LXR linux/drivers/scsi/bnx2i/57xx_iscsi

   1/* 57xx_iscsi_hsi.h: Broadcom NetXtreme II iSCSI HSI.
   2 *
   3 * Copyright (c) 2006 - 2012 Broadcom Corporation
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation.
   8 *
   9 * Written by: Anil Veerabhadrappa (anilgv@broadcom.com)
  10 * Maintained by: Eddie Wai (eddie.wai@broadcom.com)
  11 */
  12#ifndef __57XX_ISCSI_HSI_LINUX_LE__
  13#define __57XX_ISCSI_HSI_LINUX_LE__
  14
  15/*
  16 * iSCSI Async CQE
  17 */
  18struct 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 */
  67struct 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 */
 106struct 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 */
 148struct 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 */
 192struct 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 */
 269struct bnx2i_write_resp_task_stat {
 270#if defined(__BIG_ENDIAN)
 271        u16 num_r2ts;
 272        u16 num_data_outs;
 273#elif defined(__LITTLE_ENDIAN)
 274        u16 num_data_outs;
 275        u16 num_r2ts;
 276#endif
 277};
 278
 279/*
 280 * task statistics for read response
 281 */
 282struct bnx2i_read_resp_task_stat {
 283#if defined(__BIG_ENDIAN)
 284        u16 reserved;
 285        u16 num_data_ins;
 286#elif defined(__LITTLE_ENDIAN)
 287        u16 num_data_ins;
 288        u16 reserved;
 289#endif
 290};
 291
 292/*
 293 * task statistics for iSCSI cmd response
 294 */
 295union bnx2i_cmd_resp_task_stat {
 296        struct bnx2i_write_resp_task_stat write_stat;
 297        struct bnx2i_read_resp_task_stat read_stat;
 298};
 299
 300/*
 301 * SCSI Command CQE
 302 */
 303struct bnx2i_cmd_response {
 304#if defined(__BIG_ENDIAN)
 305        u8 op_code;
 306        u8 response_flags;
 307#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
 308#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
 309#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
 310#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
 311#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
 312#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
 313#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
 314#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
 315#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
 316#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
 317#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
 318#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
 319        u8 response;
 320        u8 status;
 321#elif defined(__LITTLE_ENDIAN)
 322        u8 status;
 323        u8 response;
 324        u8 response_flags;
 325#define ISCSI_CMD_RESPONSE_RESERVED0 (0x1<<0)
 326#define ISCSI_CMD_RESPONSE_RESERVED0_SHIFT 0
 327#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW (0x1<<1)
 328#define ISCSI_CMD_RESPONSE_RESIDUAL_UNDERFLOW_SHIFT 1
 329#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW (0x1<<2)
 330#define ISCSI_CMD_RESPONSE_RESIDUAL_OVERFLOW_SHIFT 2
 331#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW (0x1<<3)
 332#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_UNDERFLOW_SHIFT 3
 333#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW (0x1<<4)
 334#define ISCSI_CMD_RESPONSE_BR_RESIDUAL_OVERFLOW_SHIFT 4
 335#define ISCSI_CMD_RESPONSE_RESERVED1 (0x7<<5)
 336#define ISCSI_CMD_RESPONSE_RESERVED1_SHIFT 5
 337        u8 op_code;
 338#endif
 339        u32 data_length;
 340        u32 exp_cmd_sn;
 341        u32 max_cmd_sn;
 342        u32 reserved2;
 343        u32 residual_count;
 344#if defined(__BIG_ENDIAN)
 345        u16 reserved4;
 346        u8 err_code;
 347        u8 reserved3;
 348#elif defined(__LITTLE_ENDIAN)
 349        u8 reserved3;
 350        u8 err_code;
 351        u16 reserved4;
 352#endif
 353        u32 reserved5[5];
 354        union bnx2i_cmd_resp_task_stat task_stat;
 355        u32 reserved6;
 356#if defined(__BIG_ENDIAN)
 357        u16 reserved7;
 358        u16 itt;
 359#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
 360#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
 361#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
 362#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
 363#elif defined(__LITTLE_ENDIAN)
 364        u16 itt;
 365#define ISCSI_CMD_RESPONSE_INDEX (0x3FFF<<0)
 366#define ISCSI_CMD_RESPONSE_INDEX_SHIFT 0
 367#define ISCSI_CMD_RESPONSE_TYPE (0x3<<14)
 368#define ISCSI_CMD_RESPONSE_TYPE_SHIFT 14
 369        u16 reserved7;
 370#endif
 371        u32 cq_req_sn;
 372};
 373
 374
 375
 376/*
 377 * firmware middle-path request SQ WQE
 378 */
 379struct bnx2i_fw_mp_request {
 380#if defined(__BIG_ENDIAN)
 381        u8 op_code;
 382        u8 op_attr;
 383        u16 hdr_opaque1;
 384#elif defined(__LITTLE_ENDIAN)
 385        u16 hdr_opaque1;
 386        u8 op_attr;
 387        u8 op_code;
 388#endif
 389        u32 data_length;
 390        u32 hdr_opaque2[2];
 391#if defined(__BIG_ENDIAN)
 392        u16 reserved0;
 393        u16 itt;
 394#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
 395#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
 396#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
 397#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
 398#elif defined(__LITTLE_ENDIAN)
 399        u16 itt;
 400#define ISCSI_FW_MP_REQUEST_INDEX (0x3FFF<<0)
 401#define ISCSI_FW_MP_REQUEST_INDEX_SHIFT 0
 402#define ISCSI_FW_MP_REQUEST_TYPE (0x3<<14)
 403#define ISCSI_FW_MP_REQUEST_TYPE_SHIFT 14
 404        u16 reserved0;
 405#endif
 406        u32 hdr_opaque3[4];
 407        u32 resp_bd_list_addr_lo;
 408        u32 resp_bd_list_addr_hi;
 409        u32 resp_buffer;
 410#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 411#define ISCSI_FW_MP_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 412#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS (0xFF<<24)
 413#define ISCSI_FW_MP_REQUEST_NUM_RESP_BDS_SHIFT 24
 414#if defined(__BIG_ENDIAN)
 415        u16 reserved4;
 416        u8 reserved3;
 417        u8 flags;
 418#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
 419#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
 420#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
 421#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
 422#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 423#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 424#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
 425#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
 426#elif defined(__LITTLE_ENDIAN)
 427        u8 flags;
 428#define ISCSI_FW_MP_REQUEST_RESERVED1 (0x1<<0)
 429#define ISCSI_FW_MP_REQUEST_RESERVED1_SHIFT 0
 430#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION (0x1<<1)
 431#define ISCSI_FW_MP_REQUEST_LOCAL_COMPLETION_SHIFT 1
 432#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 433#define ISCSI_FW_MP_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 434#define ISCSI_FW_MP_REQUEST_RESERVED2 (0x1F<<3)
 435#define ISCSI_FW_MP_REQUEST_RESERVED2_SHIFT 3
 436        u8 reserved3;
 437        u16 reserved4;
 438#endif
 439        u32 bd_list_addr_lo;
 440        u32 bd_list_addr_hi;
 441#if defined(__BIG_ENDIAN)
 442        u8 cq_index;
 443        u8 reserved6;
 444        u8 reserved5;
 445        u8 num_bds;
 446#elif defined(__LITTLE_ENDIAN)
 447        u8 num_bds;
 448        u8 reserved5;
 449        u8 reserved6;
 450        u8 cq_index;
 451#endif
 452};
 453
 454
 455/*
 456 * firmware response - CQE: used only by firmware
 457 */
 458struct bnx2i_fw_response {
 459        u32 hdr_dword1[2];
 460        u32 hdr_exp_cmd_sn;
 461        u32 hdr_max_cmd_sn;
 462        u32 hdr_ttt;
 463        u32 hdr_res_cnt;
 464        u32 cqe_flags;
 465#define ISCSI_FW_RESPONSE_RESERVED2 (0xFF<<0)
 466#define ISCSI_FW_RESPONSE_RESERVED2_SHIFT 0
 467#define ISCSI_FW_RESPONSE_ERR_CODE (0xFF<<8)
 468#define ISCSI_FW_RESPONSE_ERR_CODE_SHIFT 8
 469#define ISCSI_FW_RESPONSE_RESERVED3 (0xFFFF<<16)
 470#define ISCSI_FW_RESPONSE_RESERVED3_SHIFT 16
 471        u32 stat_sn;
 472        u32 hdr_dword2[2];
 473        u32 hdr_dword3[2];
 474        u32 task_stat;
 475        u32 reserved0;
 476        u32 hdr_itt;
 477        u32 cq_req_sn;
 478};
 479
 480
 481/*
 482 * iSCSI KCQ CQE parameters
 483 */
 484union iscsi_kcqe_params {
 485        u32 reserved0[4];
 486};
 487
 488/*
 489 * iSCSI KCQ CQE
 490 */
 491struct iscsi_kcqe {
 492        u32 iscsi_conn_id;
 493        u32 completion_status;
 494        u32 iscsi_conn_context_id;
 495        union iscsi_kcqe_params params;
 496#if defined(__BIG_ENDIAN)
 497        u8 flags;
 498#define ISCSI_KCQE_RESERVED0 (0xF<<0)
 499#define ISCSI_KCQE_RESERVED0_SHIFT 0
 500#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
 501#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
 502#define ISCSI_KCQE_RESERVED1 (0x1<<7)
 503#define ISCSI_KCQE_RESERVED1_SHIFT 7
 504        u8 op_code;
 505        u16 qe_self_seq;
 506#elif defined(__LITTLE_ENDIAN)
 507        u16 qe_self_seq;
 508        u8 op_code;
 509        u8 flags;
 510#define ISCSI_KCQE_RESERVED0 (0xF<<0)
 511#define ISCSI_KCQE_RESERVED0_SHIFT 0
 512#define ISCSI_KCQE_LAYER_CODE (0x7<<4)
 513#define ISCSI_KCQE_LAYER_CODE_SHIFT 4
 514#define ISCSI_KCQE_RESERVED1 (0x1<<7)
 515#define ISCSI_KCQE_RESERVED1_SHIFT 7
 516#endif
 517};
 518
 519
 520
 521/*
 522 * iSCSI KWQE header
 523 */
 524struct iscsi_kwqe_header {
 525#if defined(__BIG_ENDIAN)
 526        u8 flags;
 527#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
 528#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
 529#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
 530#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
 531#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
 532#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
 533        u8 op_code;
 534#elif defined(__LITTLE_ENDIAN)
 535        u8 op_code;
 536        u8 flags;
 537#define ISCSI_KWQE_HEADER_RESERVED0 (0xF<<0)
 538#define ISCSI_KWQE_HEADER_RESERVED0_SHIFT 0
 539#define ISCSI_KWQE_HEADER_LAYER_CODE (0x7<<4)
 540#define ISCSI_KWQE_HEADER_LAYER_CODE_SHIFT 4
 541#define ISCSI_KWQE_HEADER_RESERVED1 (0x1<<7)
 542#define ISCSI_KWQE_HEADER_RESERVED1_SHIFT 7
 543#endif
 544};
 545
 546/*
 547 * iSCSI firmware init request 1
 548 */
 549struct iscsi_kwqe_init1 {
 550#if defined(__BIG_ENDIAN)
 551        struct iscsi_kwqe_header hdr;
 552        u8 reserved0;
 553        u8 num_cqs;
 554#elif defined(__LITTLE_ENDIAN)
 555        u8 num_cqs;
 556        u8 reserved0;
 557        struct iscsi_kwqe_header hdr;
 558#endif
 559        u32 dummy_buffer_addr_lo;
 560        u32 dummy_buffer_addr_hi;
 561#if defined(__BIG_ENDIAN)
 562        u16 num_ccells_per_conn;
 563        u16 num_tasks_per_conn;
 564#elif defined(__LITTLE_ENDIAN)
 565        u16 num_tasks_per_conn;
 566        u16 num_ccells_per_conn;
 567#endif
 568#if defined(__BIG_ENDIAN)
 569        u16 sq_wqes_per_page;
 570        u16 sq_num_wqes;
 571#elif defined(__LITTLE_ENDIAN)
 572        u16 sq_num_wqes;
 573        u16 sq_wqes_per_page;
 574#endif
 575#if defined(__BIG_ENDIAN)
 576        u8 cq_log_wqes_per_page;
 577        u8 flags;
 578#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 579#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 580#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 581#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 582#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 583#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 584#define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 585#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 586        u16 cq_num_wqes;
 587#elif defined(__LITTLE_ENDIAN)
 588        u16 cq_num_wqes;
 589        u8 flags;
 590#define ISCSI_KWQE_INIT1_PAGE_SIZE (0xF<<0)
 591#define ISCSI_KWQE_INIT1_PAGE_SIZE_SHIFT 0
 592#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE (0x1<<4)
 593#define ISCSI_KWQE_INIT1_DELAYED_ACK_ENABLE_SHIFT 4
 594#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE (0x1<<5)
 595#define ISCSI_KWQE_INIT1_KEEP_ALIVE_ENABLE_SHIFT 5
 596#define ISCSI_KWQE_INIT1_RESERVED1 (0x3<<6)
 597#define ISCSI_KWQE_INIT1_RESERVED1_SHIFT 6
 598        u8 cq_log_wqes_per_page;
 599#endif
 600#if defined(__BIG_ENDIAN)
 601        u16 cq_num_pages;
 602        u16 sq_num_pages;
 603#elif defined(__LITTLE_ENDIAN)
 604        u16 sq_num_pages;
 605        u16 cq_num_pages;
 606#endif
 607#if defined(__BIG_ENDIAN)
 608        u16 rq_buffer_size;
 609        u16 rq_num_wqes;
 610#elif defined(__LITTLE_ENDIAN)
 611        u16 rq_num_wqes;
 612        u16 rq_buffer_size;
 613#endif
 614};
 615
 616/*
 617 * iSCSI firmware init request 2
 618 */
 619struct iscsi_kwqe_init2 {
 620#if defined(__BIG_ENDIAN)
 621        struct iscsi_kwqe_header hdr;
 622        u16 max_cq_sqn;
 623#elif defined(__LITTLE_ENDIAN)
 624        u16 max_cq_sqn;
 625        struct iscsi_kwqe_header hdr;
 626#endif
 627        u32 error_bit_map[2];
 628        u32 reserved1[5];
 629};
 630
 631/*
 632 * Initial iSCSI connection offload request 1
 633 */
 634struct iscsi_kwqe_conn_offload1 {
 635#if defined(__BIG_ENDIAN)
 636        struct iscsi_kwqe_header hdr;
 637        u16 iscsi_conn_id;
 638#elif defined(__LITTLE_ENDIAN)
 639        u16 iscsi_conn_id;
 640        struct iscsi_kwqe_header hdr;
 641#endif
 642        u32 sq_page_table_addr_lo;
 643        u32 sq_page_table_addr_hi;
 644        u32 cq_page_table_addr_lo;
 645        u32 cq_page_table_addr_hi;
 646        u32 reserved0[3];
 647};
 648
 649/*
 650 * iSCSI Page Table Entry (PTE)
 651 */
 652struct iscsi_pte {
 653        u32 hi;
 654        u32 lo;
 655};
 656
 657/*
 658 * Initial iSCSI connection offload request 2
 659 */
 660struct iscsi_kwqe_conn_offload2 {
 661#if defined(__BIG_ENDIAN)
 662        struct iscsi_kwqe_header hdr;
 663        u16 reserved0;
 664#elif defined(__LITTLE_ENDIAN)
 665        u16 reserved0;
 666        struct iscsi_kwqe_header hdr;
 667#endif
 668        u32 rq_page_table_addr_lo;
 669        u32 rq_page_table_addr_hi;
 670        struct iscsi_pte sq_first_pte;
 671        struct iscsi_pte cq_first_pte;
 672        u32 num_additional_wqes;
 673};
 674
 675
 676/*
 677 * Initial iSCSI connection offload request 3
 678 */
 679struct iscsi_kwqe_conn_offload3 {
 680#if defined(__BIG_ENDIAN)
 681        struct iscsi_kwqe_header hdr;
 682        u16 reserved0;
 683#elif defined(__LITTLE_ENDIAN)
 684        u16 reserved0;
 685        struct iscsi_kwqe_header hdr;
 686#endif
 687        u32 reserved1;
 688        struct iscsi_pte qp_first_pte[3];
 689};
 690
 691
 692/*
 693 * iSCSI connection update request
 694 */
 695struct iscsi_kwqe_conn_update {
 696#if defined(__BIG_ENDIAN)
 697        struct iscsi_kwqe_header hdr;
 698        u16 reserved0;
 699#elif defined(__LITTLE_ENDIAN)
 700        u16 reserved0;
 701        struct iscsi_kwqe_header hdr;
 702#endif
 703#if defined(__BIG_ENDIAN)
 704        u8 session_error_recovery_level;
 705        u8 max_outstanding_r2ts;
 706        u8 reserved2;
 707        u8 conn_flags;
 708#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 709#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 710#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 711#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 712#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 713#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 714#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 715#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 716#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
 717#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
 718#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
 719#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
 720#elif defined(__LITTLE_ENDIAN)
 721        u8 conn_flags;
 722#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST (0x1<<0)
 723#define ISCSI_KWQE_CONN_UPDATE_HEADER_DIGEST_SHIFT 0
 724#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST (0x1<<1)
 725#define ISCSI_KWQE_CONN_UPDATE_DATA_DIGEST_SHIFT 1
 726#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T (0x1<<2)
 727#define ISCSI_KWQE_CONN_UPDATE_INITIAL_R2T_SHIFT 2
 728#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA (0x1<<3)
 729#define ISCSI_KWQE_CONN_UPDATE_IMMEDIATE_DATA_SHIFT 3
 730#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE (0x3<<4)
 731#define ISCSI_KWQE_CONN_UPDATE_OOO_SUPPORT_MODE_SHIFT 4
 732#define ISCSI_KWQE_CONN_UPDATE_RESERVED1 (0x3<<6)
 733#define ISCSI_KWQE_CONN_UPDATE_RESERVED1_SHIFT 6
 734        u8 reserved2;
 735        u8 max_outstanding_r2ts;
 736        u8 session_error_recovery_level;
 737#endif
 738        u32 context_id;
 739        u32 max_send_pdu_length;
 740        u32 max_recv_pdu_length;
 741        u32 first_burst_length;
 742        u32 max_burst_length;
 743        u32 exp_stat_sn;
 744};
 745
 746/*
 747 * iSCSI destroy connection request
 748 */
 749struct iscsi_kwqe_conn_destroy {
 750#if defined(__BIG_ENDIAN)
 751        struct iscsi_kwqe_header hdr;
 752        u16 reserved0;
 753#elif defined(__LITTLE_ENDIAN)
 754        u16 reserved0;
 755        struct iscsi_kwqe_header hdr;
 756#endif
 757        u32 context_id;
 758        u32 reserved1[6];
 759};
 760
 761/*
 762 * iSCSI KWQ WQE
 763 */
 764union iscsi_kwqe {
 765        struct iscsi_kwqe_init1 init1;
 766        struct iscsi_kwqe_init2 init2;
 767        struct iscsi_kwqe_conn_offload1 conn_offload1;
 768        struct iscsi_kwqe_conn_offload2 conn_offload2;
 769        struct iscsi_kwqe_conn_update conn_update;
 770        struct iscsi_kwqe_conn_destroy conn_destroy;
 771};
 772
 773/*
 774 * iSCSI Login SQ WQE
 775 */
 776struct bnx2i_login_request {
 777#if defined(__BIG_ENDIAN)
 778        u8 op_code;
 779        u8 op_attr;
 780#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 781#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 782#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 783#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 784#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 785#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 786#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 787#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 788#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 789#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 790        u8 version_max;
 791        u8 version_min;
 792#elif defined(__LITTLE_ENDIAN)
 793        u8 version_min;
 794        u8 version_max;
 795        u8 op_attr;
 796#define ISCSI_LOGIN_REQUEST_NEXT_STAGE (0x3<<0)
 797#define ISCSI_LOGIN_REQUEST_NEXT_STAGE_SHIFT 0
 798#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE (0x3<<2)
 799#define ISCSI_LOGIN_REQUEST_CURRENT_STAGE_SHIFT 2
 800#define ISCSI_LOGIN_REQUEST_RESERVED0 (0x3<<4)
 801#define ISCSI_LOGIN_REQUEST_RESERVED0_SHIFT 4
 802#define ISCSI_LOGIN_REQUEST_CONT (0x1<<6)
 803#define ISCSI_LOGIN_REQUEST_CONT_SHIFT 6
 804#define ISCSI_LOGIN_REQUEST_TRANSIT (0x1<<7)
 805#define ISCSI_LOGIN_REQUEST_TRANSIT_SHIFT 7
 806        u8 op_code;
 807#endif
 808        u32 data_length;
 809        u32 isid_lo;
 810#if defined(__BIG_ENDIAN)
 811        u16 isid_hi;
 812        u16 tsih;
 813#elif defined(__LITTLE_ENDIAN)
 814        u16 tsih;
 815        u16 isid_hi;
 816#endif
 817#if defined(__BIG_ENDIAN)
 818        u16 reserved2;
 819        u16 itt;
 820#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 821#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 822#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 823#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 824#elif defined(__LITTLE_ENDIAN)
 825        u16 itt;
 826#define ISCSI_LOGIN_REQUEST_INDEX (0x3FFF<<0)
 827#define ISCSI_LOGIN_REQUEST_INDEX_SHIFT 0
 828#define ISCSI_LOGIN_REQUEST_TYPE (0x3<<14)
 829#define ISCSI_LOGIN_REQUEST_TYPE_SHIFT 14
 830        u16 reserved2;
 831#endif
 832#if defined(__BIG_ENDIAN)
 833        u16 cid;
 834        u16 reserved3;
 835#elif defined(__LITTLE_ENDIAN)
 836        u16 reserved3;
 837        u16 cid;
 838#endif
 839        u32 cmd_sn;
 840        u32 exp_stat_sn;
 841        u32 reserved4;
 842        u32 resp_bd_list_addr_lo;
 843        u32 resp_bd_list_addr_hi;
 844        u32 resp_buffer;
 845#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
 846#define ISCSI_LOGIN_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
 847#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS (0xFF<<24)
 848#define ISCSI_LOGIN_REQUEST_NUM_RESP_BDS_SHIFT 24
 849#if defined(__BIG_ENDIAN)
 850        u16 reserved8;
 851        u8 reserved7;
 852        u8 flags;
 853#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 854#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 855#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 856#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 857#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 858#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 859#elif defined(__LITTLE_ENDIAN)
 860        u8 flags;
 861#define ISCSI_LOGIN_REQUEST_RESERVED5 (0x3<<0)
 862#define ISCSI_LOGIN_REQUEST_RESERVED5_SHIFT 0
 863#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN (0x1<<2)
 864#define ISCSI_LOGIN_REQUEST_UPDATE_EXP_STAT_SN_SHIFT 2
 865#define ISCSI_LOGIN_REQUEST_RESERVED6 (0x1F<<3)
 866#define ISCSI_LOGIN_REQUEST_RESERVED6_SHIFT 3
 867        u8 reserved7;
 868        u16 reserved8;
 869#endif
 870        u32 bd_list_addr_lo;
 871        u32 bd_list_addr_hi;
 872#if defined(__BIG_ENDIAN)
 873        u8 cq_index;
 874        u8 reserved10;
 875        u8 reserved9;
 876        u8 num_bds;
 877#elif defined(__LITTLE_ENDIAN)
 878        u8 num_bds;
 879        u8 reserved9;
 880        u8 reserved10;
 881        u8 cq_index;
 882#endif
 883};
 884
 885
 886/*
 887 * iSCSI Login CQE
 888 */
 889struct bnx2i_login_response {
 890#if defined(__BIG_ENDIAN)
 891        u8 op_code;
 892        u8 response_flags;
 893#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 894#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 895#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 896#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 897#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 898#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 899#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 900#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 901#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 902#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 903        u8 version_max;
 904        u8 version_active;
 905#elif defined(__LITTLE_ENDIAN)
 906        u8 version_active;
 907        u8 version_max;
 908        u8 response_flags;
 909#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE (0x3<<0)
 910#define ISCSI_LOGIN_RESPONSE_NEXT_STAGE_SHIFT 0
 911#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE (0x3<<2)
 912#define ISCSI_LOGIN_RESPONSE_CURRENT_STAGE_SHIFT 2
 913#define ISCSI_LOGIN_RESPONSE_RESERVED0 (0x3<<4)
 914#define ISCSI_LOGIN_RESPONSE_RESERVED0_SHIFT 4
 915#define ISCSI_LOGIN_RESPONSE_CONT (0x1<<6)
 916#define ISCSI_LOGIN_RESPONSE_CONT_SHIFT 6
 917#define ISCSI_LOGIN_RESPONSE_TRANSIT (0x1<<7)
 918#define ISCSI_LOGIN_RESPONSE_TRANSIT_SHIFT 7
 919        u8 op_code;
 920#endif
 921        u32 data_length;
 922        u32 exp_cmd_sn;
 923        u32 max_cmd_sn;
 924        u32 reserved1[2];
 925#if defined(__BIG_ENDIAN)
 926        u16 reserved3;
 927        u8 err_code;
 928        u8 reserved2;
 929#elif defined(__LITTLE_ENDIAN)
 930        u8 reserved2;
 931        u8 err_code;
 932        u16 reserved3;
 933#endif
 934        u32 stat_sn;
 935        u32 isid_lo;
 936#if defined(__BIG_ENDIAN)
 937        u16 isid_hi;
 938        u16 tsih;
 939#elif defined(__LITTLE_ENDIAN)
 940        u16 tsih;
 941        u16 isid_hi;
 942#endif
 943#if defined(__BIG_ENDIAN)
 944        u8 status_class;
 945        u8 status_detail;
 946        u16 reserved4;
 947#elif defined(__LITTLE_ENDIAN)
 948        u16 reserved4;
 949        u8 status_detail;
 950        u8 status_class;
 951#endif
 952        u32 reserved5[3];
 953#if defined(__BIG_ENDIAN)
 954        u16 reserved6;
 955        u16 itt;
 956#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 957#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 958#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 959#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 960#elif defined(__LITTLE_ENDIAN)
 961        u16 itt;
 962#define ISCSI_LOGIN_RESPONSE_INDEX (0x3FFF<<0)
 963#define ISCSI_LOGIN_RESPONSE_INDEX_SHIFT 0
 964#define ISCSI_LOGIN_RESPONSE_TYPE (0x3<<14)
 965#define ISCSI_LOGIN_RESPONSE_TYPE_SHIFT 14
 966        u16 reserved6;
 967#endif
 968        u32 cq_req_sn;
 969};
 970
 971
 972/*
 973 * iSCSI Logout SQ WQE
 974 */
 975struct bnx2i_logout_request {
 976#if defined(__BIG_ENDIAN)
 977        u8 op_code;
 978        u8 op_attr;
 979#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 980#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 981#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 982#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 983        u16 reserved0;
 984#elif defined(__LITTLE_ENDIAN)
 985        u16 reserved0;
 986        u8 op_attr;
 987#define ISCSI_LOGOUT_REQUEST_REASON (0x7F<<0)
 988#define ISCSI_LOGOUT_REQUEST_REASON_SHIFT 0
 989#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE (0x1<<7)
 990#define ISCSI_LOGOUT_REQUEST_ALWAYS_ONE_SHIFT 7
 991        u8 op_code;
 992#endif
 993        u32 data_length;
 994        u32 reserved1[2];
 995#if defined(__BIG_ENDIAN)
 996        u16 reserved2;
 997        u16 itt;
 998#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
 999#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
1000#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)

1001#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
1002#elif defined(__LITTLE_ENDIAN)
1003        u16 itt;
1004#define ISCSI_LOGOUT_REQUEST_INDEX (0x3FFF<<0)
1005#define ISCSI_LOGOUT_REQUEST_INDEX_SHIFT 0
1006#define ISCSI_LOGOUT_REQUEST_TYPE (0x3<<14)
1007#define ISCSI_LOGOUT_REQUEST_TYPE_SHIFT 14
1008        u16 reserved2;
1009#endif
1010#if defined(__BIG_ENDIAN)
1011        u16 cid;
1012        u16 reserved3;
1013#elif defined(__LITTLE_ENDIAN)
1014        u16 reserved3;
1015        u16 cid;
1016#endif
1017        u32 cmd_sn;
1018        u32 reserved4[5];
1019        u32 zero_fill;
1020        u32 bd_list_addr_lo;
1021        u32 bd_list_addr_hi;
1022#if defined(__BIG_ENDIAN)
1023        u8 cq_index;
1024        u8 reserved6;
1025        u8 reserved5;
1026        u8 num_bds;
1027#elif defined(__LITTLE_ENDIAN)
1028        u8 num_bds;
1029        u8 reserved5;
1030        u8 reserved6;
1031        u8 cq_index;
1032#endif
1033};
1034
1035
1036/*
1037 * iSCSI Logout CQE
1038 */
1039struct bnx2i_logout_response {
1040#if defined(__BIG_ENDIAN)
1041        u8 op_code;
1042        u8 reserved1;
1043        u8 response;
1044        u8 reserved0;
1045#elif defined(__LITTLE_ENDIAN)
1046        u8 reserved0;
1047        u8 response;
1048        u8 reserved1;
1049        u8 op_code;
1050#endif
1051        u32 reserved2;
1052        u32 exp_cmd_sn;
1053        u32 max_cmd_sn;
1054        u32 reserved3[2];
1055#if defined(__BIG_ENDIAN)
1056        u16 reserved5;
1057        u8 err_code;
1058        u8 reserved4;
1059#elif defined(__LITTLE_ENDIAN)
1060        u8 reserved4;
1061        u8 err_code;
1062        u16 reserved5;
1063#endif
1064        u32 reserved6[3];
1065#if defined(__BIG_ENDIAN)
1066        u16 time_to_wait;
1067        u16 time_to_retain;
1068#elif defined(__LITTLE_ENDIAN)
1069        u16 time_to_retain;
1070        u16 time_to_wait;
1071#endif
1072        u32 reserved7[3];
1073#if defined(__BIG_ENDIAN)
1074        u16 reserved8;
1075        u16 itt;
1076#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1077#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1078#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1079#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1080#elif defined(__LITTLE_ENDIAN)
1081        u16 itt;
1082#define ISCSI_LOGOUT_RESPONSE_INDEX (0x3FFF<<0)
1083#define ISCSI_LOGOUT_RESPONSE_INDEX_SHIFT 0
1084#define ISCSI_LOGOUT_RESPONSE_TYPE (0x3<<14)
1085#define ISCSI_LOGOUT_RESPONSE_TYPE_SHIFT 14
1086        u16 reserved8;
1087#endif
1088        u32 cq_req_sn;
1089};
1090
1091
1092/*
1093 * iSCSI Nop-In CQE
1094 */
1095struct bnx2i_nop_in_msg {
1096#if defined(__BIG_ENDIAN)
1097        u8 op_code;
1098        u8 reserved1;
1099        u16 reserved0;
1100#elif defined(__LITTLE_ENDIAN)
1101        u16 reserved0;
1102        u8 reserved1;
1103        u8 op_code;
1104#endif
1105        u32 data_length;
1106        u32 exp_cmd_sn;
1107        u32 max_cmd_sn;
1108        u32 ttt;
1109        u32 reserved2;
1110#if defined(__BIG_ENDIAN)
1111        u16 reserved4;
1112        u8 err_code;
1113        u8 reserved3;
1114#elif defined(__LITTLE_ENDIAN)
1115        u8 reserved3;
1116        u8 err_code;
1117        u16 reserved4;
1118#endif
1119        u32 reserved5;
1120        u32 lun[2];
1121        u32 reserved6[4];
1122#if defined(__BIG_ENDIAN)
1123        u16 reserved7;
1124        u16 itt;
1125#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1126#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1127#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1128#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1129#elif defined(__LITTLE_ENDIAN)
1130        u16 itt;
1131#define ISCSI_NOP_IN_MSG_INDEX (0x3FFF<<0)
1132#define ISCSI_NOP_IN_MSG_INDEX_SHIFT 0
1133#define ISCSI_NOP_IN_MSG_TYPE (0x3<<14)
1134#define ISCSI_NOP_IN_MSG_TYPE_SHIFT 14
1135        u16 reserved7;
1136#endif
1137        u32 cq_req_sn;
1138};
1139
1140
1141/*
1142 * iSCSI NOP-OUT SQ WQE
1143 */
1144struct bnx2i_nop_out_request {
1145#if defined(__BIG_ENDIAN)
1146        u8 op_code;
1147        u8 op_attr;
1148#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1149#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1150#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1151#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1152        u16 reserved0;
1153#elif defined(__LITTLE_ENDIAN)
1154        u16 reserved0;
1155        u8 op_attr;
1156#define ISCSI_NOP_OUT_REQUEST_RESERVED1 (0x7F<<0)
1157#define ISCSI_NOP_OUT_REQUEST_RESERVED1_SHIFT 0
1158#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE (0x1<<7)
1159#define ISCSI_NOP_OUT_REQUEST_ALWAYS_ONE_SHIFT 7
1160        u8 op_code;
1161#endif
1162        u32 data_length;
1163        u32 lun[2];
1164#if defined(__BIG_ENDIAN)
1165        u16 reserved2;
1166        u16 itt;
1167#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1168#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1169#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1170#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1171#elif defined(__LITTLE_ENDIAN)
1172        u16 itt;
1173#define ISCSI_NOP_OUT_REQUEST_INDEX (0x3FFF<<0)
1174#define ISCSI_NOP_OUT_REQUEST_INDEX_SHIFT 0
1175#define ISCSI_NOP_OUT_REQUEST_TYPE (0x3<<14)
1176#define ISCSI_NOP_OUT_REQUEST_TYPE_SHIFT 14
1177        u16 reserved2;
1178#endif
1179        u32 ttt;
1180        u32 cmd_sn;
1181        u32 reserved3[2];
1182        u32 resp_bd_list_addr_lo;
1183        u32 resp_bd_list_addr_hi;
1184        u32 resp_buffer;
1185#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1186#define ISCSI_NOP_OUT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1187#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1188#define ISCSI_NOP_OUT_REQUEST_NUM_RESP_BDS_SHIFT 24
1189#if defined(__BIG_ENDIAN)
1190        u16 reserved7;
1191        u8 reserved6;
1192        u8 flags;
1193#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1194#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1195#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1196#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1197#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1198#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1199#elif defined(__LITTLE_ENDIAN)
1200        u8 flags;
1201#define ISCSI_NOP_OUT_REQUEST_RESERVED4 (0x1<<0)
1202#define ISCSI_NOP_OUT_REQUEST_RESERVED4_SHIFT 0
1203#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION (0x1<<1)
1204#define ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION_SHIFT 1
1205#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL (0x3F<<2)
1206#define ISCSI_NOP_OUT_REQUEST_ZERO_FILL_SHIFT 2
1207        u8 reserved6;
1208        u16 reserved7;
1209#endif
1210        u32 bd_list_addr_lo;
1211        u32 bd_list_addr_hi;
1212#if defined(__BIG_ENDIAN)
1213        u8 cq_index;
1214        u8 reserved9;
1215        u8 reserved8;
1216        u8 num_bds;
1217#elif defined(__LITTLE_ENDIAN)
1218        u8 num_bds;
1219        u8 reserved8;
1220        u8 reserved9;
1221        u8 cq_index;
1222#endif
1223};
1224
1225/*
1226 * iSCSI Reject CQE
1227 */
1228struct bnx2i_reject_msg {
1229#if defined(__BIG_ENDIAN)
1230        u8 op_code;
1231        u8 reserved1;
1232        u8 reason;
1233        u8 reserved0;
1234#elif defined(__LITTLE_ENDIAN)
1235        u8 reserved0;
1236        u8 reason;
1237        u8 reserved1;
1238        u8 op_code;
1239#endif
1240        u32 data_length;
1241        u32 exp_cmd_sn;
1242        u32 max_cmd_sn;
1243        u32 reserved2[2];
1244#if defined(__BIG_ENDIAN)
1245        u16 reserved4;
1246        u8 err_code;
1247        u8 reserved3;
1248#elif defined(__LITTLE_ENDIAN)
1249        u8 reserved3;
1250        u8 err_code;
1251        u16 reserved4;
1252#endif
1253        u32 reserved5[8];
1254        u32 cq_req_sn;
1255};
1256
1257/*
1258 * bnx2i iSCSI TMF SQ WQE
1259 */
1260struct bnx2i_tmf_request {
1261#if defined(__BIG_ENDIAN)
1262        u8 op_code;
1263        u8 op_attr;
1264#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1265#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1266#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1267#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1268        u16 reserved0;
1269#elif defined(__LITTLE_ENDIAN)
1270        u16 reserved0;
1271        u8 op_attr;
1272#define ISCSI_TMF_REQUEST_FUNCTION (0x7F<<0)
1273#define ISCSI_TMF_REQUEST_FUNCTION_SHIFT 0
1274#define ISCSI_TMF_REQUEST_ALWAYS_ONE (0x1<<7)
1275#define ISCSI_TMF_REQUEST_ALWAYS_ONE_SHIFT 7
1276        u8 op_code;
1277#endif
1278        u32 data_length;
1279        u32 lun[2];
1280#if defined(__BIG_ENDIAN)
1281        u16 reserved1;
1282        u16 itt;
1283#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1284#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1285#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1286#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1287#elif defined(__LITTLE_ENDIAN)
1288        u16 itt;
1289#define ISCSI_TMF_REQUEST_INDEX (0x3FFF<<0)
1290#define ISCSI_TMF_REQUEST_INDEX_SHIFT 0
1291#define ISCSI_TMF_REQUEST_TYPE (0x3<<14)
1292#define ISCSI_TMF_REQUEST_TYPE_SHIFT 14
1293        u16 reserved1;
1294#endif
1295        u32 ref_itt;
1296        u32 cmd_sn;
1297        u32 reserved2;
1298        u32 ref_cmd_sn;
1299        u32 reserved3[3];
1300        u32 zero_fill;
1301        u32 bd_list_addr_lo;
1302        u32 bd_list_addr_hi;
1303#if defined(__BIG_ENDIAN)
1304        u8 cq_index;
1305        u8 reserved5;
1306        u8 reserved4;
1307        u8 num_bds;
1308#elif defined(__LITTLE_ENDIAN)
1309        u8 num_bds;
1310        u8 reserved4;
1311        u8 reserved5;
1312        u8 cq_index;
1313#endif
1314};
1315
1316/*
1317 * iSCSI Text SQ WQE
1318 */
1319struct bnx2i_text_request {
1320#if defined(__BIG_ENDIAN)
1321        u8 op_code;
1322        u8 op_attr;
1323#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1324#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1325#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1326#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1327#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1328#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1329        u16 reserved0;
1330#elif defined(__LITTLE_ENDIAN)
1331        u16 reserved0;
1332        u8 op_attr;
1333#define ISCSI_TEXT_REQUEST_RESERVED1 (0x3F<<0)
1334#define ISCSI_TEXT_REQUEST_RESERVED1_SHIFT 0
1335#define ISCSI_TEXT_REQUEST_CONT (0x1<<6)
1336#define ISCSI_TEXT_REQUEST_CONT_SHIFT 6
1337#define ISCSI_TEXT_REQUEST_FINAL (0x1<<7)
1338#define ISCSI_TEXT_REQUEST_FINAL_SHIFT 7
1339        u8 op_code;
1340#endif
1341        u32 data_length;
1342        u32 lun[2];
1343#if defined(__BIG_ENDIAN)
1344        u16 reserved3;
1345        u16 itt;
1346#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1347#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1348#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1349#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1350#elif defined(__LITTLE_ENDIAN)
1351        u16 itt;
1352#define ISCSI_TEXT_REQUEST_INDEX (0x3FFF<<0)
1353#define ISCSI_TEXT_REQUEST_INDEX_SHIFT 0
1354#define ISCSI_TEXT_REQUEST_TYPE (0x3<<14)
1355#define ISCSI_TEXT_REQUEST_TYPE_SHIFT 14
1356        u16 reserved3;
1357#endif
1358        u32 ttt;
1359        u32 cmd_sn;
1360        u32 reserved4[2];
1361        u32 resp_bd_list_addr_lo;
1362        u32 resp_bd_list_addr_hi;
1363        u32 resp_buffer;
1364#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH (0xFFFFFF<<0)
1365#define ISCSI_TEXT_REQUEST_RESP_BUFFER_LENGTH_SHIFT 0
1366#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS (0xFF<<24)
1367#define ISCSI_TEXT_REQUEST_NUM_RESP_BDS_SHIFT 24
1368        u32 zero_fill;
1369        u32 bd_list_addr_lo;
1370        u32 bd_list_addr_hi;
1371#if defined(__BIG_ENDIAN)
1372        u8 cq_index;
1373        u8 reserved7;
1374        u8 reserved6;
1375        u8 num_bds;
1376#elif defined(__LITTLE_ENDIAN)
1377        u8 num_bds;
1378        u8 reserved6;
1379        u8 reserved7;
1380        u8 cq_index;
1381#endif
1382};
1383
1384/*
1385 * iSCSI SQ WQE
1386 */
1387union iscsi_request {
1388        struct bnx2i_cmd_request cmd;
1389        struct bnx2i_tmf_request tmf;
1390        struct bnx2i_nop_out_request nop_out;
1391        struct bnx2i_login_request login_req;
1392        struct bnx2i_text_request text;
1393        struct bnx2i_logout_request logout_req;
1394        struct bnx2i_cleanup_request cleanup;
1395};
1396
1397
1398/*
1399 * iSCSI TMF CQE
1400 */
1401struct bnx2i_tmf_response {
1402#if defined(__BIG_ENDIAN)
1403        u8 op_code;
1404        u8 reserved1;
1405        u8 response;
1406        u8 reserved0;
1407#elif defined(__LITTLE_ENDIAN)
1408        u8 reserved0;
1409        u8 response;
1410        u8 reserved1;
1411        u8 op_code;
1412#endif
1413        u32 reserved2;
1414        u32 exp_cmd_sn;
1415        u32 max_cmd_sn;
1416        u32 reserved3[2];
1417#if defined(__BIG_ENDIAN)
1418        u16 reserved5;
1419        u8 err_code;
1420        u8 reserved4;
1421#elif defined(__LITTLE_ENDIAN)
1422        u8 reserved4;
1423        u8 err_code;
1424        u16 reserved5;
1425#endif
1426        u32 reserved6[7];
1427#if defined(__BIG_ENDIAN)
1428        u16 reserved7;
1429        u16 itt;
1430#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1431#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1432#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1433#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1434#elif defined(__LITTLE_ENDIAN)
1435        u16 itt;
1436#define ISCSI_TMF_RESPONSE_INDEX (0x3FFF<<0)
1437#define ISCSI_TMF_RESPONSE_INDEX_SHIFT 0
1438#define ISCSI_TMF_RESPONSE_TYPE (0x3<<14)
1439#define ISCSI_TMF_RESPONSE_TYPE_SHIFT 14
1440        u16 reserved7;
1441#endif
1442        u32 cq_req_sn;
1443};
1444
1445/*
1446 * iSCSI Text CQE
1447 */
1448struct bnx2i_text_response {
1449#if defined(__BIG_ENDIAN)
1450        u8 op_code;
1451        u8 response_flags;
1452#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1453#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1454#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1455#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1456#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1457#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1458        u16 reserved0;
1459#elif defined(__LITTLE_ENDIAN)
1460        u16 reserved0;
1461        u8 response_flags;
1462#define ISCSI_TEXT_RESPONSE_RESERVED1 (0x3F<<0)
1463#define ISCSI_TEXT_RESPONSE_RESERVED1_SHIFT 0
1464#define ISCSI_TEXT_RESPONSE_CONT (0x1<<6)
1465#define ISCSI_TEXT_RESPONSE_CONT_SHIFT 6
1466#define ISCSI_TEXT_RESPONSE_FINAL (0x1<<7)
1467#define ISCSI_TEXT_RESPONSE_FINAL_SHIFT 7
1468        u8 op_code;
1469#endif
1470        u32 data_length;
1471        u32 exp_cmd_sn;
1472        u32 max_cmd_sn;
1473        u32 ttt;
1474        u32 reserved2;
1475#if defined(__BIG_ENDIAN)
1476        u16 reserved4;
1477        u8 err_code;
1478        u8 reserved3;
1479#elif defined(__LITTLE_ENDIAN)
1480        u8 reserved3;
1481        u8 err_code;
1482        u16 reserved4;
1483#endif
1484        u32 reserved5;
1485        u32 lun[2];
1486        u32 reserved6[4];
1487#if defined(__BIG_ENDIAN)
1488        u16 reserved7;
1489        u16 itt;
1490#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1491#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1492#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1493#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1494#elif defined(__LITTLE_ENDIAN)
1495        u16 itt;
1496#define ISCSI_TEXT_RESPONSE_INDEX (0x3FFF<<0)
1497#define ISCSI_TEXT_RESPONSE_INDEX_SHIFT 0
1498#define ISCSI_TEXT_RESPONSE_TYPE (0x3<<14)
1499#define ISCSI_TEXT_RESPONSE_TYPE_SHIFT 14
1500        u16 reserved7;
1501#endif
1502        u32 cq_req_sn;
1503};
1504
1505/*
1506 * iSCSI CQE
1507 */
1508union iscsi_response {
1509        struct bnx2i_cmd_response cmd;
1510        struct bnx2i_tmf_response tmf;
1511        struct bnx2i_login_response login_resp;
1512        struct bnx2i_text_response text;
1513        struct bnx2i_logout_response logout_resp;
1514        struct bnx2i_cleanup_response cleanup;
1515        struct bnx2i_reject_msg reject;
1516        struct bnx2i_async_msg async;
1517        struct bnx2i_nop_in_msg nop_in;
1518};
1519
1520#endif /* __57XX_ISCSI_HSI_LINUX_LE__ */
1521