drivers/scsi/bnx2i/57xx_iscsi_hsi.h

   1 /* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
   2  *
   3  * Copyright (c) 2006 - 2011 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         u32 num_data_ins;
 271 };
 272
 273 /*
 274  * task statistics for read response
 275  */
 276 struct bnx2i_read_resp_task_stat {
 277 #if defined(__BIG_ENDIAN)
 278         u16 num_data_outs;
 279         u16 num_r2ts;
 280 #elif defined(__LITTLE_ENDIAN)
 281         u16 num_r2ts;
 282         u16 num_data_outs;
 283 #endif
 284 };
 285
 286 /*
 287  * task statistics for iSCSI cmd response
 288  */
 289 union bnx2i_cmd_resp_task_stat {
 290         struct bnx2i_write_resp_task_stat write_stat;
 291         struct bnx2i_read_resp_task_stat read_stat;
 292 };
 293
 294 /*
 295  * SCSI Command CQE
 296  */
 297 struct bnx2i_cmd_response {
 298 #if defined(__BIG_ENDIAN)
 299         u8 op_code;
 300         u8 response_flags;
 301 #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
 302 #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
 303 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
 304 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
 305 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
 306 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
 307 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
 308 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
 309 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
 310 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
 311 #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
 312 #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
 313         u8 response;
 314         u8 status;
 315 #elif defined(__LITTLE_ENDIAN)
 316         u8 status;
 317         u8 response;
 318         u8 response_flags;
 319 #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
 320 #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
 321 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
 322 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
 323 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
 324 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
 325 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
 326 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
 327 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
 328 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
 329 #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
 330 #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
 331         u8 op_code;
 332 #endif
 333         u32 data_length;
 334         u32 exp_cmd_sn;
 335         u32 max_cmd_sn;
 336         u32 reserved2;
 337         u32 residual_count;
 338 #if defined(__BIG_ENDIAN)
 339         u16 reserved4;
 340         u8 err_code;
 341         u8 reserved3;
 342 #elif defined(__LITTLE_ENDIAN)
 343         u8 reserved3;
 344         u8 err_code;
 345         u16 reserved4;
 346 #endif
 347         u32 reserved5[5];
 348         union bnx2i_cmd_resp_task_stat task_stat;
 349         u32 reserved6;
 350 #if defined(__BIG_ENDIAN)
 351         u16 reserved7;
 352         u16 itt;
 353 #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
 354 #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
 355 #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
 356 #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
 357 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved7;
 364 #endif
 365         u32 cq_req_sn;
 366 };
 367
 368
 369
 370 /*
 371  * firmware middle-path request SQ WQE
 372  */
 373 struct bnx2i_fw_mp_request {
 374 #if defined(__BIG_ENDIAN)
 375         u8 op_code;
 376         u8 op_attr;
 377         u16 hdr_opaque1;
 378 #elif defined(__LITTLE_ENDIAN)
 379         u16 hdr_opaque1;
 380         u8 op_attr;
 381         u8 op_code;
 382 #endif
 383         u32 data_length;
 384         u32 hdr_opaque2[2];
 385 #if defined(__BIG_ENDIAN)
 386         u16 reserved0;
 387         u16 itt;
 388 #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
 389 #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
 390 #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
 391 #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
 392 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved0;
 399 #endif
 400         u32 hdr_opaque3[4];
 401         u32 resp_bd_list_addr_lo;
 402         u32 resp_bd_list_addr_hi;
 403         u32 resp_buffer;
 404 #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 405 #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 406 #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
 407 #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
 408 #if defined(__BIG_ENDIAN)
 409         u16 reserved4;
 410         u8 reserved3;
 411         u8 flags;
 412 #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
 413 #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
 414 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
 415 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
 416 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 417 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 418 #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
 419 #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
 420 #elif defined(__LITTLE_ENDIAN)
 421         u8 flags;
 422 #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
 423 #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
 424 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
 425 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
 426 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 427 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 428 #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
 429 #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
 430         u8 reserved3;
 431         u16 reserved4;
 432 #endif
 433         u32 bd_list_addr_lo;
 434         u32 bd_list_addr_hi;
 435 #if defined(__BIG_ENDIAN)
 436         u8 cq_index;
 437         u8 reserved6;
 438         u8 reserved5;
 439         u8 num_bds;
 440 #elif defined(__LITTLE_ENDIAN)
 441         u8 num_bds;
 442         u8 reserved5;
 443         u8 reserved6;
 444         u8 cq_index;
 445 #endif
 446 };
 447
 448
 449 /*
 450  * firmware response - CQE: used only by firmware
 451  */
 452 struct bnx2i_fw_response {
 453         u32 hdr_dword1[2];
 454         u32 hdr_exp_cmd_sn;
 455         u32 hdr_max_cmd_sn;
 456         u32 hdr_ttt;
 457         u32 hdr_res_cnt;
 458         u32 cqe_flags;
 459 #define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
 460 #define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
 461 #define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
 462 #define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
 463 #define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
 464 #define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
 465         u32 stat_sn;
 466         u32 hdr_dword2[2];
 467         u32 hdr_dword3[2];
 468         u32 task_stat;
 469         u32 reserved0;
 470         u32 hdr_itt;
 471         u32 cq_req_sn;
 472 };
 473
 474
 475 /*
 476  * iSCSI KCQ CQE parameters
 477  */
 478 union iscsi_kcqe_params {
 479         u32 reserved0[4];
 480 };
 481
 482 /*
 483  * iSCSI KCQ CQE
 484  */
 485 struct iscsi_kcqe {
 486         u32 iscsi_conn_id;
 487         u32 completion_status;
 488         u32 iscsi_conn_context_id;
 489         union iscsi_kcqe_params params;
 490 #if defined(__BIG_ENDIAN)
 491         u8 flags;
 492 #define ISCSI_KCQE_RESERVED0 (0xF<<0)
 493 #define ISCSI_KCQE_RESERVED0_SHIFT 0
 494 #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
 495 #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
 496 #define ISCSI_KCQE_RESERVED1 (0x1<<7)
 497 #define ISCSI_KCQE_RESERVED1_SHIFT 7
 498         u8 op_code;
 499         u16 qe_self_seq;
 500 #elif defined(__LITTLE_ENDIAN)
 501         u16 qe_self_seq;
 502         u8 op_code;
 503         u8 flags;
 504 #define ISCSI_KCQE_RESERVED0 (0xF<<0)
 505 #define ISCSI_KCQE_RESERVED0_SHIFT 0
 506 #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
 507 #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
 508 #define ISCSI_KCQE_RESERVED1 (0x1<<7)
 509 #define ISCSI_KCQE_RESERVED1_SHIFT 7
 510 #endif
 511 };
 512
 513
 514
 515 /*
 516  * iSCSI KWQE header
 517  */
 518 struct iscsi_kwqe_header {
 519 #if defined(__BIG_ENDIAN)
 520         u8 flags;
 521 #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
 522 #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
 523 #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
 524 #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
 525 #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
 526 #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
 527         u8 op_code;
 528 #elif defined(__LITTLE_ENDIAN)
 529         u8 op_code;
 530         u8 flags;
 531 #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
 532 #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
 533 #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
 534 #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
 535 #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
 536 #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
 537 #endif
 538 };
 539
 540 /*
 541  * iSCSI firmware init request 1
 542  */
 543 struct iscsi_kwqe_init1 {
 544 #if defined(__BIG_ENDIAN)
 545         struct iscsi_kwqe_header hdr;
 546         u8 reserved0;
 547         u8 num_cqs;
 548 #elif defined(__LITTLE_ENDIAN)
 549         u8 num_cqs;
 550         u8 reserved0;
 551         struct iscsi_kwqe_header hdr;
 552 #endif
 553         u32 dummy_buffer_addr_lo;
 554         u32 dummy_buffer_addr_hi;
 555 #if defined(__BIG_ENDIAN)
 556         u16 num_ccells_per_conn;
 557         u16 num_tasks_per_conn;
 558 #elif defined(__LITTLE_ENDIAN)
 559         u16 num_tasks_per_conn;
 560         u16 num_ccells_per_conn;
 561 #endif
 562 #if defined(__BIG_ENDIAN)
 563         u16 sq_wqes_per_page;
 564         u16 sq_num_wqes;
 565 #elif defined(__LITTLE_ENDIAN)
 566         u16 sq_num_wqes;
 567         u16 sq_wqes_per_page;
 568 #endif
 569 #if defined(__BIG_ENDIAN)
 570         u8 cq_log_wqes_per_page;
 571         u8 flags;
 572 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 573 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 574 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 575 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 576 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 577 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 578 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 579 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 580         u16 cq_num_wqes;
 581 #elif defined(__LITTLE_ENDIAN)
 582         u16 cq_num_wqes;
 583         u8 flags;
 584 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 585 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 586 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 587 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 588 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 589 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 590 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 591 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 592         u8 cq_log_wqes_per_page;
 593 #endif
 594 #if defined(__BIG_ENDIAN)
 595         u16 cq_num_pages;
 596         u16 sq_num_pages;
 597 #elif defined(__LITTLE_ENDIAN)
 598         u16 sq_num_pages;
 599         u16 cq_num_pages;
 600 #endif
 601 #if defined(__BIG_ENDIAN)
 602         u16 rq_buffer_size;
 603         u16 rq_num_wqes;
 604 #elif defined(__LITTLE_ENDIAN)
 605         u16 rq_num_wqes;
 606         u16 rq_buffer_size;
 607 #endif
 608 };
 609
 610 /*
 611  * iSCSI firmware init request 2
 612  */
 613 struct iscsi_kwqe_init2 {
 614 #if defined(__BIG_ENDIAN)
 615         struct iscsi_kwqe_header hdr;
 616         u16 max_cq_sqn;
 617 #elif defined(__LITTLE_ENDIAN)
 618         u16 max_cq_sqn;
 619         struct iscsi_kwqe_header hdr;
 620 #endif
 621         u32 error_bit_map[2];
 622         u32 reserved1[5];
 623 };
 624
 625 /*
 626  * Initial iSCSI connection offload request 1
 627  */
 628 struct iscsi_kwqe_conn_offload1 {
 629 #if defined(__BIG_ENDIAN)
 630         struct iscsi_kwqe_header hdr;
 631         u16 iscsi_conn_id;
 632 #elif defined(__LITTLE_ENDIAN)
 633         u16 iscsi_conn_id;
 634         struct iscsi_kwqe_header hdr;
 635 #endif
 636         u32 sq_page_table_addr_lo;
 637         u32 sq_page_table_addr_hi;
 638         u32 cq_page_table_addr_lo;
 639         u32 cq_page_table_addr_hi;
 640         u32 reserved0[3];
 641 };
 642
 643 /*
 644  * iSCSI Page Table Entry (PTE)
 645  */
 646 struct iscsi_pte {
 647         u32 hi;
 648         u32 lo;
 649 };
 650
 651 /*
 652  * Initial iSCSI connection offload request 2
 653  */
 654 struct iscsi_kwqe_conn_offload2 {
 655 #if defined(__BIG_ENDIAN)
 656         struct iscsi_kwqe_header hdr;
 657         u16 reserved0;
 658 #elif defined(__LITTLE_ENDIAN)
 659         u16 reserved0;
 660         struct iscsi_kwqe_header hdr;
 661 #endif
 662         u32 rq_page_table_addr_lo;
 663         u32 rq_page_table_addr_hi;
 664         struct iscsi_pte sq_first_pte;
 665         struct iscsi_pte cq_first_pte;
 666         u32 num_additional_wqes;
 667 };
 668
 669
 670 /*
 671  * Initial iSCSI connection offload request 3
 672  */
 673 struct iscsi_kwqe_conn_offload3 {
 674 #if defined(__BIG_ENDIAN)
 675         struct iscsi_kwqe_header hdr;
 676         u16 reserved0;
 677 #elif defined(__LITTLE_ENDIAN)
 678         u16 reserved0;
 679         struct iscsi_kwqe_header hdr;
 680 #endif
 681         u32 reserved1;
 682         struct iscsi_pte qp_first_pte[3];
 683 };
 684
 685
 686 /*
 687  * iSCSI connection update request
 688  */
 689 struct iscsi_kwqe_conn_update {
 690 #if defined(__BIG_ENDIAN)
 691         struct iscsi_kwqe_header hdr;
 692         u16 reserved0;
 693 #elif defined(__LITTLE_ENDIAN)
 694         u16 reserved0;
 695         struct iscsi_kwqe_header hdr;
 696 #endif
 697 #if defined(__BIG_ENDIAN)
 698         u8 session_error_recovery_level;
 699         u8 max_outstanding_r2ts;
 700         u8 reserved2;
 701         u8 conn_flags;
 702 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 703 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 704 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 705 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 706 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 707 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 708 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 709 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 710 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
 711 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
 712 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
 713 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
 714 #elif defined(__LITTLE_ENDIAN)
 715         u8 conn_flags;
 716 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 717 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 718 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 719 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 720 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 721 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 722 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 723 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 724 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
 725 #define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
 726 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
 727 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
 728         u8 reserved2;
 729         u8 max_outstanding_r2ts;
 730         u8 session_error_recovery_level;
 731 #endif
 732         u32 context_id;
 733         u32 max_send_pdu_length;
 734         u32 max_recv_pdu_length;
 735         u32 first_burst_length;
 736         u32 max_burst_length;
 737         u32 exp_stat_sn;
 738 };
 739
 740 /*
 741  * iSCSI destroy connection request
 742  */
 743 struct iscsi_kwqe_conn_destroy {
 744 #if defined(__BIG_ENDIAN)
 745         struct iscsi_kwqe_header hdr;
 746         u16 reserved0;
 747 #elif defined(__LITTLE_ENDIAN)
 748         u16 reserved0;
 749         struct iscsi_kwqe_header hdr;
 750 #endif
 751         u32 context_id;
 752         u32 reserved1[6];
 753 };
 754
 755 /*
 756  * iSCSI KWQ WQE
 757  */
 758 union iscsi_kwqe {
 759         struct iscsi_kwqe_init1 init1;
 760         struct iscsi_kwqe_init2 init2;
 761         struct iscsi_kwqe_conn_offload1 conn_offload1;
 762         struct iscsi_kwqe_conn_offload2 conn_offload2;
 763         struct iscsi_kwqe_conn_update conn_update;
 764         struct iscsi_kwqe_conn_destroy conn_destroy;
 765 };
 766
 767 /*
 768  * iSCSI Login SQ WQE
 769  */
 770 struct bnx2i_login_request {
 771 #if defined(__BIG_ENDIAN)
 772         u8 op_code;
 773         u8 op_attr;
 774 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 775 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 776 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 777 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 778 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 779 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 780 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 781 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 782 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 783 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 784         u8 version_max;
 785         u8 version_min;
 786 #elif defined(__LITTLE_ENDIAN)
 787         u8 version_min;
 788         u8 version_max;
 789         u8 op_attr;
 790 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 791 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 792 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 793 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 794 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 795 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 796 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 797 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 798 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 799 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 800         u8 op_code;
 801 #endif
 802         u32 data_length;
 803         u32 isid_lo;
 804 #if defined(__BIG_ENDIAN)
 805         u16 isid_hi;
 806         u16 tsih;
 807 #elif defined(__LITTLE_ENDIAN)
 808         u16 tsih;
 809         u16 isid_hi;
 810 #endif
 811 #if defined(__BIG_ENDIAN)
 812         u16 reserved2;
 813         u16 itt;
 814 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 815 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 816 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 817 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 818 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved2;
 825 #endif
 826 #if defined(__BIG_ENDIAN)
 827         u16 cid;
 828         u16 reserved3;
 829 #elif defined(__LITTLE_ENDIAN)
 830         u16 reserved3;
 831         u16 cid;
 832 #endif
 833         u32 cmd_sn;
 834         u32 exp_stat_sn;
 835         u32 reserved4;
 836         u32 resp_bd_list_addr_lo;
 837         u32 resp_bd_list_addr_hi;
 838         u32 resp_buffer;
 839 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 840 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 841 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
 842 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
 843 #if defined(__BIG_ENDIAN)
 844         u16 reserved8;
 845         u8 reserved7;
 846         u8 flags;
 847 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 848 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 849 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 850 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 851 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 852 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 853 #elif defined(__LITTLE_ENDIAN)
 854         u8 flags;
 855 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 856 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 857 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 858 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 859 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 860 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 861         u8 reserved7;
 862         u16 reserved8;
 863 #endif
 864         u32 bd_list_addr_lo;
 865         u32 bd_list_addr_hi;
 866 #if defined(__BIG_ENDIAN)
 867         u8 cq_index;
 868         u8 reserved10;
 869         u8 reserved9;
 870         u8 num_bds;
 871 #elif defined(__LITTLE_ENDIAN)
 872         u8 num_bds;
 873         u8 reserved9;
 874         u8 reserved10;
 875         u8 cq_index;
 876 #endif
 877 };
 878
 879
 880 /*
 881  * iSCSI Login CQE
 882  */
 883 struct bnx2i_login_response {
 884 #if defined(__BIG_ENDIAN)
 885         u8 op_code;
 886         u8 response_flags;
 887 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 888 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 889 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 890 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 891 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 892 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 893 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 894 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 895 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 896 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 897         u8 version_max;
 898         u8 version_active;
 899 #elif defined(__LITTLE_ENDIAN)
 900         u8 version_active;
 901         u8 version_max;
 902         u8 response_flags;
 903 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 904 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 905 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 906 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 907 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 908 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 909 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 910 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 911 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 912 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 913         u8 op_code;
 914 #endif
 915         u32 data_length;
 916         u32 exp_cmd_sn;
 917         u32 max_cmd_sn;
 918         u32 reserved1[2];
 919 #if defined(__BIG_ENDIAN)
 920         u16 reserved3;
 921         u8 err_code;
 922         u8 reserved2;
 923 #elif defined(__LITTLE_ENDIAN)
 924         u8 reserved2;
 925         u8 err_code;
 926         u16 reserved3;
 927 #endif
 928         u32 stat_sn;
 929         u32 isid_lo;
 930 #if defined(__BIG_ENDIAN)
 931         u16 isid_hi;
 932         u16 tsih;
 933 #elif defined(__LITTLE_ENDIAN)
 934         u16 tsih;
 935         u16 isid_hi;
 936 #endif
 937 #if defined(__BIG_ENDIAN)
 938         u8 status_class;
 939         u8 status_detail;
 940         u16 reserved4;
 941 #elif defined(__LITTLE_ENDIAN)
 942         u16 reserved4;
 943         u8 status_detail;
 944         u8 status_class;
 945 #endif
 946         u32 reserved5[3];
 947 #if defined(__BIG_ENDIAN)
 948         u16 reserved6;
 949         u16 itt;
 950 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 951 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 952 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 953 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 954 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved6;
 961 #endif
 962         u32 cq_req_sn;
 963 };
 964
 965
 966 /*
 967  * iSCSI Logout SQ WQE
 968  */
 969 struct bnx2i_logout_request {
 970 #if defined(__BIG_ENDIAN)
 971         u8 op_code;
 972         u8 op_attr;
 973 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 974 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 975 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 976 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 977         u16 reserved0;
 978 #elif defined(__LITTLE_ENDIAN)
 979         u16 reserved0;
 980         u8 op_attr;
 981 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 982 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 983 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 984 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 985         u8 op_code;
 986 #endif
 987         u32 data_length;
 988         u32 reserved1[2];
 989 #if defined(__BIG_ENDIAN)
 990         u16 reserved2;
 991         u16 itt;
 992 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 993 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
 994 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
 995 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
 996 #elif defined(__LITTLE_ENDIAN)
 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         u16 reserved2;
1003 #endif
1004 #if defined(__BIG_ENDIAN)
1005         u16 cid;
1006         u16 reserved3;
1007 #elif defined(__LITTLE_ENDIAN)
1008         u16 reserved3;
1009         u16 cid;
1010 #endif
1011         u32 cmd_sn;
1012         u32 reserved4[5];
1013         u32 zero_fill;
1014         u32 bd_list_addr_lo;
1015         u32 bd_list_addr_hi;
1016 #if defined(__BIG_ENDIAN)
1017         u8 cq_index;
1018         u8 reserved6;
1019         u8 reserved5;
1020         u8 num_bds;
1021 #elif defined(__LITTLE_ENDIAN)
1022         u8 num_bds;
1023         u8 reserved5;
1024         u8 reserved6;
1025         u8 cq_index;
1026 #endif
1027 };
1028
1029
1030 /*
1031  * iSCSI Logout CQE
1032  */
1033 struct bnx2i_logout_response {
1034 #if defined(__BIG_ENDIAN)
1035         u8 op_code;
1036         u8 reserved1;
1037         u8 response;
1038         u8 reserved0;
1039 #elif defined(__LITTLE_ENDIAN)
1040         u8 reserved0;
1041         u8 response;
1042         u8 reserved1;
1043         u8 op_code;
1044 #endif
1045         u32 reserved2;
1046         u32 exp_cmd_sn;
1047         u32 max_cmd_sn;
1048         u32 reserved3[2];
1049 #if defined(__BIG_ENDIAN)
1050         u16 reserved5;
1051         u8 err_code;
1052         u8 reserved4;
1053 #elif defined(__LITTLE_ENDIAN)
1054         u8 reserved4;
1055         u8 err_code;
1056         u16 reserved5;
1057 #endif
1058         u32 reserved6[3];
1059 #if defined(__BIG_ENDIAN)
1060         u16 time_to_wait;
1061         u16 time_to_retain;
1062 #elif defined(__LITTLE_ENDIAN)
1063         u16 time_to_retain;
1064         u16 time_to_wait;
1065 #endif
1066         u32 reserved7[3];
1067 #if defined(__BIG_ENDIAN)
1068         u16 reserved8;
1069         u16 itt;
1070 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1071 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1072 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1073 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1074 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved8;
1081 #endif
1082         u32 cq_req_sn;
1083 };
1084
1085
1086 /*
1087  * iSCSI Nop-In CQE
1088  */
1089 struct bnx2i_nop_in_msg {
1090 #if defined(__BIG_ENDIAN)
1091         u8 op_code;
1092         u8 reserved1;
1093         u16 reserved0;
1094 #elif defined(__LITTLE_ENDIAN)
1095         u16 reserved0;
1096         u8 reserved1;
1097         u8 op_code;
1098 #endif
1099         u32 data_length;
1100         u32 exp_cmd_sn;
1101         u32 max_cmd_sn;
1102         u32 ttt;
1103         u32 reserved2;
1104 #if defined(__BIG_ENDIAN)
1105         u16 reserved4;
1106         u8 err_code;
1107         u8 reserved3;
1108 #elif defined(__LITTLE_ENDIAN)
1109         u8 reserved3;
1110         u8 err_code;
1111         u16 reserved4;
1112 #endif
1113         u32 reserved5;
1114         u32 lun[2];
1115         u32 reserved6[4];
1116 #if defined(__BIG_ENDIAN)
1117         u16 reserved7;
1118         u16 itt;
1119 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1120 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1121 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1122 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1123 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved7;
1130 #endif
1131         u32 cq_req_sn;
1132 };
1133
1134
1135 /*
1136  * iSCSI NOP-OUT SQ WQE
1137  */
1138 struct bnx2i_nop_out_request {
1139 #if defined(__BIG_ENDIAN)
1140         u8 op_code;
1141         u8 op_attr;
1142 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1143 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1144 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1145 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1146         u16 reserved0;
1147 #elif defined(__LITTLE_ENDIAN)
1148         u16 reserved0;
1149         u8 op_attr;
1150 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1151 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1152 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1153 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1154         u8 op_code;
1155 #endif
1156         u32 data_length;
1157         u32 lun[2];
1158 #if defined(__BIG_ENDIAN)
1159         u16 reserved2;
1160         u16 itt;
1161 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1162 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1163 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1164 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1165 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved2;
1172 #endif
1173         u32 ttt;
1174         u32 cmd_sn;
1175         u32 reserved3[2];
1176         u32 resp_bd_list_addr_lo;
1177         u32 resp_bd_list_addr_hi;
1178         u32 resp_buffer;
1179 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1180 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1181 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1182 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1183 #if defined(__BIG_ENDIAN)
1184         u16 reserved7;
1185         u8 reserved6;
1186         u8 flags;
1187 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1188 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1189 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1190 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1191 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1192 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1193 #elif defined(__LITTLE_ENDIAN)
1194         u8 flags;
1195 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1196 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1197 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1198 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1199 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1200 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1201         u8 reserved6;
1202         u16 reserved7;
1203 #endif
1204         u32 bd_list_addr_lo;
1205         u32 bd_list_addr_hi;
1206 #if defined(__BIG_ENDIAN)
1207         u8 cq_index;
1208         u8 reserved9;
1209         u8 reserved8;
1210         u8 num_bds;
1211 #elif defined(__LITTLE_ENDIAN)
1212         u8 num_bds;
1213         u8 reserved8;
1214         u8 reserved9;
1215         u8 cq_index;
1216 #endif
1217 };
1218
1219 /*
1220  * iSCSI Reject CQE
1221  */
1222 struct bnx2i_reject_msg {
1223 #if defined(__BIG_ENDIAN)
1224         u8 op_code;
1225         u8 reserved1;
1226         u8 reason;
1227         u8 reserved0;
1228 #elif defined(__LITTLE_ENDIAN)
1229         u8 reserved0;
1230         u8 reason;
1231         u8 reserved1;
1232         u8 op_code;
1233 #endif
1234         u32 data_length;
1235         u32 exp_cmd_sn;
1236         u32 max_cmd_sn;
1237         u32 reserved2[2];
1238 #if defined(__BIG_ENDIAN)
1239         u16 reserved4;
1240         u8 err_code;
1241         u8 reserved3;
1242 #elif defined(__LITTLE_ENDIAN)
1243         u8 reserved3;
1244         u8 err_code;
1245         u16 reserved4;
1246 #endif
1247         u32 reserved5[8];
1248         u32 cq_req_sn;
1249 };
1250
1251 /*
1252  * bnx2i iSCSI TMF SQ WQE
1253  */
1254 struct bnx2i_tmf_request {
1255 #if defined(__BIG_ENDIAN)
1256         u8 op_code;
1257         u8 op_attr;
1258 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1259 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1260 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1261 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1262         u16 reserved0;
1263 #elif defined(__LITTLE_ENDIAN)
1264         u16 reserved0;
1265         u8 op_attr;
1266 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1267 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1268 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1269 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1270         u8 op_code;
1271 #endif
1272         u32 data_length;
1273         u32 lun[2];
1274 #if defined(__BIG_ENDIAN)
1275         u16 reserved1;
1276         u16 itt;
1277 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1278 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1279 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1280 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1281 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved1;
1288 #endif
1289         u32 ref_itt;
1290         u32 cmd_sn;
1291         u32 reserved2;
1292         u32 ref_cmd_sn;
1293         u32 reserved3[3];
1294         u32 zero_fill;
1295         u32 bd_list_addr_lo;
1296         u32 bd_list_addr_hi;
1297 #if defined(__BIG_ENDIAN)
1298         u8 cq_index;
1299         u8 reserved5;
1300         u8 reserved4;
1301         u8 num_bds;
1302 #elif defined(__LITTLE_ENDIAN)
1303         u8 num_bds;
1304         u8 reserved4;
1305         u8 reserved5;
1306         u8 cq_index;
1307 #endif
1308 };
1309
1310 /*
1311  * iSCSI Text SQ WQE
1312  */
1313 struct bnx2i_text_request {
1314 #if defined(__BIG_ENDIAN)
1315         u8 op_code;
1316         u8 op_attr;
1317 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1318 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1319 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1320 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1321 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1322 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1323         u16 reserved0;
1324 #elif defined(__LITTLE_ENDIAN)
1325         u16 reserved0;
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         u8 op_code;
1334 #endif
1335         u32 data_length;
1336         u32 lun[2];
1337 #if defined(__BIG_ENDIAN)
1338         u16 reserved3;
1339         u16 itt;
1340 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1341 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1342 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1343 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1344 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved3;
1351 #endif
1352         u32 ttt;
1353         u32 cmd_sn;
1354         u32 reserved4[2];
1355         u32 resp_bd_list_addr_lo;
1356         u32 resp_bd_list_addr_hi;
1357         u32 resp_buffer;
1358 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1359 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1360 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1361 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1362         u32 zero_fill;
1363         u32 bd_list_addr_lo;
1364         u32 bd_list_addr_hi;
1365 #if defined(__BIG_ENDIAN)
1366         u8 cq_index;
1367         u8 reserved7;
1368         u8 reserved6;
1369         u8 num_bds;
1370 #elif defined(__LITTLE_ENDIAN)
1371         u8 num_bds;
1372         u8 reserved6;
1373         u8 reserved7;
1374         u8 cq_index;
1375 #endif
1376 };
1377
1378 /*
1379  * iSCSI SQ WQE
1380  */
1381 union iscsi_request {
1382         struct bnx2i_cmd_request cmd;
1383         struct bnx2i_tmf_request tmf;
1384         struct bnx2i_nop_out_request nop_out;
1385         struct bnx2i_login_request login_req;
1386         struct bnx2i_text_request text;
1387         struct bnx2i_logout_request logout_req;
1388         struct bnx2i_cleanup_request cleanup;
1389 };
1390
1391
1392 /*
1393  * iSCSI TMF CQE
1394  */
1395 struct bnx2i_tmf_response {
1396 #if defined(__BIG_ENDIAN)
1397         u8 op_code;
1398         u8 reserved1;
1399         u8 response;
1400         u8 reserved0;
1401 #elif defined(__LITTLE_ENDIAN)
1402         u8 reserved0;
1403         u8 response;
1404         u8 reserved1;
1405         u8 op_code;
1406 #endif
1407         u32 reserved2;
1408         u32 exp_cmd_sn;
1409         u32 max_cmd_sn;
1410         u32 reserved3[2];
1411 #if defined(__BIG_ENDIAN)
1412         u16 reserved5;
1413         u8 err_code;
1414         u8 reserved4;
1415 #elif defined(__LITTLE_ENDIAN)
1416         u8 reserved4;
1417         u8 err_code;
1418         u16 reserved5;
1419 #endif
1420         u32 reserved6[7];
1421 #if defined(__BIG_ENDIAN)
1422         u16 reserved7;
1423         u16 itt;
1424 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1425 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1426 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1427 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1428 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved7;
1435 #endif
1436         u32 cq_req_sn;
1437 };
1438
1439 /*
1440  * iSCSI Text CQE
1441  */
1442 struct bnx2i_text_response {
1443 #if defined(__BIG_ENDIAN)
1444         u8 op_code;
1445         u8 response_flags;
1446 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1447 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1448 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1449 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1450 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1451 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1452         u16 reserved0;
1453 #elif defined(__LITTLE_ENDIAN)
1454         u16 reserved0;
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         u8 op_code;
1463 #endif
1464         u32 data_length;
1465         u32 exp_cmd_sn;
1466         u32 max_cmd_sn;
1467         u32 ttt;
1468         u32 reserved2;
1469 #if defined(__BIG_ENDIAN)
1470         u16 reserved4;
1471         u8 err_code;
1472         u8 reserved3;
1473 #elif defined(__LITTLE_ENDIAN)
1474         u8 reserved3;
1475         u8 err_code;
1476         u16 reserved4;
1477 #endif
1478         u32 reserved5;
1479         u32 lun[2];
1480         u32 reserved6[4];
1481 #if defined(__BIG_ENDIAN)
1482         u16 reserved7;
1483         u16 itt;
1484 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1485 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1486 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1487 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1488 #elif defined(__LITTLE_ENDIAN)
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         u16 reserved7;
1495 #endif
1496         u32 cq_req_sn;
1497 };
1498
1499 /*
1500  * iSCSI CQE
1501  */
1502 union iscsi_response {
1503         struct bnx2i_cmd_response cmd;
1504         struct bnx2i_tmf_response tmf;
1505         struct bnx2i_login_response login_resp;
1506         struct bnx2i_text_response text;
1507         struct bnx2i_logout_response logout_resp;
1508         struct bnx2i_cleanup_response cleanup;
1509         struct bnx2i_reject_msg reject;
1510         struct bnx2i_async_msg async;
1511         struct bnx2i_nop_in_msg nop_in;
1512 };
1513
1514 #endif /* __57XX_ISCSI_HSI_LINUX_LE__ */