drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2012 Emulex
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Contact Information:
  11  * linux-drivers@emulex.com
  12  *
  13  * Emulex
  14  * 3333 Susan Street
  15  * Costa Mesa, CA 92626
  16  */
  17
  18 #ifndef BEISCSI_CMDS_H
  19 #define BEISCSI_CMDS_H
  20
  21 /**
  22  * The driver sends configuration and managements command requests to the
  23  * firmware in the BE. These requests are communicated to the processor
  24  * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
  25  * WRB inside a MAILBOX.
  26  * The commands are serviced by the ARM processor in the OneConnect's MPU.
  27  */
  28 struct be_sge {
  29         u32 pa_lo;
  30         u32 pa_hi;
  31         u32 len;
  32 };
  33
  34 #define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
  35 #define MCC_WRB_SGE_CNT_MASK 0x1F       /* bits 3 - 7 of dword 0 */
  36 struct be_mcc_wrb {
  37         u32 embedded;           /* dword 0 */
  38         u32 payload_length;     /* dword 1 */
  39         u32 tag0;               /* dword 2 */
  40         u32 tag1;               /* dword 3 */
  41         u32 rsvd;               /* dword 4 */
  42         union {
  43                 u8 embedded_payload[236];       /* used by embedded cmds */
  44                 struct be_sge sgl[19];  /* used by non-embedded cmds */
  45         } payload;
  46 };
  47
  48 #define CQE_FLAGS_VALID_MASK (1 << 31)
  49 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
  50 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
  51 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
  52
  53 /* Completion Status */
  54 #define MCC_STATUS_SUCCESS 0x0
  55
  56 #define CQE_STATUS_COMPL_MASK 0xFFFF
  57 #define CQE_STATUS_COMPL_SHIFT 0        /* bits 0 - 15 */
  58 #define CQE_STATUS_EXTD_MASK 0xFFFF
  59 #define CQE_STATUS_EXTD_SHIFT 16                /* bits 0 - 15 */
  60 #define CQE_STATUS_ADDL_MASK    0xFF00
  61 #define CQE_STATUS_MASK 0xFF
  62 #define CQE_STATUS_ADDL_SHIFT   0x08
  63 #define CQE_STATUS_WRB_MASK     0xFF0000
  64 #define CQE_STATUS_WRB_SHIFT    16
  65 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  66 #define BEISCSI_FW_MBX_TIMEOUT  100
  67
  68 /* MBOX Command VER */
  69 #define MBX_CMD_VER2    0x02
  70
  71 struct be_mcc_compl {
  72         u32 status;             /* dword 0 */
  73         u32 tag0;               /* dword 1 */
  74         u32 tag1;               /* dword 2 */
  75         u32 flags;              /* dword 3 */
  76 };
  77
  78 /********* Mailbox door bell *************/
  79 /**
  80  * Used for driver communication with the FW.
  81  * The software must write this register twice to post any command. First,
  82  * it writes the register with hi=1 and the upper bits of the physical address
  83  * for the MAILBOX structure. Software must poll the ready bit until this
  84  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  85  * bits in the address. It must poll the ready bit until the command is
  86  * complete. Upon completion, the MAILBOX will contain a valid completion
  87  * queue entry.
  88  */
  89 #define MPU_MAILBOX_DB_OFFSET   0x160
  90 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  91 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  92
  93 /********** MPU semphore ******************/
  94 #define MPU_EP_SEMAPHORE_OFFSET 0xac
  95 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
  96 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
  97 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
  98
  99 /********** MCC door bell ************/
 100 #define DB_MCCQ_OFFSET 0x140
 101 #define DB_MCCQ_RING_ID_MASK 0x7FF              /* bits 0 - 10 */
 102 /* Number of entries posted */
 103 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 104
 105 /* MPU semphore POST stage values */
 106 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
 107
 108 /**
 109  * When the async bit of mcc_compl is set, the last 4 bytes of
 110  * mcc_compl is interpreted as follows:
 111  */
 112 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 113 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 114 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 115 struct be_async_event_trailer {
 116         u32 code;
 117 };
 118
 119 enum {
 120         ASYNC_EVENT_LINK_DOWN = 0x0,
 121         ASYNC_EVENT_LINK_UP = 0x1
 122 };
 123
 124 /**
 125  * When the event code of an async trailer is link-state, the mcc_compl
 126  * must be interpreted as follows
 127  */
 128 struct be_async_event_link_state {
 129         u8 physical_port;
 130         u8 port_link_status;
 131         u8 port_duplex;
 132         u8 port_speed;
 133         u8 port_fault;
 134         u8 rsvd0[7];
 135         struct be_async_event_trailer trailer;
 136 } __packed;
 137
 138 struct be_mcc_mailbox {
 139         struct be_mcc_wrb wrb;
 140         struct be_mcc_compl compl;
 141 };
 142
 143 /* Type of subsystems supported by FW */
 144 #define CMD_SUBSYSTEM_COMMON    0x1
 145 #define CMD_SUBSYSTEM_ISCSI     0x2
 146 #define CMD_SUBSYSTEM_ETH       0x3
 147 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 148 #define CMD_COMMON_TCP_UPLOAD   0x1
 149
 150 /**
 151  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 152  * These opcodes are unique for each subsystem defined above
 153  */
 154 #define OPCODE_COMMON_CQ_CREATE                         12
 155 #define OPCODE_COMMON_EQ_CREATE                         13
 156 #define OPCODE_COMMON_MCC_CREATE                        21
 157 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 158 #define OPCODE_COMMON_GET_FW_VERSION                    35
 159 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 160 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 161 #define OPCODE_COMMON_MCC_DESTROY                       53
 162 #define OPCODE_COMMON_CQ_DESTROY                        54
 163 #define OPCODE_COMMON_EQ_DESTROY                        55
 164 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 165 #define OPCODE_COMMON_FUNCTION_RESET                    61
 166
 167 /**
 168  * LIST of opcodes that are common between Initiator and Target
 169  * used by CMD_SUBSYSTEM_ISCSI
 170  * These opcodes are unique for each subsystem defined above
 171  */
 172 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 173 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 174 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 175 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 176 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 177 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 178 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 179 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 180 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 181 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 182 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 183 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 184 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 185 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 186 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 187 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 188
 189 struct be_cmd_req_hdr {
 190         u8 opcode;              /* dword 0 */
 191         u8 subsystem;           /* dword 0 */
 192         u8 port_number;         /* dword 0 */
 193         u8 domain;              /* dword 0 */
 194         u32 timeout;            /* dword 1 */
 195         u32 request_length;     /* dword 2 */
 196         u8 version;             /* dword 3 */
 197         u8 rsvd0[3];            /* dword 3 */
 198 };
 199
 200 struct be_cmd_resp_hdr {
 201         u32 info;               /* dword 0 */
 202         u32 status;             /* dword 1 */
 203         u32 response_length;    /* dword 2 */
 204         u32 actual_resp_len;    /* dword 3 */
 205 };
 206
 207 struct phys_addr {
 208         u32 lo;
 209         u32 hi;
 210 };
 211
 212 /**************************
 213  * BE Command definitions *
 214  **************************/
 215
 216 /**
 217  * Pseudo amap definition in which each bit of the actual structure is defined
 218  * as a byte - used to calculate offset/shift/mask of each field
 219  */
 220 struct amap_eq_context {
 221         u8 cidx[13];            /* dword 0 */
 222         u8 rsvd0[3];            /* dword 0 */
 223         u8 epidx[13];           /* dword 0 */
 224         u8 valid;               /* dword 0 */
 225         u8 rsvd1;               /* dword 0 */
 226         u8 size;                /* dword 0 */
 227         u8 pidx[13];            /* dword 1 */
 228         u8 rsvd2[3];            /* dword 1 */
 229         u8 pd[10];              /* dword 1 */
 230         u8 count[3];            /* dword 1 */
 231         u8 solevent;            /* dword 1 */
 232         u8 stalled;             /* dword 1 */
 233         u8 armed;               /* dword 1 */
 234         u8 rsvd3[4];            /* dword 2 */
 235         u8 func[8];             /* dword 2 */
 236         u8 rsvd4;               /* dword 2 */
 237         u8 delaymult[10];       /* dword 2 */
 238         u8 rsvd5[2];            /* dword 2 */
 239         u8 phase[2];            /* dword 2 */
 240         u8 nodelay;             /* dword 2 */
 241         u8 rsvd6[4];            /* dword 2 */
 242         u8 rsvd7[32];           /* dword 3 */
 243 } __packed;
 244
 245 struct be_cmd_req_eq_create {
 246         struct be_cmd_req_hdr hdr;      /* dw[4] */
 247         u16 num_pages;          /* sword */
 248         u16 rsvd0;              /* sword */
 249         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 250         struct phys_addr pages[8];
 251 } __packed;
 252
 253 struct be_cmd_resp_eq_create {
 254         struct be_cmd_resp_hdr resp_hdr;
 255         u16 eq_id;              /* sword */
 256         u16 rsvd0;              /* sword */
 257 } __packed;
 258
 259 struct mgmt_chap_format {
 260         u32 flags;
 261         u8  intr_chap_name[256];
 262         u8  intr_secret[16];
 263         u8  target_chap_name[256];
 264         u8  target_secret[16];
 265         u16 intr_chap_name_length;
 266         u16 intr_secret_length;
 267         u16 target_chap_name_length;
 268         u16 target_secret_length;
 269 } __packed;
 270
 271 struct mgmt_auth_method_format {
 272         u8      auth_method_type;
 273         u8      padding[3];
 274         struct  mgmt_chap_format chap;
 275 } __packed;
 276
 277 struct mgmt_conn_login_options {
 278         u8 flags;
 279         u8 header_digest;
 280         u8 data_digest;
 281         u8 rsvd0;
 282         u32 max_recv_datasegment_len_ini;
 283         u32 max_recv_datasegment_len_tgt;
 284         u32 tcp_mss;
 285         u32 tcp_window_size;
 286         struct  mgmt_auth_method_format auth_data;
 287 } __packed;
 288
 289 struct ip_addr_format {
 290         u16 size_of_structure;
 291         u8 reserved;
 292         u8 ip_type;
 293         u8 addr[16];
 294         u32 rsvd0;
 295 } __packed;
 296
 297 struct mgmt_conn_info {
 298         u32     connection_handle;
 299         u32     connection_status;
 300         u16     src_port;
 301         u16     dest_port;
 302         u16     dest_port_redirected;
 303         u16     cid;
 304         u32     estimated_throughput;
 305         struct  ip_addr_format  src_ipaddr;
 306         struct  ip_addr_format  dest_ipaddr;
 307         struct  ip_addr_format  dest_ipaddr_redirected;
 308         struct  mgmt_conn_login_options negotiated_login_options;
 309 } __packed;
 310
 311 struct mgmt_session_login_options {
 312         u8      flags;
 313         u8      error_recovery_level;
 314         u16     rsvd0;
 315         u32     first_burst_length;
 316         u32     max_burst_length;
 317         u16     max_connections;
 318         u16     max_outstanding_r2t;
 319         u16     default_time2wait;
 320         u16     default_time2retain;
 321 } __packed;
 322
 323 struct mgmt_session_info {
 324         u32     session_handle;
 325         u32     status;
 326         u8      isid[6];
 327         u16     tsih;
 328         u32     session_flags;
 329         u16     conn_count;
 330         u16     pad;
 331         u8      target_name[224];
 332         u8      initiator_iscsiname[224];
 333         struct  mgmt_session_login_options negotiated_login_options;
 334         struct  mgmt_conn_info  conn_list[1];
 335 } __packed;
 336
 337 struct be_cmd_get_session_req {
 338         struct be_cmd_req_hdr hdr;
 339         u32 session_handle;
 340 } __packed;
 341
 342 struct be_cmd_get_session_resp {
 343         struct be_cmd_resp_hdr hdr;
 344         struct mgmt_session_info session_info;
 345 } __packed;
 346
 347 struct mac_addr {
 348         u16 size_of_structure;
 349         u8 addr[ETH_ALEN];
 350 } __packed;
 351
 352 struct be_cmd_get_boot_target_req {
 353         struct be_cmd_req_hdr hdr;
 354 } __packed;
 355
 356 struct be_cmd_get_boot_target_resp {
 357         struct be_cmd_resp_hdr hdr;
 358         u32  boot_session_count;
 359         int  boot_session_handle;
 360 };
 361
 362 struct be_cmd_reopen_session_req {
 363         struct be_cmd_req_hdr hdr;
 364 #define BE_REOPEN_ALL_SESSIONS  0x00
 365 #define BE_REOPEN_BOOT_SESSIONS 0x01
 366 #define BE_REOPEN_A_SESSION     0x02
 367         u16 reopen_type;
 368         u16 rsvd;
 369         u32 session_handle;
 370 } __packed;
 371
 372 struct be_cmd_reopen_session_resp {
 373         struct be_cmd_resp_hdr hdr;
 374         u32 rsvd;
 375         u32 session_handle;
 376 } __packed;
 377
 378
 379 struct be_cmd_mac_query_req {
 380         struct be_cmd_req_hdr hdr;
 381         u8 type;
 382         u8 permanent;
 383         u16 if_id;
 384 } __packed;
 385
 386 struct be_cmd_get_mac_resp {
 387         struct be_cmd_resp_hdr hdr;
 388         struct mac_addr mac;
 389 };
 390
 391 struct be_ip_addr_subnet_format {
 392         u16 size_of_structure;
 393         u8 ip_type;
 394         u8 ipv6_prefix_length;
 395         u8 addr[16];
 396         u8 subnet_mask[16];
 397         u32 rsvd0;
 398 } __packed;
 399
 400 struct be_cmd_get_if_info_req {
 401         struct be_cmd_req_hdr hdr;
 402         u32 interface_hndl;
 403         u32 ip_type;
 404 } __packed;
 405
 406 struct be_cmd_get_if_info_resp {
 407         struct be_cmd_req_hdr hdr;
 408         u32 interface_hndl;
 409         u32 vlan_priority;
 410         u32 ip_addr_count;
 411         u32 dhcp_state;
 412         struct be_ip_addr_subnet_format ip_addr;
 413 } __packed;
 414
 415 struct be_ip_addr_record {
 416         u32 action;
 417         u32 interface_hndl;
 418         struct be_ip_addr_subnet_format ip_addr;
 419         u32 status;
 420 } __packed;
 421
 422 struct be_ip_addr_record_params {
 423         u32 record_entry_count;
 424         struct be_ip_addr_record ip_record;
 425 } __packed;
 426
 427 struct be_cmd_set_ip_addr_req {
 428         struct be_cmd_req_hdr hdr;
 429         struct be_ip_addr_record_params ip_params;
 430 } __packed;
 431
 432
 433 struct be_cmd_set_dhcp_req {
 434         struct be_cmd_req_hdr hdr;
 435         u32 interface_hndl;
 436         u32 ip_type;
 437         u32 flags;
 438         u32 retry_count;
 439 } __packed;
 440
 441 struct be_cmd_rel_dhcp_req {
 442         struct be_cmd_req_hdr hdr;
 443         u32 interface_hndl;
 444         u32 ip_type;
 445 } __packed;
 446
 447 struct be_cmd_set_def_gateway_req {
 448         struct be_cmd_req_hdr hdr;
 449         u32 action;
 450         struct ip_addr_format ip_addr;
 451 } __packed;
 452
 453 struct be_cmd_get_def_gateway_req {
 454         struct be_cmd_req_hdr hdr;
 455         u32 ip_type;
 456 } __packed;
 457
 458 struct be_cmd_get_def_gateway_resp {
 459         struct be_cmd_req_hdr hdr;
 460         struct ip_addr_format ip_addr;
 461 } __packed;
 462
 463 #define BEISCSI_VLAN_DISABLE    0xFFFF
 464 struct be_cmd_set_vlan_req {
 465         struct be_cmd_req_hdr hdr;
 466         u32 interface_hndl;
 467         u32 vlan_priority;
 468 } __packed;
 469 /******************** Create CQ ***************************/
 470 /**
 471  * Pseudo amap definition in which each bit of the actual structure is defined
 472  * as a byte - used to calculate offset/shift/mask of each field
 473  */
 474 struct amap_cq_context {
 475         u8 cidx[11];            /* dword 0 */
 476         u8 rsvd0;               /* dword 0 */
 477         u8 coalescwm[2];        /* dword 0 */
 478         u8 nodelay;             /* dword 0 */
 479         u8 epidx[11];           /* dword 0 */
 480         u8 rsvd1;               /* dword 0 */
 481         u8 count[2];            /* dword 0 */
 482         u8 valid;               /* dword 0 */
 483         u8 solevent;            /* dword 0 */
 484         u8 eventable;           /* dword 0 */
 485         u8 pidx[11];            /* dword 1 */
 486         u8 rsvd2;               /* dword 1 */
 487         u8 pd[10];              /* dword 1 */
 488         u8 eqid[8];             /* dword 1 */
 489         u8 stalled;             /* dword 1 */
 490         u8 armed;               /* dword 1 */
 491         u8 rsvd3[4];            /* dword 2 */
 492         u8 func[8];             /* dword 2 */
 493         u8 rsvd4[20];           /* dword 2 */
 494         u8 rsvd5[32];           /* dword 3 */
 495 } __packed;
 496
 497 struct amap_cq_context_v2 {
 498         u8 rsvd0[12];   /* dword 0 */
 499         u8 coalescwm[2];    /* dword 0 */
 500         u8 nodelay;     /* dword 0 */
 501         u8 rsvd1[12];   /* dword 0 */
 502         u8 count[2];    /* dword 0 */
 503         u8 valid;       /* dword 0 */
 504         u8 rsvd2;       /* dword 0 */
 505         u8 eventable;   /* dword 0 */
 506         u8 eqid[16];    /* dword 1 */
 507         u8 rsvd3[15];   /* dword 1 */
 508         u8 armed;       /* dword 1 */
 509         u8 cqecount[16];/* dword 2 */
 510         u8 rsvd4[16];   /* dword 2 */
 511         u8 rsvd5[32];   /* dword 3 */
 512 };
 513
 514 struct be_cmd_req_cq_create {
 515         struct be_cmd_req_hdr hdr;
 516         u16 num_pages;
 517         u8 page_size;
 518         u8 rsvd0;
 519         u8 context[sizeof(struct amap_cq_context) / 8];
 520         struct phys_addr pages[4];
 521 } __packed;
 522
 523 struct be_cmd_resp_cq_create {
 524         struct be_cmd_resp_hdr hdr;
 525         u16 cq_id;
 526         u16 rsvd0;
 527 } __packed;
 528
 529 /******************** Create MCCQ ***************************/
 530 /**
 531  * Pseudo amap definition in which each bit of the actual structure is defined
 532  * as a byte - used to calculate offset/shift/mask of each field
 533  */
 534 struct amap_mcc_context {
 535         u8 con_index[14];
 536         u8 rsvd0[2];
 537         u8 ring_size[4];
 538         u8 fetch_wrb;
 539         u8 fetch_r2t;
 540         u8 cq_id[10];
 541         u8 prod_index[14];
 542         u8 fid[8];
 543         u8 pdid[9];
 544         u8 valid;
 545         u8 rsvd1[32];
 546         u8 rsvd2[32];
 547 } __packed;
 548
 549 struct be_cmd_req_mcc_create {
 550         struct be_cmd_req_hdr hdr;
 551         u16 num_pages;
 552         u16 rsvd0;
 553         u8 context[sizeof(struct amap_mcc_context) / 8];
 554         struct phys_addr pages[8];
 555 } __packed;
 556
 557 struct be_cmd_resp_mcc_create {
 558         struct be_cmd_resp_hdr hdr;
 559         u16 id;
 560         u16 rsvd0;
 561 } __packed;
 562
 563 /******************** Q Destroy  ***************************/
 564 /* Type of Queue to be destroyed */
 565 enum {
 566         QTYPE_EQ = 1,
 567         QTYPE_CQ,
 568         QTYPE_MCCQ,
 569         QTYPE_WRBQ,
 570         QTYPE_DPDUQ,
 571         QTYPE_SGL
 572 };
 573
 574 struct be_cmd_req_q_destroy {
 575         struct be_cmd_req_hdr hdr;
 576         u16 id;
 577         u16 bypass_flush;       /* valid only for rx q destroy */
 578 } __packed;
 579
 580 struct macaddr {
 581         u8 byte[ETH_ALEN];
 582 };
 583
 584 struct be_cmd_req_mcast_mac_config {
 585         struct be_cmd_req_hdr hdr;
 586         u16 num_mac;
 587         u8 promiscuous;
 588         u8 interface_id;
 589         struct macaddr mac[32];
 590 } __packed;
 591
 592 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 593 {
 594         return wrb->payload.embedded_payload;
 595 }
 596
 597 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 598 {
 599         return &wrb->payload.sgl[0];
 600 }
 601
 602 /******************** Modify EQ Delay *******************/
 603 struct be_cmd_req_modify_eq_delay {
 604         struct be_cmd_req_hdr hdr;
 605         u32 num_eq;
 606         struct {
 607                 u32 eq_id;
 608                 u32 phase;
 609                 u32 delay_multiplier;
 610         } delay[8];
 611 } __packed;
 612
 613 /******************** Get MAC ADDR *******************/
 614
 615 #define ETH_ALEN        6
 616
 617 struct be_cmd_get_nic_conf_req {
 618         struct be_cmd_req_hdr hdr;
 619         u32 nic_port_count;
 620         u32 speed;
 621         u32 max_speed;
 622         u32 link_state;
 623         u32 max_frame_size;
 624         u16 size_of_structure;
 625         u8 mac_address[ETH_ALEN];
 626         u32 rsvd[23];
 627 };
 628
 629 struct be_cmd_get_nic_conf_resp {
 630         struct be_cmd_resp_hdr hdr;
 631         u32 nic_port_count;
 632         u32 speed;
 633         u32 max_speed;
 634         u32 link_state;
 635         u32 max_frame_size;
 636         u16 size_of_structure;
 637         u8 mac_address[6];
 638         u32 rsvd[23];
 639 };
 640
 641 #define BEISCSI_ALIAS_LEN 32
 642
 643 struct be_cmd_hba_name {
 644         struct be_cmd_req_hdr hdr;
 645         u16 flags;
 646         u16 rsvd0;
 647         u8 initiator_name[ISCSI_NAME_LEN];
 648         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 649 } __packed;
 650
 651 struct be_cmd_ntwk_link_status_req {
 652         struct be_cmd_req_hdr hdr;
 653         u32 rsvd0;
 654 } __packed;
 655
 656 /*** Port Speed Values ***/
 657 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
 658 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 659 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 660 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 661 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 662 struct be_cmd_ntwk_link_status_resp {
 663         struct be_cmd_resp_hdr hdr;
 664         u8 phys_port;
 665         u8 mac_duplex;
 666         u8 mac_speed;
 667         u8 mac_fault;
 668         u8 mgmt_mac_duplex;
 669         u8 mgmt_mac_speed;
 670         u16 qos_link_speed;
 671         u32 logical_link_speed;
 672 } __packed;
 673
 674 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 675                           struct be_queue_info *eq, int eq_delay);
 676
 677 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 678                           struct be_queue_info *cq, struct be_queue_info *eq,
 679                           bool sol_evts, bool no_delay,
 680                           int num_cqe_dma_coalesce);
 681
 682 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 683                           int type);
 684 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 685                         struct be_queue_info *mccq,
 686                         struct be_queue_info *cq);
 687
 688 int be_poll_mcc(struct be_ctrl_info *ctrl);
 689 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 690                                       struct beiscsi_hba *phba);
 691 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 692 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
 693
 694 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 695
 696 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
 697                         uint32_t tag, struct be_mcc_wrb **wrb, void *cmd_va);
 698 /*ISCSI Functuions */
 699 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 700
 701 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 702 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 703 int be_mcc_notify_wait(struct beiscsi_hba *phba);
 704 void be_mcc_notify(struct beiscsi_hba *phba);
 705 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 706 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 707                 struct be_async_event_link_state *evt);
 708 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 709                                     struct be_mcc_compl *compl);
 710
 711 int be_mbox_notify(struct be_ctrl_info *ctrl);
 712
 713 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 714                                     struct be_queue_info *cq,
 715                                     struct be_queue_info *dq, int length,
 716                                     int entry_size);
 717
 718 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 719                                 struct be_dma_mem *q_mem, u32 page_offset,
 720                                 u32 num_pages);
 721
 722 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 723
 724 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 725                        struct be_queue_info *wrbq);
 726
 727 bool is_link_state_evt(u32 trailer);
 728
 729 /* Configuration Functions */
 730 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 731
 732 struct be_default_pdu_context {
 733         u32 dw[4];
 734 } __packed;
 735
 736 struct amap_be_default_pdu_context {
 737         u8 dbuf_cindex[13];     /* dword 0 */
 738         u8 rsvd0[3];            /* dword 0 */
 739         u8 ring_size[4];        /* dword 0 */
 740         u8 ring_state[4];       /* dword 0 */
 741         u8 rsvd1[8];            /* dword 0 */
 742         u8 dbuf_pindex[13];     /* dword 1 */
 743         u8 rsvd2;               /* dword 1 */
 744         u8 pci_func_id[8];      /* dword 1 */
 745         u8 rx_pdid[9];          /* dword 1 */
 746         u8 rx_pdid_valid;       /* dword 1 */
 747         u8 default_buffer_size[16];     /* dword 2 */
 748         u8 cq_id_recv[10];      /* dword 2 */
 749         u8 rx_pdid_not_valid;   /* dword 2 */
 750         u8 rsvd3[5];            /* dword 2 */
 751         u8 rsvd4[32];           /* dword 3 */
 752 } __packed;
 753
 754 struct be_defq_create_req {
 755         struct be_cmd_req_hdr hdr;
 756         u16 num_pages;
 757         u8 ulp_num;
 758         u8 rsvd0;
 759         struct be_default_pdu_context context;
 760         struct phys_addr pages[8];
 761 } __packed;
 762
 763 struct be_defq_create_resp {
 764         struct be_cmd_req_hdr hdr;
 765         u16 id;
 766         u16 rsvd0;
 767 } __packed;
 768
 769 struct be_post_sgl_pages_req {
 770         struct be_cmd_req_hdr hdr;
 771         u16 num_pages;
 772         u16 page_offset;
 773         u32 rsvd0;
 774         struct phys_addr pages[26];
 775         u32 rsvd1;
 776 } __packed;
 777
 778 struct be_wrbq_create_req {
 779         struct be_cmd_req_hdr hdr;
 780         u16 num_pages;
 781         u8 ulp_num;
 782         u8 rsvd0;
 783         struct phys_addr pages[8];
 784 } __packed;
 785
 786 struct be_wrbq_create_resp {
 787         struct be_cmd_resp_hdr resp_hdr;
 788         u16 cid;
 789         u16 rsvd0;
 790 } __packed;
 791
 792 #define SOL_CID_MASK            0x0000FFC0
 793 #define SOL_CODE_MASK           0x0000003F
 794 #define SOL_WRB_INDEX_MASK      0x00FF0000
 795 #define SOL_CMD_WND_MASK        0xFF000000
 796 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 797 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 798 #define SOL_HW_STS_MASK         0x000000FF
 799 #define SOL_STS_MASK            0x0000FF00
 800 #define SOL_RESP_MASK           0x00FF0000
 801 #define SOL_FLAGS_MASK          0x7F000000
 802 #define SOL_S_MASK              0x80000000
 803
 804 struct sol_cqe {
 805         u32 dw[4];
 806 };
 807
 808 struct amap_sol_cqe {
 809         u8 hw_sts[8];           /* dword 0 */
 810         u8 i_sts[8];            /* dword 0 */
 811         u8 i_resp[8];           /* dword 0 */
 812         u8 i_flags[7];          /* dword 0 */
 813         u8 s;                   /* dword 0 */
 814         u8 i_exp_cmd_sn[32];    /* dword 1 */
 815         u8 code[6];             /* dword 2 */
 816         u8 cid[10];             /* dword 2 */
 817         u8 wrb_index[8];        /* dword 2 */
 818         u8 i_cmd_wnd[8];        /* dword 2 */
 819         u8 i_res_cnt[31];       /* dword 3 */
 820         u8 valid;               /* dword 3 */
 821 } __packed;
 822
 823 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 824 struct amap_sol_cqe_ring {
 825         u8 hw_sts[8];           /* dword 0 */
 826         u8 i_sts[8];            /* dword 0 */
 827         u8 i_resp[8];           /* dword 0 */
 828         u8 i_flags[7];          /* dword 0 */
 829         u8 s;                   /* dword 0 */
 830         u8 i_exp_cmd_sn[32];    /* dword 1 */
 831         u8 code[6];             /* dword 2 */
 832         u8 icd_index[12];       /* dword 2 */
 833         u8 rsvd[6];             /* dword 2 */
 834         u8 i_cmd_wnd[8];        /* dword 2 */
 835         u8 i_res_cnt[31];       /* dword 3 */
 836         u8 valid;               /* dword 3 */
 837 } __packed;
 838
 839 struct amap_sol_cqe_v2 {
 840         u8 hw_sts[8];   /* dword 0 */
 841         u8 i_sts[8];    /* dword 0 */
 842         u8 wrb_index[16];   /* dword 0 */
 843         u8 i_exp_cmd_sn[32];    /* dword 1 */
 844         u8 code[6]; /* dword 2 */
 845         u8 cmd_cmpl;    /* dword 2 */
 846         u8 rsvd0;   /* dword 2 */
 847         u8 i_cmd_wnd[8];    /* dword 2 */
 848         u8 cid[13]; /* dword 2 */
 849         u8 u;   /* dword 2 */
 850         u8 o;   /* dword 2 */
 851         u8 s;   /* dword 2 */
 852         u8 i_res_cnt[31];   /* dword 3 */
 853         u8 valid;   /* dword 3 */
 854 } __packed;
 855
 856 struct common_sol_cqe {
 857         u32 exp_cmdsn;
 858         u32 res_cnt;
 859         u16 wrb_index;
 860         u16 cid;
 861         u8 hw_sts;
 862         u8 cmd_wnd;
 863         u8 res_flag; /* the s feild of structure */
 864         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 865         u8 i_flags; /* for skh or the u and o feilds */
 866         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 867 };
 868
 869 /*** iSCSI ack/driver message completions ***/
 870 struct amap_it_dmsg_cqe {
 871         u8 ack_num[32]; /* DWORD 0 */
 872         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 873         u8 code[6]; /* DWORD 2 */
 874         u8 cid[10]; /* DWORD 2 */
 875         u8 wrb_idx[8];  /* DWORD 2 */
 876         u8 rsvd0[8];    /* DWORD 2*/
 877         u8 rsvd1[31];   /* DWORD 3*/
 878         u8 valid;   /* DWORD 3 */
 879 } __packed;
 880
 881 struct amap_it_dmsg_cqe_v2 {
 882         u8 ack_num[32]; /* DWORD 0 */
 883         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 884         u8 code[6]; /* DWORD 2 */
 885         u8 rsvd0[10];   /* DWORD 2 */
 886         u8 wrb_idx[16]; /* DWORD 2 */
 887         u8 rsvd1[16];   /* DWORD 3 */
 888         u8 cid[13]; /* DWORD 3 */
 889         u8 rsvd2[2];    /* DWORD 3 */
 890         u8 valid;   /* DWORD 3 */
 891 } __packed;
 892
 893
 894 /**
 895  * Post WRB Queue Doorbell Register used by the host Storage
 896  * stack to notify the
 897  * controller of a posted Work Request Block
 898  */
 899 #define DB_WRB_POST_CID_MASK            0x3FF   /* bits 0 - 9 */
 900 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 901
 902 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 903 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 904
 905 struct fragnum_bits_for_sgl_cra_in {
 906         struct be_cmd_req_hdr hdr;
 907         u32 num_bits;
 908 } __packed;
 909
 910 struct iscsi_cleanup_req {
 911         struct be_cmd_req_hdr hdr;
 912         u16 chute;
 913         u8 hdr_ring_id;
 914         u8 data_ring_id;
 915
 916 } __packed;
 917
 918 struct eq_delay {
 919         u32 eq_id;
 920         u32 phase;
 921         u32 delay_multiplier;
 922 } __packed;
 923
 924 struct be_eq_delay_params_in {
 925         struct be_cmd_req_hdr hdr;
 926         u32 num_eq;
 927         struct eq_delay delay[8];
 928 } __packed;
 929
 930 struct tcp_connect_and_offload_in {
 931         struct be_cmd_req_hdr hdr;
 932         struct ip_addr_format ip_address;
 933         u16 tcp_port;
 934         u16 cid;
 935         u16 cq_id;
 936         u16 defq_id;
 937         struct phys_addr dataout_template_pa;
 938         u16 hdr_ring_id;
 939         u16 data_ring_id;
 940         u8 do_offload;
 941         u8 rsvd0[3];
 942 } __packed;
 943
 944 struct tcp_connect_and_offload_out {
 945         struct be_cmd_resp_hdr hdr;
 946         u32 connection_handle;
 947         u16 cid;
 948         u16 rsvd0;
 949
 950 } __packed;
 951
 952 struct be_mcc_wrb_context {
 953         struct MCC_WRB *wrb;
 954         int *users_final_status;
 955 } __packed;
 956
 957 #define DB_DEF_PDU_RING_ID_MASK         0x3FF   /* bits 0 - 9 */
 958 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 0 - 9 */
 959 #define DB_DEF_PDU_REARM_SHIFT          14
 960 #define DB_DEF_PDU_EVENT_SHIFT          15
 961 #define DB_DEF_PDU_CQPROC_SHIFT         16
 962
 963 struct dmsg_cqe {
 964         u32 dw[4];
 965 } __packed;
 966
 967 struct tcp_upload_params_in {
 968         struct be_cmd_req_hdr hdr;
 969         u16 id;
 970         u16 upload_type;
 971         u32 reset_seq;
 972 } __packed;
 973
 974 struct tcp_upload_params_out {
 975         u32 dw[32];
 976 } __packed;
 977
 978 union tcp_upload_params {
 979         struct tcp_upload_params_in request;
 980         struct tcp_upload_params_out response;
 981 } __packed;
 982
 983 struct be_ulp_fw_cfg {
 984         u32 ulp_mode;
 985         u32 etx_base;
 986         u32 etx_count;
 987         u32 sq_base;
 988         u32 sq_count;
 989         u32 rq_base;
 990         u32 rq_count;
 991         u32 dq_base;
 992         u32 dq_count;
 993         u32 lro_base;
 994         u32 lro_count;
 995         u32 icd_base;
 996         u32 icd_count;
 997 };
 998
 999 struct be_fw_cfg {
1000         struct be_cmd_req_hdr hdr;
1001         u32 be_config_number;
1002         u32 asic_revision;
1003         u32 phys_port;
1004         u32 function_mode;
1005         struct be_ulp_fw_cfg ulp[2];
1006         u32 function_caps;
1007 } __packed;
1008
1009 struct be_cmd_get_all_if_id_req {
1010         struct be_cmd_req_hdr hdr;
1011         u32 if_count;
1012         u32 if_hndl_list[1];
1013 } __packed;
1014
1015 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1016 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1017 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1018 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1019 #define OPCODE_COMMON_TCP_UPLOAD                56
1020 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1021 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1022 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1023 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1024 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1025 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1026 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1027 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1028 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1029 #define OPCODE_COMMON_WRITE_FLASH               96
1030 #define OPCODE_COMMON_READ_FLASH                97
1031
1032 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1033 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1034 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1035 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1036
1037 #define INI_WR_CMD                      1       /* Initiator write command */
1038 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1039 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1040 #define INI_RD_CMD                      5       /* Initiator requesting to send
1041                                                  * a read command
1042                                                  */
1043 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1044 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1045                                                  * where only the status number
1046                                                  * need to be updated
1047                                                  */
1048 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1049                                                  * to read command
1050                                                  */
1051 #define TGT_SOS_PDU                     10      /* Target:standalone status
1052                                                  * response
1053                                                  */
1054 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1055                                                  *  preparedby
1056                                                  * driver should not be touched
1057                                                  */
1058 /* --- CMD_CHUTE_TYPE --- */
1059 #define CMD_CONNECTION_CHUTE_0          1
1060 #define CMD_CONNECTION_CHUTE_1          2
1061 #define CMD_CONNECTION_CHUTE_2          3
1062
1063 #define EQ_MAJOR_CODE_COMPLETION        0
1064
1065 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1066 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1067
1068 /* --- CONNECTION_UPLOAD_PARAMS --- */
1069 /* These parameters are used to define the type of upload desired.  */
1070 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1071 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1072                                                  * reset
1073                                                  */
1074 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1075                                                  * reset
1076                                                  */
1077 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1078                                                  * sequence number by driver  */
1079
1080 /* Returns the number of items in the field array. */
1081 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1082         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1083
1084 /**
1085  * Different types of iSCSI completions to host driver for both initiator
1086  * and taget mode
1087  * of operation.
1088  */
1089 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1090                                                  * normally
1091                                                  */
1092 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1093                                                  * invalidated internally due
1094                                                  * to Data Digest error
1095                                                  */
1096 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1097                                                  * internally
1098                                                  * due to a received PDU
1099                                                  * size > DSL
1100                                                  */
1101 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1102                                                  * internally due ti received
1103                                                  * PDU sequence size >
1104                                                  * FBL/MBL.
1105                                                  */
1106 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1107                                                  * internally due to a received
1108                                                  * PDU Hdr that has
1109                                                  * AHS */
1110 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1111                                                  * internally due to Hdr Digest
1112                                                  * error
1113                                                  */
1114 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1115                                                  *  internally
1116                                                  * due to a bad opcode in the
1117                                                  * pdu hdr
1118                                                  */
1119 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1120                                                  * internally due to a received
1121                                                  * ITT/TTT that does not belong
1122                                                  * to this Connection
1123                                                  */
1124 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1125                                                  * internally due to received
1126                                                  * ITT/TTT value > Max
1127                                                  * Supported ITTs/TTTs
1128                                                  */
1129 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1130                                                  * internally due to an
1131                                                  * incoming TCP RST
1132                                                  */
1133 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1134                                                  * internally due to timeout on
1135                                                  * tcp segment 12 retransmit
1136                                                  * attempts failed
1137                                                  */
1138 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1139                                                  * internally due to TCP RST
1140                                                  * sent by the Tx side
1141                                                  */
1142 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1143                                                  * internally due to an
1144                                                  * incoming TCP FIN.
1145                                                  */
1146 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1147                                                  * internally due to bad
1148                                                  * unsolicited PDU Unsolicited
1149                                                  * PDUs are PDUs with
1150                                                  * ITT=0xffffffff
1151                                                  */
1152 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1153                                                  * internally due to bad WRB
1154                                                  * index.
1155                                                  */
1156 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1157                                                  * internally due to received
1158                                                  * command has residual
1159                                                  * over run bytes.
1160                                                  */
1161 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1162                                                  * internally due to received
1163                                                  * command has residual under
1164                                                  * run bytes.
1165                                                  */
1166 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1167                                                  * internally due to a received
1168                                                  * PDU has an invalid StatusSN
1169                                                  */
1170 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1171                                                  * internally due to a received
1172                                                  * an R2T with some invalid
1173                                                  * fields in it
1174                                                  */
1175 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1176                                                  * internally due to received
1177                                                  * PDU has an invalid LUN.
1178                                                  */
1179 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1180                                                  * internally due to the
1181                                                  * corresponding ICD not in a
1182                                                  * valid state
1183                                                  */
1184 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1185                                                  *  to received PDU has an
1186                                                  *  invalid ITT.
1187                                                  */
1188 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1189                                                  * to received sequence buffer
1190                                                  * offset is out of order.
1191                                                  */
1192 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1193                                                  * internally due to a
1194                                                  * received PDU has an invalid
1195                                                  * DataSN
1196                                                  */
1197 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1198                                                  * completion notify.
1199                                                  */
1200 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1201                                                  * completion
1202                                                  * with data PDU index.
1203                                                  */
1204 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1205                                                  * completionnotifify.
1206                                                  */
1207 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1208 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1209 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1210                                                  * error notify.
1211                                                  */
1212 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1213                                                  * notification.
1214                                                  */
1215 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1216                                                   * internally due to command
1217                                                   * and data are not on same
1218                                                   * connection.
1219                                                   */
1220 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1221                                                  *  invalidated internally due
1222                                                  *  to DIF error
1223                                                  */
1224 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1225                                                  * internally due to incoming
1226                                                  * TCP SYN
1227                                                  */
1228 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1229                                                  * internally due to an
1230                                                  * incoming Unsolicited PDU
1231                                                  * that has immediate data on
1232                                                  * the cxn
1233                                                  */
1234
1235 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1236 int be_chk_reset_complete(struct beiscsi_hba *phba);
1237
1238 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1239                         bool embedded, u8 sge_cnt);
1240
1241 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1242                         u8 subsystem, u8 opcode, int cmd_len);
1243
1244 #endif /* !BEISCSI_CMDS_H */