1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net> 4 * Copyright (C) 2004 - 2005 Leonid Stoljar 5 * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us> 6 * Copyright (C) 2007 - 2010 ID7 Ltd. 7 * 8 * Forward port and refactoring to modern qla2xxx and target/configfs 9 * 10 * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org> 11 * 12 * Additional file for the target driver support. 13 */ 14 /* 15 * This is the global def file that is useful for including from the 16 * target portion. 17 */ 18 19 #ifndef __QLA_TARGET_H 20 #define __QLA_TARGET_H 21 22 #include "qla_def.h" 23 #include "qla_dsd.h" 24 25 /* 26 * Must be changed on any change in any initiator visible interfaces or 27 * data in the target add-on 28 */ 29 #define QLA2XXX_TARGET_MAGIC 269 30 31 /* 32 * Must be changed on any change in any target visible interfaces or 33 * data in the initiator 34 */ 35 #define QLA2XXX_INITIATOR_MAGIC 57222 36 37 #define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive" 38 #define QLA2XXX_INI_MODE_STR_DISABLED "disabled" 39 #define QLA2XXX_INI_MODE_STR_ENABLED "enabled" 40 #define QLA2XXX_INI_MODE_STR_DUAL "dual" 41 42 #define QLA2XXX_INI_MODE_EXCLUSIVE 0 43 #define QLA2XXX_INI_MODE_DISABLED 1 44 #define QLA2XXX_INI_MODE_ENABLED 2 45 #define QLA2XXX_INI_MODE_DUAL 3 46 47 #define QLA2XXX_COMMAND_COUNT_INIT 250 48 #define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250 49 50 /* 51 * Used to mark which completion handles (for RIO Status's) are for CTIO's 52 * vs. regular (non-target) info. This is checked for in 53 * qla2x00_process_response_queue() to see if a handle coming back in a 54 * multi-complete should come to the tgt driver or be handled there by qla2xxx 55 */ 56 #define CTIO_COMPLETION_HANDLE_MARK BIT_29 57 #if (CTIO_COMPLETION_HANDLE_MARK <= DEFAULT_OUTSTANDING_COMMANDS) 58 #error "CTIO_COMPLETION_HANDLE_MARK not larger than " 59 "DEFAULT_OUTSTANDING_COMMANDS" 60 #endif 61 #define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK) 62 63 /* Used to mark CTIO as intermediate */ 64 #define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30 65 #define QLA_TGT_NULL_HANDLE 0 66 67 #define QLA_TGT_HANDLE_MASK 0xF0000000 68 #define QLA_QPID_HANDLE_MASK 0x00FF0000 /* qpair id mask */ 69 #define QLA_CMD_HANDLE_MASK 0x0000FFFF 70 #define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~QLA_TGT_HANDLE_MASK) 71 72 #define QLA_QPID_HANDLE_SHIFT 16 73 #define GET_QID(_h) ((_h & QLA_QPID_HANDLE_MASK) >> QLA_QPID_HANDLE_SHIFT) 74 75 76 #ifndef OF_SS_MODE_0 77 /* 78 * ISP target entries - Flags bit definitions. 79 */ 80 #define OF_SS_MODE_0 0 81 #define OF_SS_MODE_1 1 82 #define OF_SS_MODE_2 2 83 #define OF_SS_MODE_3 3 84 85 #define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */ 86 #define OF_DATA_IN BIT_6 /* Data in to initiator */ 87 /* (data from target to initiator) */ 88 #define OF_DATA_OUT BIT_7 /* Data out from initiator */ 89 /* (data from initiator to target) */ 90 #define OF_NO_DATA (BIT_7 | BIT_6) 91 #define OF_INC_RC BIT_8 /* Increment command resource count */ 92 #define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */ 93 #define OF_CONF_REQ BIT_13 /* Confirmation Requested */ 94 #define OF_TERM_EXCH BIT_14 /* Terminate exchange */ 95 #define OF_SSTS BIT_15 /* Send SCSI status */ 96 #endif 97 98 #ifndef QLA_TGT_DATASEGS_PER_CMD32 99 #define QLA_TGT_DATASEGS_PER_CMD32 3 100 #define QLA_TGT_DATASEGS_PER_CONT32 7 101 #define QLA_TGT_MAX_SG32(ql) \ 102 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \ 103 QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0) 104 105 #define QLA_TGT_DATASEGS_PER_CMD64 2 106 #define QLA_TGT_DATASEGS_PER_CONT64 5 107 #define QLA_TGT_MAX_SG64(ql) \ 108 (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \ 109 QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0) 110 #endif 111 112 #ifndef QLA_TGT_DATASEGS_PER_CMD_24XX 113 #define QLA_TGT_DATASEGS_PER_CMD_24XX 1 114 #define QLA_TGT_DATASEGS_PER_CONT_24XX 5 115 #define QLA_TGT_MAX_SG_24XX(ql) \ 116 (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \ 117 QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0)) 118 #endif 119 120 #define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \ 121 ? le16_to_cpu((iocb)->u.isp2x.target.extended) \ 122 : (uint16_t)(iocb)->u.isp2x.target.id.standard) 123 124 #ifndef NOTIFY_ACK_TYPE 125 #define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */ 126 /* 127 * ISP queue - notify acknowledge entry structure definition. 128 * This is sent to the ISP from the target driver. 129 */ 130 struct nack_to_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 __le32 sys_define_2; /* System defined. */ 138 target_id_t target; 139 uint8_t target_id; 140 uint8_t reserved_1; 141 __le16 flags; 142 __le16 resp_code; 143 __le16 status; 144 __le16 task_flags; 145 __le16 seq_id; 146 __le16 srr_rx_id; 147 __le32 srr_rel_offs; 148 __le16 srr_ui; 149 __le16 srr_flags; 150 __le16 srr_reject_code; 151 uint8_t srr_reject_vendor_uniq; 152 uint8_t srr_reject_code_expl; 153 uint8_t reserved_2[24]; 154 } isp2x; 155 struct { 156 uint32_t handle; 157 __le16 nport_handle; 158 uint16_t reserved_1; 159 __le16 flags; 160 __le16 srr_rx_id; 161 __le16 status; 162 uint8_t status_subcode; 163 uint8_t fw_handle; 164 __le32 exchange_address; 165 __le32 srr_rel_offs; 166 __le16 srr_ui; 167 __le16 srr_flags; 168 uint8_t reserved_4[19]; 169 uint8_t vp_index; 170 uint8_t srr_reject_vendor_uniq; 171 uint8_t srr_reject_code_expl; 172 uint8_t srr_reject_code; 173 uint8_t reserved_5[5]; 174 } isp24; 175 } u; 176 uint8_t reserved[2]; 177 __le16 ox_id; 178 } __packed; 179 #define NOTIFY_ACK_FLAGS_FCSP BIT_5 180 #define NOTIFY_ACK_FLAGS_TERMINATE BIT_3 181 #define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0 182 #define NOTIFY_ACK_SRR_FLAGS_REJECT 1 183 184 #define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9 185 186 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0 187 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_INVALID_OX_ID_RX_ID 0x17 188 #define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a 189 190 #define NOTIFY_ACK_SUCCESS 0x01 191 #endif 192 193 #ifndef ACCEPT_TGT_IO_TYPE 194 #define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */ 195 #endif 196 197 #ifndef CONTINUE_TGT_IO_TYPE 198 #define CONTINUE_TGT_IO_TYPE 0x17 199 /* 200 * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure. 201 * This structure is sent to the ISP 2xxx from target driver. 202 */ 203 struct ctio_to_2xxx { 204 uint8_t entry_type; /* Entry type. */ 205 uint8_t entry_count; /* Entry count. */ 206 uint8_t sys_define; /* System defined. */ 207 uint8_t entry_status; /* Entry Status. */ 208 uint32_t handle; /* System defined handle */ 209 target_id_t target; 210 __le16 rx_id; 211 __le16 flags; 212 __le16 status; 213 __le16 timeout; /* 0 = 30 seconds, 0xFFFF = disable */ 214 __le16 dseg_count; /* Data segment count. */ 215 __le32 relative_offset; 216 __le32 residual; 217 __le16 reserved_1[3]; 218 __le16 scsi_status; 219 __le32 transfer_length; 220 struct dsd32 dsd[3]; 221 } __packed; 222 #define ATIO_PATH_INVALID 0x07 223 #define ATIO_CANT_PROV_CAP 0x16 224 #define ATIO_CDB_VALID 0x3D 225 226 #define ATIO_EXEC_READ BIT_1 227 #define ATIO_EXEC_WRITE BIT_0 228 #endif 229 230 #ifndef CTIO_A64_TYPE 231 #define CTIO_A64_TYPE 0x1F 232 #define CTIO_SUCCESS 0x01 233 #define CTIO_ABORTED 0x02 234 #define CTIO_INVALID_RX_ID 0x08 235 #define CTIO_TIMEOUT 0x0B 236 #define CTIO_DIF_ERROR 0x0C /* DIF error detected */ 237 #define CTIO_LIP_RESET 0x0E 238 #define CTIO_TARGET_RESET 0x17 239 #define CTIO_PORT_UNAVAILABLE 0x28 240 #define CTIO_PORT_LOGGED_OUT 0x29 241 #define CTIO_PORT_CONF_CHANGED 0x2A 242 #define CTIO_SRR_RECEIVED 0x45 243 #define CTIO_FAST_AUTH_ERR 0x63 244 #define CTIO_FAST_INCOMP_PAD_LEN 0x65 245 #define CTIO_FAST_INVALID_REQ 0x66 246 #define CTIO_FAST_SPI_ERR 0x67 247 #endif 248 249 #ifndef CTIO_RET_TYPE 250 #define CTIO_RET_TYPE 0x17 /* CTIO return entry */ 251 #define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */ 252 #endif 253 254 struct fcp_hdr { 255 uint8_t r_ctl; 256 be_id_t d_id; 257 uint8_t cs_ctl; 258 be_id_t s_id; 259 uint8_t type; 260 uint8_t f_ctl[3]; 261 uint8_t seq_id; 262 uint8_t df_ctl; 263 uint16_t seq_cnt; 264 __be16 ox_id; 265 uint16_t rx_id; 266 __le32 parameter; 267 }; 268 269 struct fcp_hdr_le { 270 le_id_t d_id; 271 uint8_t r_ctl; 272 le_id_t s_id; 273 uint8_t cs_ctl; 274 uint8_t f_ctl[3]; 275 uint8_t type; 276 __le16 seq_cnt; 277 uint8_t df_ctl; 278 uint8_t seq_id; 279 __le16 rx_id; 280 __le16 ox_id; 281 __le32 parameter; 282 }; 283 284 #define F_CTL_EXCH_CONTEXT_RESP BIT_23 285 #define F_CTL_SEQ_CONTEXT_RESIP BIT_22 286 #define F_CTL_LAST_SEQ BIT_20 287 #define F_CTL_END_SEQ BIT_19 288 #define F_CTL_SEQ_INITIATIVE BIT_16 289 290 #define R_CTL_BASIC_LINK_SERV 0x80 291 #define R_CTL_B_ACC 0x4 292 #define R_CTL_B_RJT 0x5 293 294 struct atio7_fcp_cmnd { 295 uint64_t lun; 296 uint8_t cmnd_ref; 297 uint8_t task_attr:3; 298 uint8_t reserved:5; 299 uint8_t task_mgmt_flags; 300 #define FCP_CMND_TASK_MGMT_CLEAR_ACA 6 301 #define FCP_CMND_TASK_MGMT_TARGET_RESET 5 302 #define FCP_CMND_TASK_MGMT_LU_RESET 4 303 #define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2 304 #define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1 305 uint8_t wrdata:1; 306 uint8_t rddata:1; 307 uint8_t add_cdb_len:6; 308 uint8_t cdb[16]; 309 /* 310 * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4 311 * only to make sizeof(struct atio7_fcp_cmnd) be as expected by 312 * BUILD_BUG_ON in qlt_init(). 313 */ 314 uint8_t add_cdb[4]; 315 /* __le32 data_length; */ 316 } __packed; 317 318 /* 319 * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure. 320 * This is sent from the ISP to the target driver. 321 */ 322 struct atio_from_isp { 323 union { 324 struct { 325 __le16 entry_hdr; 326 uint8_t sys_define; /* System defined. */ 327 uint8_t entry_status; /* Entry Status. */ 328 __le32 sys_define_2; /* System defined. */ 329 target_id_t target; 330 __le16 rx_id; 331 __le16 flags; 332 __le16 status; 333 uint8_t command_ref; 334 uint8_t task_codes; 335 uint8_t task_flags; 336 uint8_t execution_codes; 337 uint8_t cdb[MAX_CMDSZ]; 338 __le32 data_length; 339 __le16 lun; 340 uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */ 341 __le16 reserved_32[6]; 342 __le16 ox_id; 343 } isp2x; 344 struct { 345 __le16 entry_hdr; 346 uint8_t fcp_cmnd_len_low; 347 uint8_t fcp_cmnd_len_high:4; 348 uint8_t attr:4; 349 __le32 exchange_addr; 350 #define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF 351 struct fcp_hdr fcp_hdr; 352 struct atio7_fcp_cmnd fcp_cmnd; 353 } isp24; 354 struct { 355 uint8_t entry_type; /* Entry type. */ 356 uint8_t entry_count; /* Entry count. */ 357 __le16 attr_n_length; 358 #define FCP_CMD_LENGTH_MASK 0x0fff 359 #define FCP_CMD_LENGTH_MIN 0x38 360 uint8_t data[56]; 361 __le32 signature; 362 #define ATIO_PROCESSED 0xDEADDEAD /* Signature */ 363 } raw; 364 } u; 365 } __packed; 366 367 static inline int fcpcmd_is_corrupted(struct atio *atio) 368 { 369 if (atio->entry_type == ATIO_TYPE7 && 370 ((le16_to_cpu(atio->attr_n_length) & FCP_CMD_LENGTH_MASK) < 371 FCP_CMD_LENGTH_MIN)) 372 return 1; 373 else 374 return 0; 375 } 376 377 /* adjust corrupted atio so we won't trip over the same entry again. */ 378 static inline void adjust_corrupted_atio(struct atio_from_isp *atio) 379 { 380 atio->u.raw.attr_n_length = cpu_to_le16(FCP_CMD_LENGTH_MIN); 381 atio->u.isp24.fcp_cmnd.add_cdb_len = 0; 382 } 383 384 static inline int get_datalen_for_atio(struct atio_from_isp *atio) 385 { 386 int len = atio->u.isp24.fcp_cmnd.add_cdb_len; 387 388 return get_unaligned_be32(&atio->u.isp24.fcp_cmnd.add_cdb[len * 4]); 389 } 390 391 #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ 392 393 /* 394 * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure. 395 * This structure is sent to the ISP 24xx from the target driver. 396 */ 397 398 struct ctio7_to_24xx { 399 uint8_t entry_type; /* Entry type. */ 400 uint8_t entry_count; /* Entry count. */ 401 uint8_t sys_define; /* System defined. */ 402 uint8_t entry_status; /* Entry Status. */ 403 uint32_t handle; /* System defined handle */ 404 __le16 nport_handle; 405 #define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF 406 __le16 timeout; 407 __le16 dseg_count; /* Data segment count. */ 408 uint8_t vp_index; 409 uint8_t add_flags; 410 le_id_t initiator_id; 411 uint8_t reserved; 412 __le32 exchange_addr; 413 union { 414 struct { 415 __le16 reserved1; 416 __le16 flags; 417 union { 418 __le32 residual; 419 struct { 420 uint8_t rsvd1; 421 uint8_t edif_flags; 422 #define EF_EN_EDIF BIT_0 423 #define EF_NEW_SA BIT_1 424 uint16_t rsvd2; 425 }; 426 }; 427 __le16 ox_id; 428 __le16 scsi_status; 429 __le32 relative_offset; 430 __le32 reserved2; 431 __le32 transfer_length; 432 __le32 reserved3; 433 struct dsd64 dsd; 434 } status0; 435 struct { 436 __le16 sense_length; 437 __le16 flags; 438 __le32 residual; 439 __le16 ox_id; 440 __le16 scsi_status; 441 __le16 response_len; 442 __le16 reserved; 443 uint8_t sense_data[24]; 444 } status1; 445 } u; 446 } __packed; 447 448 /* 449 * ISP queue - CTIO type 7 from ISP 24xx to target driver 450 * returned entry structure. 451 */ 452 struct ctio7_from_24xx { 453 uint8_t entry_type; /* Entry type. */ 454 uint8_t entry_count; /* Entry count. */ 455 uint8_t sys_define; /* System defined. */ 456 uint8_t entry_status; /* Entry Status. */ 457 uint32_t handle; /* System defined handle */ 458 __le16 status; 459 __le16 timeout; 460 __le16 dseg_count; /* Data segment count. */ 461 uint8_t vp_index; 462 uint8_t reserved1[5]; 463 __le32 exchange_address; 464 __le16 edif_sa_index; 465 __le16 flags; 466 __le32 residual; 467 __le16 ox_id; 468 __le16 reserved3; 469 __le32 relative_offset; 470 uint8_t reserved4[24]; 471 } __packed; 472 473 /* CTIO7 flags values */ 474 #define CTIO7_FLAGS_SEND_STATUS BIT_15 475 #define CTIO7_FLAGS_TERMINATE BIT_14 476 #define CTIO7_FLAGS_CONFORM_REQ BIT_13 477 #define CTIO7_FLAGS_DONT_RET_CTIO BIT_8 478 #define CTIO7_FLAGS_STATUS_MODE_0 0 479 #define CTIO7_FLAGS_STATUS_MODE_1 BIT_6 480 #define CTIO7_FLAGS_STATUS_MODE_2 BIT_7 481 #define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5 482 #define CTIO7_FLAGS_CONFIRM_SATISF BIT_4 483 #define CTIO7_FLAGS_DSD_PTR BIT_2 484 #define CTIO7_FLAGS_DATA_IN BIT_1 /* data to initiator */ 485 #define CTIO7_FLAGS_DATA_OUT BIT_0 /* data from initiator */ 486 487 #define ELS_PLOGI 0x3 488 #define ELS_FLOGI 0x4 489 #define ELS_LOGO 0x5 490 #define ELS_PRLI 0x20 491 #define ELS_PRLO 0x21 492 #define ELS_TPRLO 0x24 493 #define ELS_PDISC 0x50 494 #define ELS_ADISC 0x52 495 496 /* 497 *CTIO Type CRC_2 IOCB 498 */ 499 struct ctio_crc2_to_fw { 500 uint8_t entry_type; /* Entry type. */ 501 #define CTIO_CRC2 0x7A 502 uint8_t entry_count; /* Entry count. */ 503 uint8_t sys_define; /* System defined. */ 504 uint8_t entry_status; /* Entry Status. */ 505 506 uint32_t handle; /* System handle. */ 507 __le16 nport_handle; /* N_PORT handle. */ 508 __le16 timeout; /* Command timeout. */ 509 510 __le16 dseg_count; /* Data segment count. */ 511 uint8_t vp_index; 512 uint8_t add_flags; /* additional flags */ 513 #define CTIO_CRC2_AF_DIF_DSD_ENA BIT_3 514 515 le_id_t initiator_id; /* initiator ID */ 516 uint8_t reserved1; 517 __le32 exchange_addr; /* rcv exchange address */ 518 __le16 reserved2; 519 __le16 flags; /* refer to CTIO7 flags values */ 520 __le32 residual; 521 __le16 ox_id; 522 __le16 scsi_status; 523 __le32 relative_offset; 524 __le32 reserved5; 525 __le32 transfer_length; /* total fc transfer length */ 526 __le32 reserved6; 527 __le64 crc_context_address __packed; /* Data segment address. */ 528 __le16 crc_context_len; /* Data segment length. */ 529 __le16 reserved_1; /* MUST be set to 0. */ 530 }; 531 532 /* CTIO Type CRC_x Status IOCB */ 533 struct ctio_crc_from_fw { 534 uint8_t entry_type; /* Entry type. */ 535 uint8_t entry_count; /* Entry count. */ 536 uint8_t sys_define; /* System defined. */ 537 uint8_t entry_status; /* Entry Status. */ 538 539 uint32_t handle; /* System handle. */ 540 __le16 status; 541 __le16 timeout; /* Command timeout. */ 542 __le16 dseg_count; /* Data segment count. */ 543 __le32 reserved1; 544 __le16 state_flags; 545 #define CTIO_CRC_SF_DIF_CHOPPED BIT_4 546 547 __le32 exchange_address; /* rcv exchange address */ 548 __le16 reserved2; 549 __le16 flags; 550 __le32 resid_xfer_length; 551 __le16 ox_id; 552 uint8_t reserved3[12]; 553 __le16 runt_guard; /* reported runt blk guard */ 554 uint8_t actual_dif[8]; 555 uint8_t expected_dif[8]; 556 } __packed; 557 558 /* 559 * ISP queue - ABTS received/response entries structure definition for 24xx. 560 */ 561 #define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */ 562 #define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */ 563 564 /* 565 * ISP queue - ABTS received IOCB entry structure definition for 24xx. 566 * The ABTS BLS received from the wire is sent to the 567 * target driver by the ISP 24xx. 568 * The IOCB is placed on the response queue. 569 */ 570 struct abts_recv_from_24xx { 571 uint8_t entry_type; /* Entry type. */ 572 uint8_t entry_count; /* Entry count. */ 573 uint8_t sys_define; /* System defined. */ 574 uint8_t entry_status; /* Entry Status. */ 575 uint8_t reserved_1[6]; 576 __le16 nport_handle; 577 uint8_t reserved_2[2]; 578 uint8_t vp_index; 579 uint8_t reserved_3:4; 580 uint8_t sof_type:4; 581 __le32 exchange_address; 582 struct fcp_hdr_le fcp_hdr_le; 583 uint8_t reserved_4[16]; 584 __le32 exchange_addr_to_abort; 585 } __packed; 586 587 #define ABTS_PARAM_ABORT_SEQ BIT_0 588 589 struct ba_acc_le { 590 __le16 reserved; 591 uint8_t seq_id_last; 592 uint8_t seq_id_valid; 593 #define SEQ_ID_VALID 0x80 594 #define SEQ_ID_INVALID 0x00 595 __le16 rx_id; 596 __le16 ox_id; 597 __le16 high_seq_cnt; 598 __le16 low_seq_cnt; 599 } __packed; 600 601 struct ba_rjt_le { 602 uint8_t vendor_uniq; 603 uint8_t reason_expl; 604 uint8_t reason_code; 605 #define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1 606 #define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9 607 uint8_t reserved; 608 } __packed; 609 610 /* 611 * ISP queue - ABTS Response IOCB entry structure definition for 24xx. 612 * The ABTS response to the ABTS received is sent by the 613 * target driver to the ISP 24xx. 614 * The IOCB is placed on the request queue. 615 */ 616 struct abts_resp_to_24xx { 617 uint8_t entry_type; /* Entry type. */ 618 uint8_t entry_count; /* Entry count. */ 619 uint8_t sys_define; /* System defined. */ 620 uint8_t entry_status; /* Entry Status. */ 621 uint32_t handle; 622 __le16 reserved_1; 623 __le16 nport_handle; 624 __le16 control_flags; 625 #define ABTS_CONTR_FLG_TERM_EXCHG BIT_0 626 uint8_t vp_index; 627 uint8_t reserved_3:4; 628 uint8_t sof_type:4; 629 __le32 exchange_address; 630 struct fcp_hdr_le fcp_hdr_le; 631 union { 632 struct ba_acc_le ba_acct; 633 struct ba_rjt_le ba_rjt; 634 } __packed payload; 635 __le32 reserved_4; 636 __le32 exchange_addr_to_abort; 637 } __packed; 638 639 /* 640 * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure. 641 * The ABTS response with completion status to the ABTS response 642 * (sent by the target driver to the ISP 24xx) is sent by the 643 * ISP24xx firmware to the target driver. 644 * The IOCB is placed on the response queue. 645 */ 646 struct abts_resp_from_24xx_fw { 647 uint8_t entry_type; /* Entry type. */ 648 uint8_t entry_count; /* Entry count. */ 649 uint8_t sys_define; /* System defined. */ 650 uint8_t entry_status; /* Entry Status. */ 651 uint32_t handle; 652 __le16 compl_status; 653 #define ABTS_RESP_COMPL_SUCCESS 0 654 #define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31 655 __le16 nport_handle; 656 __le16 reserved_1; 657 uint8_t reserved_2; 658 uint8_t reserved_3:4; 659 uint8_t sof_type:4; 660 __le32 exchange_address; 661 struct fcp_hdr_le fcp_hdr_le; 662 uint8_t reserved_4[8]; 663 __le32 error_subcode1; 664 #define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E 665 __le32 error_subcode2; 666 __le32 exchange_addr_to_abort; 667 } __packed; 668 669 /********************************************************************\ 670 * Type Definitions used by initiator & target halves 671 \********************************************************************/ 672 673 struct qla_tgt_mgmt_cmd; 674 struct fc_port; 675 struct qla_tgt_cmd; 676 677 /* 678 * This structure provides a template of function calls that the 679 * target driver (from within qla_target.c) can issue to the 680 * target module (tcm_qla2xxx). 681 */ 682 struct qla_tgt_func_tmpl { 683 struct qla_tgt_cmd *(*find_cmd_by_tag)(struct fc_port *, uint64_t); 684 int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, 685 unsigned char *, uint32_t, int, int, int); 686 void (*handle_data)(struct qla_tgt_cmd *); 687 int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, u64, uint16_t, 688 uint32_t); 689 struct qla_tgt_cmd *(*get_cmd)(struct fc_port *); 690 int (*get_cmd_ref)(struct qla_tgt_cmd *cmd); 691 void (*put_cmd_ref)(struct qla_tgt_cmd *cmd); 692 void (*rel_cmd)(struct qla_tgt_cmd *); 693 void (*free_cmd)(struct qla_tgt_cmd *); 694 void (*free_mcmd)(struct qla_tgt_mgmt_cmd *); 695 void (*free_session)(struct fc_port *); 696 697 int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, 698 struct fc_port *); 699 void (*update_sess)(struct fc_port *, port_id_t, uint16_t, bool); 700 struct fc_port *(*find_sess_by_loop_id)(struct scsi_qla_host *, 701 const uint16_t); 702 struct fc_port *(*find_sess_by_s_id)(struct scsi_qla_host *, 703 const be_id_t); 704 void (*clear_nacl_from_fcport_map)(struct fc_port *); 705 void (*put_sess)(struct fc_port *); 706 void (*shutdown_sess)(struct fc_port *); 707 int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts); 708 int (*chk_dif_tags)(uint32_t tag); 709 void (*add_target)(struct scsi_qla_host *); 710 void (*remove_target)(struct scsi_qla_host *); 711 }; 712 713 int qla2x00_wait_for_hba_online(struct scsi_qla_host *); 714 715 #include <target/target_core_base.h> 716 717 #define QLA_TGT_TIMEOUT 10 /* in seconds */ 718 719 #define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */ 720 721 /* Immediate notify status constants */ 722 #define IMM_NTFY_LIP_RESET 0x000E 723 #define IMM_NTFY_LIP_LINK_REINIT 0x000F 724 #define IMM_NTFY_IOCB_OVERFLOW 0x0016 725 #define IMM_NTFY_ABORT_TASK 0x0020 726 #define IMM_NTFY_PORT_LOGOUT 0x0029 727 #define IMM_NTFY_PORT_CONFIG 0x002A 728 #define IMM_NTFY_GLBL_TPRLO 0x002D 729 #define IMM_NTFY_GLBL_LOGO 0x002E 730 #define IMM_NTFY_RESOURCE 0x0034 731 #define IMM_NTFY_MSG_RX 0x0036 732 #define IMM_NTFY_SRR 0x0045 733 #define IMM_NTFY_ELS 0x0046 734 735 /* Immediate notify task flags */ 736 #define IMM_NTFY_TASK_MGMT_SHIFT 8 737 738 #define QLA_TGT_CLEAR_ACA 0x40 739 #define QLA_TGT_TARGET_RESET 0x20 740 #define QLA_TGT_LUN_RESET 0x10 741 #define QLA_TGT_CLEAR_TS 0x04 742 #define QLA_TGT_ABORT_TS 0x02 743 #define QLA_TGT_ABORT_ALL_SESS 0xFFFF 744 #define QLA_TGT_ABORT_ALL 0xFFFE 745 #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD 746 #define QLA_TGT_NEXUS_LOSS 0xFFFC 747 #define QLA_TGT_ABTS 0xFFFB 748 #define QLA_TGT_2G_ABORT_TASK 0xFFFA 749 750 /* Notify Acknowledge flags */ 751 #define NOTIFY_ACK_RES_COUNT BIT_8 752 #define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5 753 #define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4 754 755 /* Command's states */ 756 #define QLA_TGT_STATE_NEW 0 /* New command + target processing */ 757 #define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */ 758 #define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */ 759 #define QLA_TGT_STATE_PROCESSED 3 /* target done processing */ 760 #define QLA_TGT_STATE_DONE 4 /* cmd being freed */ 761 762 /* ATIO task_codes field */ 763 #define ATIO_SIMPLE_QUEUE 0 764 #define ATIO_HEAD_OF_QUEUE 1 765 #define ATIO_ORDERED_QUEUE 2 766 #define ATIO_ACA_QUEUE 4 767 #define ATIO_UNTAGGED 5 768 769 /* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */ 770 #define FC_TM_SUCCESS 0 771 #define FC_TM_BAD_FCP_DATA 1 772 #define FC_TM_BAD_CMD 2 773 #define FC_TM_FCP_DATA_MISMATCH 3 774 #define FC_TM_REJECT 4 775 #define FC_TM_FAILED 5 776 777 #define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \ 778 (((const uint8_t *)(sense))[0] & 0x70) == 0x70) 779 780 struct qla_port_24xx_data { 781 uint8_t port_name[WWN_SIZE]; 782 uint16_t loop_id; 783 uint16_t reserved; 784 }; 785 786 struct qla_qpair_hint { 787 struct list_head hint_elem; 788 struct qla_qpair *qpair; 789 u16 cpuid; 790 uint8_t cmd_cnt; 791 }; 792 793 struct qla_tgt { 794 struct scsi_qla_host *vha; 795 struct qla_hw_data *ha; 796 struct btree_head64 lun_qpair_map; 797 struct qla_qpair_hint *qphints; 798 /* 799 * To sync between IRQ handlers and qlt_target_release(). Needed, 800 * because req_pkt() can drop/reaquire HW lock inside. Protected by 801 * HW lock. 802 */ 803 int atio_irq_cmd_count; 804 805 int sg_tablesize; 806 807 /* Target's flags, serialized by pha->hardware_lock */ 808 unsigned int link_reinit_iocb_pending:1; 809 810 /* 811 * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex 812 * OR hardware_lock for reading. 813 */ 814 int tgt_stop; /* the target mode driver is being stopped */ 815 int tgt_stopped; /* the target mode driver has been stopped */ 816 817 /* Count of sessions refering qla_tgt. Protected by hardware_lock. */ 818 int sess_count; 819 820 spinlock_t sess_work_lock; 821 struct list_head sess_works_list; 822 struct work_struct sess_work; 823 824 struct imm_ntfy_from_isp link_reinit_iocb; 825 wait_queue_head_t waitQ; 826 int notify_ack_expected; 827 int abts_resp_expected; 828 int modify_lun_expected; 829 830 spinlock_t srr_lock; 831 struct list_head srr_list; 832 struct work_struct srr_work; 833 834 atomic_t tgt_global_resets_count; 835 836 struct list_head tgt_list_entry; 837 }; 838 839 struct qla_tgt_sess_op { 840 struct scsi_qla_host *vha; 841 uint32_t chip_reset; 842 struct work_struct work; 843 struct list_head cmd_list; 844 bool aborted; 845 struct rsp_que *rsp; 846 847 struct atio_from_isp atio; 848 /* DO NOT ADD ANYTHING ELSE HERE - atio must be last member */ 849 }; 850 851 enum trace_flags { 852 TRC_NEW_CMD = BIT_0, 853 TRC_DO_WORK = BIT_1, 854 TRC_DO_WORK_ERR = BIT_2, 855 TRC_XFR_RDY = BIT_3, 856 TRC_XMIT_DATA = BIT_4, 857 TRC_XMIT_STATUS = BIT_5, 858 TRC_SRR_RSP = BIT_6, 859 TRC_SRR_XRDY = BIT_7, 860 TRC_SRR_TERM = BIT_8, 861 TRC_SRR_CTIO = BIT_9, 862 TRC_FLUSH = BIT_10, 863 TRC_CTIO_ERR = BIT_11, 864 TRC_CTIO_DONE = BIT_12, 865 TRC_CTIO_ABORTED = BIT_13, 866 TRC_CTIO_STRANGE = BIT_14, 867 TRC_CMD_DONE = BIT_15, 868 TRC_CMD_CHK_STOP = BIT_16, 869 TRC_CMD_FREE = BIT_17, 870 TRC_DATA_IN = BIT_18, 871 TRC_ABORT = BIT_19, 872 TRC_DIF_ERR = BIT_20, 873 TRC_SRR_IMM = BIT_21, 874 }; 875 876 struct qla_tgt_cmd { 877 /* 878 * Do not move cmd_type field. it needs to line up with srb->cmd_type 879 */ 880 uint8_t cmd_type; 881 uint8_t pad[7]; 882 struct se_cmd se_cmd; 883 struct list_head sess_cmd_list; 884 struct fc_port *sess; 885 struct qla_qpair *qpair; 886 uint32_t reset_count; 887 int state; 888 struct work_struct work; 889 /* Sense buffer that will be mapped into outgoing status */ 890 unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER]; 891 892 unsigned int conf_compl_supported:1; 893 unsigned int sg_mapped:1; 894 895 /* Call qlt_free_sg() if set. */ 896 unsigned int free_sg:1; 897 898 unsigned int write_data_transferred:1; 899 900 /* Set if the SCSI status was sent successfully. */ 901 unsigned int rsp_sent:1; 902 903 unsigned int q_full:1; 904 unsigned int term_exchg:1; 905 unsigned int cmd_sent_to_fw:1; 906 unsigned int cmd_in_wq:1; 907 unsigned int edif:1; 908 909 /* Set if a SRR was rejected. */ 910 unsigned int srr_failed:1; 911 912 /* Set if the exchange has been terminated. */ 913 unsigned int sent_term_exchg:1; 914 915 /* 916 * Set if sent_term_exchg is set, or if the cmd was aborted by a TMR, 917 * or if some other error prevents normal processing of the command. 918 */ 919 unsigned int aborted:1; 920 921 struct qla_tgt_srr *srr; 922 struct scatterlist *sg; /* cmd data buffer SG vector */ 923 int sg_cnt; /* SG segments count */ 924 int bufflen; /* cmd buffer length */ 925 int offset; 926 u64 unpacked_lun; 927 enum dma_data_direction dma_data_direction; 928 929 uint16_t ctio_flags; 930 uint16_t vp_idx; 931 uint16_t loop_id; /* to save extra sess dereferences */ 932 struct qla_tgt *tgt; /* to save extra sess dereferences */ 933 struct scsi_qla_host *vha; 934 struct list_head cmd_list; 935 936 struct atio_from_isp atio; 937 938 uint8_t ctx_dsd_alloced; 939 940 /* T10-DIF */ 941 #define DIF_ERR_NONE 0 942 #define DIF_ERR_GRD 1 943 #define DIF_ERR_REF 2 944 #define DIF_ERR_APP 3 945 int8_t dif_err_code; 946 struct scatterlist *prot_sg; 947 uint32_t prot_sg_cnt; 948 uint32_t blk_sz, num_blks; 949 uint8_t scsi_status, sense_key, asc, ascq; 950 951 struct crc_context *ctx; 952 uint8_t *cdb; 953 uint64_t lba; 954 int cdb_len; 955 uint16_t a_guard, e_guard, a_app_tag, e_app_tag; 956 uint32_t a_ref_tag, e_ref_tag; 957 #define DIF_BUNDL_DMA_VALID 1 958 uint16_t prot_flags; 959 960 unsigned long jiffies_at_term_exchg; 961 962 /* 963 * jiffies64 when qlt_rdy_to_xfer() or qlt_xmit_response() first 964 * called, or 0 when not in those states. Used to limit the number of 965 * SRR retries. 966 */ 967 uint64_t jiffies_at_hw_st_entry; 968 969 uint64_t jiffies_at_alloc; 970 uint64_t jiffies_at_free; 971 972 enum trace_flags trc_flags; 973 }; 974 975 struct qla_tgt_sess_work_param { 976 struct list_head sess_works_list_entry; 977 978 #define QLA_TGT_SESS_WORK_ABORT 1 979 int type; 980 981 union { 982 struct abts_recv_from_24xx abts; 983 struct imm_ntfy_from_isp tm_iocb; 984 struct atio_from_isp tm_iocb2; 985 }; 986 }; 987 988 struct qla_tgt_mgmt_cmd { 989 uint8_t cmd_type; 990 uint8_t pad[3]; 991 uint16_t tmr_func; 992 uint8_t fc_tm_rsp; 993 uint8_t abort_io_attr; 994 struct fc_port *sess; 995 struct qla_qpair *qpair; 996 struct scsi_qla_host *vha; 997 struct se_cmd se_cmd; 998 struct work_struct free_work; 999 unsigned int flags; 1000 #define QLA24XX_MGMT_SEND_NACK BIT_0 1001 #define QLA24XX_MGMT_ABORT_IO_ATTR_VALID BIT_1 1002 #define QLA24XX_MGMT_LLD_OWNED BIT_2 1003 uint32_t reset_count; 1004 struct work_struct work; 1005 uint64_t unpacked_lun; 1006 union { 1007 struct atio_from_isp atio; 1008 struct imm_ntfy_from_isp imm_ntfy; 1009 struct abts_recv_from_24xx abts; 1010 } __packed orig_iocb; 1011 }; 1012 1013 struct qla_tgt_prm { 1014 struct qla_tgt_cmd *cmd; 1015 struct qla_tgt *tgt; 1016 void *pkt; 1017 struct scatterlist *sg; /* cmd data buffer SG vector */ 1018 unsigned char *sense_buffer; 1019 int seg_cnt; 1020 int req_cnt; 1021 uint16_t rq_result; 1022 int sense_buffer_len; 1023 int residual; 1024 int add_status_pkt; 1025 /* dif */ 1026 struct scatterlist *prot_sg; 1027 uint16_t prot_seg_cnt; 1028 uint16_t tot_dsds; 1029 }; 1030 1031 /* 1032 * SRR (Sequence Retransmission Request) - resend or re-receive some or all 1033 * data or status to recover from a transient I/O error. 1034 */ 1035 struct qla_tgt_srr { 1036 /* 1037 * Copy of immediate notify SRR message received from hw; valid only if 1038 * imm_ntfy_recvd is true. 1039 */ 1040 struct imm_ntfy_from_isp imm_ntfy; 1041 1042 struct list_head srr_list_entry; 1043 1044 /* The command affected by this SRR, or NULL if not yet determined. */ 1045 struct qla_tgt_cmd *cmd; 1046 1047 /* Used to detect if the HBA has been reset since receiving the SRR. */ 1048 uint32_t reset_count; 1049 1050 /* 1051 * The hardware sends two messages for each SRR - an immediate notify 1052 * and a CTIO with CTIO_SRR_RECEIVED status. These keep track of which 1053 * messages have been received. The SRR can be processed once both of 1054 * these are true. 1055 */ 1056 bool imm_ntfy_recvd; 1057 bool ctio_recvd; 1058 1059 /* 1060 * This is set to true if the affected command was aborted (cmd may be 1061 * set to NULL), in which case the immediate notify exchange also needs 1062 * to be aborted. 1063 */ 1064 bool aborted; 1065 1066 /* This is set to true to force the SRR to be rejected. */ 1067 bool reject; 1068 }; 1069 1070 /* Check for Switch reserved address */ 1071 #define IS_SW_RESV_ADDR(_s_id) \ 1072 ((_s_id.b.domain == 0xff) && ((_s_id.b.area & 0xf0) == 0xf0)) 1073 1074 #define QLA_TGT_XMIT_DATA 1 1075 #define QLA_TGT_XMIT_STATUS 2 1076 #define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA) 1077 1078 1079 extern struct qla_tgt_data qla_target; 1080 1081 /* 1082 * Function prototypes for qla_target.c logic used by qla2xxx LLD code. 1083 */ 1084 extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *); 1085 extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *); 1086 extern int qlt_lport_register(void *, u64, u64, u64, 1087 int (*callback)(struct scsi_qla_host *, void *, u64, u64)); 1088 extern void qlt_lport_deregister(struct scsi_qla_host *); 1089 extern void qlt_unreg_sess(struct fc_port *); 1090 extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *); 1091 extern int __init qlt_init(void); 1092 extern void qlt_exit(void); 1093 extern void qlt_free_session_done(struct work_struct *); 1094 /* 1095 * This macro is used during early initializations when host->active_mode 1096 * is not set. Right now, ha value is ignored. 1097 */ 1098 #define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED) 1099 1100 extern int ql2x_ini_mode; 1101 1102 static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha) 1103 { 1104 return ha->host->active_mode == MODE_TARGET; 1105 } 1106 1107 static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha) 1108 { 1109 return ha->host->active_mode == MODE_INITIATOR; 1110 } 1111 1112 static inline bool qla_dual_mode_enabled(struct scsi_qla_host *ha) 1113 { 1114 return (ha->host->active_mode == MODE_DUAL); 1115 } 1116 1117 static inline uint32_t sid_to_key(const be_id_t s_id) 1118 { 1119 return s_id.domain << 16 | 1120 s_id.area << 8 | 1121 s_id.al_pa; 1122 } 1123 1124 /* 1125 * Free the scatterlist allocated by qlt_set_data_offset(). Call this only if 1126 * cmd->free_sg is set. 1127 */ 1128 static inline void qlt_free_sg(struct qla_tgt_cmd *cmd) 1129 { 1130 /* 1131 * The scatterlist may be chained to the original scatterlist, but we 1132 * only need to free the first segment here since that is the only part 1133 * allocated by qlt_set_data_offset(). 1134 */ 1135 kfree(cmd->sg); 1136 } 1137 1138 /* 1139 * Exported symbols from qla_target.c LLD logic used by qla2xxx code.. 1140 */ 1141 extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, struct rsp_que *, 1142 response_t *); 1143 extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *); 1144 extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t); 1145 extern int qlt_abort_cmd(struct qla_tgt_cmd *); 1146 void qlt_srr_abort(struct qla_tgt_cmd *cmd, bool reject); 1147 void qlt_send_term_exchange(struct qla_qpair *qpair, 1148 struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked); 1149 extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *); 1150 void qlt_free_ul_mcmd(struct qla_hw_data *ha, struct qla_tgt_mgmt_cmd *mcmd); 1151 extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *); 1152 extern void qlt_free_cmd(struct qla_tgt_cmd *cmd); 1153 extern void qlt_unmap_sg(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd); 1154 extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *); 1155 extern void qlt_enable_vha(struct scsi_qla_host *); 1156 extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *); 1157 extern u8 qlt_rff_id(struct scsi_qla_host *); 1158 extern void qlt_init_atio_q_entries(struct scsi_qla_host *); 1159 extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *, uint8_t); 1160 extern void qlt_24xx_config_rings(struct scsi_qla_host *); 1161 extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *, 1162 struct nvram_24xx *); 1163 extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *, 1164 struct init_cb_24xx *); 1165 extern void qlt_81xx_config_nvram_stage2(struct scsi_qla_host *, 1166 struct init_cb_81xx *); 1167 extern void qlt_81xx_config_nvram_stage1(struct scsi_qla_host *, 1168 struct nvram_81xx *); 1169 void qlt_config_nvram_with_fw_version(struct scsi_qla_host *vha); 1170 extern void qlt_modify_vp_config(struct scsi_qla_host *, 1171 struct vp_config_entry_24xx *); 1172 extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *); 1173 extern int qlt_mem_alloc(struct qla_hw_data *); 1174 extern void qlt_mem_free(struct qla_hw_data *); 1175 extern int qlt_stop_phase1(struct qla_tgt *); 1176 extern void qlt_stop_phase2(struct qla_tgt *); 1177 extern irqreturn_t qla83xx_msix_atio_q(int, void *); 1178 extern void qlt_logo_completion_handler(fc_port_t *, int); 1179 extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); 1180 1181 #endif /* __QLA_TARGET_H */ 1182