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 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 #define ASYNC_EVENT_CODE_SLI            0x11
 123
 124 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT  16      /* bits 16 - 23 */
 125 #define ASYNC_TRAILER_EVENT_TYPE_MASK   0xFF
 126
 127 /* iSCSI events */
 128 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC  0x4
 129 #define ASYNC_EVENT_NEW_ISCSI_CONN      0x5
 130 #define ASYNC_EVENT_NEW_TCP_CONN        0x7
 131
 132 /* SLI events */
 133 #define ASYNC_SLI_EVENT_TYPE_MISCONFIGURED      0x9
 134 #define ASYNC_SLI_LINK_EFFECT_VALID(le)         (le & 0x80)
 135 #define ASYNC_SLI_LINK_EFFECT_SEV(le)           ((le >> 1)  & 0x03)
 136 #define ASYNC_SLI_LINK_EFFECT_STATE(le)         (le & 0x01)
 137
 138 struct be_async_event_trailer {
 139         u32 code;
 140 };
 141
 142 enum {
 143         ASYNC_EVENT_LINK_DOWN = 0x0,
 144         ASYNC_EVENT_LINK_UP = 0x1,
 145         ASYNC_EVENT_LOGICAL = 0x2
 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         u8 port_duplex;
 156 /* BE2ISCSI_LINK_SPEED_ZERO     0x00 - no link */
 157 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 158 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 159 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 160 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 161 #define BE2ISCSI_LINK_SPEED_25GBPS      0x06
 162 #define BE2ISCSI_LINK_SPEED_40GBPS      0x07
 163         u8 port_speed;
 164 #define BEISCSI_PHY_LINK_FAULT_NONE     0x00
 165 #define BEISCSI_PHY_LINK_FAULT_LOCAL    0x01
 166 #define BEISCSI_PHY_LINK_FAULT_REMOTE   0x02
 167         u8 port_fault;
 168         u8 event_reason;
 169         u16 qos_link_speed;
 170         u32 event_tag;
 171         struct be_async_event_trailer trailer;
 172 } __packed;
 173
 174 /**
 175  * When async-trailer is SLI event, mcc_compl is interpreted as
 176  */
 177 struct be_async_event_sli {
 178         u32 event_data1;
 179         u32 event_data2;
 180         u32 reserved;
 181         u32 trailer;
 182 } __packed;
 183
 184 struct be_mcc_mailbox {
 185         struct be_mcc_wrb wrb;
 186         struct be_mcc_compl compl;
 187 };
 188
 189 /* Type of subsystems supported by FW */
 190 #define CMD_SUBSYSTEM_COMMON    0x1
 191 #define CMD_SUBSYSTEM_ISCSI     0x2
 192 #define CMD_SUBSYSTEM_ETH       0x3
 193 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 194 #define CMD_COMMON_TCP_UPLOAD   0x1
 195
 196 /**
 197  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 198  * These opcodes are unique for each subsystem defined above
 199  */
 200 #define OPCODE_COMMON_CQ_CREATE                         12
 201 #define OPCODE_COMMON_EQ_CREATE                         13
 202 #define OPCODE_COMMON_MCC_CREATE                        21
 203 #define OPCODE_COMMON_MCC_CREATE_EXT                    90
 204 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 205 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 206 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 207 #define OPCODE_COMMON_GET_FW_VERSION                    35
 208 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 209 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 210 #define OPCODE_COMMON_MCC_DESTROY                       53
 211 #define OPCODE_COMMON_CQ_DESTROY                        54
 212 #define OPCODE_COMMON_EQ_DESTROY                        55
 213 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 214 #define OPCODE_COMMON_FUNCTION_RESET                    61
 215 #define OPCODE_COMMON_GET_PORT_NAME                     77
 216
 217 /**
 218  * LIST of opcodes that are common between Initiator and Target
 219  * used by CMD_SUBSYSTEM_ISCSI
 220  * These opcodes are unique for each subsystem defined above
 221  */
 222 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 223 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 224 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 225 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 226 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 227 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 228 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 229 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 230 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 231 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 232 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 233 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 234 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 235 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 236 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 237 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 238
 239 struct be_cmd_req_hdr {
 240         u8 opcode;              /* dword 0 */
 241         u8 subsystem;           /* dword 0 */
 242         u8 port_number;         /* dword 0 */
 243         u8 domain;              /* dword 0 */
 244         u32 timeout;            /* dword 1 */
 245         u32 request_length;     /* dword 2 */
 246         u8 version;             /* dword 3 */
 247         u8 rsvd0[3];            /* dword 3 */
 248 };
 249
 250 struct be_cmd_resp_hdr {
 251         u32 info;               /* dword 0 */
 252         u32 status;             /* dword 1 */
 253         u32 response_length;    /* dword 2 */
 254         u32 actual_resp_len;    /* dword 3 */
 255 };
 256
 257 struct phys_addr {
 258         u32 lo;
 259         u32 hi;
 260 };
 261
 262 struct virt_addr {
 263         u32 lo;
 264         u32 hi;
 265 };
 266 /**************************
 267  * BE Command definitions *
 268  **************************/
 269
 270 /**
 271  * Pseudo amap definition in which each bit of the actual structure is defined
 272  * as a byte - used to calculate offset/shift/mask of each field
 273  */
 274 struct amap_eq_context {
 275         u8 cidx[13];            /* dword 0 */
 276         u8 rsvd0[3];            /* dword 0 */
 277         u8 epidx[13];           /* dword 0 */
 278         u8 valid;               /* dword 0 */
 279         u8 rsvd1;               /* dword 0 */
 280         u8 size;                /* dword 0 */
 281         u8 pidx[13];            /* dword 1 */
 282         u8 rsvd2[3];            /* dword 1 */
 283         u8 pd[10];              /* dword 1 */
 284         u8 count[3];            /* dword 1 */
 285         u8 solevent;            /* dword 1 */
 286         u8 stalled;             /* dword 1 */
 287         u8 armed;               /* dword 1 */
 288         u8 rsvd3[4];            /* dword 2 */
 289         u8 func[8];             /* dword 2 */
 290         u8 rsvd4;               /* dword 2 */
 291         u8 delaymult[10];       /* dword 2 */
 292         u8 rsvd5[2];            /* dword 2 */
 293         u8 phase[2];            /* dword 2 */
 294         u8 nodelay;             /* dword 2 */
 295         u8 rsvd6[4];            /* dword 2 */
 296         u8 rsvd7[32];           /* dword 3 */
 297 } __packed;
 298
 299 struct be_cmd_req_eq_create {
 300         struct be_cmd_req_hdr hdr;      /* dw[4] */
 301         u16 num_pages;          /* sword */
 302         u16 rsvd0;              /* sword */
 303         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 304         struct phys_addr pages[8];
 305 } __packed;
 306
 307 struct be_cmd_resp_eq_create {
 308         struct be_cmd_resp_hdr resp_hdr;
 309         u16 eq_id;              /* sword */
 310         u16 rsvd0;              /* sword */
 311 } __packed;
 312
 313 struct be_set_eqd {
 314         u32 eq_id;
 315         u32 phase;
 316         u32 delay_multiplier;
 317 } __packed;
 318
 319 struct mgmt_chap_format {
 320         u32 flags;
 321         u8  intr_chap_name[256];
 322         u8  intr_secret[16];
 323         u8  target_chap_name[256];
 324         u8  target_secret[16];
 325         u16 intr_chap_name_length;
 326         u16 intr_secret_length;
 327         u16 target_chap_name_length;
 328         u16 target_secret_length;
 329 } __packed;
 330
 331 struct mgmt_auth_method_format {
 332         u8      auth_method_type;
 333         u8      padding[3];
 334         struct  mgmt_chap_format chap;
 335 } __packed;
 336
 337 struct be_cmd_req_logout_fw_sess {
 338         struct be_cmd_req_hdr hdr;      /* dw[4] */
 339         uint32_t session_handle;
 340 } __packed;
 341
 342 struct be_cmd_resp_logout_fw_sess {
 343         struct be_cmd_resp_hdr hdr;     /* dw[4] */
 344 #define BEISCSI_MGMT_SESSION_CLOSE 0x20
 345         uint32_t session_status;
 346 } __packed;
 347
 348 struct mgmt_conn_login_options {
 349         u8 flags;
 350         u8 header_digest;
 351         u8 data_digest;
 352         u8 rsvd0;
 353         u32 max_recv_datasegment_len_ini;
 354         u32 max_recv_datasegment_len_tgt;
 355         u32 tcp_mss;
 356         u32 tcp_window_size;
 357         struct  mgmt_auth_method_format auth_data;
 358 } __packed;
 359
 360 struct ip_addr_format {
 361         u16 size_of_structure;
 362         u8 reserved;
 363         u8 ip_type;
 364         u8 addr[16];
 365         u32 rsvd0;
 366 } __packed;
 367
 368 struct mgmt_conn_info {
 369         u32     connection_handle;
 370         u32     connection_status;
 371         u16     src_port;
 372         u16     dest_port;
 373         u16     dest_port_redirected;
 374         u16     cid;
 375         u32     estimated_throughput;
 376         struct  ip_addr_format  src_ipaddr;
 377         struct  ip_addr_format  dest_ipaddr;
 378         struct  ip_addr_format  dest_ipaddr_redirected;
 379         struct  mgmt_conn_login_options negotiated_login_options;
 380 } __packed;
 381
 382 struct mgmt_session_login_options {
 383         u8      flags;
 384         u8      error_recovery_level;
 385         u16     rsvd0;
 386         u32     first_burst_length;
 387         u32     max_burst_length;
 388         u16     max_connections;
 389         u16     max_outstanding_r2t;
 390         u16     default_time2wait;
 391         u16     default_time2retain;
 392 } __packed;
 393
 394 struct mgmt_session_info {
 395         u32     session_handle;
 396         u32     status;
 397         u8      isid[6];
 398         u16     tsih;
 399         u32     session_flags;
 400         u16     conn_count;
 401         u16     pad;
 402         u8      target_name[224];
 403         u8      initiator_iscsiname[224];
 404         struct  mgmt_session_login_options negotiated_login_options;
 405         struct  mgmt_conn_info  conn_list[1];
 406 } __packed;
 407
 408 struct be_cmd_get_session_req {
 409         struct be_cmd_req_hdr hdr;
 410         u32 session_handle;
 411 } __packed;
 412
 413 struct be_cmd_get_session_resp {
 414         struct be_cmd_resp_hdr hdr;
 415         struct mgmt_session_info session_info;
 416 } __packed;
 417
 418 struct mac_addr {
 419         u16 size_of_structure;
 420         u8 addr[ETH_ALEN];
 421 } __packed;
 422
 423 struct be_cmd_get_boot_target_req {
 424         struct be_cmd_req_hdr hdr;
 425 } __packed;
 426
 427 struct be_cmd_get_boot_target_resp {
 428         struct be_cmd_resp_hdr hdr;
 429         u32  boot_session_count;
 430         int  boot_session_handle;
 431 };
 432
 433 struct be_cmd_reopen_session_req {
 434         struct be_cmd_req_hdr hdr;
 435 #define BE_REOPEN_ALL_SESSIONS  0x00
 436 #define BE_REOPEN_BOOT_SESSIONS 0x01
 437 #define BE_REOPEN_A_SESSION     0x02
 438         u16 reopen_type;
 439         u16 rsvd;
 440         u32 session_handle;
 441 } __packed;
 442
 443 struct be_cmd_reopen_session_resp {
 444         struct be_cmd_resp_hdr hdr;
 445         u32 rsvd;
 446         u32 session_handle;
 447 } __packed;
 448
 449
 450 struct be_cmd_mac_query_req {
 451         struct be_cmd_req_hdr hdr;
 452         u8 type;
 453         u8 permanent;
 454         u16 if_id;
 455 } __packed;
 456
 457 struct be_cmd_get_mac_resp {
 458         struct be_cmd_resp_hdr hdr;
 459         struct mac_addr mac;
 460 };
 461
 462 struct be_ip_addr_subnet_format {
 463         u16 size_of_structure;
 464         u8 ip_type;
 465         u8 ipv6_prefix_length;
 466         u8 addr[16];
 467         u8 subnet_mask[16];
 468         u32 rsvd0;
 469 } __packed;
 470
 471 struct be_cmd_get_if_info_req {
 472         struct be_cmd_req_hdr hdr;
 473         u32 interface_hndl;
 474         u32 ip_type;
 475 } __packed;
 476
 477 struct be_cmd_get_if_info_resp {
 478         struct be_cmd_req_hdr hdr;
 479         u32 interface_hndl;
 480         u32 vlan_priority;
 481         u32 ip_addr_count;
 482         u32 dhcp_state;
 483         struct be_ip_addr_subnet_format ip_addr;
 484 } __packed;
 485
 486 struct be_ip_addr_record {
 487         u32 action;
 488         u32 interface_hndl;
 489         struct be_ip_addr_subnet_format ip_addr;
 490         u32 status;
 491 } __packed;
 492
 493 struct be_ip_addr_record_params {
 494         u32 record_entry_count;
 495         struct be_ip_addr_record ip_record;
 496 } __packed;
 497
 498 struct be_cmd_set_ip_addr_req {
 499         struct be_cmd_req_hdr hdr;
 500         struct be_ip_addr_record_params ip_params;
 501 } __packed;
 502
 503
 504 struct be_cmd_set_dhcp_req {
 505         struct be_cmd_req_hdr hdr;
 506         u32 interface_hndl;
 507         u32 ip_type;
 508         u32 flags;
 509         u32 retry_count;
 510 } __packed;
 511
 512 struct be_cmd_rel_dhcp_req {
 513         struct be_cmd_req_hdr hdr;
 514         u32 interface_hndl;
 515         u32 ip_type;
 516 } __packed;
 517
 518 struct be_cmd_set_def_gateway_req {
 519         struct be_cmd_req_hdr hdr;
 520         u32 action;
 521         struct ip_addr_format ip_addr;
 522 } __packed;
 523
 524 struct be_cmd_get_def_gateway_req {
 525         struct be_cmd_req_hdr hdr;
 526         u32 ip_type;
 527 } __packed;
 528
 529 struct be_cmd_get_def_gateway_resp {
 530         struct be_cmd_req_hdr hdr;
 531         struct ip_addr_format ip_addr;
 532 } __packed;
 533
 534 #define BEISCSI_VLAN_DISABLE    0xFFFF
 535 struct be_cmd_set_vlan_req {
 536         struct be_cmd_req_hdr hdr;
 537         u32 interface_hndl;
 538         u32 vlan_priority;
 539 } __packed;
 540 /******************** Create CQ ***************************/
 541 /**
 542  * Pseudo amap definition in which each bit of the actual structure is defined
 543  * as a byte - used to calculate offset/shift/mask of each field
 544  */
 545 struct amap_cq_context {
 546         u8 cidx[11];            /* dword 0 */
 547         u8 rsvd0;               /* dword 0 */
 548         u8 coalescwm[2];        /* dword 0 */
 549         u8 nodelay;             /* dword 0 */
 550         u8 epidx[11];           /* dword 0 */
 551         u8 rsvd1;               /* dword 0 */
 552         u8 count[2];            /* dword 0 */
 553         u8 valid;               /* dword 0 */
 554         u8 solevent;            /* dword 0 */
 555         u8 eventable;           /* dword 0 */
 556         u8 pidx[11];            /* dword 1 */
 557         u8 rsvd2;               /* dword 1 */
 558         u8 pd[10];              /* dword 1 */
 559         u8 eqid[8];             /* dword 1 */
 560         u8 stalled;             /* dword 1 */
 561         u8 armed;               /* dword 1 */
 562         u8 rsvd3[4];            /* dword 2 */
 563         u8 func[8];             /* dword 2 */
 564         u8 rsvd4[20];           /* dword 2 */
 565         u8 rsvd5[32];           /* dword 3 */
 566 } __packed;
 567
 568 struct amap_cq_context_v2 {
 569         u8 rsvd0[12];   /* dword 0 */
 570         u8 coalescwm[2];    /* dword 0 */
 571         u8 nodelay;     /* dword 0 */
 572         u8 rsvd1[12];   /* dword 0 */
 573         u8 count[2];    /* dword 0 */
 574         u8 valid;       /* dword 0 */
 575         u8 rsvd2;       /* dword 0 */
 576         u8 eventable;   /* dword 0 */
 577         u8 eqid[16];    /* dword 1 */
 578         u8 rsvd3[15];   /* dword 1 */
 579         u8 armed;       /* dword 1 */
 580         u8 cqecount[16];/* dword 2 */
 581         u8 rsvd4[16];   /* dword 2 */
 582         u8 rsvd5[32];   /* dword 3 */
 583 };
 584
 585 struct be_cmd_req_cq_create {
 586         struct be_cmd_req_hdr hdr;
 587         u16 num_pages;
 588         u8 page_size;
 589         u8 rsvd0;
 590         u8 context[sizeof(struct amap_cq_context) / 8];
 591         struct phys_addr pages[4];
 592 } __packed;
 593
 594 struct be_cmd_resp_cq_create {
 595         struct be_cmd_resp_hdr hdr;
 596         u16 cq_id;
 597         u16 rsvd0;
 598 } __packed;
 599
 600 /******************** Create MCCQ ***************************/
 601 /**
 602  * Pseudo amap definition in which each bit of the actual structure is defined
 603  * as a byte - used to calculate offset/shift/mask of each field
 604  */
 605 struct amap_mcc_context {
 606         u8 con_index[14];
 607         u8 rsvd0[2];
 608         u8 ring_size[4];
 609         u8 fetch_wrb;
 610         u8 fetch_r2t;
 611         u8 cq_id[10];
 612         u8 prod_index[14];
 613         u8 fid[8];
 614         u8 pdid[9];
 615         u8 valid;
 616         u8 rsvd1[32];
 617         u8 rsvd2[32];
 618 } __packed;
 619
 620 struct be_cmd_req_mcc_create_ext {
 621         struct be_cmd_req_hdr hdr;
 622         u16 num_pages;
 623         u16 rsvd0;
 624         u32 async_evt_bitmap;
 625         u8 context[sizeof(struct amap_mcc_context) / 8];
 626         struct phys_addr pages[8];
 627 } __packed;
 628
 629 struct be_cmd_resp_mcc_create {
 630         struct be_cmd_resp_hdr hdr;
 631         u16 id;
 632         u16 rsvd0;
 633 } __packed;
 634
 635 /******************** Q Destroy  ***************************/
 636 /* Type of Queue to be destroyed */
 637 enum {
 638         QTYPE_EQ = 1,
 639         QTYPE_CQ,
 640         QTYPE_MCCQ,
 641         QTYPE_WRBQ,
 642         QTYPE_DPDUQ,
 643         QTYPE_SGL
 644 };
 645
 646 struct be_cmd_req_q_destroy {
 647         struct be_cmd_req_hdr hdr;
 648         u16 id;
 649         u16 bypass_flush;       /* valid only for rx q destroy */
 650 } __packed;
 651
 652 struct macaddr {
 653         u8 byte[ETH_ALEN];
 654 };
 655
 656 struct be_cmd_req_mcast_mac_config {
 657         struct be_cmd_req_hdr hdr;
 658         u16 num_mac;
 659         u8 promiscuous;
 660         u8 interface_id;
 661         struct macaddr mac[32];
 662 } __packed;
 663
 664 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 665 {
 666         return wrb->payload.embedded_payload;
 667 }
 668
 669 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 670 {
 671         return &wrb->payload.sgl[0];
 672 }
 673
 674 /******************** Modify EQ Delay *******************/
 675 struct be_cmd_req_modify_eq_delay {
 676         struct be_cmd_req_hdr hdr;
 677         __le32 num_eq;
 678         struct {
 679                 __le32 eq_id;
 680                 __le32 phase;
 681                 __le32 delay_multiplier;
 682         } delay[MAX_CPUS];
 683 } __packed;
 684
 685 /******************** Get MAC ADDR *******************/
 686
 687 #define ETH_ALEN        6
 688
 689 struct be_cmd_get_nic_conf_req {
 690         struct be_cmd_req_hdr hdr;
 691         u32 nic_port_count;
 692         u32 speed;
 693         u32 max_speed;
 694         u32 link_state;
 695         u32 max_frame_size;
 696         u16 size_of_structure;
 697         u8 mac_address[ETH_ALEN];
 698         u32 rsvd[23];
 699 };
 700
 701 struct be_cmd_get_nic_conf_resp {
 702         struct be_cmd_resp_hdr hdr;
 703         u32 nic_port_count;
 704         u32 speed;
 705         u32 max_speed;
 706         u32 link_state;
 707         u32 max_frame_size;
 708         u16 size_of_structure;
 709         u8 mac_address[6];
 710         u32 rsvd[23];
 711 };
 712
 713 #define BEISCSI_ALIAS_LEN 32
 714
 715 struct be_cmd_hba_name {
 716         struct be_cmd_req_hdr hdr;
 717         u16 flags;
 718         u16 rsvd0;
 719         u8 initiator_name[ISCSI_NAME_LEN];
 720         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 721 } __packed;
 722
 723 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 724                           struct be_queue_info *eq, int eq_delay);
 725
 726 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 727                           struct be_queue_info *cq, struct be_queue_info *eq,
 728                           bool sol_evts, bool no_delay,
 729                           int num_cqe_dma_coalesce);
 730
 731 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 732                           int type);
 733 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 734                         struct be_queue_info *mccq,
 735                         struct be_queue_info *cq);
 736
 737 int be_poll_mcc(struct be_ctrl_info *ctrl);
 738 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 739                                       struct beiscsi_hba *phba);
 740 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 741
 742 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 743
 744 int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
 745                             int num);
 746 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
 747                         uint32_t tag, struct be_mcc_wrb **wrb,
 748                         struct be_dma_mem *mbx_cmd_mem);
 749 /*ISCSI Functuions */
 750 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 751 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
 752
 753 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 754 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 755 int be_mcc_notify_wait(struct beiscsi_hba *phba, unsigned int tag);
 756 void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
 757 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 758 void beiscsi_process_async_event(struct beiscsi_hba *phba,
 759                                 struct be_mcc_compl *compl);
 760 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 761                                     struct be_mcc_compl *compl);
 762
 763 int be_mbox_notify(struct be_ctrl_info *ctrl);
 764
 765 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 766                                     struct be_queue_info *cq,
 767                                     struct be_queue_info *dq, int length,
 768                                     int entry_size, uint8_t is_header,
 769                                     uint8_t ulp_num);
 770
 771 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 772                                     struct be_dma_mem *q_mem);
 773
 774 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 775
 776 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 777                                 struct be_dma_mem *q_mem, u32 page_offset,
 778                                 u32 num_pages);
 779
 780 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 781
 782 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 783                        struct be_queue_info *wrbq,
 784                        struct hwi_wrb_context *pwrb_context,
 785                        uint8_t ulp_num);
 786
 787 /* Configuration Functions */
 788 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 789
 790 struct be_default_pdu_context {
 791         u32 dw[4];
 792 } __packed;
 793
 794 struct amap_be_default_pdu_context {
 795         u8 dbuf_cindex[13];     /* dword 0 */
 796         u8 rsvd0[3];            /* dword 0 */
 797         u8 ring_size[4];        /* dword 0 */
 798         u8 ring_state[4];       /* dword 0 */
 799         u8 rsvd1[8];            /* dword 0 */
 800         u8 dbuf_pindex[13];     /* dword 1 */
 801         u8 rsvd2;               /* dword 1 */
 802         u8 pci_func_id[8];      /* dword 1 */
 803         u8 rx_pdid[9];          /* dword 1 */
 804         u8 rx_pdid_valid;       /* dword 1 */
 805         u8 default_buffer_size[16];     /* dword 2 */
 806         u8 cq_id_recv[10];      /* dword 2 */
 807         u8 rx_pdid_not_valid;   /* dword 2 */
 808         u8 rsvd3[5];            /* dword 2 */
 809         u8 rsvd4[32];           /* dword 3 */
 810 } __packed;
 811
 812 struct amap_default_pdu_context_ext {
 813         u8 rsvd0[16];   /* dword 0 */
 814         u8 ring_size[4];    /* dword 0 */
 815         u8 rsvd1[12];   /* dword 0 */
 816         u8 rsvd2[22];   /* dword 1 */
 817         u8 rx_pdid[9];  /* dword 1 */
 818         u8 rx_pdid_valid;   /* dword 1 */
 819         u8 default_buffer_size[16]; /* dword 2 */
 820         u8 cq_id_recv[16];  /* dword 2 */
 821         u8 rsvd3[32];   /* dword 3 */
 822 } __packed;
 823
 824 struct be_defq_create_req {
 825         struct be_cmd_req_hdr hdr;
 826         u16 num_pages;
 827         u8 ulp_num;
 828 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 829 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 830         u8 dua_feature;
 831         struct be_default_pdu_context context;
 832         struct phys_addr pages[8];
 833 } __packed;
 834
 835 struct be_defq_create_resp {
 836         struct be_cmd_req_hdr hdr;
 837         u16 id;
 838         u8 rsvd0;
 839         u8 ulp_num;
 840         u32 doorbell_offset;
 841         u16 register_set;
 842         u16 doorbell_format;
 843 } __packed;
 844
 845 struct be_post_template_pages_req {
 846         struct be_cmd_req_hdr hdr;
 847         u16 num_pages;
 848 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 849         u16 type;
 850         struct phys_addr scratch_pa;
 851         struct virt_addr scratch_va;
 852         struct virt_addr pages_va;
 853         struct phys_addr pages[16];
 854 } __packed;
 855
 856 struct be_remove_template_pages_req {
 857         struct be_cmd_req_hdr hdr;
 858         u16 type;
 859         u16 rsvd0;
 860 } __packed;
 861
 862 struct be_post_sgl_pages_req {
 863         struct be_cmd_req_hdr hdr;
 864         u16 num_pages;
 865         u16 page_offset;
 866         u32 rsvd0;
 867         struct phys_addr pages[26];
 868         u32 rsvd1;
 869 } __packed;
 870
 871 struct be_wrbq_create_req {
 872         struct be_cmd_req_hdr hdr;
 873         u16 num_pages;
 874         u8 ulp_num;
 875         u8 dua_feature;
 876         struct phys_addr pages[8];
 877 } __packed;
 878
 879 struct be_wrbq_create_resp {
 880         struct be_cmd_resp_hdr resp_hdr;
 881         u16 cid;
 882         u8 rsvd0;
 883         u8 ulp_num;
 884         u32 doorbell_offset;
 885         u16 register_set;
 886         u16 doorbell_format;
 887 } __packed;
 888
 889 #define SOL_CID_MASK            0x0000FFC0
 890 #define SOL_CODE_MASK           0x0000003F
 891 #define SOL_WRB_INDEX_MASK      0x00FF0000
 892 #define SOL_CMD_WND_MASK        0xFF000000
 893 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 894 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 895 #define SOL_HW_STS_MASK         0x000000FF
 896 #define SOL_STS_MASK            0x0000FF00
 897 #define SOL_RESP_MASK           0x00FF0000
 898 #define SOL_FLAGS_MASK          0x7F000000
 899 #define SOL_S_MASK              0x80000000
 900
 901 struct sol_cqe {
 902         u32 dw[4];
 903 };
 904
 905 struct amap_sol_cqe {
 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 cid[10];             /* dword 2 */
 914         u8 wrb_index[8];        /* 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 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 921 struct amap_sol_cqe_ring {
 922         u8 hw_sts[8];           /* dword 0 */
 923         u8 i_sts[8];            /* dword 0 */
 924         u8 i_resp[8];           /* dword 0 */
 925         u8 i_flags[7];          /* dword 0 */
 926         u8 s;                   /* dword 0 */
 927         u8 i_exp_cmd_sn[32];    /* dword 1 */
 928         u8 code[6];             /* dword 2 */
 929         u8 icd_index[12];       /* dword 2 */
 930         u8 rsvd[6];             /* dword 2 */
 931         u8 i_cmd_wnd[8];        /* dword 2 */
 932         u8 i_res_cnt[31];       /* dword 3 */
 933         u8 valid;               /* dword 3 */
 934 } __packed;
 935
 936 struct amap_sol_cqe_v2 {
 937         u8 hw_sts[8];   /* dword 0 */
 938         u8 i_sts[8];    /* dword 0 */
 939         u8 wrb_index[16];   /* dword 0 */
 940         u8 i_exp_cmd_sn[32];    /* dword 1 */
 941         u8 code[6]; /* dword 2 */
 942         u8 cmd_cmpl;    /* dword 2 */
 943         u8 rsvd0;   /* dword 2 */
 944         u8 i_cmd_wnd[8];    /* dword 2 */
 945         u8 cid[13]; /* dword 2 */
 946         u8 u;   /* dword 2 */
 947         u8 o;   /* dword 2 */
 948         u8 s;   /* dword 2 */
 949         u8 i_res_cnt[31];   /* dword 3 */
 950         u8 valid;   /* dword 3 */
 951 } __packed;
 952
 953 struct common_sol_cqe {
 954         u32 exp_cmdsn;
 955         u32 res_cnt;
 956         u16 wrb_index;
 957         u16 cid;
 958         u8 hw_sts;
 959         u8 cmd_wnd;
 960         u8 res_flag; /* the s feild of structure */
 961         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 962         u8 i_flags; /* for skh or the u and o feilds */
 963         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 964 };
 965
 966 /*** iSCSI ack/driver message completions ***/
 967 struct amap_it_dmsg_cqe {
 968         u8 ack_num[32]; /* DWORD 0 */
 969         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 970         u8 code[6]; /* DWORD 2 */
 971         u8 cid[10]; /* DWORD 2 */
 972         u8 wrb_idx[8];  /* DWORD 2 */
 973         u8 rsvd0[8];    /* DWORD 2*/
 974         u8 rsvd1[31];   /* DWORD 3*/
 975         u8 valid;   /* DWORD 3 */
 976 } __packed;
 977
 978 struct amap_it_dmsg_cqe_v2 {
 979         u8 ack_num[32]; /* DWORD 0 */
 980         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 981         u8 code[6]; /* DWORD 2 */
 982         u8 rsvd0[10];   /* DWORD 2 */
 983         u8 wrb_idx[16]; /* DWORD 2 */
 984         u8 rsvd1[16];   /* DWORD 3 */
 985         u8 cid[13]; /* DWORD 3 */
 986         u8 rsvd2[2];    /* DWORD 3 */
 987         u8 valid;   /* DWORD 3 */
 988 } __packed;
 989
 990
 991 /**
 992  * Post WRB Queue Doorbell Register used by the host Storage
 993  * stack to notify the
 994  * controller of a posted Work Request Block
 995  */
 996 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
 997 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 998
 999 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
1000 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
1001
1002 struct fragnum_bits_for_sgl_cra_in {
1003         struct be_cmd_req_hdr hdr;
1004         u32 num_bits;
1005 } __packed;
1006
1007 struct iscsi_cleanup_req {
1008         struct be_cmd_req_hdr hdr;
1009         u16 chute;
1010         u8 hdr_ring_id;
1011         u8 data_ring_id;
1012
1013 } __packed;
1014
1015 struct eq_delay {
1016         u32 eq_id;
1017         u32 phase;
1018         u32 delay_multiplier;
1019 } __packed;
1020
1021 struct be_eq_delay_params_in {
1022         struct be_cmd_req_hdr hdr;
1023         u32 num_eq;
1024         struct eq_delay delay[8];
1025 } __packed;
1026
1027 struct tcp_connect_and_offload_in {
1028         struct be_cmd_req_hdr hdr;
1029         struct ip_addr_format ip_address;
1030         u16 tcp_port;
1031         u16 cid;
1032         u16 cq_id;
1033         u16 defq_id;
1034         struct phys_addr dataout_template_pa;
1035         u16 hdr_ring_id;
1036         u16 data_ring_id;
1037         u8 do_offload;
1038         u8 rsvd0[3];
1039 } __packed;
1040
1041 struct tcp_connect_and_offload_in_v1 {
1042         struct be_cmd_req_hdr hdr;
1043         struct ip_addr_format ip_address;
1044         u16 tcp_port;
1045         u16 cid;
1046         u16 cq_id;
1047         u16 defq_id;
1048         struct phys_addr dataout_template_pa;
1049         u16 hdr_ring_id;
1050         u16 data_ring_id;
1051         u8 do_offload;
1052         u8 ifd_state;
1053         u8 rsvd0[2];
1054         u16 tcp_window_size;
1055         u8 tcp_window_scale_count;
1056         u8 rsvd1;
1057         u32 tcp_mss:24;
1058         u8 rsvd2;
1059 } __packed;
1060
1061 struct tcp_connect_and_offload_out {
1062         struct be_cmd_resp_hdr hdr;
1063         u32 connection_handle;
1064         u16 cid;
1065         u16 rsvd0;
1066
1067 } __packed;
1068
1069 struct be_mcc_wrb_context {
1070         struct MCC_WRB *wrb;
1071         int *users_final_status;
1072 } __packed;
1073
1074 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1075 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1076 #define DB_DEF_PDU_REARM_SHIFT          14
1077 #define DB_DEF_PDU_EVENT_SHIFT          15
1078 #define DB_DEF_PDU_CQPROC_SHIFT         16
1079
1080 struct dmsg_cqe {
1081         u32 dw[4];
1082 } __packed;
1083
1084 struct tcp_upload_params_in {
1085         struct be_cmd_req_hdr hdr;
1086         u16 id;
1087         u16 upload_type;
1088         u32 reset_seq;
1089 } __packed;
1090
1091 struct tcp_upload_params_out {
1092         u32 dw[32];
1093 } __packed;
1094
1095 union tcp_upload_params {
1096         struct tcp_upload_params_in request;
1097         struct tcp_upload_params_out response;
1098 } __packed;
1099
1100 struct be_ulp_fw_cfg {
1101 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1102         u32 ulp_mode;
1103         u32 etx_base;
1104         u32 etx_count;
1105         u32 sq_base;
1106         u32 sq_count;
1107         u32 rq_base;
1108         u32 rq_count;
1109         u32 dq_base;
1110         u32 dq_count;
1111         u32 lro_base;
1112         u32 lro_count;
1113         u32 icd_base;
1114         u32 icd_count;
1115 };
1116
1117 struct be_ulp_chain_icd {
1118         u32 chain_base;
1119         u32 chain_count;
1120 };
1121
1122 struct be_fw_cfg {
1123         struct be_cmd_req_hdr hdr;
1124         u32 be_config_number;
1125         u32 asic_revision;
1126         u32 phys_port;
1127 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1128 #define BEISCSI_FUNC_DUA_MODE   0x800
1129         u32 function_mode;
1130         struct be_ulp_fw_cfg ulp[2];
1131         u32 function_caps;
1132         u32 cqid_base;
1133         u32 cqid_count;
1134         u32 eqid_base;
1135         u32 eqid_count;
1136         struct be_ulp_chain_icd chain_icd[2];
1137 } __packed;
1138
1139 struct be_cmd_get_all_if_id_req {
1140         struct be_cmd_req_hdr hdr;
1141         u32 if_count;
1142         u32 if_hndl_list[1];
1143 } __packed;
1144
1145 struct be_cmd_get_port_name {
1146         union {
1147                 struct be_cmd_req_hdr req_hdr;
1148                 struct be_cmd_resp_hdr resp_hdr;
1149         } h;
1150         union {
1151                 struct {
1152                         u32 reserved;
1153                 } req;
1154                 struct {
1155                         u32 port_names;
1156                 } resp;
1157         } p;
1158 } __packed;
1159
1160 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1161 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1162 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1163 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1164 #define OPCODE_COMMON_TCP_UPLOAD                56
1165 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1166 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1167 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1168 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1169 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1170 #define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET   24
1171 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1172 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1173 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1174 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1175 #define OPCODE_COMMON_WRITE_FLASH               96
1176 #define OPCODE_COMMON_READ_FLASH                97
1177
1178 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1179 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1180 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1181 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1182
1183 #define INI_WR_CMD                      1       /* Initiator write command */
1184 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1185 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1186 #define INI_RD_CMD                      5       /* Initiator requesting to send
1187                                                  * a read command
1188                                                  */
1189 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1190 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1191                                                  * where only the status number
1192                                                  * need to be updated
1193                                                  */
1194 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1195                                                  * to read command
1196                                                  */
1197 #define TGT_SOS_PDU                     10      /* Target:standalone status
1198                                                  * response
1199                                                  */
1200 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1201                                                  *  preparedby
1202                                                  * driver should not be touched
1203                                                  */
1204 /* --- CMD_CHUTE_TYPE --- */
1205 #define CMD_CONNECTION_CHUTE_0          1
1206 #define CMD_CONNECTION_CHUTE_1          2
1207 #define CMD_CONNECTION_CHUTE_2          3
1208
1209 #define EQ_MAJOR_CODE_COMPLETION        0
1210
1211 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1212 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1213
1214 /* --- CONNECTION_UPLOAD_PARAMS --- */
1215 /* These parameters are used to define the type of upload desired.  */
1216 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1217 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1218                                                  * reset
1219                                                  */
1220 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1221                                                  * reset
1222                                                  */
1223 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1224                                                  * sequence number by driver  */
1225
1226 /* Returns the number of items in the field array. */
1227 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1228         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1229
1230 /**
1231  * Different types of iSCSI completions to host driver for both initiator
1232  * and taget mode
1233  * of operation.
1234  */
1235 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1236                                                  * normally
1237                                                  */
1238 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1239                                                  * invalidated internally due
1240                                                  * to Data Digest error
1241                                                  */
1242 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1243                                                  * internally
1244                                                  * due to a received PDU
1245                                                  * size > DSL
1246                                                  */
1247 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1248                                                  * internally due ti received
1249                                                  * PDU sequence size >
1250                                                  * FBL/MBL.
1251                                                  */
1252 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1253                                                  * internally due to a received
1254                                                  * PDU Hdr that has
1255                                                  * AHS */
1256 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1257                                                  * internally due to Hdr Digest
1258                                                  * error
1259                                                  */
1260 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1261                                                  *  internally
1262                                                  * due to a bad opcode in the
1263                                                  * pdu hdr
1264                                                  */
1265 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1266                                                  * internally due to a received
1267                                                  * ITT/TTT that does not belong
1268                                                  * to this Connection
1269                                                  */
1270 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1271                                                  * internally due to received
1272                                                  * ITT/TTT value > Max
1273                                                  * Supported ITTs/TTTs
1274                                                  */
1275 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1276                                                  * internally due to an
1277                                                  * incoming TCP RST
1278                                                  */
1279 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1280                                                  * internally due to timeout on
1281                                                  * tcp segment 12 retransmit
1282                                                  * attempts failed
1283                                                  */
1284 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1285                                                  * internally due to TCP RST
1286                                                  * sent by the Tx side
1287                                                  */
1288 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1289                                                  * internally due to an
1290                                                  * incoming TCP FIN.
1291                                                  */
1292 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1293                                                  * internally due to bad
1294                                                  * unsolicited PDU Unsolicited
1295                                                  * PDUs are PDUs with
1296                                                  * ITT=0xffffffff
1297                                                  */
1298 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1299                                                  * internally due to bad WRB
1300                                                  * index.
1301                                                  */
1302 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1303                                                  * internally due to received
1304                                                  * command has residual
1305                                                  * over run bytes.
1306                                                  */
1307 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1308                                                  * internally due to received
1309                                                  * command has residual under
1310                                                  * run bytes.
1311                                                  */
1312 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1313                                                  * internally due to a received
1314                                                  * PDU has an invalid StatusSN
1315                                                  */
1316 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1317                                                  * internally due to a received
1318                                                  * an R2T with some invalid
1319                                                  * fields in it
1320                                                  */
1321 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1322                                                  * internally due to received
1323                                                  * PDU has an invalid LUN.
1324                                                  */
1325 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1326                                                  * internally due to the
1327                                                  * corresponding ICD not in a
1328                                                  * valid state
1329                                                  */
1330 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1331                                                  *  to received PDU has an
1332                                                  *  invalid ITT.
1333                                                  */
1334 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1335                                                  * to received sequence buffer
1336                                                  * offset is out of order.
1337                                                  */
1338 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1339                                                  * internally due to a
1340                                                  * received PDU has an invalid
1341                                                  * DataSN
1342                                                  */
1343 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1344                                                  * completion notify.
1345                                                  */
1346 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1347                                                  * completion
1348                                                  * with data PDU index.
1349                                                  */
1350 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1351                                                  * completionnotifify.
1352                                                  */
1353 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1354 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1355 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1356                                                  * error notify.
1357                                                  */
1358 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1359                                                  * notification.
1360                                                  */
1361 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1362                                                   * internally due to command
1363                                                   * and data are not on same
1364                                                   * connection.
1365                                                   */
1366 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1367                                                  *  invalidated internally due
1368                                                  *  to DIF error
1369                                                  */
1370 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1371                                                  * internally due to incoming
1372                                                  * TCP SYN
1373                                                  */
1374 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1375                                                  * internally due to an
1376                                                  * incoming Unsolicited PDU
1377                                                  * that has immediate data on
1378                                                  * the cxn
1379                                                  */
1380
1381 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1382 int be_chk_reset_complete(struct beiscsi_hba *phba);
1383
1384 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1385                         bool embedded, u8 sge_cnt);
1386
1387 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1388                         u8 subsystem, u8 opcode, int cmd_len);
1389
1390 void beiscsi_fail_session(struct iscsi_cls_session *cls_session);
1391 #endif /* !BEISCSI_CMDS_H */