drivers/scsi/bfa/bfa_defs_fcs.h

   1 /*
   2  * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 #ifndef __BFA_DEFS_FCS_H__
  19 #define __BFA_DEFS_FCS_H__
  20
  21 #include "bfa_fc.h"
  22 #include "bfa_defs_svc.h"
  23
  24 /*
  25  * VF states
  26  */
  27 enum bfa_vf_state {
  28         BFA_VF_UNINIT    = 0,   /*  fabric is not yet initialized */
  29         BFA_VF_LINK_DOWN = 1,   /*  link is down */
  30         BFA_VF_FLOGI     = 2,   /*  flogi is in progress */
  31         BFA_VF_AUTH      = 3,   /*  authentication in progress */
  32         BFA_VF_NOFABRIC  = 4,   /*  fabric is not present */
  33         BFA_VF_ONLINE    = 5,   /*  login to fabric is complete */
  34         BFA_VF_EVFP      = 6,   /*  EVFP is in progress */
  35         BFA_VF_ISOLATED  = 7,   /*  port isolated due to vf_id mismatch */
  36 };
  37
  38 /*
  39  * VF statistics
  40  */
  41 struct bfa_vf_stats_s {
  42         u32     flogi_sent;     /*  Num FLOGIs sent */
  43         u32     flogi_rsp_err;  /*  FLOGI response errors */
  44         u32     flogi_acc_err;  /*  FLOGI accept errors */
  45         u32     flogi_accepts;  /*  FLOGI accepts received */
  46         u32     flogi_rejects;  /*  FLOGI rejects received */
  47         u32     flogi_unknown_rsp; /*  Unknown responses for FLOGI */
  48         u32     flogi_alloc_wait; /*  Allocation waits prior to sending FLOGI */
  49         u32     flogi_rcvd;     /*  FLOGIs received */
  50         u32     flogi_rejected; /*  Incoming FLOGIs rejected */
  51         u32     fabric_onlines; /*  Internal fabric online notification sent
  52                                  *  to other modules */
  53         u32     fabric_offlines; /* Internal fabric offline notification sent
  54                                   * to other modules */
  55         u32     resvd; /*  padding for 64 bit alignment */
  56 };
  57
  58 /*
  59  * VF attributes returned in queries
  60  */
  61 struct bfa_vf_attr_s {
  62         enum bfa_vf_state  state;               /*  VF state */
  63         u32        rsvd;
  64         wwn_t           fabric_name;    /*  fabric name */
  65 };
  66
  67 #define BFA_FCS_MAX_LPORTS 256
  68 #define BFA_FCS_FABRIC_IPADDR_SZ  16
  69
  70 /*
  71  * symbolic names for base port/virtual port
  72  */
  73 #define BFA_SYMNAME_MAXLEN      128     /* 128 bytes */
  74 struct bfa_lport_symname_s {
  75         char        symname[BFA_SYMNAME_MAXLEN];
  76 };
  77
  78 /*
  79 * Roles of FCS port:
  80  *     - FCP IM and FCP TM roles cannot be enabled together for a FCS port
  81  *     - Create multiple ports if both IM and TM functions required.
  82  *     - Atleast one role must be specified.
  83  */
  84 enum bfa_lport_role {
  85         BFA_LPORT_ROLE_FCP_IM   = 0x01, /*  FCP initiator role */
  86         BFA_LPORT_ROLE_FCP_MAX  = BFA_LPORT_ROLE_FCP_IM,
  87 };
  88
  89 /*
  90  * FCS port configuration.
  91  */
  92 struct bfa_lport_cfg_s {
  93     wwn_t              pwwn;       /*  port wwn */
  94     wwn_t              nwwn;       /*  node wwn */
  95     struct bfa_lport_symname_s  sym_name;   /*  vm port symbolic name */
  96     bfa_boolean_t       preboot_vp;  /*  vport created from PBC */
  97     enum bfa_lport_role     roles;      /*  FCS port roles */
  98     u8       tag[16];   /*  opaque tag from application */
  99 };
 100
 101 /*
 102  * FCS port states
 103  */
 104 enum bfa_lport_state {
 105         BFA_LPORT_UNINIT  = 0,  /*  PORT is not yet initialized */
 106         BFA_LPORT_FDISC   = 1,  /*  FDISC is in progress */
 107         BFA_LPORT_ONLINE  = 2,  /*  login to fabric is complete */
 108         BFA_LPORT_OFFLINE = 3,  /*  No login to fabric */
 109 };
 110
 111 /*
 112  * FCS port type.
 113  */
 114 enum bfa_lport_type {
 115         BFA_LPORT_TYPE_PHYSICAL = 0,
 116         BFA_LPORT_TYPE_VIRTUAL,
 117 };
 118
 119 /*
 120  * FCS port offline reason.
 121  */
 122 enum bfa_lport_offline_reason {
 123         BFA_LPORT_OFFLINE_UNKNOWN = 0,
 124         BFA_LPORT_OFFLINE_LINKDOWN,
 125         BFA_LPORT_OFFLINE_FAB_UNSUPPORTED,      /*  NPIV not supported by the
 126          *    fabric */
 127         BFA_LPORT_OFFLINE_FAB_NORESOURCES,
 128         BFA_LPORT_OFFLINE_FAB_LOGOUT,
 129 };
 130
 131 /*
 132  * FCS lport info.
 133  */
 134 struct bfa_lport_info_s {
 135         u8       port_type;     /* bfa_lport_type_t : physical or
 136          * virtual */
 137         u8       port_state;    /* one of bfa_lport_state values */
 138         u8       offline_reason;        /* one of bfa_lport_offline_reason_t
 139          * values */
 140         wwn_t      port_wwn;
 141         wwn_t      node_wwn;
 142
 143         /*
 144          * following 4 feilds are valid for Physical Ports only
 145          */
 146         u32     max_vports_supp;        /* Max supported vports */
 147         u32     num_vports_inuse;       /* Num of in use vports */
 148         u32     max_rports_supp;        /* Max supported rports */
 149         u32     num_rports_inuse;       /* Num of doscovered rports */
 150
 151 };
 152
 153 /*
 154  * FCS port statistics
 155  */
 156 struct bfa_lport_stats_s {
 157         u32     ns_plogi_sent;
 158         u32     ns_plogi_rsp_err;
 159         u32     ns_plogi_acc_err;
 160         u32     ns_plogi_accepts;
 161         u32     ns_rejects;     /* NS command rejects */
 162         u32     ns_plogi_unknown_rsp;
 163         u32     ns_plogi_alloc_wait;
 164
 165         u32     ns_retries;     /* NS command retries */
 166         u32     ns_timeouts;    /* NS command timeouts */
 167
 168         u32     ns_rspnid_sent;
 169         u32     ns_rspnid_accepts;
 170         u32     ns_rspnid_rsp_err;
 171         u32     ns_rspnid_rejects;
 172         u32     ns_rspnid_alloc_wait;
 173
 174         u32     ns_rftid_sent;
 175         u32     ns_rftid_accepts;
 176         u32     ns_rftid_rsp_err;
 177         u32     ns_rftid_rejects;
 178         u32     ns_rftid_alloc_wait;
 179
 180         u32     ns_rffid_sent;
 181         u32     ns_rffid_accepts;
 182         u32     ns_rffid_rsp_err;
 183         u32     ns_rffid_rejects;
 184         u32     ns_rffid_alloc_wait;
 185
 186         u32     ns_gidft_sent;
 187         u32     ns_gidft_accepts;
 188         u32     ns_gidft_rsp_err;
 189         u32     ns_gidft_rejects;
 190         u32     ns_gidft_unknown_rsp;
 191         u32     ns_gidft_alloc_wait;
 192
 193         /*
 194          * Mgmt Server stats
 195          */
 196         u32     ms_retries;     /* MS command retries */
 197         u32     ms_timeouts;    /* MS command timeouts */
 198         u32     ms_plogi_sent;
 199         u32     ms_plogi_rsp_err;
 200         u32     ms_plogi_acc_err;
 201         u32     ms_plogi_accepts;
 202         u32     ms_rejects;     /* MS command rejects */
 203         u32     ms_plogi_unknown_rsp;
 204         u32     ms_plogi_alloc_wait;
 205
 206         u32     num_rscn;       /* Num of RSCN received */
 207         u32     num_portid_rscn;/* Num portid format RSCN
 208         * received */
 209
 210         u32     uf_recvs;       /* Unsolicited recv frames      */
 211         u32     uf_recv_drops;  /* Dropped received frames      */
 212
 213         u32     plogi_rcvd;     /* Received plogi       */
 214         u32     prli_rcvd;      /* Received prli        */
 215         u32     adisc_rcvd;     /* Received adisc       */
 216         u32     prlo_rcvd;      /* Received prlo        */
 217         u32     logo_rcvd;      /* Received logo        */
 218         u32     rpsc_rcvd;      /* Received rpsc        */
 219         u32     un_handled_els_rcvd;    /* Received unhandled ELS       */
 220         u32     rport_plogi_timeouts; /* Rport plogi retry timeout count */
 221         u32     rport_del_max_plogi_retry; /* Deleted rport
 222                                             * (max retry of plogi) */
 223 };
 224
 225 /*
 226  * BFA port attribute returned in queries
 227  */
 228 struct bfa_lport_attr_s {
 229         enum bfa_lport_state state;     /*  port state */
 230         u32      pid;   /*  port ID */
 231         struct bfa_lport_cfg_s   port_cfg;      /*  port configuration */
 232         enum bfa_port_type port_type;   /*  current topology */
 233         u32      loopback;      /*  cable is externally looped back */
 234         wwn_t   fabric_name; /*  attached switch's nwwn */
 235         u8      fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; /*  attached
 236         * fabric's ip addr */
 237         mac_t      fpma_mac;    /*  Lport's FPMA Mac address */
 238         u16     authfail;       /*  auth failed state */
 239 };
 240
 241
 242 /*
 243  * VPORT states
 244  */
 245 enum bfa_vport_state {
 246         BFA_FCS_VPORT_UNINIT            = 0,
 247         BFA_FCS_VPORT_CREATED           = 1,
 248         BFA_FCS_VPORT_OFFLINE           = 1,
 249         BFA_FCS_VPORT_FDISC_SEND        = 2,
 250         BFA_FCS_VPORT_FDISC             = 3,
 251         BFA_FCS_VPORT_FDISC_RETRY       = 4,
 252         BFA_FCS_VPORT_ONLINE            = 5,
 253         BFA_FCS_VPORT_DELETING          = 6,
 254         BFA_FCS_VPORT_CLEANUP           = 6,
 255         BFA_FCS_VPORT_LOGO_SEND         = 7,
 256         BFA_FCS_VPORT_LOGO              = 8,
 257         BFA_FCS_VPORT_ERROR             = 9,
 258         BFA_FCS_VPORT_MAX_STATE,
 259 };
 260
 261 /*
 262  * vport statistics
 263  */
 264 struct bfa_vport_stats_s {
 265         struct bfa_lport_stats_s port_stats;    /*  base class (port) stats */
 266         /*
 267          * TODO - remove
 268          */
 269
 270         u32        fdisc_sent;  /*  num fdisc sent */
 271         u32        fdisc_accepts;       /*  fdisc accepts */
 272         u32        fdisc_retries;       /*  fdisc retries */
 273         u32        fdisc_timeouts;      /*  fdisc timeouts */
 274         u32        fdisc_rsp_err;       /*  fdisc response error */
 275         u32        fdisc_acc_bad;       /*  bad fdisc accepts */
 276         u32        fdisc_rejects;       /*  fdisc rejects */
 277         u32        fdisc_unknown_rsp;
 278         /*
 279          *!< fdisc rsp unknown error
 280          */
 281         u32        fdisc_alloc_wait;/*  fdisc req (fcxp)alloc wait */
 282
 283         u32        logo_alloc_wait;/*  logo req (fcxp) alloc wait */
 284         u32        logo_sent;   /*  logo sent */
 285         u32        logo_accepts;        /*  logo accepts */
 286         u32        logo_rejects;        /*  logo rejects */
 287         u32        logo_rsp_err;        /*  logo rsp errors */
 288         u32        logo_unknown_rsp;
 289                         /*  logo rsp unknown errors */
 290
 291         u32        fab_no_npiv; /*  fabric does not support npiv */
 292
 293         u32        fab_offline; /*  offline events from fab SM */
 294         u32        fab_online;  /*  online events from fab SM */
 295         u32        fab_cleanup; /*  cleanup request from fab SM */
 296         u32        rsvd;
 297 };
 298
 299 /*
 300  * BFA vport attribute returned in queries
 301  */
 302 struct bfa_vport_attr_s {
 303         struct bfa_lport_attr_s   port_attr; /*  base class (port) attributes */
 304         enum bfa_vport_state vport_state; /*  vport state */
 305         u32          rsvd;
 306 };
 307
 308 /*
 309  * FCS remote port states
 310  */
 311 enum bfa_rport_state {
 312         BFA_RPORT_UNINIT        = 0,    /*  PORT is not yet initialized */
 313         BFA_RPORT_OFFLINE       = 1,    /*  rport is offline */
 314         BFA_RPORT_PLOGI         = 2,    /*  PLOGI to rport is in progress */
 315         BFA_RPORT_ONLINE        = 3,    /*  login to rport is complete */
 316         BFA_RPORT_PLOGI_RETRY   = 4,    /*  retrying login to rport */
 317         BFA_RPORT_NSQUERY       = 5,    /*  nameserver query */
 318         BFA_RPORT_ADISC         = 6,    /*  ADISC authentication */
 319         BFA_RPORT_LOGO          = 7,    /*  logging out with rport */
 320         BFA_RPORT_LOGORCV       = 8,    /*  handling LOGO from rport */
 321         BFA_RPORT_NSDISC        = 9,    /*  re-discover rport */
 322 };
 323
 324 /*
 325  *  Rport Scsi Function : Initiator/Target.
 326  */
 327 enum bfa_rport_function {
 328         BFA_RPORT_INITIATOR     = 0x01, /*  SCSI Initiator      */
 329         BFA_RPORT_TARGET        = 0x02, /*  SCSI Target */
 330 };
 331
 332 /*
 333  * port/node symbolic names for rport
 334  */
 335 #define BFA_RPORT_SYMNAME_MAXLEN        255
 336 struct bfa_rport_symname_s {
 337         char            symname[BFA_RPORT_SYMNAME_MAXLEN];
 338 };
 339
 340 /*
 341  * FCS remote port statistics
 342  */
 343 struct bfa_rport_stats_s {
 344         u32        offlines;           /*  remote port offline count  */
 345         u32        onlines;            /*  remote port online count   */
 346         u32        rscns;              /*  RSCN affecting rport       */
 347         u32        plogis;                  /*  plogis sent                */
 348         u32        plogi_accs;      /*  plogi accepts              */
 349         u32        plogi_timeouts;          /*  plogi timeouts             */
 350         u32        plogi_rejects;           /*  rcvd plogi rejects         */
 351         u32        plogi_failed;            /*  local failure              */
 352         u32        plogi_rcvd;      /*  plogis rcvd                */
 353         u32        prli_rcvd;          /*  inbound PRLIs              */
 354         u32        adisc_rcvd;         /*  ADISCs received            */
 355         u32        adisc_rejects;      /*  recvd  ADISC rejects       */
 356         u32        adisc_sent;         /*  ADISC requests sent        */
 357         u32        adisc_accs;         /*  ADISC accepted by rport    */
 358         u32        adisc_failed;       /*  ADISC failed (no response) */
 359         u32        adisc_rejected;     /*  ADISC rejected by us    */
 360         u32        logos;              /*  logos sent                 */
 361         u32        logo_accs;          /*  LOGO accepts from rport    */
 362         u32        logo_failed;        /*  LOGO failures              */
 363         u32        logo_rejected;      /*  LOGO rejects from rport    */
 364         u32        logo_rcvd;          /*  LOGO from remote port      */
 365
 366         u32        rpsc_rcvd;         /*  RPSC received            */
 367         u32        rpsc_rejects;      /*  recvd  RPSC rejects       */
 368         u32        rpsc_sent;         /*  RPSC requests sent        */
 369         u32        rpsc_accs;         /*  RPSC accepted by rport    */
 370         u32        rpsc_failed;       /*  RPSC failed (no response) */
 371         u32        rpsc_rejected;     /*  RPSC rejected by us    */
 372
 373         u32     rjt_insuff_res; /*  LS RJT with insuff resources */
 374         struct bfa_rport_hal_stats_s    hal_stats;  /*  BFA rport stats    */
 375 };
 376
 377 /*
 378  * FCS remote port attributes returned in queries
 379  */
 380 struct bfa_rport_attr_s {
 381         wwn_t           nwwn;   /*  node wwn */
 382         wwn_t           pwwn;   /*  port wwn */
 383         enum fc_cos cos_supported;      /*  supported class of services */
 384         u32             pid;    /*  port ID */
 385         u32             df_sz;  /*  Max payload size */
 386         enum bfa_rport_state    state;  /*  Rport State machine state */
 387         enum fc_cos     fc_cos; /*  FC classes of services */
 388         bfa_boolean_t   cisc;   /*  CISC capable device */
 389         struct bfa_rport_symname_s symname; /*  Symbolic Name */
 390         enum bfa_rport_function scsi_function; /*  Initiator/Target */
 391         struct bfa_rport_qos_attr_s qos_attr; /*  qos attributes  */
 392         enum bfa_port_speed curr_speed;   /*  operating speed got from
 393                                             * RPSC ELS. UNKNOWN, if RPSC
 394                                             * is not supported */
 395         bfa_boolean_t   trl_enforced;   /*  TRL enforced ? TRUE/FALSE */
 396         enum bfa_port_speed     assigned_speed; /* Speed assigned by the user.
 397                                                  * will be used if RPSC is not
 398                                                  * supported by the rport */
 399 };
 400
 401 struct bfa_rport_remote_link_stats_s {
 402         u32 lfc; /*  Link Failure Count */
 403         u32 lsyc; /*  Loss of Synchronization Count */
 404         u32 lsic; /*  Loss of Signal Count */
 405         u32 pspec; /*  Primitive Sequence Protocol Error Count */
 406         u32 itwc; /*  Invalid Transmission Word Count */
 407         u32 icc; /*  Invalid CRC Count */
 408 };
 409
 410
 411 #define BFA_MAX_IO_INDEX 7
 412 #define BFA_NO_IO_INDEX 9
 413
 414 /*
 415  * FCS itnim states
 416  */
 417 enum bfa_itnim_state {
 418         BFA_ITNIM_OFFLINE       = 0,    /*  offline */
 419         BFA_ITNIM_PRLI_SEND     = 1,    /*  prli send */
 420         BFA_ITNIM_PRLI_SENT     = 2,    /*  prli sent */
 421         BFA_ITNIM_PRLI_RETRY    = 3,    /*  prli retry */
 422         BFA_ITNIM_HCB_ONLINE    = 4,    /*  online callback */
 423         BFA_ITNIM_ONLINE        = 5,    /*  online */
 424         BFA_ITNIM_HCB_OFFLINE   = 6,    /*  offline callback */
 425         BFA_ITNIM_INITIATIOR    = 7,    /*  initiator */
 426 };
 427
 428 /*
 429  * FCS remote port statistics
 430  */
 431 struct bfa_itnim_stats_s {
 432         u32        onlines;     /*  num rport online */
 433         u32        offlines;    /*  num rport offline */
 434         u32        prli_sent;   /*  num prli sent out */
 435         u32        fcxp_alloc_wait;/*  num fcxp alloc waits */
 436         u32        prli_rsp_err;        /*  num prli rsp errors */
 437         u32        prli_rsp_acc;        /*  num prli rsp accepts */
 438         u32        initiator;   /*  rport is an initiator */
 439         u32        prli_rsp_parse_err;  /*  prli rsp parsing errors */
 440         u32        prli_rsp_rjt;        /*  num prli rsp rejects */
 441         u32        timeout;     /*  num timeouts detected */
 442         u32        sler;                /*  num sler notification from BFA */
 443         u32     rsvd;           /* padding for 64 bit alignment */
 444 };
 445
 446 /*
 447  * FCS itnim attributes returned in queries
 448  */
 449 struct bfa_itnim_attr_s {
 450         enum bfa_itnim_state state; /*  FCS itnim state        */
 451         u8 retry;               /*  data retransmision support */
 452         u8      task_retry_id;  /*  task retry ident support   */
 453         u8 rec_support;    /*  REC supported              */
 454         u8 conf_comp;      /*  confirmed completion supp  */
 455 };
 456
 457 #endif /* __BFA_DEFS_FCS_H__ */