drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2013 Emulex
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Contact Information:
  11  * [email protected]
  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         u32 pa_lo;
  30         u32 pa_hi;
  31         u32 len;
  32 };
  33
  34 #define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
  35 #define MCC_WRB_SGE_CNT_MASK 0x1F       /* bits 3 - 7 of dword 0 */
  36 struct be_mcc_wrb {
  37         u32 embedded;           /* dword 0 */
  38         u32 payload_length;     /* dword 1 */
  39         u32 tag0;               /* dword 2 */
  40         u32 tag1;               /* dword 3 */
  41         u32 rsvd;               /* dword 4 */
  42         union {
  43 #define EMBED_MBX_MAX_PAYLOAD_SIZE  220
  44                 u8 embedded_payload[236];       /* used by embedded cmds */
  45                 struct be_sge sgl[19];  /* used by non-embedded cmds */
  46         } payload;
  47 };
  48
  49 #define CQE_FLAGS_VALID_MASK (1 << 31)
  50 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
  51 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
  52 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
  53
  54 /* Completion Status */
  55 #define MCC_STATUS_SUCCESS 0x0
  56 #define MCC_STATUS_FAILED 0x1
  57 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
  58 #define MCC_STATUS_ILLEGAL_FIELD 0x3
  59 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
  60
  61 #define CQE_STATUS_COMPL_MASK 0xFFFF
  62 #define CQE_STATUS_COMPL_SHIFT 0        /* bits 0 - 15 */
  63 #define CQE_STATUS_EXTD_MASK 0xFFFF
  64 #define CQE_STATUS_EXTD_SHIFT 16                /* bits 0 - 15 */
  65 #define CQE_STATUS_ADDL_MASK    0xFF00
  66 #define CQE_STATUS_MASK 0xFF
  67 #define CQE_STATUS_ADDL_SHIFT   0x08
  68 #define CQE_STATUS_WRB_MASK     0xFF0000
  69 #define CQE_STATUS_WRB_SHIFT    16
  70 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
  71 #define BEISCSI_FW_MBX_TIMEOUT  100
  72
  73 /* MBOX Command VER */
  74 #define MBX_CMD_VER1    0x01
  75 #define MBX_CMD_VER2    0x02
  76
  77 struct be_mcc_compl {
  78         u32 status;             /* dword 0 */
  79         u32 tag0;               /* dword 1 */
  80         u32 tag1;               /* dword 2 */
  81         u32 flags;              /* dword 3 */
  82 };
  83
  84 /********* Mailbox door bell *************/
  85 /**
  86  * Used for driver communication with the FW.
  87  * The software must write this register twice to post any command. First,
  88  * it writes the register with hi=1 and the upper bits of the physical address
  89  * for the MAILBOX structure. Software must poll the ready bit until this
  90  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  91  * bits in the address. It must poll the ready bit until the command is
  92  * complete. Upon completion, the MAILBOX will contain a valid completion
  93  * queue entry.
  94  */
  95 #define MPU_MAILBOX_DB_OFFSET   0x160
  96 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  97 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  98
  99 /********** MPU semphore ******************/
 100 #define MPU_EP_SEMAPHORE_OFFSET 0xac
 101 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
 102 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
 103 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
 104
 105 /********** MCC door bell ************/
 106 #define DB_MCCQ_OFFSET 0x140
 107 #define DB_MCCQ_RING_ID_MASK 0xFFFF             /* bits 0 - 15 */
 108 /* Number of entries posted */
 109 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
 110
 111 /* MPU semphore POST stage values */
 112 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
 113
 114 /**
 115  * When the async bit of mcc_compl is set, the last 4 bytes of
 116  * mcc_compl is interpreted as follows:
 117  */
 118 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 119 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 120 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 121 struct be_async_event_trailer {
 122         u32 code;
 123 };
 124
 125 enum {
 126         ASYNC_EVENT_LINK_DOWN = 0x0,
 127         ASYNC_EVENT_LINK_UP = 0x1,
 128         ASYNC_EVENT_LOGICAL = 0x2
 129 };
 130
 131 /**
 132  * When the event code of an async trailer is link-state, the mcc_compl
 133  * must be interpreted as follows
 134  */
 135 struct be_async_event_link_state {
 136         u8 physical_port;
 137         u8 port_link_status;
 138         u8 port_duplex;
 139         u8 port_speed;
 140 #define BEISCSI_PHY_LINK_FAULT_NONE     0x00
 141 #define BEISCSI_PHY_LINK_FAULT_LOCAL    0x01
 142 #define BEISCSI_PHY_LINK_FAULT_REMOTE   0x02
 143         u8 port_fault;
 144         u8 rsvd0[7];
 145         struct be_async_event_trailer trailer;
 146 } __packed;
 147
 148 struct be_mcc_mailbox {
 149         struct be_mcc_wrb wrb;
 150         struct be_mcc_compl compl;
 151 };
 152
 153 /* Type of subsystems supported by FW */
 154 #define CMD_SUBSYSTEM_COMMON    0x1
 155 #define CMD_SUBSYSTEM_ISCSI     0x2
 156 #define CMD_SUBSYSTEM_ETH       0x3
 157 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 158 #define CMD_COMMON_TCP_UPLOAD   0x1
 159
 160 /**
 161  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 162  * These opcodes are unique for each subsystem defined above
 163  */
 164 #define OPCODE_COMMON_CQ_CREATE                         12
 165 #define OPCODE_COMMON_EQ_CREATE                         13
 166 #define OPCODE_COMMON_MCC_CREATE                        21
 167 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS       24
 168 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS    25
 169 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 170 #define OPCODE_COMMON_GET_FW_VERSION                    35
 171 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 172 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 173 #define OPCODE_COMMON_MCC_DESTROY                       53
 174 #define OPCODE_COMMON_CQ_DESTROY                        54
 175 #define OPCODE_COMMON_EQ_DESTROY                        55
 176 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 177 #define OPCODE_COMMON_FUNCTION_RESET                    61
 178
 179 /**
 180  * LIST of opcodes that are common between Initiator and Target
 181  * used by CMD_SUBSYSTEM_ISCSI
 182  * These opcodes are unique for each subsystem defined above
 183  */
 184 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 185 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 186 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 187 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 188 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 189 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 190 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 191 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 192 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 193 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 194 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 195 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 196 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 197 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 198 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 199 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 200
 201 struct be_cmd_req_hdr {
 202         u8 opcode;              /* dword 0 */
 203         u8 subsystem;           /* dword 0 */
 204         u8 port_number;         /* dword 0 */
 205         u8 domain;              /* dword 0 */
 206         u32 timeout;            /* dword 1 */
 207         u32 request_length;     /* dword 2 */
 208         u8 version;             /* dword 3 */
 209         u8 rsvd0[3];            /* dword 3 */
 210 };
 211
 212 struct be_cmd_resp_hdr {
 213         u32 info;               /* dword 0 */
 214         u32 status;             /* dword 1 */
 215         u32 response_length;    /* dword 2 */
 216         u32 actual_resp_len;    /* dword 3 */
 217 };
 218
 219 struct phys_addr {
 220         u32 lo;
 221         u32 hi;
 222 };
 223
 224 struct virt_addr {
 225         u32 lo;
 226         u32 hi;
 227 };
 228 /**************************
 229  * BE Command definitions *
 230  **************************/
 231
 232 /**
 233  * Pseudo amap definition in which each bit of the actual structure is defined
 234  * as a byte - used to calculate offset/shift/mask of each field
 235  */
 236 struct amap_eq_context {
 237         u8 cidx[13];            /* dword 0 */
 238         u8 rsvd0[3];            /* dword 0 */
 239         u8 epidx[13];           /* dword 0 */
 240         u8 valid;               /* dword 0 */
 241         u8 rsvd1;               /* dword 0 */
 242         u8 size;                /* dword 0 */
 243         u8 pidx[13];            /* dword 1 */
 244         u8 rsvd2[3];            /* dword 1 */
 245         u8 pd[10];              /* dword 1 */
 246         u8 count[3];            /* dword 1 */
 247         u8 solevent;            /* dword 1 */
 248         u8 stalled;             /* dword 1 */
 249         u8 armed;               /* dword 1 */
 250         u8 rsvd3[4];            /* dword 2 */
 251         u8 func[8];             /* dword 2 */
 252         u8 rsvd4;               /* dword 2 */
 253         u8 delaymult[10];       /* dword 2 */
 254         u8 rsvd5[2];            /* dword 2 */
 255         u8 phase[2];            /* dword 2 */
 256         u8 nodelay;             /* dword 2 */
 257         u8 rsvd6[4];            /* dword 2 */
 258         u8 rsvd7[32];           /* dword 3 */
 259 } __packed;
 260
 261 struct be_cmd_req_eq_create {
 262         struct be_cmd_req_hdr hdr;      /* dw[4] */
 263         u16 num_pages;          /* sword */
 264         u16 rsvd0;              /* sword */
 265         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 266         struct phys_addr pages[8];
 267 } __packed;
 268
 269 struct be_cmd_resp_eq_create {
 270         struct be_cmd_resp_hdr resp_hdr;
 271         u16 eq_id;              /* sword */
 272         u16 rsvd0;              /* sword */
 273 } __packed;
 274
 275 struct be_set_eqd {
 276         u32 eq_id;
 277         u32 phase;
 278         u32 delay_multiplier;
 279 } __packed;
 280
 281 struct mgmt_chap_format {
 282         u32 flags;
 283         u8  intr_chap_name[256];
 284         u8  intr_secret[16];
 285         u8  target_chap_name[256];
 286         u8  target_secret[16];
 287         u16 intr_chap_name_length;
 288         u16 intr_secret_length;
 289         u16 target_chap_name_length;
 290         u16 target_secret_length;
 291 } __packed;
 292
 293 struct mgmt_auth_method_format {
 294         u8      auth_method_type;
 295         u8      padding[3];
 296         struct  mgmt_chap_format chap;
 297 } __packed;
 298
 299 struct mgmt_conn_login_options {
 300         u8 flags;
 301         u8 header_digest;
 302         u8 data_digest;
 303         u8 rsvd0;
 304         u32 max_recv_datasegment_len_ini;
 305         u32 max_recv_datasegment_len_tgt;
 306         u32 tcp_mss;
 307         u32 tcp_window_size;
 308         struct  mgmt_auth_method_format auth_data;
 309 } __packed;
 310
 311 struct ip_addr_format {
 312         u16 size_of_structure;
 313         u8 reserved;
 314         u8 ip_type;
 315         u8 addr[16];
 316         u32 rsvd0;
 317 } __packed;
 318
 319 struct mgmt_conn_info {
 320         u32     connection_handle;
 321         u32     connection_status;
 322         u16     src_port;
 323         u16     dest_port;
 324         u16     dest_port_redirected;
 325         u16     cid;
 326         u32     estimated_throughput;
 327         struct  ip_addr_format  src_ipaddr;
 328         struct  ip_addr_format  dest_ipaddr;
 329         struct  ip_addr_format  dest_ipaddr_redirected;
 330         struct  mgmt_conn_login_options negotiated_login_options;
 331 } __packed;
 332
 333 struct mgmt_session_login_options {
 334         u8      flags;
 335         u8      error_recovery_level;
 336         u16     rsvd0;
 337         u32     first_burst_length;
 338         u32     max_burst_length;
 339         u16     max_connections;
 340         u16     max_outstanding_r2t;
 341         u16     default_time2wait;
 342         u16     default_time2retain;
 343 } __packed;
 344
 345 struct mgmt_session_info {
 346         u32     session_handle;
 347         u32     status;
 348         u8      isid[6];
 349         u16     tsih;
 350         u32     session_flags;
 351         u16     conn_count;
 352         u16     pad;
 353         u8      target_name[224];
 354         u8      initiator_iscsiname[224];
 355         struct  mgmt_session_login_options negotiated_login_options;
 356         struct  mgmt_conn_info  conn_list[1];
 357 } __packed;
 358
 359 struct be_cmd_get_session_req {
 360         struct be_cmd_req_hdr hdr;
 361         u32 session_handle;
 362 } __packed;
 363
 364 struct be_cmd_get_session_resp {
 365         struct be_cmd_resp_hdr hdr;
 366         struct mgmt_session_info session_info;
 367 } __packed;
 368
 369 struct mac_addr {
 370         u16 size_of_structure;
 371         u8 addr[ETH_ALEN];
 372 } __packed;
 373
 374 struct be_cmd_get_boot_target_req {
 375         struct be_cmd_req_hdr hdr;
 376 } __packed;
 377
 378 struct be_cmd_get_boot_target_resp {
 379         struct be_cmd_resp_hdr hdr;
 380         u32  boot_session_count;
 381         int  boot_session_handle;
 382 };
 383
 384 struct be_cmd_reopen_session_req {
 385         struct be_cmd_req_hdr hdr;
 386 #define BE_REOPEN_ALL_SESSIONS  0x00
 387 #define BE_REOPEN_BOOT_SESSIONS 0x01
 388 #define BE_REOPEN_A_SESSION     0x02
 389         u16 reopen_type;
 390         u16 rsvd;
 391         u32 session_handle;
 392 } __packed;
 393
 394 struct be_cmd_reopen_session_resp {
 395         struct be_cmd_resp_hdr hdr;
 396         u32 rsvd;
 397         u32 session_handle;
 398 } __packed;
 399
 400
 401 struct be_cmd_mac_query_req {
 402         struct be_cmd_req_hdr hdr;
 403         u8 type;
 404         u8 permanent;
 405         u16 if_id;
 406 } __packed;
 407
 408 struct be_cmd_get_mac_resp {
 409         struct be_cmd_resp_hdr hdr;
 410         struct mac_addr mac;
 411 };
 412
 413 struct be_ip_addr_subnet_format {
 414         u16 size_of_structure;
 415         u8 ip_type;
 416         u8 ipv6_prefix_length;
 417         u8 addr[16];
 418         u8 subnet_mask[16];
 419         u32 rsvd0;
 420 } __packed;
 421
 422 struct be_cmd_get_if_info_req {
 423         struct be_cmd_req_hdr hdr;
 424         u32 interface_hndl;
 425         u32 ip_type;
 426 } __packed;
 427
 428 struct be_cmd_get_if_info_resp {
 429         struct be_cmd_req_hdr hdr;
 430         u32 interface_hndl;
 431         u32 vlan_priority;
 432         u32 ip_addr_count;
 433         u32 dhcp_state;
 434         struct be_ip_addr_subnet_format ip_addr;
 435 } __packed;
 436
 437 struct be_ip_addr_record {
 438         u32 action;
 439         u32 interface_hndl;
 440         struct be_ip_addr_subnet_format ip_addr;
 441         u32 status;
 442 } __packed;
 443
 444 struct be_ip_addr_record_params {
 445         u32 record_entry_count;
 446         struct be_ip_addr_record ip_record;
 447 } __packed;
 448
 449 struct be_cmd_set_ip_addr_req {
 450         struct be_cmd_req_hdr hdr;
 451         struct be_ip_addr_record_params ip_params;
 452 } __packed;
 453
 454
 455 struct be_cmd_set_dhcp_req {
 456         struct be_cmd_req_hdr hdr;
 457         u32 interface_hndl;
 458         u32 ip_type;
 459         u32 flags;
 460         u32 retry_count;
 461 } __packed;
 462
 463 struct be_cmd_rel_dhcp_req {
 464         struct be_cmd_req_hdr hdr;
 465         u32 interface_hndl;
 466         u32 ip_type;
 467 } __packed;
 468
 469 struct be_cmd_set_def_gateway_req {
 470         struct be_cmd_req_hdr hdr;
 471         u32 action;
 472         struct ip_addr_format ip_addr;
 473 } __packed;
 474
 475 struct be_cmd_get_def_gateway_req {
 476         struct be_cmd_req_hdr hdr;
 477         u32 ip_type;
 478 } __packed;
 479
 480 struct be_cmd_get_def_gateway_resp {
 481         struct be_cmd_req_hdr hdr;
 482         struct ip_addr_format ip_addr;
 483 } __packed;
 484
 485 #define BEISCSI_VLAN_DISABLE    0xFFFF
 486 struct be_cmd_set_vlan_req {
 487         struct be_cmd_req_hdr hdr;
 488         u32 interface_hndl;
 489         u32 vlan_priority;
 490 } __packed;
 491 /******************** Create CQ ***************************/
 492 /**
 493  * Pseudo amap definition in which each bit of the actual structure is defined
 494  * as a byte - used to calculate offset/shift/mask of each field
 495  */
 496 struct amap_cq_context {
 497         u8 cidx[11];            /* dword 0 */
 498         u8 rsvd0;               /* dword 0 */
 499         u8 coalescwm[2];        /* dword 0 */
 500         u8 nodelay;             /* dword 0 */
 501         u8 epidx[11];           /* dword 0 */
 502         u8 rsvd1;               /* dword 0 */
 503         u8 count[2];            /* dword 0 */
 504         u8 valid;               /* dword 0 */
 505         u8 solevent;            /* dword 0 */
 506         u8 eventable;           /* dword 0 */
 507         u8 pidx[11];            /* dword 1 */
 508         u8 rsvd2;               /* dword 1 */
 509         u8 pd[10];              /* dword 1 */
 510         u8 eqid[8];             /* dword 1 */
 511         u8 stalled;             /* dword 1 */
 512         u8 armed;               /* dword 1 */
 513         u8 rsvd3[4];            /* dword 2 */
 514         u8 func[8];             /* dword 2 */
 515         u8 rsvd4[20];           /* dword 2 */
 516         u8 rsvd5[32];           /* dword 3 */
 517 } __packed;
 518
 519 struct amap_cq_context_v2 {
 520         u8 rsvd0[12];   /* dword 0 */
 521         u8 coalescwm[2];    /* dword 0 */
 522         u8 nodelay;     /* dword 0 */
 523         u8 rsvd1[12];   /* dword 0 */
 524         u8 count[2];    /* dword 0 */
 525         u8 valid;       /* dword 0 */
 526         u8 rsvd2;       /* dword 0 */
 527         u8 eventable;   /* dword 0 */
 528         u8 eqid[16];    /* dword 1 */
 529         u8 rsvd3[15];   /* dword 1 */
 530         u8 armed;       /* dword 1 */
 531         u8 cqecount[16];/* dword 2 */
 532         u8 rsvd4[16];   /* dword 2 */
 533         u8 rsvd5[32];   /* dword 3 */
 534 };
 535
 536 struct be_cmd_req_cq_create {
 537         struct be_cmd_req_hdr hdr;
 538         u16 num_pages;
 539         u8 page_size;
 540         u8 rsvd0;
 541         u8 context[sizeof(struct amap_cq_context) / 8];
 542         struct phys_addr pages[4];
 543 } __packed;
 544
 545 struct be_cmd_resp_cq_create {
 546         struct be_cmd_resp_hdr hdr;
 547         u16 cq_id;
 548         u16 rsvd0;
 549 } __packed;
 550
 551 /******************** Create MCCQ ***************************/
 552 /**
 553  * Pseudo amap definition in which each bit of the actual structure is defined
 554  * as a byte - used to calculate offset/shift/mask of each field
 555  */
 556 struct amap_mcc_context {
 557         u8 con_index[14];
 558         u8 rsvd0[2];
 559         u8 ring_size[4];
 560         u8 fetch_wrb;
 561         u8 fetch_r2t;
 562         u8 cq_id[10];
 563         u8 prod_index[14];
 564         u8 fid[8];
 565         u8 pdid[9];
 566         u8 valid;
 567         u8 rsvd1[32];
 568         u8 rsvd2[32];
 569 } __packed;
 570
 571 struct be_cmd_req_mcc_create {
 572         struct be_cmd_req_hdr hdr;
 573         u16 num_pages;
 574         u16 rsvd0;
 575         u8 context[sizeof(struct amap_mcc_context) / 8];
 576         struct phys_addr pages[8];
 577 } __packed;
 578
 579 struct be_cmd_resp_mcc_create {
 580         struct be_cmd_resp_hdr hdr;
 581         u16 id;
 582         u16 rsvd0;
 583 } __packed;
 584
 585 /******************** Q Destroy  ***************************/
 586 /* Type of Queue to be destroyed */
 587 enum {
 588         QTYPE_EQ = 1,
 589         QTYPE_CQ,
 590         QTYPE_MCCQ,
 591         QTYPE_WRBQ,
 592         QTYPE_DPDUQ,
 593         QTYPE_SGL
 594 };
 595
 596 struct be_cmd_req_q_destroy {
 597         struct be_cmd_req_hdr hdr;
 598         u16 id;
 599         u16 bypass_flush;       /* valid only for rx q destroy */
 600 } __packed;
 601
 602 struct macaddr {
 603         u8 byte[ETH_ALEN];
 604 };
 605
 606 struct be_cmd_req_mcast_mac_config {
 607         struct be_cmd_req_hdr hdr;
 608         u16 num_mac;
 609         u8 promiscuous;
 610         u8 interface_id;
 611         struct macaddr mac[32];
 612 } __packed;
 613
 614 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 615 {
 616         return wrb->payload.embedded_payload;
 617 }
 618
 619 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 620 {
 621         return &wrb->payload.sgl[0];
 622 }
 623
 624 /******************** Modify EQ Delay *******************/
 625 struct be_cmd_req_modify_eq_delay {
 626         struct be_cmd_req_hdr hdr;
 627         u32 num_eq;
 628         struct {
 629                 u32 eq_id;
 630                 u32 phase;
 631                 u32 delay_multiplier;
 632         } delay[MAX_CPUS];
 633 } __packed;
 634
 635 /******************** Get MAC ADDR *******************/
 636
 637 #define ETH_ALEN        6
 638
 639 struct be_cmd_get_nic_conf_req {
 640         struct be_cmd_req_hdr hdr;
 641         u32 nic_port_count;
 642         u32 speed;
 643         u32 max_speed;
 644         u32 link_state;
 645         u32 max_frame_size;
 646         u16 size_of_structure;
 647         u8 mac_address[ETH_ALEN];
 648         u32 rsvd[23];
 649 };
 650
 651 struct be_cmd_get_nic_conf_resp {
 652         struct be_cmd_resp_hdr hdr;
 653         u32 nic_port_count;
 654         u32 speed;
 655         u32 max_speed;
 656         u32 link_state;
 657         u32 max_frame_size;
 658         u16 size_of_structure;
 659         u8 mac_address[6];
 660         u32 rsvd[23];
 661 };
 662
 663 #define BEISCSI_ALIAS_LEN 32
 664
 665 struct be_cmd_hba_name {
 666         struct be_cmd_req_hdr hdr;
 667         u16 flags;
 668         u16 rsvd0;
 669         u8 initiator_name[ISCSI_NAME_LEN];
 670         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 671 } __packed;
 672
 673 struct be_cmd_ntwk_link_status_req {
 674         struct be_cmd_req_hdr hdr;
 675         u32 rsvd0;
 676 } __packed;
 677
 678 /*** Port Speed Values ***/
 679 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
 680 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 681 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 682 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 683 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 684 struct be_cmd_ntwk_link_status_resp {
 685         struct be_cmd_resp_hdr hdr;
 686         u8 phys_port;
 687         u8 mac_duplex;
 688         u8 mac_speed;
 689         u8 mac_fault;
 690         u8 mgmt_mac_duplex;
 691         u8 mgmt_mac_speed;
 692         u16 qos_link_speed;
 693         u32 logical_link_speed;
 694 } __packed;
 695
 696 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 697                           struct be_queue_info *eq, int eq_delay);
 698
 699 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 700                           struct be_queue_info *cq, struct be_queue_info *eq,
 701                           bool sol_evts, bool no_delay,
 702                           int num_cqe_dma_coalesce);
 703
 704 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 705                           int type);
 706 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 707                         struct be_queue_info *mccq,
 708                         struct be_queue_info *cq);
 709
 710 int be_poll_mcc(struct be_ctrl_info *ctrl);
 711 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 712                                       struct beiscsi_hba *phba);
 713 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 714 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
 715
 716 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 717
 718 int be_cmd_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
 719                             int num);
 720 int beiscsi_mccq_compl(struct beiscsi_hba *phba,
 721                         uint32_t tag, struct be_mcc_wrb **wrb,
 722                         struct be_dma_mem *mbx_cmd_mem);
 723 /*ISCSI Functuions */
 724 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 725 int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
 726
 727 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 728 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 729 int be_mcc_notify_wait(struct beiscsi_hba *phba);
 730 void be_mcc_notify(struct beiscsi_hba *phba);
 731 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 732 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 733                 struct be_async_event_link_state *evt);
 734 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 735                                     struct be_mcc_compl *compl);
 736
 737 int be_mbox_notify(struct be_ctrl_info *ctrl);
 738
 739 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 740                                     struct be_queue_info *cq,
 741                                     struct be_queue_info *dq, int length,
 742                                     int entry_size, uint8_t is_header,
 743                                     uint8_t ulp_num);
 744
 745 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
 746                                     struct be_dma_mem *q_mem);
 747
 748 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
 749
 750 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 751                                 struct be_dma_mem *q_mem, u32 page_offset,
 752                                 u32 num_pages);
 753
 754 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 755
 756 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 757                        struct be_queue_info *wrbq,
 758                        struct hwi_wrb_context *pwrb_context,
 759                        uint8_t ulp_num);
 760
 761 bool is_link_state_evt(u32 trailer);
 762
 763 /* Configuration Functions */
 764 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
 765
 766 struct be_default_pdu_context {
 767         u32 dw[4];
 768 } __packed;
 769
 770 struct amap_be_default_pdu_context {
 771         u8 dbuf_cindex[13];     /* dword 0 */
 772         u8 rsvd0[3];            /* dword 0 */
 773         u8 ring_size[4];        /* dword 0 */
 774         u8 ring_state[4];       /* dword 0 */
 775         u8 rsvd1[8];            /* dword 0 */
 776         u8 dbuf_pindex[13];     /* dword 1 */
 777         u8 rsvd2;               /* dword 1 */
 778         u8 pci_func_id[8];      /* dword 1 */
 779         u8 rx_pdid[9];          /* dword 1 */
 780         u8 rx_pdid_valid;       /* dword 1 */
 781         u8 default_buffer_size[16];     /* dword 2 */
 782         u8 cq_id_recv[10];      /* dword 2 */
 783         u8 rx_pdid_not_valid;   /* dword 2 */
 784         u8 rsvd3[5];            /* dword 2 */
 785         u8 rsvd4[32];           /* dword 3 */
 786 } __packed;
 787
 788 struct amap_default_pdu_context_ext {
 789         u8 rsvd0[16];   /* dword 0 */
 790         u8 ring_size[4];    /* dword 0 */
 791         u8 rsvd1[12];   /* dword 0 */
 792         u8 rsvd2[22];   /* dword 1 */
 793         u8 rx_pdid[9];  /* dword 1 */
 794         u8 rx_pdid_valid;   /* dword 1 */
 795         u8 default_buffer_size[16]; /* dword 2 */
 796         u8 cq_id_recv[16];  /* dword 2 */
 797         u8 rsvd3[32];   /* dword 3 */
 798 } __packed;
 799
 800 struct be_defq_create_req {
 801         struct be_cmd_req_hdr hdr;
 802         u16 num_pages;
 803         u8 ulp_num;
 804 #define BEISCSI_DUAL_ULP_AWARE_BIT      0       /* Byte 3 - Bit 0 */
 805 #define BEISCSI_BIND_Q_TO_ULP_BIT       1       /* Byte 3 - Bit 1 */
 806         u8 dua_feature;
 807         struct be_default_pdu_context context;
 808         struct phys_addr pages[8];
 809 } __packed;
 810
 811 struct be_defq_create_resp {
 812         struct be_cmd_req_hdr hdr;
 813         u16 id;
 814         u8 rsvd0;
 815         u8 ulp_num;
 816         u32 doorbell_offset;
 817         u16 register_set;
 818         u16 doorbell_format;
 819 } __packed;
 820
 821 struct be_post_template_pages_req {
 822         struct be_cmd_req_hdr hdr;
 823         u16 num_pages;
 824 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
 825         u16 type;
 826         struct phys_addr scratch_pa;
 827         struct virt_addr scratch_va;
 828         struct virt_addr pages_va;
 829         struct phys_addr pages[16];
 830 } __packed;
 831
 832 struct be_remove_template_pages_req {
 833         struct be_cmd_req_hdr hdr;
 834         u16 type;
 835         u16 rsvd0;
 836 } __packed;
 837
 838 struct be_post_sgl_pages_req {
 839         struct be_cmd_req_hdr hdr;
 840         u16 num_pages;
 841         u16 page_offset;
 842         u32 rsvd0;
 843         struct phys_addr pages[26];
 844         u32 rsvd1;
 845 } __packed;
 846
 847 struct be_wrbq_create_req {
 848         struct be_cmd_req_hdr hdr;
 849         u16 num_pages;
 850         u8 ulp_num;
 851         u8 dua_feature;
 852         struct phys_addr pages[8];
 853 } __packed;
 854
 855 struct be_wrbq_create_resp {
 856         struct be_cmd_resp_hdr resp_hdr;
 857         u16 cid;
 858         u8 rsvd0;
 859         u8 ulp_num;
 860         u32 doorbell_offset;
 861         u16 register_set;
 862         u16 doorbell_format;
 863 } __packed;
 864
 865 #define SOL_CID_MASK            0x0000FFC0
 866 #define SOL_CODE_MASK           0x0000003F
 867 #define SOL_WRB_INDEX_MASK      0x00FF0000
 868 #define SOL_CMD_WND_MASK        0xFF000000
 869 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 870 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 871 #define SOL_HW_STS_MASK         0x000000FF
 872 #define SOL_STS_MASK            0x0000FF00
 873 #define SOL_RESP_MASK           0x00FF0000
 874 #define SOL_FLAGS_MASK          0x7F000000
 875 #define SOL_S_MASK              0x80000000
 876
 877 struct sol_cqe {
 878         u32 dw[4];
 879 };
 880
 881 struct amap_sol_cqe {
 882         u8 hw_sts[8];           /* dword 0 */
 883         u8 i_sts[8];            /* dword 0 */
 884         u8 i_resp[8];           /* dword 0 */
 885         u8 i_flags[7];          /* dword 0 */
 886         u8 s;                   /* dword 0 */
 887         u8 i_exp_cmd_sn[32];    /* dword 1 */
 888         u8 code[6];             /* dword 2 */
 889         u8 cid[10];             /* dword 2 */
 890         u8 wrb_index[8];        /* dword 2 */
 891         u8 i_cmd_wnd[8];        /* dword 2 */
 892         u8 i_res_cnt[31];       /* dword 3 */
 893         u8 valid;               /* dword 3 */
 894 } __packed;
 895
 896 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 897 struct amap_sol_cqe_ring {
 898         u8 hw_sts[8];           /* dword 0 */
 899         u8 i_sts[8];            /* dword 0 */
 900         u8 i_resp[8];           /* dword 0 */
 901         u8 i_flags[7];          /* dword 0 */
 902         u8 s;                   /* dword 0 */
 903         u8 i_exp_cmd_sn[32];    /* dword 1 */
 904         u8 code[6];             /* dword 2 */
 905         u8 icd_index[12];       /* dword 2 */
 906         u8 rsvd[6];             /* dword 2 */
 907         u8 i_cmd_wnd[8];        /* dword 2 */
 908         u8 i_res_cnt[31];       /* dword 3 */
 909         u8 valid;               /* dword 3 */
 910 } __packed;
 911
 912 struct amap_sol_cqe_v2 {
 913         u8 hw_sts[8];   /* dword 0 */
 914         u8 i_sts[8];    /* dword 0 */
 915         u8 wrb_index[16];   /* dword 0 */
 916         u8 i_exp_cmd_sn[32];    /* dword 1 */
 917         u8 code[6]; /* dword 2 */
 918         u8 cmd_cmpl;    /* dword 2 */
 919         u8 rsvd0;   /* dword 2 */
 920         u8 i_cmd_wnd[8];    /* dword 2 */
 921         u8 cid[13]; /* dword 2 */
 922         u8 u;   /* dword 2 */
 923         u8 o;   /* dword 2 */
 924         u8 s;   /* dword 2 */
 925         u8 i_res_cnt[31];   /* dword 3 */
 926         u8 valid;   /* dword 3 */
 927 } __packed;
 928
 929 struct common_sol_cqe {
 930         u32 exp_cmdsn;
 931         u32 res_cnt;
 932         u16 wrb_index;
 933         u16 cid;
 934         u8 hw_sts;
 935         u8 cmd_wnd;
 936         u8 res_flag; /* the s feild of structure */
 937         u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
 938         u8 i_flags; /* for skh or the u and o feilds */
 939         u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
 940 };
 941
 942 /*** iSCSI ack/driver message completions ***/
 943 struct amap_it_dmsg_cqe {
 944         u8 ack_num[32]; /* DWORD 0 */
 945         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 946         u8 code[6]; /* DWORD 2 */
 947         u8 cid[10]; /* DWORD 2 */
 948         u8 wrb_idx[8];  /* DWORD 2 */
 949         u8 rsvd0[8];    /* DWORD 2*/
 950         u8 rsvd1[31];   /* DWORD 3*/
 951         u8 valid;   /* DWORD 3 */
 952 } __packed;
 953
 954 struct amap_it_dmsg_cqe_v2 {
 955         u8 ack_num[32]; /* DWORD 0 */
 956         u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
 957         u8 code[6]; /* DWORD 2 */
 958         u8 rsvd0[10];   /* DWORD 2 */
 959         u8 wrb_idx[16]; /* DWORD 2 */
 960         u8 rsvd1[16];   /* DWORD 3 */
 961         u8 cid[13]; /* DWORD 3 */
 962         u8 rsvd2[2];    /* DWORD 3 */
 963         u8 valid;   /* DWORD 3 */
 964 } __packed;
 965
 966
 967 /**
 968  * Post WRB Queue Doorbell Register used by the host Storage
 969  * stack to notify the
 970  * controller of a posted Work Request Block
 971  */
 972 #define DB_WRB_POST_CID_MASK            0xFFFF  /* bits 0 - 16 */
 973 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 974
 975 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 976 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 977
 978 struct fragnum_bits_for_sgl_cra_in {
 979         struct be_cmd_req_hdr hdr;
 980         u32 num_bits;
 981 } __packed;
 982
 983 struct iscsi_cleanup_req {
 984         struct be_cmd_req_hdr hdr;
 985         u16 chute;
 986         u8 hdr_ring_id;
 987         u8 data_ring_id;
 988
 989 } __packed;
 990
 991 struct eq_delay {
 992         u32 eq_id;
 993         u32 phase;
 994         u32 delay_multiplier;
 995 } __packed;
 996
 997 struct be_eq_delay_params_in {
 998         struct be_cmd_req_hdr hdr;
 999         u32 num_eq;
1000         struct eq_delay delay[8];
1001 } __packed;
1002
1003 struct tcp_connect_and_offload_in {
1004         struct be_cmd_req_hdr hdr;
1005         struct ip_addr_format ip_address;
1006         u16 tcp_port;
1007         u16 cid;
1008         u16 cq_id;
1009         u16 defq_id;
1010         struct phys_addr dataout_template_pa;
1011         u16 hdr_ring_id;
1012         u16 data_ring_id;
1013         u8 do_offload;
1014         u8 rsvd0[3];
1015 } __packed;
1016
1017 struct tcp_connect_and_offload_in_v1 {
1018         struct be_cmd_req_hdr hdr;
1019         struct ip_addr_format ip_address;
1020         u16 tcp_port;
1021         u16 cid;
1022         u16 cq_id;
1023         u16 defq_id;
1024         struct phys_addr dataout_template_pa;
1025         u16 hdr_ring_id;
1026         u16 data_ring_id;
1027         u8 do_offload;
1028         u8 ifd_state;
1029         u8 rsvd0[2];
1030         u16 tcp_window_size;
1031         u8 tcp_window_scale_count;
1032         u8 rsvd1;
1033         u32 tcp_mss:24;
1034         u8 rsvd2;
1035 } __packed;
1036
1037 struct tcp_connect_and_offload_out {
1038         struct be_cmd_resp_hdr hdr;
1039         u32 connection_handle;
1040         u16 cid;
1041         u16 rsvd0;
1042
1043 } __packed;
1044
1045 struct be_mcc_wrb_context {
1046         struct MCC_WRB *wrb;
1047         int *users_final_status;
1048 } __packed;
1049
1050 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF  /* bits 0 - 13 */
1051 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 16 - 29 */
1052 #define DB_DEF_PDU_REARM_SHIFT          14
1053 #define DB_DEF_PDU_EVENT_SHIFT          15
1054 #define DB_DEF_PDU_CQPROC_SHIFT         16
1055
1056 struct dmsg_cqe {
1057         u32 dw[4];
1058 } __packed;
1059
1060 struct tcp_upload_params_in {
1061         struct be_cmd_req_hdr hdr;
1062         u16 id;
1063         u16 upload_type;
1064         u32 reset_seq;
1065 } __packed;
1066
1067 struct tcp_upload_params_out {
1068         u32 dw[32];
1069 } __packed;
1070
1071 union tcp_upload_params {
1072         struct tcp_upload_params_in request;
1073         struct tcp_upload_params_out response;
1074 } __packed;
1075
1076 struct be_ulp_fw_cfg {
1077 #define BEISCSI_ULP_ISCSI_INI_MODE      0x10
1078         u32 ulp_mode;
1079         u32 etx_base;
1080         u32 etx_count;
1081         u32 sq_base;
1082         u32 sq_count;
1083         u32 rq_base;
1084         u32 rq_count;
1085         u32 dq_base;
1086         u32 dq_count;
1087         u32 lro_base;
1088         u32 lro_count;
1089         u32 icd_base;
1090         u32 icd_count;
1091 };
1092
1093 struct be_ulp_chain_icd {
1094         u32 chain_base;
1095         u32 chain_count;
1096 };
1097
1098 struct be_fw_cfg {
1099         struct be_cmd_req_hdr hdr;
1100         u32 be_config_number;
1101         u32 asic_revision;
1102         u32 phys_port;
1103 #define BEISCSI_FUNC_ISCSI_INI_MODE     0x10
1104 #define BEISCSI_FUNC_DUA_MODE   0x800
1105         u32 function_mode;
1106         struct be_ulp_fw_cfg ulp[2];
1107         u32 function_caps;
1108         u32 cqid_base;
1109         u32 cqid_count;
1110         u32 eqid_base;
1111         u32 eqid_count;
1112         struct be_ulp_chain_icd chain_icd[2];
1113 } __packed;
1114
1115 struct be_cmd_get_all_if_id_req {
1116         struct be_cmd_req_hdr hdr;
1117         u32 if_count;
1118         u32 if_hndl_list[1];
1119 } __packed;
1120
1121 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
1122 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1123 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
1124 #define OPCODE_COMMON_ISCSI_CLEANUP             59
1125 #define OPCODE_COMMON_TCP_UPLOAD                56
1126 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1127 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1128 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
1129 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
1130 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1131 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1132 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1133 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1134 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
1135 #define OPCODE_COMMON_WRITE_FLASH               96
1136 #define OPCODE_COMMON_READ_FLASH                97
1137
1138 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
1139 #define CMD_ISCSI_COMMAND_INVALIDATE            1
1140 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
1141 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
1142
1143 #define INI_WR_CMD                      1       /* Initiator write command */
1144 #define INI_TMF_CMD                     2       /* Initiator TMF command */
1145 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
1146 #define INI_RD_CMD                      5       /* Initiator requesting to send
1147                                                  * a read command
1148                                                  */
1149 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
1150 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
1151                                                  * where only the status number
1152                                                  * need to be updated
1153                                                  */
1154 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
1155                                                  * to read command
1156                                                  */
1157 #define TGT_SOS_PDU                     10      /* Target:standalone status
1158                                                  * response
1159                                                  */
1160 #define TGT_DM_CMD                      11      /* Indicates that the bhs
1161                                                  *  preparedby
1162                                                  * driver should not be touched
1163                                                  */
1164 /* --- CMD_CHUTE_TYPE --- */
1165 #define CMD_CONNECTION_CHUTE_0          1
1166 #define CMD_CONNECTION_CHUTE_1          2
1167 #define CMD_CONNECTION_CHUTE_2          3
1168
1169 #define EQ_MAJOR_CODE_COMPLETION        0
1170
1171 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
1172 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
1173
1174 /* --- CONNECTION_UPLOAD_PARAMS --- */
1175 /* These parameters are used to define the type of upload desired.  */
1176 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
1177 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
1178                                                  * reset
1179                                                  */
1180 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
1181                                                  * reset
1182                                                  */
1183 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
1184                                                  * sequence number by driver  */
1185
1186 /* Returns the number of items in the field array. */
1187 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
1188         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1189
1190 /**
1191  * Different types of iSCSI completions to host driver for both initiator
1192  * and taget mode
1193  * of operation.
1194  */
1195 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
1196                                                  * normally
1197                                                  */
1198 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
1199                                                  * invalidated internally due
1200                                                  * to Data Digest error
1201                                                  */
1202 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
1203                                                  * internally
1204                                                  * due to a received PDU
1205                                                  * size > DSL
1206                                                  */
1207 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
1208                                                  * internally due ti received
1209                                                  * PDU sequence size >
1210                                                  * FBL/MBL.
1211                                                  */
1212 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
1213                                                  * internally due to a received
1214                                                  * PDU Hdr that has
1215                                                  * AHS */
1216 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1217                                                  * internally due to Hdr Digest
1218                                                  * error
1219                                                  */
1220 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1221                                                  *  internally
1222                                                  * due to a bad opcode in the
1223                                                  * pdu hdr
1224                                                  */
1225 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1226                                                  * internally due to a received
1227                                                  * ITT/TTT that does not belong
1228                                                  * to this Connection
1229                                                  */
1230 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1231                                                  * internally due to received
1232                                                  * ITT/TTT value > Max
1233                                                  * Supported ITTs/TTTs
1234                                                  */
1235 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1236                                                  * internally due to an
1237                                                  * incoming TCP RST
1238                                                  */
1239 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1240                                                  * internally due to timeout on
1241                                                  * tcp segment 12 retransmit
1242                                                  * attempts failed
1243                                                  */
1244 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1245                                                  * internally due to TCP RST
1246                                                  * sent by the Tx side
1247                                                  */
1248 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1249                                                  * internally due to an
1250                                                  * incoming TCP FIN.
1251                                                  */
1252 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1253                                                  * internally due to bad
1254                                                  * unsolicited PDU Unsolicited
1255                                                  * PDUs are PDUs with
1256                                                  * ITT=0xffffffff
1257                                                  */
1258 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1259                                                  * internally due to bad WRB
1260                                                  * index.
1261                                                  */
1262 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1263                                                  * internally due to received
1264                                                  * command has residual
1265                                                  * over run bytes.
1266                                                  */
1267 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1268                                                  * internally due to received
1269                                                  * command has residual under
1270                                                  * run bytes.
1271                                                  */
1272 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1273                                                  * internally due to a received
1274                                                  * PDU has an invalid StatusSN
1275                                                  */
1276 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1277                                                  * internally due to a received
1278                                                  * an R2T with some invalid
1279                                                  * fields in it
1280                                                  */
1281 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1282                                                  * internally due to received
1283                                                  * PDU has an invalid LUN.
1284                                                  */
1285 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1286                                                  * internally due to the
1287                                                  * corresponding ICD not in a
1288                                                  * valid state
1289                                                  */
1290 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1291                                                  *  to received PDU has an
1292                                                  *  invalid ITT.
1293                                                  */
1294 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1295                                                  * to received sequence buffer
1296                                                  * offset is out of order.
1297                                                  */
1298 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1299                                                  * internally due to a
1300                                                  * received PDU has an invalid
1301                                                  * DataSN
1302                                                  */
1303 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1304                                                  * completion notify.
1305                                                  */
1306 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1307                                                  * completion
1308                                                  * with data PDU index.
1309                                                  */
1310 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1311                                                  * completionnotifify.
1312                                                  */
1313 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1314 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1315 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1316                                                  * error notify.
1317                                                  */
1318 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1319                                                  * notification.
1320                                                  */
1321 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1322                                                   * internally due to command
1323                                                   * and data are not on same
1324                                                   * connection.
1325                                                   */
1326 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1327                                                  *  invalidated internally due
1328                                                  *  to DIF error
1329                                                  */
1330 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1331                                                  * internally due to incoming
1332                                                  * TCP SYN
1333                                                  */
1334 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1335                                                  * internally due to an
1336                                                  * incoming Unsolicited PDU
1337                                                  * that has immediate data on
1338                                                  * the cxn
1339                                                  */
1340
1341 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1342 int be_chk_reset_complete(struct beiscsi_hba *phba);
1343
1344 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1345                         bool embedded, u8 sge_cnt);
1346
1347 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1348                         u8 subsystem, u8 opcode, int cmd_len);
1349
1350 void be2iscsi_fail_session(struct iscsi_cls_session *cls_session);
1351 #endif /* !BEISCSI_CMDS_H */