drivers/scsi/bnx2i/57xx_iscsi_hsi.h

   1 /* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
   2  *
   3  * Copyright (c) 2006 - 2012 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_RESERVED1 (0x3<<6)
 585 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 586         u16 cq_num_wqes;
 587 #elif defined(__LITTLE_ENDIAN)
 588         u16 cq_num_wqes;
 589         u8 flags;
 590 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 591 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 592 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 593 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 594 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 595 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 596 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 597 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 598         u8 cq_log_wqes_per_page;
 599 #endif
 600 #if defined(__BIG_ENDIAN)
 601         u16 cq_num_pages;
 602         u16 sq_num_pages;
 603 #elif defined(__LITTLE_ENDIAN)
 604         u16 sq_num_pages;
 605         u16 cq_num_pages;
 606 #endif
 607 #if defined(__BIG_ENDIAN)
 608         u16 rq_buffer_size;
 609         u16 rq_num_wqes;
 610 #elif defined(__LITTLE_ENDIAN)
 611         u16 rq_num_wqes;
 612         u16 rq_buffer_size;
 613 #endif
 614 };
 615
 616 /*
 617  * iSCSI firmware init request 2
 618  */
 619 struct iscsi_kwqe_init2 {
 620 #if defined(__BIG_ENDIAN)
 621         struct iscsi_kwqe_header hdr;
 622         u16 max_cq_sqn;
 623 #elif defined(__LITTLE_ENDIAN)
 624         u16 max_cq_sqn;
 625         struct iscsi_kwqe_header hdr;
 626 #endif
 627         u32 error_bit_map[2];
 628         u32 reserved1[5];
 629 };
 630
 631 /*
 632  * Initial iSCSI connection offload request 1
 633  */
 634 struct iscsi_kwqe_conn_offload1 {
 635 #if defined(__BIG_ENDIAN)
 636         struct iscsi_kwqe_header hdr;
 637         u16 iscsi_conn_id;
 638 #elif defined(__LITTLE_ENDIAN)
 639         u16 iscsi_conn_id;
 640         struct iscsi_kwqe_header hdr;
 641 #endif
 642         u32 sq_page_table_addr_lo;
 643         u32 sq_page_table_addr_hi;
 644         u32 cq_page_table_addr_lo;
 645         u32 cq_page_table_addr_hi;
 646         u32 reserved0[3];
 647 };
 648
 649 /*
 650  * iSCSI Page Table Entry (PTE)
 651  */
 652 struct iscsi_pte {
 653         u32 hi;
 654         u32 lo;
 655 };
 656
 657 /*
 658  * Initial iSCSI connection offload request 2
 659  */
 660 struct iscsi_kwqe_conn_offload2 {
 661 #if defined(__BIG_ENDIAN)
 662         struct iscsi_kwqe_header hdr;
 663         u16 reserved0;
 664 #elif defined(__LITTLE_ENDIAN)
 665         u16 reserved0;
 666         struct iscsi_kwqe_header hdr;
 667 #endif
 668         u32 rq_page_table_addr_lo;
 669         u32 rq_page_table_addr_hi;
 670         struct iscsi_pte sq_first_pte;
 671         struct iscsi_pte cq_first_pte;
 672         u32 num_additional_wqes;
 673 };
 674
 675
 676 /*
 677  * Initial iSCSI connection offload request 3
 678  */
 679 struct iscsi_kwqe_conn_offload3 {
 680 #if defined(__BIG_ENDIAN)
 681         struct iscsi_kwqe_header hdr;
 682         u16 reserved0;
 683 #elif defined(__LITTLE_ENDIAN)
 684         u16 reserved0;
 685         struct iscsi_kwqe_header hdr;
 686 #endif
 687         u32 reserved1;
 688         struct iscsi_pte qp_first_pte[3];
 689 };
 690
 691
 692 /*
 693  * iSCSI connection update request
 694  */
 695 struct iscsi_kwqe_conn_update {
 696 #if defined(__BIG_ENDIAN)
 697         struct iscsi_kwqe_header hdr;
 698         u16 reserved0;
 699 #elif defined(__LITTLE_ENDIAN)
 700         u16 reserved0;
 701         struct iscsi_kwqe_header hdr;
 702 #endif
 703 #if defined(__BIG_ENDIAN)
 704         u8 session_error_recovery_level;
 705         u8 max_outstanding_r2ts;
 706         u8 reserved2;
 707         u8 conn_flags;
 708 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 709 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 710 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 711 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 712 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 713 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 714 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 715 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 716 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
 717 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
 718 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
 719 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
 720 #elif defined(__LITTLE_ENDIAN)
 721         u8 conn_flags;
 722 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 723 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 724 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 725 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 726 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 727 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 728 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 729 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 730 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
 731 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
 732 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
 733 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
 734         u8 reserved2;
 735         u8 max_outstanding_r2ts;
 736         u8 session_error_recovery_level;
 737 #endif
 738         u32 context_id;
 739         u32 max_send_pdu_length;
 740         u32 max_recv_pdu_length;
 741         u32 first_burst_length;
 742         u32 max_burst_length;
 743         u32 exp_stat_sn;
 744 };
 745
 746 /*
 747  * iSCSI destroy connection request
 748  */
 749 struct iscsi_kwqe_conn_destroy {
 750 #if defined(__BIG_ENDIAN)
 751         struct iscsi_kwqe_header hdr;
 752         u16 reserved0;
 753 #elif defined(__LITTLE_ENDIAN)
 754         u16 reserved0;
 755         struct iscsi_kwqe_header hdr;
 756 #endif
 757         u32 context_id;
 758         u32 reserved1[6];
 759 };
 760
 761 /*
 762  * iSCSI KWQ WQE
 763  */
 764 union iscsi_kwqe {
 765         struct iscsi_kwqe_init1 init1;
 766         struct iscsi_kwqe_init2 init2;
 767         struct iscsi_kwqe_conn_offload1 conn_offload1;
 768         struct iscsi_kwqe_conn_offload2 conn_offload2;
 769         struct iscsi_kwqe_conn_update conn_update;
 770         struct iscsi_kwqe_conn_destroy conn_destroy;
 771 };
 772
 773 /*
 774  * iSCSI Login SQ WQE
 775  */
 776 struct bnx2i_login_request {
 777 #if defined(__BIG_ENDIAN)
 778         u8 op_code;
 779         u8 op_attr;
 780 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 781 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 782 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 783 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 784 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 785 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 786 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 787 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 788 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 789 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 790         u8 version_max;
 791         u8 version_min;
 792 #elif defined(__LITTLE_ENDIAN)
 793         u8 version_min;
 794         u8 version_max;
 795         u8 op_attr;
 796 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 797 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 798 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 799 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 800 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 801 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 802 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 803 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 804 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 805 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 806         u8 op_code;
 807 #endif
 808         u32 data_length;
 809         u32 isid_lo;
 810 #if defined(__BIG_ENDIAN)
 811         u16 isid_hi;
 812         u16 tsih;
 813 #elif defined(__LITTLE_ENDIAN)
 814         u16 tsih;
 815         u16 isid_hi;
 816 #endif
 817 #if defined(__BIG_ENDIAN)
 818         u16 reserved2;
 819         u16 itt;
 820 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 821 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 822 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 823 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 824 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved2;
 831 #endif
 832 #if defined(__BIG_ENDIAN)
 833         u16 cid;
 834         u16 reserved3;
 835 #elif defined(__LITTLE_ENDIAN)
 836         u16 reserved3;
 837         u16 cid;
 838 #endif
 839         u32 cmd_sn;
 840         u32 exp_stat_sn;
 841         u32 reserved4;
 842         u32 resp_bd_list_addr_lo;
 843         u32 resp_bd_list_addr_hi;
 844         u32 resp_buffer;
 845 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 846 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 847 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
 848 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
 849 #if defined(__BIG_ENDIAN)
 850         u16 reserved8;
 851         u8 reserved7;
 852         u8 flags;
 853 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 854 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 855 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 856 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 857 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 858 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 859 #elif defined(__LITTLE_ENDIAN)
 860         u8 flags;
 861 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 862 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 863 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 864 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 865 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 866 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 867         u8 reserved7;
 868         u16 reserved8;
 869 #endif
 870         u32 bd_list_addr_lo;
 871         u32 bd_list_addr_hi;
 872 #if defined(__BIG_ENDIAN)
 873         u8 cq_index;
 874         u8 reserved10;
 875         u8 reserved9;
 876         u8 num_bds;
 877 #elif defined(__LITTLE_ENDIAN)
 878         u8 num_bds;
 879         u8 reserved9;
 880         u8 reserved10;
 881         u8 cq_index;
 882 #endif
 883 };
 884
 885
 886 /*
 887  * iSCSI Login CQE
 888  */
 889 struct bnx2i_login_response {
 890 #if defined(__BIG_ENDIAN)
 891         u8 op_code;
 892         u8 response_flags;
 893 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 894 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 895 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 896 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 897 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 898 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 899 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 900 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 901 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 902 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 903         u8 version_max;
 904         u8 version_active;
 905 #elif defined(__LITTLE_ENDIAN)
 906         u8 version_active;
 907         u8 version_max;
 908         u8 response_flags;
 909 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 910 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 911 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 912 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 913 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 914 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 915 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 916 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 917 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 918 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 919         u8 op_code;
 920 #endif
 921         u32 data_length;
 922         u32 exp_cmd_sn;
 923         u32 max_cmd_sn;
 924         u32 reserved1[2];
 925 #if defined(__BIG_ENDIAN)
 926         u16 reserved3;
 927         u8 err_code;
 928         u8 reserved2;
 929 #elif defined(__LITTLE_ENDIAN)
 930         u8 reserved2;
 931         u8 err_code;
 932         u16 reserved3;
 933 #endif
 934         u32 stat_sn;
 935         u32 isid_lo;
 936 #if defined(__BIG_ENDIAN)
 937         u16 isid_hi;
 938         u16 tsih;
 939 #elif defined(__LITTLE_ENDIAN)
 940         u16 tsih;
 941         u16 isid_hi;
 942 #endif
 943 #if defined(__BIG_ENDIAN)
 944         u8 status_class;
 945         u8 status_detail;
 946         u16 reserved4;
 947 #elif defined(__LITTLE_ENDIAN)
 948         u16 reserved4;
 949         u8 status_detail;
 950         u8 status_class;
 951 #endif
 952         u32 reserved5[3];
 953 #if defined(__BIG_ENDIAN)
 954         u16 reserved6;
 955         u16 itt;
 956 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 957 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 958 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 959 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 960 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved6;
 967 #endif
 968         u32 cq_req_sn;
 969 };
 970
 971
 972 /*
 973  * iSCSI Logout SQ WQE
 974  */
 975 struct bnx2i_logout_request {
 976 #if defined(__BIG_ENDIAN)
 977         u8 op_code;
 978         u8 op_attr;
 979 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 980 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 981 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 982 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 983         u16 reserved0;
 984 #elif defined(__LITTLE_ENDIAN)
 985         u16 reserved0;
 986         u8 op_attr;
 987 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 988 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 989 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 990 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 991         u8 op_code;
 992 #endif
 993         u32 data_length;
 994         u32 reserved1[2];
 995 #if defined(__BIG_ENDIAN)
 996         u16 reserved2;
 997         u16 itt;
 998 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 999 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
1000 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
1001 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
1002 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved2;
1009 #endif
1010 #if defined(__BIG_ENDIAN)
1011         u16 cid;
1012         u16 reserved3;
1013 #elif defined(__LITTLE_ENDIAN)
1014         u16 reserved3;
1015         u16 cid;
1016 #endif
1017         u32 cmd_sn;
1018         u32 reserved4[5];
1019         u32 zero_fill;
1020         u32 bd_list_addr_lo;
1021         u32 bd_list_addr_hi;
1022 #if defined(__BIG_ENDIAN)
1023         u8 cq_index;
1024         u8 reserved6;
1025         u8 reserved5;
1026         u8 num_bds;
1027 #elif defined(__LITTLE_ENDIAN)
1028         u8 num_bds;
1029         u8 reserved5;
1030         u8 reserved6;
1031         u8 cq_index;
1032 #endif
1033 };
1034
1035
1036 /*
1037  * iSCSI Logout CQE
1038  */
1039 struct bnx2i_logout_response {
1040 #if defined(__BIG_ENDIAN)
1041         u8 op_code;
1042         u8 reserved1;
1043         u8 response;
1044         u8 reserved0;
1045 #elif defined(__LITTLE_ENDIAN)
1046         u8 reserved0;
1047         u8 response;
1048         u8 reserved1;
1049         u8 op_code;
1050 #endif
1051         u32 reserved2;
1052         u32 exp_cmd_sn;
1053         u32 max_cmd_sn;
1054         u32 reserved3[2];
1055 #if defined(__BIG_ENDIAN)
1056         u16 reserved5;
1057         u8 err_code;
1058         u8 reserved4;
1059 #elif defined(__LITTLE_ENDIAN)
1060         u8 reserved4;
1061         u8 err_code;
1062         u16 reserved5;
1063 #endif
1064         u32 reserved6[3];
1065 #if defined(__BIG_ENDIAN)
1066         u16 time_to_wait;
1067         u16 time_to_retain;
1068 #elif defined(__LITTLE_ENDIAN)
1069         u16 time_to_retain;
1070         u16 time_to_wait;
1071 #endif
1072         u32 reserved7[3];
1073 #if defined(__BIG_ENDIAN)
1074         u16 reserved8;
1075         u16 itt;
1076 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1077 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1078 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1079 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1080 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved8;
1087 #endif
1088         u32 cq_req_sn;
1089 };
1090
1091
1092 /*
1093  * iSCSI Nop-In CQE
1094  */
1095 struct bnx2i_nop_in_msg {
1096 #if defined(__BIG_ENDIAN)
1097         u8 op_code;
1098         u8 reserved1;
1099         u16 reserved0;
1100 #elif defined(__LITTLE_ENDIAN)
1101         u16 reserved0;
1102         u8 reserved1;
1103         u8 op_code;
1104 #endif
1105         u32 data_length;
1106         u32 exp_cmd_sn;
1107         u32 max_cmd_sn;
1108         u32 ttt;
1109         u32 reserved2;
1110 #if defined(__BIG_ENDIAN)
1111         u16 reserved4;
1112         u8 err_code;
1113         u8 reserved3;
1114 #elif defined(__LITTLE_ENDIAN)
1115         u8 reserved3;
1116         u8 err_code;
1117         u16 reserved4;
1118 #endif
1119         u32 reserved5;
1120         u32 lun[2];
1121         u32 reserved6[4];
1122 #if defined(__BIG_ENDIAN)
1123         u16 reserved7;
1124         u16 itt;
1125 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1126 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1127 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1128 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1129 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved7;
1136 #endif
1137         u32 cq_req_sn;
1138 };
1139
1140
1141 /*
1142  * iSCSI NOP-OUT SQ WQE
1143  */
1144 struct bnx2i_nop_out_request {
1145 #if defined(__BIG_ENDIAN)
1146         u8 op_code;
1147         u8 op_attr;
1148 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1149 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1150 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1151 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1152         u16 reserved0;
1153 #elif defined(__LITTLE_ENDIAN)
1154         u16 reserved0;
1155         u8 op_attr;
1156 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1157 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1158 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1159 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1160         u8 op_code;
1161 #endif
1162         u32 data_length;
1163         u32 lun[2];
1164 #if defined(__BIG_ENDIAN)
1165         u16 reserved2;
1166         u16 itt;
1167 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1168 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1169 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1170 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1171 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved2;
1178 #endif
1179         u32 ttt;
1180         u32 cmd_sn;
1181         u32 reserved3[2];
1182         u32 resp_bd_list_addr_lo;
1183         u32 resp_bd_list_addr_hi;
1184         u32 resp_buffer;
1185 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1186 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1187 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1188 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1189 #if defined(__BIG_ENDIAN)
1190         u16 reserved7;
1191         u8 reserved6;
1192         u8 flags;
1193 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1194 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1195 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1196 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1197 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1198 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1199 #elif defined(__LITTLE_ENDIAN)
1200         u8 flags;
1201 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1202 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1203 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1204 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1205 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1206 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1207         u8 reserved6;
1208         u16 reserved7;
1209 #endif
1210         u32 bd_list_addr_lo;
1211         u32 bd_list_addr_hi;
1212 #if defined(__BIG_ENDIAN)
1213         u8 cq_index;
1214         u8 reserved9;
1215         u8 reserved8;
1216         u8 num_bds;
1217 #elif defined(__LITTLE_ENDIAN)
1218         u8 num_bds;
1219         u8 reserved8;
1220         u8 reserved9;
1221         u8 cq_index;
1222 #endif
1223 };
1224
1225 /*
1226  * iSCSI Reject CQE
1227  */
1228 struct bnx2i_reject_msg {
1229 #if defined(__BIG_ENDIAN)
1230         u8 op_code;
1231         u8 reserved1;
1232         u8 reason;
1233         u8 reserved0;
1234 #elif defined(__LITTLE_ENDIAN)
1235         u8 reserved0;
1236         u8 reason;
1237         u8 reserved1;
1238         u8 op_code;
1239 #endif
1240         u32 data_length;
1241         u32 exp_cmd_sn;
1242         u32 max_cmd_sn;
1243         u32 reserved2[2];
1244 #if defined(__BIG_ENDIAN)
1245         u16 reserved4;
1246         u8 err_code;
1247         u8 reserved3;
1248 #elif defined(__LITTLE_ENDIAN)
1249         u8 reserved3;
1250         u8 err_code;
1251         u16 reserved4;
1252 #endif
1253         u32 reserved5[8];
1254         u32 cq_req_sn;
1255 };
1256
1257 /*
1258  * bnx2i iSCSI TMF SQ WQE
1259  */
1260 struct bnx2i_tmf_request {
1261 #if defined(__BIG_ENDIAN)
1262         u8 op_code;
1263         u8 op_attr;
1264 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1265 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1266 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1267 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1268         u16 reserved0;
1269 #elif defined(__LITTLE_ENDIAN)
1270         u16 reserved0;
1271         u8 op_attr;
1272 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1273 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1274 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1275 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1276         u8 op_code;
1277 #endif
1278         u32 data_length;
1279         u32 lun[2];
1280 #if defined(__BIG_ENDIAN)
1281         u16 reserved1;
1282         u16 itt;
1283 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1284 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1285 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1286 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1287 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved1;
1294 #endif
1295         u32 ref_itt;
1296         u32 cmd_sn;
1297         u32 reserved2;
1298         u32 ref_cmd_sn;
1299         u32 reserved3[3];
1300         u32 zero_fill;
1301         u32 bd_list_addr_lo;
1302         u32 bd_list_addr_hi;
1303 #if defined(__BIG_ENDIAN)
1304         u8 cq_index;
1305         u8 reserved5;
1306         u8 reserved4;
1307         u8 num_bds;
1308 #elif defined(__LITTLE_ENDIAN)
1309         u8 num_bds;
1310         u8 reserved4;
1311         u8 reserved5;
1312         u8 cq_index;
1313 #endif
1314 };
1315
1316 /*
1317  * iSCSI Text SQ WQE
1318  */
1319 struct bnx2i_text_request {
1320 #if defined(__BIG_ENDIAN)
1321         u8 op_code;
1322         u8 op_attr;
1323 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1324 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1325 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1326 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1327 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1328 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1329         u16 reserved0;
1330 #elif defined(__LITTLE_ENDIAN)
1331         u16 reserved0;
1332         u8 op_attr;
1333 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1334 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1335 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1336 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1337 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1338 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1339         u8 op_code;
1340 #endif
1341         u32 data_length;
1342         u32 lun[2];
1343 #if defined(__BIG_ENDIAN)
1344         u16 reserved3;
1345         u16 itt;
1346 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1347 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1348 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1349 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1350 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved3;
1357 #endif
1358         u32 ttt;
1359         u32 cmd_sn;
1360         u32 reserved4[2];
1361         u32 resp_bd_list_addr_lo;
1362         u32 resp_bd_list_addr_hi;
1363         u32 resp_buffer;
1364 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1365 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1366 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1367 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1368         u32 zero_fill;
1369         u32 bd_list_addr_lo;
1370         u32 bd_list_addr_hi;
1371 #if defined(__BIG_ENDIAN)
1372         u8 cq_index;
1373         u8 reserved7;
1374         u8 reserved6;
1375         u8 num_bds;
1376 #elif defined(__LITTLE_ENDIAN)
1377         u8 num_bds;
1378         u8 reserved6;
1379         u8 reserved7;
1380         u8 cq_index;
1381 #endif
1382 };
1383
1384 /*
1385  * iSCSI SQ WQE
1386  */
1387 union iscsi_request {
1388         struct bnx2i_cmd_request cmd;
1389         struct bnx2i_tmf_request tmf;
1390         struct bnx2i_nop_out_request nop_out;
1391         struct bnx2i_login_request login_req;
1392         struct bnx2i_text_request text;
1393         struct bnx2i_logout_request logout_req;
1394         struct bnx2i_cleanup_request cleanup;
1395 };
1396
1397
1398 /*
1399  * iSCSI TMF CQE
1400  */
1401 struct bnx2i_tmf_response {
1402 #if defined(__BIG_ENDIAN)
1403         u8 op_code;
1404         u8 reserved1;
1405         u8 response;
1406         u8 reserved0;
1407 #elif defined(__LITTLE_ENDIAN)
1408         u8 reserved0;
1409         u8 response;
1410         u8 reserved1;
1411         u8 op_code;
1412 #endif
1413         u32 reserved2;
1414         u32 exp_cmd_sn;
1415         u32 max_cmd_sn;
1416         u32 reserved3[2];
1417 #if defined(__BIG_ENDIAN)
1418         u16 reserved5;
1419         u8 err_code;
1420         u8 reserved4;
1421 #elif defined(__LITTLE_ENDIAN)
1422         u8 reserved4;
1423         u8 err_code;
1424         u16 reserved5;
1425 #endif
1426         u32 reserved6[7];
1427 #if defined(__BIG_ENDIAN)
1428         u16 reserved7;
1429         u16 itt;
1430 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1431 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1432 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1433 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1434 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved7;
1441 #endif
1442         u32 cq_req_sn;
1443 };
1444
1445 /*
1446  * iSCSI Text CQE
1447  */
1448 struct bnx2i_text_response {
1449 #if defined(__BIG_ENDIAN)
1450         u8 op_code;
1451         u8 response_flags;
1452 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1453 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1454 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1455 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1456 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1457 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1458         u16 reserved0;
1459 #elif defined(__LITTLE_ENDIAN)
1460         u16 reserved0;
1461         u8 response_flags;
1462 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1463 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1464 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1465 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1466 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1467 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1468         u8 op_code;
1469 #endif
1470         u32 data_length;
1471         u32 exp_cmd_sn;
1472         u32 max_cmd_sn;
1473         u32 ttt;
1474         u32 reserved2;
1475 #if defined(__BIG_ENDIAN)
1476         u16 reserved4;
1477         u8 err_code;
1478         u8 reserved3;
1479 #elif defined(__LITTLE_ENDIAN)
1480         u8 reserved3;
1481         u8 err_code;
1482         u16 reserved4;
1483 #endif
1484         u32 reserved5;
1485         u32 lun[2];
1486         u32 reserved6[4];
1487 #if defined(__BIG_ENDIAN)
1488         u16 reserved7;
1489         u16 itt;
1490 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1491 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1492 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1493 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1494 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved7;
1501 #endif
1502         u32 cq_req_sn;
1503 };
1504
1505 /*
1506  * iSCSI CQE
1507  */
1508 union iscsi_response {
1509         struct bnx2i_cmd_response cmd;
1510         struct bnx2i_tmf_response tmf;
1511         struct bnx2i_login_response login_resp;
1512         struct bnx2i_text_response text;
1513         struct bnx2i_logout_response logout_resp;
1514         struct bnx2i_cleanup_response cleanup;
1515         struct bnx2i_reject_msg reject;
1516         struct bnx2i_async_msg async;
1517         struct bnx2i_nop_in_msg nop_in;
1518 };
1519
1520 #endif /* __57XX_ISCSI_HSI_LINUX_LE__ */