drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2015 Avago Technologies
   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@avagotech.com
  12  *
  13  * Avago Technologies
  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         __le32 pa_lo;
  30         __le32 pa_hi;
  31         __le32 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_VER1    0x01
  75 #define MBX_CMD_VER2    0x02
  76
  77 struct be_mcc_compl {
  78         u32 status;             /* dword 0 */
  79         u32 tag0;               /* dword 1 */
  80         u32 tag1;               /* dword 2 */
  81         u32 flags;              /* dword 3 */
  82 };
  83
  84 /********* Mailbox door bell *************/
  85 /**
  86  * Used for driver communication with the FW.
  87  * The software must write this register twice to post any command. First,
  88  * it writes the register with hi=1 and the upper bits of the physical address
  89  * for the MAILBOX structure. Software must poll the ready bit until this
  90  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  91  * bits in the address. It must poll the ready bit until the command is
  92  * complete. Upon completion, the MAILBOX will contain a valid completion
  93  * queue entry.
  94  */
  95 #define MPU_MAILBOX_DB_OFFSET   0x160
  96 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  97 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  98
  99 /********** MPU semphore ******************/
 100 #define MPU_EP_SEMAPHORE_OFFSET 0xac
 101 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
 102 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
 103 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
 104
 105 /********** MCC door bell ************/
 106 #define DB_MCCQ_OFFSET 0x140
 107 #define DB_MCCQ_RING_ID_MASK 0xFFFF             /* bits 0 - 15 */
 108 /* Number of entries posted */
 109 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 110
 111 /* MPU semphore POST stage values */
 112 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
 113
 114 /**
 115  * When the async bit of mcc_compl is set, the last 4 bytes of
 116  * mcc_compl is interpreted as follows:
 117  */
 118 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 119 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 120 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 121 #define ASYNC_EVENT_CODE_ISCSI          0x4
 122
 123 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT  16      /* bits 16 - 23 */
 124 #define ASYNC_TRAILER_EVENT_TYPE_MASK   0xF
 125 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC  0x4
 126 #define ASYNC_EVENT_NEW_ISCSI_CONN      0x5
 127 #define ASYNC_EVENT_NEW_TCP_CONN        0x7
 128
 129 struct be_async_event_trailer {
 130         u32 code;
 131 };
 132
 133 enum {
 134         ASYNC_EVENT_LINK_DOWN = 0x0,
 135         ASYNC_EVENT_LINK_UP = 0x1,
 136         ASYNC_EVENT_LOGICAL = 0x2
 137 };
 138
 139 /**
 140  * When the event code of an async trailer is link-state, the mcc_compl
 141  * must be interpreted as follows
 142  */
 143 struct be_async_event_link_state {
 144         u8 physical_port;
 145         u8 port_link_status;
 146         u8 port_duplex;
 147         u8 port_speed;
 148 #define BEISCSI_PHY_LINK_FAULT_NONE     0x00
 149 #define BEISCSI_PHY_LINK_FAULT_LOCAL    0x01
 150 #define BEISCSI_PHY_LINK_FAULT_REMOTE   0x02
 151         u8 port_fault;
 152         u8 rsvd0[7];
 153         struct be_async_event_trailer trailer;
 154 } __packed;
 155
 156 struct be_mcc_mailbox {
 157         struct be_mcc_wrb wrb;
 158         struct be_mcc_compl compl;
 159 };
 160
 161 /* Type of subsystems supported by FW */
 162 #define CMD_SUBSYSTEM_COMMON    0x1
 163 #define CMD_SUBSYSTEM_ISCSI     0x2
 164 #define CMD_SUBSYSTEM_ETH       0x3
 165 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 166 #define CMD_COMMON_TCP_UPLOAD   0x1
 167
 168 /**
 169  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 170  * These opcodes are unique for each subsystem defined above
 171  */
 172 #define OPCODE_COMMON_CQ_CREATE                         12
 173 #define OPCODE_COMMON_EQ_CREATE                         13
 174 #define OPCODE_COMMON_MCC_CREATE                        21
 175 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 176 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 177 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 178 #define OPCODE_COMMON_GET_FW_VERSION                    35
 179 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 180 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 181 #define OPCODE_COMMON_MCC_DESTROY                       53
 182 #define OPCODE_COMMON_CQ_DESTROY                        54
 183 #define OPCODE_COMMON_EQ_DESTROY                        55
 184 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 185 #define OPCODE_COMMON_FUNCTION_RESET                    61
 186
 187 /**
 188  * LIST of opcodes that are common between Initiator and Target
 189  * used by CMD_SUBSYSTEM_ISCSI
 190  * These opcodes are unique for each subsystem defined above
 191  */
 192 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 193 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 194 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 195 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 196 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 197 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 198 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 199 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 200 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 201 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 202 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 203 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 204 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 205 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 206 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 207 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 208
 209 struct be_cmd_req_hdr {
 210         u8 opcode;              /* dword 0 */
 211         u8 subsystem;           /* dword 0 */
 212         u8 port_number;         /* dword 0 */
 213         u8 domain;              /* dword 0 */
 214         u32 timeout;            /* dword 1 */
 215         u32 request_length;     /* dword 2 */
 216         u8 version;             /* dword 3 */
 217         u8 rsvd0[3];            /* dword 3 */
 218 };
 219
 220 struct be_cmd_resp_hdr {
 221         u32 info;               /* dword 0 */
 222         u32 status;             /* dword 1 */
 223         u32 response_length;    /* dword 2 */
 224         u32 actual_resp_len;    /* dword 3 */
 225 };
 226
 227 struct phys_addr {
 228         u32 lo;
 229         u32 hi;
 230 };
 231
 232 struct virt_addr {
 233         u32 lo;
 234         u32 hi;
 235 };
 236 /**************************
 237  * BE Command definitions *
 238  **************************/
 239
 240 /**
 241  * Pseudo amap definition in which each bit of the actual structure is defined
 242  * as a byte - used to calculate offset/shift/mask of each field
 243  */
 244 struct amap_eq_context {
 245         u8 cidx[13];            /* dword 0 */
 246         u8 rsvd0[3];            /* dword 0 */
 247         u8 epidx[13];           /* dword 0 */
 248         u8 valid;               /* dword 0 */
 249         u8 rsvd1;               /* dword 0 */
 250         u8 size;                /* dword 0 */
 251         u8 pidx[13];            /* dword 1 */
 252         u8 rsvd2[3];            /* dword 1 */
 253         u8 pd[10];              /* dword 1 */
 254         u8 count[3];            /* dword 1 */
 255         u8 solevent;            /* dword 1 */
 256         u8 stalled;             /* dword 1 */
 257         u8 armed;               /* dword 1 */
 258         u8 rsvd3[4];            /* dword 2 */
 259         u8 func[8];             /* dword 2 */
 260         u8 rsvd4;               /* dword 2 */
 261         u8 delaymult[10];       /* dword 2 */
 262         u8 rsvd5[2];            /* dword 2 */
 263         u8 phase[2];            /* dword 2 */
 264         u8 nodelay;             /* dword 2 */
 265         u8 rsvd6[4];            /* dword 2 */
 266         u8 rsvd7[32];           /* dword 3 */
 267 } __packed;
 268
 269 struct be_cmd_req_eq_create {
 270         struct be_cmd_req_hdr hdr;      /* dw[4] */
 271         u16 num_pages;          /* sword */
 272         u16 rsvd0;              /* sword */
 273         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 274         struct phys_addr pages[8];
 275 } __packed;
 276
 277 struct be_cmd_resp_eq_create {
 278         struct be_cmd_resp_hdr resp_hdr;
 279         u16 eq_id;              /* sword */
 280         u16 rsvd0;              /* sword */
 281 } __packed;
 282
 283 struct be_set_eqd {
 284         u32 eq_id;
 285         u32 phase;
 286         u32 delay_multiplier;
 287 } __packed;
 288
 289 struct mgmt_chap_format {
 290         u32 flags;
 291         u8  intr_chap_name[256];
 292         u8  intr_secret[16];
 293         u8  target_chap_name[256];
 294         u8  target_secret[16];
 295         u16 intr_chap_name_length;
 296         u16 intr_secret_length;
 297         u16 target_chap_name_length;
 298         u16 target_secret_length;
 299 } __packed;
 300
 301 struct mgmt_auth_method_format {
 302         u8      auth_method_type;
 303         u8      padding[3];
 304         struct  mgmt_chap_format chap;
 305 } __packed;
 306
 307 struct mgmt_conn_login_options {
 308         u8 flags;
 309         u8 header_digest;
 310         u8 data_digest;
 311         u8 rsvd0;
 312         u32 max_recv_datasegment_len_ini;
 313         u32 max_recv_datasegment_len_tgt;
 314         u32 tcp_mss;
 315         u32 tcp_window_size;
 316         struct  mgmt_auth_method_format auth_data;
 317 } __packed;
 318
 319 struct ip_addr_format {
 320         u16 size_of_structure;
 321         u8 reserved;
 322         u8 ip_type;
 323         u8 addr[16];
 324         u32 rsvd0;
 325 } __packed;
 326
 327 struct mgmt_conn_info {
 328         u32     connection_handle;
 329         u32     connection_status;
 330         u16     src_port;
 331         u16     dest_port;
 332         u16     dest_port_redirected;
 333         u16     cid;
 334         u32     estimated_throughput;
 335         struct  ip_addr_format  src_ipaddr;
 336         struct  ip_addr_format  dest_ipaddr;
 337         struct  ip_addr_format  dest_ipaddr_redirected;
 338         struct  mgmt_conn_login_options negotiated_login_options;
 339 } __packed;
 340
 341 struct mgmt_session_login_options {
 342         u8      flags;
 343         u8      error_recovery_level;
 344         u16     rsvd0;
 345         u32     first_burst_length;
 346         u32     max_burst_length;
 347         u16     max_connections;
 348         u16     max_outstanding_r2t;
 349         u16     default_time2wait;
 350         u16     default_time2retain;
 351 } __packed;
 352
 353 struct mgmt_session_info {
 354         u32     session_handle;
 355         u32     status;
 356         u8      isid[6];
 357         u16     tsih;
 358         u32     session_flags;
 359         u16     conn_count;
 360         u16     pad;
 361         u8      target_name[224];
 362         u8      initiator_iscsiname[224];
 363         struct  mgmt_session_login_options negotiated_login_options;
 364         struct  mgmt_conn_info  conn_list[1];
 365 } __packed;
 366
 367 struct be_cmd_get_session_req {
 368         struct be_cmd_req_hdr hdr;
 369         u32 session_handle;
 370 } __packed;
 371
 372 struct be_cmd_get_session_resp {
 373         struct be_cmd_resp_hdr hdr;
 374         struct mgmt_session_info session_info;
 375 } __packed;
 376
 377 struct mac_addr {
 378         u16 size_of_structure;
 379         u8 addr[ETH_ALEN];
 380 } __packed;
 381
 382 struct be_cmd_get_boot_target_req {
 383         struct be_cmd_req_hdr hdr;
 384 } __packed;
 385
 386 struct be_cmd_get_boot_target_resp {
 387         struct be_cmd_resp_hdr hdr;
 388         u32  boot_session_count;
 389         int  boot_session_handle;
 390 };
 391
 392 struct be_cmd_reopen_session_req {
 393         struct be_cmd_req_hdr hdr;
 394 #define BE_REOPEN_ALL_SESSIONS  0x00
 395 #define BE_REOPEN_BOOT_SESSIONS 0x01
 396 #define BE_REOPEN_A_SESSION     0x02
 397         u16 reopen_type;
 398         u16 rsvd;
 399         u32 session_handle;
 400 } __packed;
 401
 402 struct be_cmd_reopen_session_resp {
 403         struct be_cmd_resp_hdr hdr;
 404         u32 rsvd;
 405         u32 session_handle;
 406 } __packed;
 407
 408
 409 struct be_cmd_mac_query_req {
 410         struct be_cmd_req_hdr hdr;
 411         u8 type;
 412         u8 permanent;
 413         u16 if_id;
 414 } __packed;
 415
 416 struct be_cmd_get_mac_resp {
 417         struct be_cmd_resp_hdr hdr;
 418         struct mac_addr mac;
 419 };
 420
 421 struct be_ip_addr_subnet_format {
 422         u16 size_of_structure;
 423         u8 ip_type;
 424         u8 ipv6_prefix_length;
 425         u8 addr[16];
 426         u8 subnet_mask[16];
 427         u32 rsvd0;
 428 } __packed;
 429
 430 struct be_cmd_get_if_info_req {
 431         struct be_cmd_req_hdr hdr;
 432         u32 interface_hndl;
 433         u32 ip_type;
 434 } __packed;
 435
 436 struct be_cmd_get_if_info_resp {
 437         struct be_cmd_req_hdr hdr;
 438         u32 interface_hndl;
 439         u32 vlan_priority;
 440         u32 ip_addr_count;
 441         u32 dhcp_state;
 442         struct be_ip_addr_subnet_format ip_addr;
 443 } __packed;
 444
 445 struct be_ip_addr_record {
 446         u32 action;
 447         u32 interface_hndl;
 448         struct be_ip_addr_subnet_format ip_addr;
 449         u32 status;
 450 } __packed;
 451
 452 struct be_ip_addr_record_params {
 453         u32 record_entry_count;
 454         struct be_ip_addr_record ip_record;
 455 } __packed;
 456
 457 struct be_cmd_set_ip_addr_req {
 458         struct be_cmd_req_hdr hdr;
 459         struct be_ip_addr_record_params ip_params;
 460 } __packed;
 461
 462
 463 struct be_cmd_set_dhcp_req {
 464         struct be_cmd_req_hdr hdr;
 465         u32 interface_hndl;
 466         u32 ip_type;
 467         u32 flags;
 468         u32 retry_count;
 469 } __packed;
 470
 471 struct be_cmd_rel_dhcp_req {
 472         struct be_cmd_req_hdr hdr;
 473         u32 interface_hndl;
 474         u32 ip_type;
 475 } __packed;
 476
 477 struct be_cmd_set_def_gateway_req {
 478         struct be_cmd_req_hdr hdr;
 479         u32 action;
 480         struct ip_addr_format ip_addr;
 481 } __packed;
 482
 483 struct be_cmd_get_def_gateway_req {
 484         struct be_cmd_req_hdr hdr;
 485         u32 ip_type;
 486 } __packed;
 487
 488 struct be_cmd_get_def_gateway_resp {
 489         struct be_cmd_req_hdr hdr;
 490         struct ip_addr_format ip_addr;
 491 } __packed;
 492
 493 #define BEISCSI_VLAN_DISABLE    0xFFFF
 494 struct be_cmd_set_vlan_req {
 495         struct be_cmd_req_hdr hdr;
 496         u32 interface_hndl;
 497         u32 vlan_priority;
 498 } __packed;
 499 /******************** Create CQ ***************************/
 500 /**
 501  * Pseudo amap definition in which each bit of the actual structure is defined
 502  * as a byte - used to calculate offset/shift/mask of each field
 503  */
 504 struct amap_cq_context {
 505         u8 cidx[11];            /* dword 0 */
 506         u8 rsvd0;               /* dword 0 */
 507         u8 coalescwm[2];        /* dword 0 */
 508         u8 nodelay;             /* dword 0 */
 509         u8 epidx[11];           /* dword 0 */
 510         u8 rsvd1;               /* dword 0 */
 511         u8 count[2];            /* dword 0 */
 512         u8 valid;               /* dword 0 */
 513         u8 solevent;            /* dword 0 */
 514         u8 eventable;           /* dword 0 */
 515         u8 pidx[11];            /* dword 1 */
 516         u8 rsvd2;               /* dword 1 */
 517         u8 pd[10];              /* dword 1 */
 518         u8 eqid[8];             /* dword 1 */
 519         u8 stalled;             /* dword 1 */
 520         u8 armed;               /* dword 1 */
 521         u8 rsvd3[4];            /* dword 2 */
 522         u8 func[8];             /* dword 2 */
 523         u8 rsvd4[20];           /* dword 2 */
 524         u8 rsvd5[32];           /* dword 3 */
 525 } __packed;
 526
 527 struct amap_cq_context_v2 {
 528         u8 rsvd0[12];   /* dword 0 */
 529         u8 coalescwm[2];    /* dword 0 */
 530         u8 nodelay;     /* dword 0 */
 531         u8 rsvd1[12];   /* dword 0 */
 532         u8 count[2];    /* dword 0 */
 533         u8 valid;       /* dword 0 */
 534         u8 rsvd2;       /* dword 0 */
 535         u8 eventable;   /* dword 0 */
 536         u8 eqid[16];    /* dword 1 */
 537         u8 rsvd3[15];   /* dword 1 */
 538         u8 armed;       /* dword 1 */
 539         u8 cqecount[16];/* dword 2 */
 540         u8 rsvd4[16];   /* dword 2 */
 541         u8 rsvd5[32];   /* dword 3 */
 542 };
 543
 544 struct be_cmd_req_cq_create {
 545         struct be_cmd_req_hdr hdr;
 546         u16 num_pages;
 547         u8 page_size;
 548         u8 rsvd0;
 549         u8 context[sizeof(struct amap_cq_context) / 8];
 550         struct phys_addr pages[4];
 551 } __packed;
 552
 553 struct be_cmd_resp_cq_create {
 554         struct be_cmd_resp_hdr hdr;
 555         u16 cq_id;
 556         u16 rsvd0;
 557 } __packed;
 558
 559 /******************** Create MCCQ ***************************/
 560 /**
 561  * Pseudo amap definition in which each bit of the actual structure is defined
 562  * as a byte - used to calculate offset/shift/mask of each field
 563  */
 564 struct amap_mcc_context {
 565         u8 con_index[14];
 566         u8 rsvd0[2];
 567         u8 ring_size[4];
 568         u8 fetch_wrb;
 569         u8 fetch_r2t;
 570         u8 cq_id[10];
 571         u8 prod_index[14];
 572         u8 fid[8];
 573         u8 pdid[9];
 574         u8 valid;
 575         u8 rsvd1[32];
 576         u8 rsvd2[32];
 577 } __packed;
 578
 579 struct be_cmd_req_mcc_create {
 580         struct be_cmd_req_hdr hdr;
 581         u16 num_pages;
 582         u16 rsvd0;
 583         u8 context[sizeof(struct amap_mcc_context) / 8];
 584         struct phys_addr pages[8];
 585 } __packed;
 586
 587 struct be_cmd_resp_mcc_create {
 588         struct be_cmd_resp_hdr hdr;
 589         u16 id;
 590         u16 rsvd0;
 591 } __packed;
 592
 593 /******************** Q Destroy  ***************************/
 594 /* Type of Queue to be destroyed */
 595 enum {
 596         QTYPE_EQ = 1,
 597         QTYPE_CQ,
 598         QTYPE_MCCQ,
 599         QTYPE_WRBQ,
 600         QTYPE_DPDUQ,
 601         QTYPE_SGL
 602 };
 603
 604 struct be_cmd_req_q_destroy {
 605         struct be_cmd_req_hdr hdr;
 606         u16 id;
 607         u16 bypass_flush;       /* valid only for rx q destroy */
 608 } __packed;
 609
 610 struct macaddr {
 611         u8 byte[ETH_ALEN];
 612 };
 613
 614 struct be_cmd_req_mcast_mac_config {
 615         struct be_cmd_req_hdr hdr;
 616         u16 num_mac;
 617         u8 promiscuous;
 618         u8 interface_id;
 619         struct macaddr mac[32];
 620 } __packed;
 621
 622 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 623 {
 624         return wrb->payload.embedded_payload;
 625 }
 626
 627 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 628 {
 629         return &wrb->payload.sgl[0];
 630 }
 631
 632 /******************** Modify EQ Delay *******************/
 633 struct be_cmd_req_modify_eq_delay {
 634         struct be_cmd_req_hdr hdr;
 635         __le32 num_eq;
 636         struct {
 637                 __le32 eq_id;
 638                 __le32 phase;
 639                 __le32 delay_multiplier;
 640         } delay[MAX_CPUS];
 641 } __packed;
 642
 643 /******************** Get MAC ADDR *******************/
 644
 645 #define ETH_ALEN        6
 646
 647 struct be_cmd_get_nic_conf_req {
 648         struct be_cmd_req_hdr hdr;
 649         u32 nic_port_count;
 650         u32 speed;
 651         u32 max_speed;
 652         u32 link_state;
 653         u32 max_frame_size;
 654         u16 size_of_structure;
 655         u8 mac_address[ETH_ALEN];
 656         u32 rsvd[23];
 657 };
 658
 659 struct be_cmd_get_nic_conf_resp {
 660         struct be_cmd_resp_hdr hdr;
 661         u32 nic_port_count;
 662         u32 speed;
 663         u32 max_speed;
 664         u32 link_state;
 665         u32 max_frame_size;
 666         u16 size_of_structure;
 667         u8 mac_address[6];
 668         u32 rsvd[23];
 669 };
 670
 671 #define BEISCSI_ALIAS_LEN 32
 672
 673 struct be_cmd_hba_name {
 674         struct be_cmd_req_hdr hdr;
 675         u16 flags;
 676         u16 rsvd0;
 677         u8 initiator_name[ISCSI_NAME_LEN];
 678         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 679 } __packed;
 680
 681 struct be_cmd_ntwk_link_status_req {
 682         struct be_cmd_req_hdr hdr;
 683         u32 rsvd0;
 684 } __packed;
 685
 686 /*** Port Speed Values ***/
 687 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
 688 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 689 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 690 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 691 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 692 struct be_cmd_ntwk_link_status_resp {
 693         struct be_cmd_resp_hdr hdr;
 694         u8 phys_port;
 695         u8 mac_duplex;
 696         u8 mac_speed;
 697         u8 mac_fault;
 698         u8 mgmt_mac_duplex;
 699         u8 mgmt_mac_speed;
 700         u16 qos_link_speed;
 701         u32 logical_link_speed;
 702 } __packed;
 703
 704 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 705                           struct be_queue_info *eq, int eq_delay);
 706
 707 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 708                           struct be_queue_info *cq, struct be_queue_info *eq,
 709                           bool sol_evts, bool no_delay,
 710                           int num_cqe_dma_coalesce);
 711
 712 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 713                           int type);
 714 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 715                         struct be_queue_info *mccq,
 716                         struct be_queue_info *cq);
 717
 718 int be_poll_mcc(struct be_ctrl_info *ctrl);
 719 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 720                                       struct beiscsi_hba *phba);
 721 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 722 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
 723
 724 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 725
 726 int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
 727                             int num);
 728 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
 729                         uint32_t tag, struct be_mcc_wrb **wrb,
 730                         struct be_dma_mem *mbx_cmd_mem);
 731 /*ISCSI Functuions */
 732 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 733 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
 734
 735 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 736 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 737 int be_mcc_notify_wait(struct beiscsi_hba *phba);
 738 void be_mcc_notify(struct beiscsi_hba *phba);
 739 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 740 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 741                 struct be_async_event_link_state *evt);
 742 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 743                                     struct be_mcc_compl *compl);
 744
 745 int be_mbox_notify(struct be_ctrl_info *ctrl);
 746
 747 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 748                                     struct be_queue_info *cq,
 749                                     struct be_queue_info *dq, int length,
 750                                     int entry_size, uint8_t is_header,
 751                                     uint8_t ulp_num);
 752
 753 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 754                                     struct be_dma_mem *q_mem);
 755
 756 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 757
 758 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 759                                 struct be_dma_mem *q_mem, u32 page_offset,
 760                                 u32 num_pages);
 761
 762 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 763
 764 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 765                        struct be_queue_info *wrbq,
 766                        struct hwi_wrb_context *pwrb_context,
 767                        uint8_t ulp_num);
 768
 769 bool is_link_state_evt(u32 trailer);
 770
 771 /* Configuration Functions */
 772 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 773
 774 struct be_default_pdu_context {
 775         u32 dw[4];
 776 } __packed;
 777
 778 struct amap_be_default_pdu_context {
 779         u8 dbuf_cindex[13];     /* dword 0 */
 780         u8 rsvd0[3];            /* dword 0 */
 781         u8 ring_size[4];        /* dword 0 */
 782         u8 ring_state[4];       /* dword 0 */
 783         u8 rsvd1[8];            /* dword 0 */
 784         u8 dbuf_pindex[13];     /* dword 1 */
 785         u8 rsvd2;               /* dword 1 */
 786         u8 pci_func_id[8];      /* dword 1 */
 787         u8 rx_pdid[9];          /* dword 1 */
 788         u8 rx_pdid_valid;       /* dword 1 */
 789         u8 default_buffer_size[16];     /* dword 2 */
 790         u8 cq_id_recv[10];      /* dword 2 */
 791         u8 rx_pdid_not_valid;   /* dword 2 */
 792         u8 rsvd3[5];            /* dword 2 */
 793         u8 rsvd4[32];           /* dword 3 */
 794 } __packed;
 795
 796 struct amap_default_pdu_context_ext {
 797         u8 rsvd0[16];   /* dword 0 */
 798         u8 ring_size[4];    /* dword 0 */
 799         u8 rsvd1[12];   /* dword 0 */
 800         u8 rsvd2[22];   /* dword 1 */
 801         u8 rx_pdid[9];  /* dword 1 */
 802         u8 rx_pdid_valid;   /* dword 1 */
 803         u8 default_buffer_size[16]; /* dword 2 */
 804         u8 cq_id_recv[16];  /* dword 2 */
 805         u8 rsvd3[32];   /* dword 3 */
 806 } __packed;
 807
 808 struct be_defq_create_req {
 809         struct be_cmd_req_hdr hdr;
 810         u16 num_pages;
 811         u8 ulp_num;
 812 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 813 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 814         u8 dua_feature;
 815         struct be_default_pdu_context context;
 816         struct phys_addr pages[8];
 817 } __packed;
 818
 819 struct be_defq_create_resp {
 820         struct be_cmd_req_hdr hdr;
 821         u16 id;
 822         u8 rsvd0;
 823         u8 ulp_num;
 824         u32 doorbell_offset;
 825         u16 register_set;
 826         u16 doorbell_format;
 827 } __packed;
 828
 829 struct be_post_template_pages_req {
 830         struct be_cmd_req_hdr hdr;
 831         u16 num_pages;
 832 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 833         u16 type;
 834         struct phys_addr scratch_pa;
 835         struct virt_addr scratch_va;
 836         struct virt_addr pages_va;
 837         struct phys_addr pages[16];
 838 } __packed;
 839
 840 struct be_remove_template_pages_req {
 841         struct be_cmd_req_hdr hdr;
 842         u16 type;
 843         u16 rsvd0;
 844 } __packed;
 845
 846 struct be_post_sgl_pages_req {
 847         struct be_cmd_req_hdr hdr;
 848         u16 num_pages;
 849         u16 page_offset;
 850         u32 rsvd0;
 851         struct phys_addr pages[26];
 852         u32 rsvd1;
 853 } __packed;
 854
 855 struct be_wrbq_create_req {
 856         struct be_cmd_req_hdr hdr;
 857         u16 num_pages;
 858         u8 ulp_num;
 859         u8 dua_feature;
 860         struct phys_addr pages[8];
 861 } __packed;
 862
 863 struct be_wrbq_create_resp {
 864         struct be_cmd_resp_hdr resp_hdr;
 865         u16 cid;
 866         u8 rsvd0;
 867         u8 ulp_num;
 868         u32 doorbell_offset;
 869         u16 register_set;
 870         u16 doorbell_format;
 871 } __packed;
 872
 873 #define SOL_CID_MASK            0x0000FFC0
 874 #define SOL_CODE_MASK           0x0000003F
 875 #define SOL_WRB_INDEX_MASK      0x00FF0000
 876 #define SOL_CMD_WND_MASK        0xFF000000
 877 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 878 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 879 #define SOL_HW_STS_MASK         0x000000FF
 880 #define SOL_STS_MASK            0x0000FF00
 881 #define SOL_RESP_MASK           0x00FF0000
 882 #define SOL_FLAGS_MASK          0x7F000000
 883 #define SOL_S_MASK              0x80000000
 884
 885 struct sol_cqe {
 886         u32 dw[4];
 887 };
 888
 889 struct amap_sol_cqe {
 890         u8 hw_sts[8];           /* dword 0 */
 891         u8 i_sts[8];            /* dword 0 */
 892         u8 i_resp[8];           /* dword 0 */
 893         u8 i_flags[7];          /* dword 0 */
 894         u8 s;                   /* dword 0 */
 895         u8 i_exp_cmd_sn[32];    /* dword 1 */
 896         u8 code[6];             /* dword 2 */
 897         u8 cid[10];             /* dword 2 */
 898         u8 wrb_index[8];        /* dword 2 */
 899         u8 i_cmd_wnd[8];        /* dword 2 */
 900         u8 i_res_cnt[31];       /* dword 3 */
 901         u8 valid;               /* dword 3 */
 902 } __packed;
 903
 904 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 905 struct amap_sol_cqe_ring {
 906         u8 hw_sts[8];           /* dword 0 */
 907         u8 i_sts[8];            /* dword 0 */
 908         u8 i_resp[8];           /* dword 0 */
 909         u8 i_flags[7];          /* dword 0 */
 910         u8 s;                   /* dword 0 */
 911         u8 i_exp_cmd_sn[32];    /* dword 1 */
 912         u8 code[6];             /* dword 2 */
 913         u8 icd_index[12];       /* dword 2 */
 914         u8 rsvd[6];             /* dword 2 */
 915         u8 i_cmd_wnd[8];        /* dword 2 */
 916         u8 i_res_cnt[31];       /* dword 3 */
 917         u8 valid;               /* dword 3 */
 918 } __packed;
 919
 920 struct amap_sol_cqe_v2 {
 921         u8 hw_sts[8];   /* dword 0 */
 922         u8 i_sts[8];    /* dword 0 */
 923         u8 wrb_index[16];   /* dword 0 */
 924         u8 i_exp_cmd_sn[32];    /* dword 1 */
 925         u8 code[6]; /* dword 2 */
 926         u8 cmd_cmpl;    /* dword 2 */
 927         u8 rsvd0;   /* dword 2 */
 928         u8 i_cmd_wnd[8];    /* dword 2 */
 929         u8 cid[13]; /* dword 2 */
 930         u8 u;   /* dword 2 */
 931         u8 o;   /* dword 2 */
 932         u8 s;   /* dword 2 */
 933         u8 i_res_cnt[31];   /* dword 3 */
 934         u8 valid;   /* dword 3 */
 935 } __packed;
 936
 937 struct common_sol_cqe {
 938         u32 exp_cmdsn;
 939         u32 res_cnt;
 940         u16 wrb_index;
 941         u16 cid;
 942         u8 hw_sts;
 943         u8 cmd_wnd;
 944         u8 res_flag; /* the s feild of structure */
 945         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 946         u8 i_flags; /* for skh or the u and o feilds */
 947         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 948 };
 949
 950 /*** iSCSI ack/driver message completions ***/
 951 struct amap_it_dmsg_cqe {
 952         u8 ack_num[32]; /* DWORD 0 */
 953         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 954         u8 code[6]; /* DWORD 2 */
 955         u8 cid[10]; /* DWORD 2 */
 956         u8 wrb_idx[8];  /* DWORD 2 */
 957         u8 rsvd0[8];    /* DWORD 2*/
 958         u8 rsvd1[31];   /* DWORD 3*/
 959         u8 valid;   /* DWORD 3 */
 960 } __packed;
 961
 962 struct amap_it_dmsg_cqe_v2 {
 963         u8 ack_num[32]; /* DWORD 0 */
 964         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 965         u8 code[6]; /* DWORD 2 */
 966         u8 rsvd0[10];   /* DWORD 2 */
 967         u8 wrb_idx[16]; /* DWORD 2 */
 968         u8 rsvd1[16];   /* DWORD 3 */
 969         u8 cid[13]; /* DWORD 3 */
 970         u8 rsvd2[2];    /* DWORD 3 */
 971         u8 valid;   /* DWORD 3 */
 972 } __packed;
 973
 974
 975 /**
 976  * Post WRB Queue Doorbell Register used by the host Storage
 977  * stack to notify the
 978  * controller of a posted Work Request Block
 979  */
 980 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
 981 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 982
 983 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 984 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 985
 986 struct fragnum_bits_for_sgl_cra_in {
 987         struct be_cmd_req_hdr hdr;
 988         u32 num_bits;
 989 } __packed;
 990
 991 struct iscsi_cleanup_req {
 992         struct be_cmd_req_hdr hdr;
 993         u16 chute;
 994         u8 hdr_ring_id;
 995         u8 data_ring_id;
 996
 997 } __packed;
 998
 999 struct eq_delay {
1000         u32 eq_id;
1001         u32 phase;
1002         u32 delay_multiplier;
1003 } __packed;
1004
1005 struct be_eq_delay_params_in {
1006         struct be_cmd_req_hdr hdr;
1007         u32 num_eq;
1008         struct eq_delay delay[8];
1009 } __packed;
1010
1011 struct tcp_connect_and_offload_in {
1012         struct be_cmd_req_hdr hdr;
1013         struct ip_addr_format ip_address;
1014         u16 tcp_port;
1015         u16 cid;
1016         u16 cq_id;
1017         u16 defq_id;
1018         struct phys_addr dataout_template_pa;
1019         u16 hdr_ring_id;
1020         u16 data_ring_id;
1021         u8 do_offload;
1022         u8 rsvd0[3];
1023 } __packed;
1024
1025 struct tcp_connect_and_offload_in_v1 {
1026         struct be_cmd_req_hdr hdr;
1027         struct ip_addr_format ip_address;
1028         u16 tcp_port;
1029         u16 cid;
1030         u16 cq_id;
1031         u16 defq_id;
1032         struct phys_addr dataout_template_pa;
1033         u16 hdr_ring_id;
1034         u16 data_ring_id;
1035         u8 do_offload;
1036         u8 ifd_state;
1037         u8 rsvd0[2];
1038         u16 tcp_window_size;
1039         u8 tcp_window_scale_count;
1040         u8 rsvd1;
1041         u32 tcp_mss:24;
1042         u8 rsvd2;
1043 } __packed;
1044
1045 struct tcp_connect_and_offload_out {
1046         struct be_cmd_resp_hdr hdr;
1047         u32 connection_handle;
1048         u16 cid;
1049         u16 rsvd0;
1050
1051 } __packed;
1052
1053 struct be_mcc_wrb_context {
1054         struct MCC_WRB *wrb;
1055         int *users_final_status;
1056 } __packed;
1057
1058 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1059 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1060 #define DB_DEF_PDU_REARM_SHIFT          14
1061 #define DB_DEF_PDU_EVENT_SHIFT          15
1062 #define DB_DEF_PDU_CQPROC_SHIFT         16
1063
1064 struct dmsg_cqe {
1065         u32 dw[4];
1066 } __packed;
1067
1068 struct tcp_upload_params_in {
1069         struct be_cmd_req_hdr hdr;
1070         u16 id;
1071         u16 upload_type;
1072         u32 reset_seq;
1073 } __packed;
1074
1075 struct tcp_upload_params_out {
1076         u32 dw[32];
1077 } __packed;
1078
1079 union tcp_upload_params {
1080         struct tcp_upload_params_in request;
1081         struct tcp_upload_params_out response;
1082 } __packed;
1083
1084 struct be_ulp_fw_cfg {
1085 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1086         u32 ulp_mode;
1087         u32 etx_base;
1088         u32 etx_count;
1089         u32 sq_base;
1090         u32 sq_count;
1091         u32 rq_base;
1092         u32 rq_count;
1093         u32 dq_base;
1094         u32 dq_count;
1095         u32 lro_base;
1096         u32 lro_count;
1097         u32 icd_base;
1098         u32 icd_count;
1099 };
1100
1101 struct be_ulp_chain_icd {
1102         u32 chain_base;
1103         u32 chain_count;
1104 };
1105
1106 struct be_fw_cfg {
1107         struct be_cmd_req_hdr hdr;
1108         u32 be_config_number;
1109         u32 asic_revision;
1110         u32 phys_port;
1111 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1112 #define BEISCSI_FUNC_DUA_MODE   0x800
1113         u32 function_mode;
1114         struct be_ulp_fw_cfg ulp[2];
1115         u32 function_caps;
1116         u32 cqid_base;
1117         u32 cqid_count;
1118         u32 eqid_base;
1119         u32 eqid_count;
1120         struct be_ulp_chain_icd chain_icd[2];
1121 } __packed;
1122
1123 struct be_cmd_get_all_if_id_req {
1124         struct be_cmd_req_hdr hdr;
1125         u32 if_count;
1126         u32 if_hndl_list[1];
1127 } __packed;
1128
1129 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1130 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1131 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1132 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1133 #define OPCODE_COMMON_TCP_UPLOAD                56
1134 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1135 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1136 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1137 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1138 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1139 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1140 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1141 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1142 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1143 #define OPCODE_COMMON_WRITE_FLASH               96
1144 #define OPCODE_COMMON_READ_FLASH                97
1145
1146 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1147 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1148 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1149 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1150
1151 #define INI_WR_CMD                      1       /* Initiator write command */
1152 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1153 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1154 #define INI_RD_CMD                      5       /* Initiator requesting to send
1155                                                  * a read command
1156                                                  */
1157 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1158 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1159                                                  * where only the status number
1160                                                  * need to be updated
1161                                                  */
1162 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1163                                                  * to read command
1164                                                  */
1165 #define TGT_SOS_PDU                     10      /* Target:standalone status
1166                                                  * response
1167                                                  */
1168 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1169                                                  *  preparedby
1170                                                  * driver should not be touched
1171                                                  */
1172 /* --- CMD_CHUTE_TYPE --- */
1173 #define CMD_CONNECTION_CHUTE_0          1
1174 #define CMD_CONNECTION_CHUTE_1          2
1175 #define CMD_CONNECTION_CHUTE_2          3
1176
1177 #define EQ_MAJOR_CODE_COMPLETION        0
1178
1179 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1180 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1181
1182 /* --- CONNECTION_UPLOAD_PARAMS --- */
1183 /* These parameters are used to define the type of upload desired.  */
1184 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1185 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1186                                                  * reset
1187                                                  */
1188 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1189                                                  * reset
1190                                                  */
1191 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1192                                                  * sequence number by driver  */
1193
1194 /* Returns the number of items in the field array. */
1195 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1196         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1197
1198 /**
1199  * Different types of iSCSI completions to host driver for both initiator
1200  * and taget mode
1201  * of operation.
1202  */
1203 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1204                                                  * normally
1205                                                  */
1206 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1207                                                  * invalidated internally due
1208                                                  * to Data Digest error
1209                                                  */
1210 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1211                                                  * internally
1212                                                  * due to a received PDU
1213                                                  * size > DSL
1214                                                  */
1215 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1216                                                  * internally due ti received
1217                                                  * PDU sequence size >
1218                                                  * FBL/MBL.
1219                                                  */
1220 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1221                                                  * internally due to a received
1222                                                  * PDU Hdr that has
1223                                                  * AHS */
1224 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1225                                                  * internally due to Hdr Digest
1226                                                  * error
1227                                                  */
1228 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1229                                                  *  internally
1230                                                  * due to a bad opcode in the
1231                                                  * pdu hdr
1232                                                  */
1233 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1234                                                  * internally due to a received
1235                                                  * ITT/TTT that does not belong
1236                                                  * to this Connection
1237                                                  */
1238 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1239                                                  * internally due to received
1240                                                  * ITT/TTT value > Max
1241                                                  * Supported ITTs/TTTs
1242                                                  */
1243 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1244                                                  * internally due to an
1245                                                  * incoming TCP RST
1246                                                  */
1247 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1248                                                  * internally due to timeout on
1249                                                  * tcp segment 12 retransmit
1250                                                  * attempts failed
1251                                                  */
1252 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1253                                                  * internally due to TCP RST
1254                                                  * sent by the Tx side
1255                                                  */
1256 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1257                                                  * internally due to an
1258                                                  * incoming TCP FIN.
1259                                                  */
1260 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1261                                                  * internally due to bad
1262                                                  * unsolicited PDU Unsolicited
1263                                                  * PDUs are PDUs with
1264                                                  * ITT=0xffffffff
1265                                                  */
1266 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1267                                                  * internally due to bad WRB
1268                                                  * index.
1269                                                  */
1270 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1271                                                  * internally due to received
1272                                                  * command has residual
1273                                                  * over run bytes.
1274                                                  */
1275 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1276                                                  * internally due to received
1277                                                  * command has residual under
1278                                                  * run bytes.
1279                                                  */
1280 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1281                                                  * internally due to a received
1282                                                  * PDU has an invalid StatusSN
1283                                                  */
1284 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1285                                                  * internally due to a received
1286                                                  * an R2T with some invalid
1287                                                  * fields in it
1288                                                  */
1289 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1290                                                  * internally due to received
1291                                                  * PDU has an invalid LUN.
1292                                                  */
1293 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1294                                                  * internally due to the
1295                                                  * corresponding ICD not in a
1296                                                  * valid state
1297                                                  */
1298 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1299                                                  *  to received PDU has an
1300                                                  *  invalid ITT.
1301                                                  */
1302 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1303                                                  * to received sequence buffer
1304                                                  * offset is out of order.
1305                                                  */
1306 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1307                                                  * internally due to a
1308                                                  * received PDU has an invalid
1309                                                  * DataSN
1310                                                  */
1311 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1312                                                  * completion notify.
1313                                                  */
1314 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1315                                                  * completion
1316                                                  * with data PDU index.
1317                                                  */
1318 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1319                                                  * completionnotifify.
1320                                                  */
1321 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1322 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1323 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1324                                                  * error notify.
1325                                                  */
1326 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1327                                                  * notification.
1328                                                  */
1329 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1330                                                   * internally due to command
1331                                                   * and data are not on same
1332                                                   * connection.
1333                                                   */
1334 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1335                                                  *  invalidated internally due
1336                                                  *  to DIF error
1337                                                  */
1338 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1339                                                  * internally due to incoming
1340                                                  * TCP SYN
1341                                                  */
1342 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1343                                                  * internally due to an
1344                                                  * incoming Unsolicited PDU
1345                                                  * that has immediate data on
1346                                                  * the cxn
1347                                                  */
1348
1349 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1350 int be_chk_reset_complete(struct beiscsi_hba *phba);
1351
1352 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1353                         bool embedded, u8 sge_cnt);
1354
1355 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1356                         u8 subsystem, u8 opcode, int cmd_len);
1357
1358 void be2iscsi_fail_session(struct iscsi_cls_session *cls_session);
1359 #endif /* !BEISCSI_CMDS_H */