drivers/scsi/be2iscsi/be_cmds.h

   1 /*
   2  * Copyright 2017 Broadcom. All Rights Reserved.
   3  * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
   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@broadcom.com
  12  *
  13  */
  14
  15 #ifndef BEISCSI_CMDS_H
  16 #define BEISCSI_CMDS_H
  17
  18 /**
  19  * The driver sends configuration and managements command requests to the
  20  * firmware in the BE. These requests are communicated to the processor
  21  * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
  22  * WRB inside a MAILBOX.
  23  * The commands are serviced by the ARM processor in the OneConnect's MPU.
  24  */
  25 struct be_sge {
  26         __le32 pa_lo;
  27         __le32 pa_hi;
  28         __le32 len;
  29 };
  30
  31 struct be_mcc_wrb {
  32         u32 emb_sgecnt_special; /* dword 0 */
  33         /* bits 0 - embedded    */
  34         /* bits 1 - 2 reserved  */
  35         /* bits 3 - 7 sge count */
  36         /* bits 8 - 23 reserved */
  37         /* bits 24 - 31 special */
  38 #define MCC_WRB_EMBEDDED_MASK 1
  39 #define MCC_WRB_SGE_CNT_SHIFT 3
  40 #define MCC_WRB_SGE_CNT_MASK 0x1F
  41         u32 payload_length;     /* dword 1 */
  42         u32 tag0;               /* dword 2 */
  43         u32 tag1;               /* dword 3 */
  44         u32 rsvd;               /* dword 4 */
  45         union {
  46 #define EMBED_MBX_MAX_PAYLOAD_SIZE  220
  47                 u8 embedded_payload[236];       /* used by embedded cmds */
  48                 struct be_sge sgl[19];  /* used by non-embedded cmds */
  49         } payload;
  50 };
  51
  52 #define CQE_FLAGS_VALID_MASK (1 << 31)
  53 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
  54 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
  55 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
  56
  57 /* Completion Status */
  58 #define MCC_STATUS_SUCCESS 0x0
  59 #define MCC_STATUS_FAILED 0x1
  60 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
  61 #define MCC_STATUS_ILLEGAL_FIELD 0x3
  62 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
  63 #define MCC_STATUS_INVALID_LENGTH 0x74
  64
  65 #define CQE_STATUS_COMPL_MASK   0xFFFF
  66 #define CQE_STATUS_COMPL_SHIFT  0               /* bits 0 - 15 */
  67 #define CQE_STATUS_EXTD_MASK    0xFFFF
  68 #define CQE_STATUS_EXTD_SHIFT   16              /* bits 31 - 16 */
  69 #define CQE_STATUS_ADDL_MASK    0xFF00
  70 #define CQE_STATUS_ADDL_SHIFT   8
  71 #define CQE_STATUS_MASK         0xFF
  72 #define CQE_STATUS_WRB_MASK     0xFF0000
  73 #define CQE_STATUS_WRB_SHIFT    16
  74
  75 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  76 #define BEISCSI_FW_MBX_TIMEOUT  100
  77
  78 /* MBOX Command VER */
  79 #define MBX_CMD_VER1    0x01
  80 #define MBX_CMD_VER2    0x02
  81
  82 struct be_mcc_compl {
  83         u32 status;             /* dword 0 */
  84         u32 tag0;               /* dword 1 */
  85         u32 tag1;               /* dword 2 */
  86         u32 flags;              /* dword 3 */
  87 };
  88
  89 /********* Mailbox door bell *************/
  90 /**
  91  * Used for driver communication with the FW.
  92  * The software must write this register twice to post any command. First,
  93  * it writes the register with hi=1 and the upper bits of the physical address
  94  * for the MAILBOX structure. Software must poll the ready bit until this
  95  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  96  * bits in the address. It must poll the ready bit until the command is
  97  * complete. Upon completion, the MAILBOX will contain a valid completion
  98  * queue entry.
  99  */
 100 #define MPU_MAILBOX_DB_OFFSET   0x160
 101 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
 102 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
 103
 104 /********** MPU semphore: used for SH & BE ******************/
 105 #define SLIPORT_SOFTRESET_OFFSET                0x5c    /* CSR BAR offset */
 106 #define SLIPORT_SEMAPHORE_OFFSET_BEx            0xac    /* CSR BAR offset */
 107 #define SLIPORT_SEMAPHORE_OFFSET_SH             0x94    /* PCI-CFG offset */
 108 #define POST_STAGE_MASK                         0x0000FFFF
 109 #define POST_ERROR_BIT                          0x80000000
 110 #define POST_ERR_RECOVERY_CODE_MASK             0xF000
 111
 112 /* Soft Reset register masks */
 113 #define SLIPORT_SOFTRESET_SR_MASK               0x00000080      /* SR bit */
 114
 115 /* MPU semphore POST stage values */
 116 #define POST_STAGE_AWAITING_HOST_RDY    0x1 /* FW awaiting goahead from host */
 117 #define POST_STAGE_HOST_RDY             0x2 /* Host has given go-ahed to FW */
 118 #define POST_STAGE_BE_RESET             0x3 /* Host wants to reset chip */
 119 #define POST_STAGE_ARMFW_RDY            0xC000 /* FW is done with POST */
 120 #define POST_STAGE_RECOVERABLE_ERR      0xE000 /* Recoverable err detected */
 121
 122 /********** MCC door bell ************/
 123 #define DB_MCCQ_OFFSET 0x140
 124 #define DB_MCCQ_RING_ID_MASK 0xFFFF             /* bits 0 - 15 */
 125 /* Number of entries posted */
 126 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 127
 128 /**
 129  * When the async bit of mcc_compl is set, the last 4 bytes of
 130  * mcc_compl is interpreted as follows:
 131  */
 132 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 133 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 134 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 135 #define ASYNC_EVENT_CODE_ISCSI          0x4
 136 #define ASYNC_EVENT_CODE_SLI            0x11
 137
 138 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT  16      /* bits 16 - 23 */
 139 #define ASYNC_TRAILER_EVENT_TYPE_MASK   0xFF
 140
 141 /* iSCSI events */
 142 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC  0x4
 143 #define ASYNC_EVENT_NEW_ISCSI_CONN      0x5
 144 #define ASYNC_EVENT_NEW_TCP_CONN        0x7
 145
 146 /* SLI events */
 147 #define ASYNC_SLI_EVENT_TYPE_MISCONFIGURED      0x9
 148 #define ASYNC_SLI_LINK_EFFECT_VALID(le)         (le & 0x80)
 149 #define ASYNC_SLI_LINK_EFFECT_SEV(le)           ((le >> 1)  & 0x03)
 150 #define ASYNC_SLI_LINK_EFFECT_STATE(le)         (le & 0x01)
 151
 152 struct be_async_event_trailer {
 153         u32 code;
 154 };
 155
 156 enum {
 157         ASYNC_EVENT_LINK_DOWN = 0x0,
 158         ASYNC_EVENT_LINK_UP = 0x1,
 159 };
 160
 161 /**
 162  * When the event code of an async trailer is link-state, the mcc_compl
 163  * must be interpreted as follows
 164  */
 165 struct be_async_event_link_state {
 166         u8 physical_port;
 167         u8 port_link_status;
 168 /**
 169  * ASYNC_EVENT_LINK_DOWN                0x0
 170  * ASYNC_EVENT_LINK_UP                  0x1
 171  * ASYNC_EVENT_LINK_LOGICAL_DOWN        0x2
 172  * ASYNC_EVENT_LINK_LOGICAL_UP          0x3
 173  */
 174 #define BE_ASYNC_LINK_UP_MASK           0x01
 175         u8 port_duplex;
 176         u8 port_speed;
 177 /* BE2ISCSI_LINK_SPEED_ZERO     0x00 - no link */
 178 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 179 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 180 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 181 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 182 #define BE2ISCSI_LINK_SPEED_25GBPS      0x06
 183 #define BE2ISCSI_LINK_SPEED_40GBPS      0x07
 184         u8 port_fault;
 185         u8 event_reason;
 186         u16 qos_link_speed;
 187         u32 event_tag;
 188         struct be_async_event_trailer trailer;
 189 } __packed;
 190
 191 /**
 192  * When async-trailer is SLI event, mcc_compl is interpreted as
 193  */
 194 struct be_async_event_sli {
 195         u32 event_data1;
 196         u32 event_data2;
 197         u32 reserved;
 198         u32 trailer;
 199 } __packed;
 200
 201 struct be_mcc_mailbox {
 202         struct be_mcc_wrb wrb;
 203         struct be_mcc_compl compl;
 204 };
 205
 206 /* Type of subsystems supported by FW */
 207 #define CMD_SUBSYSTEM_COMMON    0x1
 208 #define CMD_SUBSYSTEM_ISCSI     0x2
 209 #define CMD_SUBSYSTEM_ETH       0x3
 210 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 211 #define CMD_COMMON_TCP_UPLOAD   0x1
 212
 213 /**
 214  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 215  * These opcodes are unique for each subsystem defined above
 216  */
 217 #define OPCODE_COMMON_CQ_CREATE                         12
 218 #define OPCODE_COMMON_EQ_CREATE                         13
 219 #define OPCODE_COMMON_MCC_CREATE                        21
 220 #define OPCODE_COMMON_MCC_CREATE_EXT                    90
 221 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 222 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 223 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 224 #define OPCODE_COMMON_GET_FW_VERSION                    35
 225 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 226 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 227 #define OPCODE_COMMON_MCC_DESTROY                       53
 228 #define OPCODE_COMMON_CQ_DESTROY                        54
 229 #define OPCODE_COMMON_EQ_DESTROY                        55
 230 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 231 #define OPCODE_COMMON_FUNCTION_RESET                    61
 232 #define OPCODE_COMMON_GET_PORT_NAME                     77
 233 #define OPCODE_COMMON_SET_HOST_DATA                     93
 234 #define OPCODE_COMMON_SET_FEATURES                      191
 235
 236 /**
 237  * LIST of opcodes that are common between Initiator and Target
 238  * used by CMD_SUBSYSTEM_ISCSI
 239  * These opcodes are unique for each subsystem defined above
 240  */
 241 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 242 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 243 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 244 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 245 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 246 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 247 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 248 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 249 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 250 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 251 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 252 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 253 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 254 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 255 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 256 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 257
 258 struct be_cmd_req_hdr {
 259         u8 opcode;              /* dword 0 */
 260         u8 subsystem;           /* dword 0 */
 261         u8 port_number;         /* dword 0 */
 262         u8 domain;              /* dword 0 */
 263         u32 timeout;            /* dword 1 */
 264         u32 request_length;     /* dword 2 */
 265         u8 version;             /* dword 3 */
 266         u8 rsvd0[3];            /* dword 3 */
 267 };
 268
 269 struct be_cmd_resp_hdr {
 270         u32 info;               /* dword 0 */
 271         u32 status;             /* dword 1 */
 272         u32 response_length;    /* dword 2 */
 273         u32 actual_resp_len;    /* dword 3 */
 274 };
 275
 276 struct phys_addr {
 277         u32 lo;
 278         u32 hi;
 279 };
 280
 281 struct virt_addr {
 282         u32 lo;
 283         u32 hi;
 284 };
 285 /**************************
 286  * BE Command definitions *
 287  **************************/
 288
 289 /**
 290  * Pseudo amap definition in which each bit of the actual structure is defined
 291  * as a byte - used to calculate offset/shift/mask of each field
 292  */
 293 struct amap_eq_context {
 294         u8 cidx[13];            /* dword 0 */
 295         u8 rsvd0[3];            /* dword 0 */
 296         u8 epidx[13];           /* dword 0 */
 297         u8 valid;               /* dword 0 */
 298         u8 rsvd1;               /* dword 0 */
 299         u8 size;                /* dword 0 */
 300         u8 pidx[13];            /* dword 1 */
 301         u8 rsvd2[3];            /* dword 1 */
 302         u8 pd[10];              /* dword 1 */
 303         u8 count[3];            /* dword 1 */
 304         u8 solevent;            /* dword 1 */
 305         u8 stalled;             /* dword 1 */
 306         u8 armed;               /* dword 1 */
 307         u8 rsvd3[4];            /* dword 2 */
 308         u8 func[8];             /* dword 2 */
 309         u8 rsvd4;               /* dword 2 */
 310         u8 delaymult[10];       /* dword 2 */
 311         u8 rsvd5[2];            /* dword 2 */
 312         u8 phase[2];            /* dword 2 */
 313         u8 nodelay;             /* dword 2 */
 314         u8 rsvd6[4];            /* dword 2 */
 315         u8 rsvd7[32];           /* dword 3 */
 316 } __packed;
 317
 318 struct be_cmd_req_eq_create {
 319         struct be_cmd_req_hdr hdr;      /* dw[4] */
 320         u16 num_pages;          /* sword */
 321         u16 rsvd0;              /* sword */
 322         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 323         struct phys_addr pages[8];
 324 } __packed;
 325
 326 struct be_cmd_resp_eq_create {
 327         struct be_cmd_resp_hdr resp_hdr;
 328         u16 eq_id;              /* sword */
 329         u16 rsvd0;              /* sword */
 330 } __packed;
 331
 332 struct be_set_eqd {
 333         u32 eq_id;
 334         u32 phase;
 335         u32 delay_multiplier;
 336 } __packed;
 337
 338 struct mgmt_chap_format {
 339         u32 flags;
 340         u8  intr_chap_name[256];
 341         u8  intr_secret[16];
 342         u8  target_chap_name[256];
 343         u8  target_secret[16];
 344         u16 intr_chap_name_length;
 345         u16 intr_secret_length;
 346         u16 target_chap_name_length;
 347         u16 target_secret_length;
 348 } __packed;
 349
 350 struct mgmt_auth_method_format {
 351         u8      auth_method_type;
 352         u8      padding[3];
 353         struct  mgmt_chap_format chap;
 354 } __packed;
 355
 356 struct be_cmd_req_logout_fw_sess {
 357         struct be_cmd_req_hdr hdr;      /* dw[4] */
 358         uint32_t session_handle;
 359 } __packed;
 360
 361 struct be_cmd_resp_logout_fw_sess {
 362         struct be_cmd_resp_hdr hdr;     /* dw[4] */
 363         uint32_t session_status;
 364 #define BE_SESS_STATUS_CLOSE            0x20
 365 } __packed;
 366
 367 struct mgmt_conn_login_options {
 368         u8 flags;
 369         u8 header_digest;
 370         u8 data_digest;
 371         u8 rsvd0;
 372         u32 max_recv_datasegment_len_ini;
 373         u32 max_recv_datasegment_len_tgt;
 374         u32 tcp_mss;
 375         u32 tcp_window_size;
 376         struct  mgmt_auth_method_format auth_data;
 377 } __packed;
 378
 379 struct ip_addr_format {
 380         u16 size_of_structure;
 381         u8 reserved;
 382         u8 ip_type;
 383 #define BEISCSI_IP_TYPE_V4              0x1
 384 #define BEISCSI_IP_TYPE_STATIC_V4       0x3
 385 #define BEISCSI_IP_TYPE_DHCP_V4         0x5
 386 /* type v4 values < type v6 values */
 387 #define BEISCSI_IP_TYPE_V6              0x10
 388 #define BEISCSI_IP_TYPE_ROUTABLE_V6     0x30
 389 #define BEISCSI_IP_TYPE_LINK_LOCAL_V6   0x50
 390 #define BEISCSI_IP_TYPE_AUTO_V6         0x90
 391         u8 addr[16];
 392         u32 rsvd0;
 393 } __packed;
 394
 395 struct mgmt_conn_info {
 396         u32     connection_handle;
 397         u32     connection_status;
 398         u16     src_port;
 399         u16     dest_port;
 400         u16     dest_port_redirected;
 401         u16     cid;
 402         u32     estimated_throughput;
 403         struct  ip_addr_format  src_ipaddr;
 404         struct  ip_addr_format  dest_ipaddr;
 405         struct  ip_addr_format  dest_ipaddr_redirected;
 406         struct  mgmt_conn_login_options negotiated_login_options;
 407 } __packed;
 408
 409 struct mgmt_session_login_options {
 410         u8      flags;
 411         u8      error_recovery_level;
 412         u16     rsvd0;
 413         u32     first_burst_length;
 414         u32     max_burst_length;
 415         u16     max_connections;
 416         u16     max_outstanding_r2t;
 417         u16     default_time2wait;
 418         u16     default_time2retain;
 419 } __packed;
 420
 421 struct mgmt_session_info {
 422         u32     session_handle;
 423         u32     status;
 424         u8      isid[6];
 425         u16     tsih;
 426         u32     session_flags;
 427         u16     conn_count;
 428         u16     pad;
 429         u8      target_name[224];
 430         u8      initiator_iscsiname[224];
 431         struct  mgmt_session_login_options negotiated_login_options;
 432         struct  mgmt_conn_info  conn_list[1];
 433 } __packed;
 434
 435 struct be_cmd_get_session_req {
 436         struct be_cmd_req_hdr hdr;
 437         u32 session_handle;
 438 } __packed;
 439
 440 struct be_cmd_get_session_resp {
 441         struct be_cmd_resp_hdr hdr;
 442         struct mgmt_session_info session_info;
 443 } __packed;
 444
 445 struct mac_addr {
 446         u16 size_of_structure;
 447         u8 addr[ETH_ALEN];
 448 } __packed;
 449
 450 struct be_cmd_get_boot_target_req {
 451         struct be_cmd_req_hdr hdr;
 452 } __packed;
 453
 454 struct be_cmd_get_boot_target_resp {
 455         struct be_cmd_resp_hdr hdr;
 456         u32 boot_session_count;
 457         u32 boot_session_handle;
 458 /**
 459  * FW returns 0xffffffff if it couldn't establish connection with
 460  * configured boot target.
 461  */
 462 #define BE_BOOT_INVALID_SHANDLE 0xffffffff
 463 };
 464
 465 struct be_cmd_reopen_session_req {
 466         struct be_cmd_req_hdr hdr;
 467 #define BE_REOPEN_ALL_SESSIONS  0x00
 468 #define BE_REOPEN_BOOT_SESSIONS 0x01
 469 #define BE_REOPEN_A_SESSION     0x02
 470         u16 reopen_type;
 471         u16 rsvd;
 472         u32 session_handle;
 473 } __packed;
 474
 475 struct be_cmd_reopen_session_resp {
 476         struct be_cmd_resp_hdr hdr;
 477         u32 rsvd;
 478         u32 session_handle;
 479 } __packed;
 480
 481
 482 struct be_cmd_mac_query_req {
 483         struct be_cmd_req_hdr hdr;
 484         u8 type;
 485         u8 permanent;
 486         u16 if_id;
 487 } __packed;
 488
 489 struct be_cmd_get_mac_resp {
 490         struct be_cmd_resp_hdr hdr;
 491         struct mac_addr mac;
 492 };
 493
 494 struct be_ip_addr_subnet_format {
 495         u16 size_of_structure;
 496         u8 ip_type;
 497         u8 ipv6_prefix_length;
 498         u8 addr[16];
 499         u8 subnet_mask[16];
 500         u32 rsvd0;
 501 } __packed;
 502
 503 struct be_cmd_get_if_info_req {
 504         struct be_cmd_req_hdr hdr;
 505         u32 interface_hndl;
 506         u32 ip_type;
 507 } __packed;
 508
 509 struct be_cmd_get_if_info_resp {
 510         struct be_cmd_req_hdr hdr;
 511         u32 interface_hndl;
 512         u32 vlan_priority;
 513         u32 ip_addr_count;
 514         u32 dhcp_state;
 515         struct be_ip_addr_subnet_format ip_addr;
 516 } __packed;
 517
 518 struct be_ip_addr_record {
 519         u32 action;
 520         u32 interface_hndl;
 521         struct be_ip_addr_subnet_format ip_addr;
 522         u32 status;
 523 } __packed;
 524
 525 struct be_ip_addr_record_params {
 526         u32 record_entry_count;
 527         struct be_ip_addr_record ip_record;
 528 } __packed;
 529
 530 struct be_cmd_set_ip_addr_req {
 531         struct be_cmd_req_hdr hdr;
 532         struct be_ip_addr_record_params ip_params;
 533 } __packed;
 534
 535
 536 struct be_cmd_set_dhcp_req {
 537         struct be_cmd_req_hdr hdr;
 538         u32 interface_hndl;
 539         u32 ip_type;
 540         u32 flags;
 541         u32 retry_count;
 542 } __packed;
 543
 544 struct be_cmd_rel_dhcp_req {
 545         struct be_cmd_req_hdr hdr;
 546         u32 interface_hndl;
 547         u32 ip_type;
 548 } __packed;
 549
 550 struct be_cmd_set_def_gateway_req {
 551         struct be_cmd_req_hdr hdr;
 552         u32 action;
 553         struct ip_addr_format ip_addr;
 554 } __packed;
 555
 556 struct be_cmd_get_def_gateway_req {
 557         struct be_cmd_req_hdr hdr;
 558         u32 ip_type;
 559 } __packed;
 560
 561 struct be_cmd_get_def_gateway_resp {
 562         struct be_cmd_req_hdr hdr;
 563         struct ip_addr_format ip_addr;
 564 } __packed;
 565
 566 #define BEISCSI_VLAN_DISABLE    0xFFFF
 567 struct be_cmd_set_vlan_req {
 568         struct be_cmd_req_hdr hdr;
 569         u32 interface_hndl;
 570         u32 vlan_priority;
 571 } __packed;
 572 /******************** Create CQ ***************************/
 573 /**
 574  * Pseudo amap definition in which each bit of the actual structure is defined
 575  * as a byte - used to calculate offset/shift/mask of each field
 576  */
 577 struct amap_cq_context {
 578         u8 cidx[11];            /* dword 0 */
 579         u8 rsvd0;               /* dword 0 */
 580         u8 coalescwm[2];        /* dword 0 */
 581         u8 nodelay;             /* dword 0 */
 582         u8 epidx[11];           /* dword 0 */
 583         u8 rsvd1;               /* dword 0 */
 584         u8 count[2];            /* dword 0 */
 585         u8 valid;               /* dword 0 */
 586         u8 solevent;            /* dword 0 */
 587         u8 eventable;           /* dword 0 */
 588         u8 pidx[11];            /* dword 1 */
 589         u8 rsvd2;               /* dword 1 */
 590         u8 pd[10];              /* dword 1 */
 591         u8 eqid[8];             /* dword 1 */
 592         u8 stalled;             /* dword 1 */
 593         u8 armed;               /* dword 1 */
 594         u8 rsvd3[4];            /* dword 2 */
 595         u8 func[8];             /* dword 2 */
 596         u8 rsvd4[20];           /* dword 2 */
 597         u8 rsvd5[32];           /* dword 3 */
 598 } __packed;
 599
 600 struct amap_cq_context_v2 {
 601         u8 rsvd0[12];   /* dword 0 */
 602         u8 coalescwm[2];    /* dword 0 */
 603         u8 nodelay;     /* dword 0 */
 604         u8 rsvd1[12];   /* dword 0 */
 605         u8 count[2];    /* dword 0 */
 606         u8 valid;       /* dword 0 */
 607         u8 rsvd2;       /* dword 0 */
 608         u8 eventable;   /* dword 0 */
 609         u8 eqid[16];    /* dword 1 */
 610         u8 rsvd3[15];   /* dword 1 */
 611         u8 armed;       /* dword 1 */
 612         u8 cqecount[16];/* dword 2 */
 613         u8 rsvd4[16];   /* dword 2 */
 614         u8 rsvd5[32];   /* dword 3 */
 615 };
 616
 617 struct be_cmd_req_cq_create {
 618         struct be_cmd_req_hdr hdr;
 619         u16 num_pages;
 620         u8 page_size;
 621         u8 rsvd0;
 622         u8 context[sizeof(struct amap_cq_context) / 8];
 623         struct phys_addr pages[4];
 624 } __packed;
 625
 626 struct be_cmd_resp_cq_create {
 627         struct be_cmd_resp_hdr hdr;
 628         u16 cq_id;
 629         u16 rsvd0;
 630 } __packed;
 631
 632 /******************** Create MCCQ ***************************/
 633 /**
 634  * Pseudo amap definition in which each bit of the actual structure is defined
 635  * as a byte - used to calculate offset/shift/mask of each field
 636  */
 637 struct amap_mcc_context {
 638         u8 con_index[14];
 639         u8 rsvd0[2];
 640         u8 ring_size[4];
 641         u8 fetch_wrb;
 642         u8 fetch_r2t;
 643         u8 cq_id[10];
 644         u8 prod_index[14];
 645         u8 fid[8];
 646         u8 pdid[9];
 647         u8 valid;
 648         u8 rsvd1[32];
 649         u8 rsvd2[32];
 650 } __packed;
 651
 652 struct be_cmd_req_mcc_create_ext {
 653         struct be_cmd_req_hdr hdr;
 654         u16 num_pages;
 655         u16 rsvd0;
 656         u32 async_evt_bitmap;
 657         u8 context[sizeof(struct amap_mcc_context) / 8];
 658         struct phys_addr pages[8];
 659 } __packed;
 660
 661 struct be_cmd_resp_mcc_create {
 662         struct be_cmd_resp_hdr hdr;
 663         u16 id;
 664         u16 rsvd0;
 665 } __packed;
 666
 667 /******************** Q Destroy  ***************************/
 668 /* Type of Queue to be destroyed */
 669 enum {
 670         QTYPE_EQ = 1,
 671         QTYPE_CQ,
 672         QTYPE_MCCQ,
 673         QTYPE_WRBQ,
 674         QTYPE_DPDUQ,
 675         QTYPE_SGL
 676 };
 677
 678 struct be_cmd_req_q_destroy {
 679         struct be_cmd_req_hdr hdr;
 680         u16 id;
 681         u16 bypass_flush;       /* valid only for rx q destroy */
 682 } __packed;
 683
 684 struct macaddr {
 685         u8 byte[ETH_ALEN];
 686 };
 687
 688 struct be_cmd_req_mcast_mac_config {
 689         struct be_cmd_req_hdr hdr;
 690         u16 num_mac;
 691         u8 promiscuous;
 692         u8 interface_id;
 693         struct macaddr mac[32];
 694 } __packed;
 695
 696 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 697 {
 698         return wrb->payload.embedded_payload;
 699 }
 700
 701 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 702 {
 703         return &wrb->payload.sgl[0];
 704 }
 705
 706 /******************** Modify EQ Delay *******************/
 707 struct be_cmd_req_modify_eq_delay {
 708         struct be_cmd_req_hdr hdr;
 709         __le32 num_eq;
 710         struct {
 711                 __le32 eq_id;
 712                 __le32 phase;
 713                 __le32 delay_multiplier;
 714         } delay[MAX_CPUS];
 715 } __packed;
 716
 717 /******************** Get MAC ADDR *******************/
 718
 719 struct be_cmd_get_nic_conf_resp {
 720         struct be_cmd_resp_hdr hdr;
 721         u32 nic_port_count;
 722         u32 speed;
 723         u32 max_speed;
 724         u32 link_state;
 725         u32 max_frame_size;
 726         u16 size_of_structure;
 727         u8 mac_address[ETH_ALEN];
 728 } __packed;
 729
 730 /******************** Get HBA NAME *******************/
 731
 732 struct be_cmd_hba_name {
 733         struct be_cmd_req_hdr hdr;
 734         u16 flags;
 735         u16 rsvd0;
 736         u8 initiator_name[ISCSI_NAME_LEN];
 737 #define BE_INI_ALIAS_LEN 32
 738         u8 initiator_alias[BE_INI_ALIAS_LEN];
 739 } __packed;
 740
 741 /******************** COMMON SET HOST DATA *******************/
 742 #define BE_CMD_SET_HOST_PARAM_ID        0x2
 743 #define BE_CMD_MAX_DRV_VERSION          0x30
 744 struct be_sethost_req {
 745         u32 param_id;
 746         u32 param_len;
 747         u32 param_data[32];
 748 };
 749
 750 struct be_sethost_resp {
 751         u32 rsvd0;
 752 };
 753
 754 struct be_cmd_set_host_data {
 755         union {
 756                 struct be_cmd_req_hdr req_hdr;
 757                 struct be_cmd_resp_hdr resp_hdr;
 758         } h;
 759         union {
 760                 struct be_sethost_req req;
 761                 struct be_sethost_resp resp;
 762         } param;
 763 } __packed;
 764
 765 /******************** COMMON SET Features *******************/
 766 #define BE_CMD_SET_FEATURE_UER  0x10
 767 #define BE_CMD_UER_SUPP_BIT     0x1
 768 struct be_uer_req {
 769         u32 uer;
 770         u32 rsvd;
 771 };
 772
 773 struct be_uer_resp {
 774         u32 uer;
 775         u16 ue2rp;
 776         u16 ue2sr;
 777 };
 778
 779 struct be_cmd_set_features {
 780         union {
 781                 struct be_cmd_req_hdr req_hdr;
 782                 struct be_cmd_resp_hdr resp_hdr;
 783         } h;
 784         u32 feature;
 785         u32 param_len;
 786         union {
 787                 struct be_uer_req req;
 788                 struct be_uer_resp resp;
 789                 u32 rsvd[2];
 790         } param;
 791 } __packed;
 792
 793 int beiscsi_cmd_function_reset(struct beiscsi_hba *phba);
 794
 795 int beiscsi_cmd_special_wrb(struct be_ctrl_info *ctrl, u32 load);
 796
 797 int beiscsi_check_fw_rdy(struct beiscsi_hba *phba);
 798
 799 int beiscsi_init_sliport(struct beiscsi_hba *phba);
 800
 801 int beiscsi_cmd_iscsi_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num);
 802
 803 int beiscsi_detect_ue(struct beiscsi_hba *phba);
 804
 805 int beiscsi_detect_tpe(struct beiscsi_hba *phba);
 806
 807 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 808                           struct be_queue_info *eq, int eq_delay);
 809
 810 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 811                           struct be_queue_info *cq, struct be_queue_info *eq,
 812                           bool sol_evts, bool no_delay,
 813                           int num_cqe_dma_coalesce);
 814
 815 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 816                           int type);
 817 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 818                         struct be_queue_info *mccq,
 819                         struct be_queue_info *cq);
 820
 821 void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag);
 822
 823 int beiscsi_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
 824                             int num);
 825 int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
 826                             unsigned int tag,
 827                             struct be_mcc_wrb **wrb,
 828                             struct be_dma_mem *mbx_cmd_mem);
 829 int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
 830                                unsigned int tag,
 831                                struct be_mcc_wrb **wrb,
 832                                struct be_dma_mem *mbx_cmd_mem);
 833 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 834 void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
 835 struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
 836                                  unsigned int *ref_tag);
 837 void beiscsi_process_async_event(struct beiscsi_hba *phba,
 838                                 struct be_mcc_compl *compl);
 839 int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
 840                               struct be_mcc_compl *compl);
 841
 842 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 843                                     struct be_queue_info *cq,
 844                                     struct be_queue_info *dq, int length,
 845                                     int entry_size, uint8_t is_header,
 846                                     uint8_t ulp_num);
 847
 848 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 849                                     struct be_dma_mem *q_mem);
 850
 851 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 852
 853 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 854                                 struct be_dma_mem *q_mem, u32 page_offset,
 855                                 u32 num_pages);
 856
 857 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 858                        struct be_queue_info *wrbq,
 859                        struct hwi_wrb_context *pwrb_context,
 860                        uint8_t ulp_num);
 861
 862 /* Configuration Functions */
 863 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 864
 865 int beiscsi_check_supported_fw(struct be_ctrl_info *ctrl,
 866                                struct beiscsi_hba *phba);
 867
 868 int beiscsi_get_fw_config(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
 869
 870 int beiscsi_get_port_name(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
 871
 872 int beiscsi_set_uer_feature(struct beiscsi_hba *phba);
 873 int beiscsi_set_host_data(struct beiscsi_hba *phba);
 874
 875 struct be_default_pdu_context {
 876         u32 dw[4];
 877 } __packed;
 878
 879 struct amap_be_default_pdu_context {
 880         u8 dbuf_cindex[13];     /* dword 0 */
 881         u8 rsvd0[3];            /* dword 0 */
 882         u8 ring_size[4];        /* dword 0 */
 883         u8 ring_state[4];       /* dword 0 */
 884         u8 rsvd1[8];            /* dword 0 */
 885         u8 dbuf_pindex[13];     /* dword 1 */
 886         u8 rsvd2;               /* dword 1 */
 887         u8 pci_func_id[8];      /* dword 1 */
 888         u8 rx_pdid[9];          /* dword 1 */
 889         u8 rx_pdid_valid;       /* dword 1 */
 890         u8 default_buffer_size[16];     /* dword 2 */
 891         u8 cq_id_recv[10];      /* dword 2 */
 892         u8 rx_pdid_not_valid;   /* dword 2 */
 893         u8 rsvd3[5];            /* dword 2 */
 894         u8 rsvd4[32];           /* dword 3 */
 895 } __packed;
 896
 897 struct amap_default_pdu_context_ext {
 898         u8 rsvd0[16];   /* dword 0 */
 899         u8 ring_size[4];    /* dword 0 */
 900         u8 rsvd1[12];   /* dword 0 */
 901         u8 rsvd2[22];   /* dword 1 */
 902         u8 rx_pdid[9];  /* dword 1 */
 903         u8 rx_pdid_valid;   /* dword 1 */
 904         u8 default_buffer_size[16]; /* dword 2 */
 905         u8 cq_id_recv[16];  /* dword 2 */
 906         u8 rsvd3[32];   /* dword 3 */
 907 } __packed;
 908
 909 struct be_defq_create_req {
 910         struct be_cmd_req_hdr hdr;
 911         u16 num_pages;
 912         u8 ulp_num;
 913 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 914 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 915         u8 dua_feature;
 916         struct be_default_pdu_context context;
 917         struct phys_addr pages[8];
 918 } __packed;
 919
 920 struct be_defq_create_resp {
 921         struct be_cmd_req_hdr hdr;
 922         u16 id;
 923         u8 rsvd0;
 924         u8 ulp_num;
 925         u32 doorbell_offset;
 926         u16 register_set;
 927         u16 doorbell_format;
 928 } __packed;
 929
 930 struct be_post_template_pages_req {
 931         struct be_cmd_req_hdr hdr;
 932         u16 num_pages;
 933 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 934         u16 type;
 935         struct phys_addr scratch_pa;
 936         struct virt_addr scratch_va;
 937         struct virt_addr pages_va;
 938         struct phys_addr pages[16];
 939 } __packed;
 940
 941 struct be_remove_template_pages_req {
 942         struct be_cmd_req_hdr hdr;
 943         u16 type;
 944         u16 rsvd0;
 945 } __packed;
 946
 947 struct be_post_sgl_pages_req {
 948         struct be_cmd_req_hdr hdr;
 949         u16 num_pages;
 950         u16 page_offset;
 951         u32 rsvd0;
 952         struct phys_addr pages[26];
 953         u32 rsvd1;
 954 } __packed;
 955
 956 struct be_wrbq_create_req {
 957         struct be_cmd_req_hdr hdr;
 958         u16 num_pages;
 959         u8 ulp_num;
 960         u8 dua_feature;
 961         struct phys_addr pages[8];
 962 } __packed;
 963
 964 struct be_wrbq_create_resp {
 965         struct be_cmd_resp_hdr resp_hdr;
 966         u16 cid;
 967         u8 rsvd0;
 968         u8 ulp_num;
 969         u32 doorbell_offset;
 970         u16 register_set;
 971         u16 doorbell_format;
 972 } __packed;
 973
 974 #define SOL_CID_MASK            0x0000FFC0
 975 #define SOL_CODE_MASK           0x0000003F
 976 #define SOL_WRB_INDEX_MASK      0x00FF0000
 977 #define SOL_CMD_WND_MASK        0xFF000000
 978 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 979 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 980 #define SOL_HW_STS_MASK         0x000000FF
 981 #define SOL_STS_MASK            0x0000FF00
 982 #define SOL_RESP_MASK           0x00FF0000
 983 #define SOL_FLAGS_MASK          0x7F000000
 984 #define SOL_S_MASK              0x80000000
 985
 986 struct sol_cqe {
 987         u32 dw[4];
 988 };
 989
 990 struct amap_sol_cqe {
 991         u8 hw_sts[8];           /* dword 0 */
 992         u8 i_sts[8];            /* dword 0 */
 993         u8 i_resp[8];           /* dword 0 */
 994         u8 i_flags[7];          /* dword 0 */
 995         u8 s;                   /* dword 0 */
 996         u8 i_exp_cmd_sn[32];    /* dword 1 */
 997         u8 code[6];             /* dword 2 */
 998         u8 cid[10];             /* dword 2 */
 999         u8 wrb_index[8];        /* dword 2 */
1000         u8 i_cmd_wnd[8];        /* dword 2 */
1001         u8 i_res_cnt[31];       /* dword 3 */
1002         u8 valid;               /* dword 3 */
1003 } __packed;
1004
1005 #define SOL_ICD_INDEX_MASK      0x0003FFC0
1006 struct amap_sol_cqe_ring {
1007         u8 hw_sts[8];           /* dword 0 */
1008         u8 i_sts[8];            /* dword 0 */
1009         u8 i_resp[8];           /* dword 0 */
1010         u8 i_flags[7];          /* dword 0 */
1011         u8 s;                   /* dword 0 */
1012         u8 i_exp_cmd_sn[32];    /* dword 1 */
1013         u8 code[6];             /* dword 2 */
1014         u8 icd_index[12];       /* dword 2 */
1015         u8 rsvd[6];             /* dword 2 */
1016         u8 i_cmd_wnd[8];        /* dword 2 */
1017         u8 i_res_cnt[31];       /* dword 3 */
1018         u8 valid;               /* dword 3 */
1019 } __packed;
1020
1021 struct amap_sol_cqe_v2 {
1022         u8 hw_sts[8];   /* dword 0 */
1023         u8 i_sts[8];    /* dword 0 */
1024         u8 wrb_index[16];   /* dword 0 */
1025         u8 i_exp_cmd_sn[32];    /* dword 1 */
1026         u8 code[6]; /* dword 2 */
1027         u8 cmd_cmpl;    /* dword 2 */
1028         u8 rsvd0;   /* dword 2 */
1029         u8 i_cmd_wnd[8];    /* dword 2 */
1030         u8 cid[13]; /* dword 2 */
1031         u8 u;   /* dword 2 */
1032         u8 o;   /* dword 2 */
1033         u8 s;   /* dword 2 */
1034         u8 i_res_cnt[31];   /* dword 3 */
1035         u8 valid;   /* dword 3 */
1036 } __packed;
1037
1038 struct common_sol_cqe {
1039         u32 exp_cmdsn;
1040         u32 res_cnt;
1041         u16 wrb_index;
1042         u16 cid;
1043         u8 hw_sts;
1044         u8 cmd_wnd;
1045         u8 res_flag; /* the s feild of structure */
1046         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
1047         u8 i_flags; /* for skh or the u and o feilds */
1048         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
1049 };
1050
1051 /*** iSCSI ack/driver message completions ***/
1052 struct amap_it_dmsg_cqe {
1053         u8 ack_num[32]; /* DWORD 0 */
1054         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
1055         u8 code[6]; /* DWORD 2 */
1056         u8 cid[10]; /* DWORD 2 */
1057         u8 wrb_idx[8];  /* DWORD 2 */
1058         u8 rsvd0[8];    /* DWORD 2*/
1059         u8 rsvd1[31];   /* DWORD 3*/
1060         u8 valid;   /* DWORD 3 */
1061 } __packed;
1062
1063 struct amap_it_dmsg_cqe_v2 {
1064         u8 ack_num[32]; /* DWORD 0 */
1065         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
1066         u8 code[6]; /* DWORD 2 */
1067         u8 rsvd0[10];   /* DWORD 2 */
1068         u8 wrb_idx[16]; /* DWORD 2 */
1069         u8 rsvd1[16];   /* DWORD 3 */
1070         u8 cid[13]; /* DWORD 3 */
1071         u8 rsvd2[2];    /* DWORD 3 */
1072         u8 valid;   /* DWORD 3 */
1073 } __packed;
1074
1075
1076 /**
1077  * Post WRB Queue Doorbell Register used by the host Storage
1078  * stack to notify the
1079  * controller of a posted Work Request Block
1080  */
1081 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
1082 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
1083
1084 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
1085 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
1086
1087 struct fragnum_bits_for_sgl_cra_in {
1088         struct be_cmd_req_hdr hdr;
1089         u32 num_bits;
1090 } __packed;
1091
1092 struct iscsi_cleanup_req {
1093         struct be_cmd_req_hdr hdr;
1094         u16 chute;
1095         u8 hdr_ring_id;
1096         u8 data_ring_id;
1097 } __packed;
1098
1099 struct iscsi_cleanup_req_v1 {
1100         struct be_cmd_req_hdr hdr;
1101         u16 chute;
1102         u16 rsvd1;
1103         u16 hdr_ring_id;
1104         u16 rsvd2;
1105         u16 data_ring_id;
1106         u16 rsvd3;
1107 } __packed;
1108
1109 struct eq_delay {
1110         u32 eq_id;
1111         u32 phase;
1112         u32 delay_multiplier;
1113 } __packed;
1114
1115 struct be_eq_delay_params_in {
1116         struct be_cmd_req_hdr hdr;
1117         u32 num_eq;
1118         struct eq_delay delay[8];
1119 } __packed;
1120
1121 struct tcp_connect_and_offload_in {
1122         struct be_cmd_req_hdr hdr;
1123         struct ip_addr_format ip_address;
1124         u16 tcp_port;
1125         u16 cid;
1126         u16 cq_id;
1127         u16 defq_id;
1128         struct phys_addr dataout_template_pa;
1129         u16 hdr_ring_id;
1130         u16 data_ring_id;
1131         u8 do_offload;
1132         u8 rsvd0[3];
1133 } __packed;
1134
1135 struct tcp_connect_and_offload_in_v1 {
1136         struct be_cmd_req_hdr hdr;
1137         struct ip_addr_format ip_address;
1138         u16 tcp_port;
1139         u16 cid;
1140         u16 cq_id;
1141         u16 defq_id;
1142         struct phys_addr dataout_template_pa;
1143         u16 hdr_ring_id;
1144         u16 data_ring_id;
1145         u8 do_offload;
1146         u8 ifd_state;
1147         u8 rsvd0[2];
1148         u16 tcp_window_size;
1149         u8 tcp_window_scale_count;
1150         u8 rsvd1;
1151         u32 tcp_mss:24;
1152         u8 rsvd2;
1153 } __packed;
1154
1155 struct tcp_connect_and_offload_out {
1156         struct be_cmd_resp_hdr hdr;
1157         u32 connection_handle;
1158         u16 cid;
1159         u16 rsvd0;
1160
1161 } __packed;
1162
1163 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1164 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1165 #define DB_DEF_PDU_REARM_SHIFT          14
1166 #define DB_DEF_PDU_EVENT_SHIFT          15
1167 #define DB_DEF_PDU_CQPROC_SHIFT         16
1168
1169 struct be_invalidate_connection_params_in {
1170         struct be_cmd_req_hdr hdr;
1171         u32 session_handle;
1172         u16 cid;
1173         u16 unused;
1174 #define BE_CLEANUP_TYPE_INVALIDATE      0x8001
1175 #define BE_CLEANUP_TYPE_ISSUE_TCP_RST   0x8002
1176         u16 cleanup_type;
1177         u16 save_cfg;
1178 } __packed;
1179
1180 struct be_invalidate_connection_params_out {
1181         u32 session_handle;
1182         u16 cid;
1183         u16 unused;
1184 } __packed;
1185
1186 union be_invalidate_connection_params {
1187         struct be_invalidate_connection_params_in req;
1188         struct be_invalidate_connection_params_out resp;
1189 } __packed;
1190
1191 struct be_tcp_upload_params_in {
1192         struct be_cmd_req_hdr hdr;
1193         u16 id;
1194 #define BE_UPLOAD_TYPE_GRACEFUL         1
1195 /* abortive upload with reset */
1196 #define BE_UPLOAD_TYPE_ABORT_RESET      2
1197 /* abortive upload without reset */
1198 #define BE_UPLOAD_TYPE_ABORT            3
1199 /* abortive upload with reset, sequence number by driver */
1200 #define BE_UPLOAD_TYPE_ABORT_WITH_SEQ   4
1201         u16 upload_type;
1202         u32 reset_seq;
1203 } __packed;
1204
1205 struct be_tcp_upload_params_out {
1206         u32 dw[32];
1207 } __packed;
1208
1209 union be_tcp_upload_params {
1210         struct be_tcp_upload_params_in request;
1211         struct be_tcp_upload_params_out response;
1212 } __packed;
1213
1214 struct be_ulp_fw_cfg {
1215 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1216         u32 ulp_mode;
1217         u32 etx_base;
1218         u32 etx_count;
1219         u32 sq_base;
1220         u32 sq_count;
1221         u32 rq_base;
1222         u32 rq_count;
1223         u32 dq_base;
1224         u32 dq_count;
1225         u32 lro_base;
1226         u32 lro_count;
1227         u32 icd_base;
1228         u32 icd_count;
1229 };
1230
1231 struct be_ulp_chain_icd {
1232         u32 chain_base;
1233         u32 chain_count;
1234 };
1235
1236 struct be_fw_cfg {
1237         struct be_cmd_req_hdr hdr;
1238         u32 be_config_number;
1239         u32 asic_revision;
1240         u32 phys_port;
1241 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1242 #define BEISCSI_FUNC_DUA_MODE   0x800
1243         u32 function_mode;
1244         struct be_ulp_fw_cfg ulp[2];
1245         u32 function_caps;
1246         u32 cqid_base;
1247         u32 cqid_count;
1248         u32 eqid_base;
1249         u32 eqid_count;
1250         struct be_ulp_chain_icd chain_icd[2];
1251 } __packed;
1252
1253 struct be_cmd_get_all_if_id_req {
1254         struct be_cmd_req_hdr hdr;
1255         u32 if_count;
1256         u32 if_hndl_list[1];
1257 } __packed;
1258
1259 struct be_cmd_get_port_name {
1260         union {
1261                 struct be_cmd_req_hdr req_hdr;
1262                 struct be_cmd_resp_hdr resp_hdr;
1263         } h;
1264         union {
1265                 struct {
1266                         u32 reserved;
1267                 } req;
1268                 struct {
1269                         u32 port_names;
1270                 } resp;
1271         } p;
1272 } __packed;
1273
1274 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1275 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1276 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1277 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1278 #define OPCODE_COMMON_TCP_UPLOAD                56
1279 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1280 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1281 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1282 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1283 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1284 #define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET   24
1285 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1286 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1287 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1288 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1289 #define OPCODE_COMMON_WRITE_FLASH               96
1290 #define OPCODE_COMMON_READ_FLASH                97
1291
1292 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1293
1294 #define INI_WR_CMD                      1       /* Initiator write command */
1295 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1296 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1297 #define INI_RD_CMD                      5       /* Initiator requesting to send
1298                                                  * a read command
1299                                                  */
1300 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1301 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1302                                                  * prepared by driver should not
1303                                                  * be touched.
1304                                                  */
1305
1306 /* Returns the number of items in the field array. */
1307 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1308         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1309
1310 /**
1311  * Different types of iSCSI completions to host driver for both initiator
1312  * and taget mode
1313  * of operation.
1314  */
1315 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1316                                                  * normally
1317                                                  */
1318 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1319                                                  * invalidated internally due
1320                                                  * to Data Digest error
1321                                                  */
1322 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1323                                                  * internally
1324                                                  * due to a received PDU
1325                                                  * size > DSL
1326                                                  */
1327 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1328                                                  * internally due ti received
1329                                                  * PDU sequence size >
1330                                                  * FBL/MBL.
1331                                                  */
1332 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1333                                                  * internally due to a received
1334                                                  * PDU Hdr that has
1335                                                  * AHS */
1336 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1337                                                  * internally due to Hdr Digest
1338                                                  * error
1339                                                  */
1340 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1341                                                  *  internally
1342                                                  * due to a bad opcode in the
1343                                                  * pdu hdr
1344                                                  */
1345 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1346                                                  * internally due to a received
1347                                                  * ITT/TTT that does not belong
1348                                                  * to this Connection
1349                                                  */
1350 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1351                                                  * internally due to received
1352                                                  * ITT/TTT value > Max
1353                                                  * Supported ITTs/TTTs
1354                                                  */
1355 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1356                                                  * internally due to an
1357                                                  * incoming TCP RST
1358                                                  */
1359 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1360                                                  * internally due to timeout on
1361                                                  * tcp segment 12 retransmit
1362                                                  * attempts failed
1363                                                  */
1364 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1365                                                  * internally due to TCP RST
1366                                                  * sent by the Tx side
1367                                                  */
1368 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1369                                                  * internally due to an
1370                                                  * incoming TCP FIN.
1371                                                  */
1372 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1373                                                  * internally due to bad
1374                                                  * unsolicited PDU Unsolicited
1375                                                  * PDUs are PDUs with
1376                                                  * ITT=0xffffffff
1377                                                  */
1378 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1379                                                  * internally due to bad WRB
1380                                                  * index.
1381                                                  */
1382 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1383                                                  * internally due to received
1384                                                  * command has residual
1385                                                  * over run bytes.
1386                                                  */
1387 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1388                                                  * internally due to received
1389                                                  * command has residual under
1390                                                  * run bytes.
1391                                                  */
1392 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1393                                                  * internally due to a received
1394                                                  * PDU has an invalid StatusSN
1395                                                  */
1396 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1397                                                  * internally due to a received
1398                                                  * an R2T with some invalid
1399                                                  * fields in it
1400                                                  */
1401 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1402                                                  * internally due to received
1403                                                  * PDU has an invalid LUN.
1404                                                  */
1405 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1406                                                  * internally due to the
1407                                                  * corresponding ICD not in a
1408                                                  * valid state
1409                                                  */
1410 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1411                                                  *  to received PDU has an
1412                                                  *  invalid ITT.
1413                                                  */
1414 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1415                                                  * to received sequence buffer
1416                                                  * offset is out of order.
1417                                                  */
1418 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1419                                                  * internally due to a
1420                                                  * received PDU has an invalid
1421                                                  * DataSN
1422                                                  */
1423 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1424                                                  * completion notify.
1425                                                  */
1426 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1427                                                  * completion
1428                                                  * with data PDU index.
1429                                                  */
1430 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1431                                                  * completionnotifify.
1432                                                  */
1433 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1434 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1435 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1436                                                  * error notify.
1437                                                  */
1438 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1439                                                  * notification.
1440                                                  */
1441 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1442                                                   * internally due to command
1443                                                   * and data are not on same
1444                                                   * connection.
1445                                                   */
1446 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1447                                                  *  invalidated internally due
1448                                                  *  to DIF error
1449                                                  */
1450 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1451                                                  * internally due to incoming
1452                                                  * TCP SYN
1453                                                  */
1454 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1455                                                  * internally due to an
1456                                                  * incoming Unsolicited PDU
1457                                                  * that has immediate data on
1458                                                  * the cxn
1459                                                  */
1460
1461 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, u32 payload_len,
1462                         bool embedded, u8 sge_cnt);
1463
1464 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1465                         u8 subsystem, u8 opcode, u32 cmd_len);
1466 #endif /* !BEISCSI_CMDS_H */