drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2013 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 #define MCC_STATUS_FAILED 0x1
  56 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
  57 #define MCC_STATUS_ILLEGAL_FIELD 0x3
  58 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
  59
  60 #define CQE_STATUS_COMPL_MASK 0xFFFF
  61 #define CQE_STATUS_COMPL_SHIFT 0        /* bits 0 - 15 */
  62 #define CQE_STATUS_EXTD_MASK 0xFFFF
  63 #define CQE_STATUS_EXTD_SHIFT 16                /* bits 0 - 15 */
  64 #define CQE_STATUS_ADDL_MASK    0xFF00
  65 #define CQE_STATUS_MASK 0xFF
  66 #define CQE_STATUS_ADDL_SHIFT   0x08
  67 #define CQE_STATUS_WRB_MASK     0xFF0000
  68 #define CQE_STATUS_WRB_SHIFT    16
  69 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  70 #define BEISCSI_FW_MBX_TIMEOUT  100
  71
  72 /* MBOX Command VER */
  73 #define MBX_CMD_VER2    0x02
  74
  75 struct be_mcc_compl {
  76         u32 status;             /* dword 0 */
  77         u32 tag0;               /* dword 1 */
  78         u32 tag1;               /* dword 2 */
  79         u32 flags;              /* dword 3 */
  80 };
  81
  82 /********* Mailbox door bell *************/
  83 /**
  84  * Used for driver communication with the FW.
  85  * The software must write this register twice to post any command. First,
  86  * it writes the register with hi=1 and the upper bits of the physical address
  87  * for the MAILBOX structure. Software must poll the ready bit until this
  88  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  89  * bits in the address. It must poll the ready bit until the command is
  90  * complete. Upon completion, the MAILBOX will contain a valid completion
  91  * queue entry.
  92  */
  93 #define MPU_MAILBOX_DB_OFFSET   0x160
  94 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  95 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  96
  97 /********** MPU semphore ******************/
  98 #define MPU_EP_SEMAPHORE_OFFSET 0xac
  99 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
 100 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
 101 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
 102
 103 /********** MCC door bell ************/
 104 #define DB_MCCQ_OFFSET 0x140
 105 #define DB_MCCQ_RING_ID_MASK 0x7FF              /* bits 0 - 10 */
 106 /* Number of entries posted */
 107 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 108
 109 /* MPU semphore POST stage values */
 110 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
 111
 112 /**
 113  * When the async bit of mcc_compl is set, the last 4 bytes of
 114  * mcc_compl is interpreted as follows:
 115  */
 116 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 117 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 118 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 119 struct be_async_event_trailer {
 120         u32 code;
 121 };
 122
 123 enum {
 124         ASYNC_EVENT_LINK_DOWN = 0x0,
 125         ASYNC_EVENT_LINK_UP = 0x1,
 126         ASYNC_EVENT_LOGICAL = 0x2
 127 };
 128
 129 /**
 130  * When the event code of an async trailer is link-state, the mcc_compl
 131  * must be interpreted as follows
 132  */
 133 struct be_async_event_link_state {
 134         u8 physical_port;
 135         u8 port_link_status;
 136         u8 port_duplex;
 137         u8 port_speed;
 138 #define BEISCSI_PHY_LINK_FAULT_NONE     0x00
 139 #define BEISCSI_PHY_LINK_FAULT_LOCAL    0x01
 140 #define BEISCSI_PHY_LINK_FAULT_REMOTE   0x02
 141         u8 port_fault;
 142         u8 rsvd0[7];
 143         struct be_async_event_trailer trailer;
 144 } __packed;
 145
 146 struct be_mcc_mailbox {
 147         struct be_mcc_wrb wrb;
 148         struct be_mcc_compl compl;
 149 };
 150
 151 /* Type of subsystems supported by FW */
 152 #define CMD_SUBSYSTEM_COMMON    0x1
 153 #define CMD_SUBSYSTEM_ISCSI     0x2
 154 #define CMD_SUBSYSTEM_ETH       0x3
 155 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 156 #define CMD_COMMON_TCP_UPLOAD   0x1
 157
 158 /**
 159  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 160  * These opcodes are unique for each subsystem defined above
 161  */
 162 #define OPCODE_COMMON_CQ_CREATE                         12
 163 #define OPCODE_COMMON_EQ_CREATE                         13
 164 #define OPCODE_COMMON_MCC_CREATE                        21
 165 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 166 #define OPCODE_COMMON_GET_FW_VERSION                    35
 167 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 168 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 169 #define OPCODE_COMMON_MCC_DESTROY                       53
 170 #define OPCODE_COMMON_CQ_DESTROY                        54
 171 #define OPCODE_COMMON_EQ_DESTROY                        55
 172 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 173 #define OPCODE_COMMON_FUNCTION_RESET                    61
 174
 175 /**
 176  * LIST of opcodes that are common between Initiator and Target
 177  * used by CMD_SUBSYSTEM_ISCSI
 178  * These opcodes are unique for each subsystem defined above
 179  */
 180 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 181 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 182 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 183 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 184 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 185 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 186 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 187 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 188 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 189 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 190 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 191 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 192 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 193 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 194 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 195 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 196
 197 struct be_cmd_req_hdr {
 198         u8 opcode;              /* dword 0 */
 199         u8 subsystem;           /* dword 0 */
 200         u8 port_number;         /* dword 0 */
 201         u8 domain;              /* dword 0 */
 202         u32 timeout;            /* dword 1 */
 203         u32 request_length;     /* dword 2 */
 204         u8 version;             /* dword 3 */
 205         u8 rsvd0[3];            /* dword 3 */
 206 };
 207
 208 struct be_cmd_resp_hdr {
 209         u32 info;               /* dword 0 */
 210         u32 status;             /* dword 1 */
 211         u32 response_length;    /* dword 2 */
 212         u32 actual_resp_len;    /* dword 3 */
 213 };
 214
 215 struct phys_addr {
 216         u32 lo;
 217         u32 hi;
 218 };
 219
 220 /**************************
 221  * BE Command definitions *
 222  **************************/
 223
 224 /**
 225  * Pseudo amap definition in which each bit of the actual structure is defined
 226  * as a byte - used to calculate offset/shift/mask of each field
 227  */
 228 struct amap_eq_context {
 229         u8 cidx[13];            /* dword 0 */
 230         u8 rsvd0[3];            /* dword 0 */
 231         u8 epidx[13];           /* dword 0 */
 232         u8 valid;               /* dword 0 */
 233         u8 rsvd1;               /* dword 0 */
 234         u8 size;                /* dword 0 */
 235         u8 pidx[13];            /* dword 1 */
 236         u8 rsvd2[3];            /* dword 1 */
 237         u8 pd[10];              /* dword 1 */
 238         u8 count[3];            /* dword 1 */
 239         u8 solevent;            /* dword 1 */
 240         u8 stalled;             /* dword 1 */
 241         u8 armed;               /* dword 1 */
 242         u8 rsvd3[4];            /* dword 2 */
 243         u8 func[8];             /* dword 2 */
 244         u8 rsvd4;               /* dword 2 */
 245         u8 delaymult[10];       /* dword 2 */
 246         u8 rsvd5[2];            /* dword 2 */
 247         u8 phase[2];            /* dword 2 */
 248         u8 nodelay;             /* dword 2 */
 249         u8 rsvd6[4];            /* dword 2 */
 250         u8 rsvd7[32];           /* dword 3 */
 251 } __packed;
 252
 253 struct be_cmd_req_eq_create {
 254         struct be_cmd_req_hdr hdr;      /* dw[4] */
 255         u16 num_pages;          /* sword */
 256         u16 rsvd0;              /* sword */
 257         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 258         struct phys_addr pages[8];
 259 } __packed;
 260
 261 struct be_cmd_resp_eq_create {
 262         struct be_cmd_resp_hdr resp_hdr;
 263         u16 eq_id;              /* sword */
 264         u16 rsvd0;              /* sword */
 265 } __packed;
 266
 267 struct mgmt_chap_format {
 268         u32 flags;
 269         u8  intr_chap_name[256];
 270         u8  intr_secret[16];
 271         u8  target_chap_name[256];
 272         u8  target_secret[16];
 273         u16 intr_chap_name_length;
 274         u16 intr_secret_length;
 275         u16 target_chap_name_length;
 276         u16 target_secret_length;
 277 } __packed;
 278
 279 struct mgmt_auth_method_format {
 280         u8      auth_method_type;
 281         u8      padding[3];
 282         struct  mgmt_chap_format chap;
 283 } __packed;
 284
 285 struct mgmt_conn_login_options {
 286         u8 flags;
 287         u8 header_digest;
 288         u8 data_digest;
 289         u8 rsvd0;
 290         u32 max_recv_datasegment_len_ini;
 291         u32 max_recv_datasegment_len_tgt;
 292         u32 tcp_mss;
 293         u32 tcp_window_size;
 294         struct  mgmt_auth_method_format auth_data;
 295 } __packed;
 296
 297 struct ip_addr_format {
 298         u16 size_of_structure;
 299         u8 reserved;
 300         u8 ip_type;
 301         u8 addr[16];
 302         u32 rsvd0;
 303 } __packed;
 304
 305 struct mgmt_conn_info {
 306         u32     connection_handle;
 307         u32     connection_status;
 308         u16     src_port;
 309         u16     dest_port;
 310         u16     dest_port_redirected;
 311         u16     cid;
 312         u32     estimated_throughput;
 313         struct  ip_addr_format  src_ipaddr;
 314         struct  ip_addr_format  dest_ipaddr;
 315         struct  ip_addr_format  dest_ipaddr_redirected;
 316         struct  mgmt_conn_login_options negotiated_login_options;
 317 } __packed;
 318
 319 struct mgmt_session_login_options {
 320         u8      flags;
 321         u8      error_recovery_level;
 322         u16     rsvd0;
 323         u32     first_burst_length;
 324         u32     max_burst_length;
 325         u16     max_connections;
 326         u16     max_outstanding_r2t;
 327         u16     default_time2wait;
 328         u16     default_time2retain;
 329 } __packed;
 330
 331 struct mgmt_session_info {
 332         u32     session_handle;
 333         u32     status;
 334         u8      isid[6];
 335         u16     tsih;
 336         u32     session_flags;
 337         u16     conn_count;
 338         u16     pad;
 339         u8      target_name[224];
 340         u8      initiator_iscsiname[224];
 341         struct  mgmt_session_login_options negotiated_login_options;
 342         struct  mgmt_conn_info  conn_list[1];
 343 } __packed;
 344
 345 struct be_cmd_get_session_req {
 346         struct be_cmd_req_hdr hdr;
 347         u32 session_handle;
 348 } __packed;
 349
 350 struct be_cmd_get_session_resp {
 351         struct be_cmd_resp_hdr hdr;
 352         struct mgmt_session_info session_info;
 353 } __packed;
 354
 355 struct mac_addr {
 356         u16 size_of_structure;
 357         u8 addr[ETH_ALEN];
 358 } __packed;
 359
 360 struct be_cmd_get_boot_target_req {
 361         struct be_cmd_req_hdr hdr;
 362 } __packed;
 363
 364 struct be_cmd_get_boot_target_resp {
 365         struct be_cmd_resp_hdr hdr;
 366         u32  boot_session_count;
 367         int  boot_session_handle;
 368 };
 369
 370 struct be_cmd_reopen_session_req {
 371         struct be_cmd_req_hdr hdr;
 372 #define BE_REOPEN_ALL_SESSIONS  0x00
 373 #define BE_REOPEN_BOOT_SESSIONS 0x01
 374 #define BE_REOPEN_A_SESSION     0x02
 375         u16 reopen_type;
 376         u16 rsvd;
 377         u32 session_handle;
 378 } __packed;
 379
 380 struct be_cmd_reopen_session_resp {
 381         struct be_cmd_resp_hdr hdr;
 382         u32 rsvd;
 383         u32 session_handle;
 384 } __packed;
 385
 386
 387 struct be_cmd_mac_query_req {
 388         struct be_cmd_req_hdr hdr;
 389         u8 type;
 390         u8 permanent;
 391         u16 if_id;
 392 } __packed;
 393
 394 struct be_cmd_get_mac_resp {
 395         struct be_cmd_resp_hdr hdr;
 396         struct mac_addr mac;
 397 };
 398
 399 struct be_ip_addr_subnet_format {
 400         u16 size_of_structure;
 401         u8 ip_type;
 402         u8 ipv6_prefix_length;
 403         u8 addr[16];
 404         u8 subnet_mask[16];
 405         u32 rsvd0;
 406 } __packed;
 407
 408 struct be_cmd_get_if_info_req {
 409         struct be_cmd_req_hdr hdr;
 410         u32 interface_hndl;
 411         u32 ip_type;
 412 } __packed;
 413
 414 struct be_cmd_get_if_info_resp {
 415         struct be_cmd_req_hdr hdr;
 416         u32 interface_hndl;
 417         u32 vlan_priority;
 418         u32 ip_addr_count;
 419         u32 dhcp_state;
 420         struct be_ip_addr_subnet_format ip_addr;
 421 } __packed;
 422
 423 struct be_ip_addr_record {
 424         u32 action;
 425         u32 interface_hndl;
 426         struct be_ip_addr_subnet_format ip_addr;
 427         u32 status;
 428 } __packed;
 429
 430 struct be_ip_addr_record_params {
 431         u32 record_entry_count;
 432         struct be_ip_addr_record ip_record;
 433 } __packed;
 434
 435 struct be_cmd_set_ip_addr_req {
 436         struct be_cmd_req_hdr hdr;
 437         struct be_ip_addr_record_params ip_params;
 438 } __packed;
 439
 440
 441 struct be_cmd_set_dhcp_req {
 442         struct be_cmd_req_hdr hdr;
 443         u32 interface_hndl;
 444         u32 ip_type;
 445         u32 flags;
 446         u32 retry_count;
 447 } __packed;
 448
 449 struct be_cmd_rel_dhcp_req {
 450         struct be_cmd_req_hdr hdr;
 451         u32 interface_hndl;
 452         u32 ip_type;
 453 } __packed;
 454
 455 struct be_cmd_set_def_gateway_req {
 456         struct be_cmd_req_hdr hdr;
 457         u32 action;
 458         struct ip_addr_format ip_addr;
 459 } __packed;
 460
 461 struct be_cmd_get_def_gateway_req {
 462         struct be_cmd_req_hdr hdr;
 463         u32 ip_type;
 464 } __packed;
 465
 466 struct be_cmd_get_def_gateway_resp {
 467         struct be_cmd_req_hdr hdr;
 468         struct ip_addr_format ip_addr;
 469 } __packed;
 470
 471 #define BEISCSI_VLAN_DISABLE    0xFFFF
 472 struct be_cmd_set_vlan_req {
 473         struct be_cmd_req_hdr hdr;
 474         u32 interface_hndl;
 475         u32 vlan_priority;
 476 } __packed;
 477 /******************** Create CQ ***************************/
 478 /**
 479  * Pseudo amap definition in which each bit of the actual structure is defined
 480  * as a byte - used to calculate offset/shift/mask of each field
 481  */
 482 struct amap_cq_context {
 483         u8 cidx[11];            /* dword 0 */
 484         u8 rsvd0;               /* dword 0 */
 485         u8 coalescwm[2];        /* dword 0 */
 486         u8 nodelay;             /* dword 0 */
 487         u8 epidx[11];           /* dword 0 */
 488         u8 rsvd1;               /* dword 0 */
 489         u8 count[2];            /* dword 0 */
 490         u8 valid;               /* dword 0 */
 491         u8 solevent;            /* dword 0 */
 492         u8 eventable;           /* dword 0 */
 493         u8 pidx[11];            /* dword 1 */
 494         u8 rsvd2;               /* dword 1 */
 495         u8 pd[10];              /* dword 1 */
 496         u8 eqid[8];             /* dword 1 */
 497         u8 stalled;             /* dword 1 */
 498         u8 armed;               /* dword 1 */
 499         u8 rsvd3[4];            /* dword 2 */
 500         u8 func[8];             /* dword 2 */
 501         u8 rsvd4[20];           /* dword 2 */
 502         u8 rsvd5[32];           /* dword 3 */
 503 } __packed;
 504
 505 struct amap_cq_context_v2 {
 506         u8 rsvd0[12];   /* dword 0 */
 507         u8 coalescwm[2];    /* dword 0 */
 508         u8 nodelay;     /* dword 0 */
 509         u8 rsvd1[12];   /* dword 0 */
 510         u8 count[2];    /* dword 0 */
 511         u8 valid;       /* dword 0 */
 512         u8 rsvd2;       /* dword 0 */
 513         u8 eventable;   /* dword 0 */
 514         u8 eqid[16];    /* dword 1 */
 515         u8 rsvd3[15];   /* dword 1 */
 516         u8 armed;       /* dword 1 */
 517         u8 cqecount[16];/* dword 2 */
 518         u8 rsvd4[16];   /* dword 2 */
 519         u8 rsvd5[32];   /* dword 3 */
 520 };
 521
 522 struct be_cmd_req_cq_create {
 523         struct be_cmd_req_hdr hdr;
 524         u16 num_pages;
 525         u8 page_size;
 526         u8 rsvd0;
 527         u8 context[sizeof(struct amap_cq_context) / 8];
 528         struct phys_addr pages[4];
 529 } __packed;
 530
 531 struct be_cmd_resp_cq_create {
 532         struct be_cmd_resp_hdr hdr;
 533         u16 cq_id;
 534         u16 rsvd0;
 535 } __packed;
 536
 537 /******************** Create MCCQ ***************************/
 538 /**
 539  * Pseudo amap definition in which each bit of the actual structure is defined
 540  * as a byte - used to calculate offset/shift/mask of each field
 541  */
 542 struct amap_mcc_context {
 543         u8 con_index[14];
 544         u8 rsvd0[2];
 545         u8 ring_size[4];
 546         u8 fetch_wrb;
 547         u8 fetch_r2t;
 548         u8 cq_id[10];
 549         u8 prod_index[14];
 550         u8 fid[8];
 551         u8 pdid[9];
 552         u8 valid;
 553         u8 rsvd1[32];
 554         u8 rsvd2[32];
 555 } __packed;
 556
 557 struct be_cmd_req_mcc_create {
 558         struct be_cmd_req_hdr hdr;
 559         u16 num_pages;
 560         u16 rsvd0;
 561         u8 context[sizeof(struct amap_mcc_context) / 8];
 562         struct phys_addr pages[8];
 563 } __packed;
 564
 565 struct be_cmd_resp_mcc_create {
 566         struct be_cmd_resp_hdr hdr;
 567         u16 id;
 568         u16 rsvd0;
 569 } __packed;
 570
 571 /******************** Q Destroy  ***************************/
 572 /* Type of Queue to be destroyed */
 573 enum {
 574         QTYPE_EQ = 1,
 575         QTYPE_CQ,
 576         QTYPE_MCCQ,
 577         QTYPE_WRBQ,
 578         QTYPE_DPDUQ,
 579         QTYPE_SGL
 580 };
 581
 582 struct be_cmd_req_q_destroy {
 583         struct be_cmd_req_hdr hdr;
 584         u16 id;
 585         u16 bypass_flush;       /* valid only for rx q destroy */
 586 } __packed;
 587
 588 struct macaddr {
 589         u8 byte[ETH_ALEN];
 590 };
 591
 592 struct be_cmd_req_mcast_mac_config {
 593         struct be_cmd_req_hdr hdr;
 594         u16 num_mac;
 595         u8 promiscuous;
 596         u8 interface_id;
 597         struct macaddr mac[32];
 598 } __packed;
 599
 600 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 601 {
 602         return wrb->payload.embedded_payload;
 603 }
 604
 605 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 606 {
 607         return &wrb->payload.sgl[0];
 608 }
 609
 610 /******************** Modify EQ Delay *******************/
 611 struct be_cmd_req_modify_eq_delay {
 612         struct be_cmd_req_hdr hdr;
 613         u32 num_eq;
 614         struct {
 615                 u32 eq_id;
 616                 u32 phase;
 617                 u32 delay_multiplier;
 618         } delay[8];
 619 } __packed;
 620
 621 /******************** Get MAC ADDR *******************/
 622
 623 #define ETH_ALEN        6
 624
 625 struct be_cmd_get_nic_conf_req {
 626         struct be_cmd_req_hdr hdr;
 627         u32 nic_port_count;
 628         u32 speed;
 629         u32 max_speed;
 630         u32 link_state;
 631         u32 max_frame_size;
 632         u16 size_of_structure;
 633         u8 mac_address[ETH_ALEN];
 634         u32 rsvd[23];
 635 };
 636
 637 struct be_cmd_get_nic_conf_resp {
 638         struct be_cmd_resp_hdr hdr;
 639         u32 nic_port_count;
 640         u32 speed;
 641         u32 max_speed;
 642         u32 link_state;
 643         u32 max_frame_size;
 644         u16 size_of_structure;
 645         u8 mac_address[6];
 646         u32 rsvd[23];
 647 };
 648
 649 #define BEISCSI_ALIAS_LEN 32
 650
 651 struct be_cmd_hba_name {
 652         struct be_cmd_req_hdr hdr;
 653         u16 flags;
 654         u16 rsvd0;
 655         u8 initiator_name[ISCSI_NAME_LEN];
 656         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 657 } __packed;
 658
 659 struct be_cmd_ntwk_link_status_req {
 660         struct be_cmd_req_hdr hdr;
 661         u32 rsvd0;
 662 } __packed;
 663
 664 /*** Port Speed Values ***/
 665 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
 666 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 667 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 668 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 669 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 670 struct be_cmd_ntwk_link_status_resp {
 671         struct be_cmd_resp_hdr hdr;
 672         u8 phys_port;
 673         u8 mac_duplex;
 674         u8 mac_speed;
 675         u8 mac_fault;
 676         u8 mgmt_mac_duplex;
 677         u8 mgmt_mac_speed;
 678         u16 qos_link_speed;
 679         u32 logical_link_speed;
 680 } __packed;
 681
 682 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 683                           struct be_queue_info *eq, int eq_delay);
 684
 685 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 686                           struct be_queue_info *cq, struct be_queue_info *eq,
 687                           bool sol_evts, bool no_delay,
 688                           int num_cqe_dma_coalesce);
 689
 690 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 691                           int type);
 692 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 693                         struct be_queue_info *mccq,
 694                         struct be_queue_info *cq);
 695
 696 int be_poll_mcc(struct be_ctrl_info *ctrl);
 697 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 698                                       struct beiscsi_hba *phba);
 699 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 700 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
 701
 702 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 703
 704 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
 705                         uint32_t tag, struct be_mcc_wrb **wrb, void *cmd_va);
 706 /*ISCSI Functuions */
 707 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 708 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
 709
 710 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 711 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 712 int be_mcc_notify_wait(struct beiscsi_hba *phba);
 713 void be_mcc_notify(struct beiscsi_hba *phba);
 714 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 715 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 716                 struct be_async_event_link_state *evt);
 717 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 718                                     struct be_mcc_compl *compl);
 719
 720 int be_mbox_notify(struct be_ctrl_info *ctrl);
 721
 722 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 723                                     struct be_queue_info *cq,
 724                                     struct be_queue_info *dq, int length,
 725                                     int entry_size);
 726
 727 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 728                                 struct be_dma_mem *q_mem, u32 page_offset,
 729                                 u32 num_pages);
 730
 731 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 732
 733 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 734                        struct be_queue_info *wrbq);
 735
 736 bool is_link_state_evt(u32 trailer);
 737
 738 /* Configuration Functions */
 739 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 740
 741 struct be_default_pdu_context {
 742         u32 dw[4];
 743 } __packed;
 744
 745 struct amap_be_default_pdu_context {
 746         u8 dbuf_cindex[13];     /* dword 0 */
 747         u8 rsvd0[3];            /* dword 0 */
 748         u8 ring_size[4];        /* dword 0 */
 749         u8 ring_state[4];       /* dword 0 */
 750         u8 rsvd1[8];            /* dword 0 */
 751         u8 dbuf_pindex[13];     /* dword 1 */
 752         u8 rsvd2;               /* dword 1 */
 753         u8 pci_func_id[8];      /* dword 1 */
 754         u8 rx_pdid[9];          /* dword 1 */
 755         u8 rx_pdid_valid;       /* dword 1 */
 756         u8 default_buffer_size[16];     /* dword 2 */
 757         u8 cq_id_recv[10];      /* dword 2 */
 758         u8 rx_pdid_not_valid;   /* dword 2 */
 759         u8 rsvd3[5];            /* dword 2 */
 760         u8 rsvd4[32];           /* dword 3 */
 761 } __packed;
 762
 763 struct amap_default_pdu_context_ext {
 764         u8 rsvd0[16];   /* dword 0 */
 765         u8 ring_size[4];    /* dword 0 */
 766         u8 rsvd1[12];   /* dword 0 */
 767         u8 rsvd2[22];   /* dword 1 */
 768         u8 rx_pdid[9];  /* dword 1 */
 769         u8 rx_pdid_valid;   /* dword 1 */
 770         u8 default_buffer_size[16]; /* dword 2 */
 771         u8 cq_id_recv[16];  /* dword 2 */
 772         u8 rsvd3[32];   /* dword 3 */
 773 } __packed;
 774
 775 struct be_defq_create_req {
 776         struct be_cmd_req_hdr hdr;
 777         u16 num_pages;
 778         u8 ulp_num;
 779         u8 rsvd0;
 780         struct be_default_pdu_context context;
 781         struct phys_addr pages[8];
 782 } __packed;
 783
 784 struct be_defq_create_resp {
 785         struct be_cmd_req_hdr hdr;
 786         u16 id;
 787         u16 rsvd0;
 788 } __packed;
 789
 790 struct be_post_sgl_pages_req {
 791         struct be_cmd_req_hdr hdr;
 792         u16 num_pages;
 793         u16 page_offset;
 794         u32 rsvd0;
 795         struct phys_addr pages[26];
 796         u32 rsvd1;
 797 } __packed;
 798
 799 struct be_wrbq_create_req {
 800         struct be_cmd_req_hdr hdr;
 801         u16 num_pages;
 802         u8 ulp_num;
 803         u8 rsvd0;
 804         struct phys_addr pages[8];
 805 } __packed;
 806
 807 struct be_wrbq_create_resp {
 808         struct be_cmd_resp_hdr resp_hdr;
 809         u16 cid;
 810         u16 rsvd0;
 811 } __packed;
 812
 813 #define SOL_CID_MASK            0x0000FFC0
 814 #define SOL_CODE_MASK           0x0000003F
 815 #define SOL_WRB_INDEX_MASK      0x00FF0000
 816 #define SOL_CMD_WND_MASK        0xFF000000
 817 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 818 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 819 #define SOL_HW_STS_MASK         0x000000FF
 820 #define SOL_STS_MASK            0x0000FF00
 821 #define SOL_RESP_MASK           0x00FF0000
 822 #define SOL_FLAGS_MASK          0x7F000000
 823 #define SOL_S_MASK              0x80000000
 824
 825 struct sol_cqe {
 826         u32 dw[4];
 827 };
 828
 829 struct amap_sol_cqe {
 830         u8 hw_sts[8];           /* dword 0 */
 831         u8 i_sts[8];            /* dword 0 */
 832         u8 i_resp[8];           /* dword 0 */
 833         u8 i_flags[7];          /* dword 0 */
 834         u8 s;                   /* dword 0 */
 835         u8 i_exp_cmd_sn[32];    /* dword 1 */
 836         u8 code[6];             /* dword 2 */
 837         u8 cid[10];             /* dword 2 */
 838         u8 wrb_index[8];        /* dword 2 */
 839         u8 i_cmd_wnd[8];        /* dword 2 */
 840         u8 i_res_cnt[31];       /* dword 3 */
 841         u8 valid;               /* dword 3 */
 842 } __packed;
 843
 844 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 845 struct amap_sol_cqe_ring {
 846         u8 hw_sts[8];           /* dword 0 */
 847         u8 i_sts[8];            /* dword 0 */
 848         u8 i_resp[8];           /* dword 0 */
 849         u8 i_flags[7];          /* dword 0 */
 850         u8 s;                   /* dword 0 */
 851         u8 i_exp_cmd_sn[32];    /* dword 1 */
 852         u8 code[6];             /* dword 2 */
 853         u8 icd_index[12];       /* dword 2 */
 854         u8 rsvd[6];             /* dword 2 */
 855         u8 i_cmd_wnd[8];        /* dword 2 */
 856         u8 i_res_cnt[31];       /* dword 3 */
 857         u8 valid;               /* dword 3 */
 858 } __packed;
 859
 860 struct amap_sol_cqe_v2 {
 861         u8 hw_sts[8];   /* dword 0 */
 862         u8 i_sts[8];    /* dword 0 */
 863         u8 wrb_index[16];   /* dword 0 */
 864         u8 i_exp_cmd_sn[32];    /* dword 1 */
 865         u8 code[6]; /* dword 2 */
 866         u8 cmd_cmpl;    /* dword 2 */
 867         u8 rsvd0;   /* dword 2 */
 868         u8 i_cmd_wnd[8];    /* dword 2 */
 869         u8 cid[13]; /* dword 2 */
 870         u8 u;   /* dword 2 */
 871         u8 o;   /* dword 2 */
 872         u8 s;   /* dword 2 */
 873         u8 i_res_cnt[31];   /* dword 3 */
 874         u8 valid;   /* dword 3 */
 875 } __packed;
 876
 877 struct common_sol_cqe {
 878         u32 exp_cmdsn;
 879         u32 res_cnt;
 880         u16 wrb_index;
 881         u16 cid;
 882         u8 hw_sts;
 883         u8 cmd_wnd;
 884         u8 res_flag; /* the s feild of structure */
 885         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 886         u8 i_flags; /* for skh or the u and o feilds */
 887         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 888 };
 889
 890 /*** iSCSI ack/driver message completions ***/
 891 struct amap_it_dmsg_cqe {
 892         u8 ack_num[32]; /* DWORD 0 */
 893         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 894         u8 code[6]; /* DWORD 2 */
 895         u8 cid[10]; /* DWORD 2 */
 896         u8 wrb_idx[8];  /* DWORD 2 */
 897         u8 rsvd0[8];    /* DWORD 2*/
 898         u8 rsvd1[31];   /* DWORD 3*/
 899         u8 valid;   /* DWORD 3 */
 900 } __packed;
 901
 902 struct amap_it_dmsg_cqe_v2 {
 903         u8 ack_num[32]; /* DWORD 0 */
 904         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 905         u8 code[6]; /* DWORD 2 */
 906         u8 rsvd0[10];   /* DWORD 2 */
 907         u8 wrb_idx[16]; /* DWORD 2 */
 908         u8 rsvd1[16];   /* DWORD 3 */
 909         u8 cid[13]; /* DWORD 3 */
 910         u8 rsvd2[2];    /* DWORD 3 */
 911         u8 valid;   /* DWORD 3 */
 912 } __packed;
 913
 914
 915 /**
 916  * Post WRB Queue Doorbell Register used by the host Storage
 917  * stack to notify the
 918  * controller of a posted Work Request Block
 919  */
 920 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
 921 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 922
 923 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 924 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 925
 926 struct fragnum_bits_for_sgl_cra_in {
 927         struct be_cmd_req_hdr hdr;
 928         u32 num_bits;
 929 } __packed;
 930
 931 struct iscsi_cleanup_req {
 932         struct be_cmd_req_hdr hdr;
 933         u16 chute;
 934         u8 hdr_ring_id;
 935         u8 data_ring_id;
 936
 937 } __packed;
 938
 939 struct eq_delay {
 940         u32 eq_id;
 941         u32 phase;
 942         u32 delay_multiplier;
 943 } __packed;
 944
 945 struct be_eq_delay_params_in {
 946         struct be_cmd_req_hdr hdr;
 947         u32 num_eq;
 948         struct eq_delay delay[8];
 949 } __packed;
 950
 951 struct tcp_connect_and_offload_in {
 952         struct be_cmd_req_hdr hdr;
 953         struct ip_addr_format ip_address;
 954         u16 tcp_port;
 955         u16 cid;
 956         u16 cq_id;
 957         u16 defq_id;
 958         struct phys_addr dataout_template_pa;
 959         u16 hdr_ring_id;
 960         u16 data_ring_id;
 961         u8 do_offload;
 962         u8 rsvd0[3];
 963 } __packed;
 964
 965 struct tcp_connect_and_offload_out {
 966         struct be_cmd_resp_hdr hdr;
 967         u32 connection_handle;
 968         u16 cid;
 969         u16 rsvd0;
 970
 971 } __packed;
 972
 973 struct be_mcc_wrb_context {
 974         struct MCC_WRB *wrb;
 975         int *users_final_status;
 976 } __packed;
 977
 978 #define DB_DEF_PDU_RING_ID_MASK         0x3FF   /* bits 0 - 9 */
 979 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 0 - 9 */
 980 #define DB_DEF_PDU_REARM_SHIFT          14
 981 #define DB_DEF_PDU_EVENT_SHIFT          15
 982 #define DB_DEF_PDU_CQPROC_SHIFT         16
 983
 984 struct dmsg_cqe {
 985         u32 dw[4];
 986 } __packed;
 987
 988 struct tcp_upload_params_in {
 989         struct be_cmd_req_hdr hdr;
 990         u16 id;
 991         u16 upload_type;
 992         u32 reset_seq;
 993 } __packed;
 994
 995 struct tcp_upload_params_out {
 996         u32 dw[32];
 997 } __packed;
 998
 999 union tcp_upload_params {
1000         struct tcp_upload_params_in request;
1001         struct tcp_upload_params_out response;
1002 } __packed;
1003
1004 struct be_ulp_fw_cfg {
1005         u32 ulp_mode;
1006         u32 etx_base;
1007         u32 etx_count;
1008         u32 sq_base;
1009         u32 sq_count;
1010         u32 rq_base;
1011         u32 rq_count;
1012         u32 dq_base;
1013         u32 dq_count;
1014         u32 lro_base;
1015         u32 lro_count;
1016         u32 icd_base;
1017         u32 icd_count;
1018 };
1019
1020 struct be_fw_cfg {
1021         struct be_cmd_req_hdr hdr;
1022         u32 be_config_number;
1023         u32 asic_revision;
1024         u32 phys_port;
1025         u32 function_mode;
1026         struct be_ulp_fw_cfg ulp[2];
1027         u32 function_caps;
1028 } __packed;
1029
1030 struct be_cmd_get_all_if_id_req {
1031         struct be_cmd_req_hdr hdr;
1032         u32 if_count;
1033         u32 if_hndl_list[1];
1034 } __packed;
1035
1036 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1037 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1038 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1039 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1040 #define OPCODE_COMMON_TCP_UPLOAD                56
1041 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1042 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1043 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1044 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1045 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1046 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1047 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1048 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1049 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1050 #define OPCODE_COMMON_WRITE_FLASH               96
1051 #define OPCODE_COMMON_READ_FLASH                97
1052
1053 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1054 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1055 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1056 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1057
1058 #define INI_WR_CMD                      1       /* Initiator write command */
1059 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1060 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1061 #define INI_RD_CMD                      5       /* Initiator requesting to send
1062                                                  * a read command
1063                                                  */
1064 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1065 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1066                                                  * where only the status number
1067                                                  * need to be updated
1068                                                  */
1069 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1070                                                  * to read command
1071                                                  */
1072 #define TGT_SOS_PDU                     10      /* Target:standalone status
1073                                                  * response
1074                                                  */
1075 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1076                                                  *  preparedby
1077                                                  * driver should not be touched
1078                                                  */
1079 /* --- CMD_CHUTE_TYPE --- */
1080 #define CMD_CONNECTION_CHUTE_0          1
1081 #define CMD_CONNECTION_CHUTE_1          2
1082 #define CMD_CONNECTION_CHUTE_2          3
1083
1084 #define EQ_MAJOR_CODE_COMPLETION        0
1085
1086 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1087 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1088
1089 /* --- CONNECTION_UPLOAD_PARAMS --- */
1090 /* These parameters are used to define the type of upload desired.  */
1091 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1092 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1093                                                  * reset
1094                                                  */
1095 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1096                                                  * reset
1097                                                  */
1098 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1099                                                  * sequence number by driver  */
1100
1101 /* Returns the number of items in the field array. */
1102 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1103         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1104
1105 /**
1106  * Different types of iSCSI completions to host driver for both initiator
1107  * and taget mode
1108  * of operation.
1109  */
1110 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1111                                                  * normally
1112                                                  */
1113 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1114                                                  * invalidated internally due
1115                                                  * to Data Digest error
1116                                                  */
1117 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1118                                                  * internally
1119                                                  * due to a received PDU
1120                                                  * size > DSL
1121                                                  */
1122 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1123                                                  * internally due ti received
1124                                                  * PDU sequence size >
1125                                                  * FBL/MBL.
1126                                                  */
1127 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1128                                                  * internally due to a received
1129                                                  * PDU Hdr that has
1130                                                  * AHS */
1131 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1132                                                  * internally due to Hdr Digest
1133                                                  * error
1134                                                  */
1135 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1136                                                  *  internally
1137                                                  * due to a bad opcode in the
1138                                                  * pdu hdr
1139                                                  */
1140 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1141                                                  * internally due to a received
1142                                                  * ITT/TTT that does not belong
1143                                                  * to this Connection
1144                                                  */
1145 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1146                                                  * internally due to received
1147                                                  * ITT/TTT value > Max
1148                                                  * Supported ITTs/TTTs
1149                                                  */
1150 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1151                                                  * internally due to an
1152                                                  * incoming TCP RST
1153                                                  */
1154 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1155                                                  * internally due to timeout on
1156                                                  * tcp segment 12 retransmit
1157                                                  * attempts failed
1158                                                  */
1159 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1160                                                  * internally due to TCP RST
1161                                                  * sent by the Tx side
1162                                                  */
1163 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1164                                                  * internally due to an
1165                                                  * incoming TCP FIN.
1166                                                  */
1167 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1168                                                  * internally due to bad
1169                                                  * unsolicited PDU Unsolicited
1170                                                  * PDUs are PDUs with
1171                                                  * ITT=0xffffffff
1172                                                  */
1173 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1174                                                  * internally due to bad WRB
1175                                                  * index.
1176                                                  */
1177 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1178                                                  * internally due to received
1179                                                  * command has residual
1180                                                  * over run bytes.
1181                                                  */
1182 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1183                                                  * internally due to received
1184                                                  * command has residual under
1185                                                  * run bytes.
1186                                                  */
1187 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1188                                                  * internally due to a received
1189                                                  * PDU has an invalid StatusSN
1190                                                  */
1191 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1192                                                  * internally due to a received
1193                                                  * an R2T with some invalid
1194                                                  * fields in it
1195                                                  */
1196 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1197                                                  * internally due to received
1198                                                  * PDU has an invalid LUN.
1199                                                  */
1200 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1201                                                  * internally due to the
1202                                                  * corresponding ICD not in a
1203                                                  * valid state
1204                                                  */
1205 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1206                                                  *  to received PDU has an
1207                                                  *  invalid ITT.
1208                                                  */
1209 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1210                                                  * to received sequence buffer
1211                                                  * offset is out of order.
1212                                                  */
1213 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1214                                                  * internally due to a
1215                                                  * received PDU has an invalid
1216                                                  * DataSN
1217                                                  */
1218 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1219                                                  * completion notify.
1220                                                  */
1221 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1222                                                  * completion
1223                                                  * with data PDU index.
1224                                                  */
1225 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1226                                                  * completionnotifify.
1227                                                  */
1228 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1229 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1230 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1231                                                  * error notify.
1232                                                  */
1233 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1234                                                  * notification.
1235                                                  */
1236 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1237                                                   * internally due to command
1238                                                   * and data are not on same
1239                                                   * connection.
1240                                                   */
1241 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1242                                                  *  invalidated internally due
1243                                                  *  to DIF error
1244                                                  */
1245 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1246                                                  * internally due to incoming
1247                                                  * TCP SYN
1248                                                  */
1249 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1250                                                  * internally due to an
1251                                                  * incoming Unsolicited PDU
1252                                                  * that has immediate data on
1253                                                  * the cxn
1254                                                  */
1255
1256 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1257 int be_chk_reset_complete(struct beiscsi_hba *phba);
1258
1259 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1260                         bool embedded, u8 sge_cnt);
1261
1262 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1263                         u8 subsystem, u8 opcode, int cmd_len);
1264
1265 #endif /* !BEISCSI_CMDS_H */