 365 #define R_CTL_B_RJT 0x5 366 367 struct atio7_fcp_cmnd { 368 uint64_t lun; 369 uint8_t cmnd_ref; 370 uint8_t task_attr:3; 371 uint8_t reserved:5; 372 uint8_t task_mgmt_flags; 373 #define FCP_CMND_TASK_MGMT_CLEAR_ACA 6 374 #define FCP_CMND_TASK_MGMT_TARGET_RESET 5 375 #define FCP_CMND_TASK_MGMT_LU_RESET 4 376 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2 377 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1 378 uint8_t wrdata:1; 379 uint8_t rddata:1; 380 uint8_t add_cdb_len:6; 381 uint8_t cdb[16]; 382 /* 383 * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4 384 * only to make sizeof(struct atio7_fcp_cmnd) be as expected by 385 * BUILD_BUG_ON in qlt_init(). 386 */ 387 uint8_t add_cdb[4]; 388 /* uint32_t data_length; */ 389 } __packed; 390 391 /* 392 * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure. 393 * This is sent from the ISP to the target driver. 394 */ 395 struct atio_from_isp { 396 union { 397 struct { 398 uint16_t entry_hdr; 399 uint8_t sys_define; /* System defined. */ 400 uint8_t entry_status; /* Entry Status. */ 401 uint32_t sys_define_2; /* System defined. */ 402 target_id_t target; 403 uint16_t rx_id; 404 uint16_t flags; 405 uint16_t status; 406 uint8_t command_ref; 407 uint8_t task_codes; 408 uint8_t task_flags; 409 uint8_t execution_codes; 410 uint8_t cdb[MAX_CMDSZ]; 411 uint32_t data_length; 412 uint16_t lun; 413 uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */ 414 uint16_t reserved_32[6]; 415 uint16_t ox_id; 416 } isp2x; 417 struct { 418 uint16_t entry_hdr; 419 uint8_t fcp_cmnd_len_low; 420 uint8_t fcp_cmnd_len_high:4; 421 uint8_t attr:4; 422 uint32_t exchange_addr; 423 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF 424 struct fcp_hdr fcp_hdr; 425 struct atio7_fcp_cmnd fcp_cmnd; 426 } isp24; 427 struct { 428 uint8_t entry_type; /* Entry type. */ 429 uint8_t entry_count; /* Entry count. */ 430 __le16 attr_n_length; 431 #define FCP_CMD_LENGTH_MASK 0x0fff 432 #define FCP_CMD_LENGTH_MIN 0x38 433 uint8_t data[56]; 434 uint32_t signature; 435 #define ATIO_PROCESSED 0xDEADDEAD /* Signature */ 436 } raw; 437 } u; 438 } __packed; 439 440 static inline int fcpcmd_is_corrupted(struct atio *atio) 441 { 442 if (atio->entry_type == ATIO_TYPE7 && 443 (le16_to_cpu(atio->attr_n_length & FCP_CMD_LENGTH_MASK) < 444 FCP_CMD_LENGTH_MIN)) 445 return 1; 446 else 447 return 0; 448 } 449 450 /* adjust corrupted atio so we won't trip over the same entry again. */ 451 static inline void adjust_corrupted_atio(struct atio_from_isp *atio) 452 { 453 atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN); 454 atio->u.isp24.fcp_cmnd.add_cdb_len = 0; 455 } 456 457 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ 458 459 /* 460 * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. 461 * This structure is sent to the ISP 24xx from the target driver. 462 */ 463 464 struct ctio7_to_24xx { 465 uint8_t entry_type; /* Entry type. */ 466 uint8_t entry_count; /* Entry count. */ 467 uint8_t sys_define; /* System defined. */ 468 uint8_t entry_status; /* Entry Status. */ 469 uint32_t handle; /* System defined handle */ 470 uint16_t nport_handle; 471 #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF 472 uint16_t timeout; 473 uint16_t dseg_count; /* Data segment count. */ 474 uint8_t vp_index; 475 uint8_t add_flags; 476 uint8_t initiator_id[3]; 477 uint8_t reserved; 478 uint32_t exchange_addr; 479 union { 480 struct { 481 uint16_t reserved1; 482 __le16 flags; 483 uint32_t residual; 484 __le16 ox_id; 485 uint16_t scsi_status; 486 uint32_t relative_offset; 487 uint32_t reserved2; 488 uint32_t transfer_length; 489 uint32_t reserved3; 490 /* Data segment 0 address. */ 491 uint32_t dseg_0_address[2]; 492 /* Data segment 0 length. */ 493 uint32_t dseg_0_length; 494 } status0; 495 struct { 496 uint16_t sense_length; 497 uint16_t flags; 498 uint32_t residual; 499 __le16 ox_id; 500 uint16_t scsi_status; 501 uint16_t response_len; 502 uint16_t reserved; 503 uint8_t sense_data[24]; 504 } status1; 505 } u; 506 } __packed; 507 508 /* 509 * ISP queue - CTIO type 7 from ISP 24xx to target driver 510 * returned entry structure. 511 */ 512 struct ctio7_from_24xx { 513 uint8_t entry_type; /* Entry type. */ 514 uint8_t entry_count; /* Entry count. */ 515 uint8_t sys_define; /* System defined. */ 516 uint8_t entry_status; /* Entry Status. */ 517 uint32_t handle; /* System defined handle */ 518 uint16_t status; 519 uint16_t timeout; 520 uint16_t dseg_count; /* Data segment count. */ 521 uint8_t vp_index; 522 uint8_t reserved1[5]; 523 uint32_t exchange_address; 524 uint16_t reserved2; 525 uint16_t flags; 526 uint32_t residual; 527 uint16_t ox_id; 528 uint16_t reserved3; 529 uint32_t relative_offset; 530 uint8_t reserved4[24]; 531 } __packed; 532 533 /* CTIO7 flags values */ 534 #define CTIO7_FLAGS_SEND_STATUS BIT_15 535 #define CTIO7_FLAGS_TERMINATE BIT_14 536 #define CTIO7_FLAGS_CONFORM_REQ BIT_13 537 #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8 538 #define CTIO7_FLAGS_STATUS_MODE_0 0 539 #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6 540 #define CTIO7_FLAGS_STATUS_MODE_2 BIT_7 541 #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5 542 #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4 543 #define CTIO7_FLAGS_DSD_PTR BIT_2 544 #define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */ 545 #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */ 546 547 #define ELS_PLOGI 0x3 548 #define ELS_FLOGI 0x4 549 #define ELS_LOGO 0x5 550 #define ELS_PRLI 0x20 551 #define ELS_PRLO 0x21 552 #define ELS_TPRLO 0x24 553 #define ELS_PDISC 0x50 554 #define ELS_ADISC 0x52 555 556 /* 557 *CTIO Type CRC_2 IOCB 558 */ 559 struct ctio_crc2_to_fw { 560 uint8_t entry_type; /* Entry type. */ 561 #define CTIO_CRC2 0x7A 562 uint8_t entry_count; /* Entry count. */ 563 uint8_t sys_define; /* System defined. */ 564 uint8_t entry_status; /* Entry Status. */ 565 566 uint32_t handle; /* System handle. */ 567 uint16_t nport_handle; /* N_PORT handle. */ 568 __le16 timeout; /* Command timeout. */ 569 570 uint16_t dseg_count; /* Data segment count. */ 571 uint8_t vp_index; 572 uint8_t add_flags; /* additional flags */ 573 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3 574 575 uint8_t initiator_id[3]; /* initiator ID */ 576 uint8_t reserved1; 577 uint32_t exchange_addr; /* rcv exchange address */ 578 uint16_t reserved2; 579 __le16 flags; /* refer to CTIO7 flags values */ 580 uint32_t residual; 581 __le16 ox_id; 582 uint16_t scsi_status; 583 __le32 relative_offset; 584 uint32_t reserved5; 585 __le32 transfer_length; /* total fc transfer length */ 586 uint32_t reserved6; 587 __le32 crc_context_address[2];/* Data segment address. */ 588 uint16_t crc_context_len; /* Data segment length. */ 589 uint16_t reserved_1; /* MUST be set to 0. */ 590 } __packed; 591 592 /* CTIO Type CRC_x Status IOCB */ 593 struct ctio_crc_from_fw { 594 uint8_t entry_type; /* Entry type. */ 595 uint8_t entry_count; /* Entry count. */ 596 uint8_t sys_define; /* System defined. */ 597 uint8_t entry_status; /* Entry Status. */ 598 599 uint32_t handle; /* System handle. */ 600 uint16_t status; 601 uint16_t timeout; /* Command timeout. */ 602 uint16_t dseg_count; /* Data segment count. */ 603 uint32_t reserved1; 604 uint16_t state_flags; 605 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4 606 607 uint32_t exchange_address; /* rcv exchange address */ 608 uint16_t reserved2; 609 uint16_t flags; 610 uint32_t resid_xfer_length; 611 uint16_t ox_id; 612 uint8_t reserved3[12]; 613 uint16_t runt_guard; /* reported runt blk guard */ 614 uint8_t actual_dif[8]; 615 uint8_t expected_dif[8]; 616 } __packed; 617 618 /* 619 * ISP queue - ABTS received/response entries structure definition for 24xx. 620 */ 621 #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ 622 #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ 623 624 /* 625 * ISP queue - ABTS received IOCB entry structure definition for 24xx. 626 * The ABTS BLS received from the wire is sent to the 627 * target driver by the ISP 24xx. 628 * The IOCB is placed on the response queue. 629 */ 630 struct abts_recv_from_24xx { 631 uint8_t entry_type; /* Entry type. */ 632 uint8_t entry_count; /* Entry count. */ 633 uint8_t sys_define; /* System defined. */ 634 uint8_t entry_status; /* Entry Status. */ 635 uint8_t reserved_1[6]; 636 uint16_t nport_handle; 637 uint8_t reserved_2[2]; 638 uint8_t vp_index; 639 uint8_t reserved_3:4; 640 uint8_t sof_type:4; 641 uint32_t exchange_address; 642 struct fcp_hdr_le fcp_hdr_le; 643 uint8_t reserved_4[16]; 644 uint32_t exchange_addr_to_abort; 645 } __packed; 646 647 #define ABTS_PARAM_ABORT_SEQ BIT_0 648 649 struct ba_acc_le { 650 uint16_t reserved; 651 uint8_t seq_id_last; 652 uint8_t seq_id_valid; 653 #define SEQ_ID_VALID 0x80 654 #define SEQ_ID_INVALID 0x00 655 uint16_t rx_id; 656 uint16_t ox_id; 657 uint16_t high_seq_cnt; 658 uint16_t low_seq_cnt; 659 } __packed; 660 661 struct ba_rjt_le { 662 uint8_t vendor_uniq; 663 uint8_t reason_expl; 664 uint8_t reason_code; 665 #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1 666 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9 667 uint8_t reserved; 668 } __packed; 669 670 /* 671 * ISP queue - ABTS Response IOCB entry structure definition for 24xx. 672 * The ABTS response to the ABTS received is sent by the 673 * target driver to the ISP 24xx. 674 * The IOCB is placed on the request queue. 675 */ 676 struct abts_resp_to_24xx { 677 uint8_t entry_type; /* Entry type. */ 678 uint8_t entry_count; /* Entry count. */ 679 uint8_t sys_define; /* System defined. */ 680 uint8_t entry_status; /* Entry Status. */ 681 uint32_t handle; 682 uint16_t reserved_1; 683 uint16_t nport_handle; 684 uint16_t control_flags; 685 #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0 686 uint8_t vp_index; 687 uint8_t reserved_3:4; 688 uint8_t sof_type:4; 689 uint32_t exchange_address; 690 struct fcp_hdr_le fcp_hdr_le; 691 union { 692 struct ba_acc_le ba_acct; 693 struct ba_rjt_le ba_rjt; 694 } __packed payload; 695 uint32_t reserved_4; 696 uint32_t exchange_addr_to_abort; 697 } __packed; 698 699 /* 700 * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. 701 * The ABTS response with completion status to the ABTS response 702 * (sent by the target driver to the ISP 24xx) is sent by the 703 * ISP24xx firmware to the target driver. 704 * The IOCB is placed on the response queue. 705 */ 706 struct abts_resp_from_24xx_fw { 707 uint8_t entry_type; /* Entry type. */ 708 uint8_t entry_count; /* Entry count. */ 709 uint8_t sys_define; /* System defined. */ 710 uint8_t entry_status; /* Entry Status. */ 711 uint32_t handle; 712 uint16_t compl_status; 713 #define ABTS_RESP_COMPL_SUCCESS 0 714 #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31 715 uint16_t nport_handle; 716 uint16_t reserved_1; 717 uint8_t reserved_2; 718 uint8_t reserved_3:4; 719 uint8_t sof_type:4; 720 uint32_t exchange_address; 721 struct fcp_hdr_le fcp_hdr_le; 722 uint8_t reserved_4[8]; 723 uint32_t error_subcode1; 724 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E 725 uint32_t error_subcode2; 726 uint32_t exchange_addr_to_abort; 727 } __packed; 728 729 /********************************************************************\ 730 * Type Definitions used by initiator & target halves 731 \********************************************************************/ 732 733 struct qla_tgt_mgmt_cmd; 734 struct qla_tgt_sess; 735 736 /* 737 * This structure provides a template of function calls that the 738 * target driver (from within qla_target.c) can issue to the 739 * target module (tcm_qla2xxx). 740 */ 741 struct qla_tgt_func_tmpl { 742 743 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, 744 unsigned char *, uint32_t, int, int, int); 745 void (*handle_data)(struct qla_tgt_cmd *); 746 void (*handle_dif_err)(struct qla_tgt_cmd *); 747 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t, 748 uint32_t); 749 void (*free_cmd)(struct qla_tgt_cmd *); 750 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *); 751 void (*free_session)(struct qla_tgt_sess *); 752 753 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, 754 struct qla_tgt_sess *); 755 void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool); 756 struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *, 757 const uint16_t); 758 struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *, 759 const uint8_t *); 760 void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *); 761 void (*shutdown_sess)(struct qla_tgt_sess *); 762 }; 763 764 int qla2x00_wait_for_hba_online(struct scsi_qla_host *); 765 766 #include <target/target_core_base.h> 767 768 #define QLA_TGT_TIMEOUT 10 /* in seconds */ 769 770 #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ 771 772 /* Immediate notify status constants */ 773 #define IMM_NTFY_LIP_RESET 0x000E 774 #define IMM_NTFY_LIP_LINK_REINIT 0x000F 775 #define IMM_NTFY_IOCB_OVERFLOW 0x0016 776 #define IMM_NTFY_ABORT_TASK 0x0020 777 #define IMM_NTFY_PORT_LOGOUT 0x0029 778 #define IMM_NTFY_PORT_CONFIG 0x002A 779 #define IMM_NTFY_GLBL_TPRLO 0x002D 780 #define IMM_NTFY_GLBL_LOGO 0x002E 781 #define IMM_NTFY_RESOURCE 0x0034 782 #define IMM_NTFY_MSG_RX 0x0036 783 #define IMM_NTFY_SRR 0x0045 784 #define IMM_NTFY_ELS 0x0046 785 786 /* Immediate notify task flags */ 787 #define IMM_NTFY_TASK_MGMT_SHIFT 8 788 789 #define QLA_TGT_CLEAR_ACA 0x40 790 #define QLA_TGT_TARGET_RESET 0x20 791 #define QLA_TGT_LUN_RESET 0x10 792 #define QLA_TGT_CLEAR_TS 0x04 793 #define QLA_TGT_ABORT_TS 0x02 794 #define QLA_TGT_ABORT_ALL_SESS 0xFFFF 795 #define QLA_TGT_ABORT_ALL 0xFFFE 796 #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD 797 #define QLA_TGT_NEXUS_LOSS 0xFFFC 798 799 /* Notify Acknowledge flags */ 800 #define NOTIFY_ACK_RES_COUNT BIT_8 801 #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5 802 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4 803 804 /* Command's states */ 805 #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ 806 #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ 807 #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ 808 #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ 809 810 811 /* Special handles */ 812 #define QLA_TGT_NULL_HANDLE 0 813 #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~CTIO_COMPLETION_HANDLE_MARK) 814 815 /* ATIO task_codes field */ 816 #define ATIO_SIMPLE_QUEUE 0 817 #define ATIO_HEAD_OF_QUEUE 1 818 #define ATIO_ORDERED_QUEUE 2 819 #define ATIO_ACA_QUEUE 4 820 #define ATIO_UNTAGGED 5 821 822 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ 823 #define FC_TM_SUCCESS 0 824 #define FC_TM_BAD_FCP_DATA 1 825 #define FC_TM_BAD_CMD 2 826 #define FC_TM_FCP_DATA_MISMATCH 3 827 #define FC_TM_REJECT 4 828 #define FC_TM_FAILED 5 829 830 #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G) 831 #define pci_dma_lo32(a) (a & 0xffffffff) 832 #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff) 833 #else 834 #define pci_dma_lo32(a) (a & 0xffffffff) 835 #define pci_dma_hi32(a) 0 836 #endif 837 838 #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \ 839 (((const uint8_t *)(sense))[0] & 0x70) == 0x70) 840 841 struct qla_port_24xx_data { 842 uint8_t port_name[WWN_SIZE]; 843 uint16_t loop_id; 844 uint16_t reserved; 845 }; 846 847 struct qla_tgt { 848 struct scsi_qla_host *vha; 849 struct qla_hw_data *ha; 850 851 /* 852 * To sync between IRQ handlers and qlt_target_release(). Needed, 853 * because req_pkt() can drop/reaquire HW lock inside. Protected by 854 * HW lock. 855 */ 856 int irq_cmd_count; 857 int atio_irq_cmd_count; 858 859 int datasegs_per_cmd, datasegs_per_cont, sg_tablesize; 860 861 /* Target's flags, serialized by pha->hardware_lock */ 862 unsigned int tgt_enable_64bit_addr:1; /* 64-bits PCI addr enabled */ 863 unsigned int link_reinit_iocb_pending:1; 864 865 /* 866 * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex 867 * OR hardware_lock for reading. 868 */ 869 int tgt_stop; /* the target mode driver is being stopped */ 870 int tgt_stopped; /* the target mode driver has been stopped */ 871 872 /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ 873 int sess_count; 874 875 /* Protected by hardware_lock. Addition also protected by tgt_mutex. */ 876 struct list_head sess_list; 877 878 /* Protected by hardware_lock */ 879 struct list_head del_sess_list; 880 struct delayed_work sess_del_work; 881 882 spinlock_t sess_work_lock; 883 struct list_head sess_works_list; 884 struct work_struct sess_work; 885 886 struct imm_ntfy_from_isp link_reinit_iocb; 887 wait_queue_head_t waitQ; 888 int notify_ack_expected; 889 int abts_resp_expected; 890 int modify_lun_expected; 891 892 int ctio_srr_id; 893 int imm_srr_id; 894 spinlock_t srr_lock; 895 struct list_head srr_ctio_list; 896 struct list_head srr_imm_list; 897 struct work_struct srr_work; 898 899 atomic_t tgt_global_resets_count; 900 901 struct list_head tgt_list_entry; 902 }; 903 904 struct qla_tgt_sess_op { 905 struct scsi_qla_host *vha; 906 uint32_t chip_reset; 907 struct atio_from_isp atio; 908 struct work_struct work; 909 struct list_head cmd_list; 910 bool aborted; 911 }; 912 913 enum qla_sess_deletion { 914 QLA_SESS_DELETION_NONE = 0, 915 QLA_SESS_DELETION_PENDING = 1, /* hopefully we can get rid of 916 * this one */ 917 QLA_SESS_DELETION_IN_PROGRESS = 2, 918 }; 919 920 typedef enum { 921 QLT_PLOGI_LINK_SAME_WWN, 922 QLT_PLOGI_LINK_CONFLICT, 923 QLT_PLOGI_LINK_MAX 924 } qlt_plogi_link_t; 925 926 typedef struct { 927 struct list_head list; 928 struct imm_ntfy_from_isp iocb; 929 port_id_t id; 930 int ref_count; 931 } qlt_plogi_ack_t; 932 933 /* 934 * Equivilant to IT Nexus (Initiator-Target) 935 */ 936 struct qla_tgt_sess { 937 uint16_t loop_id; 938 port_id_t s_id; 939 940 unsigned int conf_compl_supported:1; 941 unsigned int deleted:2; 942 unsigned int local:1; 943 unsigned int logout_on_delete:1; 944 unsigned int keep_nport_handle:1; 945 unsigned int send_els_logo:1; 946 947 unsigned char logout_completed; 948 949 int generation; 950 951 struct se_session *se_sess; 952 struct kref sess_kref; 953 struct scsi_qla_host *vha; 954 struct qla_tgt *tgt; 955 956 struct list_head sess_list_entry; 957 unsigned long expires; 958 struct list_head del_list_entry; 959 960 uint8_t port_name[WWN_SIZE]; 961 struct work_struct free_work; 962 963 qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX]; 964 }; 965 966 typedef enum { 967 /* 968 * BIT_0 - Atio Arrival / schedule to work 969 * BIT_1 - qlt_do_work 970 * BIT_2 - qlt_do work failed 971 * BIT_3 - xfer rdy/tcm_qla2xxx_write_pending 972 * BIT_4 - read respond/tcm_qla2xx_queue_data_in 973 * BIT_5 - status respond / tcm_qla2xx_queue_status 974 * BIT_6 - tcm request to abort/Term exchange. 975 * pre_xmit_response->qlt_send_term_exchange 976 * BIT_7 - SRR received (qlt_handle_srr->qlt_xmit_response) 977 * BIT_8 - SRR received (qlt_handle_srr->qlt_rdy_to_xfer) 978 * BIT_9 - SRR received (qla_handle_srr->qlt_send_term_exchange) 979 * BIT_10 - Data in - hanlde_data->tcm_qla2xxx_handle_data 980 981 * BIT_12 - good completion - qlt_ctio_do_completion -->free_cmd 982 * BIT_13 - Bad completion - 983 * qlt_ctio_do_completion --> qlt_term_ctio_exchange 984 * BIT_14 - Back end data received/sent. 985 * BIT_15 - SRR prepare ctio 986 * BIT_16 - complete free 987 * BIT_17 - flush - qlt_abort_cmd_on_host_reset 988 * BIT_18 - completion w/abort status 989 * BIT_19 - completion w/unknown status 990 * BIT_20 - tcm_qla2xxx_free_cmd 991 */ 992 CMD_FLAG_DATA_WORK = BIT_11, 993 CMD_FLAG_DATA_WORK_FREE = BIT_21, 994 } cmd_flags_t; 995 996 struct qla_tgt_cmd { 997 struct se_cmd se_cmd; 998 struct qla_tgt_sess *sess; 999 int state; 1000 struct work_struct free_work; 1001 struct work_struct work; 1002 /* Sense buffer that will be mapped into outgoing status */ 1003 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; 1004 1005 spinlock_t cmd_lock; 1006 /* to save extra sess dereferences */ 1007 unsigned int conf_compl_supported:1; 1008 unsigned int sg_mapped:1; 1009 unsigned int free_sg:1; 1010 unsigned int write_data_transferred:1; 1011 unsigned int ctx_dsd_alloced:1; 1012 unsigned int q_full:1; 1013 unsigned int term_exchg:1; 1014 unsigned int cmd_sent_to_fw:1; 1015 unsigned int cmd_in_wq:1; 1016 unsigned int aborted:1; 1017 1018 struct scatterlist *sg; /* cmd data buffer SG vector */ 1019 int sg_cnt; /* SG segments count */ 1020 int bufflen; /* cmd buffer length */ 1021 int offset; 1022 uint32_t unpacked_lun; 1023 enum dma_data_direction dma_data_direction; 1024 uint32_t reset_count; 1025 1026 uint16_t loop_id; /* to save extra sess dereferences */ 1027 struct qla_tgt *tgt; /* to save extra sess dereferences */ 1028 struct scsi_qla_host *vha; 1029 struct list_head cmd_list; 1030 1031 struct atio_from_isp atio; 1032 /* t10dif */ 1033 struct scatterlist *prot_sg; 1034 uint32_t prot_sg_cnt; 1035 uint32_t blk_sz; 1036 struct crc_context *ctx; 1037 1038 uint64_t jiffies_at_alloc; 1039 uint64_t jiffies_at_free; 1040 1041 cmd_flags_t cmd_flags; 1042 }; 1043 1044 struct qla_tgt_sess_work_param { 1045 struct list_head sess_works_list_entry; 1046 1047 #define QLA_TGT_SESS_WORK_ABORT 1 1048 #define QLA_TGT_SESS_WORK_TM 2 1049 int type; 1050 1051 union { 1052 struct abts_recv_from_24xx abts; 1053 struct imm_ntfy_from_isp tm_iocb; 1054 struct atio_from_isp tm_iocb2; 1055 }; 1056 }; 1057 1058 struct qla_tgt_mgmt_cmd { 1059 uint8_t tmr_func; 1060 uint8_t fc_tm_rsp; 1061 struct qla_tgt_sess *sess; 1062 struct se_cmd se_cmd; 1063 struct work_struct free_work; 1064 unsigned int flags; 1065 uint32_t reset_count; 1066 #define QLA24XX_MGMT_SEND_NACK 1 1067 union { 1068 struct atio_from_isp atio; 1069 struct imm_ntfy_from_isp imm_ntfy; 1070 struct abts_recv_from_24xx abts; 1071 } __packed orig_iocb; 1072 }; 1073 1074 struct qla_tgt_prm { 1075 struct qla_tgt_cmd *cmd; 1076 struct qla_tgt *tgt; 1077 void *pkt; 1078 struct scatterlist *sg; /* cmd data buffer SG vector */ 1079 unsigned char *sense_buffer; 1080 int seg_cnt; 1081 int req_cnt; 1082 uint16_t rq_result; 1083 uint16_t scsi_status; 1084 int sense_buffer_len; 1085 int residual; 1086 int add_status_pkt; 1087 /* dif */ 1088 struct scatterlist *prot_sg; 1089 uint16_t prot_seg_cnt; 1090 uint16_t tot_dsds; 1091 }; 1092 1093 struct qla_tgt_srr_imm { 1094 struct list_head srr_list_entry; 1095 int srr_id; 1096 struct imm_ntfy_from_isp imm_ntfy; 1097 }; 1098 1099 struct qla_tgt_srr_ctio { 1100 struct list_head srr_list_entry; 1101 int srr_id; 1102 struct qla_tgt_cmd *cmd; 1103 }; 1104 1105 /* Check for Switch reserved address */ 1106 #define IS_SW_RESV_ADDR(_s_id) \ 1107 ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc)) 1108 1109 #define QLA_TGT_XMIT_DATA 1 1110 #define QLA_TGT_XMIT_STATUS 2 1111 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) 1112 1113 1114 extern struct qla_tgt_data qla_target; 1115 1116 /* 1117 * Function prototypes for qla_target.c logic used by qla2xxx LLD code. 1118 */ 1119 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); 1120 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); 1121 extern int qlt_lport_register(void *, u64, u64, u64, 1122 int (*callback)(struct scsi_qla_host *, void *, u64, u64)); 1123 extern void qlt_lport_deregister(struct scsi_qla_host *); 1124 void qlt_put_sess(struct qla_tgt_sess *sess); 1125 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); 1126 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); 1127 extern int __init qlt_init(void); 1128 extern void qlt_exit(void); 1129 extern void qlt_update_vp_map(struct scsi_qla_host *, int); 1130 1131 /* 1132 * This macro is used during early initializations when host->active_mode 1133 * is not set. Right now, ha value is ignored. 1134 */ 1135 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) 1136 extern int ql2x_ini_mode; 1137 1138 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) 1139 { 1140 return ha->host->active_mode & MODE_TARGET; 1141 } 1142 1143 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) 1144 { 1145 return ha->host->active_mode & MODE_INITIATOR; 1146 } 1147 1148 static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) 1149 { 1150 if (ha->host->active_mode & MODE_INITIATOR) 1151 ha->host->active_mode &= ~MODE_INITIATOR; 1152 else 1153 ha->host->active_mode |= MODE_INITIATOR; 1154 } 1155 1156 static inline uint32_t sid_to_key(const uint8_t *s_id) 1157 { 1158 uint32_t key; 1159 1160 key = (((unsigned long)s_id[0] << 16) | 1161 ((unsigned long)s_id[1] << 8) | 1162 (unsigned long)s_id[2]); 1163 return key; 1164 } 1165 1166 static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p) 1167 { 1168 memset(p, 0, sizeof(*p)); 1169 p->b.domain = s_id[0]; 1170 p->b.area = s_id[1]; 1171 p->b.al_pa = s_id[2]; 1172 } 1173 1174 /* 1175 * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. 1176 */ 1177 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); 1178 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); 1179 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); 1180 extern int qlt_abort_cmd(struct qla_tgt_cmd *); 1181 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); 1182 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); 1183 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); 1184 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); 1185 extern void qlt_enable_vha(struct scsi_qla_host *); 1186 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); 1187 extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *); 1188 extern void qlt_init_atio_q_entries(struct scsi_qla_host *); 1189 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t); 1190 extern void qlt_24xx_config_rings(struct scsi_qla_host *); 1191 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, 1192 struct nvram_24xx *); 1193 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, 1194 struct init_cb_24xx *); 1195 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *, 1196 struct init_cb_81xx *); 1197 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *, 1198 struct nvram_81xx *); 1199 extern int qlt_24xx_process_response_error(struct scsi_qla_host *, 1200 struct sts_entry_24xx *); 1201 extern void qlt_modify_vp_config(struct scsi_qla_host *, 1202 struct vp_config_entry_24xx *); 1203 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); 1204 extern int qlt_mem_alloc(struct qla_hw_data *); 1205 extern void qlt_mem_free(struct qla_hw_data *); 1206 extern int qlt_stop_phase1(struct qla_tgt *); 1207 extern void qlt_stop_phase2(struct qla_tgt *); 1208 extern irqreturn_t qla83xx_msix_atio_q(int, void *); 1209 extern void qlt_83xx_iospace_config(struct qla_hw_data *); 1210 extern int qlt_free_qfull_cmds(struct scsi_qla_host *); 1211 extern void qlt_logo_completion_handler(fc_port_t *, int); 1212 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); 1213 1214 #endif /* __QLA_TARGET_H */ 1215