drivers/scsi/bnx2i/57xx_iscsi_hsi.h

   1 /* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
   2  *
   3  * Copyright (c) 2006 - 2010 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_RESERVED1 (0xF<<4)
 711 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
 712 #elif defined(__LITTLE_ENDIAN)
 713         u8 conn_flags;
 714 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 715 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 716 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 717 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 718 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 719 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 720 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 721 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 722 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
 723 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
 724         u8 reserved2;
 725         u8 max_outstanding_r2ts;
 726         u8 session_error_recovery_level;
 727 #endif
 728         u32 context_id;
 729         u32 max_send_pdu_length;
 730         u32 max_recv_pdu_length;
 731         u32 first_burst_length;
 732         u32 max_burst_length;
 733         u32 exp_stat_sn;
 734 };
 735
 736 /*
 737  * iSCSI destroy connection request
 738  */
 739 struct iscsi_kwqe_conn_destroy {
 740 #if defined(__BIG_ENDIAN)
 741         struct iscsi_kwqe_header hdr;
 742         u16 reserved0;
 743 #elif defined(__LITTLE_ENDIAN)
 744         u16 reserved0;
 745         struct iscsi_kwqe_header hdr;
 746 #endif
 747         u32 context_id;
 748         u32 reserved1[6];
 749 };
 750
 751 /*
 752  * iSCSI KWQ WQE
 753  */
 754 union iscsi_kwqe {
 755         struct iscsi_kwqe_init1 init1;
 756         struct iscsi_kwqe_init2 init2;
 757         struct iscsi_kwqe_conn_offload1 conn_offload1;
 758         struct iscsi_kwqe_conn_offload2 conn_offload2;
 759         struct iscsi_kwqe_conn_update conn_update;
 760         struct iscsi_kwqe_conn_destroy conn_destroy;
 761 };
 762
 763 /*
 764  * iSCSI Login SQ WQE
 765  */
 766 struct bnx2i_login_request {
 767 #if defined(__BIG_ENDIAN)
 768         u8 op_code;
 769         u8 op_attr;
 770 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 771 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 772 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 773 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 774 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 775 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 776 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 777 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 778 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 779 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 780         u8 version_max;
 781         u8 version_min;
 782 #elif defined(__LITTLE_ENDIAN)
 783         u8 version_min;
 784         u8 version_max;
 785         u8 op_attr;
 786 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 787 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 788 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 789 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 790 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 791 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 792 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 793 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 794 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 795 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 796         u8 op_code;
 797 #endif
 798         u32 data_length;
 799         u32 isid_lo;
 800 #if defined(__BIG_ENDIAN)
 801         u16 isid_hi;
 802         u16 tsih;
 803 #elif defined(__LITTLE_ENDIAN)
 804         u16 tsih;
 805         u16 isid_hi;
 806 #endif
 807 #if defined(__BIG_ENDIAN)
 808         u16 reserved2;
 809         u16 itt;
 810 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 811 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 812 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 813 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 814 #elif defined(__LITTLE_ENDIAN)
 815         u16 itt;
 816 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 817 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 818 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 819 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 820         u16 reserved2;
 821 #endif
 822 #if defined(__BIG_ENDIAN)
 823         u16 cid;
 824         u16 reserved3;
 825 #elif defined(__LITTLE_ENDIAN)
 826         u16 reserved3;
 827         u16 cid;
 828 #endif
 829         u32 cmd_sn;
 830         u32 exp_stat_sn;
 831         u32 reserved4;
 832         u32 resp_bd_list_addr_lo;
 833         u32 resp_bd_list_addr_hi;
 834         u32 resp_buffer;
 835 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 836 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 837 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
 838 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
 839 #if defined(__BIG_ENDIAN)
 840         u16 reserved8;
 841         u8 reserved7;
 842         u8 flags;
 843 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 844 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 845 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 846 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 847 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 848 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 849 #elif defined(__LITTLE_ENDIAN)
 850         u8 flags;
 851 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 852 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 853 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 854 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 855 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 856 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 857         u8 reserved7;
 858         u16 reserved8;
 859 #endif
 860         u32 bd_list_addr_lo;
 861         u32 bd_list_addr_hi;
 862 #if defined(__BIG_ENDIAN)
 863         u8 cq_index;
 864         u8 reserved10;
 865         u8 reserved9;
 866         u8 num_bds;
 867 #elif defined(__LITTLE_ENDIAN)
 868         u8 num_bds;
 869         u8 reserved9;
 870         u8 reserved10;
 871         u8 cq_index;
 872 #endif
 873 };
 874
 875
 876 /*
 877  * iSCSI Login CQE
 878  */
 879 struct bnx2i_login_response {
 880 #if defined(__BIG_ENDIAN)
 881         u8 op_code;
 882         u8 response_flags;
 883 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 884 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 885 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 886 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 887 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 888 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 889 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 890 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 891 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 892 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 893         u8 version_max;
 894         u8 version_active;
 895 #elif defined(__LITTLE_ENDIAN)
 896         u8 version_active;
 897         u8 version_max;
 898         u8 response_flags;
 899 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 900 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 901 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 902 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 903 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 904 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 905 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 906 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 907 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 908 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 909         u8 op_code;
 910 #endif
 911         u32 data_length;
 912         u32 exp_cmd_sn;
 913         u32 max_cmd_sn;
 914         u32 reserved1[2];
 915 #if defined(__BIG_ENDIAN)
 916         u16 reserved3;
 917         u8 err_code;
 918         u8 reserved2;
 919 #elif defined(__LITTLE_ENDIAN)
 920         u8 reserved2;
 921         u8 err_code;
 922         u16 reserved3;
 923 #endif
 924         u32 stat_sn;
 925         u32 isid_lo;
 926 #if defined(__BIG_ENDIAN)
 927         u16 isid_hi;
 928         u16 tsih;
 929 #elif defined(__LITTLE_ENDIAN)
 930         u16 tsih;
 931         u16 isid_hi;
 932 #endif
 933 #if defined(__BIG_ENDIAN)
 934         u8 status_class;
 935         u8 status_detail;
 936         u16 reserved4;
 937 #elif defined(__LITTLE_ENDIAN)
 938         u16 reserved4;
 939         u8 status_detail;
 940         u8 status_class;
 941 #endif
 942         u32 reserved5[3];
 943 #if defined(__BIG_ENDIAN)
 944         u16 reserved6;
 945         u16 itt;
 946 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 947 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 948 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 949 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 950 #elif defined(__LITTLE_ENDIAN)
 951         u16 itt;
 952 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 953 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 954 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 955 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 956         u16 reserved6;
 957 #endif
 958         u32 cq_req_sn;
 959 };
 960
 961
 962 /*
 963  * iSCSI Logout SQ WQE
 964  */
 965 struct bnx2i_logout_request {
 966 #if defined(__BIG_ENDIAN)
 967         u8 op_code;
 968         u8 op_attr;
 969 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 970 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 971 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 972 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 973         u16 reserved0;
 974 #elif defined(__LITTLE_ENDIAN)
 975         u16 reserved0;
 976         u8 op_attr;
 977 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 978 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 979 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 980 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 981         u8 op_code;
 982 #endif
 983         u32 data_length;
 984         u32 reserved1[2];
 985 #if defined(__BIG_ENDIAN)
 986         u16 reserved2;
 987         u16 itt;
 988 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 989 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
 990 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
 991 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
 992 #elif defined(__LITTLE_ENDIAN)
 993         u16 itt;
 994 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 995 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
 996 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
 997 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
 998         u16 reserved2;
 999 #endif
1000 #if defined(__BIG_ENDIAN)
1001         u16 cid;
1002         u16 reserved3;
1003 #elif defined(__LITTLE_ENDIAN)
1004         u16 reserved3;
1005         u16 cid;
1006 #endif
1007         u32 cmd_sn;
1008         u32 reserved4[5];
1009         u32 zero_fill;
1010         u32 bd_list_addr_lo;
1011         u32 bd_list_addr_hi;
1012 #if defined(__BIG_ENDIAN)
1013         u8 cq_index;
1014         u8 reserved6;
1015         u8 reserved5;
1016         u8 num_bds;
1017 #elif defined(__LITTLE_ENDIAN)
1018         u8 num_bds;
1019         u8 reserved5;
1020         u8 reserved6;
1021         u8 cq_index;
1022 #endif
1023 };
1024
1025
1026 /*
1027  * iSCSI Logout CQE
1028  */
1029 struct bnx2i_logout_response {
1030 #if defined(__BIG_ENDIAN)
1031         u8 op_code;
1032         u8 reserved1;
1033         u8 response;
1034         u8 reserved0;
1035 #elif defined(__LITTLE_ENDIAN)
1036         u8 reserved0;
1037         u8 response;
1038         u8 reserved1;
1039         u8 op_code;
1040 #endif
1041         u32 reserved2;
1042         u32 exp_cmd_sn;
1043         u32 max_cmd_sn;
1044         u32 reserved3[2];
1045 #if defined(__BIG_ENDIAN)
1046         u16 reserved5;
1047         u8 err_code;
1048         u8 reserved4;
1049 #elif defined(__LITTLE_ENDIAN)
1050         u8 reserved4;
1051         u8 err_code;
1052         u16 reserved5;
1053 #endif
1054         u32 reserved6[3];
1055 #if defined(__BIG_ENDIAN)
1056         u16 time_to_wait;
1057         u16 time_to_retain;
1058 #elif defined(__LITTLE_ENDIAN)
1059         u16 time_to_retain;
1060         u16 time_to_wait;
1061 #endif
1062         u32 reserved7[3];
1063 #if defined(__BIG_ENDIAN)
1064         u16 reserved8;
1065         u16 itt;
1066 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1067 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1068 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1069 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1070 #elif defined(__LITTLE_ENDIAN)
1071         u16 itt;
1072 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1073 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1074 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1075 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1076         u16 reserved8;
1077 #endif
1078         u32 cq_req_sn;
1079 };
1080
1081
1082 /*
1083  * iSCSI Nop-In CQE
1084  */
1085 struct bnx2i_nop_in_msg {
1086 #if defined(__BIG_ENDIAN)
1087         u8 op_code;
1088         u8 reserved1;
1089         u16 reserved0;
1090 #elif defined(__LITTLE_ENDIAN)
1091         u16 reserved0;
1092         u8 reserved1;
1093         u8 op_code;
1094 #endif
1095         u32 data_length;
1096         u32 exp_cmd_sn;
1097         u32 max_cmd_sn;
1098         u32 ttt;
1099         u32 reserved2;
1100 #if defined(__BIG_ENDIAN)
1101         u16 reserved4;
1102         u8 err_code;
1103         u8 reserved3;
1104 #elif defined(__LITTLE_ENDIAN)
1105         u8 reserved3;
1106         u8 err_code;
1107         u16 reserved4;
1108 #endif
1109         u32 reserved5;
1110         u32 lun[2];
1111         u32 reserved6[4];
1112 #if defined(__BIG_ENDIAN)
1113         u16 reserved7;
1114         u16 itt;
1115 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1116 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1117 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1118 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1119 #elif defined(__LITTLE_ENDIAN)
1120         u16 itt;
1121 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1122 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1123 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1124 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1125         u16 reserved7;
1126 #endif
1127         u32 cq_req_sn;
1128 };
1129
1130
1131 /*
1132  * iSCSI NOP-OUT SQ WQE
1133  */
1134 struct bnx2i_nop_out_request {
1135 #if defined(__BIG_ENDIAN)
1136         u8 op_code;
1137         u8 op_attr;
1138 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1139 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1140 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1141 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1142         u16 reserved0;
1143 #elif defined(__LITTLE_ENDIAN)
1144         u16 reserved0;
1145         u8 op_attr;
1146 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1147 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1148 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1149 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1150         u8 op_code;
1151 #endif
1152         u32 data_length;
1153         u32 lun[2];
1154 #if defined(__BIG_ENDIAN)
1155         u16 reserved2;
1156         u16 itt;
1157 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1158 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1159 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1160 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1161 #elif defined(__LITTLE_ENDIAN)
1162         u16 itt;
1163 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1164 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1165 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1166 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1167         u16 reserved2;
1168 #endif
1169         u32 ttt;
1170         u32 cmd_sn;
1171         u32 reserved3[2];
1172         u32 resp_bd_list_addr_lo;
1173         u32 resp_bd_list_addr_hi;
1174         u32 resp_buffer;
1175 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1176 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1177 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1178 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1179 #if defined(__BIG_ENDIAN)
1180         u16 reserved7;
1181         u8 reserved6;
1182         u8 flags;
1183 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1184 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1185 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1186 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1187 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1188 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1189 #elif defined(__LITTLE_ENDIAN)
1190         u8 flags;
1191 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1192 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1193 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1194 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1195 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1196 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1197         u8 reserved6;
1198         u16 reserved7;
1199 #endif
1200         u32 bd_list_addr_lo;
1201         u32 bd_list_addr_hi;
1202 #if defined(__BIG_ENDIAN)
1203         u8 cq_index;
1204         u8 reserved9;
1205         u8 reserved8;
1206         u8 num_bds;
1207 #elif defined(__LITTLE_ENDIAN)
1208         u8 num_bds;
1209         u8 reserved8;
1210         u8 reserved9;
1211         u8 cq_index;
1212 #endif
1213 };
1214
1215 /*
1216  * iSCSI Reject CQE
1217  */
1218 struct bnx2i_reject_msg {
1219 #if defined(__BIG_ENDIAN)
1220         u8 op_code;
1221         u8 reserved1;
1222         u8 reason;
1223         u8 reserved0;
1224 #elif defined(__LITTLE_ENDIAN)
1225         u8 reserved0;
1226         u8 reason;
1227         u8 reserved1;
1228         u8 op_code;
1229 #endif
1230         u32 data_length;
1231         u32 exp_cmd_sn;
1232         u32 max_cmd_sn;
1233         u32 reserved2[2];
1234 #if defined(__BIG_ENDIAN)
1235         u16 reserved4;
1236         u8 err_code;
1237         u8 reserved3;
1238 #elif defined(__LITTLE_ENDIAN)
1239         u8 reserved3;
1240         u8 err_code;
1241         u16 reserved4;
1242 #endif
1243         u32 reserved5[8];
1244         u32 cq_req_sn;
1245 };
1246
1247 /*
1248  * bnx2i iSCSI TMF SQ WQE
1249  */
1250 struct bnx2i_tmf_request {
1251 #if defined(__BIG_ENDIAN)
1252         u8 op_code;
1253         u8 op_attr;
1254 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1255 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1256 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1257 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1258         u16 reserved0;
1259 #elif defined(__LITTLE_ENDIAN)
1260         u16 reserved0;
1261         u8 op_attr;
1262 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1263 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1264 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1265 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1266         u8 op_code;
1267 #endif
1268         u32 data_length;
1269         u32 lun[2];
1270 #if defined(__BIG_ENDIAN)
1271         u16 reserved1;
1272         u16 itt;
1273 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1274 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1275 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1276 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1277 #elif defined(__LITTLE_ENDIAN)
1278         u16 itt;
1279 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1280 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1281 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1282 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1283         u16 reserved1;
1284 #endif
1285         u32 ref_itt;
1286         u32 cmd_sn;
1287         u32 reserved2;
1288         u32 ref_cmd_sn;
1289         u32 reserved3[3];
1290         u32 zero_fill;
1291         u32 bd_list_addr_lo;
1292         u32 bd_list_addr_hi;
1293 #if defined(__BIG_ENDIAN)
1294         u8 cq_index;
1295         u8 reserved5;
1296         u8 reserved4;
1297         u8 num_bds;
1298 #elif defined(__LITTLE_ENDIAN)
1299         u8 num_bds;
1300         u8 reserved4;
1301         u8 reserved5;
1302         u8 cq_index;
1303 #endif
1304 };
1305
1306 /*
1307  * iSCSI Text SQ WQE
1308  */
1309 struct bnx2i_text_request {
1310 #if defined(__BIG_ENDIAN)
1311         u8 op_code;
1312         u8 op_attr;
1313 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1314 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1315 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1316 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1317 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1318 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1319         u16 reserved0;
1320 #elif defined(__LITTLE_ENDIAN)
1321         u16 reserved0;
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         u8 op_code;
1330 #endif
1331         u32 data_length;
1332         u32 lun[2];
1333 #if defined(__BIG_ENDIAN)
1334         u16 reserved3;
1335         u16 itt;
1336 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1337 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1338 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1339 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1340 #elif defined(__LITTLE_ENDIAN)
1341         u16 itt;
1342 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1343 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1344 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1345 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1346         u16 reserved3;
1347 #endif
1348         u32 ttt;
1349         u32 cmd_sn;
1350         u32 reserved4[2];
1351         u32 resp_bd_list_addr_lo;
1352         u32 resp_bd_list_addr_hi;
1353         u32 resp_buffer;
1354 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1355 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1356 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1357 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1358         u32 zero_fill;
1359         u32 bd_list_addr_lo;
1360         u32 bd_list_addr_hi;
1361 #if defined(__BIG_ENDIAN)
1362         u8 cq_index;
1363         u8 reserved7;
1364         u8 reserved6;
1365         u8 num_bds;
1366 #elif defined(__LITTLE_ENDIAN)
1367         u8 num_bds;
1368         u8 reserved6;
1369         u8 reserved7;
1370         u8 cq_index;
1371 #endif
1372 };
1373
1374 /*
1375  * iSCSI SQ WQE
1376  */
1377 union iscsi_request {
1378         struct bnx2i_cmd_request cmd;
1379         struct bnx2i_tmf_request tmf;
1380         struct bnx2i_nop_out_request nop_out;
1381         struct bnx2i_login_request login_req;
1382         struct bnx2i_text_request text;
1383         struct bnx2i_logout_request logout_req;
1384         struct bnx2i_cleanup_request cleanup;
1385 };
1386
1387
1388 /*
1389  * iSCSI TMF CQE
1390  */
1391 struct bnx2i_tmf_response {
1392 #if defined(__BIG_ENDIAN)
1393         u8 op_code;
1394         u8 reserved1;
1395         u8 response;
1396         u8 reserved0;
1397 #elif defined(__LITTLE_ENDIAN)
1398         u8 reserved0;
1399         u8 response;
1400         u8 reserved1;
1401         u8 op_code;
1402 #endif
1403         u32 reserved2;
1404         u32 exp_cmd_sn;
1405         u32 max_cmd_sn;
1406         u32 reserved3[2];
1407 #if defined(__BIG_ENDIAN)
1408         u16 reserved5;
1409         u8 err_code;
1410         u8 reserved4;
1411 #elif defined(__LITTLE_ENDIAN)
1412         u8 reserved4;
1413         u8 err_code;
1414         u16 reserved5;
1415 #endif
1416         u32 reserved6[7];
1417 #if defined(__BIG_ENDIAN)
1418         u16 reserved7;
1419         u16 itt;
1420 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1421 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1422 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1423 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1424 #elif defined(__LITTLE_ENDIAN)
1425         u16 itt;
1426 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1427 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1428 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1429 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1430         u16 reserved7;
1431 #endif
1432         u32 cq_req_sn;
1433 };
1434
1435 /*
1436  * iSCSI Text CQE
1437  */
1438 struct bnx2i_text_response {
1439 #if defined(__BIG_ENDIAN)
1440         u8 op_code;
1441         u8 response_flags;
1442 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1443 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1444 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1445 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1446 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1447 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1448         u16 reserved0;
1449 #elif defined(__LITTLE_ENDIAN)
1450         u16 reserved0;
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         u8 op_code;
1459 #endif
1460         u32 data_length;
1461         u32 exp_cmd_sn;
1462         u32 max_cmd_sn;
1463         u32 ttt;
1464         u32 reserved2;
1465 #if defined(__BIG_ENDIAN)
1466         u16 reserved4;
1467         u8 err_code;
1468         u8 reserved3;
1469 #elif defined(__LITTLE_ENDIAN)
1470         u8 reserved3;
1471         u8 err_code;
1472         u16 reserved4;
1473 #endif
1474         u32 reserved5;
1475         u32 lun[2];
1476         u32 reserved6[4];
1477 #if defined(__BIG_ENDIAN)
1478         u16 reserved7;
1479         u16 itt;
1480 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1481 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1482 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1483 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1484 #elif defined(__LITTLE_ENDIAN)
1485         u16 itt;
1486 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1487 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1488 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1489 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1490         u16 reserved7;
1491 #endif
1492         u32 cq_req_sn;
1493 };
1494
1495 /*
1496  * iSCSI CQE
1497  */
1498 union iscsi_response {
1499         struct bnx2i_cmd_response cmd;
1500         struct bnx2i_tmf_response tmf;
1501         struct bnx2i_login_response login_resp;
1502         struct bnx2i_text_response text;
1503         struct bnx2i_logout_response logout_resp;
1504         struct bnx2i_cleanup_response cleanup;
1505         struct bnx2i_reject_msg reject;
1506         struct bnx2i_async_msg async;
1507         struct bnx2i_nop_in_msg nop_in;
1508 };
1509
1510 #endif /* __57XX_ISCSI_HSI_LINUX_LE__ */