drivers/scsi/bnx2i/57xx_iscsi_hsi.h

   1 /* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
   2  *
   3  * Copyright (c) 2006 - 2009 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  */
  11 #ifndef __57XX_ISCSI_HSI_LINUX_LE__
  12 #define __57XX_ISCSI_HSI_LINUX_LE__
  13
  14 /*
  15  * iSCSI Async CQE
  16  */
  17 struct bnx2i_async_msg {
  18 #if defined(__BIG_ENDIAN)
  19         u8 op_code;
  20         u8 reserved1;
  21         u16 reserved0;
  22 #elif defined(__LITTLE_ENDIAN)
  23         u16 reserved0;
  24         u8 reserved1;
  25         u8 op_code;
  26 #endif
  27         u32 reserved2;
  28         u32 exp_cmd_sn;
  29         u32 max_cmd_sn;
  30         u32 reserved3[2];
  31 #if defined(__BIG_ENDIAN)
  32         u16 reserved5;
  33         u8 err_code;
  34         u8 reserved4;
  35 #elif defined(__LITTLE_ENDIAN)
  36         u8 reserved4;
  37         u8 err_code;
  38         u16 reserved5;
  39 #endif
  40         u32 reserved6;
  41         u32 lun[2];
  42 #if defined(__BIG_ENDIAN)
  43         u8 async_event;
  44         u8 async_vcode;
  45         u16 param1;
  46 #elif defined(__LITTLE_ENDIAN)
  47         u16 param1;
  48         u8 async_vcode;
  49         u8 async_event;
  50 #endif
  51 #if defined(__BIG_ENDIAN)
  52         u16 param2;
  53         u16 param3;
  54 #elif defined(__LITTLE_ENDIAN)
  55         u16 param3;
  56         u16 param2;
  57 #endif
  58         u32 reserved7[3];
  59         u32 cq_req_sn;
  60 };
  61
  62
  63 /*
  64  * iSCSI Buffer Descriptor (BD)
  65  */
  66 struct iscsi_bd {
  67         u32 buffer_addr_hi;
  68         u32 buffer_addr_lo;
  69 #if defined(__BIG_ENDIAN)
  70         u16 reserved0;
  71         u16 buffer_length;
  72 #elif defined(__LITTLE_ENDIAN)
  73         u16 buffer_length;
  74         u16 reserved0;
  75 #endif
  76 #if defined(__BIG_ENDIAN)
  77         u16 reserved3;
  78         u16 flags;
  79 #define ISCSI_BD_RESERVED1 (0x3F<<0)
  80 #define ISCSI_BD_RESERVED1_SHIFT 0
  81 #define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
  82 #define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
  83 #define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
  84 #define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
  85 #define ISCSI_BD_RESERVED2 (0xFF<<8)
  86 #define ISCSI_BD_RESERVED2_SHIFT 8
  87 #elif defined(__LITTLE_ENDIAN)
  88         u16 flags;
  89 #define ISCSI_BD_RESERVED1 (0x3F<<0)
  90 #define ISCSI_BD_RESERVED1_SHIFT 0
  91 #define ISCSI_BD_LAST_IN_BD_CHAIN (0x1<<6)
  92 #define ISCSI_BD_LAST_IN_BD_CHAIN_SHIFT 6
  93 #define ISCSI_BD_FIRST_IN_BD_CHAIN (0x1<<7)
  94 #define ISCSI_BD_FIRST_IN_BD_CHAIN_SHIFT 7
  95 #define ISCSI_BD_RESERVED2 (0xFF<<8)
  96 #define ISCSI_BD_RESERVED2_SHIFT 8
  97         u16 reserved3;
  98 #endif
  99 };
 100
 101
 102 /*
 103  * iSCSI Cleanup SQ WQE
 104  */
 105 struct bnx2i_cleanup_request {
 106 #if defined(__BIG_ENDIAN)
 107         u8 op_code;
 108         u8 reserved1;
 109         u16 reserved0;
 110 #elif defined(__LITTLE_ENDIAN)
 111         u16 reserved0;
 112         u8 reserved1;
 113         u8 op_code;
 114 #endif
 115         u32 reserved2[3];
 116 #if defined(__BIG_ENDIAN)
 117         u16 reserved3;
 118         u16 itt;
 119 #define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
 120 #define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
 121 #define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
 122 #define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
 123 #elif defined(__LITTLE_ENDIAN)
 124         u16 itt;
 125 #define ISCSI_CLEANUP_REQUEST_INDEX (0x3FFF<<0)
 126 #define ISCSI_CLEANUP_REQUEST_INDEX_SHIFT 0
 127 #define ISCSI_CLEANUP_REQUEST_TYPE (0x3<<14)
 128 #define ISCSI_CLEANUP_REQUEST_TYPE_SHIFT 14
 129         u16 reserved3;
 130 #endif
 131         u32 reserved4[10];
 132 #if defined(__BIG_ENDIAN)
 133         u8 cq_index;
 134         u8 reserved6;
 135         u16 reserved5;
 136 #elif defined(__LITTLE_ENDIAN)
 137         u16 reserved5;
 138         u8 reserved6;
 139         u8 cq_index;
 140 #endif
 141 };
 142
 143
 144 /*
 145  * iSCSI Cleanup CQE
 146  */
 147 struct bnx2i_cleanup_response {
 148 #if defined(__BIG_ENDIAN)
 149         u8 op_code;
 150         u8 status;
 151         u16 reserved0;
 152 #elif defined(__LITTLE_ENDIAN)
 153         u16 reserved0;
 154         u8 status;
 155         u8 op_code;
 156 #endif
 157         u32 reserved1[3];
 158         u32 reserved2[2];
 159 #if defined(__BIG_ENDIAN)
 160         u16 reserved4;
 161         u8 err_code;
 162         u8 reserved3;
 163 #elif defined(__LITTLE_ENDIAN)
 164         u8 reserved3;
 165         u8 err_code;
 166         u16 reserved4;
 167 #endif
 168         u32 reserved5[7];
 169 #if defined(__BIG_ENDIAN)
 170         u16 reserved6;
 171         u16 itt;
 172 #define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
 173 #define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
 174 #define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
 175 #define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
 176 #elif defined(__LITTLE_ENDIAN)
 177         u16 itt;
 178 #define ISCSI_CLEANUP_RESPONSE_INDEX (0x3FFF<<0)
 179 #define ISCSI_CLEANUP_RESPONSE_INDEX_SHIFT 0
 180 #define ISCSI_CLEANUP_RESPONSE_TYPE (0x3<<14)
 181 #define ISCSI_CLEANUP_RESPONSE_TYPE_SHIFT 14
 182         u16 reserved6;
 183 #endif
 184         u32 cq_req_sn;
 185 };
 186
 187
 188 /*
 189  * SCSI read/write SQ WQE
 190  */
 191 struct bnx2i_cmd_request {
 192 #if defined(__BIG_ENDIAN)
 193         u8 op_code;
 194         u8 op_attr;
 195 #define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
 196 #define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
 197 #define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
 198 #define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
 199 #define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
 200 #define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
 201 #define ISCSI_CMD_REQUEST_READ (0x1<<6)
 202 #define ISCSI_CMD_REQUEST_READ_SHIFT 6
 203 #define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
 204 #define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
 205         u16 reserved0;
 206 #elif defined(__LITTLE_ENDIAN)
 207         u16 reserved0;
 208         u8 op_attr;
 209 #define ISCSI_CMD_REQUEST_TASK_ATTR (0x7<<0)
 210 #define ISCSI_CMD_REQUEST_TASK_ATTR_SHIFT 0
 211 #define ISCSI_CMD_REQUEST_RESERVED1 (0x3<<3)
 212 #define ISCSI_CMD_REQUEST_RESERVED1_SHIFT 3
 213 #define ISCSI_CMD_REQUEST_WRITE (0x1<<5)
 214 #define ISCSI_CMD_REQUEST_WRITE_SHIFT 5
 215 #define ISCSI_CMD_REQUEST_READ (0x1<<6)
 216 #define ISCSI_CMD_REQUEST_READ_SHIFT 6
 217 #define ISCSI_CMD_REQUEST_FINAL (0x1<<7)
 218 #define ISCSI_CMD_REQUEST_FINAL_SHIFT 7
 219         u8 op_code;
 220 #endif
 221 #if defined(__BIG_ENDIAN)
 222         u16 ud_buffer_offset;
 223         u16 sd_buffer_offset;
 224 #elif defined(__LITTLE_ENDIAN)
 225         u16 sd_buffer_offset;
 226         u16 ud_buffer_offset;
 227 #endif
 228         u32 lun[2];
 229 #if defined(__BIG_ENDIAN)
 230         u16 reserved2;
 231         u16 itt;
 232 #define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
 233 #define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
 234 #define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
 235 #define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
 236 #elif defined(__LITTLE_ENDIAN)
 237         u16 itt;
 238 #define ISCSI_CMD_REQUEST_INDEX (0x3FFF<<0)
 239 #define ISCSI_CMD_REQUEST_INDEX_SHIFT 0
 240 #define ISCSI_CMD_REQUEST_TYPE (0x3<<14)
 241 #define ISCSI_CMD_REQUEST_TYPE_SHIFT 14
 242         u16 reserved2;
 243 #endif
 244         u32 total_data_transfer_length;
 245         u32 cmd_sn;
 246         u32 reserved3;
 247         u32 cdb[4];
 248         u32 zero_fill;
 249         u32 bd_list_addr_lo;
 250         u32 bd_list_addr_hi;
 251 #if defined(__BIG_ENDIAN)
 252         u8 cq_index;
 253         u8 sd_start_bd_index;
 254         u8 ud_start_bd_index;
 255         u8 num_bds;
 256 #elif defined(__LITTLE_ENDIAN)
 257         u8 num_bds;
 258         u8 ud_start_bd_index;
 259         u8 sd_start_bd_index;
 260         u8 cq_index;
 261 #endif
 262 };
 263
 264
 265 /*
 266  * task statistics for write response
 267  */
 268 struct bnx2i_write_resp_task_stat {
 269         u32 num_data_ins;
 270 };
 271
 272 /*
 273  * task statistics for read response
 274  */
 275 struct bnx2i_read_resp_task_stat {
 276 #if defined(__BIG_ENDIAN)
 277         u16 num_data_outs;
 278         u16 num_r2ts;
 279 #elif defined(__LITTLE_ENDIAN)
 280         u16 num_r2ts;
 281         u16 num_data_outs;
 282 #endif
 283 };
 284
 285 /*
 286  * task statistics for iSCSI cmd response
 287  */
 288 union bnx2i_cmd_resp_task_stat {
 289         struct bnx2i_write_resp_task_stat write_stat;
 290         struct bnx2i_read_resp_task_stat read_stat;
 291 };
 292
 293 /*
 294  * SCSI Command CQE
 295  */
 296 struct bnx2i_cmd_response {
 297 #if defined(__BIG_ENDIAN)
 298         u8 op_code;
 299         u8 response_flags;
 300 #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
 301 #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
 302 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
 303 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
 304 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
 305 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
 306 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
 307 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
 308 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
 309 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
 310 #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
 311 #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
 312         u8 response;
 313         u8 status;
 314 #elif defined(__LITTLE_ENDIAN)
 315         u8 status;
 316         u8 response;
 317         u8 response_flags;
 318 #define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
 319 #define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
 320 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
 321 #define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
 322 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
 323 #define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
 324 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
 325 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
 326 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
 327 #define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
 328 #define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
 329 #define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
 330         u8 op_code;
 331 #endif
 332         u32 data_length;
 333         u32 exp_cmd_sn;
 334         u32 max_cmd_sn;
 335         u32 reserved2;
 336         u32 residual_count;
 337 #if defined(__BIG_ENDIAN)
 338         u16 reserved4;
 339         u8 err_code;
 340         u8 reserved3;
 341 #elif defined(__LITTLE_ENDIAN)
 342         u8 reserved3;
 343         u8 err_code;
 344         u16 reserved4;
 345 #endif
 346         u32 reserved5[5];
 347         union bnx2i_cmd_resp_task_stat task_stat;
 348         u32 reserved6;
 349 #if defined(__BIG_ENDIAN)
 350         u16 reserved7;
 351         u16 itt;
 352 #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
 353 #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
 354 #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
 355 #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
 356 #elif defined(__LITTLE_ENDIAN)
 357         u16 itt;
 358 #define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
 359 #define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
 360 #define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
 361 #define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
 362         u16 reserved7;
 363 #endif
 364         u32 cq_req_sn;
 365 };
 366
 367
 368
 369 /*
 370  * firmware middle-path request SQ WQE
 371  */
 372 struct bnx2i_fw_mp_request {
 373 #if defined(__BIG_ENDIAN)
 374         u8 op_code;
 375         u8 op_attr;
 376         u16 hdr_opaque1;
 377 #elif defined(__LITTLE_ENDIAN)
 378         u16 hdr_opaque1;
 379         u8 op_attr;
 380         u8 op_code;
 381 #endif
 382         u32 data_length;
 383         u32 hdr_opaque2[2];
 384 #if defined(__BIG_ENDIAN)
 385         u16 reserved0;
 386         u16 itt;
 387 #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
 388 #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
 389 #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
 390 #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
 391 #elif defined(__LITTLE_ENDIAN)
 392         u16 itt;
 393 #define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
 394 #define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
 395 #define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
 396 #define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
 397         u16 reserved0;
 398 #endif
 399         u32 hdr_opaque3[4];
 400         u32 resp_bd_list_addr_lo;
 401         u32 resp_bd_list_addr_hi;
 402         u32 resp_buffer;
 403 #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 404 #define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 405 #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
 406 #define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
 407 #if defined(__BIG_ENDIAN)
 408         u16 reserved4;
 409         u8 reserved3;
 410         u8 flags;
 411 #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
 412 #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
 413 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
 414 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
 415 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 416 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 417 #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
 418 #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
 419 #elif defined(__LITTLE_ENDIAN)
 420         u8 flags;
 421 #define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
 422 #define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
 423 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
 424 #define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
 425 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 426 #define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 427 #define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
 428 #define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
 429         u8 reserved3;
 430         u16 reserved4;
 431 #endif
 432         u32 bd_list_addr_lo;
 433         u32 bd_list_addr_hi;
 434 #if defined(__BIG_ENDIAN)
 435         u8 cq_index;
 436         u8 reserved6;
 437         u8 reserved5;
 438         u8 num_bds;
 439 #elif defined(__LITTLE_ENDIAN)
 440         u8 num_bds;
 441         u8 reserved5;
 442         u8 reserved6;
 443         u8 cq_index;
 444 #endif
 445 };
 446
 447
 448 /*
 449  * firmware response - CQE: used only by firmware
 450  */
 451 struct bnx2i_fw_response {
 452         u32 hdr_dword1[2];
 453         u32 hdr_exp_cmd_sn;
 454         u32 hdr_max_cmd_sn;
 455         u32 hdr_ttt;
 456         u32 hdr_res_cnt;
 457         u32 cqe_flags;
 458 #define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
 459 #define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
 460 #define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
 461 #define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
 462 #define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
 463 #define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
 464         u32 stat_sn;
 465         u32 hdr_dword2[2];
 466         u32 hdr_dword3[2];
 467         u32 task_stat;
 468         u32 reserved0;
 469         u32 hdr_itt;
 470         u32 cq_req_sn;
 471 };
 472
 473
 474 /*
 475  * iSCSI KCQ CQE parameters
 476  */
 477 union iscsi_kcqe_params {
 478         u32 reserved0[4];
 479 };
 480
 481 /*
 482  * iSCSI KCQ CQE
 483  */
 484 struct iscsi_kcqe {
 485         u32 iscsi_conn_id;
 486         u32 completion_status;
 487         u32 iscsi_conn_context_id;
 488         union iscsi_kcqe_params params;
 489 #if defined(__BIG_ENDIAN)
 490         u8 flags;
 491 #define ISCSI_KCQE_RESERVED0 (0xF<<0)
 492 #define ISCSI_KCQE_RESERVED0_SHIFT 0
 493 #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
 494 #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
 495 #define ISCSI_KCQE_RESERVED1 (0x1<<7)
 496 #define ISCSI_KCQE_RESERVED1_SHIFT 7
 497         u8 op_code;
 498         u16 qe_self_seq;
 499 #elif defined(__LITTLE_ENDIAN)
 500         u16 qe_self_seq;
 501         u8 op_code;
 502         u8 flags;
 503 #define ISCSI_KCQE_RESERVED0 (0xF<<0)
 504 #define ISCSI_KCQE_RESERVED0_SHIFT 0
 505 #define ISCSI_KCQE_LAYER_CODE (0x7<<4)
 506 #define ISCSI_KCQE_LAYER_CODE_SHIFT 4
 507 #define ISCSI_KCQE_RESERVED1 (0x1<<7)
 508 #define ISCSI_KCQE_RESERVED1_SHIFT 7
 509 #endif
 510 };
 511
 512
 513
 514 /*
 515  * iSCSI KWQE header
 516  */
 517 struct iscsi_kwqe_header {
 518 #if defined(__BIG_ENDIAN)
 519         u8 flags;
 520 #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
 521 #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
 522 #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
 523 #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
 524 #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
 525 #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
 526         u8 op_code;
 527 #elif defined(__LITTLE_ENDIAN)
 528         u8 op_code;
 529         u8 flags;
 530 #define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
 531 #define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
 532 #define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
 533 #define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
 534 #define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
 535 #define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
 536 #endif
 537 };
 538
 539 /*
 540  * iSCSI firmware init request 1
 541  */
 542 struct iscsi_kwqe_init1 {
 543 #if defined(__BIG_ENDIAN)
 544         struct iscsi_kwqe_header hdr;
 545         u8 reserved0;
 546         u8 num_cqs;
 547 #elif defined(__LITTLE_ENDIAN)
 548         u8 num_cqs;
 549         u8 reserved0;
 550         struct iscsi_kwqe_header hdr;
 551 #endif
 552         u32 dummy_buffer_addr_lo;
 553         u32 dummy_buffer_addr_hi;
 554 #if defined(__BIG_ENDIAN)
 555         u16 num_ccells_per_conn;
 556         u16 num_tasks_per_conn;
 557 #elif defined(__LITTLE_ENDIAN)
 558         u16 num_tasks_per_conn;
 559         u16 num_ccells_per_conn;
 560 #endif
 561 #if defined(__BIG_ENDIAN)
 562         u16 sq_wqes_per_page;
 563         u16 sq_num_wqes;
 564 #elif defined(__LITTLE_ENDIAN)
 565         u16 sq_num_wqes;
 566         u16 sq_wqes_per_page;
 567 #endif
 568 #if defined(__BIG_ENDIAN)
 569         u8 cq_log_wqes_per_page;
 570         u8 flags;
 571 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 572 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 573 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 574 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 575 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 576 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 577 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 578 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 579         u16 cq_num_wqes;
 580 #elif defined(__LITTLE_ENDIAN)
 581         u16 cq_num_wqes;
 582         u8 flags;
 583 #define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 584 #define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 585 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 586 #define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 587 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 588 #define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 589 #define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 590 #define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 591         u8 cq_log_wqes_per_page;
 592 #endif
 593 #if defined(__BIG_ENDIAN)
 594         u16 cq_num_pages;
 595         u16 sq_num_pages;
 596 #elif defined(__LITTLE_ENDIAN)
 597         u16 sq_num_pages;
 598         u16 cq_num_pages;
 599 #endif
 600 #if defined(__BIG_ENDIAN)
 601         u16 rq_buffer_size;
 602         u16 rq_num_wqes;
 603 #elif defined(__LITTLE_ENDIAN)
 604         u16 rq_num_wqes;
 605         u16 rq_buffer_size;
 606 #endif
 607 };
 608
 609 /*
 610  * iSCSI firmware init request 2
 611  */
 612 struct iscsi_kwqe_init2 {
 613 #if defined(__BIG_ENDIAN)
 614         struct iscsi_kwqe_header hdr;
 615         u16 max_cq_sqn;
 616 #elif defined(__LITTLE_ENDIAN)
 617         u16 max_cq_sqn;
 618         struct iscsi_kwqe_header hdr;
 619 #endif
 620         u32 error_bit_map[2];
 621         u32 reserved1[5];
 622 };
 623
 624 /*
 625  * Initial iSCSI connection offload request 1
 626  */
 627 struct iscsi_kwqe_conn_offload1 {
 628 #if defined(__BIG_ENDIAN)
 629         struct iscsi_kwqe_header hdr;
 630         u16 iscsi_conn_id;
 631 #elif defined(__LITTLE_ENDIAN)
 632         u16 iscsi_conn_id;
 633         struct iscsi_kwqe_header hdr;
 634 #endif
 635         u32 sq_page_table_addr_lo;
 636         u32 sq_page_table_addr_hi;
 637         u32 cq_page_table_addr_lo;
 638         u32 cq_page_table_addr_hi;
 639         u32 reserved0[3];
 640 };
 641
 642 /*
 643  * iSCSI Page Table Entry (PTE)
 644  */
 645 struct iscsi_pte {
 646         u32 hi;
 647         u32 lo;
 648 };
 649
 650 /*
 651  * Initial iSCSI connection offload request 2
 652  */
 653 struct iscsi_kwqe_conn_offload2 {
 654 #if defined(__BIG_ENDIAN)
 655         struct iscsi_kwqe_header hdr;
 656         u16 reserved0;
 657 #elif defined(__LITTLE_ENDIAN)
 658         u16 reserved0;
 659         struct iscsi_kwqe_header hdr;
 660 #endif
 661         u32 rq_page_table_addr_lo;
 662         u32 rq_page_table_addr_hi;
 663         struct iscsi_pte sq_first_pte;
 664         struct iscsi_pte cq_first_pte;
 665         u32 num_additional_wqes;
 666 };
 667
 668
 669 /*
 670  * Initial iSCSI connection offload request 3
 671  */
 672 struct iscsi_kwqe_conn_offload3 {
 673 #if defined(__BIG_ENDIAN)
 674         struct iscsi_kwqe_header hdr;
 675         u16 reserved0;
 676 #elif defined(__LITTLE_ENDIAN)
 677         u16 reserved0;
 678         struct iscsi_kwqe_header hdr;
 679 #endif
 680         u32 reserved1;
 681         struct iscsi_pte qp_first_pte[3];
 682 };
 683
 684
 685 /*
 686  * iSCSI connection update request
 687  */
 688 struct iscsi_kwqe_conn_update {
 689 #if defined(__BIG_ENDIAN)
 690         struct iscsi_kwqe_header hdr;
 691         u16 reserved0;
 692 #elif defined(__LITTLE_ENDIAN)
 693         u16 reserved0;
 694         struct iscsi_kwqe_header hdr;
 695 #endif
 696 #if defined(__BIG_ENDIAN)
 697         u8 session_error_recovery_level;
 698         u8 max_outstanding_r2ts;
 699         u8 reserved2;
 700         u8 conn_flags;
 701 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 702 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 703 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 704 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 705 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 706 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 707 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 708 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 709 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
 710 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
 711 #elif defined(__LITTLE_ENDIAN)
 712         u8 conn_flags;
 713 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 714 #define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 715 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 716 #define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 717 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 718 #define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 719 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 720 #define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 721 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0xF<<4)
 722 #define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 4
 723         u8 reserved2;
 724         u8 max_outstanding_r2ts;
 725         u8 session_error_recovery_level;
 726 #endif
 727         u32 context_id;
 728         u32 max_send_pdu_length;
 729         u32 max_recv_pdu_length;
 730         u32 first_burst_length;
 731         u32 max_burst_length;
 732         u32 exp_stat_sn;
 733 };
 734
 735 /*
 736  * iSCSI destroy connection request
 737  */
 738 struct iscsi_kwqe_conn_destroy {
 739 #if defined(__BIG_ENDIAN)
 740         struct iscsi_kwqe_header hdr;
 741         u16 reserved0;
 742 #elif defined(__LITTLE_ENDIAN)
 743         u16 reserved0;
 744         struct iscsi_kwqe_header hdr;
 745 #endif
 746         u32 context_id;
 747         u32 reserved1[6];
 748 };
 749
 750 /*
 751  * iSCSI KWQ WQE
 752  */
 753 union iscsi_kwqe {
 754         struct iscsi_kwqe_init1 init1;
 755         struct iscsi_kwqe_init2 init2;
 756         struct iscsi_kwqe_conn_offload1 conn_offload1;
 757         struct iscsi_kwqe_conn_offload2 conn_offload2;
 758         struct iscsi_kwqe_conn_update conn_update;
 759         struct iscsi_kwqe_conn_destroy conn_destroy;
 760 };
 761
 762 /*
 763  * iSCSI Login SQ WQE
 764  */
 765 struct bnx2i_login_request {
 766 #if defined(__BIG_ENDIAN)
 767         u8 op_code;
 768         u8 op_attr;
 769 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 770 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 771 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 772 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 773 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 774 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 775 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 776 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 777 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 778 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 779         u8 version_max;
 780         u8 version_min;
 781 #elif defined(__LITTLE_ENDIAN)
 782         u8 version_min;
 783         u8 version_max;
 784         u8 op_attr;
 785 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 786 #define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 787 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 788 #define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 789 #define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 790 #define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 791 #define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 792 #define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 793 #define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 794 #define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 795         u8 op_code;
 796 #endif
 797         u32 data_length;
 798         u32 isid_lo;
 799 #if defined(__BIG_ENDIAN)
 800         u16 isid_hi;
 801         u16 tsih;
 802 #elif defined(__LITTLE_ENDIAN)
 803         u16 tsih;
 804         u16 isid_hi;
 805 #endif
 806 #if defined(__BIG_ENDIAN)
 807         u16 reserved2;
 808         u16 itt;
 809 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 810 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 811 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 812 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 813 #elif defined(__LITTLE_ENDIAN)
 814         u16 itt;
 815 #define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 816 #define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 817 #define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 818 #define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 819         u16 reserved2;
 820 #endif
 821 #if defined(__BIG_ENDIAN)
 822         u16 cid;
 823         u16 reserved3;
 824 #elif defined(__LITTLE_ENDIAN)
 825         u16 reserved3;
 826         u16 cid;
 827 #endif
 828         u32 cmd_sn;
 829         u32 exp_stat_sn;
 830         u32 reserved4;
 831         u32 resp_bd_list_addr_lo;
 832         u32 resp_bd_list_addr_hi;
 833         u32 resp_buffer;
 834 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 835 #define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 836 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
 837 #define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
 838 #if defined(__BIG_ENDIAN)
 839         u16 reserved8;
 840         u8 reserved7;
 841         u8 flags;
 842 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 843 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 844 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 845 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 846 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 847 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 848 #elif defined(__LITTLE_ENDIAN)
 849         u8 flags;
 850 #define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 851 #define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 852 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 853 #define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 854 #define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 855 #define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 856         u8 reserved7;
 857         u16 reserved8;
 858 #endif
 859         u32 bd_list_addr_lo;
 860         u32 bd_list_addr_hi;
 861 #if defined(__BIG_ENDIAN)
 862         u8 cq_index;
 863         u8 reserved10;
 864         u8 reserved9;
 865         u8 num_bds;
 866 #elif defined(__LITTLE_ENDIAN)
 867         u8 num_bds;
 868         u8 reserved9;
 869         u8 reserved10;
 870         u8 cq_index;
 871 #endif
 872 };
 873
 874
 875 /*
 876  * iSCSI Login CQE
 877  */
 878 struct bnx2i_login_response {
 879 #if defined(__BIG_ENDIAN)
 880         u8 op_code;
 881         u8 response_flags;
 882 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 883 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 884 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 885 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 886 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 887 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 888 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 889 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 890 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 891 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 892         u8 version_max;
 893         u8 version_active;
 894 #elif defined(__LITTLE_ENDIAN)
 895         u8 version_active;
 896         u8 version_max;
 897         u8 response_flags;
 898 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 899 #define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 900 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 901 #define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 902 #define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 903 #define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 904 #define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 905 #define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 906 #define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 907 #define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 908         u8 op_code;
 909 #endif
 910         u32 data_length;
 911         u32 exp_cmd_sn;
 912         u32 max_cmd_sn;
 913         u32 reserved1[2];
 914 #if defined(__BIG_ENDIAN)
 915         u16 reserved3;
 916         u8 err_code;
 917         u8 reserved2;
 918 #elif defined(__LITTLE_ENDIAN)
 919         u8 reserved2;
 920         u8 err_code;
 921         u16 reserved3;
 922 #endif
 923         u32 stat_sn;
 924         u32 isid_lo;
 925 #if defined(__BIG_ENDIAN)
 926         u16 isid_hi;
 927         u16 tsih;
 928 #elif defined(__LITTLE_ENDIAN)
 929         u16 tsih;
 930         u16 isid_hi;
 931 #endif
 932 #if defined(__BIG_ENDIAN)
 933         u8 status_class;
 934         u8 status_detail;
 935         u16 reserved4;
 936 #elif defined(__LITTLE_ENDIAN)
 937         u16 reserved4;
 938         u8 status_detail;
 939         u8 status_class;
 940 #endif
 941         u32 reserved5[3];
 942 #if defined(__BIG_ENDIAN)
 943         u16 reserved6;
 944         u16 itt;
 945 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 946 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 947 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 948 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 949 #elif defined(__LITTLE_ENDIAN)
 950         u16 itt;
 951 #define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 952 #define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 953 #define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 954 #define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 955         u16 reserved6;
 956 #endif
 957         u32 cq_req_sn;
 958 };
 959
 960
 961 /*
 962  * iSCSI Logout SQ WQE
 963  */
 964 struct bnx2i_logout_request {
 965 #if defined(__BIG_ENDIAN)
 966         u8 op_code;
 967         u8 op_attr;
 968 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 969 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 970 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 971 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 972         u16 reserved0;
 973 #elif defined(__LITTLE_ENDIAN)
 974         u16 reserved0;
 975         u8 op_attr;
 976 #define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 977 #define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 978 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 979 #define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 980         u8 op_code;
 981 #endif
 982         u32 data_length;
 983         u32 reserved1[2];
 984 #if defined(__BIG_ENDIAN)
 985         u16 reserved2;
 986         u16 itt;
 987 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 988 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
 989 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
 990 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
 991 #elif defined(__LITTLE_ENDIAN)
 992         u16 itt;
 993 #define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 994 #define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
 995 #define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
 996 #define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
 997         u16 reserved2;
 998 #endif
 999 #if defined(__BIG_ENDIAN)
1000         u16 cid;
1001         u16 reserved3;
1002 #elif defined(__LITTLE_ENDIAN)
1003         u16 reserved3;
1004         u16 cid;
1005 #endif
1006         u32 cmd_sn;
1007         u32 reserved4[5];
1008         u32 zero_fill;
1009         u32 bd_list_addr_lo;
1010         u32 bd_list_addr_hi;
1011 #if defined(__BIG_ENDIAN)
1012         u8 cq_index;
1013         u8 reserved6;
1014         u8 reserved5;
1015         u8 num_bds;
1016 #elif defined(__LITTLE_ENDIAN)
1017         u8 num_bds;
1018         u8 reserved5;
1019         u8 reserved6;
1020         u8 cq_index;
1021 #endif
1022 };
1023
1024
1025 /*
1026  * iSCSI Logout CQE
1027  */
1028 struct bnx2i_logout_response {
1029 #if defined(__BIG_ENDIAN)
1030         u8 op_code;
1031         u8 reserved1;
1032         u8 response;
1033         u8 reserved0;
1034 #elif defined(__LITTLE_ENDIAN)
1035         u8 reserved0;
1036         u8 response;
1037         u8 reserved1;
1038         u8 op_code;
1039 #endif
1040         u32 reserved2;
1041         u32 exp_cmd_sn;
1042         u32 max_cmd_sn;
1043         u32 reserved3[2];
1044 #if defined(__BIG_ENDIAN)
1045         u16 reserved5;
1046         u8 err_code;
1047         u8 reserved4;
1048 #elif defined(__LITTLE_ENDIAN)
1049         u8 reserved4;
1050         u8 err_code;
1051         u16 reserved5;
1052 #endif
1053         u32 reserved6[3];
1054 #if defined(__BIG_ENDIAN)
1055         u16 time_to_wait;
1056         u16 time_to_retain;
1057 #elif defined(__LITTLE_ENDIAN)
1058         u16 time_to_retain;
1059         u16 time_to_wait;
1060 #endif
1061         u32 reserved7[3];
1062 #if defined(__BIG_ENDIAN)
1063         u16 reserved8;
1064         u16 itt;
1065 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1066 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1067 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1068 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1069 #elif defined(__LITTLE_ENDIAN)
1070         u16 itt;
1071 #define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1072 #define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1073 #define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1074 #define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1075         u16 reserved8;
1076 #endif
1077         u32 cq_req_sn;
1078 };
1079
1080
1081 /*
1082  * iSCSI Nop-In CQE
1083  */
1084 struct bnx2i_nop_in_msg {
1085 #if defined(__BIG_ENDIAN)
1086         u8 op_code;
1087         u8 reserved1;
1088         u16 reserved0;
1089 #elif defined(__LITTLE_ENDIAN)
1090         u16 reserved0;
1091         u8 reserved1;
1092         u8 op_code;
1093 #endif
1094         u32 data_length;
1095         u32 exp_cmd_sn;
1096         u32 max_cmd_sn;
1097         u32 ttt;
1098         u32 reserved2;
1099 #if defined(__BIG_ENDIAN)
1100         u16 reserved4;
1101         u8 err_code;
1102         u8 reserved3;
1103 #elif defined(__LITTLE_ENDIAN)
1104         u8 reserved3;
1105         u8 err_code;
1106         u16 reserved4;
1107 #endif
1108         u32 reserved5;
1109         u32 lun[2];
1110         u32 reserved6[4];
1111 #if defined(__BIG_ENDIAN)
1112         u16 reserved7;
1113         u16 itt;
1114 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1115 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1116 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1117 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1118 #elif defined(__LITTLE_ENDIAN)
1119         u16 itt;
1120 #define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1121 #define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1122 #define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1123 #define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1124         u16 reserved7;
1125 #endif
1126         u32 cq_req_sn;
1127 };
1128
1129
1130 /*
1131  * iSCSI NOP-OUT SQ WQE
1132  */
1133 struct bnx2i_nop_out_request {
1134 #if defined(__BIG_ENDIAN)
1135         u8 op_code;
1136         u8 op_attr;
1137 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1138 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1139 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1140 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1141         u16 reserved0;
1142 #elif defined(__LITTLE_ENDIAN)
1143         u16 reserved0;
1144         u8 op_attr;
1145 #define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1146 #define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1147 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1148 #define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1149         u8 op_code;
1150 #endif
1151         u32 data_length;
1152         u32 lun[2];
1153 #if defined(__BIG_ENDIAN)
1154         u16 reserved2;
1155         u16 itt;
1156 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1157 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1158 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1159 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1160 #elif defined(__LITTLE_ENDIAN)
1161         u16 itt;
1162 #define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1163 #define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1164 #define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1165 #define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1166         u16 reserved2;
1167 #endif
1168         u32 ttt;
1169         u32 cmd_sn;
1170         u32 reserved3[2];
1171         u32 resp_bd_list_addr_lo;
1172         u32 resp_bd_list_addr_hi;
1173         u32 resp_buffer;
1174 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1175 #define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1176 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1177 #define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1178 #if defined(__BIG_ENDIAN)
1179         u16 reserved7;
1180         u8 reserved6;
1181         u8 flags;
1182 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1183 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1184 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1185 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1186 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1187 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1188 #elif defined(__LITTLE_ENDIAN)
1189         u8 flags;
1190 #define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1191 #define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1192 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1193 #define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1194 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1195 #define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1196         u8 reserved6;
1197         u16 reserved7;
1198 #endif
1199         u32 bd_list_addr_lo;
1200         u32 bd_list_addr_hi;
1201 #if defined(__BIG_ENDIAN)
1202         u8 cq_index;
1203         u8 reserved9;
1204         u8 reserved8;
1205         u8 num_bds;
1206 #elif defined(__LITTLE_ENDIAN)
1207         u8 num_bds;
1208         u8 reserved8;
1209         u8 reserved9;
1210         u8 cq_index;
1211 #endif
1212 };
1213
1214 /*
1215  * iSCSI Reject CQE
1216  */
1217 struct bnx2i_reject_msg {
1218 #if defined(__BIG_ENDIAN)
1219         u8 op_code;
1220         u8 reserved1;
1221         u8 reason;
1222         u8 reserved0;
1223 #elif defined(__LITTLE_ENDIAN)
1224         u8 reserved0;
1225         u8 reason;
1226         u8 reserved1;
1227         u8 op_code;
1228 #endif
1229         u32 data_length;
1230         u32 exp_cmd_sn;
1231         u32 max_cmd_sn;
1232         u32 reserved2[2];
1233 #if defined(__BIG_ENDIAN)
1234         u16 reserved4;
1235         u8 err_code;
1236         u8 reserved3;
1237 #elif defined(__LITTLE_ENDIAN)
1238         u8 reserved3;
1239         u8 err_code;
1240         u16 reserved4;
1241 #endif
1242         u32 reserved5[8];
1243         u32 cq_req_sn;
1244 };
1245
1246 /*
1247  * bnx2i iSCSI TMF SQ WQE
1248  */
1249 struct bnx2i_tmf_request {
1250 #if defined(__BIG_ENDIAN)
1251         u8 op_code;
1252         u8 op_attr;
1253 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1254 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1255 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1256 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1257         u16 reserved0;
1258 #elif defined(__LITTLE_ENDIAN)
1259         u16 reserved0;
1260         u8 op_attr;
1261 #define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1262 #define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1263 #define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1264 #define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1265         u8 op_code;
1266 #endif
1267         u32 data_length;
1268         u32 lun[2];
1269 #if defined(__BIG_ENDIAN)
1270         u16 reserved1;
1271         u16 itt;
1272 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1273 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1274 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1275 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1276 #elif defined(__LITTLE_ENDIAN)
1277         u16 itt;
1278 #define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1279 #define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1280 #define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1281 #define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1282         u16 reserved1;
1283 #endif
1284         u32 ref_itt;
1285         u32 cmd_sn;
1286         u32 reserved2;
1287         u32 ref_cmd_sn;
1288         u32 reserved3[3];
1289         u32 zero_fill;
1290         u32 bd_list_addr_lo;
1291         u32 bd_list_addr_hi;
1292 #if defined(__BIG_ENDIAN)
1293         u8 cq_index;
1294         u8 reserved5;
1295         u8 reserved4;
1296         u8 num_bds;
1297 #elif defined(__LITTLE_ENDIAN)
1298         u8 num_bds;
1299         u8 reserved4;
1300         u8 reserved5;
1301         u8 cq_index;
1302 #endif
1303 };
1304
1305 /*
1306  * iSCSI Text SQ WQE
1307  */
1308 struct bnx2i_text_request {
1309 #if defined(__BIG_ENDIAN)
1310         u8 op_code;
1311         u8 op_attr;
1312 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1313 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1314 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1315 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1316 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1317 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1318         u16 reserved0;
1319 #elif defined(__LITTLE_ENDIAN)
1320         u16 reserved0;
1321         u8 op_attr;
1322 #define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1323 #define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1324 #define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1325 #define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1326 #define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1327 #define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1328         u8 op_code;
1329 #endif
1330         u32 data_length;
1331         u32 lun[2];
1332 #if defined(__BIG_ENDIAN)
1333         u16 reserved3;
1334         u16 itt;
1335 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1336 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1337 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1338 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1339 #elif defined(__LITTLE_ENDIAN)
1340         u16 itt;
1341 #define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1342 #define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1343 #define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1344 #define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1345         u16 reserved3;
1346 #endif
1347         u32 ttt;
1348         u32 cmd_sn;
1349         u32 reserved4[2];
1350         u32 resp_bd_list_addr_lo;
1351         u32 resp_bd_list_addr_hi;
1352         u32 resp_buffer;
1353 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1354 #define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1355 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1356 #define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1357         u32 zero_fill;
1358         u32 bd_list_addr_lo;
1359         u32 bd_list_addr_hi;
1360 #if defined(__BIG_ENDIAN)
1361         u8 cq_index;
1362         u8 reserved7;
1363         u8 reserved6;
1364         u8 num_bds;
1365 #elif defined(__LITTLE_ENDIAN)
1366         u8 num_bds;
1367         u8 reserved6;
1368         u8 reserved7;
1369         u8 cq_index;
1370 #endif
1371 };
1372
1373 /*
1374  * iSCSI SQ WQE
1375  */
1376 union iscsi_request {
1377         struct bnx2i_cmd_request cmd;
1378         struct bnx2i_tmf_request tmf;
1379         struct bnx2i_nop_out_request nop_out;
1380         struct bnx2i_login_request login_req;
1381         struct bnx2i_text_request text;
1382         struct bnx2i_logout_request logout_req;
1383         struct bnx2i_cleanup_request cleanup;
1384 };
1385
1386
1387 /*
1388  * iSCSI TMF CQE
1389  */
1390 struct bnx2i_tmf_response {
1391 #if defined(__BIG_ENDIAN)
1392         u8 op_code;
1393         u8 reserved1;
1394         u8 response;
1395         u8 reserved0;
1396 #elif defined(__LITTLE_ENDIAN)
1397         u8 reserved0;
1398         u8 response;
1399         u8 reserved1;
1400         u8 op_code;
1401 #endif
1402         u32 reserved2;
1403         u32 exp_cmd_sn;
1404         u32 max_cmd_sn;
1405         u32 reserved3[2];
1406 #if defined(__BIG_ENDIAN)
1407         u16 reserved5;
1408         u8 err_code;
1409         u8 reserved4;
1410 #elif defined(__LITTLE_ENDIAN)
1411         u8 reserved4;
1412         u8 err_code;
1413         u16 reserved5;
1414 #endif
1415         u32 reserved6[7];
1416 #if defined(__BIG_ENDIAN)
1417         u16 reserved7;
1418         u16 itt;
1419 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1420 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1421 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1422 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1423 #elif defined(__LITTLE_ENDIAN)
1424         u16 itt;
1425 #define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1426 #define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1427 #define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1428 #define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1429         u16 reserved7;
1430 #endif
1431         u32 cq_req_sn;
1432 };
1433
1434 /*
1435  * iSCSI Text CQE
1436  */
1437 struct bnx2i_text_response {
1438 #if defined(__BIG_ENDIAN)
1439         u8 op_code;
1440         u8 response_flags;
1441 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1442 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1443 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1444 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1445 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1446 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1447         u16 reserved0;
1448 #elif defined(__LITTLE_ENDIAN)
1449         u16 reserved0;
1450         u8 response_flags;
1451 #define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1452 #define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1453 #define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1454 #define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1455 #define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1456 #define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1457         u8 op_code;
1458 #endif
1459         u32 data_length;
1460         u32 exp_cmd_sn;
1461         u32 max_cmd_sn;
1462         u32 ttt;
1463         u32 reserved2;
1464 #if defined(__BIG_ENDIAN)
1465         u16 reserved4;
1466         u8 err_code;
1467         u8 reserved3;
1468 #elif defined(__LITTLE_ENDIAN)
1469         u8 reserved3;
1470         u8 err_code;
1471         u16 reserved4;
1472 #endif
1473         u32 reserved5;
1474         u32 lun[2];
1475         u32 reserved6[4];
1476 #if defined(__BIG_ENDIAN)
1477         u16 reserved7;
1478         u16 itt;
1479 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1480 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1481 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1482 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1483 #elif defined(__LITTLE_ENDIAN)
1484         u16 itt;
1485 #define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1486 #define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1487 #define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1488 #define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1489         u16 reserved7;
1490 #endif
1491         u32 cq_req_sn;
1492 };
1493
1494 /*
1495  * iSCSI CQE
1496  */
1497 union iscsi_response {
1498         struct bnx2i_cmd_response cmd;
1499         struct bnx2i_tmf_response tmf;
1500         struct bnx2i_login_response login_resp;
1501         struct bnx2i_text_response text;
1502         struct bnx2i_logout_response logout_resp;
1503         struct bnx2i_cleanup_response cleanup;
1504         struct bnx2i_reject_msg reject;
1505         struct bnx2i_async_msg async;
1506         struct bnx2i_nop_in_msg nop_in;
1507 };
1508
1509 #endif /* __57XX_ISCSI_HSI_LINUX_LE__ */