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 #define EMBED_MBX_MAX_PAYLOAD_SIZE  220
  44                 u8 embedded_payload[236];       /* used by embedded cmds */
  45                 struct be_sge sgl[19];  /* used by non-embedded cmds */
  46         } payload;
  47 };
  48
  49 #define CQE_FLAGS_VALID_MASK (1 << 31)
  50 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
  51 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
  52 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
  53
  54 /* Completion Status */
  55 #define MCC_STATUS_SUCCESS 0x0
  56 #define MCC_STATUS_FAILED 0x1
  57 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
  58 #define MCC_STATUS_ILLEGAL_FIELD 0x3
  59 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
  60
  61 #define CQE_STATUS_COMPL_MASK 0xFFFF
  62 #define CQE_STATUS_COMPL_SHIFT 0        /* bits 0 - 15 */
  63 #define CQE_STATUS_EXTD_MASK 0xFFFF
  64 #define CQE_STATUS_EXTD_SHIFT 16                /* bits 0 - 15 */
  65 #define CQE_STATUS_ADDL_MASK    0xFF00
  66 #define CQE_STATUS_MASK 0xFF
  67 #define CQE_STATUS_ADDL_SHIFT   0x08
  68 #define CQE_STATUS_WRB_MASK     0xFF0000
  69 #define CQE_STATUS_WRB_SHIFT    16
  70 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  71 #define BEISCSI_FW_MBX_TIMEOUT  100
  72
  73 /* MBOX Command VER */
  74 #define MBX_CMD_VER2    0x02
  75
  76 struct be_mcc_compl {
  77         u32 status;             /* dword 0 */
  78         u32 tag0;               /* dword 1 */
  79         u32 tag1;               /* dword 2 */
  80         u32 flags;              /* dword 3 */
  81 };
  82
  83 /********* Mailbox door bell *************/
  84 /**
  85  * Used for driver communication with the FW.
  86  * The software must write this register twice to post any command. First,
  87  * it writes the register with hi=1 and the upper bits of the physical address
  88  * for the MAILBOX structure. Software must poll the ready bit until this
  89  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  90  * bits in the address. It must poll the ready bit until the command is
  91  * complete. Upon completion, the MAILBOX will contain a valid completion
  92  * queue entry.
  93  */
  94 #define MPU_MAILBOX_DB_OFFSET   0x160
  95 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  96 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  97
  98 /********** MPU semphore ******************/
  99 #define MPU_EP_SEMAPHORE_OFFSET 0xac
 100 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
 101 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
 102 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
 103
 104 /********** MCC door bell ************/
 105 #define DB_MCCQ_OFFSET 0x140
 106 #define DB_MCCQ_RING_ID_MASK 0x7FF              /* bits 0 - 10 */
 107 /* Number of entries posted */
 108 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 109
 110 /* MPU semphore POST stage values */
 111 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
 112
 113 /**
 114  * When the async bit of mcc_compl is set, the last 4 bytes of
 115  * mcc_compl is interpreted as follows:
 116  */
 117 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 118 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 119 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 120 struct be_async_event_trailer {
 121         u32 code;
 122 };
 123
 124 enum {
 125         ASYNC_EVENT_LINK_DOWN = 0x0,
 126         ASYNC_EVENT_LINK_UP = 0x1,
 127         ASYNC_EVENT_LOGICAL = 0x2
 128 };
 129
 130 /**
 131  * When the event code of an async trailer is link-state, the mcc_compl
 132  * must be interpreted as follows
 133  */
 134 struct be_async_event_link_state {
 135         u8 physical_port;
 136         u8 port_link_status;
 137         u8 port_duplex;
 138         u8 port_speed;
 139 #define BEISCSI_PHY_LINK_FAULT_NONE     0x00
 140 #define BEISCSI_PHY_LINK_FAULT_LOCAL    0x01
 141 #define BEISCSI_PHY_LINK_FAULT_REMOTE   0x02
 142         u8 port_fault;
 143         u8 rsvd0[7];
 144         struct be_async_event_trailer trailer;
 145 } __packed;
 146
 147 struct be_mcc_mailbox {
 148         struct be_mcc_wrb wrb;
 149         struct be_mcc_compl compl;
 150 };
 151
 152 /* Type of subsystems supported by FW */
 153 #define CMD_SUBSYSTEM_COMMON    0x1
 154 #define CMD_SUBSYSTEM_ISCSI     0x2
 155 #define CMD_SUBSYSTEM_ETH       0x3
 156 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 157 #define CMD_COMMON_TCP_UPLOAD   0x1
 158
 159 /**
 160  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 161  * These opcodes are unique for each subsystem defined above
 162  */
 163 #define OPCODE_COMMON_CQ_CREATE                         12
 164 #define OPCODE_COMMON_EQ_CREATE                         13
 165 #define OPCODE_COMMON_MCC_CREATE                        21
 166 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 167 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 168 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 169 #define OPCODE_COMMON_GET_FW_VERSION                    35
 170 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 171 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 172 #define OPCODE_COMMON_MCC_DESTROY                       53
 173 #define OPCODE_COMMON_CQ_DESTROY                        54
 174 #define OPCODE_COMMON_EQ_DESTROY                        55
 175 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 176 #define OPCODE_COMMON_FUNCTION_RESET                    61
 177
 178 /**
 179  * LIST of opcodes that are common between Initiator and Target
 180  * used by CMD_SUBSYSTEM_ISCSI
 181  * These opcodes are unique for each subsystem defined above
 182  */
 183 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 184 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 185 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 186 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 187 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 188 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 189 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 190 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 191 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 192 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 193 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 194 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 195 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 196 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 197 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 198 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 199
 200 struct be_cmd_req_hdr {
 201         u8 opcode;              /* dword 0 */
 202         u8 subsystem;           /* dword 0 */
 203         u8 port_number;         /* dword 0 */
 204         u8 domain;              /* dword 0 */
 205         u32 timeout;            /* dword 1 */
 206         u32 request_length;     /* dword 2 */
 207         u8 version;             /* dword 3 */
 208         u8 rsvd0[3];            /* dword 3 */
 209 };
 210
 211 struct be_cmd_resp_hdr {
 212         u32 info;               /* dword 0 */
 213         u32 status;             /* dword 1 */
 214         u32 response_length;    /* dword 2 */
 215         u32 actual_resp_len;    /* dword 3 */
 216 };
 217
 218 struct phys_addr {
 219         u32 lo;
 220         u32 hi;
 221 };
 222
 223 struct virt_addr {
 224         u32 lo;
 225         u32 hi;
 226 };
 227 /**************************
 228  * BE Command definitions *
 229  **************************/
 230
 231 /**
 232  * Pseudo amap definition in which each bit of the actual structure is defined
 233  * as a byte - used to calculate offset/shift/mask of each field
 234  */
 235 struct amap_eq_context {
 236         u8 cidx[13];            /* dword 0 */
 237         u8 rsvd0[3];            /* dword 0 */
 238         u8 epidx[13];           /* dword 0 */
 239         u8 valid;               /* dword 0 */
 240         u8 rsvd1;               /* dword 0 */
 241         u8 size;                /* dword 0 */
 242         u8 pidx[13];            /* dword 1 */
 243         u8 rsvd2[3];            /* dword 1 */
 244         u8 pd[10];              /* dword 1 */
 245         u8 count[3];            /* dword 1 */
 246         u8 solevent;            /* dword 1 */
 247         u8 stalled;             /* dword 1 */
 248         u8 armed;               /* dword 1 */
 249         u8 rsvd3[4];            /* dword 2 */
 250         u8 func[8];             /* dword 2 */
 251         u8 rsvd4;               /* dword 2 */
 252         u8 delaymult[10];       /* dword 2 */
 253         u8 rsvd5[2];            /* dword 2 */
 254         u8 phase[2];            /* dword 2 */
 255         u8 nodelay;             /* dword 2 */
 256         u8 rsvd6[4];            /* dword 2 */
 257         u8 rsvd7[32];           /* dword 3 */
 258 } __packed;
 259
 260 struct be_cmd_req_eq_create {
 261         struct be_cmd_req_hdr hdr;      /* dw[4] */
 262         u16 num_pages;          /* sword */
 263         u16 rsvd0;              /* sword */
 264         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 265         struct phys_addr pages[8];
 266 } __packed;
 267
 268 struct be_cmd_resp_eq_create {
 269         struct be_cmd_resp_hdr resp_hdr;
 270         u16 eq_id;              /* sword */
 271         u16 rsvd0;              /* sword */
 272 } __packed;
 273
 274 struct mgmt_chap_format {
 275         u32 flags;
 276         u8  intr_chap_name[256];
 277         u8  intr_secret[16];
 278         u8  target_chap_name[256];
 279         u8  target_secret[16];
 280         u16 intr_chap_name_length;
 281         u16 intr_secret_length;
 282         u16 target_chap_name_length;
 283         u16 target_secret_length;
 284 } __packed;
 285
 286 struct mgmt_auth_method_format {
 287         u8      auth_method_type;
 288         u8      padding[3];
 289         struct  mgmt_chap_format chap;
 290 } __packed;
 291
 292 struct mgmt_conn_login_options {
 293         u8 flags;
 294         u8 header_digest;
 295         u8 data_digest;
 296         u8 rsvd0;
 297         u32 max_recv_datasegment_len_ini;
 298         u32 max_recv_datasegment_len_tgt;
 299         u32 tcp_mss;
 300         u32 tcp_window_size;
 301         struct  mgmt_auth_method_format auth_data;
 302 } __packed;
 303
 304 struct ip_addr_format {
 305         u16 size_of_structure;
 306         u8 reserved;
 307         u8 ip_type;
 308         u8 addr[16];
 309         u32 rsvd0;
 310 } __packed;
 311
 312 struct mgmt_conn_info {
 313         u32     connection_handle;
 314         u32     connection_status;
 315         u16     src_port;
 316         u16     dest_port;
 317         u16     dest_port_redirected;
 318         u16     cid;
 319         u32     estimated_throughput;
 320         struct  ip_addr_format  src_ipaddr;
 321         struct  ip_addr_format  dest_ipaddr;
 322         struct  ip_addr_format  dest_ipaddr_redirected;
 323         struct  mgmt_conn_login_options negotiated_login_options;
 324 } __packed;
 325
 326 struct mgmt_session_login_options {
 327         u8      flags;
 328         u8      error_recovery_level;
 329         u16     rsvd0;
 330         u32     first_burst_length;
 331         u32     max_burst_length;
 332         u16     max_connections;
 333         u16     max_outstanding_r2t;
 334         u16     default_time2wait;
 335         u16     default_time2retain;
 336 } __packed;
 337
 338 struct mgmt_session_info {
 339         u32     session_handle;
 340         u32     status;
 341         u8      isid[6];
 342         u16     tsih;
 343         u32     session_flags;
 344         u16     conn_count;
 345         u16     pad;
 346         u8      target_name[224];
 347         u8      initiator_iscsiname[224];
 348         struct  mgmt_session_login_options negotiated_login_options;
 349         struct  mgmt_conn_info  conn_list[1];
 350 } __packed;
 351
 352 struct be_cmd_get_session_req {
 353         struct be_cmd_req_hdr hdr;
 354         u32 session_handle;
 355 } __packed;
 356
 357 struct be_cmd_get_session_resp {
 358         struct be_cmd_resp_hdr hdr;
 359         struct mgmt_session_info session_info;
 360 } __packed;
 361
 362 struct mac_addr {
 363         u16 size_of_structure;
 364         u8 addr[ETH_ALEN];
 365 } __packed;
 366
 367 struct be_cmd_get_boot_target_req {
 368         struct be_cmd_req_hdr hdr;
 369 } __packed;
 370
 371 struct be_cmd_get_boot_target_resp {
 372         struct be_cmd_resp_hdr hdr;
 373         u32  boot_session_count;
 374         int  boot_session_handle;
 375 };
 376
 377 struct be_cmd_reopen_session_req {
 378         struct be_cmd_req_hdr hdr;
 379 #define BE_REOPEN_ALL_SESSIONS  0x00
 380 #define BE_REOPEN_BOOT_SESSIONS 0x01
 381 #define BE_REOPEN_A_SESSION     0x02
 382         u16 reopen_type;
 383         u16 rsvd;
 384         u32 session_handle;
 385 } __packed;
 386
 387 struct be_cmd_reopen_session_resp {
 388         struct be_cmd_resp_hdr hdr;
 389         u32 rsvd;
 390         u32 session_handle;
 391 } __packed;
 392
 393
 394 struct be_cmd_mac_query_req {
 395         struct be_cmd_req_hdr hdr;
 396         u8 type;
 397         u8 permanent;
 398         u16 if_id;
 399 } __packed;
 400
 401 struct be_cmd_get_mac_resp {
 402         struct be_cmd_resp_hdr hdr;
 403         struct mac_addr mac;
 404 };
 405
 406 struct be_ip_addr_subnet_format {
 407         u16 size_of_structure;
 408         u8 ip_type;
 409         u8 ipv6_prefix_length;
 410         u8 addr[16];
 411         u8 subnet_mask[16];
 412         u32 rsvd0;
 413 } __packed;
 414
 415 struct be_cmd_get_if_info_req {
 416         struct be_cmd_req_hdr hdr;
 417         u32 interface_hndl;
 418         u32 ip_type;
 419 } __packed;
 420
 421 struct be_cmd_get_if_info_resp {
 422         struct be_cmd_req_hdr hdr;
 423         u32 interface_hndl;
 424         u32 vlan_priority;
 425         u32 ip_addr_count;
 426         u32 dhcp_state;
 427         struct be_ip_addr_subnet_format ip_addr;
 428 } __packed;
 429
 430 struct be_ip_addr_record {
 431         u32 action;
 432         u32 interface_hndl;
 433         struct be_ip_addr_subnet_format ip_addr;
 434         u32 status;
 435 } __packed;
 436
 437 struct be_ip_addr_record_params {
 438         u32 record_entry_count;
 439         struct be_ip_addr_record ip_record;
 440 } __packed;
 441
 442 struct be_cmd_set_ip_addr_req {
 443         struct be_cmd_req_hdr hdr;
 444         struct be_ip_addr_record_params ip_params;
 445 } __packed;
 446
 447
 448 struct be_cmd_set_dhcp_req {
 449         struct be_cmd_req_hdr hdr;
 450         u32 interface_hndl;
 451         u32 ip_type;
 452         u32 flags;
 453         u32 retry_count;
 454 } __packed;
 455
 456 struct be_cmd_rel_dhcp_req {
 457         struct be_cmd_req_hdr hdr;
 458         u32 interface_hndl;
 459         u32 ip_type;
 460 } __packed;
 461
 462 struct be_cmd_set_def_gateway_req {
 463         struct be_cmd_req_hdr hdr;
 464         u32 action;
 465         struct ip_addr_format ip_addr;
 466 } __packed;
 467
 468 struct be_cmd_get_def_gateway_req {
 469         struct be_cmd_req_hdr hdr;
 470         u32 ip_type;
 471 } __packed;
 472
 473 struct be_cmd_get_def_gateway_resp {
 474         struct be_cmd_req_hdr hdr;
 475         struct ip_addr_format ip_addr;
 476 } __packed;
 477
 478 #define BEISCSI_VLAN_DISABLE    0xFFFF
 479 struct be_cmd_set_vlan_req {
 480         struct be_cmd_req_hdr hdr;
 481         u32 interface_hndl;
 482         u32 vlan_priority;
 483 } __packed;
 484 /******************** Create CQ ***************************/
 485 /**
 486  * Pseudo amap definition in which each bit of the actual structure is defined
 487  * as a byte - used to calculate offset/shift/mask of each field
 488  */
 489 struct amap_cq_context {
 490         u8 cidx[11];            /* dword 0 */
 491         u8 rsvd0;               /* dword 0 */
 492         u8 coalescwm[2];        /* dword 0 */
 493         u8 nodelay;             /* dword 0 */
 494         u8 epidx[11];           /* dword 0 */
 495         u8 rsvd1;               /* dword 0 */
 496         u8 count[2];            /* dword 0 */
 497         u8 valid;               /* dword 0 */
 498         u8 solevent;            /* dword 0 */
 499         u8 eventable;           /* dword 0 */
 500         u8 pidx[11];            /* dword 1 */
 501         u8 rsvd2;               /* dword 1 */
 502         u8 pd[10];              /* dword 1 */
 503         u8 eqid[8];             /* dword 1 */
 504         u8 stalled;             /* dword 1 */
 505         u8 armed;               /* dword 1 */
 506         u8 rsvd3[4];            /* dword 2 */
 507         u8 func[8];             /* dword 2 */
 508         u8 rsvd4[20];           /* dword 2 */
 509         u8 rsvd5[32];           /* dword 3 */
 510 } __packed;
 511
 512 struct amap_cq_context_v2 {
 513         u8 rsvd0[12];   /* dword 0 */
 514         u8 coalescwm[2];    /* dword 0 */
 515         u8 nodelay;     /* dword 0 */
 516         u8 rsvd1[12];   /* dword 0 */
 517         u8 count[2];    /* dword 0 */
 518         u8 valid;       /* dword 0 */
 519         u8 rsvd2;       /* dword 0 */
 520         u8 eventable;   /* dword 0 */
 521         u8 eqid[16];    /* dword 1 */
 522         u8 rsvd3[15];   /* dword 1 */
 523         u8 armed;       /* dword 1 */
 524         u8 cqecount[16];/* dword 2 */
 525         u8 rsvd4[16];   /* dword 2 */
 526         u8 rsvd5[32];   /* dword 3 */
 527 };
 528
 529 struct be_cmd_req_cq_create {
 530         struct be_cmd_req_hdr hdr;
 531         u16 num_pages;
 532         u8 page_size;
 533         u8 rsvd0;
 534         u8 context[sizeof(struct amap_cq_context) / 8];
 535         struct phys_addr pages[4];
 536 } __packed;
 537
 538 struct be_cmd_resp_cq_create {
 539         struct be_cmd_resp_hdr hdr;
 540         u16 cq_id;
 541         u16 rsvd0;
 542 } __packed;
 543
 544 /******************** Create MCCQ ***************************/
 545 /**
 546  * Pseudo amap definition in which each bit of the actual structure is defined
 547  * as a byte - used to calculate offset/shift/mask of each field
 548  */
 549 struct amap_mcc_context {
 550         u8 con_index[14];
 551         u8 rsvd0[2];
 552         u8 ring_size[4];
 553         u8 fetch_wrb;
 554         u8 fetch_r2t;
 555         u8 cq_id[10];
 556         u8 prod_index[14];
 557         u8 fid[8];
 558         u8 pdid[9];
 559         u8 valid;
 560         u8 rsvd1[32];
 561         u8 rsvd2[32];
 562 } __packed;
 563
 564 struct be_cmd_req_mcc_create {
 565         struct be_cmd_req_hdr hdr;
 566         u16 num_pages;
 567         u16 rsvd0;
 568         u8 context[sizeof(struct amap_mcc_context) / 8];
 569         struct phys_addr pages[8];
 570 } __packed;
 571
 572 struct be_cmd_resp_mcc_create {
 573         struct be_cmd_resp_hdr hdr;
 574         u16 id;
 575         u16 rsvd0;
 576 } __packed;
 577
 578 /******************** Q Destroy  ***************************/
 579 /* Type of Queue to be destroyed */
 580 enum {
 581         QTYPE_EQ = 1,
 582         QTYPE_CQ,
 583         QTYPE_MCCQ,
 584         QTYPE_WRBQ,
 585         QTYPE_DPDUQ,
 586         QTYPE_SGL
 587 };
 588
 589 struct be_cmd_req_q_destroy {
 590         struct be_cmd_req_hdr hdr;
 591         u16 id;
 592         u16 bypass_flush;       /* valid only for rx q destroy */
 593 } __packed;
 594
 595 struct macaddr {
 596         u8 byte[ETH_ALEN];
 597 };
 598
 599 struct be_cmd_req_mcast_mac_config {
 600         struct be_cmd_req_hdr hdr;
 601         u16 num_mac;
 602         u8 promiscuous;
 603         u8 interface_id;
 604         struct macaddr mac[32];
 605 } __packed;
 606
 607 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 608 {
 609         return wrb->payload.embedded_payload;
 610 }
 611
 612 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 613 {
 614         return &wrb->payload.sgl[0];
 615 }
 616
 617 /******************** Modify EQ Delay *******************/
 618 struct be_cmd_req_modify_eq_delay {
 619         struct be_cmd_req_hdr hdr;
 620         u32 num_eq;
 621         struct {
 622                 u32 eq_id;
 623                 u32 phase;
 624                 u32 delay_multiplier;
 625         } delay[8];
 626 } __packed;
 627
 628 /******************** Get MAC ADDR *******************/
 629
 630 #define ETH_ALEN        6
 631
 632 struct be_cmd_get_nic_conf_req {
 633         struct be_cmd_req_hdr hdr;
 634         u32 nic_port_count;
 635         u32 speed;
 636         u32 max_speed;
 637         u32 link_state;
 638         u32 max_frame_size;
 639         u16 size_of_structure;
 640         u8 mac_address[ETH_ALEN];
 641         u32 rsvd[23];
 642 };
 643
 644 struct be_cmd_get_nic_conf_resp {
 645         struct be_cmd_resp_hdr hdr;
 646         u32 nic_port_count;
 647         u32 speed;
 648         u32 max_speed;
 649         u32 link_state;
 650         u32 max_frame_size;
 651         u16 size_of_structure;
 652         u8 mac_address[6];
 653         u32 rsvd[23];
 654 };
 655
 656 #define BEISCSI_ALIAS_LEN 32
 657
 658 struct be_cmd_hba_name {
 659         struct be_cmd_req_hdr hdr;
 660         u16 flags;
 661         u16 rsvd0;
 662         u8 initiator_name[ISCSI_NAME_LEN];
 663         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 664 } __packed;
 665
 666 struct be_cmd_ntwk_link_status_req {
 667         struct be_cmd_req_hdr hdr;
 668         u32 rsvd0;
 669 } __packed;
 670
 671 /*** Port Speed Values ***/
 672 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
 673 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 674 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 675 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 676 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 677 struct be_cmd_ntwk_link_status_resp {
 678         struct be_cmd_resp_hdr hdr;
 679         u8 phys_port;
 680         u8 mac_duplex;
 681         u8 mac_speed;
 682         u8 mac_fault;
 683         u8 mgmt_mac_duplex;
 684         u8 mgmt_mac_speed;
 685         u16 qos_link_speed;
 686         u32 logical_link_speed;
 687 } __packed;
 688
 689 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 690                           struct be_queue_info *eq, int eq_delay);
 691
 692 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 693                           struct be_queue_info *cq, struct be_queue_info *eq,
 694                           bool sol_evts, bool no_delay,
 695                           int num_cqe_dma_coalesce);
 696
 697 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 698                           int type);
 699 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 700                         struct be_queue_info *mccq,
 701                         struct be_queue_info *cq);
 702
 703 int be_poll_mcc(struct be_ctrl_info *ctrl);
 704 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 705                                       struct beiscsi_hba *phba);
 706 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 707 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
 708
 709 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 710
 711 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
 712                         uint32_t tag, struct be_mcc_wrb **wrb, void *cmd_va);
 713 /*ISCSI Functuions */
 714 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 715 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
 716
 717 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 718 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 719 int be_mcc_notify_wait(struct beiscsi_hba *phba);
 720 void be_mcc_notify(struct beiscsi_hba *phba);
 721 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 722 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 723                 struct be_async_event_link_state *evt);
 724 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 725                                     struct be_mcc_compl *compl);
 726
 727 int be_mbox_notify(struct be_ctrl_info *ctrl);
 728
 729 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 730                                     struct be_queue_info *cq,
 731                                     struct be_queue_info *dq, int length,
 732                                     int entry_size, uint8_t is_header,
 733                                     uint8_t ulp_num);
 734
 735 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 736                                     struct be_dma_mem *q_mem);
 737
 738 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 739
 740 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 741                                 struct be_dma_mem *q_mem, u32 page_offset,
 742                                 u32 num_pages);
 743
 744 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 745
 746 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 747                        struct be_queue_info *wrbq,
 748                        struct hwi_wrb_context *pwrb_context,
 749                        uint8_t ulp_num);
 750
 751 bool is_link_state_evt(u32 trailer);
 752
 753 /* Configuration Functions */
 754 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 755
 756 struct be_default_pdu_context {
 757         u32 dw[4];
 758 } __packed;
 759
 760 struct amap_be_default_pdu_context {
 761         u8 dbuf_cindex[13];     /* dword 0 */
 762         u8 rsvd0[3];            /* dword 0 */
 763         u8 ring_size[4];        /* dword 0 */
 764         u8 ring_state[4];       /* dword 0 */
 765         u8 rsvd1[8];            /* dword 0 */
 766         u8 dbuf_pindex[13];     /* dword 1 */
 767         u8 rsvd2;               /* dword 1 */
 768         u8 pci_func_id[8];      /* dword 1 */
 769         u8 rx_pdid[9];          /* dword 1 */
 770         u8 rx_pdid_valid;       /* dword 1 */
 771         u8 default_buffer_size[16];     /* dword 2 */
 772         u8 cq_id_recv[10];      /* dword 2 */
 773         u8 rx_pdid_not_valid;   /* dword 2 */
 774         u8 rsvd3[5];            /* dword 2 */
 775         u8 rsvd4[32];           /* dword 3 */
 776 } __packed;
 777
 778 struct amap_default_pdu_context_ext {
 779         u8 rsvd0[16];   /* dword 0 */
 780         u8 ring_size[4];    /* dword 0 */
 781         u8 rsvd1[12];   /* dword 0 */
 782         u8 rsvd2[22];   /* dword 1 */
 783         u8 rx_pdid[9];  /* dword 1 */
 784         u8 rx_pdid_valid;   /* dword 1 */
 785         u8 default_buffer_size[16]; /* dword 2 */
 786         u8 cq_id_recv[16];  /* dword 2 */
 787         u8 rsvd3[32];   /* dword 3 */
 788 } __packed;
 789
 790 struct be_defq_create_req {
 791         struct be_cmd_req_hdr hdr;
 792         u16 num_pages;
 793         u8 ulp_num;
 794 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 795 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 796         u8 dua_feature;
 797         struct be_default_pdu_context context;
 798         struct phys_addr pages[8];
 799 } __packed;
 800
 801 struct be_defq_create_resp {
 802         struct be_cmd_req_hdr hdr;
 803         u16 id;
 804         u8 rsvd0;
 805         u8 ulp_num;
 806         u32 doorbell_offset;
 807         u16 register_set;
 808         u16 doorbell_format;
 809 } __packed;
 810
 811 struct be_post_template_pages_req {
 812         struct be_cmd_req_hdr hdr;
 813         u16 num_pages;
 814 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 815         u16 type;
 816         struct phys_addr scratch_pa;
 817         struct virt_addr scratch_va;
 818         struct virt_addr pages_va;
 819         struct phys_addr pages[16];
 820 } __packed;
 821
 822 struct be_remove_template_pages_req {
 823         struct be_cmd_req_hdr hdr;
 824         u16 type;
 825         u16 rsvd0;
 826 } __packed;
 827
 828 struct be_post_sgl_pages_req {
 829         struct be_cmd_req_hdr hdr;
 830         u16 num_pages;
 831         u16 page_offset;
 832         u32 rsvd0;
 833         struct phys_addr pages[26];
 834         u32 rsvd1;
 835 } __packed;
 836
 837 struct be_wrbq_create_req {
 838         struct be_cmd_req_hdr hdr;
 839         u16 num_pages;
 840         u8 ulp_num;
 841         u8 dua_feature;
 842         struct phys_addr pages[8];
 843 } __packed;
 844
 845 struct be_wrbq_create_resp {
 846         struct be_cmd_resp_hdr resp_hdr;
 847         u16 cid;
 848         u8 rsvd0;
 849         u8 ulp_num;
 850         u32 doorbell_offset;
 851         u16 register_set;
 852         u16 doorbell_format;
 853 } __packed;
 854
 855 #define SOL_CID_MASK            0x0000FFC0
 856 #define SOL_CODE_MASK           0x0000003F
 857 #define SOL_WRB_INDEX_MASK      0x00FF0000
 858 #define SOL_CMD_WND_MASK        0xFF000000
 859 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 860 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 861 #define SOL_HW_STS_MASK         0x000000FF
 862 #define SOL_STS_MASK            0x0000FF00
 863 #define SOL_RESP_MASK           0x00FF0000
 864 #define SOL_FLAGS_MASK          0x7F000000
 865 #define SOL_S_MASK              0x80000000
 866
 867 struct sol_cqe {
 868         u32 dw[4];
 869 };
 870
 871 struct amap_sol_cqe {
 872         u8 hw_sts[8];           /* dword 0 */
 873         u8 i_sts[8];            /* dword 0 */
 874         u8 i_resp[8];           /* dword 0 */
 875         u8 i_flags[7];          /* dword 0 */
 876         u8 s;                   /* dword 0 */
 877         u8 i_exp_cmd_sn[32];    /* dword 1 */
 878         u8 code[6];             /* dword 2 */
 879         u8 cid[10];             /* dword 2 */
 880         u8 wrb_index[8];        /* dword 2 */
 881         u8 i_cmd_wnd[8];        /* dword 2 */
 882         u8 i_res_cnt[31];       /* dword 3 */
 883         u8 valid;               /* dword 3 */
 884 } __packed;
 885
 886 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 887 struct amap_sol_cqe_ring {
 888         u8 hw_sts[8];           /* dword 0 */
 889         u8 i_sts[8];            /* dword 0 */
 890         u8 i_resp[8];           /* dword 0 */
 891         u8 i_flags[7];          /* dword 0 */
 892         u8 s;                   /* dword 0 */
 893         u8 i_exp_cmd_sn[32];    /* dword 1 */
 894         u8 code[6];             /* dword 2 */
 895         u8 icd_index[12];       /* dword 2 */
 896         u8 rsvd[6];             /* dword 2 */
 897         u8 i_cmd_wnd[8];        /* dword 2 */
 898         u8 i_res_cnt[31];       /* dword 3 */
 899         u8 valid;               /* dword 3 */
 900 } __packed;
 901
 902 struct amap_sol_cqe_v2 {
 903         u8 hw_sts[8];   /* dword 0 */
 904         u8 i_sts[8];    /* dword 0 */
 905         u8 wrb_index[16];   /* dword 0 */
 906         u8 i_exp_cmd_sn[32];    /* dword 1 */
 907         u8 code[6]; /* dword 2 */
 908         u8 cmd_cmpl;    /* dword 2 */
 909         u8 rsvd0;   /* dword 2 */
 910         u8 i_cmd_wnd[8];    /* dword 2 */
 911         u8 cid[13]; /* dword 2 */
 912         u8 u;   /* dword 2 */
 913         u8 o;   /* dword 2 */
 914         u8 s;   /* dword 2 */
 915         u8 i_res_cnt[31];   /* dword 3 */
 916         u8 valid;   /* dword 3 */
 917 } __packed;
 918
 919 struct common_sol_cqe {
 920         u32 exp_cmdsn;
 921         u32 res_cnt;
 922         u16 wrb_index;
 923         u16 cid;
 924         u8 hw_sts;
 925         u8 cmd_wnd;
 926         u8 res_flag; /* the s feild of structure */
 927         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 928         u8 i_flags; /* for skh or the u and o feilds */
 929         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 930 };
 931
 932 /*** iSCSI ack/driver message completions ***/
 933 struct amap_it_dmsg_cqe {
 934         u8 ack_num[32]; /* DWORD 0 */
 935         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 936         u8 code[6]; /* DWORD 2 */
 937         u8 cid[10]; /* DWORD 2 */
 938         u8 wrb_idx[8];  /* DWORD 2 */
 939         u8 rsvd0[8];    /* DWORD 2*/
 940         u8 rsvd1[31];   /* DWORD 3*/
 941         u8 valid;   /* DWORD 3 */
 942 } __packed;
 943
 944 struct amap_it_dmsg_cqe_v2 {
 945         u8 ack_num[32]; /* DWORD 0 */
 946         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 947         u8 code[6]; /* DWORD 2 */
 948         u8 rsvd0[10];   /* DWORD 2 */
 949         u8 wrb_idx[16]; /* DWORD 2 */
 950         u8 rsvd1[16];   /* DWORD 3 */
 951         u8 cid[13]; /* DWORD 3 */
 952         u8 rsvd2[2];    /* DWORD 3 */
 953         u8 valid;   /* DWORD 3 */
 954 } __packed;
 955
 956
 957 /**
 958  * Post WRB Queue Doorbell Register used by the host Storage
 959  * stack to notify the
 960  * controller of a posted Work Request Block
 961  */
 962 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
 963 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 964
 965 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 966 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 967
 968 struct fragnum_bits_for_sgl_cra_in {
 969         struct be_cmd_req_hdr hdr;
 970         u32 num_bits;
 971 } __packed;
 972
 973 struct iscsi_cleanup_req {
 974         struct be_cmd_req_hdr hdr;
 975         u16 chute;
 976         u8 hdr_ring_id;
 977         u8 data_ring_id;
 978
 979 } __packed;
 980
 981 struct eq_delay {
 982         u32 eq_id;
 983         u32 phase;
 984         u32 delay_multiplier;
 985 } __packed;
 986
 987 struct be_eq_delay_params_in {
 988         struct be_cmd_req_hdr hdr;
 989         u32 num_eq;
 990         struct eq_delay delay[8];
 991 } __packed;
 992
 993 struct tcp_connect_and_offload_in {
 994         struct be_cmd_req_hdr hdr;
 995         struct ip_addr_format ip_address;
 996         u16 tcp_port;
 997         u16 cid;
 998         u16 cq_id;
 999         u16 defq_id;
1000         struct phys_addr dataout_template_pa;
1001         u16 hdr_ring_id;
1002         u16 data_ring_id;
1003         u8 do_offload;
1004         u8 rsvd0[3];
1005 } __packed;
1006
1007 struct tcp_connect_and_offload_out {
1008         struct be_cmd_resp_hdr hdr;
1009         u32 connection_handle;
1010         u16 cid;
1011         u16 rsvd0;
1012
1013 } __packed;
1014
1015 struct be_mcc_wrb_context {
1016         struct MCC_WRB *wrb;
1017         int *users_final_status;
1018 } __packed;
1019
1020 #define DB_DEF_PDU_RING_ID_MASK         0x3FF   /* bits 0 - 9 */
1021 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 0 - 9 */
1022 #define DB_DEF_PDU_REARM_SHIFT          14
1023 #define DB_DEF_PDU_EVENT_SHIFT          15
1024 #define DB_DEF_PDU_CQPROC_SHIFT         16
1025
1026 struct dmsg_cqe {
1027         u32 dw[4];
1028 } __packed;
1029
1030 struct tcp_upload_params_in {
1031         struct be_cmd_req_hdr hdr;
1032         u16 id;
1033         u16 upload_type;
1034         u32 reset_seq;
1035 } __packed;
1036
1037 struct tcp_upload_params_out {
1038         u32 dw[32];
1039 } __packed;
1040
1041 union tcp_upload_params {
1042         struct tcp_upload_params_in request;
1043         struct tcp_upload_params_out response;
1044 } __packed;
1045
1046 struct be_ulp_fw_cfg {
1047 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1048         u32 ulp_mode;
1049         u32 etx_base;
1050         u32 etx_count;
1051         u32 sq_base;
1052         u32 sq_count;
1053         u32 rq_base;
1054         u32 rq_count;
1055         u32 dq_base;
1056         u32 dq_count;
1057         u32 lro_base;
1058         u32 lro_count;
1059         u32 icd_base;
1060         u32 icd_count;
1061 };
1062
1063 struct be_ulp_chain_icd {
1064         u32 chain_base;
1065         u32 chain_count;
1066 };
1067
1068 struct be_fw_cfg {
1069         struct be_cmd_req_hdr hdr;
1070         u32 be_config_number;
1071         u32 asic_revision;
1072         u32 phys_port;
1073 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1074 #define BEISCSI_FUNC_DUA_MODE   0x800
1075         u32 function_mode;
1076         struct be_ulp_fw_cfg ulp[2];
1077         u32 function_caps;
1078         u32 cqid_base;
1079         u32 cqid_count;
1080         u32 eqid_base;
1081         u32 eqid_count;
1082         struct be_ulp_chain_icd chain_icd[2];
1083 } __packed;
1084
1085 struct be_cmd_get_all_if_id_req {
1086         struct be_cmd_req_hdr hdr;
1087         u32 if_count;
1088         u32 if_hndl_list[1];
1089 } __packed;
1090
1091 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1092 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1093 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1094 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1095 #define OPCODE_COMMON_TCP_UPLOAD                56
1096 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1097 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1098 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1099 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1100 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1101 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1102 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1103 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1104 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1105 #define OPCODE_COMMON_WRITE_FLASH               96
1106 #define OPCODE_COMMON_READ_FLASH                97
1107
1108 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1109 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1110 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1111 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1112
1113 #define INI_WR_CMD                      1       /* Initiator write command */
1114 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1115 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1116 #define INI_RD_CMD                      5       /* Initiator requesting to send
1117                                                  * a read command
1118                                                  */
1119 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1120 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1121                                                  * where only the status number
1122                                                  * need to be updated
1123                                                  */
1124 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1125                                                  * to read command
1126                                                  */
1127 #define TGT_SOS_PDU                     10      /* Target:standalone status
1128                                                  * response
1129                                                  */
1130 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1131                                                  *  preparedby
1132                                                  * driver should not be touched
1133                                                  */
1134 /* --- CMD_CHUTE_TYPE --- */
1135 #define CMD_CONNECTION_CHUTE_0          1
1136 #define CMD_CONNECTION_CHUTE_1          2
1137 #define CMD_CONNECTION_CHUTE_2          3
1138
1139 #define EQ_MAJOR_CODE_COMPLETION        0
1140
1141 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1142 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1143
1144 /* --- CONNECTION_UPLOAD_PARAMS --- */
1145 /* These parameters are used to define the type of upload desired.  */
1146 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1147 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1148                                                  * reset
1149                                                  */
1150 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1151                                                  * reset
1152                                                  */
1153 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1154                                                  * sequence number by driver  */
1155
1156 /* Returns the number of items in the field array. */
1157 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1158         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1159
1160 /**
1161  * Different types of iSCSI completions to host driver for both initiator
1162  * and taget mode
1163  * of operation.
1164  */
1165 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1166                                                  * normally
1167                                                  */
1168 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1169                                                  * invalidated internally due
1170                                                  * to Data Digest error
1171                                                  */
1172 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1173                                                  * internally
1174                                                  * due to a received PDU
1175                                                  * size > DSL
1176                                                  */
1177 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1178                                                  * internally due ti received
1179                                                  * PDU sequence size >
1180                                                  * FBL/MBL.
1181                                                  */
1182 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1183                                                  * internally due to a received
1184                                                  * PDU Hdr that has
1185                                                  * AHS */
1186 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1187                                                  * internally due to Hdr Digest
1188                                                  * error
1189                                                  */
1190 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1191                                                  *  internally
1192                                                  * due to a bad opcode in the
1193                                                  * pdu hdr
1194                                                  */
1195 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1196                                                  * internally due to a received
1197                                                  * ITT/TTT that does not belong
1198                                                  * to this Connection
1199                                                  */
1200 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1201                                                  * internally due to received
1202                                                  * ITT/TTT value > Max
1203                                                  * Supported ITTs/TTTs
1204                                                  */
1205 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1206                                                  * internally due to an
1207                                                  * incoming TCP RST
1208                                                  */
1209 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1210                                                  * internally due to timeout on
1211                                                  * tcp segment 12 retransmit
1212                                                  * attempts failed
1213                                                  */
1214 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1215                                                  * internally due to TCP RST
1216                                                  * sent by the Tx side
1217                                                  */
1218 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1219                                                  * internally due to an
1220                                                  * incoming TCP FIN.
1221                                                  */
1222 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1223                                                  * internally due to bad
1224                                                  * unsolicited PDU Unsolicited
1225                                                  * PDUs are PDUs with
1226                                                  * ITT=0xffffffff
1227                                                  */
1228 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1229                                                  * internally due to bad WRB
1230                                                  * index.
1231                                                  */
1232 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1233                                                  * internally due to received
1234                                                  * command has residual
1235                                                  * over run bytes.
1236                                                  */
1237 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1238                                                  * internally due to received
1239                                                  * command has residual under
1240                                                  * run bytes.
1241                                                  */
1242 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1243                                                  * internally due to a received
1244                                                  * PDU has an invalid StatusSN
1245                                                  */
1246 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1247                                                  * internally due to a received
1248                                                  * an R2T with some invalid
1249                                                  * fields in it
1250                                                  */
1251 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1252                                                  * internally due to received
1253                                                  * PDU has an invalid LUN.
1254                                                  */
1255 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1256                                                  * internally due to the
1257                                                  * corresponding ICD not in a
1258                                                  * valid state
1259                                                  */
1260 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1261                                                  *  to received PDU has an
1262                                                  *  invalid ITT.
1263                                                  */
1264 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1265                                                  * to received sequence buffer
1266                                                  * offset is out of order.
1267                                                  */
1268 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1269                                                  * internally due to a
1270                                                  * received PDU has an invalid
1271                                                  * DataSN
1272                                                  */
1273 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1274                                                  * completion notify.
1275                                                  */
1276 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1277                                                  * completion
1278                                                  * with data PDU index.
1279                                                  */
1280 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1281                                                  * completionnotifify.
1282                                                  */
1283 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1284 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1285 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1286                                                  * error notify.
1287                                                  */
1288 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1289                                                  * notification.
1290                                                  */
1291 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1292                                                   * internally due to command
1293                                                   * and data are not on same
1294                                                   * connection.
1295                                                   */
1296 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1297                                                  *  invalidated internally due
1298                                                  *  to DIF error
1299                                                  */
1300 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1301                                                  * internally due to incoming
1302                                                  * TCP SYN
1303                                                  */
1304 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1305                                                  * internally due to an
1306                                                  * incoming Unsolicited PDU
1307                                                  * that has immediate data on
1308                                                  * the cxn
1309                                                  */
1310
1311 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1312 int be_chk_reset_complete(struct beiscsi_hba *phba);
1313
1314 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1315                         bool embedded, u8 sge_cnt);
1316
1317 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1318                         u8 subsystem, u8 opcode, int cmd_len);
1319
1320 #endif /* !BEISCSI_CMDS_H */