57xx_iscsi_hsi.h (37601B)
1/* 57xx_iscsi_hsi.h: QLogic NetXtreme II iSCSI HSI. 2 * 3 * Copyright (c) 2006 - 2013 Broadcom Corporation 4 * Copyright (c) 2014, QLogic Corporation 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation. 9 * 10 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com) 11 * Previously Maintained by: Eddie Wai (eddie.wai@broadcom.com) 12 * Maintained by: QLogic-Storage-Upstream@qlogic.com 13 */ 14#ifndef __57XX_ISCSI_HSI_LINUX_LE__ 15#define __57XX_ISCSI_HSI_LINUX_LE__ 16 17/* 18 * iSCSI Async CQE 19 */ 20struct bnx2i_async_msg { 21#if defined(__BIG_ENDIAN) 22 u8 op_code; 23 u8 reserved1; 24 u16 reserved0; 25#elif defined(__LITTLE_ENDIAN) 26 u16 reserved0; 27 u8 reserved1; 28 u8 op_code; 29#endif 30 u32 reserved2; 31 u32 exp_cmd_sn; 32 u32 max_cmd_sn; 33 u32 reserved3[2]; 34#if defined(__BIG_ENDIAN) 35 u16 reserved5; 36 u8 err_code; 37 u8 reserved4; 38#elif defined(__LITTLE_ENDIAN) 39 u8 reserved4; 40 u8 err_code; 41 u16 reserved5; 42#endif 43 u32 reserved6; 44 u32 lun[2]; 45#if defined(__BIG_ENDIAN) 46 u8 async_event; 47 u8 async_vcode; 48 u16 param1; 49#elif defined(__LITTLE_ENDIAN) 50 u16 param1; 51 u8 async_vcode; 52 u8 async_event; 53#endif 54#if defined(__BIG_ENDIAN) 55 u16 param2; 56 u16 param3; 57#elif defined(__LITTLE_ENDIAN) 58 u16 param3; 59 u16 param2; 60#endif 61 u32 reserved7[3]; 62 u32 cq_req_sn; 63}; 64 65 66/* 67 * iSCSI Buffer Descriptor (BD) 68 */ 69struct iscsi_bd { 70 u32 buffer_addr_hi; 71 u32 buffer_addr_lo; 72#if defined(__BIG_ENDIAN) 73 u16 reserved0; 74 u16 buffer_length; 75#elif defined(__LITTLE_ENDIAN) 76 u16 buffer_length; 77 u16 reserved0; 78#endif 79#if defined(__BIG_ENDIAN) 80 u16 reserved3; 81 u16 flags; 82#define ISCSI_BD_RESERVED1 (0x3F<<0) 83#define ISCSI_BD_RESERVED1_SHIFT 0 84#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6) 85#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6 86#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7) 87#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7 88#define ISCSI_BD_RESERVED2 (0xFF<<8) 89#define ISCSI_BD_RESERVED2_SHIFT 8 90#elif defined(__LITTLE_ENDIAN) 91 u16 flags; 92#define ISCSI_BD_RESERVED1 (0x3F<<0) 93#define ISCSI_BD_RESERVED1_SHIFT 0 94#define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6) 95#define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6 96#define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7) 97#define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7 98#define ISCSI_BD_RESERVED2 (0xFF<<8) 99#define ISCSI_BD_RESERVED2_SHIFT 8 100 u16 reserved3; 101#endif 102}; 103 104 105/* 106 * iSCSI Cleanup SQ WQE 107 */ 108struct bnx2i_cleanup_request { 109#if defined(__BIG_ENDIAN) 110 u8 op_code; 111 u8 reserved1; 112 u16 reserved0; 113#elif defined(__LITTLE_ENDIAN) 114 u16 reserved0; 115 u8 reserved1; 116 u8 op_code; 117#endif 118 u32 reserved2[3]; 119#if defined(__BIG_ENDIAN) 120 u16 reserved3; 121 u16 itt; 122#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0) 123#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0 124#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14) 125#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14 126#elif defined(__LITTLE_ENDIAN) 127 u16 itt; 128#define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0) 129#define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0 130#define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14) 131#define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14 132 u16 reserved3; 133#endif 134 u32 reserved4[10]; 135#if defined(__BIG_ENDIAN) 136 u8 cq_index; 137 u8 reserved6; 138 u16 reserved5; 139#elif defined(__LITTLE_ENDIAN) 140 u16 reserved5; 141 u8 reserved6; 142 u8 cq_index; 143#endif 144}; 145 146 147/* 148 * iSCSI Cleanup CQE 149 */ 150struct bnx2i_cleanup_response { 151#if defined(__BIG_ENDIAN) 152 u8 op_code; 153 u8 status; 154 u16 reserved0; 155#elif defined(__LITTLE_ENDIAN) 156 u16 reserved0; 157 u8 status; 158 u8 op_code; 159#endif 160 u32 reserved1[3]; 161 u32 reserved2[2]; 162#if defined(__BIG_ENDIAN) 163 u16 reserved4; 164 u8 err_code; 165 u8 reserved3; 166#elif defined(__LITTLE_ENDIAN) 167 u8 reserved3; 168 u8 err_code; 169 u16 reserved4; 170#endif 171 u32 reserved5[7]; 172#if defined(__BIG_ENDIAN) 173 u16 reserved6; 174 u16 itt; 175#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0) 176#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0 177#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14) 178#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14 179#elif defined(__LITTLE_ENDIAN) 180 u16 itt; 181#define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0) 182#define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0 183#define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14) 184#define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14 185 u16 reserved6; 186#endif 187 u32 cq_req_sn; 188}; 189 190 191/* 192 * SCSI read/write SQ WQE 193 */ 194struct bnx2i_cmd_request { 195#if defined(__BIG_ENDIAN) 196 u8 op_code; 197 u8 op_attr; 198#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0) 199#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0 200#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3) 201#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3 202#define ISCSI_CMD_REQUEST_WRITE (0x1<<5) 203#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5 204#define ISCSI_CMD_REQUEST_READ (0x1<<6) 205#define ISCSI_CMD_REQUEST_READ_SHIFT 6 206#define ISCSI_CMD_REQUEST_FINAL (0x1<<7) 207#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7 208 u16 reserved0; 209#elif defined(__LITTLE_ENDIAN) 210 u16 reserved0; 211 u8 op_attr; 212#define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0) 213#define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0 214#define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3) 215#define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3 216#define ISCSI_CMD_REQUEST_WRITE (0x1<<5) 217#define ISCSI_CMD_REQUEST_WRITE_SHIFT 5 218#define ISCSI_CMD_REQUEST_READ (0x1<<6) 219#define ISCSI_CMD_REQUEST_READ_SHIFT 6 220#define ISCSI_CMD_REQUEST_FINAL (0x1<<7) 221#define ISCSI_CMD_REQUEST_FINAL_SHIFT 7 222 u8 op_code; 223#endif 224#if defined(__BIG_ENDIAN) 225 u16 ud_buffer_offset; 226 u16 sd_buffer_offset; 227#elif defined(__LITTLE_ENDIAN) 228 u16 sd_buffer_offset; 229 u16 ud_buffer_offset; 230#endif 231 u32 lun[2]; 232#if defined(__BIG_ENDIAN) 233 u16 reserved2; 234 u16 itt; 235#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0) 236#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0 237#define ISCSI_CMD_REQUEST_TYPE (0x3<<14) 238#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14 239#elif defined(__LITTLE_ENDIAN) 240 u16 itt; 241#define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0) 242#define ISCSI_CMD_REQUEST_INDEX_SHIFT 0 243#define ISCSI_CMD_REQUEST_TYPE (0x3<<14) 244#define ISCSI_CMD_REQUEST_TYPE_SHIFT 14 245 u16 reserved2; 246#endif 247 u32 total_data_transfer_length; 248 u32 cmd_sn; 249 u32 reserved3; 250 u32 cdb[4]; 251 u32 zero_fill; 252 u32 bd_list_addr_lo; 253 u32 bd_list_addr_hi; 254#if defined(__BIG_ENDIAN) 255 u8 cq_index; 256 u8 sd_start_bd_index; 257 u8 ud_start_bd_index; 258 u8 num_bds; 259#elif defined(__LITTLE_ENDIAN) 260 u8 num_bds; 261 u8 ud_start_bd_index; 262 u8 sd_start_bd_index; 263 u8 cq_index; 264#endif 265}; 266 267 268/* 269 * task statistics for write response 270 */ 271struct bnx2i_write_resp_task_stat { 272#if defined(__BIG_ENDIAN) 273 u16 num_r2ts; 274 u16 num_data_outs; 275#elif defined(__LITTLE_ENDIAN) 276 u16 num_data_outs; 277 u16 num_r2ts; 278#endif 279}; 280 281/* 282 * task statistics for read response 283 */ 284struct bnx2i_read_resp_task_stat { 285#if defined(__BIG_ENDIAN) 286 u16 reserved; 287 u16 num_data_ins; 288#elif defined(__LITTLE_ENDIAN) 289 u16 num_data_ins; 290 u16 reserved; 291#endif 292}; 293 294/* 295 * task statistics for iSCSI cmd response 296 */ 297union bnx2i_cmd_resp_task_stat { 298 struct bnx2i_write_resp_task_stat write_stat; 299 struct bnx2i_read_resp_task_stat read_stat; 300}; 301 302/* 303 * SCSI Command CQE 304 */ 305struct bnx2i_cmd_response { 306#if defined(__BIG_ENDIAN) 307 u8 op_code; 308 u8 response_flags; 309#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0) 310#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0 311#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1) 312#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1 313#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2) 314#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2 315#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3) 316#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3 317#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4) 318#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4 319#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5) 320#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5 321 u8 response; 322 u8 status; 323#elif defined(__LITTLE_ENDIAN) 324 u8 status; 325 u8 response; 326 u8 response_flags; 327#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0) 328#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0 329#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1) 330#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1 331#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2) 332#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2 333#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3) 334#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3 335#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4) 336#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4 337#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5) 338#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5 339 u8 op_code; 340#endif 341 u32 data_length; 342 u32 exp_cmd_sn; 343 u32 max_cmd_sn; 344 u32 reserved2; 345 u32 residual_count; 346#if defined(__BIG_ENDIAN) 347 u16 reserved4; 348 u8 err_code; 349 u8 reserved3; 350#elif defined(__LITTLE_ENDIAN) 351 u8 reserved3; 352 u8 err_code; 353 u16 reserved4; 354#endif 355 u32 reserved5[5]; 356 union bnx2i_cmd_resp_task_stat task_stat; 357 u32 reserved6; 358#if defined(__BIG_ENDIAN) 359 u16 reserved7; 360 u16 itt; 361#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0) 362#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0 363#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14) 364#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14 365#elif defined(__LITTLE_ENDIAN) 366 u16 itt; 367#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0) 368#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0 369#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14) 370#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14 371 u16 reserved7; 372#endif 373 u32 cq_req_sn; 374}; 375 376 377 378/* 379 * firmware middle-path request SQ WQE 380 */ 381struct bnx2i_fw_mp_request { 382#if defined(__BIG_ENDIAN) 383 u8 op_code; 384 u8 op_attr; 385 u16 hdr_opaque1; 386#elif defined(__LITTLE_ENDIAN) 387 u16 hdr_opaque1; 388 u8 op_attr; 389 u8 op_code; 390#endif 391 u32 data_length; 392 u32 hdr_opaque2[2]; 393#if defined(__BIG_ENDIAN) 394 u16 reserved0; 395 u16 itt; 396#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0) 397#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0 398#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14) 399#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14 400#elif defined(__LITTLE_ENDIAN) 401 u16 itt; 402#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0) 403#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0 404#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14) 405#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14 406 u16 reserved0; 407#endif 408 u32 hdr_opaque3[4]; 409 u32 resp_bd_list_addr_lo; 410 u32 resp_bd_list_addr_hi; 411 u32 resp_buffer; 412#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0) 413#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0 414#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24) 415#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24 416#if defined(__BIG_ENDIAN) 417 u16 reserved4; 418 u8 reserved3; 419 u8 flags; 420#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0) 421#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0 422#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1) 423#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1 424#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2) 425#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2 426#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3) 427#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3 428#elif defined(__LITTLE_ENDIAN) 429 u8 flags; 430#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0) 431#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0 432#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1) 433#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1 434#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2) 435#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2 436#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3) 437#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3 438 u8 reserved3; 439 u16 reserved4; 440#endif 441 u32 bd_list_addr_lo; 442 u32 bd_list_addr_hi; 443#if defined(__BIG_ENDIAN) 444 u8 cq_index; 445 u8 reserved6; 446 u8 reserved5; 447 u8 num_bds; 448#elif defined(__LITTLE_ENDIAN) 449 u8 num_bds; 450 u8 reserved5; 451 u8 reserved6; 452 u8 cq_index; 453#endif 454}; 455 456 457/* 458 * firmware response - CQE: used only by firmware 459 */ 460struct bnx2i_fw_response { 461 u32 hdr_dword1[2]; 462 u32 hdr_exp_cmd_sn; 463 u32 hdr_max_cmd_sn; 464 u32 hdr_ttt; 465 u32 hdr_res_cnt; 466 u32 cqe_flags; 467#define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0) 468#define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0 469#define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8) 470#define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8 471#define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16) 472#define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16 473 u32 stat_sn; 474 u32 hdr_dword2[2]; 475 u32 hdr_dword3[2]; 476 u32 task_stat; 477 u32 reserved0; 478 u32 hdr_itt; 479 u32 cq_req_sn; 480}; 481 482 483/* 484 * iSCSI KCQ CQE parameters 485 */ 486union iscsi_kcqe_params { 487 u32 reserved0[4]; 488}; 489 490/* 491 * iSCSI KCQ CQE 492 */ 493struct iscsi_kcqe { 494 u32 iscsi_conn_id; 495 u32 completion_status; 496 u32 iscsi_conn_context_id; 497 union iscsi_kcqe_params params; 498#if defined(__BIG_ENDIAN) 499 u8 flags; 500#define ISCSI_KCQE_RESERVED0 (0xF<<0) 501#define ISCSI_KCQE_RESERVED0_SHIFT 0 502#define ISCSI_KCQE_LAYER_CODE (0x7<<4) 503#define ISCSI_KCQE_LAYER_CODE_SHIFT 4 504#define ISCSI_KCQE_RESERVED1 (0x1<<7) 505#define ISCSI_KCQE_RESERVED1_SHIFT 7 506 u8 op_code; 507 u16 qe_self_seq; 508#elif defined(__LITTLE_ENDIAN) 509 u16 qe_self_seq; 510 u8 op_code; 511 u8 flags; 512#define ISCSI_KCQE_RESERVED0 (0xF<<0) 513#define ISCSI_KCQE_RESERVED0_SHIFT 0 514#define ISCSI_KCQE_LAYER_CODE (0x7<<4) 515#define ISCSI_KCQE_LAYER_CODE_SHIFT 4 516#define ISCSI_KCQE_RESERVED1 (0x1<<7) 517#define ISCSI_KCQE_RESERVED1_SHIFT 7 518#endif 519}; 520 521 522 523/* 524 * iSCSI KWQE header 525 */ 526struct iscsi_kwqe_header { 527#if defined(__BIG_ENDIAN) 528 u8 flags; 529#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0) 530#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0 531#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4) 532#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4 533#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7) 534#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7 535 u8 op_code; 536#elif defined(__LITTLE_ENDIAN) 537 u8 op_code; 538 u8 flags; 539#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0) 540#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0 541#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4) 542#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4 543#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7) 544#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7 545#endif 546}; 547 548/* 549 * iSCSI firmware init request 1 550 */ 551struct iscsi_kwqe_init1 { 552#if defined(__BIG_ENDIAN) 553 struct iscsi_kwqe_header hdr; 554 u8 reserved0; 555 u8 num_cqs; 556#elif defined(__LITTLE_ENDIAN) 557 u8 num_cqs; 558 u8 reserved0; 559 struct iscsi_kwqe_header hdr; 560#endif 561 u32 dummy_buffer_addr_lo; 562 u32 dummy_buffer_addr_hi; 563#if defined(__BIG_ENDIAN) 564 u16 num_ccells_per_conn; 565 u16 num_tasks_per_conn; 566#elif defined(__LITTLE_ENDIAN) 567 u16 num_tasks_per_conn; 568 u16 num_ccells_per_conn; 569#endif 570#if defined(__BIG_ENDIAN) 571 u16 sq_wqes_per_page; 572 u16 sq_num_wqes; 573#elif defined(__LITTLE_ENDIAN) 574 u16 sq_num_wqes; 575 u16 sq_wqes_per_page; 576#endif 577#if defined(__BIG_ENDIAN) 578 u8 cq_log_wqes_per_page; 579 u8 flags; 580#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0) 581#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0 582#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4) 583#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4 584#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5) 585#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5 586#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE (0x1<<6) 587#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE_SHIFT 6 588#define ISCSI_KWQE_INIT1_RESERVED1 (0x1<<7) 589#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 7 590 u16 cq_num_wqes; 591#elif defined(__LITTLE_ENDIAN) 592 u16 cq_num_wqes; 593 u8 flags; 594#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0) 595#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0 596#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4) 597#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4 598#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5) 599#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5 600#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE (0x1<<6) 601#define ISCSI_KWQE_INIT1_TIME_STAMPS_ENABLE_SHIFT 6 602#define ISCSI_KWQE_INIT1_RESERVED1 (0x1<<7) 603#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 7 604 u8 cq_log_wqes_per_page; 605#endif 606#if defined(__BIG_ENDIAN) 607 u16 cq_num_pages; 608 u16 sq_num_pages; 609#elif defined(__LITTLE_ENDIAN) 610 u16 sq_num_pages; 611 u16 cq_num_pages; 612#endif 613#if defined(__BIG_ENDIAN) 614 u16 rq_buffer_size; 615 u16 rq_num_wqes; 616#elif defined(__LITTLE_ENDIAN) 617 u16 rq_num_wqes; 618 u16 rq_buffer_size; 619#endif 620}; 621 622/* 623 * iSCSI firmware init request 2 624 */ 625struct iscsi_kwqe_init2 { 626#if defined(__BIG_ENDIAN) 627 struct iscsi_kwqe_header hdr; 628 u16 max_cq_sqn; 629#elif defined(__LITTLE_ENDIAN) 630 u16 max_cq_sqn; 631 struct iscsi_kwqe_header hdr; 632#endif 633 u32 error_bit_map[2]; 634 u32 reserved1[5]; 635}; 636 637/* 638 * Initial iSCSI connection offload request 1 639 */ 640struct iscsi_kwqe_conn_offload1 { 641#if defined(__BIG_ENDIAN) 642 struct iscsi_kwqe_header hdr; 643 u16 iscsi_conn_id; 644#elif defined(__LITTLE_ENDIAN) 645 u16 iscsi_conn_id; 646 struct iscsi_kwqe_header hdr; 647#endif 648 u32 sq_page_table_addr_lo; 649 u32 sq_page_table_addr_hi; 650 u32 cq_page_table_addr_lo; 651 u32 cq_page_table_addr_hi; 652 u32 reserved0[3]; 653}; 654 655/* 656 * iSCSI Page Table Entry (PTE) 657 */ 658struct iscsi_pte { 659 u32 hi; 660 u32 lo; 661}; 662 663/* 664 * Initial iSCSI connection offload request 2 665 */ 666struct iscsi_kwqe_conn_offload2 { 667#if defined(__BIG_ENDIAN) 668 struct iscsi_kwqe_header hdr; 669 u16 reserved0; 670#elif defined(__LITTLE_ENDIAN) 671 u16 reserved0; 672 struct iscsi_kwqe_header hdr; 673#endif 674 u32 rq_page_table_addr_lo; 675 u32 rq_page_table_addr_hi; 676 struct iscsi_pte sq_first_pte; 677 struct iscsi_pte cq_first_pte; 678 u32 num_additional_wqes; 679}; 680 681 682/* 683 * Initial iSCSI connection offload request 3 684 */ 685struct iscsi_kwqe_conn_offload3 { 686#if defined(__BIG_ENDIAN) 687 struct iscsi_kwqe_header hdr; 688 u16 reserved0; 689#elif defined(__LITTLE_ENDIAN) 690 u16 reserved0; 691 struct iscsi_kwqe_header hdr; 692#endif 693 u32 reserved1; 694 struct iscsi_pte qp_first_pte[3]; 695}; 696 697 698/* 699 * iSCSI connection update request 700 */ 701struct iscsi_kwqe_conn_update { 702#if defined(__BIG_ENDIAN) 703 struct iscsi_kwqe_header hdr; 704 u16 reserved0; 705#elif defined(__LITTLE_ENDIAN) 706 u16 reserved0; 707 struct iscsi_kwqe_header hdr; 708#endif 709#if defined(__BIG_ENDIAN) 710 u8 session_error_recovery_level; 711 u8 max_outstanding_r2ts; 712 u8 reserved2; 713 u8 conn_flags; 714#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0) 715#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0 716#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1) 717#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1 718#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2) 719#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2 720#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3) 721#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3 722#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4) 723#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4 724#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6) 725#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6 726#elif defined(__LITTLE_ENDIAN) 727 u8 conn_flags; 728#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0) 729#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0 730#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1) 731#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1 732#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2) 733#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2 734#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3) 735#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3 736#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4) 737#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4 738#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6) 739#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6 740 u8 reserved2; 741 u8 max_outstanding_r2ts; 742 u8 session_error_recovery_level; 743#endif 744 u32 context_id; 745 u32 max_send_pdu_length; 746 u32 max_recv_pdu_length; 747 u32 first_burst_length; 748 u32 max_burst_length; 749 u32 exp_stat_sn; 750}; 751 752/* 753 * iSCSI destroy connection request 754 */ 755struct iscsi_kwqe_conn_destroy { 756#if defined(__BIG_ENDIAN) 757 struct iscsi_kwqe_header hdr; 758 u16 reserved0; 759#elif defined(__LITTLE_ENDIAN) 760 u16 reserved0; 761 struct iscsi_kwqe_header hdr; 762#endif 763 u32 context_id; 764 u32 reserved1[6]; 765}; 766 767/* 768 * iSCSI KWQ WQE 769 */ 770union iscsi_kwqe { 771 struct iscsi_kwqe_init1 init1; 772 struct iscsi_kwqe_init2 init2; 773 struct iscsi_kwqe_conn_offload1 conn_offload1; 774 struct iscsi_kwqe_conn_offload2 conn_offload2; 775 struct iscsi_kwqe_conn_update conn_update; 776 struct iscsi_kwqe_conn_destroy conn_destroy; 777}; 778 779/* 780 * iSCSI Login SQ WQE 781 */ 782struct bnx2i_login_request { 783#if defined(__BIG_ENDIAN) 784 u8 op_code; 785 u8 op_attr; 786#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0) 787#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0 788#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2) 789#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2 790#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4) 791#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4 792#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6) 793#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6 794#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7) 795#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7 796 u8 version_max; 797 u8 version_min; 798#elif defined(__LITTLE_ENDIAN) 799 u8 version_min; 800 u8 version_max; 801 u8 op_attr; 802#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0) 803#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0 804#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2) 805#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2 806#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4) 807#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4 808#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6) 809#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6 810#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7) 811#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7 812 u8 op_code; 813#endif 814 u32 data_length; 815 u32 isid_lo; 816#if defined(__BIG_ENDIAN) 817 u16 isid_hi; 818 u16 tsih; 819#elif defined(__LITTLE_ENDIAN) 820 u16 tsih; 821 u16 isid_hi; 822#endif 823#if defined(__BIG_ENDIAN) 824 u16 reserved2; 825 u16 itt; 826#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0) 827#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0 828#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14) 829#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14 830#elif defined(__LITTLE_ENDIAN) 831 u16 itt; 832#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0) 833#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0 834#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14) 835#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14 836 u16 reserved2; 837#endif 838#if defined(__BIG_ENDIAN) 839 u16 cid; 840 u16 reserved3; 841#elif defined(__LITTLE_ENDIAN) 842 u16 reserved3; 843 u16 cid; 844#endif 845 u32 cmd_sn; 846 u32 exp_stat_sn; 847 u32 reserved4; 848 u32 resp_bd_list_addr_lo; 849 u32 resp_bd_list_addr_hi; 850 u32 resp_buffer; 851#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0) 852#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0 853#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24) 854#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24 855#if defined(__BIG_ENDIAN) 856 u16 reserved8; 857 u8 reserved7; 858 u8 flags; 859#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0) 860#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0 861#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2) 862#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2 863#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3) 864#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3 865#elif defined(__LITTLE_ENDIAN) 866 u8 flags; 867#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0) 868#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0 869#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2) 870#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2 871#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3) 872#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3 873 u8 reserved7; 874 u16 reserved8; 875#endif 876 u32 bd_list_addr_lo; 877 u32 bd_list_addr_hi; 878#if defined(__BIG_ENDIAN) 879 u8 cq_index; 880 u8 reserved10; 881 u8 reserved9; 882 u8 num_bds; 883#elif defined(__LITTLE_ENDIAN) 884 u8 num_bds; 885 u8 reserved9; 886 u8 reserved10; 887 u8 cq_index; 888#endif 889}; 890 891 892/* 893 * iSCSI Login CQE 894 */ 895struct bnx2i_login_response { 896#if defined(__BIG_ENDIAN) 897 u8 op_code; 898 u8 response_flags; 899#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0) 900#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0 901#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2) 902#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2 903#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4) 904#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4 905#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6) 906#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6 907#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7) 908#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7 909 u8 version_max; 910 u8 version_active; 911#elif defined(__LITTLE_ENDIAN) 912 u8 version_active; 913 u8 version_max; 914 u8 response_flags; 915#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0) 916#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0 917#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2) 918#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2 919#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4) 920#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4 921#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6) 922#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6 923#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7) 924#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7 925 u8 op_code; 926#endif 927 u32 data_length; 928 u32 exp_cmd_sn; 929 u32 max_cmd_sn; 930 u32 reserved1[2]; 931#if defined(__BIG_ENDIAN) 932 u16 reserved3; 933 u8 err_code; 934 u8 reserved2; 935#elif defined(__LITTLE_ENDIAN) 936 u8 reserved2; 937 u8 err_code; 938 u16 reserved3; 939#endif 940 u32 stat_sn; 941 u32 isid_lo; 942#if defined(__BIG_ENDIAN) 943 u16 isid_hi; 944 u16 tsih; 945#elif defined(__LITTLE_ENDIAN) 946 u16 tsih; 947 u16 isid_hi; 948#endif 949#if defined(__BIG_ENDIAN) 950 u8 status_class; 951 u8 status_detail; 952 u16 reserved4; 953#elif defined(__LITTLE_ENDIAN) 954 u16 reserved4; 955 u8 status_detail; 956 u8 status_class; 957#endif 958 u32 reserved5[3]; 959#if defined(__BIG_ENDIAN) 960 u16 reserved6; 961 u16 itt; 962#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0) 963#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0 964#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14) 965#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14 966#elif defined(__LITTLE_ENDIAN) 967 u16 itt; 968#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0) 969#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0 970#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14) 971#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14 972 u16 reserved6; 973#endif 974 u32 cq_req_sn; 975}; 976 977 978/* 979 * iSCSI Logout SQ WQE 980 */ 981struct bnx2i_logout_request { 982#if defined(__BIG_ENDIAN) 983 u8 op_code; 984 u8 op_attr; 985#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0) 986#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0 987#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7) 988#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7 989 u16 reserved0; 990#elif defined(__LITTLE_ENDIAN) 991 u16 reserved0; 992 u8 op_attr; 993#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0) 994#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0 995#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7) 996#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7 997 u8 op_code; 998#endif 999 u32 data_length; 1000 u32 reserved1[2]; 1001#if defined(__BIG_ENDIAN) 1002 u16 reserved2; 1003 u16 itt; 1004#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0) 1005#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0 1006#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14) 1007#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14 1008#elif defined(__LITTLE_ENDIAN) 1009 u16 itt; 1010#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0) 1011#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0 1012#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14) 1013#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14 1014 u16 reserved2; 1015#endif 1016#if defined(__BIG_ENDIAN) 1017 u16 cid; 1018 u16 reserved3; 1019#elif defined(__LITTLE_ENDIAN) 1020 u16 reserved3; 1021 u16 cid; 1022#endif 1023 u32 cmd_sn; 1024 u32 reserved4[5]; 1025 u32 zero_fill; 1026 u32 bd_list_addr_lo; 1027 u32 bd_list_addr_hi; 1028#if defined(__BIG_ENDIAN) 1029 u8 cq_index; 1030 u8 reserved6; 1031 u8 reserved5; 1032 u8 num_bds; 1033#elif defined(__LITTLE_ENDIAN) 1034 u8 num_bds; 1035 u8 reserved5; 1036 u8 reserved6; 1037 u8 cq_index; 1038#endif 1039}; 1040 1041 1042/* 1043 * iSCSI Logout CQE 1044 */ 1045struct bnx2i_logout_response { 1046#if defined(__BIG_ENDIAN) 1047 u8 op_code; 1048 u8 reserved1; 1049 u8 response; 1050 u8 reserved0; 1051#elif defined(__LITTLE_ENDIAN) 1052 u8 reserved0; 1053 u8 response; 1054 u8 reserved1; 1055 u8 op_code; 1056#endif 1057 u32 reserved2; 1058 u32 exp_cmd_sn; 1059 u32 max_cmd_sn; 1060 u32 reserved3[2]; 1061#if defined(__BIG_ENDIAN) 1062 u16 reserved5; 1063 u8 err_code; 1064 u8 reserved4; 1065#elif defined(__LITTLE_ENDIAN) 1066 u8 reserved4; 1067 u8 err_code; 1068 u16 reserved5; 1069#endif 1070 u32 reserved6[3]; 1071#if defined(__BIG_ENDIAN) 1072 u16 time_to_wait; 1073 u16 time_to_retain; 1074#elif defined(__LITTLE_ENDIAN) 1075 u16 time_to_retain; 1076 u16 time_to_wait; 1077#endif 1078 u32 reserved7[3]; 1079#if defined(__BIG_ENDIAN) 1080 u16 reserved8; 1081 u16 itt; 1082#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0) 1083#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0 1084#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14) 1085#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14 1086#elif defined(__LITTLE_ENDIAN) 1087 u16 itt; 1088#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0) 1089#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0 1090#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14) 1091#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14 1092 u16 reserved8; 1093#endif 1094 u32 cq_req_sn; 1095}; 1096 1097 1098/* 1099 * iSCSI Nop-In CQE 1100 */ 1101struct bnx2i_nop_in_msg { 1102#if defined(__BIG_ENDIAN) 1103 u8 op_code; 1104 u8 reserved1; 1105 u16 reserved0; 1106#elif defined(__LITTLE_ENDIAN) 1107 u16 reserved0; 1108 u8 reserved1; 1109 u8 op_code; 1110#endif 1111 u32 data_length; 1112 u32 exp_cmd_sn; 1113 u32 max_cmd_sn; 1114 u32 ttt; 1115 u32 reserved2; 1116#if defined(__BIG_ENDIAN) 1117 u16 reserved4; 1118 u8 err_code; 1119 u8 reserved3; 1120#elif defined(__LITTLE_ENDIAN) 1121 u8 reserved3; 1122 u8 err_code; 1123 u16 reserved4; 1124#endif 1125 u32 reserved5; 1126 u32 lun[2]; 1127 u32 reserved6[4]; 1128#if defined(__BIG_ENDIAN) 1129 u16 reserved7; 1130 u16 itt; 1131#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0) 1132#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0 1133#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14) 1134#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14 1135#elif defined(__LITTLE_ENDIAN) 1136 u16 itt; 1137#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0) 1138#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0 1139#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14) 1140#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14 1141 u16 reserved7; 1142#endif 1143 u32 cq_req_sn; 1144}; 1145 1146 1147/* 1148 * iSCSI NOP-OUT SQ WQE 1149 */ 1150struct bnx2i_nop_out_request { 1151#if defined(__BIG_ENDIAN) 1152 u8 op_code; 1153 u8 op_attr; 1154#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0) 1155#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0 1156#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7) 1157#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7 1158 u16 reserved0; 1159#elif defined(__LITTLE_ENDIAN) 1160 u16 reserved0; 1161 u8 op_attr; 1162#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0) 1163#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0 1164#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7) 1165#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7 1166 u8 op_code; 1167#endif 1168 u32 data_length; 1169 u32 lun[2]; 1170#if defined(__BIG_ENDIAN) 1171 u16 reserved2; 1172 u16 itt; 1173#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0) 1174#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0 1175#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14) 1176#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14 1177#elif defined(__LITTLE_ENDIAN) 1178 u16 itt; 1179#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0) 1180#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0 1181#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14) 1182#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14 1183 u16 reserved2; 1184#endif 1185 u32 ttt; 1186 u32 cmd_sn; 1187 u32 reserved3[2]; 1188 u32 resp_bd_list_addr_lo; 1189 u32 resp_bd_list_addr_hi; 1190 u32 resp_buffer; 1191#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0) 1192#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0 1193#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24) 1194#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24 1195#if defined(__BIG_ENDIAN) 1196 u16 reserved7; 1197 u8 reserved6; 1198 u8 flags; 1199#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0) 1200#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0 1201#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1) 1202#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1 1203#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2) 1204#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2 1205#elif defined(__LITTLE_ENDIAN) 1206 u8 flags; 1207#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0) 1208#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0 1209#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1) 1210#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1 1211#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2) 1212#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2 1213 u8 reserved6; 1214 u16 reserved7; 1215#endif 1216 u32 bd_list_addr_lo; 1217 u32 bd_list_addr_hi; 1218#if defined(__BIG_ENDIAN) 1219 u8 cq_index; 1220 u8 reserved9; 1221 u8 reserved8; 1222 u8 num_bds; 1223#elif defined(__LITTLE_ENDIAN) 1224 u8 num_bds; 1225 u8 reserved8; 1226 u8 reserved9; 1227 u8 cq_index; 1228#endif 1229}; 1230 1231/* 1232 * iSCSI Reject CQE 1233 */ 1234struct bnx2i_reject_msg { 1235#if defined(__BIG_ENDIAN) 1236 u8 op_code; 1237 u8 reserved1; 1238 u8 reason; 1239 u8 reserved0; 1240#elif defined(__LITTLE_ENDIAN) 1241 u8 reserved0; 1242 u8 reason; 1243 u8 reserved1; 1244 u8 op_code; 1245#endif 1246 u32 data_length; 1247 u32 exp_cmd_sn; 1248 u32 max_cmd_sn; 1249 u32 reserved2[2]; 1250#if defined(__BIG_ENDIAN) 1251 u16 reserved4; 1252 u8 err_code; 1253 u8 reserved3; 1254#elif defined(__LITTLE_ENDIAN) 1255 u8 reserved3; 1256 u8 err_code; 1257 u16 reserved4; 1258#endif 1259 u32 reserved5[8]; 1260 u32 cq_req_sn; 1261}; 1262 1263/* 1264 * bnx2i iSCSI TMF SQ WQE 1265 */ 1266struct bnx2i_tmf_request { 1267#if defined(__BIG_ENDIAN) 1268 u8 op_code; 1269 u8 op_attr; 1270#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0) 1271#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0 1272#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7) 1273#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7 1274 u16 reserved0; 1275#elif defined(__LITTLE_ENDIAN) 1276 u16 reserved0; 1277 u8 op_attr; 1278#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0) 1279#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0 1280#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7) 1281#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7 1282 u8 op_code; 1283#endif 1284 u32 data_length; 1285 u32 lun[2]; 1286#if defined(__BIG_ENDIAN) 1287 u16 reserved1; 1288 u16 itt; 1289#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0) 1290#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0 1291#define ISCSI_TMF_REQUEST_TYPE (0x3<<14) 1292#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14 1293#elif defined(__LITTLE_ENDIAN) 1294 u16 itt; 1295#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0) 1296#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0 1297#define ISCSI_TMF_REQUEST_TYPE (0x3<<14) 1298#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14 1299 u16 reserved1; 1300#endif 1301 u32 ref_itt; 1302 u32 cmd_sn; 1303 u32 reserved2; 1304 u32 ref_cmd_sn; 1305 u32 reserved3[3]; 1306 u32 zero_fill; 1307 u32 bd_list_addr_lo; 1308 u32 bd_list_addr_hi; 1309#if defined(__BIG_ENDIAN) 1310 u8 cq_index; 1311 u8 reserved5; 1312 u8 reserved4; 1313 u8 num_bds; 1314#elif defined(__LITTLE_ENDIAN) 1315 u8 num_bds; 1316 u8 reserved4; 1317 u8 reserved5; 1318 u8 cq_index; 1319#endif 1320}; 1321 1322/* 1323 * iSCSI Text SQ WQE 1324 */ 1325struct bnx2i_text_request { 1326#if defined(__BIG_ENDIAN) 1327 u8 op_code; 1328 u8 op_attr; 1329#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0) 1330#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0 1331#define ISCSI_TEXT_REQUEST_CONT (0x1<<6) 1332#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6 1333#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7) 1334#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7 1335 u16 reserved0; 1336#elif defined(__LITTLE_ENDIAN) 1337 u16 reserved0; 1338 u8 op_attr; 1339#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0) 1340#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0 1341#define ISCSI_TEXT_REQUEST_CONT (0x1<<6) 1342#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6 1343#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7) 1344#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7 1345 u8 op_code; 1346#endif 1347 u32 data_length; 1348 u32 lun[2]; 1349#if defined(__BIG_ENDIAN) 1350 u16 reserved3; 1351 u16 itt; 1352#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0) 1353#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0 1354#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14) 1355#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14 1356#elif defined(__LITTLE_ENDIAN) 1357 u16 itt; 1358#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0) 1359#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0 1360#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14) 1361#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14 1362 u16 reserved3; 1363#endif 1364 u32 ttt; 1365 u32 cmd_sn; 1366 u32 reserved4[2]; 1367 u32 resp_bd_list_addr_lo; 1368 u32 resp_bd_list_addr_hi; 1369 u32 resp_buffer; 1370#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0) 1371#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0 1372#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24) 1373#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24 1374 u32 zero_fill; 1375 u32 bd_list_addr_lo; 1376 u32 bd_list_addr_hi; 1377#if defined(__BIG_ENDIAN) 1378 u8 cq_index; 1379 u8 reserved7; 1380 u8 reserved6; 1381 u8 num_bds; 1382#elif defined(__LITTLE_ENDIAN) 1383 u8 num_bds; 1384 u8 reserved6; 1385 u8 reserved7; 1386 u8 cq_index; 1387#endif 1388}; 1389 1390/* 1391 * iSCSI SQ WQE 1392 */ 1393union iscsi_request { 1394 struct bnx2i_cmd_request cmd; 1395 struct bnx2i_tmf_request tmf; 1396 struct bnx2i_nop_out_request nop_out; 1397 struct bnx2i_login_request login_req; 1398 struct bnx2i_text_request text; 1399 struct bnx2i_logout_request logout_req; 1400 struct bnx2i_cleanup_request cleanup; 1401}; 1402 1403 1404/* 1405 * iSCSI TMF CQE 1406 */ 1407struct bnx2i_tmf_response { 1408#if defined(__BIG_ENDIAN) 1409 u8 op_code; 1410 u8 reserved1; 1411 u8 response; 1412 u8 reserved0; 1413#elif defined(__LITTLE_ENDIAN) 1414 u8 reserved0; 1415 u8 response; 1416 u8 reserved1; 1417 u8 op_code; 1418#endif 1419 u32 reserved2; 1420 u32 exp_cmd_sn; 1421 u32 max_cmd_sn; 1422 u32 reserved3[2]; 1423#if defined(__BIG_ENDIAN) 1424 u16 reserved5; 1425 u8 err_code; 1426 u8 reserved4; 1427#elif defined(__LITTLE_ENDIAN) 1428 u8 reserved4; 1429 u8 err_code; 1430 u16 reserved5; 1431#endif 1432 u32 reserved6[7]; 1433#if defined(__BIG_ENDIAN) 1434 u16 reserved7; 1435 u16 itt; 1436#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0) 1437#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0 1438#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14) 1439#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14 1440#elif defined(__LITTLE_ENDIAN) 1441 u16 itt; 1442#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0) 1443#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0 1444#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14) 1445#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14 1446 u16 reserved7; 1447#endif 1448 u32 cq_req_sn; 1449}; 1450 1451/* 1452 * iSCSI Text CQE 1453 */ 1454struct bnx2i_text_response { 1455#if defined(__BIG_ENDIAN) 1456 u8 op_code; 1457 u8 response_flags; 1458#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0) 1459#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0 1460#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6) 1461#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6 1462#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7) 1463#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7 1464 u16 reserved0; 1465#elif defined(__LITTLE_ENDIAN) 1466 u16 reserved0; 1467 u8 response_flags; 1468#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0) 1469#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0 1470#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6) 1471#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6 1472#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7) 1473#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7 1474 u8 op_code; 1475#endif 1476 u32 data_length; 1477 u32 exp_cmd_sn; 1478 u32 max_cmd_sn; 1479 u32 ttt; 1480 u32 reserved2; 1481#if defined(__BIG_ENDIAN) 1482 u16 reserved4; 1483 u8 err_code; 1484 u8 reserved3; 1485#elif defined(__LITTLE_ENDIAN) 1486 u8 reserved3; 1487 u8 err_code; 1488 u16 reserved4; 1489#endif 1490 u32 reserved5; 1491 u32 lun[2]; 1492 u32 reserved6[4]; 1493#if defined(__BIG_ENDIAN) 1494 u16 reserved7; 1495 u16 itt; 1496#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0) 1497#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0 1498#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14) 1499#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14 1500#elif defined(__LITTLE_ENDIAN) 1501 u16 itt; 1502#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0) 1503#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0 1504#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14) 1505#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14 1506 u16 reserved7; 1507#endif 1508 u32 cq_req_sn; 1509}; 1510 1511/* 1512 * iSCSI CQE 1513 */ 1514union iscsi_response { 1515 struct bnx2i_cmd_response cmd; 1516 struct bnx2i_tmf_response tmf; 1517 struct bnx2i_login_response login_resp; 1518 struct bnx2i_text_response text; 1519 struct bnx2i_logout_response logout_resp; 1520 struct bnx2i_cleanup_response cleanup; 1521 struct bnx2i_reject_msg reject; 1522 struct bnx2i_async_msg async; 1523 struct bnx2i_nop_in_msg nop_in; 1524}; 1525 1526#endif /* __57XX_ISCSI_HSI_LINUX_LE__ */