drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2015 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@avagotech.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         __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 31 - 16 */
  65 #define CQE_STATUS_ADDL_MASK    0xFF00
  66 #define CQE_STATUS_ADDL_SHIFT   8
  67 #define CQE_STATUS_MASK         0xFF
  68 #define CQE_STATUS_WRB_MASK     0xFF0000
  69 #define CQE_STATUS_WRB_SHIFT    16
  70
  71 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  72 #define BEISCSI_FW_MBX_TIMEOUT  100
  73
  74 /* MBOX Command VER */
  75 #define MBX_CMD_VER1    0x01
  76 #define MBX_CMD_VER2    0x02
  77
  78 struct be_mcc_compl {
  79         u32 status;             /* dword 0 */
  80         u32 tag0;               /* dword 1 */
  81         u32 tag1;               /* dword 2 */
  82         u32 flags;              /* dword 3 */
  83 };
  84
  85 /********* Mailbox door bell *************/
  86 /**
  87  * Used for driver communication with the FW.
  88  * The software must write this register twice to post any command. First,
  89  * it writes the register with hi=1 and the upper bits of the physical address
  90  * for the MAILBOX structure. Software must poll the ready bit until this
  91  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  92  * bits in the address. It must poll the ready bit until the command is
  93  * complete. Upon completion, the MAILBOX will contain a valid completion
  94  * queue entry.
  95  */
  96 #define MPU_MAILBOX_DB_OFFSET   0x160
  97 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  98 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  99
 100 /********** MPU semphore ******************/
 101 #define MPU_EP_SEMAPHORE_OFFSET 0xac
 102 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
 103 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
 104 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
 105
 106 /********** MCC door bell ************/
 107 #define DB_MCCQ_OFFSET 0x140
 108 #define DB_MCCQ_RING_ID_MASK 0xFFFF             /* bits 0 - 15 */
 109 /* Number of entries posted */
 110 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 111
 112 /* MPU semphore POST stage values */
 113 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
 114
 115 /**
 116  * When the async bit of mcc_compl is set, the last 4 bytes of
 117  * mcc_compl is interpreted as follows:
 118  */
 119 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 120 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 121 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 122 #define ASYNC_EVENT_CODE_ISCSI          0x4
 123 #define ASYNC_EVENT_CODE_SLI            0x11
 124
 125 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT  16      /* bits 16 - 23 */
 126 #define ASYNC_TRAILER_EVENT_TYPE_MASK   0xFF
 127
 128 /* iSCSI events */
 129 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC  0x4
 130 #define ASYNC_EVENT_NEW_ISCSI_CONN      0x5
 131 #define ASYNC_EVENT_NEW_TCP_CONN        0x7
 132
 133 /* SLI events */
 134 #define ASYNC_SLI_EVENT_TYPE_MISCONFIGURED      0x9
 135 #define ASYNC_SLI_LINK_EFFECT_VALID(le)         (le & 0x80)
 136 #define ASYNC_SLI_LINK_EFFECT_SEV(le)           ((le >> 1)  & 0x03)
 137 #define ASYNC_SLI_LINK_EFFECT_STATE(le)         (le & 0x01)
 138
 139 struct be_async_event_trailer {
 140         u32 code;
 141 };
 142
 143 enum {
 144         ASYNC_EVENT_LINK_DOWN = 0x0,
 145         ASYNC_EVENT_LINK_UP = 0x1,
 146 };
 147
 148 /**
 149  * When the event code of an async trailer is link-state, the mcc_compl
 150  * must be interpreted as follows
 151  */
 152 struct be_async_event_link_state {
 153         u8 physical_port;
 154         u8 port_link_status;
 155 /**
 156  * ASYNC_EVENT_LINK_DOWN                0x0
 157  * ASYNC_EVENT_LINK_UP                  0x1
 158  * ASYNC_EVENT_LINK_LOGICAL_DOWN        0x2
 159  * ASYNC_EVENT_LINK_LOGICAL_UP          0x3
 160  */
 161 #define BE_ASYNC_LINK_UP_MASK           0x01
 162         u8 port_duplex;
 163         u8 port_speed;
 164 /* BE2ISCSI_LINK_SPEED_ZERO     0x00 - no link */
 165 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 166 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 167 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 168 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 169 #define BE2ISCSI_LINK_SPEED_25GBPS      0x06
 170 #define BE2ISCSI_LINK_SPEED_40GBPS      0x07
 171         u8 port_fault;
 172         u8 event_reason;
 173         u16 qos_link_speed;
 174         u32 event_tag;
 175         struct be_async_event_trailer trailer;
 176 } __packed;
 177
 178 /**
 179  * When async-trailer is SLI event, mcc_compl is interpreted as
 180  */
 181 struct be_async_event_sli {
 182         u32 event_data1;
 183         u32 event_data2;
 184         u32 reserved;
 185         u32 trailer;
 186 } __packed;
 187
 188 struct be_mcc_mailbox {
 189         struct be_mcc_wrb wrb;
 190         struct be_mcc_compl compl;
 191 };
 192
 193 /* Type of subsystems supported by FW */
 194 #define CMD_SUBSYSTEM_COMMON    0x1
 195 #define CMD_SUBSYSTEM_ISCSI     0x2
 196 #define CMD_SUBSYSTEM_ETH       0x3
 197 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 198 #define CMD_COMMON_TCP_UPLOAD   0x1
 199
 200 /**
 201  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 202  * These opcodes are unique for each subsystem defined above
 203  */
 204 #define OPCODE_COMMON_CQ_CREATE                         12
 205 #define OPCODE_COMMON_EQ_CREATE                         13
 206 #define OPCODE_COMMON_MCC_CREATE                        21
 207 #define OPCODE_COMMON_MCC_CREATE_EXT                    90
 208 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 209 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 210 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 211 #define OPCODE_COMMON_GET_FW_VERSION                    35
 212 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 213 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 214 #define OPCODE_COMMON_MCC_DESTROY                       53
 215 #define OPCODE_COMMON_CQ_DESTROY                        54
 216 #define OPCODE_COMMON_EQ_DESTROY                        55
 217 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 218 #define OPCODE_COMMON_FUNCTION_RESET                    61
 219 #define OPCODE_COMMON_GET_PORT_NAME                     77
 220
 221 /**
 222  * LIST of opcodes that are common between Initiator and Target
 223  * used by CMD_SUBSYSTEM_ISCSI
 224  * These opcodes are unique for each subsystem defined above
 225  */
 226 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 227 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 228 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 229 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 230 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 231 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 232 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 233 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 234 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 235 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 236 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 237 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 238 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 239 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 240 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 241 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 242
 243 struct be_cmd_req_hdr {
 244         u8 opcode;              /* dword 0 */
 245         u8 subsystem;           /* dword 0 */
 246         u8 port_number;         /* dword 0 */
 247         u8 domain;              /* dword 0 */
 248         u32 timeout;            /* dword 1 */
 249         u32 request_length;     /* dword 2 */
 250         u8 version;             /* dword 3 */
 251         u8 rsvd0[3];            /* dword 3 */
 252 };
 253
 254 struct be_cmd_resp_hdr {
 255         u32 info;               /* dword 0 */
 256         u32 status;             /* dword 1 */
 257         u32 response_length;    /* dword 2 */
 258         u32 actual_resp_len;    /* dword 3 */
 259 };
 260
 261 struct phys_addr {
 262         u32 lo;
 263         u32 hi;
 264 };
 265
 266 struct virt_addr {
 267         u32 lo;
 268         u32 hi;
 269 };
 270 /**************************
 271  * BE Command definitions *
 272  **************************/
 273
 274 /**
 275  * Pseudo amap definition in which each bit of the actual structure is defined
 276  * as a byte - used to calculate offset/shift/mask of each field
 277  */
 278 struct amap_eq_context {
 279         u8 cidx[13];            /* dword 0 */
 280         u8 rsvd0[3];            /* dword 0 */
 281         u8 epidx[13];           /* dword 0 */
 282         u8 valid;               /* dword 0 */
 283         u8 rsvd1;               /* dword 0 */
 284         u8 size;                /* dword 0 */
 285         u8 pidx[13];            /* dword 1 */
 286         u8 rsvd2[3];            /* dword 1 */
 287         u8 pd[10];              /* dword 1 */
 288         u8 count[3];            /* dword 1 */
 289         u8 solevent;            /* dword 1 */
 290         u8 stalled;             /* dword 1 */
 291         u8 armed;               /* dword 1 */
 292         u8 rsvd3[4];            /* dword 2 */
 293         u8 func[8];             /* dword 2 */
 294         u8 rsvd4;               /* dword 2 */
 295         u8 delaymult[10];       /* dword 2 */
 296         u8 rsvd5[2];            /* dword 2 */
 297         u8 phase[2];            /* dword 2 */
 298         u8 nodelay;             /* dword 2 */
 299         u8 rsvd6[4];            /* dword 2 */
 300         u8 rsvd7[32];           /* dword 3 */
 301 } __packed;
 302
 303 struct be_cmd_req_eq_create {
 304         struct be_cmd_req_hdr hdr;      /* dw[4] */
 305         u16 num_pages;          /* sword */
 306         u16 rsvd0;              /* sword */
 307         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 308         struct phys_addr pages[8];
 309 } __packed;
 310
 311 struct be_cmd_resp_eq_create {
 312         struct be_cmd_resp_hdr resp_hdr;
 313         u16 eq_id;              /* sword */
 314         u16 rsvd0;              /* sword */
 315 } __packed;
 316
 317 struct be_set_eqd {
 318         u32 eq_id;
 319         u32 phase;
 320         u32 delay_multiplier;
 321 } __packed;
 322
 323 struct mgmt_chap_format {
 324         u32 flags;
 325         u8  intr_chap_name[256];
 326         u8  intr_secret[16];
 327         u8  target_chap_name[256];
 328         u8  target_secret[16];
 329         u16 intr_chap_name_length;
 330         u16 intr_secret_length;
 331         u16 target_chap_name_length;
 332         u16 target_secret_length;
 333 } __packed;
 334
 335 struct mgmt_auth_method_format {
 336         u8      auth_method_type;
 337         u8      padding[3];
 338         struct  mgmt_chap_format chap;
 339 } __packed;
 340
 341 struct be_cmd_req_logout_fw_sess {
 342         struct be_cmd_req_hdr hdr;      /* dw[4] */
 343         uint32_t session_handle;
 344 } __packed;
 345
 346 struct be_cmd_resp_logout_fw_sess {
 347         struct be_cmd_resp_hdr hdr;     /* dw[4] */
 348 #define BEISCSI_MGMT_SESSION_CLOSE 0x20
 349         uint32_t session_status;
 350 } __packed;
 351
 352 struct mgmt_conn_login_options {
 353         u8 flags;
 354         u8 header_digest;
 355         u8 data_digest;
 356         u8 rsvd0;
 357         u32 max_recv_datasegment_len_ini;
 358         u32 max_recv_datasegment_len_tgt;
 359         u32 tcp_mss;
 360         u32 tcp_window_size;
 361         struct  mgmt_auth_method_format auth_data;
 362 } __packed;
 363
 364 struct ip_addr_format {
 365         u16 size_of_structure;
 366         u8 reserved;
 367         u8 ip_type;
 368         u8 addr[16];
 369         u32 rsvd0;
 370 } __packed;
 371
 372 struct mgmt_conn_info {
 373         u32     connection_handle;
 374         u32     connection_status;
 375         u16     src_port;
 376         u16     dest_port;
 377         u16     dest_port_redirected;
 378         u16     cid;
 379         u32     estimated_throughput;
 380         struct  ip_addr_format  src_ipaddr;
 381         struct  ip_addr_format  dest_ipaddr;
 382         struct  ip_addr_format  dest_ipaddr_redirected;
 383         struct  mgmt_conn_login_options negotiated_login_options;
 384 } __packed;
 385
 386 struct mgmt_session_login_options {
 387         u8      flags;
 388         u8      error_recovery_level;
 389         u16     rsvd0;
 390         u32     first_burst_length;
 391         u32     max_burst_length;
 392         u16     max_connections;
 393         u16     max_outstanding_r2t;
 394         u16     default_time2wait;
 395         u16     default_time2retain;
 396 } __packed;
 397
 398 struct mgmt_session_info {
 399         u32     session_handle;
 400         u32     status;
 401         u8      isid[6];
 402         u16     tsih;
 403         u32     session_flags;
 404         u16     conn_count;
 405         u16     pad;
 406         u8      target_name[224];
 407         u8      initiator_iscsiname[224];
 408         struct  mgmt_session_login_options negotiated_login_options;
 409         struct  mgmt_conn_info  conn_list[1];
 410 } __packed;
 411
 412 struct be_cmd_get_session_req {
 413         struct be_cmd_req_hdr hdr;
 414         u32 session_handle;
 415 } __packed;
 416
 417 struct be_cmd_get_session_resp {
 418         struct be_cmd_resp_hdr hdr;
 419         struct mgmt_session_info session_info;
 420 } __packed;
 421
 422 struct mac_addr {
 423         u16 size_of_structure;
 424         u8 addr[ETH_ALEN];
 425 } __packed;
 426
 427 struct be_cmd_get_boot_target_req {
 428         struct be_cmd_req_hdr hdr;
 429 } __packed;
 430
 431 struct be_cmd_get_boot_target_resp {
 432         struct be_cmd_resp_hdr hdr;
 433         u32  boot_session_count;
 434         int  boot_session_handle;
 435 };
 436
 437 struct be_cmd_reopen_session_req {
 438         struct be_cmd_req_hdr hdr;
 439 #define BE_REOPEN_ALL_SESSIONS  0x00
 440 #define BE_REOPEN_BOOT_SESSIONS 0x01
 441 #define BE_REOPEN_A_SESSION     0x02
 442         u16 reopen_type;
 443         u16 rsvd;
 444         u32 session_handle;
 445 } __packed;
 446
 447 struct be_cmd_reopen_session_resp {
 448         struct be_cmd_resp_hdr hdr;
 449         u32 rsvd;
 450         u32 session_handle;
 451 } __packed;
 452
 453
 454 struct be_cmd_mac_query_req {
 455         struct be_cmd_req_hdr hdr;
 456         u8 type;
 457         u8 permanent;
 458         u16 if_id;
 459 } __packed;
 460
 461 struct be_cmd_get_mac_resp {
 462         struct be_cmd_resp_hdr hdr;
 463         struct mac_addr mac;
 464 };
 465
 466 struct be_ip_addr_subnet_format {
 467         u16 size_of_structure;
 468         u8 ip_type;
 469         u8 ipv6_prefix_length;
 470         u8 addr[16];
 471         u8 subnet_mask[16];
 472         u32 rsvd0;
 473 } __packed;
 474
 475 struct be_cmd_get_if_info_req {
 476         struct be_cmd_req_hdr hdr;
 477         u32 interface_hndl;
 478         u32 ip_type;
 479 } __packed;
 480
 481 struct be_cmd_get_if_info_resp {
 482         struct be_cmd_req_hdr hdr;
 483         u32 interface_hndl;
 484         u32 vlan_priority;
 485         u32 ip_addr_count;
 486         u32 dhcp_state;
 487         struct be_ip_addr_subnet_format ip_addr;
 488 } __packed;
 489
 490 struct be_ip_addr_record {
 491         u32 action;
 492         u32 interface_hndl;
 493         struct be_ip_addr_subnet_format ip_addr;
 494         u32 status;
 495 } __packed;
 496
 497 struct be_ip_addr_record_params {
 498         u32 record_entry_count;
 499         struct be_ip_addr_record ip_record;
 500 } __packed;
 501
 502 struct be_cmd_set_ip_addr_req {
 503         struct be_cmd_req_hdr hdr;
 504         struct be_ip_addr_record_params ip_params;
 505 } __packed;
 506
 507
 508 struct be_cmd_set_dhcp_req {
 509         struct be_cmd_req_hdr hdr;
 510         u32 interface_hndl;
 511         u32 ip_type;
 512         u32 flags;
 513         u32 retry_count;
 514 } __packed;
 515
 516 struct be_cmd_rel_dhcp_req {
 517         struct be_cmd_req_hdr hdr;
 518         u32 interface_hndl;
 519         u32 ip_type;
 520 } __packed;
 521
 522 struct be_cmd_set_def_gateway_req {
 523         struct be_cmd_req_hdr hdr;
 524         u32 action;
 525         struct ip_addr_format ip_addr;
 526 } __packed;
 527
 528 struct be_cmd_get_def_gateway_req {
 529         struct be_cmd_req_hdr hdr;
 530         u32 ip_type;
 531 } __packed;
 532
 533 struct be_cmd_get_def_gateway_resp {
 534         struct be_cmd_req_hdr hdr;
 535         struct ip_addr_format ip_addr;
 536 } __packed;
 537
 538 #define BEISCSI_VLAN_DISABLE    0xFFFF
 539 struct be_cmd_set_vlan_req {
 540         struct be_cmd_req_hdr hdr;
 541         u32 interface_hndl;
 542         u32 vlan_priority;
 543 } __packed;
 544 /******************** Create CQ ***************************/
 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_cq_context {
 550         u8 cidx[11];            /* dword 0 */
 551         u8 rsvd0;               /* dword 0 */
 552         u8 coalescwm[2];        /* dword 0 */
 553         u8 nodelay;             /* dword 0 */
 554         u8 epidx[11];           /* dword 0 */
 555         u8 rsvd1;               /* dword 0 */
 556         u8 count[2];            /* dword 0 */
 557         u8 valid;               /* dword 0 */
 558         u8 solevent;            /* dword 0 */
 559         u8 eventable;           /* dword 0 */
 560         u8 pidx[11];            /* dword 1 */
 561         u8 rsvd2;               /* dword 1 */
 562         u8 pd[10];              /* dword 1 */
 563         u8 eqid[8];             /* dword 1 */
 564         u8 stalled;             /* dword 1 */
 565         u8 armed;               /* dword 1 */
 566         u8 rsvd3[4];            /* dword 2 */
 567         u8 func[8];             /* dword 2 */
 568         u8 rsvd4[20];           /* dword 2 */
 569         u8 rsvd5[32];           /* dword 3 */
 570 } __packed;
 571
 572 struct amap_cq_context_v2 {
 573         u8 rsvd0[12];   /* dword 0 */
 574         u8 coalescwm[2];    /* dword 0 */
 575         u8 nodelay;     /* dword 0 */
 576         u8 rsvd1[12];   /* dword 0 */
 577         u8 count[2];    /* dword 0 */
 578         u8 valid;       /* dword 0 */
 579         u8 rsvd2;       /* dword 0 */
 580         u8 eventable;   /* dword 0 */
 581         u8 eqid[16];    /* dword 1 */
 582         u8 rsvd3[15];   /* dword 1 */
 583         u8 armed;       /* dword 1 */
 584         u8 cqecount[16];/* dword 2 */
 585         u8 rsvd4[16];   /* dword 2 */
 586         u8 rsvd5[32];   /* dword 3 */
 587 };
 588
 589 struct be_cmd_req_cq_create {
 590         struct be_cmd_req_hdr hdr;
 591         u16 num_pages;
 592         u8 page_size;
 593         u8 rsvd0;
 594         u8 context[sizeof(struct amap_cq_context) / 8];
 595         struct phys_addr pages[4];
 596 } __packed;
 597
 598 struct be_cmd_resp_cq_create {
 599         struct be_cmd_resp_hdr hdr;
 600         u16 cq_id;
 601         u16 rsvd0;
 602 } __packed;
 603
 604 /******************** Create MCCQ ***************************/
 605 /**
 606  * Pseudo amap definition in which each bit of the actual structure is defined
 607  * as a byte - used to calculate offset/shift/mask of each field
 608  */
 609 struct amap_mcc_context {
 610         u8 con_index[14];
 611         u8 rsvd0[2];
 612         u8 ring_size[4];
 613         u8 fetch_wrb;
 614         u8 fetch_r2t;
 615         u8 cq_id[10];
 616         u8 prod_index[14];
 617         u8 fid[8];
 618         u8 pdid[9];
 619         u8 valid;
 620         u8 rsvd1[32];
 621         u8 rsvd2[32];
 622 } __packed;
 623
 624 struct be_cmd_req_mcc_create_ext {
 625         struct be_cmd_req_hdr hdr;
 626         u16 num_pages;
 627         u16 rsvd0;
 628         u32 async_evt_bitmap;
 629         u8 context[sizeof(struct amap_mcc_context) / 8];
 630         struct phys_addr pages[8];
 631 } __packed;
 632
 633 struct be_cmd_resp_mcc_create {
 634         struct be_cmd_resp_hdr hdr;
 635         u16 id;
 636         u16 rsvd0;
 637 } __packed;
 638
 639 /******************** Q Destroy  ***************************/
 640 /* Type of Queue to be destroyed */
 641 enum {
 642         QTYPE_EQ = 1,
 643         QTYPE_CQ,
 644         QTYPE_MCCQ,
 645         QTYPE_WRBQ,
 646         QTYPE_DPDUQ,
 647         QTYPE_SGL
 648 };
 649
 650 struct be_cmd_req_q_destroy {
 651         struct be_cmd_req_hdr hdr;
 652         u16 id;
 653         u16 bypass_flush;       /* valid only for rx q destroy */
 654 } __packed;
 655
 656 struct macaddr {
 657         u8 byte[ETH_ALEN];
 658 };
 659
 660 struct be_cmd_req_mcast_mac_config {
 661         struct be_cmd_req_hdr hdr;
 662         u16 num_mac;
 663         u8 promiscuous;
 664         u8 interface_id;
 665         struct macaddr mac[32];
 666 } __packed;
 667
 668 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 669 {
 670         return wrb->payload.embedded_payload;
 671 }
 672
 673 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 674 {
 675         return &wrb->payload.sgl[0];
 676 }
 677
 678 /******************** Modify EQ Delay *******************/
 679 struct be_cmd_req_modify_eq_delay {
 680         struct be_cmd_req_hdr hdr;
 681         __le32 num_eq;
 682         struct {
 683                 __le32 eq_id;
 684                 __le32 phase;
 685                 __le32 delay_multiplier;
 686         } delay[MAX_CPUS];
 687 } __packed;
 688
 689 /******************** Get MAC ADDR *******************/
 690
 691 struct be_cmd_get_nic_conf_resp {
 692         struct be_cmd_resp_hdr hdr;
 693         u32 nic_port_count;
 694         u32 speed;
 695         u32 max_speed;
 696         u32 link_state;
 697         u32 max_frame_size;
 698         u16 size_of_structure;
 699         u8 mac_address[ETH_ALEN];
 700 } __packed;
 701
 702 #define BEISCSI_ALIAS_LEN 32
 703
 704 struct be_cmd_hba_name {
 705         struct be_cmd_req_hdr hdr;
 706         u16 flags;
 707         u16 rsvd0;
 708         u8 initiator_name[ISCSI_NAME_LEN];
 709         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 710 } __packed;
 711
 712 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 713                           struct be_queue_info *eq, int eq_delay);
 714
 715 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 716                           struct be_queue_info *cq, struct be_queue_info *eq,
 717                           bool sol_evts, bool no_delay,
 718                           int num_cqe_dma_coalesce);
 719
 720 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 721                           int type);
 722 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 723                         struct be_queue_info *mccq,
 724                         struct be_queue_info *cq);
 725
 726 int be_poll_mcc(struct be_ctrl_info *ctrl);
 727 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 728                                       struct beiscsi_hba *phba);
 729 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 730
 731 void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag);
 732
 733 int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
 734                             int num);
 735 int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
 736                             uint32_t tag, struct be_mcc_wrb **wrb,
 737                             struct be_dma_mem *mbx_cmd_mem);
 738 /*ISCSI Functuions */
 739 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 740 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
 741
 742 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 743 int be_mcc_compl_poll(struct beiscsi_hba *phba, unsigned int tag);
 744 void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
 745 struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
 746                                  unsigned int *ref_tag);
 747 void beiscsi_process_async_event(struct beiscsi_hba *phba,
 748                                 struct be_mcc_compl *compl);
 749 int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
 750                               struct be_mcc_compl *compl);
 751
 752
 753 int be_mbox_notify(struct be_ctrl_info *ctrl);
 754
 755 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 756                                     struct be_queue_info *cq,
 757                                     struct be_queue_info *dq, int length,
 758                                     int entry_size, uint8_t is_header,
 759                                     uint8_t ulp_num);
 760
 761 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 762                                     struct be_dma_mem *q_mem);
 763
 764 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 765
 766 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 767                                 struct be_dma_mem *q_mem, u32 page_offset,
 768                                 u32 num_pages);
 769
 770 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 771
 772 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 773                        struct be_queue_info *wrbq,
 774                        struct hwi_wrb_context *pwrb_context,
 775                        uint8_t ulp_num);
 776
 777 /* Configuration Functions */
 778 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 779
 780 struct be_default_pdu_context {
 781         u32 dw[4];
 782 } __packed;
 783
 784 struct amap_be_default_pdu_context {
 785         u8 dbuf_cindex[13];     /* dword 0 */
 786         u8 rsvd0[3];            /* dword 0 */
 787         u8 ring_size[4];        /* dword 0 */
 788         u8 ring_state[4];       /* dword 0 */
 789         u8 rsvd1[8];            /* dword 0 */
 790         u8 dbuf_pindex[13];     /* dword 1 */
 791         u8 rsvd2;               /* dword 1 */
 792         u8 pci_func_id[8];      /* dword 1 */
 793         u8 rx_pdid[9];          /* dword 1 */
 794         u8 rx_pdid_valid;       /* dword 1 */
 795         u8 default_buffer_size[16];     /* dword 2 */
 796         u8 cq_id_recv[10];      /* dword 2 */
 797         u8 rx_pdid_not_valid;   /* dword 2 */
 798         u8 rsvd3[5];            /* dword 2 */
 799         u8 rsvd4[32];           /* dword 3 */
 800 } __packed;
 801
 802 struct amap_default_pdu_context_ext {
 803         u8 rsvd0[16];   /* dword 0 */
 804         u8 ring_size[4];    /* dword 0 */
 805         u8 rsvd1[12];   /* dword 0 */
 806         u8 rsvd2[22];   /* dword 1 */
 807         u8 rx_pdid[9];  /* dword 1 */
 808         u8 rx_pdid_valid;   /* dword 1 */
 809         u8 default_buffer_size[16]; /* dword 2 */
 810         u8 cq_id_recv[16];  /* dword 2 */
 811         u8 rsvd3[32];   /* dword 3 */
 812 } __packed;
 813
 814 struct be_defq_create_req {
 815         struct be_cmd_req_hdr hdr;
 816         u16 num_pages;
 817         u8 ulp_num;
 818 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 819 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 820         u8 dua_feature;
 821         struct be_default_pdu_context context;
 822         struct phys_addr pages[8];
 823 } __packed;
 824
 825 struct be_defq_create_resp {
 826         struct be_cmd_req_hdr hdr;
 827         u16 id;
 828         u8 rsvd0;
 829         u8 ulp_num;
 830         u32 doorbell_offset;
 831         u16 register_set;
 832         u16 doorbell_format;
 833 } __packed;
 834
 835 struct be_post_template_pages_req {
 836         struct be_cmd_req_hdr hdr;
 837         u16 num_pages;
 838 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 839         u16 type;
 840         struct phys_addr scratch_pa;
 841         struct virt_addr scratch_va;
 842         struct virt_addr pages_va;
 843         struct phys_addr pages[16];
 844 } __packed;
 845
 846 struct be_remove_template_pages_req {
 847         struct be_cmd_req_hdr hdr;
 848         u16 type;
 849         u16 rsvd0;
 850 } __packed;
 851
 852 struct be_post_sgl_pages_req {
 853         struct be_cmd_req_hdr hdr;
 854         u16 num_pages;
 855         u16 page_offset;
 856         u32 rsvd0;
 857         struct phys_addr pages[26];
 858         u32 rsvd1;
 859 } __packed;
 860
 861 struct be_wrbq_create_req {
 862         struct be_cmd_req_hdr hdr;
 863         u16 num_pages;
 864         u8 ulp_num;
 865         u8 dua_feature;
 866         struct phys_addr pages[8];
 867 } __packed;
 868
 869 struct be_wrbq_create_resp {
 870         struct be_cmd_resp_hdr resp_hdr;
 871         u16 cid;
 872         u8 rsvd0;
 873         u8 ulp_num;
 874         u32 doorbell_offset;
 875         u16 register_set;
 876         u16 doorbell_format;
 877 } __packed;
 878
 879 #define SOL_CID_MASK            0x0000FFC0
 880 #define SOL_CODE_MASK           0x0000003F
 881 #define SOL_WRB_INDEX_MASK      0x00FF0000
 882 #define SOL_CMD_WND_MASK        0xFF000000
 883 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 884 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 885 #define SOL_HW_STS_MASK         0x000000FF
 886 #define SOL_STS_MASK            0x0000FF00
 887 #define SOL_RESP_MASK           0x00FF0000
 888 #define SOL_FLAGS_MASK          0x7F000000
 889 #define SOL_S_MASK              0x80000000
 890
 891 struct sol_cqe {
 892         u32 dw[4];
 893 };
 894
 895 struct amap_sol_cqe {
 896         u8 hw_sts[8];           /* dword 0 */
 897         u8 i_sts[8];            /* dword 0 */
 898         u8 i_resp[8];           /* dword 0 */
 899         u8 i_flags[7];          /* dword 0 */
 900         u8 s;                   /* dword 0 */
 901         u8 i_exp_cmd_sn[32];    /* dword 1 */
 902         u8 code[6];             /* dword 2 */
 903         u8 cid[10];             /* dword 2 */
 904         u8 wrb_index[8];        /* dword 2 */
 905         u8 i_cmd_wnd[8];        /* dword 2 */
 906         u8 i_res_cnt[31];       /* dword 3 */
 907         u8 valid;               /* dword 3 */
 908 } __packed;
 909
 910 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 911 struct amap_sol_cqe_ring {
 912         u8 hw_sts[8];           /* dword 0 */
 913         u8 i_sts[8];            /* dword 0 */
 914         u8 i_resp[8];           /* dword 0 */
 915         u8 i_flags[7];          /* dword 0 */
 916         u8 s;                   /* dword 0 */
 917         u8 i_exp_cmd_sn[32];    /* dword 1 */
 918         u8 code[6];             /* dword 2 */
 919         u8 icd_index[12];       /* dword 2 */
 920         u8 rsvd[6];             /* dword 2 */
 921         u8 i_cmd_wnd[8];        /* dword 2 */
 922         u8 i_res_cnt[31];       /* dword 3 */
 923         u8 valid;               /* dword 3 */
 924 } __packed;
 925
 926 struct amap_sol_cqe_v2 {
 927         u8 hw_sts[8];   /* dword 0 */
 928         u8 i_sts[8];    /* dword 0 */
 929         u8 wrb_index[16];   /* dword 0 */
 930         u8 i_exp_cmd_sn[32];    /* dword 1 */
 931         u8 code[6]; /* dword 2 */
 932         u8 cmd_cmpl;    /* dword 2 */
 933         u8 rsvd0;   /* dword 2 */
 934         u8 i_cmd_wnd[8];    /* dword 2 */
 935         u8 cid[13]; /* dword 2 */
 936         u8 u;   /* dword 2 */
 937         u8 o;   /* dword 2 */
 938         u8 s;   /* dword 2 */
 939         u8 i_res_cnt[31];   /* dword 3 */
 940         u8 valid;   /* dword 3 */
 941 } __packed;
 942
 943 struct common_sol_cqe {
 944         u32 exp_cmdsn;
 945         u32 res_cnt;
 946         u16 wrb_index;
 947         u16 cid;
 948         u8 hw_sts;
 949         u8 cmd_wnd;
 950         u8 res_flag; /* the s feild of structure */
 951         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 952         u8 i_flags; /* for skh or the u and o feilds */
 953         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 954 };
 955
 956 /*** iSCSI ack/driver message completions ***/
 957 struct amap_it_dmsg_cqe {
 958         u8 ack_num[32]; /* DWORD 0 */
 959         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 960         u8 code[6]; /* DWORD 2 */
 961         u8 cid[10]; /* DWORD 2 */
 962         u8 wrb_idx[8];  /* DWORD 2 */
 963         u8 rsvd0[8];    /* DWORD 2*/
 964         u8 rsvd1[31];   /* DWORD 3*/
 965         u8 valid;   /* DWORD 3 */
 966 } __packed;
 967
 968 struct amap_it_dmsg_cqe_v2 {
 969         u8 ack_num[32]; /* DWORD 0 */
 970         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 971         u8 code[6]; /* DWORD 2 */
 972         u8 rsvd0[10];   /* DWORD 2 */
 973         u8 wrb_idx[16]; /* DWORD 2 */
 974         u8 rsvd1[16];   /* DWORD 3 */
 975         u8 cid[13]; /* DWORD 3 */
 976         u8 rsvd2[2];    /* DWORD 3 */
 977         u8 valid;   /* DWORD 3 */
 978 } __packed;
 979
 980
 981 /**
 982  * Post WRB Queue Doorbell Register used by the host Storage
 983  * stack to notify the
 984  * controller of a posted Work Request Block
 985  */
 986 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
 987 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 988
 989 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 990 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 991
 992 struct fragnum_bits_for_sgl_cra_in {
 993         struct be_cmd_req_hdr hdr;
 994         u32 num_bits;
 995 } __packed;
 996
 997 struct iscsi_cleanup_req {
 998         struct be_cmd_req_hdr hdr;
 999         u16 chute;
1000         u8 hdr_ring_id;
1001         u8 data_ring_id;
1002
1003 } __packed;
1004
1005 struct eq_delay {
1006         u32 eq_id;
1007         u32 phase;
1008         u32 delay_multiplier;
1009 } __packed;
1010
1011 struct be_eq_delay_params_in {
1012         struct be_cmd_req_hdr hdr;
1013         u32 num_eq;
1014         struct eq_delay delay[8];
1015 } __packed;
1016
1017 struct tcp_connect_and_offload_in {
1018         struct be_cmd_req_hdr hdr;
1019         struct ip_addr_format ip_address;
1020         u16 tcp_port;
1021         u16 cid;
1022         u16 cq_id;
1023         u16 defq_id;
1024         struct phys_addr dataout_template_pa;
1025         u16 hdr_ring_id;
1026         u16 data_ring_id;
1027         u8 do_offload;
1028         u8 rsvd0[3];
1029 } __packed;
1030
1031 struct tcp_connect_and_offload_in_v1 {
1032         struct be_cmd_req_hdr hdr;
1033         struct ip_addr_format ip_address;
1034         u16 tcp_port;
1035         u16 cid;
1036         u16 cq_id;
1037         u16 defq_id;
1038         struct phys_addr dataout_template_pa;
1039         u16 hdr_ring_id;
1040         u16 data_ring_id;
1041         u8 do_offload;
1042         u8 ifd_state;
1043         u8 rsvd0[2];
1044         u16 tcp_window_size;
1045         u8 tcp_window_scale_count;
1046         u8 rsvd1;
1047         u32 tcp_mss:24;
1048         u8 rsvd2;
1049 } __packed;
1050
1051 struct tcp_connect_and_offload_out {
1052         struct be_cmd_resp_hdr hdr;
1053         u32 connection_handle;
1054         u16 cid;
1055         u16 rsvd0;
1056
1057 } __packed;
1058
1059 struct be_mcc_wrb_context {
1060         struct MCC_WRB *wrb;
1061         int *users_final_status;
1062 } __packed;
1063
1064 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1065 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1066 #define DB_DEF_PDU_REARM_SHIFT          14
1067 #define DB_DEF_PDU_EVENT_SHIFT          15
1068 #define DB_DEF_PDU_CQPROC_SHIFT         16
1069
1070 struct dmsg_cqe {
1071         u32 dw[4];
1072 } __packed;
1073
1074 struct tcp_upload_params_in {
1075         struct be_cmd_req_hdr hdr;
1076         u16 id;
1077         u16 upload_type;
1078         u32 reset_seq;
1079 } __packed;
1080
1081 struct tcp_upload_params_out {
1082         u32 dw[32];
1083 } __packed;
1084
1085 union tcp_upload_params {
1086         struct tcp_upload_params_in request;
1087         struct tcp_upload_params_out response;
1088 } __packed;
1089
1090 struct be_ulp_fw_cfg {
1091 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1092         u32 ulp_mode;
1093         u32 etx_base;
1094         u32 etx_count;
1095         u32 sq_base;
1096         u32 sq_count;
1097         u32 rq_base;
1098         u32 rq_count;
1099         u32 dq_base;
1100         u32 dq_count;
1101         u32 lro_base;
1102         u32 lro_count;
1103         u32 icd_base;
1104         u32 icd_count;
1105 };
1106
1107 struct be_ulp_chain_icd {
1108         u32 chain_base;
1109         u32 chain_count;
1110 };
1111
1112 struct be_fw_cfg {
1113         struct be_cmd_req_hdr hdr;
1114         u32 be_config_number;
1115         u32 asic_revision;
1116         u32 phys_port;
1117 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1118 #define BEISCSI_FUNC_DUA_MODE   0x800
1119         u32 function_mode;
1120         struct be_ulp_fw_cfg ulp[2];
1121         u32 function_caps;
1122         u32 cqid_base;
1123         u32 cqid_count;
1124         u32 eqid_base;
1125         u32 eqid_count;
1126         struct be_ulp_chain_icd chain_icd[2];
1127 } __packed;
1128
1129 struct be_cmd_get_all_if_id_req {
1130         struct be_cmd_req_hdr hdr;
1131         u32 if_count;
1132         u32 if_hndl_list[1];
1133 } __packed;
1134
1135 struct be_cmd_get_port_name {
1136         union {
1137                 struct be_cmd_req_hdr req_hdr;
1138                 struct be_cmd_resp_hdr resp_hdr;
1139         } h;
1140         union {
1141                 struct {
1142                         u32 reserved;
1143                 } req;
1144                 struct {
1145                         u32 port_names;
1146                 } resp;
1147         } p;
1148 } __packed;
1149
1150 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1151 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1152 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1153 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1154 #define OPCODE_COMMON_TCP_UPLOAD                56
1155 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1156 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1157 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1158 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1159 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1160 #define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET   24
1161 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1162 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1163 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1164 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1165 #define OPCODE_COMMON_WRITE_FLASH               96
1166 #define OPCODE_COMMON_READ_FLASH                97
1167
1168 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1169 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1170 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1171 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1172
1173 #define INI_WR_CMD                      1       /* Initiator write command */
1174 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1175 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1176 #define INI_RD_CMD                      5       /* Initiator requesting to send
1177                                                  * a read command
1178                                                  */
1179 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1180 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1181                                                  * where only the status number
1182                                                  * need to be updated
1183                                                  */
1184 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1185                                                  * to read command
1186                                                  */
1187 #define TGT_SOS_PDU                     10      /* Target:standalone status
1188                                                  * response
1189                                                  */
1190 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1191                                                  *  preparedby
1192                                                  * driver should not be touched
1193                                                  */
1194 /* --- CMD_CHUTE_TYPE --- */
1195 #define CMD_CONNECTION_CHUTE_0          1
1196 #define CMD_CONNECTION_CHUTE_1          2
1197 #define CMD_CONNECTION_CHUTE_2          3
1198
1199 #define EQ_MAJOR_CODE_COMPLETION        0
1200
1201 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1202 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1203
1204 /* --- CONNECTION_UPLOAD_PARAMS --- */
1205 /* These parameters are used to define the type of upload desired.  */
1206 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1207 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1208                                                  * reset
1209                                                  */
1210 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1211                                                  * reset
1212                                                  */
1213 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1214                                                  * sequence number by driver  */
1215
1216 /* Returns the number of items in the field array. */
1217 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1218         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1219
1220 /**
1221  * Different types of iSCSI completions to host driver for both initiator
1222  * and taget mode
1223  * of operation.
1224  */
1225 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1226                                                  * normally
1227                                                  */
1228 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1229                                                  * invalidated internally due
1230                                                  * to Data Digest error
1231                                                  */
1232 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1233                                                  * internally
1234                                                  * due to a received PDU
1235                                                  * size > DSL
1236                                                  */
1237 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1238                                                  * internally due ti received
1239                                                  * PDU sequence size >
1240                                                  * FBL/MBL.
1241                                                  */
1242 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1243                                                  * internally due to a received
1244                                                  * PDU Hdr that has
1245                                                  * AHS */
1246 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1247                                                  * internally due to Hdr Digest
1248                                                  * error
1249                                                  */
1250 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1251                                                  *  internally
1252                                                  * due to a bad opcode in the
1253                                                  * pdu hdr
1254                                                  */
1255 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1256                                                  * internally due to a received
1257                                                  * ITT/TTT that does not belong
1258                                                  * to this Connection
1259                                                  */
1260 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1261                                                  * internally due to received
1262                                                  * ITT/TTT value > Max
1263                                                  * Supported ITTs/TTTs
1264                                                  */
1265 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1266                                                  * internally due to an
1267                                                  * incoming TCP RST
1268                                                  */
1269 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1270                                                  * internally due to timeout on
1271                                                  * tcp segment 12 retransmit
1272                                                  * attempts failed
1273                                                  */
1274 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1275                                                  * internally due to TCP RST
1276                                                  * sent by the Tx side
1277                                                  */
1278 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1279                                                  * internally due to an
1280                                                  * incoming TCP FIN.
1281                                                  */
1282 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1283                                                  * internally due to bad
1284                                                  * unsolicited PDU Unsolicited
1285                                                  * PDUs are PDUs with
1286                                                  * ITT=0xffffffff
1287                                                  */
1288 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1289                                                  * internally due to bad WRB
1290                                                  * index.
1291                                                  */
1292 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1293                                                  * internally due to received
1294                                                  * command has residual
1295                                                  * over run bytes.
1296                                                  */
1297 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1298                                                  * internally due to received
1299                                                  * command has residual under
1300                                                  * run bytes.
1301                                                  */
1302 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1303                                                  * internally due to a received
1304                                                  * PDU has an invalid StatusSN
1305                                                  */
1306 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1307                                                  * internally due to a received
1308                                                  * an R2T with some invalid
1309                                                  * fields in it
1310                                                  */
1311 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1312                                                  * internally due to received
1313                                                  * PDU has an invalid LUN.
1314                                                  */
1315 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1316                                                  * internally due to the
1317                                                  * corresponding ICD not in a
1318                                                  * valid state
1319                                                  */
1320 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1321                                                  *  to received PDU has an
1322                                                  *  invalid ITT.
1323                                                  */
1324 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1325                                                  * to received sequence buffer
1326                                                  * offset is out of order.
1327                                                  */
1328 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1329                                                  * internally due to a
1330                                                  * received PDU has an invalid
1331                                                  * DataSN
1332                                                  */
1333 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1334                                                  * completion notify.
1335                                                  */
1336 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1337                                                  * completion
1338                                                  * with data PDU index.
1339                                                  */
1340 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1341                                                  * completionnotifify.
1342                                                  */
1343 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1344 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1345 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1346                                                  * error notify.
1347                                                  */
1348 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1349                                                  * notification.
1350                                                  */
1351 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1352                                                   * internally due to command
1353                                                   * and data are not on same
1354                                                   * connection.
1355                                                   */
1356 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1357                                                  *  invalidated internally due
1358                                                  *  to DIF error
1359                                                  */
1360 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1361                                                  * internally due to incoming
1362                                                  * TCP SYN
1363                                                  */
1364 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1365                                                  * internally due to an
1366                                                  * incoming Unsolicited PDU
1367                                                  * that has immediate data on
1368                                                  * the cxn
1369                                                  */
1370
1371 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1372 int be_chk_reset_complete(struct beiscsi_hba *phba);
1373
1374 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1375                         bool embedded, u8 sge_cnt);
1376
1377 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1378                         u8 subsystem, u8 opcode, int cmd_len);
1379
1380 void beiscsi_fail_session(struct iscsi_cls_session *cls_session);
1381 #endif /* !BEISCSI_CMDS_H */