drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2016 Broadcom
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Contact Information:
  11  * linux-drivers@broadcom.com
  12  *
  13  * Emulex
  14  * 3333 Susan Street
  15  * Costa Mesa, CA 92626
  16  */
  17
  18 #ifndef BEISCSI_CMDS_H
  19 #define BEISCSI_CMDS_H
  20
  21 /**
  22  * The driver sends configuration and managements command requests to the
  23  * firmware in the BE. These requests are communicated to the processor
  24  * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
  25  * WRB inside a MAILBOX.
  26  * The commands are serviced by the ARM processor in the OneConnect's MPU.
  27  */
  28 struct be_sge {
  29         __le32 pa_lo;
  30         __le32 pa_hi;
  31         __le32 len;
  32 };
  33
  34 #define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
  35 #define MCC_WRB_SGE_CNT_MASK 0x1F       /* bits 3 - 7 of dword 0 */
  36 struct be_mcc_wrb {
  37         u32 embedded;           /* dword 0 */
  38         u32 payload_length;     /* dword 1 */
  39         u32 tag0;               /* dword 2 */
  40         u32 tag1;               /* dword 3 */
  41         u32 rsvd;               /* dword 4 */
  42         union {
  43 #define EMBED_MBX_MAX_PAYLOAD_SIZE  220
  44                 u8 embedded_payload[236];       /* used by embedded cmds */
  45                 struct be_sge sgl[19];  /* used by non-embedded cmds */
  46         } payload;
  47 };
  48
  49 #define CQE_FLAGS_VALID_MASK (1 << 31)
  50 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
  51 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
  52 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
  53
  54 /* Completion Status */
  55 #define MCC_STATUS_SUCCESS 0x0
  56 #define MCC_STATUS_FAILED 0x1
  57 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
  58 #define MCC_STATUS_ILLEGAL_FIELD 0x3
  59 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
  60 #define MCC_STATUS_INVALID_LENGTH 0x74
  61
  62 #define CQE_STATUS_COMPL_MASK   0xFFFF
  63 #define CQE_STATUS_COMPL_SHIFT  0               /* bits 0 - 15 */
  64 #define CQE_STATUS_EXTD_MASK    0xFFFF
  65 #define CQE_STATUS_EXTD_SHIFT   16              /* bits 31 - 16 */
  66 #define CQE_STATUS_ADDL_MASK    0xFF00
  67 #define CQE_STATUS_ADDL_SHIFT   8
  68 #define CQE_STATUS_MASK         0xFF
  69 #define CQE_STATUS_WRB_MASK     0xFF0000
  70 #define CQE_STATUS_WRB_SHIFT    16
  71
  72 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  73 #define BEISCSI_FW_MBX_TIMEOUT  100
  74
  75 /* MBOX Command VER */
  76 #define MBX_CMD_VER1    0x01
  77 #define MBX_CMD_VER2    0x02
  78
  79 struct be_mcc_compl {
  80         u32 status;             /* dword 0 */
  81         u32 tag0;               /* dword 1 */
  82         u32 tag1;               /* dword 2 */
  83         u32 flags;              /* dword 3 */
  84 };
  85
  86 /********* Mailbox door bell *************/
  87 /**
  88  * Used for driver communication with the FW.
  89  * The software must write this register twice to post any command. First,
  90  * it writes the register with hi=1 and the upper bits of the physical address
  91  * for the MAILBOX structure. Software must poll the ready bit until this
  92  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  93  * bits in the address. It must poll the ready bit until the command is
  94  * complete. Upon completion, the MAILBOX will contain a valid completion
  95  * queue entry.
  96  */
  97 #define MPU_MAILBOX_DB_OFFSET   0x160
  98 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  99 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
 100
 101 /********** MPU semphore: used for SH & BE ******************/
 102 #define SLIPORT_SOFTRESET_OFFSET                0x5c    /* CSR BAR offset */
 103 #define SLIPORT_SEMAPHORE_OFFSET_BEx            0xac    /* CSR BAR offset */
 104 #define SLIPORT_SEMAPHORE_OFFSET_SH             0x94    /* PCI-CFG offset */
 105 #define POST_STAGE_MASK                         0x0000FFFF
 106 #define POST_ERROR_BIT                          0x80000000
 107 #define POST_ERR_RECOVERY_CODE_MASK             0xF000
 108
 109 /* Soft Reset register masks */
 110 #define SLIPORT_SOFTRESET_SR_MASK               0x00000080      /* SR bit */
 111
 112 /* MPU semphore POST stage values */
 113 #define POST_STAGE_AWAITING_HOST_RDY    0x1 /* FW awaiting goahead from host */
 114 #define POST_STAGE_HOST_RDY             0x2 /* Host has given go-ahed to FW */
 115 #define POST_STAGE_BE_RESET             0x3 /* Host wants to reset chip */
 116 #define POST_STAGE_ARMFW_RDY            0xC000 /* FW is done with POST */
 117 #define POST_STAGE_RECOVERABLE_ERR      0xE000 /* Recoverable err detected */
 118
 119 /********** MCC door bell ************/
 120 #define DB_MCCQ_OFFSET 0x140
 121 #define DB_MCCQ_RING_ID_MASK 0xFFFF             /* bits 0 - 15 */
 122 /* Number of entries posted */
 123 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 124
 125 /**
 126  * When the async bit of mcc_compl is set, the last 4 bytes of
 127  * mcc_compl is interpreted as follows:
 128  */
 129 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 130 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 131 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 132 #define ASYNC_EVENT_CODE_ISCSI          0x4
 133 #define ASYNC_EVENT_CODE_SLI            0x11
 134
 135 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT  16      /* bits 16 - 23 */
 136 #define ASYNC_TRAILER_EVENT_TYPE_MASK   0xFF
 137
 138 /* iSCSI events */
 139 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC  0x4
 140 #define ASYNC_EVENT_NEW_ISCSI_CONN      0x5
 141 #define ASYNC_EVENT_NEW_TCP_CONN        0x7
 142
 143 /* SLI events */
 144 #define ASYNC_SLI_EVENT_TYPE_MISCONFIGURED      0x9
 145 #define ASYNC_SLI_LINK_EFFECT_VALID(le)         (le & 0x80)
 146 #define ASYNC_SLI_LINK_EFFECT_SEV(le)           ((le >> 1)  & 0x03)
 147 #define ASYNC_SLI_LINK_EFFECT_STATE(le)         (le & 0x01)
 148
 149 struct be_async_event_trailer {
 150         u32 code;
 151 };
 152
 153 enum {
 154         ASYNC_EVENT_LINK_DOWN = 0x0,
 155         ASYNC_EVENT_LINK_UP = 0x1,
 156 };
 157
 158 /**
 159  * When the event code of an async trailer is link-state, the mcc_compl
 160  * must be interpreted as follows
 161  */
 162 struct be_async_event_link_state {
 163         u8 physical_port;
 164         u8 port_link_status;
 165 /**
 166  * ASYNC_EVENT_LINK_DOWN                0x0
 167  * ASYNC_EVENT_LINK_UP                  0x1
 168  * ASYNC_EVENT_LINK_LOGICAL_DOWN        0x2
 169  * ASYNC_EVENT_LINK_LOGICAL_UP          0x3
 170  */
 171 #define BE_ASYNC_LINK_UP_MASK           0x01
 172         u8 port_duplex;
 173         u8 port_speed;
 174 /* BE2ISCSI_LINK_SPEED_ZERO     0x00 - no link */
 175 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 176 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 177 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 178 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 179 #define BE2ISCSI_LINK_SPEED_25GBPS      0x06
 180 #define BE2ISCSI_LINK_SPEED_40GBPS      0x07
 181         u8 port_fault;
 182         u8 event_reason;
 183         u16 qos_link_speed;
 184         u32 event_tag;
 185         struct be_async_event_trailer trailer;
 186 } __packed;
 187
 188 /**
 189  * When async-trailer is SLI event, mcc_compl is interpreted as
 190  */
 191 struct be_async_event_sli {
 192         u32 event_data1;
 193         u32 event_data2;
 194         u32 reserved;
 195         u32 trailer;
 196 } __packed;
 197
 198 struct be_mcc_mailbox {
 199         struct be_mcc_wrb wrb;
 200         struct be_mcc_compl compl;
 201 };
 202
 203 /* Type of subsystems supported by FW */
 204 #define CMD_SUBSYSTEM_COMMON    0x1
 205 #define CMD_SUBSYSTEM_ISCSI     0x2
 206 #define CMD_SUBSYSTEM_ETH       0x3
 207 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 208 #define CMD_COMMON_TCP_UPLOAD   0x1
 209
 210 /**
 211  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 212  * These opcodes are unique for each subsystem defined above
 213  */
 214 #define OPCODE_COMMON_CQ_CREATE                         12
 215 #define OPCODE_COMMON_EQ_CREATE                         13
 216 #define OPCODE_COMMON_MCC_CREATE                        21
 217 #define OPCODE_COMMON_MCC_CREATE_EXT                    90
 218 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 219 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 220 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 221 #define OPCODE_COMMON_GET_FW_VERSION                    35
 222 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 223 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 224 #define OPCODE_COMMON_MCC_DESTROY                       53
 225 #define OPCODE_COMMON_CQ_DESTROY                        54
 226 #define OPCODE_COMMON_EQ_DESTROY                        55
 227 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 228 #define OPCODE_COMMON_FUNCTION_RESET                    61
 229 #define OPCODE_COMMON_GET_PORT_NAME                     77
 230 #define OPCODE_COMMON_SET_FEATURES                      191
 231
 232 /**
 233  * LIST of opcodes that are common between Initiator and Target
 234  * used by CMD_SUBSYSTEM_ISCSI
 235  * These opcodes are unique for each subsystem defined above
 236  */
 237 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 238 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 239 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 240 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 241 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 242 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 243 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 244 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 245 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 246 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 247 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 248 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 249 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 250 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 251 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 252 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 253
 254 struct be_cmd_req_hdr {
 255         u8 opcode;              /* dword 0 */
 256         u8 subsystem;           /* dword 0 */
 257         u8 port_number;         /* dword 0 */
 258         u8 domain;              /* dword 0 */
 259         u32 timeout;            /* dword 1 */
 260         u32 request_length;     /* dword 2 */
 261         u8 version;             /* dword 3 */
 262         u8 rsvd0[3];            /* dword 3 */
 263 };
 264
 265 struct be_cmd_resp_hdr {
 266         u32 info;               /* dword 0 */
 267         u32 status;             /* dword 1 */
 268         u32 response_length;    /* dword 2 */
 269         u32 actual_resp_len;    /* dword 3 */
 270 };
 271
 272 struct phys_addr {
 273         u32 lo;
 274         u32 hi;
 275 };
 276
 277 struct virt_addr {
 278         u32 lo;
 279         u32 hi;
 280 };
 281 /**************************
 282  * BE Command definitions *
 283  **************************/
 284
 285 /**
 286  * Pseudo amap definition in which each bit of the actual structure is defined
 287  * as a byte - used to calculate offset/shift/mask of each field
 288  */
 289 struct amap_eq_context {
 290         u8 cidx[13];            /* dword 0 */
 291         u8 rsvd0[3];            /* dword 0 */
 292         u8 epidx[13];           /* dword 0 */
 293         u8 valid;               /* dword 0 */
 294         u8 rsvd1;               /* dword 0 */
 295         u8 size;                /* dword 0 */
 296         u8 pidx[13];            /* dword 1 */
 297         u8 rsvd2[3];            /* dword 1 */
 298         u8 pd[10];              /* dword 1 */
 299         u8 count[3];            /* dword 1 */
 300         u8 solevent;            /* dword 1 */
 301         u8 stalled;             /* dword 1 */
 302         u8 armed;               /* dword 1 */
 303         u8 rsvd3[4];            /* dword 2 */
 304         u8 func[8];             /* dword 2 */
 305         u8 rsvd4;               /* dword 2 */
 306         u8 delaymult[10];       /* dword 2 */
 307         u8 rsvd5[2];            /* dword 2 */
 308         u8 phase[2];            /* dword 2 */
 309         u8 nodelay;             /* dword 2 */
 310         u8 rsvd6[4];            /* dword 2 */
 311         u8 rsvd7[32];           /* dword 3 */
 312 } __packed;
 313
 314 struct be_cmd_req_eq_create {
 315         struct be_cmd_req_hdr hdr;      /* dw[4] */
 316         u16 num_pages;          /* sword */
 317         u16 rsvd0;              /* sword */
 318         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 319         struct phys_addr pages[8];
 320 } __packed;
 321
 322 struct be_cmd_resp_eq_create {
 323         struct be_cmd_resp_hdr resp_hdr;
 324         u16 eq_id;              /* sword */
 325         u16 rsvd0;              /* sword */
 326 } __packed;
 327
 328 struct be_set_eqd {
 329         u32 eq_id;
 330         u32 phase;
 331         u32 delay_multiplier;
 332 } __packed;
 333
 334 struct mgmt_chap_format {
 335         u32 flags;
 336         u8  intr_chap_name[256];
 337         u8  intr_secret[16];
 338         u8  target_chap_name[256];
 339         u8  target_secret[16];
 340         u16 intr_chap_name_length;
 341         u16 intr_secret_length;
 342         u16 target_chap_name_length;
 343         u16 target_secret_length;
 344 } __packed;
 345
 346 struct mgmt_auth_method_format {
 347         u8      auth_method_type;
 348         u8      padding[3];
 349         struct  mgmt_chap_format chap;
 350 } __packed;
 351
 352 struct be_cmd_req_logout_fw_sess {
 353         struct be_cmd_req_hdr hdr;      /* dw[4] */
 354         uint32_t session_handle;
 355 } __packed;
 356
 357 struct be_cmd_resp_logout_fw_sess {
 358         struct be_cmd_resp_hdr hdr;     /* dw[4] */
 359         uint32_t session_status;
 360 #define BE_SESS_STATUS_CLOSE            0x20
 361 } __packed;
 362
 363 struct mgmt_conn_login_options {
 364         u8 flags;
 365         u8 header_digest;
 366         u8 data_digest;
 367         u8 rsvd0;
 368         u32 max_recv_datasegment_len_ini;
 369         u32 max_recv_datasegment_len_tgt;
 370         u32 tcp_mss;
 371         u32 tcp_window_size;
 372         struct  mgmt_auth_method_format auth_data;
 373 } __packed;
 374
 375 struct ip_addr_format {
 376         u16 size_of_structure;
 377         u8 reserved;
 378         u8 ip_type;
 379 #define BEISCSI_IP_TYPE_V4              0x1
 380 #define BEISCSI_IP_TYPE_STATIC_V4       0x3
 381 #define BEISCSI_IP_TYPE_DHCP_V4         0x5
 382 /* type v4 values < type v6 values */
 383 #define BEISCSI_IP_TYPE_V6              0x10
 384 #define BEISCSI_IP_TYPE_ROUTABLE_V6     0x30
 385 #define BEISCSI_IP_TYPE_LINK_LOCAL_V6   0x50
 386 #define BEISCSI_IP_TYPE_AUTO_V6         0x90
 387         u8 addr[16];
 388         u32 rsvd0;
 389 } __packed;
 390
 391 struct mgmt_conn_info {
 392         u32     connection_handle;
 393         u32     connection_status;
 394         u16     src_port;
 395         u16     dest_port;
 396         u16     dest_port_redirected;
 397         u16     cid;
 398         u32     estimated_throughput;
 399         struct  ip_addr_format  src_ipaddr;
 400         struct  ip_addr_format  dest_ipaddr;
 401         struct  ip_addr_format  dest_ipaddr_redirected;
 402         struct  mgmt_conn_login_options negotiated_login_options;
 403 } __packed;
 404
 405 struct mgmt_session_login_options {
 406         u8      flags;
 407         u8      error_recovery_level;
 408         u16     rsvd0;
 409         u32     first_burst_length;
 410         u32     max_burst_length;
 411         u16     max_connections;
 412         u16     max_outstanding_r2t;
 413         u16     default_time2wait;
 414         u16     default_time2retain;
 415 } __packed;
 416
 417 struct mgmt_session_info {
 418         u32     session_handle;
 419         u32     status;
 420         u8      isid[6];
 421         u16     tsih;
 422         u32     session_flags;
 423         u16     conn_count;
 424         u16     pad;
 425         u8      target_name[224];
 426         u8      initiator_iscsiname[224];
 427         struct  mgmt_session_login_options negotiated_login_options;
 428         struct  mgmt_conn_info  conn_list[1];
 429 } __packed;
 430
 431 struct be_cmd_get_session_req {
 432         struct be_cmd_req_hdr hdr;
 433         u32 session_handle;
 434 } __packed;
 435
 436 struct be_cmd_get_session_resp {
 437         struct be_cmd_resp_hdr hdr;
 438         struct mgmt_session_info session_info;
 439 } __packed;
 440
 441 struct mac_addr {
 442         u16 size_of_structure;
 443         u8 addr[ETH_ALEN];
 444 } __packed;
 445
 446 struct be_cmd_get_boot_target_req {
 447         struct be_cmd_req_hdr hdr;
 448 } __packed;
 449
 450 struct be_cmd_get_boot_target_resp {
 451         struct be_cmd_resp_hdr hdr;
 452         u32 boot_session_count;
 453         u32 boot_session_handle;
 454 /**
 455  * FW returns 0xffffffff if it couldn't establish connection with
 456  * configured boot target.
 457  */
 458 #define BE_BOOT_INVALID_SHANDLE 0xffffffff
 459 };
 460
 461 struct be_cmd_reopen_session_req {
 462         struct be_cmd_req_hdr hdr;
 463 #define BE_REOPEN_ALL_SESSIONS  0x00
 464 #define BE_REOPEN_BOOT_SESSIONS 0x01
 465 #define BE_REOPEN_A_SESSION     0x02
 466         u16 reopen_type;
 467         u16 rsvd;
 468         u32 session_handle;
 469 } __packed;
 470
 471 struct be_cmd_reopen_session_resp {
 472         struct be_cmd_resp_hdr hdr;
 473         u32 rsvd;
 474         u32 session_handle;
 475 } __packed;
 476
 477
 478 struct be_cmd_mac_query_req {
 479         struct be_cmd_req_hdr hdr;
 480         u8 type;
 481         u8 permanent;
 482         u16 if_id;
 483 } __packed;
 484
 485 struct be_cmd_get_mac_resp {
 486         struct be_cmd_resp_hdr hdr;
 487         struct mac_addr mac;
 488 };
 489
 490 struct be_ip_addr_subnet_format {
 491         u16 size_of_structure;
 492         u8 ip_type;
 493         u8 ipv6_prefix_length;
 494         u8 addr[16];
 495         u8 subnet_mask[16];
 496         u32 rsvd0;
 497 } __packed;
 498
 499 struct be_cmd_get_if_info_req {
 500         struct be_cmd_req_hdr hdr;
 501         u32 interface_hndl;
 502         u32 ip_type;
 503 } __packed;
 504
 505 struct be_cmd_get_if_info_resp {
 506         struct be_cmd_req_hdr hdr;
 507         u32 interface_hndl;
 508         u32 vlan_priority;
 509         u32 ip_addr_count;
 510         u32 dhcp_state;
 511         struct be_ip_addr_subnet_format ip_addr;
 512 } __packed;
 513
 514 struct be_ip_addr_record {
 515         u32 action;
 516         u32 interface_hndl;
 517         struct be_ip_addr_subnet_format ip_addr;
 518         u32 status;
 519 } __packed;
 520
 521 struct be_ip_addr_record_params {
 522         u32 record_entry_count;
 523         struct be_ip_addr_record ip_record;
 524 } __packed;
 525
 526 struct be_cmd_set_ip_addr_req {
 527         struct be_cmd_req_hdr hdr;
 528         struct be_ip_addr_record_params ip_params;
 529 } __packed;
 530
 531
 532 struct be_cmd_set_dhcp_req {
 533         struct be_cmd_req_hdr hdr;
 534         u32 interface_hndl;
 535         u32 ip_type;
 536         u32 flags;
 537         u32 retry_count;
 538 } __packed;
 539
 540 struct be_cmd_rel_dhcp_req {
 541         struct be_cmd_req_hdr hdr;
 542         u32 interface_hndl;
 543         u32 ip_type;
 544 } __packed;
 545
 546 struct be_cmd_set_def_gateway_req {
 547         struct be_cmd_req_hdr hdr;
 548         u32 action;
 549         struct ip_addr_format ip_addr;
 550 } __packed;
 551
 552 struct be_cmd_get_def_gateway_req {
 553         struct be_cmd_req_hdr hdr;
 554         u32 ip_type;
 555 } __packed;
 556
 557 struct be_cmd_get_def_gateway_resp {
 558         struct be_cmd_req_hdr hdr;
 559         struct ip_addr_format ip_addr;
 560 } __packed;
 561
 562 #define BEISCSI_VLAN_DISABLE    0xFFFF
 563 struct be_cmd_set_vlan_req {
 564         struct be_cmd_req_hdr hdr;
 565         u32 interface_hndl;
 566         u32 vlan_priority;
 567 } __packed;
 568 /******************** Create CQ ***************************/
 569 /**
 570  * Pseudo amap definition in which each bit of the actual structure is defined
 571  * as a byte - used to calculate offset/shift/mask of each field
 572  */
 573 struct amap_cq_context {
 574         u8 cidx[11];            /* dword 0 */
 575         u8 rsvd0;               /* dword 0 */
 576         u8 coalescwm[2];        /* dword 0 */
 577         u8 nodelay;             /* dword 0 */
 578         u8 epidx[11];           /* dword 0 */
 579         u8 rsvd1;               /* dword 0 */
 580         u8 count[2];            /* dword 0 */
 581         u8 valid;               /* dword 0 */
 582         u8 solevent;            /* dword 0 */
 583         u8 eventable;           /* dword 0 */
 584         u8 pidx[11];            /* dword 1 */
 585         u8 rsvd2;               /* dword 1 */
 586         u8 pd[10];              /* dword 1 */
 587         u8 eqid[8];             /* dword 1 */
 588         u8 stalled;             /* dword 1 */
 589         u8 armed;               /* dword 1 */
 590         u8 rsvd3[4];            /* dword 2 */
 591         u8 func[8];             /* dword 2 */
 592         u8 rsvd4[20];           /* dword 2 */
 593         u8 rsvd5[32];           /* dword 3 */
 594 } __packed;
 595
 596 struct amap_cq_context_v2 {
 597         u8 rsvd0[12];   /* dword 0 */
 598         u8 coalescwm[2];    /* dword 0 */
 599         u8 nodelay;     /* dword 0 */
 600         u8 rsvd1[12];   /* dword 0 */
 601         u8 count[2];    /* dword 0 */
 602         u8 valid;       /* dword 0 */
 603         u8 rsvd2;       /* dword 0 */
 604         u8 eventable;   /* dword 0 */
 605         u8 eqid[16];    /* dword 1 */
 606         u8 rsvd3[15];   /* dword 1 */
 607         u8 armed;       /* dword 1 */
 608         u8 cqecount[16];/* dword 2 */
 609         u8 rsvd4[16];   /* dword 2 */
 610         u8 rsvd5[32];   /* dword 3 */
 611 };
 612
 613 struct be_cmd_req_cq_create {
 614         struct be_cmd_req_hdr hdr;
 615         u16 num_pages;
 616         u8 page_size;
 617         u8 rsvd0;
 618         u8 context[sizeof(struct amap_cq_context) / 8];
 619         struct phys_addr pages[4];
 620 } __packed;
 621
 622 struct be_cmd_resp_cq_create {
 623         struct be_cmd_resp_hdr hdr;
 624         u16 cq_id;
 625         u16 rsvd0;
 626 } __packed;
 627
 628 /******************** Create MCCQ ***************************/
 629 /**
 630  * Pseudo amap definition in which each bit of the actual structure is defined
 631  * as a byte - used to calculate offset/shift/mask of each field
 632  */
 633 struct amap_mcc_context {
 634         u8 con_index[14];
 635         u8 rsvd0[2];
 636         u8 ring_size[4];
 637         u8 fetch_wrb;
 638         u8 fetch_r2t;
 639         u8 cq_id[10];
 640         u8 prod_index[14];
 641         u8 fid[8];
 642         u8 pdid[9];
 643         u8 valid;
 644         u8 rsvd1[32];
 645         u8 rsvd2[32];
 646 } __packed;
 647
 648 struct be_cmd_req_mcc_create_ext {
 649         struct be_cmd_req_hdr hdr;
 650         u16 num_pages;
 651         u16 rsvd0;
 652         u32 async_evt_bitmap;
 653         u8 context[sizeof(struct amap_mcc_context) / 8];
 654         struct phys_addr pages[8];
 655 } __packed;
 656
 657 struct be_cmd_resp_mcc_create {
 658         struct be_cmd_resp_hdr hdr;
 659         u16 id;
 660         u16 rsvd0;
 661 } __packed;
 662
 663 /******************** Q Destroy  ***************************/
 664 /* Type of Queue to be destroyed */
 665 enum {
 666         QTYPE_EQ = 1,
 667         QTYPE_CQ,
 668         QTYPE_MCCQ,
 669         QTYPE_WRBQ,
 670         QTYPE_DPDUQ,
 671         QTYPE_SGL
 672 };
 673
 674 struct be_cmd_req_q_destroy {
 675         struct be_cmd_req_hdr hdr;
 676         u16 id;
 677         u16 bypass_flush;       /* valid only for rx q destroy */
 678 } __packed;
 679
 680 struct macaddr {
 681         u8 byte[ETH_ALEN];
 682 };
 683
 684 struct be_cmd_req_mcast_mac_config {
 685         struct be_cmd_req_hdr hdr;
 686         u16 num_mac;
 687         u8 promiscuous;
 688         u8 interface_id;
 689         struct macaddr mac[32];
 690 } __packed;
 691
 692 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 693 {
 694         return wrb->payload.embedded_payload;
 695 }
 696
 697 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 698 {
 699         return &wrb->payload.sgl[0];
 700 }
 701
 702 /******************** Modify EQ Delay *******************/
 703 struct be_cmd_req_modify_eq_delay {
 704         struct be_cmd_req_hdr hdr;
 705         __le32 num_eq;
 706         struct {
 707                 __le32 eq_id;
 708                 __le32 phase;
 709                 __le32 delay_multiplier;
 710         } delay[MAX_CPUS];
 711 } __packed;
 712
 713 /******************** Get MAC ADDR *******************/
 714
 715 struct be_cmd_get_nic_conf_resp {
 716         struct be_cmd_resp_hdr hdr;
 717         u32 nic_port_count;
 718         u32 speed;
 719         u32 max_speed;
 720         u32 link_state;
 721         u32 max_frame_size;
 722         u16 size_of_structure;
 723         u8 mac_address[ETH_ALEN];
 724 } __packed;
 725
 726 /******************** Get HBA NAME *******************/
 727
 728 struct be_cmd_hba_name {
 729         struct be_cmd_req_hdr hdr;
 730         u16 flags;
 731         u16 rsvd0;
 732         u8 initiator_name[ISCSI_NAME_LEN];
 733 #define BE_INI_ALIAS_LEN 32
 734         u8 initiator_alias[BE_INI_ALIAS_LEN];
 735 } __packed;
 736
 737 /******************** COMMON SET Features *******************/
 738 #define BE_CMD_SET_FEATURE_UER  0x10
 739 #define BE_CMD_UER_SUPP_BIT     0x1
 740 struct be_uer_req {
 741         u32 uer;
 742         u32 rsvd;
 743 };
 744
 745 struct be_uer_resp {
 746         u32 uer;
 747         u16 ue2rp;
 748         u16 ue2sr;
 749 };
 750
 751 struct be_cmd_set_features {
 752         union {
 753                 struct be_cmd_req_hdr req_hdr;
 754                 struct be_cmd_resp_hdr resp_hdr;
 755         } h;
 756         u32 feature;
 757         u32 param_len;
 758         union {
 759                 struct be_uer_req req;
 760                 struct be_uer_resp resp;
 761                 u32 rsvd[2];
 762         } param;
 763 } __packed;
 764
 765 int beiscsi_cmd_function_reset(struct beiscsi_hba *phba);
 766
 767 int beiscsi_cmd_special_wrb(struct be_ctrl_info *ctrl, u32 load);
 768
 769 int beiscsi_check_fw_rdy(struct beiscsi_hba *phba);
 770
 771 int beiscsi_init_sliport(struct beiscsi_hba *phba);
 772
 773 int beiscsi_cmd_iscsi_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num);
 774
 775 int beiscsi_detect_ue(struct beiscsi_hba *phba);
 776
 777 int beiscsi_detect_tpe(struct beiscsi_hba *phba);
 778
 779 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 780                           struct be_queue_info *eq, int eq_delay);
 781
 782 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 783                           struct be_queue_info *cq, struct be_queue_info *eq,
 784                           bool sol_evts, bool no_delay,
 785                           int num_cqe_dma_coalesce);
 786
 787 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 788                           int type);
 789 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 790                         struct be_queue_info *mccq,
 791                         struct be_queue_info *cq);
 792
 793 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 794
 795 void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag);
 796
 797 int beiscsi_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
 798                             int num);
 799 int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
 800                             unsigned int tag,
 801                             struct be_mcc_wrb **wrb,
 802                             struct be_dma_mem *mbx_cmd_mem);
 803 int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
 804                                unsigned int tag,
 805                                struct be_mcc_wrb **wrb,
 806                                struct be_dma_mem *mbx_cmd_mem);
 807 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 808 void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
 809 struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
 810                                  unsigned int *ref_tag);
 811 void beiscsi_process_async_event(struct beiscsi_hba *phba,
 812                                 struct be_mcc_compl *compl);
 813 int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
 814                               struct be_mcc_compl *compl);
 815
 816 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 817                                     struct be_queue_info *cq,
 818                                     struct be_queue_info *dq, int length,
 819                                     int entry_size, uint8_t is_header,
 820                                     uint8_t ulp_num);
 821
 822 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 823                                     struct be_dma_mem *q_mem);
 824
 825 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 826
 827 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 828                                 struct be_dma_mem *q_mem, u32 page_offset,
 829                                 u32 num_pages);
 830
 831 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 832                        struct be_queue_info *wrbq,
 833                        struct hwi_wrb_context *pwrb_context,
 834                        uint8_t ulp_num);
 835
 836 /* Configuration Functions */
 837 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 838
 839 int beiscsi_check_supported_fw(struct be_ctrl_info *ctrl,
 840                                struct beiscsi_hba *phba);
 841
 842 int beiscsi_get_fw_config(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
 843
 844 int beiscsi_get_port_name(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
 845
 846 int beiscsi_set_uer_feature(struct beiscsi_hba *phba);
 847
 848 struct be_default_pdu_context {
 849         u32 dw[4];
 850 } __packed;
 851
 852 struct amap_be_default_pdu_context {
 853         u8 dbuf_cindex[13];     /* dword 0 */
 854         u8 rsvd0[3];            /* dword 0 */
 855         u8 ring_size[4];        /* dword 0 */
 856         u8 ring_state[4];       /* dword 0 */
 857         u8 rsvd1[8];            /* dword 0 */
 858         u8 dbuf_pindex[13];     /* dword 1 */
 859         u8 rsvd2;               /* dword 1 */
 860         u8 pci_func_id[8];      /* dword 1 */
 861         u8 rx_pdid[9];          /* dword 1 */
 862         u8 rx_pdid_valid;       /* dword 1 */
 863         u8 default_buffer_size[16];     /* dword 2 */
 864         u8 cq_id_recv[10];      /* dword 2 */
 865         u8 rx_pdid_not_valid;   /* dword 2 */
 866         u8 rsvd3[5];            /* dword 2 */
 867         u8 rsvd4[32];           /* dword 3 */
 868 } __packed;
 869
 870 struct amap_default_pdu_context_ext {
 871         u8 rsvd0[16];   /* dword 0 */
 872         u8 ring_size[4];    /* dword 0 */
 873         u8 rsvd1[12];   /* dword 0 */
 874         u8 rsvd2[22];   /* dword 1 */
 875         u8 rx_pdid[9];  /* dword 1 */
 876         u8 rx_pdid_valid;   /* dword 1 */
 877         u8 default_buffer_size[16]; /* dword 2 */
 878         u8 cq_id_recv[16];  /* dword 2 */
 879         u8 rsvd3[32];   /* dword 3 */
 880 } __packed;
 881
 882 struct be_defq_create_req {
 883         struct be_cmd_req_hdr hdr;
 884         u16 num_pages;
 885         u8 ulp_num;
 886 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 887 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 888         u8 dua_feature;
 889         struct be_default_pdu_context context;
 890         struct phys_addr pages[8];
 891 } __packed;
 892
 893 struct be_defq_create_resp {
 894         struct be_cmd_req_hdr hdr;
 895         u16 id;
 896         u8 rsvd0;
 897         u8 ulp_num;
 898         u32 doorbell_offset;
 899         u16 register_set;
 900         u16 doorbell_format;
 901 } __packed;
 902
 903 struct be_post_template_pages_req {
 904         struct be_cmd_req_hdr hdr;
 905         u16 num_pages;
 906 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 907         u16 type;
 908         struct phys_addr scratch_pa;
 909         struct virt_addr scratch_va;
 910         struct virt_addr pages_va;
 911         struct phys_addr pages[16];
 912 } __packed;
 913
 914 struct be_remove_template_pages_req {
 915         struct be_cmd_req_hdr hdr;
 916         u16 type;
 917         u16 rsvd0;
 918 } __packed;
 919
 920 struct be_post_sgl_pages_req {
 921         struct be_cmd_req_hdr hdr;
 922         u16 num_pages;
 923         u16 page_offset;
 924         u32 rsvd0;
 925         struct phys_addr pages[26];
 926         u32 rsvd1;
 927 } __packed;
 928
 929 struct be_wrbq_create_req {
 930         struct be_cmd_req_hdr hdr;
 931         u16 num_pages;
 932         u8 ulp_num;
 933         u8 dua_feature;
 934         struct phys_addr pages[8];
 935 } __packed;
 936
 937 struct be_wrbq_create_resp {
 938         struct be_cmd_resp_hdr resp_hdr;
 939         u16 cid;
 940         u8 rsvd0;
 941         u8 ulp_num;
 942         u32 doorbell_offset;
 943         u16 register_set;
 944         u16 doorbell_format;
 945 } __packed;
 946
 947 #define SOL_CID_MASK            0x0000FFC0
 948 #define SOL_CODE_MASK           0x0000003F
 949 #define SOL_WRB_INDEX_MASK      0x00FF0000
 950 #define SOL_CMD_WND_MASK        0xFF000000
 951 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 952 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 953 #define SOL_HW_STS_MASK         0x000000FF
 954 #define SOL_STS_MASK            0x0000FF00
 955 #define SOL_RESP_MASK           0x00FF0000
 956 #define SOL_FLAGS_MASK          0x7F000000
 957 #define SOL_S_MASK              0x80000000
 958
 959 struct sol_cqe {
 960         u32 dw[4];
 961 };
 962
 963 struct amap_sol_cqe {
 964         u8 hw_sts[8];           /* dword 0 */
 965         u8 i_sts[8];            /* dword 0 */
 966         u8 i_resp[8];           /* dword 0 */
 967         u8 i_flags[7];          /* dword 0 */
 968         u8 s;                   /* dword 0 */
 969         u8 i_exp_cmd_sn[32];    /* dword 1 */
 970         u8 code[6];             /* dword 2 */
 971         u8 cid[10];             /* dword 2 */
 972         u8 wrb_index[8];        /* dword 2 */
 973         u8 i_cmd_wnd[8];        /* dword 2 */
 974         u8 i_res_cnt[31];       /* dword 3 */
 975         u8 valid;               /* dword 3 */
 976 } __packed;
 977
 978 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 979 struct amap_sol_cqe_ring {
 980         u8 hw_sts[8];           /* dword 0 */
 981         u8 i_sts[8];            /* dword 0 */
 982         u8 i_resp[8];           /* dword 0 */
 983         u8 i_flags[7];          /* dword 0 */
 984         u8 s;                   /* dword 0 */
 985         u8 i_exp_cmd_sn[32];    /* dword 1 */
 986         u8 code[6];             /* dword 2 */
 987         u8 icd_index[12];       /* dword 2 */
 988         u8 rsvd[6];             /* dword 2 */
 989         u8 i_cmd_wnd[8];        /* dword 2 */
 990         u8 i_res_cnt[31];       /* dword 3 */
 991         u8 valid;               /* dword 3 */
 992 } __packed;
 993
 994 struct amap_sol_cqe_v2 {
 995         u8 hw_sts[8];   /* dword 0 */
 996         u8 i_sts[8];    /* dword 0 */
 997         u8 wrb_index[16];   /* dword 0 */
 998         u8 i_exp_cmd_sn[32];    /* dword 1 */
 999         u8 code[6]; /* dword 2 */
1000         u8 cmd_cmpl;    /* dword 2 */
1001         u8 rsvd0;   /* dword 2 */
1002         u8 i_cmd_wnd[8];    /* dword 2 */
1003         u8 cid[13]; /* dword 2 */
1004         u8 u;   /* dword 2 */
1005         u8 o;   /* dword 2 */
1006         u8 s;   /* dword 2 */
1007         u8 i_res_cnt[31];   /* dword 3 */
1008         u8 valid;   /* dword 3 */
1009 } __packed;
1010
1011 struct common_sol_cqe {
1012         u32 exp_cmdsn;
1013         u32 res_cnt;
1014         u16 wrb_index;
1015         u16 cid;
1016         u8 hw_sts;
1017         u8 cmd_wnd;
1018         u8 res_flag; /* the s feild of structure */
1019         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
1020         u8 i_flags; /* for skh or the u and o feilds */
1021         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
1022 };
1023
1024 /*** iSCSI ack/driver message completions ***/
1025 struct amap_it_dmsg_cqe {
1026         u8 ack_num[32]; /* DWORD 0 */
1027         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
1028         u8 code[6]; /* DWORD 2 */
1029         u8 cid[10]; /* DWORD 2 */
1030         u8 wrb_idx[8];  /* DWORD 2 */
1031         u8 rsvd0[8];    /* DWORD 2*/
1032         u8 rsvd1[31];   /* DWORD 3*/
1033         u8 valid;   /* DWORD 3 */
1034 } __packed;
1035
1036 struct amap_it_dmsg_cqe_v2 {
1037         u8 ack_num[32]; /* DWORD 0 */
1038         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
1039         u8 code[6]; /* DWORD 2 */
1040         u8 rsvd0[10];   /* DWORD 2 */
1041         u8 wrb_idx[16]; /* DWORD 2 */
1042         u8 rsvd1[16];   /* DWORD 3 */
1043         u8 cid[13]; /* DWORD 3 */
1044         u8 rsvd2[2];    /* DWORD 3 */
1045         u8 valid;   /* DWORD 3 */
1046 } __packed;
1047
1048
1049 /**
1050  * Post WRB Queue Doorbell Register used by the host Storage
1051  * stack to notify the
1052  * controller of a posted Work Request Block
1053  */
1054 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
1055 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
1056
1057 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
1058 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
1059
1060 struct fragnum_bits_for_sgl_cra_in {
1061         struct be_cmd_req_hdr hdr;
1062         u32 num_bits;
1063 } __packed;
1064
1065 struct iscsi_cleanup_req {
1066         struct be_cmd_req_hdr hdr;
1067         u16 chute;
1068         u8 hdr_ring_id;
1069         u8 data_ring_id;
1070 } __packed;
1071
1072 struct iscsi_cleanup_req_v1 {
1073         struct be_cmd_req_hdr hdr;
1074         u16 chute;
1075         u16 rsvd1;
1076         u16 hdr_ring_id;
1077         u16 rsvd2;
1078         u16 data_ring_id;
1079         u16 rsvd3;
1080 } __packed;
1081
1082 struct eq_delay {
1083         u32 eq_id;
1084         u32 phase;
1085         u32 delay_multiplier;
1086 } __packed;
1087
1088 struct be_eq_delay_params_in {
1089         struct be_cmd_req_hdr hdr;
1090         u32 num_eq;
1091         struct eq_delay delay[8];
1092 } __packed;
1093
1094 struct tcp_connect_and_offload_in {
1095         struct be_cmd_req_hdr hdr;
1096         struct ip_addr_format ip_address;
1097         u16 tcp_port;
1098         u16 cid;
1099         u16 cq_id;
1100         u16 defq_id;
1101         struct phys_addr dataout_template_pa;
1102         u16 hdr_ring_id;
1103         u16 data_ring_id;
1104         u8 do_offload;
1105         u8 rsvd0[3];
1106 } __packed;
1107
1108 struct tcp_connect_and_offload_in_v1 {
1109         struct be_cmd_req_hdr hdr;
1110         struct ip_addr_format ip_address;
1111         u16 tcp_port;
1112         u16 cid;
1113         u16 cq_id;
1114         u16 defq_id;
1115         struct phys_addr dataout_template_pa;
1116         u16 hdr_ring_id;
1117         u16 data_ring_id;
1118         u8 do_offload;
1119         u8 ifd_state;
1120         u8 rsvd0[2];
1121         u16 tcp_window_size;
1122         u8 tcp_window_scale_count;
1123         u8 rsvd1;
1124         u32 tcp_mss:24;
1125         u8 rsvd2;
1126 } __packed;
1127
1128 struct tcp_connect_and_offload_out {
1129         struct be_cmd_resp_hdr hdr;
1130         u32 connection_handle;
1131         u16 cid;
1132         u16 rsvd0;
1133
1134 } __packed;
1135
1136 struct be_mcc_wrb_context {
1137         struct MCC_WRB *wrb;
1138         int *users_final_status;
1139 } __packed;
1140
1141 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1142 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1143 #define DB_DEF_PDU_REARM_SHIFT          14
1144 #define DB_DEF_PDU_EVENT_SHIFT          15
1145 #define DB_DEF_PDU_CQPROC_SHIFT         16
1146
1147 struct dmsg_cqe {
1148         u32 dw[4];
1149 } __packed;
1150
1151 struct tcp_upload_params_in {
1152         struct be_cmd_req_hdr hdr;
1153         u16 id;
1154         u16 upload_type;
1155         u32 reset_seq;
1156 } __packed;
1157
1158 struct tcp_upload_params_out {
1159         u32 dw[32];
1160 } __packed;
1161
1162 union tcp_upload_params {
1163         struct tcp_upload_params_in request;
1164         struct tcp_upload_params_out response;
1165 } __packed;
1166
1167 struct be_ulp_fw_cfg {
1168 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1169         u32 ulp_mode;
1170         u32 etx_base;
1171         u32 etx_count;
1172         u32 sq_base;
1173         u32 sq_count;
1174         u32 rq_base;
1175         u32 rq_count;
1176         u32 dq_base;
1177         u32 dq_count;
1178         u32 lro_base;
1179         u32 lro_count;
1180         u32 icd_base;
1181         u32 icd_count;
1182 };
1183
1184 struct be_ulp_chain_icd {
1185         u32 chain_base;
1186         u32 chain_count;
1187 };
1188
1189 struct be_fw_cfg {
1190         struct be_cmd_req_hdr hdr;
1191         u32 be_config_number;
1192         u32 asic_revision;
1193         u32 phys_port;
1194 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1195 #define BEISCSI_FUNC_DUA_MODE   0x800
1196         u32 function_mode;
1197         struct be_ulp_fw_cfg ulp[2];
1198         u32 function_caps;
1199         u32 cqid_base;
1200         u32 cqid_count;
1201         u32 eqid_base;
1202         u32 eqid_count;
1203         struct be_ulp_chain_icd chain_icd[2];
1204 } __packed;
1205
1206 struct be_cmd_get_all_if_id_req {
1207         struct be_cmd_req_hdr hdr;
1208         u32 if_count;
1209         u32 if_hndl_list[1];
1210 } __packed;
1211
1212 struct be_cmd_get_port_name {
1213         union {
1214                 struct be_cmd_req_hdr req_hdr;
1215                 struct be_cmd_resp_hdr resp_hdr;
1216         } h;
1217         union {
1218                 struct {
1219                         u32 reserved;
1220                 } req;
1221                 struct {
1222                         u32 port_names;
1223                 } resp;
1224         } p;
1225 } __packed;
1226
1227 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1228 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1229 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1230 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1231 #define OPCODE_COMMON_TCP_UPLOAD                56
1232 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1233 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1234 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1235 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1236 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1237 #define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET   24
1238 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1239 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1240 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1241 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1242 #define OPCODE_COMMON_WRITE_FLASH               96
1243 #define OPCODE_COMMON_READ_FLASH                97
1244
1245 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1246 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1247 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1248 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1249
1250 #define INI_WR_CMD                      1       /* Initiator write command */
1251 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1252 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1253 #define INI_RD_CMD                      5       /* Initiator requesting to send
1254                                                  * a read command
1255                                                  */
1256 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1257 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1258                                                  * where only the status number
1259                                                  * need to be updated
1260                                                  */
1261 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1262                                                  * to read command
1263                                                  */
1264 #define TGT_SOS_PDU                     10      /* Target:standalone status
1265                                                  * response
1266                                                  */
1267 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1268                                                  *  preparedby
1269                                                  * driver should not be touched
1270                                                  */
1271 /* --- CMD_CHUTE_TYPE --- */
1272 #define CMD_CONNECTION_CHUTE_0          1
1273 #define CMD_CONNECTION_CHUTE_1          2
1274 #define CMD_CONNECTION_CHUTE_2          3
1275
1276 #define EQ_MAJOR_CODE_COMPLETION        0
1277
1278 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1279 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1280
1281 /* --- CONNECTION_UPLOAD_PARAMS --- */
1282 /* These parameters are used to define the type of upload desired.  */
1283 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1284 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1285                                                  * reset
1286                                                  */
1287 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1288                                                  * reset
1289                                                  */
1290 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1291                                                  * sequence number by driver  */
1292
1293 /* Returns the number of items in the field array. */
1294 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1295         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1296
1297 /**
1298  * Different types of iSCSI completions to host driver for both initiator
1299  * and taget mode
1300  * of operation.
1301  */
1302 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1303                                                  * normally
1304                                                  */
1305 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1306                                                  * invalidated internally due
1307                                                  * to Data Digest error
1308                                                  */
1309 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1310                                                  * internally
1311                                                  * due to a received PDU
1312                                                  * size > DSL
1313                                                  */
1314 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1315                                                  * internally due ti received
1316                                                  * PDU sequence size >
1317                                                  * FBL/MBL.
1318                                                  */
1319 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1320                                                  * internally due to a received
1321                                                  * PDU Hdr that has
1322                                                  * AHS */
1323 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1324                                                  * internally due to Hdr Digest
1325                                                  * error
1326                                                  */
1327 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1328                                                  *  internally
1329                                                  * due to a bad opcode in the
1330                                                  * pdu hdr
1331                                                  */
1332 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1333                                                  * internally due to a received
1334                                                  * ITT/TTT that does not belong
1335                                                  * to this Connection
1336                                                  */
1337 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1338                                                  * internally due to received
1339                                                  * ITT/TTT value > Max
1340                                                  * Supported ITTs/TTTs
1341                                                  */
1342 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1343                                                  * internally due to an
1344                                                  * incoming TCP RST
1345                                                  */
1346 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1347                                                  * internally due to timeout on
1348                                                  * tcp segment 12 retransmit
1349                                                  * attempts failed
1350                                                  */
1351 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1352                                                  * internally due to TCP RST
1353                                                  * sent by the Tx side
1354                                                  */
1355 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1356                                                  * internally due to an
1357                                                  * incoming TCP FIN.
1358                                                  */
1359 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1360                                                  * internally due to bad
1361                                                  * unsolicited PDU Unsolicited
1362                                                  * PDUs are PDUs with
1363                                                  * ITT=0xffffffff
1364                                                  */
1365 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1366                                                  * internally due to bad WRB
1367                                                  * index.
1368                                                  */
1369 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1370                                                  * internally due to received
1371                                                  * command has residual
1372                                                  * over run bytes.
1373                                                  */
1374 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1375                                                  * internally due to received
1376                                                  * command has residual under
1377                                                  * run bytes.
1378                                                  */
1379 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1380                                                  * internally due to a received
1381                                                  * PDU has an invalid StatusSN
1382                                                  */
1383 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1384                                                  * internally due to a received
1385                                                  * an R2T with some invalid
1386                                                  * fields in it
1387                                                  */
1388 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1389                                                  * internally due to received
1390                                                  * PDU has an invalid LUN.
1391                                                  */
1392 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1393                                                  * internally due to the
1394                                                  * corresponding ICD not in a
1395                                                  * valid state
1396                                                  */
1397 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1398                                                  *  to received PDU has an
1399                                                  *  invalid ITT.
1400                                                  */
1401 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1402                                                  * to received sequence buffer
1403                                                  * offset is out of order.
1404                                                  */
1405 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1406                                                  * internally due to a
1407                                                  * received PDU has an invalid
1408                                                  * DataSN
1409                                                  */
1410 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1411                                                  * completion notify.
1412                                                  */
1413 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1414                                                  * completion
1415                                                  * with data PDU index.
1416                                                  */
1417 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1418                                                  * completionnotifify.
1419                                                  */
1420 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1421 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1422 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1423                                                  * error notify.
1424                                                  */
1425 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1426                                                  * notification.
1427                                                  */
1428 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1429                                                   * internally due to command
1430                                                   * and data are not on same
1431                                                   * connection.
1432                                                   */
1433 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1434                                                  *  invalidated internally due
1435                                                  *  to DIF error
1436                                                  */
1437 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1438                                                  * internally due to incoming
1439                                                  * TCP SYN
1440                                                  */
1441 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1442                                                  * internally due to an
1443                                                  * incoming Unsolicited PDU
1444                                                  * that has immediate data on
1445                                                  * the cxn
1446                                                  */
1447
1448 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1449                         bool embedded, u8 sge_cnt);
1450
1451 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1452                         u8 subsystem, u8 opcode, int cmd_len);
1453 #endif /* !BEISCSI_CMDS_H */