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