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