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 uint8_t data[58]; 431 uint32_t signature; 432 #define ATIO_PROCESSED 0xDEADDEAD /* Signature */ 433 } raw; 434 } u; 435 } __packed; 436 437 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ 438 439 /* 440 * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. 441 * This structure is sent to the ISP 24xx from the target driver. 442 */ 443 444 struct ctio7_to_24xx { 445 uint8_t entry_type; /* Entry type. */ 446 uint8_t entry_count; /* Entry count. */ 447 uint8_t sys_define; /* System defined. */ 448 uint8_t entry_status; /* Entry Status. */ 449 uint32_t handle; /* System defined handle */ 450 uint16_t nport_handle; 451 #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF 452 uint16_t timeout; 453 uint16_t dseg_count; /* Data segment count. */ 454 uint8_t vp_index; 455 uint8_t add_flags; 456 uint8_t initiator_id[3]; 457 uint8_t reserved; 458 uint32_t exchange_addr; 459 union { 460 struct { 461 uint16_t reserved1; 462 __le16 flags; 463 uint32_t residual; 464 __le16 ox_id; 465 uint16_t scsi_status; 466 uint32_t relative_offset; 467 uint32_t reserved2; 468 uint32_t transfer_length; 469 uint32_t reserved3; 470 /* Data segment 0 address. */ 471 uint32_t dseg_0_address[2]; 472 /* Data segment 0 length. */ 473 uint32_t dseg_0_length; 474 } status0; 475 struct { 476 uint16_t sense_length; 477 uint16_t flags; 478 uint32_t residual; 479 __le16 ox_id; 480 uint16_t scsi_status; 481 uint16_t response_len; 482 uint16_t reserved; 483 uint8_t sense_data[24]; 484 } status1; 485 } u; 486 } __packed; 487 488 /* 489 * ISP queue - CTIO type 7 from ISP 24xx to target driver 490 * returned entry structure. 491 */ 492 struct ctio7_from_24xx { 493 uint8_t entry_type; /* Entry type. */ 494 uint8_t entry_count; /* Entry count. */ 495 uint8_t sys_define; /* System defined. */ 496 uint8_t entry_status; /* Entry Status. */ 497 uint32_t handle; /* System defined handle */ 498 uint16_t status; 499 uint16_t timeout; 500 uint16_t dseg_count; /* Data segment count. */ 501 uint8_t vp_index; 502 uint8_t reserved1[5]; 503 uint32_t exchange_address; 504 uint16_t reserved2; 505 uint16_t flags; 506 uint32_t residual; 507 uint16_t ox_id; 508 uint16_t reserved3; 509 uint32_t relative_offset; 510 uint8_t reserved4[24]; 511 } __packed; 512 513 /* CTIO7 flags values */ 514 #define CTIO7_FLAGS_SEND_STATUS BIT_15 515 #define CTIO7_FLAGS_TERMINATE BIT_14 516 #define CTIO7_FLAGS_CONFORM_REQ BIT_13 517 #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8 518 #define CTIO7_FLAGS_STATUS_MODE_0 0 519 #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6 520 #define CTIO7_FLAGS_STATUS_MODE_2 BIT_7 521 #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5 522 #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4 523 #define CTIO7_FLAGS_DSD_PTR BIT_2 524 #define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */ 525 #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */ 526 527 #define ELS_PLOGI 0x3 528 #define ELS_FLOGI 0x4 529 #define ELS_LOGO 0x5 530 #define ELS_PRLI 0x20 531 #define ELS_PRLO 0x21 532 #define ELS_TPRLO 0x24 533 #define ELS_PDISC 0x50 534 #define ELS_ADISC 0x52 535 536 /* 537 *CTIO Type CRC_2 IOCB 538 */ 539 struct ctio_crc2_to_fw { 540 uint8_t entry_type; /* Entry type. */ 541 #define CTIO_CRC2 0x7A 542 uint8_t entry_count; /* Entry count. */ 543 uint8_t sys_define; /* System defined. */ 544 uint8_t entry_status; /* Entry Status. */ 545 546 uint32_t handle; /* System handle. */ 547 uint16_t nport_handle; /* N_PORT handle. */ 548 __le16 timeout; /* Command timeout. */ 549 550 uint16_t dseg_count; /* Data segment count. */ 551 uint8_t vp_index; 552 uint8_t add_flags; /* additional flags */ 553 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3 554 555 uint8_t initiator_id[3]; /* initiator ID */ 556 uint8_t reserved1; 557 uint32_t exchange_addr; /* rcv exchange address */ 558 uint16_t reserved2; 559 __le16 flags; /* refer to CTIO7 flags values */ 560 uint32_t residual; 561 __le16 ox_id; 562 uint16_t scsi_status; 563 __le32 relative_offset; 564 uint32_t reserved5; 565 __le32 transfer_length; /* total fc transfer length */ 566 uint32_t reserved6; 567 __le32 crc_context_address[2];/* Data segment address. */ 568 uint16_t crc_context_len; /* Data segment length. */ 569 uint16_t reserved_1; /* MUST be set to 0. */ 570 } __packed; 571 572 /* CTIO Type CRC_x Status IOCB */ 573 struct ctio_crc_from_fw { 574 uint8_t entry_type; /* Entry type. */ 575 uint8_t entry_count; /* Entry count. */ 576 uint8_t sys_define; /* System defined. */ 577 uint8_t entry_status; /* Entry Status. */ 578 579 uint32_t handle; /* System handle. */ 580 uint16_t status; 581 uint16_t timeout; /* Command timeout. */ 582 uint16_t dseg_count; /* Data segment count. */ 583 uint32_t reserved1; 584 uint16_t state_flags; 585 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4 586 587 uint32_t exchange_address; /* rcv exchange address */ 588 uint16_t reserved2; 589 uint16_t flags; 590 uint32_t resid_xfer_length; 591 uint16_t ox_id; 592 uint8_t reserved3[12]; 593 uint16_t runt_guard; /* reported runt blk guard */ 594 uint8_t actual_dif[8]; 595 uint8_t expected_dif[8]; 596 } __packed; 597 598 /* 599 * ISP queue - ABTS received/response entries structure definition for 24xx. 600 */ 601 #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ 602 #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ 603 604 /* 605 * ISP queue - ABTS received IOCB entry structure definition for 24xx. 606 * The ABTS BLS received from the wire is sent to the 607 * target driver by the ISP 24xx. 608 * The IOCB is placed on the response queue. 609 */ 610 struct abts_recv_from_24xx { 611 uint8_t entry_type; /* Entry type. */ 612 uint8_t entry_count; /* Entry count. */ 613 uint8_t sys_define; /* System defined. */ 614 uint8_t entry_status; /* Entry Status. */ 615 uint8_t reserved_1[6]; 616 uint16_t nport_handle; 617 uint8_t reserved_2[2]; 618 uint8_t vp_index; 619 uint8_t reserved_3:4; 620 uint8_t sof_type:4; 621 uint32_t exchange_address; 622 struct fcp_hdr_le fcp_hdr_le; 623 uint8_t reserved_4[16]; 624 uint32_t exchange_addr_to_abort; 625 } __packed; 626 627 #define ABTS_PARAM_ABORT_SEQ BIT_0 628 629 struct ba_acc_le { 630 uint16_t reserved; 631 uint8_t seq_id_last; 632 uint8_t seq_id_valid; 633 #define SEQ_ID_VALID 0x80 634 #define SEQ_ID_INVALID 0x00 635 uint16_t rx_id; 636 uint16_t ox_id; 637 uint16_t high_seq_cnt; 638 uint16_t low_seq_cnt; 639 } __packed; 640 641 struct ba_rjt_le { 642 uint8_t vendor_uniq; 643 uint8_t reason_expl; 644 uint8_t reason_code; 645 #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1 646 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9 647 uint8_t reserved; 648 } __packed; 649 650 /* 651 * ISP queue - ABTS Response IOCB entry structure definition for 24xx. 652 * The ABTS response to the ABTS received is sent by the 653 * target driver to the ISP 24xx. 654 * The IOCB is placed on the request queue. 655 */ 656 struct abts_resp_to_24xx { 657 uint8_t entry_type; /* Entry type. */ 658 uint8_t entry_count; /* Entry count. */ 659 uint8_t sys_define; /* System defined. */ 660 uint8_t entry_status; /* Entry Status. */ 661 uint32_t handle; 662 uint16_t reserved_1; 663 uint16_t nport_handle; 664 uint16_t control_flags; 665 #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0 666 uint8_t vp_index; 667 uint8_t reserved_3:4; 668 uint8_t sof_type:4; 669 uint32_t exchange_address; 670 struct fcp_hdr_le fcp_hdr_le; 671 union { 672 struct ba_acc_le ba_acct; 673 struct ba_rjt_le ba_rjt; 674 } __packed payload; 675 uint32_t reserved_4; 676 uint32_t exchange_addr_to_abort; 677 } __packed; 678 679 /* 680 * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. 681 * The ABTS response with completion status to the ABTS response 682 * (sent by the target driver to the ISP 24xx) is sent by the 683 * ISP24xx firmware to the target driver. 684 * The IOCB is placed on the response queue. 685 */ 686 struct abts_resp_from_24xx_fw { 687 uint8_t entry_type; /* Entry type. */ 688 uint8_t entry_count; /* Entry count. */ 689 uint8_t sys_define; /* System defined. */ 690 uint8_t entry_status; /* Entry Status. */ 691 uint32_t handle; 692 uint16_t compl_status; 693 #define ABTS_RESP_COMPL_SUCCESS 0 694 #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31 695 uint16_t nport_handle; 696 uint16_t reserved_1; 697 uint8_t reserved_2; 698 uint8_t reserved_3:4; 699 uint8_t sof_type:4; 700 uint32_t exchange_address; 701 struct fcp_hdr_le fcp_hdr_le; 702 uint8_t reserved_4[8]; 703 uint32_t error_subcode1; 704 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E 705 uint32_t error_subcode2; 706 uint32_t exchange_addr_to_abort; 707 } __packed; 708 709 /********************************************************************\ 710 * Type Definitions used by initiator & target halves 711 \********************************************************************/ 712 713 struct qla_tgt_mgmt_cmd; 714 struct qla_tgt_sess; 715 716 /* 717 * This structure provides a template of function calls that the 718 * target driver (from within qla_target.c) can issue to the 719 * target module (tcm_qla2xxx). 720 */ 721 struct qla_tgt_func_tmpl { 722 723 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, 724 unsigned char *, uint32_t, int, int, int); 725 void (*handle_data)(struct qla_tgt_cmd *); 726 void (*handle_dif_err)(struct qla_tgt_cmd *); 727 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t, 728 uint32_t); 729 void (*free_cmd)(struct qla_tgt_cmd *); 730 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *); 731 void (*free_session)(struct qla_tgt_sess *); 732 733 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, 734 void *, uint8_t *, uint16_t); 735 void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool); 736 struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *, 737 const uint16_t); 738 struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *, 739 const uint8_t *); 740 void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *); 741 void (*put_sess)(struct qla_tgt_sess *); 742 void (*shutdown_sess)(struct qla_tgt_sess *); 743 }; 744 745 int qla2x00_wait_for_hba_online(struct scsi_qla_host *); 746 747 #include <target/target_core_base.h> 748 749 #define QLA_TGT_TIMEOUT 10 /* in seconds */ 750 751 #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ 752 753 /* Immediate notify status constants */ 754 #define IMM_NTFY_LIP_RESET 0x000E 755 #define IMM_NTFY_LIP_LINK_REINIT 0x000F 756 #define IMM_NTFY_IOCB_OVERFLOW 0x0016 757 #define IMM_NTFY_ABORT_TASK 0x0020 758 #define IMM_NTFY_PORT_LOGOUT 0x0029 759 #define IMM_NTFY_PORT_CONFIG 0x002A 760 #define IMM_NTFY_GLBL_TPRLO 0x002D 761 #define IMM_NTFY_GLBL_LOGO 0x002E 762 #define IMM_NTFY_RESOURCE 0x0034 763 #define IMM_NTFY_MSG_RX 0x0036 764 #define IMM_NTFY_SRR 0x0045 765 #define IMM_NTFY_ELS 0x0046 766 767 /* Immediate notify task flags */ 768 #define IMM_NTFY_TASK_MGMT_SHIFT 8 769 770 #define QLA_TGT_CLEAR_ACA 0x40 771 #define QLA_TGT_TARGET_RESET 0x20 772 #define QLA_TGT_LUN_RESET 0x10 773 #define QLA_TGT_CLEAR_TS 0x04 774 #define QLA_TGT_ABORT_TS 0x02 775 #define QLA_TGT_ABORT_ALL_SESS 0xFFFF 776 #define QLA_TGT_ABORT_ALL 0xFFFE 777 #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD 778 #define QLA_TGT_NEXUS_LOSS 0xFFFC 779 780 /* Notify Acknowledge flags */ 781 #define NOTIFY_ACK_RES_COUNT BIT_8 782 #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5 783 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4 784 785 /* Command's states */ 786 #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ 787 #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ 788 #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ 789 #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ 790 791 792 /* Special handles */ 793 #define QLA_TGT_NULL_HANDLE 0 794 #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~CTIO_COMPLETION_HANDLE_MARK) 795 796 /* ATIO task_codes field */ 797 #define ATIO_SIMPLE_QUEUE 0 798 #define ATIO_HEAD_OF_QUEUE 1 799 #define ATIO_ORDERED_QUEUE 2 800 #define ATIO_ACA_QUEUE 4 801 #define ATIO_UNTAGGED 5 802 803 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ 804 #define FC_TM_SUCCESS 0 805 #define FC_TM_BAD_FCP_DATA 1 806 #define FC_TM_BAD_CMD 2 807 #define FC_TM_FCP_DATA_MISMATCH 3 808 #define FC_TM_REJECT 4 809 #define FC_TM_FAILED 5 810 811 #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G) 812 #define pci_dma_lo32(a) (a & 0xffffffff) 813 #define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff) 814 #else 815 #define pci_dma_lo32(a) (a & 0xffffffff) 816 #define pci_dma_hi32(a) 0 817 #endif 818 819 #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \ 820 (((const uint8_t *)(sense))[0] & 0x70) == 0x70) 821 822 struct qla_port_24xx_data { 823 uint8_t port_name[WWN_SIZE]; 824 uint16_t loop_id; 825 uint16_t reserved; 826 }; 827 828 struct qla_tgt { 829 struct scsi_qla_host *vha; 830 struct qla_hw_data *ha; 831 832 /* 833 * To sync between IRQ handlers and qlt_target_release(). Needed, 834 * because req_pkt() can drop/reaquire HW lock inside. Protected by 835 * HW lock. 836 */ 837 int irq_cmd_count; 838 int atio_irq_cmd_count; 839 840 int datasegs_per_cmd, datasegs_per_cont, sg_tablesize; 841 842 /* Target's flags, serialized by pha->hardware_lock */ 843 unsigned int tgt_enable_64bit_addr:1; /* 64-bits PCI addr enabled */ 844 unsigned int link_reinit_iocb_pending:1; 845 846 /* 847 * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex 848 * OR hardware_lock for reading. 849 */ 850 int tgt_stop; /* the target mode driver is being stopped */ 851 int tgt_stopped; /* the target mode driver has been stopped */ 852 853 /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ 854 int sess_count; 855 856 /* Protected by hardware_lock. Addition also protected by tgt_mutex. */ 857 struct list_head sess_list; 858 859 /* Protected by hardware_lock */ 860 struct list_head del_sess_list; 861 struct delayed_work sess_del_work; 862 863 spinlock_t sess_work_lock; 864 struct list_head sess_works_list; 865 struct work_struct sess_work; 866 867 struct imm_ntfy_from_isp link_reinit_iocb; 868 wait_queue_head_t waitQ; 869 int notify_ack_expected; 870 int abts_resp_expected; 871 int modify_lun_expected; 872 873 int ctio_srr_id; 874 int imm_srr_id; 875 spinlock_t srr_lock; 876 struct list_head srr_ctio_list; 877 struct list_head srr_imm_list; 878 struct work_struct srr_work; 879 880 atomic_t tgt_global_resets_count; 881 882 struct list_head tgt_list_entry; 883 }; 884 885 struct qla_tgt_sess_op { 886 struct scsi_qla_host *vha; 887 uint32_t chip_reset; 888 struct atio_from_isp atio; 889 struct work_struct work; 890 struct list_head cmd_list; 891 bool aborted; 892 }; 893 894 enum qla_sess_deletion { 895 QLA_SESS_DELETION_NONE = 0, 896 QLA_SESS_DELETION_PENDING = 1, /* hopefully we can get rid of 897 * this one */ 898 QLA_SESS_DELETION_IN_PROGRESS = 2, 899 }; 900 901 typedef enum { 902 QLT_PLOGI_LINK_SAME_WWN, 903 QLT_PLOGI_LINK_CONFLICT, 904 QLT_PLOGI_LINK_MAX 905 } qlt_plogi_link_t; 906 907 typedef struct { 908 struct list_head list; 909 struct imm_ntfy_from_isp iocb; 910 port_id_t id; 911 int ref_count; 912 } qlt_plogi_ack_t; 913 914 /* 915 * Equivilant to IT Nexus (Initiator-Target) 916 */ 917 struct qla_tgt_sess { 918 uint16_t loop_id; 919 port_id_t s_id; 920 921 unsigned int conf_compl_supported:1; 922 unsigned int deleted:2; 923 unsigned int local:1; 924 unsigned int logout_on_delete:1; 925 unsigned int keep_nport_handle:1; 926 unsigned int send_els_logo:1; 927 928 unsigned char logout_completed; 929 930 int generation; 931 932 struct se_session *se_sess; 933 struct scsi_qla_host *vha; 934 struct qla_tgt *tgt; 935 936 struct list_head sess_list_entry; 937 unsigned long expires; 938 struct list_head del_list_entry; 939 940 uint8_t port_name[WWN_SIZE]; 941 struct work_struct free_work; 942 943 qlt_plogi_ack_t *plogi_link[QLT_PLOGI_LINK_MAX]; 944 }; 945 946 typedef enum { 947 /* 948 * BIT_0 - Atio Arrival / schedule to work 949 * BIT_1 - qlt_do_work 950 * BIT_2 - qlt_do work failed 951 * BIT_3 - xfer rdy/tcm_qla2xxx_write_pending 952 * BIT_4 - read respond/tcm_qla2xx_queue_data_in 953 * BIT_5 - status respond / tcm_qla2xx_queue_status 954 * BIT_6 - tcm request to abort/Term exchange. 955 * pre_xmit_response->qlt_send_term_exchange 956 * BIT_7 - SRR received (qlt_handle_srr->qlt_xmit_response) 957 * BIT_8 - SRR received (qlt_handle_srr->qlt_rdy_to_xfer) 958 * BIT_9 - SRR received (qla_handle_srr->qlt_send_term_exchange) 959 * BIT_10 - Data in - hanlde_data->tcm_qla2xxx_handle_data 960 961 * BIT_12 - good completion - qlt_ctio_do_completion -->free_cmd 962 * BIT_13 - Bad completion - 963 * qlt_ctio_do_completion --> qlt_term_ctio_exchange 964 * BIT_14 - Back end data received/sent. 965 * BIT_15 - SRR prepare ctio 966 * BIT_16 - complete free 967 * BIT_17 - flush - qlt_abort_cmd_on_host_reset 968 * BIT_18 - completion w/abort status 969 * BIT_19 - completion w/unknown status 970 * BIT_20 - tcm_qla2xxx_free_cmd 971 */ 972 CMD_FLAG_DATA_WORK = BIT_11, 973 CMD_FLAG_DATA_WORK_FREE = BIT_21, 974 } cmd_flags_t; 975 976 struct qla_tgt_cmd { 977 struct se_cmd se_cmd; 978 struct qla_tgt_sess *sess; 979 int state; 980 struct work_struct free_work; 981 struct work_struct work; 982 /* Sense buffer that will be mapped into outgoing status */ 983 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; 984 985 spinlock_t cmd_lock; 986 /* to save extra sess dereferences */ 987 unsigned int conf_compl_supported:1; 988 unsigned int sg_mapped:1; 989 unsigned int free_sg:1; 990 unsigned int write_data_transferred:1; 991 unsigned int ctx_dsd_alloced:1; 992 unsigned int q_full:1; 993 unsigned int term_exchg:1; 994 unsigned int cmd_sent_to_fw:1; 995 unsigned int cmd_in_wq:1; 996 unsigned int aborted:1; 997 998 struct scatterlist *sg; /* cmd data buffer SG vector */ 999 int sg_cnt; /* SG segments count */ 1000 int bufflen; /* cmd buffer length */ 1001 int offset; 1002 uint32_t unpacked_lun; 1003 enum dma_data_direction dma_data_direction; 1004 uint32_t reset_count; 1005 1006 uint16_t loop_id; /* to save extra sess dereferences */ 1007 struct qla_tgt *tgt; /* to save extra sess dereferences */ 1008 struct scsi_qla_host *vha; 1009 struct list_head cmd_list; 1010 1011 struct atio_from_isp atio; 1012 /* t10dif */ 1013 struct scatterlist *prot_sg; 1014 uint32_t prot_sg_cnt; 1015 uint32_t blk_sz; 1016 struct crc_context *ctx; 1017 1018 uint64_t jiffies_at_alloc; 1019 uint64_t jiffies_at_free; 1020 1021 cmd_flags_t cmd_flags; 1022 }; 1023 1024 struct qla_tgt_sess_work_param { 1025 struct list_head sess_works_list_entry; 1026 1027 #define QLA_TGT_SESS_WORK_ABORT 1 1028 #define QLA_TGT_SESS_WORK_TM 2 1029 int type; 1030 1031 union { 1032 struct abts_recv_from_24xx abts; 1033 struct imm_ntfy_from_isp tm_iocb; 1034 struct atio_from_isp tm_iocb2; 1035 }; 1036 }; 1037 1038 struct qla_tgt_mgmt_cmd { 1039 uint8_t tmr_func; 1040 uint8_t fc_tm_rsp; 1041 struct qla_tgt_sess *sess; 1042 struct se_cmd se_cmd; 1043 struct work_struct free_work; 1044 unsigned int flags; 1045 uint32_t reset_count; 1046 #define QLA24XX_MGMT_SEND_NACK 1 1047 union { 1048 struct atio_from_isp atio; 1049 struct imm_ntfy_from_isp imm_ntfy; 1050 struct abts_recv_from_24xx abts; 1051 } __packed orig_iocb; 1052 }; 1053 1054 struct qla_tgt_prm { 1055 struct qla_tgt_cmd *cmd; 1056 struct qla_tgt *tgt; 1057 void *pkt; 1058 struct scatterlist *sg; /* cmd data buffer SG vector */ 1059 unsigned char *sense_buffer; 1060 int seg_cnt; 1061 int req_cnt; 1062 uint16_t rq_result; 1063 uint16_t scsi_status; 1064 int sense_buffer_len; 1065 int residual; 1066 int add_status_pkt; 1067 /* dif */ 1068 struct scatterlist *prot_sg; 1069 uint16_t prot_seg_cnt; 1070 uint16_t tot_dsds; 1071 }; 1072 1073 struct qla_tgt_srr_imm { 1074 struct list_head srr_list_entry; 1075 int srr_id; 1076 struct imm_ntfy_from_isp imm_ntfy; 1077 }; 1078 1079 struct qla_tgt_srr_ctio { 1080 struct list_head srr_list_entry; 1081 int srr_id; 1082 struct qla_tgt_cmd *cmd; 1083 }; 1084 1085 /* Check for Switch reserved address */ 1086 #define IS_SW_RESV_ADDR(_s_id) \ 1087 ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc)) 1088 1089 #define QLA_TGT_XMIT_DATA 1 1090 #define QLA_TGT_XMIT_STATUS 2 1091 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) 1092 1093 1094 extern struct qla_tgt_data qla_target; 1095 1096 /* 1097 * Function prototypes for qla_target.c logic used by qla2xxx LLD code. 1098 */ 1099 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); 1100 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); 1101 extern int qlt_lport_register(void *, u64, u64, u64, 1102 int (*callback)(struct scsi_qla_host *, void *, u64, u64)); 1103 extern void qlt_lport_deregister(struct scsi_qla_host *); 1104 extern void qlt_unreg_sess(struct qla_tgt_sess *); 1105 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); 1106 extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int); 1107 extern int __init qlt_init(void); 1108 extern void qlt_exit(void); 1109 extern void qlt_update_vp_map(struct scsi_qla_host *, int); 1110 1111 /* 1112 * This macro is used during early initializations when host->active_mode 1113 * is not set. Right now, ha value is ignored. 1114 */ 1115 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) 1116 extern int ql2x_ini_mode; 1117 1118 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) 1119 { 1120 return ha->host->active_mode & MODE_TARGET; 1121 } 1122 1123 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) 1124 { 1125 return ha->host->active_mode & MODE_INITIATOR; 1126 } 1127 1128 static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha) 1129 { 1130 if (ha->host->active_mode & MODE_INITIATOR) 1131 ha->host->active_mode &= ~MODE_INITIATOR; 1132 else 1133 ha->host->active_mode |= MODE_INITIATOR; 1134 } 1135 1136 static inline uint32_t sid_to_key(const uint8_t *s_id) 1137 { 1138 uint32_t key; 1139 1140 key = (((unsigned long)s_id[0] << 16) | 1141 ((unsigned long)s_id[1] << 8) | 1142 (unsigned long)s_id[2]); 1143 return key; 1144 } 1145 1146 static inline void sid_to_portid(const uint8_t *s_id, port_id_t *p) 1147 { 1148 memset(p, 0, sizeof(*p)); 1149 p->b.domain = s_id[0]; 1150 p->b.area = s_id[1]; 1151 p->b.al_pa = s_id[2]; 1152 } 1153 1154 /* 1155 * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. 1156 */ 1157 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *); 1158 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); 1159 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); 1160 extern int qlt_abort_cmd(struct qla_tgt_cmd *); 1161 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); 1162 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); 1163 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); 1164 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); 1165 extern void qlt_enable_vha(struct scsi_qla_host *); 1166 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); 1167 extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *); 1168 extern void qlt_init_atio_q_entries(struct scsi_qla_host *); 1169 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t); 1170 extern void qlt_24xx_config_rings(struct scsi_qla_host *); 1171 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, 1172 struct nvram_24xx *); 1173 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, 1174 struct init_cb_24xx *); 1175 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *, 1176 struct init_cb_81xx *); 1177 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *, 1178 struct nvram_81xx *); 1179 extern int qlt_24xx_process_response_error(struct scsi_qla_host *, 1180 struct sts_entry_24xx *); 1181 extern void qlt_modify_vp_config(struct scsi_qla_host *, 1182 struct vp_config_entry_24xx *); 1183 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); 1184 extern int qlt_mem_alloc(struct qla_hw_data *); 1185 extern void qlt_mem_free(struct qla_hw_data *); 1186 extern int qlt_stop_phase1(struct qla_tgt *); 1187 extern void qlt_stop_phase2(struct qla_tgt *); 1188 extern irqreturn_t qla83xx_msix_atio_q(int, void *); 1189 extern void qlt_83xx_iospace_config(struct qla_hw_data *); 1190 extern int qlt_free_qfull_cmds(struct scsi_qla_host *); 1191 extern void qlt_logo_completion_handler(fc_port_t *, int); 1192 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); 1193 1194 #endif /* __QLA_TARGET_H */ 1195