drivers/scsi/bnx2i/57xx_iscsi_hsi.h

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