drivers/scsi/be2iscsi/be_cmds.h

   1 /**
   2  * Copyright (C) 2005 - 2011 Emulex
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation.  The full GNU General
   8  * Public License is included in this distribution in the file called COPYING.
   9  *
  10  * Contact Information:
  11  * linux-drivers@emulex.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         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                 u8 embedded_payload[236];       /* used by embedded cmds */
  44                 struct be_sge sgl[19];  /* used by non-embedded cmds */
  45         } payload;
  46 };
  47
  48 #define CQE_FLAGS_VALID_MASK (1 << 31)
  49 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
  50 #define CQE_FLAGS_COMPLETED_MASK        (1 << 28)
  51 #define CQE_FLAGS_CONSUMED_MASK         (1 << 27)
  52
  53 /* Completion Status */
  54 #define MCC_STATUS_SUCCESS 0x0
  55
  56 #define CQE_STATUS_COMPL_MASK 0xFFFF
  57 #define CQE_STATUS_COMPL_SHIFT 0        /* bits 0 - 15 */
  58 #define CQE_STATUS_EXTD_MASK 0xFFFF
  59 #define CQE_STATUS_EXTD_SHIFT 16                /* bits 0 - 15 */
  60
  61 struct be_mcc_compl {
  62         u32 status;             /* dword 0 */
  63         u32 tag0;               /* dword 1 */
  64         u32 tag1;               /* dword 2 */
  65         u32 flags;              /* dword 3 */
  66 };
  67
  68 /********* Mailbox door bell *************/
  69 /**
  70  * Used for driver communication with the FW.
  71  * The software must write this register twice to post any command. First,
  72  * it writes the register with hi=1 and the upper bits of the physical address
  73  * for the MAILBOX structure. Software must poll the ready bit until this
  74  * is acknowledged. Then, sotware writes the register with hi=0 with the lower
  75  * bits in the address. It must poll the ready bit until the command is
  76  * complete. Upon completion, the MAILBOX will contain a valid completion
  77  * queue entry.
  78  */
  79 #define MPU_MAILBOX_DB_OFFSET   0x160
  80 #define MPU_MAILBOX_DB_RDY_MASK 0x1     /* bit 0 */
  81 #define MPU_MAILBOX_DB_HI_MASK  0x2     /* bit 1 */
  82
  83 /********** MPU semphore ******************/
  84 #define MPU_EP_SEMAPHORE_OFFSET 0xac
  85 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
  86 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
  87 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
  88
  89 /********** MCC door bell ************/
  90 #define DB_MCCQ_OFFSET 0x140
  91 #define DB_MCCQ_RING_ID_MASK 0x7FF              /* bits 0 - 10 */
  92 /* Number of entries posted */
  93 #define DB_MCCQ_NUM_POSTED_SHIFT 16             /* bits 16 - 29 */
  94
  95 /* MPU semphore POST stage values */
  96 #define POST_STAGE_ARMFW_RDY            0xc000  /* FW is done with POST */
  97
  98 /**
  99  * When the async bit of mcc_compl is set, the last 4 bytes of
 100  * mcc_compl is interpreted as follows:
 101  */
 102 #define ASYNC_TRAILER_EVENT_CODE_SHIFT  8       /* bits 8 - 15 */
 103 #define ASYNC_TRAILER_EVENT_CODE_MASK   0xFF
 104 #define ASYNC_EVENT_CODE_LINK_STATE     0x1
 105 struct be_async_event_trailer {
 106         u32 code;
 107 };
 108
 109 enum {
 110         ASYNC_EVENT_LINK_DOWN = 0x0,
 111         ASYNC_EVENT_LINK_UP = 0x1
 112 };
 113
 114 /**
 115  * When the event code of an async trailer is link-state, the mcc_compl
 116  * must be interpreted as follows
 117  */
 118 struct be_async_event_link_state {
 119         u8 physical_port;
 120         u8 port_link_status;
 121         u8 port_duplex;
 122         u8 port_speed;
 123         u8 port_fault;
 124         u8 rsvd0[7];
 125         struct be_async_event_trailer trailer;
 126 } __packed;
 127
 128 struct be_mcc_mailbox {
 129         struct be_mcc_wrb wrb;
 130         struct be_mcc_compl compl;
 131 };
 132
 133 /* Type of subsystems supported by FW */
 134 #define CMD_SUBSYSTEM_COMMON    0x1
 135 #define CMD_SUBSYSTEM_ISCSI     0x2
 136 #define CMD_SUBSYSTEM_ETH       0x3
 137 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
 138 #define CMD_COMMON_TCP_UPLOAD   0x1
 139
 140 /**
 141  * List of common opcodes subsystem  CMD_SUBSYSTEM_COMMON
 142  * These opcodes are unique for each subsystem defined above
 143  */
 144 #define OPCODE_COMMON_CQ_CREATE                         12
 145 #define OPCODE_COMMON_EQ_CREATE                         13
 146 #define OPCODE_COMMON_MCC_CREATE                        21
 147 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES               32
 148 #define OPCODE_COMMON_GET_FW_VERSION                    35
 149 #define OPCODE_COMMON_MODIFY_EQ_DELAY                   41
 150 #define OPCODE_COMMON_FIRMWARE_CONFIG                   42
 151 #define OPCODE_COMMON_MCC_DESTROY                       53
 152 #define OPCODE_COMMON_CQ_DESTROY                        54
 153 #define OPCODE_COMMON_EQ_DESTROY                        55
 154 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG             58
 155 #define OPCODE_COMMON_FUNCTION_RESET                    61
 156
 157 /**
 158  * LIST of opcodes that are common between Initiator and Target
 159  * used by CMD_SUBSYSTEM_ISCSI
 160  * These opcodes are unique for each subsystem defined above
 161  */
 162 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES          2
 163 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
 164 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG         7
 165 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN               14
 166 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR       17
 167 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR  18
 168 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR         21
 169 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY    22
 170 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
 171 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID          24
 172 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO            25
 173 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
 174 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
 175 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY                65
 176 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE                 66
 177 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY                67
 178
 179 struct be_cmd_req_hdr {
 180         u8 opcode;              /* dword 0 */
 181         u8 subsystem;           /* dword 0 */
 182         u8 port_number;         /* dword 0 */
 183         u8 domain;              /* dword 0 */
 184         u32 timeout;            /* dword 1 */
 185         u32 request_length;     /* dword 2 */
 186         u32 rsvd0;              /* dword 3 */
 187 };
 188
 189 struct be_cmd_resp_hdr {
 190         u32 info;               /* dword 0 */
 191         u32 status;             /* dword 1 */
 192         u32 response_length;    /* dword 2 */
 193         u32 actual_resp_len;    /* dword 3 */
 194 };
 195
 196 struct phys_addr {
 197         u32 lo;
 198         u32 hi;
 199 };
 200
 201 /**************************
 202  * BE Command definitions *
 203  **************************/
 204
 205 /**
 206  * Pseudo amap definition in which each bit of the actual structure is defined
 207  * as a byte - used to calculate offset/shift/mask of each field
 208  */
 209 struct amap_eq_context {
 210         u8 cidx[13];            /* dword 0 */
 211         u8 rsvd0[3];            /* dword 0 */
 212         u8 epidx[13];           /* dword 0 */
 213         u8 valid;               /* dword 0 */
 214         u8 rsvd1;               /* dword 0 */
 215         u8 size;                /* dword 0 */
 216         u8 pidx[13];            /* dword 1 */
 217         u8 rsvd2[3];            /* dword 1 */
 218         u8 pd[10];              /* dword 1 */
 219         u8 count[3];            /* dword 1 */
 220         u8 solevent;            /* dword 1 */
 221         u8 stalled;             /* dword 1 */
 222         u8 armed;               /* dword 1 */
 223         u8 rsvd3[4];            /* dword 2 */
 224         u8 func[8];             /* dword 2 */
 225         u8 rsvd4;               /* dword 2 */
 226         u8 delaymult[10];       /* dword 2 */
 227         u8 rsvd5[2];            /* dword 2 */
 228         u8 phase[2];            /* dword 2 */
 229         u8 nodelay;             /* dword 2 */
 230         u8 rsvd6[4];            /* dword 2 */
 231         u8 rsvd7[32];           /* dword 3 */
 232 } __packed;
 233
 234 struct be_cmd_req_eq_create {
 235         struct be_cmd_req_hdr hdr;      /* dw[4] */
 236         u16 num_pages;          /* sword */
 237         u16 rsvd0;              /* sword */
 238         u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
 239         struct phys_addr pages[8];
 240 } __packed;
 241
 242 struct be_cmd_resp_eq_create {
 243         struct be_cmd_resp_hdr resp_hdr;
 244         u16 eq_id;              /* sword */
 245         u16 rsvd0;              /* sword */
 246 } __packed;
 247
 248 struct mgmt_chap_format {
 249         u32 flags;
 250         u8  intr_chap_name[256];
 251         u8  intr_secret[16];
 252         u8  target_chap_name[256];
 253         u8  target_secret[16];
 254         u16 intr_chap_name_length;
 255         u16 intr_secret_length;
 256         u16 target_chap_name_length;
 257         u16 target_secret_length;
 258 } __packed;
 259
 260 struct mgmt_auth_method_format {
 261         u8      auth_method_type;
 262         u8      padding[3];
 263         struct  mgmt_chap_format chap;
 264 } __packed;
 265
 266 struct mgmt_conn_login_options {
 267         u8 flags;
 268         u8 header_digest;
 269         u8 data_digest;
 270         u8 rsvd0;
 271         u32 max_recv_datasegment_len_ini;
 272         u32 max_recv_datasegment_len_tgt;
 273         u32 tcp_mss;
 274         u32 tcp_window_size;
 275         struct  mgmt_auth_method_format auth_data;
 276 } __packed;
 277
 278 struct ip_addr_format {
 279         u16 size_of_structure;
 280         u8 reserved;
 281         u8 ip_type;
 282         u8 addr[16];
 283         u32 rsvd0;
 284 } __packed;
 285
 286 struct mgmt_conn_info {
 287         u32     connection_handle;
 288         u32     connection_status;
 289         u16     src_port;
 290         u16     dest_port;
 291         u16     dest_port_redirected;
 292         u16     cid;
 293         u32     estimated_throughput;
 294         struct  ip_addr_format  src_ipaddr;
 295         struct  ip_addr_format  dest_ipaddr;
 296         struct  ip_addr_format  dest_ipaddr_redirected;
 297         struct  mgmt_conn_login_options negotiated_login_options;
 298 } __packed;
 299
 300 struct mgmt_session_login_options {
 301         u8      flags;
 302         u8      error_recovery_level;
 303         u16     rsvd0;
 304         u32     first_burst_length;
 305         u32     max_burst_length;
 306         u16     max_connections;
 307         u16     max_outstanding_r2t;
 308         u16     default_time2wait;
 309         u16     default_time2retain;
 310 } __packed;
 311
 312 struct mgmt_session_info {
 313         u32     session_handle;
 314         u32     status;
 315         u8      isid[6];
 316         u16     tsih;
 317         u32     session_flags;
 318         u16     conn_count;
 319         u16     pad;
 320         u8      target_name[224];
 321         u8      initiator_iscsiname[224];
 322         struct  mgmt_session_login_options negotiated_login_options;
 323         struct  mgmt_conn_info  conn_list[1];
 324 } __packed;
 325
 326 struct be_cmd_get_session_req {
 327         struct be_cmd_req_hdr hdr;
 328         u32 session_handle;
 329 } __packed;
 330
 331 struct be_cmd_get_session_resp {
 332         struct be_cmd_resp_hdr hdr;
 333         struct mgmt_session_info session_info;
 334 } __packed;
 335
 336 struct mac_addr {
 337         u16 size_of_structure;
 338         u8 addr[ETH_ALEN];
 339 } __packed;
 340
 341 struct be_cmd_get_boot_target_req {
 342         struct be_cmd_req_hdr hdr;
 343 } __packed;
 344
 345 struct be_cmd_get_boot_target_resp {
 346         struct be_cmd_resp_hdr hdr;
 347         u32  boot_session_count;
 348         int  boot_session_handle;
 349 };
 350
 351 struct be_cmd_mac_query_req {
 352         struct be_cmd_req_hdr hdr;
 353         u8 type;
 354         u8 permanent;
 355         u16 if_id;
 356 } __packed;
 357
 358 struct be_cmd_get_mac_resp {
 359         struct be_cmd_resp_hdr hdr;
 360         struct mac_addr mac;
 361 };
 362
 363 struct be_ip_addr_subnet_format {
 364         u16 size_of_structure;
 365         u8 ip_type;
 366         u8 ipv6_prefix_length;
 367         u8 addr[16];
 368         u8 subnet_mask[16];
 369         u32 rsvd0;
 370 } __packed;
 371
 372 struct be_cmd_get_if_info_req {
 373         struct be_cmd_req_hdr hdr;
 374         u32 interface_hndl;
 375         u32 ip_type;
 376 } __packed;
 377
 378 struct be_cmd_get_if_info_resp {
 379         struct be_cmd_req_hdr hdr;
 380         u32 interface_hndl;
 381         u32 vlan_priority;
 382         u32 ip_addr_count;
 383         u32 dhcp_state;
 384         struct be_ip_addr_subnet_format ip_addr;
 385 } __packed;
 386
 387 struct be_ip_addr_record {
 388         u32 action;
 389         u32 interface_hndl;
 390         struct be_ip_addr_subnet_format ip_addr;
 391         u32 status;
 392 } __packed;
 393
 394 struct be_ip_addr_record_params {
 395         u32 record_entry_count;
 396         struct be_ip_addr_record ip_record;
 397 } __packed;
 398
 399 struct be_cmd_set_ip_addr_req {
 400         struct be_cmd_req_hdr hdr;
 401         struct be_ip_addr_record_params ip_params;
 402 } __packed;
 403
 404
 405 struct be_cmd_set_dhcp_req {
 406         struct be_cmd_req_hdr hdr;
 407         u32 interface_hndl;
 408         u32 ip_type;
 409         u32 flags;
 410         u32 retry_count;
 411 } __packed;
 412
 413 struct be_cmd_rel_dhcp_req {
 414         struct be_cmd_req_hdr hdr;
 415         u32 interface_hndl;
 416         u32 ip_type;
 417 } __packed;
 418
 419 struct be_cmd_set_def_gateway_req {
 420         struct be_cmd_req_hdr hdr;
 421         u32 action;
 422         struct ip_addr_format ip_addr;
 423 } __packed;
 424
 425 struct be_cmd_get_def_gateway_req {
 426         struct be_cmd_req_hdr hdr;
 427         u32 ip_type;
 428 } __packed;
 429
 430 struct be_cmd_get_def_gateway_resp {
 431         struct be_cmd_req_hdr hdr;
 432         struct ip_addr_format ip_addr;
 433 } __packed;
 434
 435 /******************** Create CQ ***************************/
 436 /**
 437  * Pseudo amap definition in which each bit of the actual structure is defined
 438  * as a byte - used to calculate offset/shift/mask of each field
 439  */
 440 struct amap_cq_context {
 441         u8 cidx[11];            /* dword 0 */
 442         u8 rsvd0;               /* dword 0 */
 443         u8 coalescwm[2];        /* dword 0 */
 444         u8 nodelay;             /* dword 0 */
 445         u8 epidx[11];           /* dword 0 */
 446         u8 rsvd1;               /* dword 0 */
 447         u8 count[2];            /* dword 0 */
 448         u8 valid;               /* dword 0 */
 449         u8 solevent;            /* dword 0 */
 450         u8 eventable;           /* dword 0 */
 451         u8 pidx[11];            /* dword 1 */
 452         u8 rsvd2;               /* dword 1 */
 453         u8 pd[10];              /* dword 1 */
 454         u8 eqid[8];             /* dword 1 */
 455         u8 stalled;             /* dword 1 */
 456         u8 armed;               /* dword 1 */
 457         u8 rsvd3[4];            /* dword 2 */
 458         u8 func[8];             /* dword 2 */
 459         u8 rsvd4[20];           /* dword 2 */
 460         u8 rsvd5[32];           /* dword 3 */
 461 } __packed;
 462
 463 struct be_cmd_req_cq_create {
 464         struct be_cmd_req_hdr hdr;
 465         u16 num_pages;
 466         u16 rsvd0;
 467         u8 context[sizeof(struct amap_cq_context) / 8];
 468         struct phys_addr pages[4];
 469 } __packed;
 470
 471 struct be_cmd_resp_cq_create {
 472         struct be_cmd_resp_hdr hdr;
 473         u16 cq_id;
 474         u16 rsvd0;
 475 } __packed;
 476
 477 /******************** Create MCCQ ***************************/
 478 /**
 479  * Pseudo amap definition in which each bit of the actual structure is defined
 480  * as a byte - used to calculate offset/shift/mask of each field
 481  */
 482 struct amap_mcc_context {
 483         u8 con_index[14];
 484         u8 rsvd0[2];
 485         u8 ring_size[4];
 486         u8 fetch_wrb;
 487         u8 fetch_r2t;
 488         u8 cq_id[10];
 489         u8 prod_index[14];
 490         u8 fid[8];
 491         u8 pdid[9];
 492         u8 valid;
 493         u8 rsvd1[32];
 494         u8 rsvd2[32];
 495 } __packed;
 496
 497 struct be_cmd_req_mcc_create {
 498         struct be_cmd_req_hdr hdr;
 499         u16 num_pages;
 500         u16 rsvd0;
 501         u8 context[sizeof(struct amap_mcc_context) / 8];
 502         struct phys_addr pages[8];
 503 } __packed;
 504
 505 struct be_cmd_resp_mcc_create {
 506         struct be_cmd_resp_hdr hdr;
 507         u16 id;
 508         u16 rsvd0;
 509 } __packed;
 510
 511 /******************** Q Destroy  ***************************/
 512 /* Type of Queue to be destroyed */
 513 enum {
 514         QTYPE_EQ = 1,
 515         QTYPE_CQ,
 516         QTYPE_MCCQ,
 517         QTYPE_WRBQ,
 518         QTYPE_DPDUQ,
 519         QTYPE_SGL
 520 };
 521
 522 struct be_cmd_req_q_destroy {
 523         struct be_cmd_req_hdr hdr;
 524         u16 id;
 525         u16 bypass_flush;       /* valid only for rx q destroy */
 526 } __packed;
 527
 528 struct macaddr {
 529         u8 byte[ETH_ALEN];
 530 };
 531
 532 struct be_cmd_req_mcast_mac_config {
 533         struct be_cmd_req_hdr hdr;
 534         u16 num_mac;
 535         u8 promiscuous;
 536         u8 interface_id;
 537         struct macaddr mac[32];
 538 } __packed;
 539
 540 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
 541 {
 542         return wrb->payload.embedded_payload;
 543 }
 544
 545 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
 546 {
 547         return &wrb->payload.sgl[0];
 548 }
 549
 550 /******************** Modify EQ Delay *******************/
 551 struct be_cmd_req_modify_eq_delay {
 552         struct be_cmd_req_hdr hdr;
 553         u32 num_eq;
 554         struct {
 555                 u32 eq_id;
 556                 u32 phase;
 557                 u32 delay_multiplier;
 558         } delay[8];
 559 } __packed;
 560
 561 /******************** Get MAC ADDR *******************/
 562
 563 #define ETH_ALEN        6
 564
 565 struct be_cmd_get_nic_conf_req {
 566         struct be_cmd_req_hdr hdr;
 567         u32 nic_port_count;
 568         u32 speed;
 569         u32 max_speed;
 570         u32 link_state;
 571         u32 max_frame_size;
 572         u16 size_of_structure;
 573         u8 mac_address[ETH_ALEN];
 574         u32 rsvd[23];
 575 };
 576
 577 struct be_cmd_get_nic_conf_resp {
 578         struct be_cmd_resp_hdr hdr;
 579         u32 nic_port_count;
 580         u32 speed;
 581         u32 max_speed;
 582         u32 link_state;
 583         u32 max_frame_size;
 584         u16 size_of_structure;
 585         u8 mac_address[6];
 586         u32 rsvd[23];
 587 };
 588
 589 #define BEISCSI_ALIAS_LEN 32
 590
 591 struct be_cmd_hba_name {
 592         struct be_cmd_req_hdr hdr;
 593         u16 flags;
 594         u16 rsvd0;
 595         u8 initiator_name[ISCSI_NAME_LEN];
 596         u8 initiator_alias[BEISCSI_ALIAS_LEN];
 597 } __packed;
 598
 599 struct be_cmd_ntwk_link_status_req {
 600         struct be_cmd_req_hdr hdr;
 601         u32 rsvd0;
 602 } __packed;
 603
 604 /*** Port Speed Values ***/
 605 #define BE2ISCSI_LINK_SPEED_ZERO        0x00
 606 #define BE2ISCSI_LINK_SPEED_10MBPS      0x01
 607 #define BE2ISCSI_LINK_SPEED_100MBPS     0x02
 608 #define BE2ISCSI_LINK_SPEED_1GBPS       0x03
 609 #define BE2ISCSI_LINK_SPEED_10GBPS      0x04
 610 struct be_cmd_ntwk_link_status_resp {
 611         struct be_cmd_resp_hdr hdr;
 612         u8 phys_port;
 613         u8 mac_duplex;
 614         u8 mac_speed;
 615         u8 mac_fault;
 616         u8 mgmt_mac_duplex;
 617         u8 mgmt_mac_speed;
 618         u16 qos_link_speed;
 619         u32 logical_link_speed;
 620 } __packed;
 621
 622 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
 623                           struct be_queue_info *eq, int eq_delay);
 624
 625 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
 626                           struct be_queue_info *cq, struct be_queue_info *eq,
 627                           bool sol_evts, bool no_delay,
 628                           int num_cqe_dma_coalesce);
 629
 630 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
 631                           int type);
 632 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
 633                         struct be_queue_info *mccq,
 634                         struct be_queue_info *cq);
 635
 636 int be_poll_mcc(struct be_ctrl_info *ctrl);
 637 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
 638                                       struct beiscsi_hba *phba);
 639 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
 640 unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
 641
 642 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
 643 /*ISCSI Functuions */
 644 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
 645
 646 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
 647 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
 648 int be_mcc_notify_wait(struct beiscsi_hba *phba);
 649 void be_mcc_notify(struct beiscsi_hba *phba);
 650 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
 651 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
 652                 struct be_async_event_link_state *evt);
 653 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
 654                                     struct be_mcc_compl *compl);
 655
 656 int be_mbox_notify(struct be_ctrl_info *ctrl);
 657
 658 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
 659                                     struct be_queue_info *cq,
 660                                     struct be_queue_info *dq, int length,
 661                                     int entry_size);
 662
 663 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
 664                                 struct be_dma_mem *q_mem, u32 page_offset,
 665                                 u32 num_pages);
 666
 667 int beiscsi_cmd_reset_function(struct beiscsi_hba *phba);
 668
 669 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
 670                        struct be_queue_info *wrbq);
 671
 672 bool is_link_state_evt(u32 trailer);
 673
 674 struct be_default_pdu_context {
 675         u32 dw[4];
 676 } __packed;
 677
 678 struct amap_be_default_pdu_context {
 679         u8 dbuf_cindex[13];     /* dword 0 */
 680         u8 rsvd0[3];            /* dword 0 */
 681         u8 ring_size[4];        /* dword 0 */
 682         u8 ring_state[4];       /* dword 0 */
 683         u8 rsvd1[8];            /* dword 0 */
 684         u8 dbuf_pindex[13];     /* dword 1 */
 685         u8 rsvd2;               /* dword 1 */
 686         u8 pci_func_id[8];      /* dword 1 */
 687         u8 rx_pdid[9];          /* dword 1 */
 688         u8 rx_pdid_valid;       /* dword 1 */
 689         u8 default_buffer_size[16];     /* dword 2 */
 690         u8 cq_id_recv[10];      /* dword 2 */
 691         u8 rx_pdid_not_valid;   /* dword 2 */
 692         u8 rsvd3[5];            /* dword 2 */
 693         u8 rsvd4[32];           /* dword 3 */
 694 } __packed;
 695
 696 struct be_defq_create_req {
 697         struct be_cmd_req_hdr hdr;
 698         u16 num_pages;
 699         u8 ulp_num;
 700         u8 rsvd0;
 701         struct be_default_pdu_context context;
 702         struct phys_addr pages[8];
 703 } __packed;
 704
 705 struct be_defq_create_resp {
 706         struct be_cmd_req_hdr hdr;
 707         u16 id;
 708         u16 rsvd0;
 709 } __packed;
 710
 711 struct be_post_sgl_pages_req {
 712         struct be_cmd_req_hdr hdr;
 713         u16 num_pages;
 714         u16 page_offset;
 715         u32 rsvd0;
 716         struct phys_addr pages[26];
 717         u32 rsvd1;
 718 } __packed;
 719
 720 struct be_wrbq_create_req {
 721         struct be_cmd_req_hdr hdr;
 722         u16 num_pages;
 723         u8 ulp_num;
 724         u8 rsvd0;
 725         struct phys_addr pages[8];
 726 } __packed;
 727
 728 struct be_wrbq_create_resp {
 729         struct be_cmd_resp_hdr resp_hdr;
 730         u16 cid;
 731         u16 rsvd0;
 732 } __packed;
 733
 734 #define SOL_CID_MASK            0x0000FFC0
 735 #define SOL_CODE_MASK           0x0000003F
 736 #define SOL_WRB_INDEX_MASK      0x00FF0000
 737 #define SOL_CMD_WND_MASK        0xFF000000
 738 #define SOL_RES_CNT_MASK        0x7FFFFFFF
 739 #define SOL_EXP_CMD_SN_MASK     0xFFFFFFFF
 740 #define SOL_HW_STS_MASK         0x000000FF
 741 #define SOL_STS_MASK            0x0000FF00
 742 #define SOL_RESP_MASK           0x00FF0000
 743 #define SOL_FLAGS_MASK          0x7F000000
 744 #define SOL_S_MASK              0x80000000
 745
 746 struct sol_cqe {
 747         u32 dw[4];
 748 };
 749
 750 struct amap_sol_cqe {
 751         u8 hw_sts[8];           /* dword 0 */
 752         u8 i_sts[8];            /* dword 0 */
 753         u8 i_resp[8];           /* dword 0 */
 754         u8 i_flags[7];          /* dword 0 */
 755         u8 s;                   /* dword 0 */
 756         u8 i_exp_cmd_sn[32];    /* dword 1 */
 757         u8 code[6];             /* dword 2 */
 758         u8 cid[10];             /* dword 2 */
 759         u8 wrb_index[8];        /* dword 2 */
 760         u8 i_cmd_wnd[8];        /* dword 2 */
 761         u8 i_res_cnt[31];       /* dword 3 */
 762         u8 valid;               /* dword 3 */
 763 } __packed;
 764
 765 #define SOL_ICD_INDEX_MASK      0x0003FFC0
 766 struct amap_sol_cqe_ring {
 767         u8 hw_sts[8];           /* dword 0 */
 768         u8 i_sts[8];            /* dword 0 */
 769         u8 i_resp[8];           /* dword 0 */
 770         u8 i_flags[7];          /* dword 0 */
 771         u8 s;                   /* dword 0 */
 772         u8 i_exp_cmd_sn[32];    /* dword 1 */
 773         u8 code[6];             /* dword 2 */
 774         u8 icd_index[12];       /* dword 2 */
 775         u8 rsvd[6];             /* dword 2 */
 776         u8 i_cmd_wnd[8];        /* dword 2 */
 777         u8 i_res_cnt[31];       /* dword 3 */
 778         u8 valid;               /* dword 3 */
 779 } __packed;
 780
 781
 782
 783 /**
 784  * Post WRB Queue Doorbell Register used by the host Storage
 785  * stack to notify the
 786  * controller of a posted Work Request Block
 787  */
 788 #define DB_WRB_POST_CID_MASK            0x3FF   /* bits 0 - 9 */
 789 #define DB_DEF_PDU_WRB_INDEX_MASK       0xFF    /* bits 0 - 9 */
 790
 791 #define DB_DEF_PDU_WRB_INDEX_SHIFT      16
 792 #define DB_DEF_PDU_NUM_POSTED_SHIFT     24
 793
 794 struct fragnum_bits_for_sgl_cra_in {
 795         struct be_cmd_req_hdr hdr;
 796         u32 num_bits;
 797 } __packed;
 798
 799 struct iscsi_cleanup_req {
 800         struct be_cmd_req_hdr hdr;
 801         u16 chute;
 802         u8 hdr_ring_id;
 803         u8 data_ring_id;
 804
 805 } __packed;
 806
 807 struct eq_delay {
 808         u32 eq_id;
 809         u32 phase;
 810         u32 delay_multiplier;
 811 } __packed;
 812
 813 struct be_eq_delay_params_in {
 814         struct be_cmd_req_hdr hdr;
 815         u32 num_eq;
 816         struct eq_delay delay[8];
 817 } __packed;
 818
 819 struct tcp_connect_and_offload_in {
 820         struct be_cmd_req_hdr hdr;
 821         struct ip_addr_format ip_address;
 822         u16 tcp_port;
 823         u16 cid;
 824         u16 cq_id;
 825         u16 defq_id;
 826         struct phys_addr dataout_template_pa;
 827         u16 hdr_ring_id;
 828         u16 data_ring_id;
 829         u8 do_offload;
 830         u8 rsvd0[3];
 831 } __packed;
 832
 833 struct tcp_connect_and_offload_out {
 834         struct be_cmd_resp_hdr hdr;
 835         u32 connection_handle;
 836         u16 cid;
 837         u16 rsvd0;
 838
 839 } __packed;
 840
 841 struct be_mcc_wrb_context {
 842         struct MCC_WRB *wrb;
 843         int *users_final_status;
 844 } __packed;
 845
 846 #define DB_DEF_PDU_RING_ID_MASK         0x3FF   /* bits 0 - 9 */
 847 #define DB_DEF_PDU_CQPROC_MASK          0x3FFF  /* bits 0 - 9 */
 848 #define DB_DEF_PDU_REARM_SHIFT          14
 849 #define DB_DEF_PDU_EVENT_SHIFT          15
 850 #define DB_DEF_PDU_CQPROC_SHIFT         16
 851
 852 struct dmsg_cqe {
 853         u32 dw[4];
 854 } __packed;
 855
 856 struct tcp_upload_params_in {
 857         struct be_cmd_req_hdr hdr;
 858         u16 id;
 859         u16 upload_type;
 860         u32 reset_seq;
 861 } __packed;
 862
 863 struct tcp_upload_params_out {
 864         u32 dw[32];
 865 } __packed;
 866
 867 union tcp_upload_params {
 868         struct tcp_upload_params_in request;
 869         struct tcp_upload_params_out response;
 870 } __packed;
 871
 872 struct be_ulp_fw_cfg {
 873         u32 ulp_mode;
 874         u32 etx_base;
 875         u32 etx_count;
 876         u32 sq_base;
 877         u32 sq_count;
 878         u32 rq_base;
 879         u32 rq_count;
 880         u32 dq_base;
 881         u32 dq_count;
 882         u32 lro_base;
 883         u32 lro_count;
 884         u32 icd_base;
 885         u32 icd_count;
 886 };
 887
 888 struct be_fw_cfg {
 889         struct be_cmd_req_hdr hdr;
 890         u32 be_config_number;
 891         u32 asic_revision;
 892         u32 phys_port;
 893         u32 function_mode;
 894         struct be_ulp_fw_cfg ulp[2];
 895         u32 function_caps;
 896 } __packed;
 897
 898 struct be_cmd_get_all_if_id_req {
 899         struct be_cmd_req_hdr hdr;
 900         u32 if_count;
 901         u32 if_hndl_list[1];
 902 } __packed;
 903
 904 #define ISCSI_OPCODE_SCSI_DATA_OUT              5
 905 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
 906 #define OPCODE_COMMON_MODIFY_EQ_DELAY           41
 907 #define OPCODE_COMMON_ISCSI_CLEANUP             59
 908 #define OPCODE_COMMON_TCP_UPLOAD                56
 909 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
 910 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
 911 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME       6
 912 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME       7
 913 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
 914 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
 915 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
 916 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET   52
 917 #define OPCODE_COMMON_WRITE_FLASH               96
 918 #define OPCODE_COMMON_READ_FLASH                97
 919
 920 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
 921 #define CMD_ISCSI_COMMAND_INVALIDATE            1
 922 #define CMD_ISCSI_CONNECTION_INVALIDATE         0x8001
 923 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST      0x8002
 924
 925 #define INI_WR_CMD                      1       /* Initiator write command */
 926 #define INI_TMF_CMD                     2       /* Initiator TMF command */
 927 #define INI_NOPOUT_CMD                  3       /* Initiator; Send a NOP-OUT */
 928 #define INI_RD_CMD                      5       /* Initiator requesting to send
 929                                                  * a read command
 930                                                  */
 931 #define TGT_CTX_UPDT_CMD                7       /* Target context update */
 932 #define TGT_STS_CMD                     8       /* Target R2T and other BHS
 933                                                  * where only the status number
 934                                                  * need to be updated
 935                                                  */
 936 #define TGT_DATAIN_CMD                  9       /* Target Data-Ins in response
 937                                                  * to read command
 938                                                  */
 939 #define TGT_SOS_PDU                     10      /* Target:standalone status
 940                                                  * response
 941                                                  */
 942 #define TGT_DM_CMD                      11      /* Indicates that the bhs
 943                                                  *  preparedby
 944                                                  * driver should not be touched
 945                                                  */
 946 /* --- CMD_CHUTE_TYPE --- */
 947 #define CMD_CONNECTION_CHUTE_0          1
 948 #define CMD_CONNECTION_CHUTE_1          2
 949 #define CMD_CONNECTION_CHUTE_2          3
 950
 951 #define EQ_MAJOR_CODE_COMPLETION        0
 952
 953 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
 954 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
 955
 956 /* --- CONNECTION_UPLOAD_PARAMS --- */
 957 /* These parameters are used to define the type of upload desired.  */
 958 #define CONNECTION_UPLOAD_GRACEFUL      1       /* Graceful upload  */
 959 #define CONNECTION_UPLOAD_ABORT_RESET   2       /* Abortive upload with
 960                                                  * reset
 961                                                  */
 962 #define CONNECTION_UPLOAD_ABORT         3       /* Abortive upload without
 963                                                  * reset
 964                                                  */
 965 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4      /* Abortive upload with reset,
 966                                                  * sequence number by driver  */
 967
 968 /* Returns byte size of given field with a structure. */
 969
 970 /* Returns the number of items in the field array. */
 971 #define BE_NUMBER_OF_FIELD(_type_, _field_)     \
 972         (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
 973
 974 /**
 975  * Different types of iSCSI completions to host driver for both initiator
 976  * and taget mode
 977  * of operation.
 978  */
 979 #define SOL_CMD_COMPLETE                1       /* Solicited command completed
 980                                                  * normally
 981                                                  */
 982 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2       /* Solicited command got
 983                                                  * invalidated internally due
 984                                                  * to Data Digest error
 985                                                  */
 986 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3       /* Connection got invalidated
 987                                                  * internally
 988                                                  * due to a received PDU
 989                                                  * size > DSL
 990                                                  */
 991 #define CXN_KILLED_BURST_LEN_MISMATCH   4       /* Connection got invalidated
 992                                                  * internally due ti received
 993                                                  * PDU sequence size >
 994                                                  * FBL/MBL.
 995                                                  */
 996 #define CXN_KILLED_AHS_RCVD             5       /* Connection got invalidated
 997                                                  * internally due to a received
 998                                                  * PDU Hdr that has
 999                                                  * AHS */
1000 #define CXN_KILLED_HDR_DIGEST_ERR       6       /* Connection got invalidated
1001                                                  * internally due to Hdr Digest
1002                                                  * error
1003                                                  */
1004 #define CXN_KILLED_UNKNOWN_HDR          7       /* Connection got invalidated
1005                                                  *  internally
1006                                                  * due to a bad opcode in the
1007                                                  * pdu hdr
1008                                                  */
1009 #define CXN_KILLED_STALE_ITT_TTT_RCVD   8       /* Connection got invalidated
1010                                                  * internally due to a received
1011                                                  * ITT/TTT that does not belong
1012                                                  * to this Connection
1013                                                  */
1014 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9       /* Connection got invalidated
1015                                                  * internally due to received
1016                                                  * ITT/TTT value > Max
1017                                                  * Supported ITTs/TTTs
1018                                                  */
1019 #define CXN_KILLED_RST_RCVD             10      /* Connection got invalidated
1020                                                  * internally due to an
1021                                                  * incoming TCP RST
1022                                                  */
1023 #define CXN_KILLED_TIMED_OUT            11      /* Connection got invalidated
1024                                                  * internally due to timeout on
1025                                                  * tcp segment 12 retransmit
1026                                                  * attempts failed
1027                                                  */
1028 #define CXN_KILLED_RST_SENT             12      /* Connection got invalidated
1029                                                  * internally due to TCP RST
1030                                                  * sent by the Tx side
1031                                                  */
1032 #define CXN_KILLED_FIN_RCVD             13      /* Connection got invalidated
1033                                                  * internally due to an
1034                                                  * incoming TCP FIN.
1035                                                  */
1036 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD   14      /* Connection got invalidated
1037                                                  * internally due to bad
1038                                                  * unsolicited PDU Unsolicited
1039                                                  * PDUs are PDUs with
1040                                                  * ITT=0xffffffff
1041                                                  */
1042 #define CXN_KILLED_BAD_WRB_INDEX_ERROR  15      /* Connection got invalidated
1043                                                  * internally due to bad WRB
1044                                                  * index.
1045                                                  */
1046 #define CXN_KILLED_OVER_RUN_RESIDUAL    16      /* Command got invalidated
1047                                                  * internally due to received
1048                                                  * command has residual
1049                                                  * over run bytes.
1050                                                  */
1051 #define CXN_KILLED_UNDER_RUN_RESIDUAL   17      /* Command got invalidated
1052                                                  * internally due to received
1053                                                  * command has residual under
1054                                                  * run bytes.
1055                                                  */
1056 #define CMD_KILLED_INVALID_STATSN_RCVD  18      /* Command got invalidated
1057                                                  * internally due to a received
1058                                                  * PDU has an invalid StatusSN
1059                                                  */
1060 #define CMD_KILLED_INVALID_R2T_RCVD     19      /* Command got invalidated
1061                                                  * internally due to a received
1062                                                  * an R2T with some invalid
1063                                                  * fields in it
1064                                                  */
1065 #define CMD_CXN_KILLED_LUN_INVALID      20      /* Command got invalidated
1066                                                  * internally due to received
1067                                                  * PDU has an invalid LUN.
1068                                                  */
1069 #define CMD_CXN_KILLED_ICD_INVALID      21      /* Command got invalidated
1070                                                  * internally due to the
1071                                                  * corresponding ICD not in a
1072                                                  * valid state
1073                                                  */
1074 #define CMD_CXN_KILLED_ITT_INVALID      22      /* Command got invalidated due
1075                                                  *  to received PDU has an
1076                                                  *  invalid ITT.
1077                                                  */
1078 #define CMD_CXN_KILLED_SEQ_OUTOFORDER   23      /* Command got invalidated due
1079                                                  * to received sequence buffer
1080                                                  * offset is out of order.
1081                                                  */
1082 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24   /* Command got invalidated
1083                                                  * internally due to a
1084                                                  * received PDU has an invalid
1085                                                  * DataSN
1086                                                  */
1087 #define CXN_INVALIDATE_NOTIFY           25      /* Connection invalidation
1088                                                  * completion notify.
1089                                                  */
1090 #define CXN_INVALIDATE_INDEX_NOTIFY     26      /* Connection invalidation
1091                                                  * completion
1092                                                  * with data PDU index.
1093                                                  */
1094 #define CMD_INVALIDATED_NOTIFY          27      /* Command invalidation
1095                                                  * completionnotifify.
1096                                                  */
1097 #define UNSOL_HDR_NOTIFY                28      /* Unsolicited header notify.*/
1098 #define UNSOL_DATA_NOTIFY               29      /* Unsolicited data notify.*/
1099 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY  30      /* Unsolicited data digest
1100                                                  * error notify.
1101                                                  */
1102 #define DRIVERMSG_NOTIFY                31      /* TCP acknowledge based
1103                                                  * notification.
1104                                                  */
1105 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1106                                                   * internally due to command
1107                                                   * and data are not on same
1108                                                   * connection.
1109                                                   */
1110 #define SOL_CMD_KILLED_DIF_ERR          33      /* Solicited command got
1111                                                  *  invalidated internally due
1112                                                  *  to DIF error
1113                                                  */
1114 #define CXN_KILLED_SYN_RCVD             34      /* Connection got invalidated
1115                                                  * internally due to incoming
1116                                                  * TCP SYN
1117                                                  */
1118 #define CXN_KILLED_IMM_DATA_RCVD        35      /* Connection got invalidated
1119                                                  * internally due to an
1120                                                  * incoming Unsolicited PDU
1121                                                  * that has immediate data on
1122                                                  * the cxn
1123                                                  */
1124
1125 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1126 int be_chk_reset_complete(struct beiscsi_hba *phba);
1127
1128 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1129                         bool embedded, u8 sge_cnt);
1130
1131 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1132                         u8 subsystem, u8 opcode, int cmd_len);
1133
1134 #endif /* !BEISCSI_CMDS_H */