release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/bfa/bfa_rport.c

   1 /*
   2  * Copyright (c) 2005-2009 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 #include <bfa.h>
  19 #include <bfa_svc.h>
  20 #include <cs/bfa_debug.h>
  21 #include <bfi/bfi_rport.h>
  22 #include "bfa_intr_priv.h"
  23
  24 BFA_TRC_FILE(HAL, RPORT);
  25 BFA_MODULE(rport);
  26
  27 #define bfa_rport_offline_cb(__rp) do {                         \
  28         if ((__rp)->bfa->fcs)                                           \
  29                 bfa_cb_rport_offline((__rp)->rport_drv);      \
  30         else {                                                          \
  31                 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe,              \
  32                                 __bfa_cb_rport_offline, (__rp));      \
  33         }                                                               \
  34 } while (0)
  35
  36 #define bfa_rport_online_cb(__rp) do {                          \
  37         if ((__rp)->bfa->fcs)                                           \
  38                 bfa_cb_rport_online((__rp)->rport_drv);      \
  39         else {                                                          \
  40                 bfa_cb_queue((__rp)->bfa, &(__rp)->hcb_qe,              \
  41                                   __bfa_cb_rport_online, (__rp));      \
  42                 }                                                       \
  43 } while (0)
  44
  45 /*
  46  * forward declarations
  47  */
  48 static struct bfa_rport_s *bfa_rport_alloc(struct bfa_rport_mod_s *rp_mod);
  49 static void bfa_rport_free(struct bfa_rport_s *rport);
  50 static bfa_boolean_t bfa_rport_send_fwcreate(struct bfa_rport_s *rp);
  51 static bfa_boolean_t bfa_rport_send_fwdelete(struct bfa_rport_s *rp);
  52 static bfa_boolean_t bfa_rport_send_fwspeed(struct bfa_rport_s *rp);
  53 static void __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete);
  54 static void __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete);
  55
  56 /**
  57  *  bfa_rport_sm BFA rport state machine
  58  */
  59
  60
  61 enum bfa_rport_event {
  62         BFA_RPORT_SM_CREATE     = 1,    /*  rport create event          */
  63         BFA_RPORT_SM_DELETE     = 2,    /*  deleting an existing rport */
  64         BFA_RPORT_SM_ONLINE     = 3,    /*  rport is online             */
  65         BFA_RPORT_SM_OFFLINE    = 4,    /*  rport is offline            */
  66         BFA_RPORT_SM_FWRSP      = 5,    /*  firmware response           */
  67         BFA_RPORT_SM_HWFAIL     = 6,    /*  IOC h/w failure             */
  68         BFA_RPORT_SM_QOS_SCN    = 7,    /*  QoS SCN from firmware       */
  69         BFA_RPORT_SM_SET_SPEED  = 8,    /*  Set Rport Speed             */
  70         BFA_RPORT_SM_QRESUME    = 9,    /*  space in requeue queue      */
  71 };
  72
  73 static void     bfa_rport_sm_uninit(struct bfa_rport_s *rp,
  74                                         enum bfa_rport_event event);
  75 static void     bfa_rport_sm_created(struct bfa_rport_s *rp,
  76                                          enum bfa_rport_event event);
  77 static void     bfa_rport_sm_fwcreate(struct bfa_rport_s *rp,
  78                                           enum bfa_rport_event event);
  79 static void     bfa_rport_sm_online(struct bfa_rport_s *rp,
  80                                         enum bfa_rport_event event);
  81 static void     bfa_rport_sm_fwdelete(struct bfa_rport_s *rp,
  82                                           enum bfa_rport_event event);
  83 static void     bfa_rport_sm_offline(struct bfa_rport_s *rp,
  84                                          enum bfa_rport_event event);
  85 static void     bfa_rport_sm_deleting(struct bfa_rport_s *rp,
  86                                           enum bfa_rport_event event);
  87 static void     bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
  88                                           enum bfa_rport_event event);
  89 static void     bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
  90                                           enum bfa_rport_event event);
  91 static void     bfa_rport_sm_iocdisable(struct bfa_rport_s *rp,
  92                                             enum bfa_rport_event event);
  93 static void     bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp,
  94                                           enum bfa_rport_event event);
  95 static void     bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp,
  96                                           enum bfa_rport_event event);
  97 static void     bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp,
  98                                           enum bfa_rport_event event);
  99
 100 /**
 101  * Beginning state, only online event expected.
 102  */
 103 static void
 104 bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
 105 {
 106         bfa_trc(rp->bfa, rp->rport_tag);
 107         bfa_trc(rp->bfa, event);
 108
 109         switch (event) {
 110         case BFA_RPORT_SM_CREATE:
 111                 bfa_stats(rp, sm_un_cr);
 112                 bfa_sm_set_state(rp, bfa_rport_sm_created);
 113                 break;
 114
 115         default:
 116                 bfa_stats(rp, sm_un_unexp);
 117                 bfa_sm_fault(rp->bfa, event);
 118         }
 119 }
 120
 121 static void
 122 bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
 123 {
 124         bfa_trc(rp->bfa, rp->rport_tag);
 125         bfa_trc(rp->bfa, event);
 126
 127         switch (event) {
 128         case BFA_RPORT_SM_ONLINE:
 129                 bfa_stats(rp, sm_cr_on);
 130                 if (bfa_rport_send_fwcreate(rp))
 131                         bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
 132                 else
 133                         bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
 134                 break;
 135
 136         case BFA_RPORT_SM_DELETE:
 137                 bfa_stats(rp, sm_cr_del);
 138                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 139                 bfa_rport_free(rp);
 140                 break;
 141
 142         case BFA_RPORT_SM_HWFAIL:
 143                 bfa_stats(rp, sm_cr_hwf);
 144                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 145                 break;
 146
 147         default:
 148                 bfa_stats(rp, sm_cr_unexp);
 149                 bfa_sm_fault(rp->bfa, event);
 150         }
 151 }
 152
 153 /**
 154  * Waiting for rport create response from firmware.
 155  */
 156 static void
 157 bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
 158 {
 159         bfa_trc(rp->bfa, rp->rport_tag);
 160         bfa_trc(rp->bfa, event);
 161
 162         switch (event) {
 163         case BFA_RPORT_SM_FWRSP:
 164                 bfa_stats(rp, sm_fwc_rsp);
 165                 bfa_sm_set_state(rp, bfa_rport_sm_online);
 166                 bfa_rport_online_cb(rp);
 167                 break;
 168
 169         case BFA_RPORT_SM_DELETE:
 170                 bfa_stats(rp, sm_fwc_del);
 171                 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
 172                 break;
 173
 174         case BFA_RPORT_SM_OFFLINE:
 175                 bfa_stats(rp, sm_fwc_off);
 176                 bfa_sm_set_state(rp, bfa_rport_sm_offline_pending);
 177                 break;
 178
 179         case BFA_RPORT_SM_HWFAIL:
 180                 bfa_stats(rp, sm_fwc_hwf);
 181                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 182                 break;
 183
 184         default:
 185                 bfa_stats(rp, sm_fwc_unexp);
 186                 bfa_sm_fault(rp->bfa, event);
 187         }
 188 }
 189
 190 /**
 191  * Request queue is full, awaiting queue resume to send create request.
 192  */
 193 static void
 194 bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
 195 {
 196         bfa_trc(rp->bfa, rp->rport_tag);
 197         bfa_trc(rp->bfa, event);
 198
 199         switch (event) {
 200         case BFA_RPORT_SM_QRESUME:
 201                 bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
 202                 bfa_rport_send_fwcreate(rp);
 203                 break;
 204
 205         case BFA_RPORT_SM_DELETE:
 206                 bfa_stats(rp, sm_fwc_del);
 207                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 208                 bfa_reqq_wcancel(&rp->reqq_wait);
 209                 bfa_rport_free(rp);
 210                 break;
 211
 212         case BFA_RPORT_SM_OFFLINE:
 213                 bfa_stats(rp, sm_fwc_off);
 214                 bfa_sm_set_state(rp, bfa_rport_sm_offline);
 215                 bfa_reqq_wcancel(&rp->reqq_wait);
 216                 bfa_rport_offline_cb(rp);
 217                 break;
 218
 219         case BFA_RPORT_SM_HWFAIL:
 220                 bfa_stats(rp, sm_fwc_hwf);
 221                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 222                 bfa_reqq_wcancel(&rp->reqq_wait);
 223                 break;
 224
 225         default:
 226                 bfa_stats(rp, sm_fwc_unexp);
 227                 bfa_sm_fault(rp->bfa, event);
 228         }
 229 }
 230
 231 /**
 232  * Online state - normal parking state.
 233  */
 234 static void
 235 bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
 236 {
 237         struct bfi_rport_qos_scn_s *qos_scn;
 238
 239         bfa_trc(rp->bfa, rp->rport_tag);
 240         bfa_trc(rp->bfa, event);
 241
 242         switch (event) {
 243         case BFA_RPORT_SM_OFFLINE:
 244                 bfa_stats(rp, sm_on_off);
 245                 if (bfa_rport_send_fwdelete(rp))
 246                         bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
 247                 else
 248                         bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
 249                 break;
 250
 251         case BFA_RPORT_SM_DELETE:
 252                 bfa_stats(rp, sm_on_del);
 253                 if (bfa_rport_send_fwdelete(rp))
 254                         bfa_sm_set_state(rp, bfa_rport_sm_deleting);
 255                 else
 256                         bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
 257                 break;
 258
 259         case BFA_RPORT_SM_HWFAIL:
 260                 bfa_stats(rp, sm_on_hwf);
 261                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 262                 break;
 263
 264         case BFA_RPORT_SM_SET_SPEED:
 265                 bfa_rport_send_fwspeed(rp);
 266                 break;
 267
 268         case BFA_RPORT_SM_QOS_SCN:
 269                 qos_scn = (struct bfi_rport_qos_scn_s *) rp->event_arg.fw_msg;
 270                 rp->qos_attr = qos_scn->new_qos_attr;
 271                 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_flow_id);
 272                 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_flow_id);
 273                 bfa_trc(rp->bfa, qos_scn->old_qos_attr.qos_priority);
 274                 bfa_trc(rp->bfa, qos_scn->new_qos_attr.qos_priority);
 275
 276                 qos_scn->old_qos_attr.qos_flow_id  =
 277                         bfa_os_ntohl(qos_scn->old_qos_attr.qos_flow_id);
 278                 qos_scn->new_qos_attr.qos_flow_id  =
 279                         bfa_os_ntohl(qos_scn->new_qos_attr.qos_flow_id);
 280                 qos_scn->old_qos_attr.qos_priority =
 281                         bfa_os_ntohl(qos_scn->old_qos_attr.qos_priority);
 282                 qos_scn->new_qos_attr.qos_priority =
 283                         bfa_os_ntohl(qos_scn->new_qos_attr.qos_priority);
 284
 285                 if (qos_scn->old_qos_attr.qos_flow_id !=
 286                         qos_scn->new_qos_attr.qos_flow_id)
 287                         bfa_cb_rport_qos_scn_flowid(rp->rport_drv,
 288                                                     qos_scn->old_qos_attr,
 289                                                     qos_scn->new_qos_attr);
 290                 if (qos_scn->old_qos_attr.qos_priority !=
 291                         qos_scn->new_qos_attr.qos_priority)
 292                         bfa_cb_rport_qos_scn_prio(rp->rport_drv,
 293                                                   qos_scn->old_qos_attr,
 294                                                   qos_scn->new_qos_attr);
 295                 break;
 296
 297         default:
 298                 bfa_stats(rp, sm_on_unexp);
 299                 bfa_sm_fault(rp->bfa, event);
 300         }
 301 }
 302
 303 /**
 304  * Firmware rport is being deleted - awaiting f/w response.
 305  */
 306 static void
 307 bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
 308 {
 309         bfa_trc(rp->bfa, rp->rport_tag);
 310         bfa_trc(rp->bfa, event);
 311
 312         switch (event) {
 313         case BFA_RPORT_SM_FWRSP:
 314                 bfa_stats(rp, sm_fwd_rsp);
 315                 bfa_sm_set_state(rp, bfa_rport_sm_offline);
 316                 bfa_rport_offline_cb(rp);
 317                 break;
 318
 319         case BFA_RPORT_SM_DELETE:
 320                 bfa_stats(rp, sm_fwd_del);
 321                 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
 322                 break;
 323
 324         case BFA_RPORT_SM_HWFAIL:
 325                 bfa_stats(rp, sm_fwd_hwf);
 326                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 327                 bfa_rport_offline_cb(rp);
 328                 break;
 329
 330         default:
 331                 bfa_stats(rp, sm_fwd_unexp);
 332                 bfa_sm_fault(rp->bfa, event);
 333         }
 334 }
 335
 336 static void
 337 bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
 338 {
 339         bfa_trc(rp->bfa, rp->rport_tag);
 340         bfa_trc(rp->bfa, event);
 341
 342         switch (event) {
 343         case BFA_RPORT_SM_QRESUME:
 344                 bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
 345                 bfa_rport_send_fwdelete(rp);
 346                 break;
 347
 348         case BFA_RPORT_SM_DELETE:
 349                 bfa_stats(rp, sm_fwd_del);
 350                 bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
 351                 break;
 352
 353         case BFA_RPORT_SM_HWFAIL:
 354                 bfa_stats(rp, sm_fwd_hwf);
 355                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 356                 bfa_reqq_wcancel(&rp->reqq_wait);
 357                 bfa_rport_offline_cb(rp);
 358                 break;
 359
 360         default:
 361                 bfa_stats(rp, sm_fwd_unexp);
 362                 bfa_sm_fault(rp->bfa, event);
 363         }
 364 }
 365
 366 /**
 367  * Offline state.
 368  */
 369 static void
 370 bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
 371 {
 372         bfa_trc(rp->bfa, rp->rport_tag);
 373         bfa_trc(rp->bfa, event);
 374
 375         switch (event) {
 376         case BFA_RPORT_SM_DELETE:
 377                 bfa_stats(rp, sm_off_del);
 378                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 379                 bfa_rport_free(rp);
 380                 break;
 381
 382         case BFA_RPORT_SM_ONLINE:
 383                 bfa_stats(rp, sm_off_on);
 384                 if (bfa_rport_send_fwcreate(rp))
 385                         bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
 386                 else
 387                         bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
 388                 break;
 389
 390         case BFA_RPORT_SM_HWFAIL:
 391                 bfa_stats(rp, sm_off_hwf);
 392                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 393                 break;
 394
 395         default:
 396                 bfa_stats(rp, sm_off_unexp);
 397                 bfa_sm_fault(rp->bfa, event);
 398         }
 399 }
 400
 401 /**
 402  * Rport is deleted, waiting for firmware response to delete.
 403  */
 404 static void
 405 bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
 406 {
 407         bfa_trc(rp->bfa, rp->rport_tag);
 408         bfa_trc(rp->bfa, event);
 409
 410         switch (event) {
 411         case BFA_RPORT_SM_FWRSP:
 412                 bfa_stats(rp, sm_del_fwrsp);
 413                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 414                 bfa_rport_free(rp);
 415                 break;
 416
 417         case BFA_RPORT_SM_HWFAIL:
 418                 bfa_stats(rp, sm_del_hwf);
 419                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 420                 bfa_rport_free(rp);
 421                 break;
 422
 423         default:
 424                 bfa_sm_fault(rp->bfa, event);
 425         }
 426 }
 427
 428 static void
 429 bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
 430 {
 431         bfa_trc(rp->bfa, rp->rport_tag);
 432         bfa_trc(rp->bfa, event);
 433
 434         switch (event) {
 435         case BFA_RPORT_SM_QRESUME:
 436                 bfa_stats(rp, sm_del_fwrsp);
 437                 bfa_sm_set_state(rp, bfa_rport_sm_deleting);
 438                 bfa_rport_send_fwdelete(rp);
 439                 break;
 440
 441         case BFA_RPORT_SM_HWFAIL:
 442                 bfa_stats(rp, sm_del_hwf);
 443                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 444                 bfa_reqq_wcancel(&rp->reqq_wait);
 445                 bfa_rport_free(rp);
 446                 break;
 447
 448         default:
 449                 bfa_sm_fault(rp->bfa, event);
 450         }
 451 }
 452
 453 /**
 454  * Waiting for rport create response from firmware. A delete is pending.
 455  */
 456 static void
 457 bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
 458                                 enum bfa_rport_event event)
 459 {
 460         bfa_trc(rp->bfa, rp->rport_tag);
 461         bfa_trc(rp->bfa, event);
 462
 463         switch (event) {
 464         case BFA_RPORT_SM_FWRSP:
 465                 bfa_stats(rp, sm_delp_fwrsp);
 466                 if (bfa_rport_send_fwdelete(rp))
 467                         bfa_sm_set_state(rp, bfa_rport_sm_deleting);
 468                 else
 469                         bfa_sm_set_state(rp, bfa_rport_sm_deleting_qfull);
 470                 break;
 471
 472         case BFA_RPORT_SM_HWFAIL:
 473                 bfa_stats(rp, sm_delp_hwf);
 474                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 475                 bfa_rport_free(rp);
 476                 break;
 477
 478         default:
 479                 bfa_stats(rp, sm_delp_unexp);
 480                 bfa_sm_fault(rp->bfa, event);
 481         }
 482 }
 483
 484 /**
 485  * Waiting for rport create response from firmware. Rport offline is pending.
 486  */
 487 static void
 488 bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
 489                                  enum bfa_rport_event event)
 490 {
 491         bfa_trc(rp->bfa, rp->rport_tag);
 492         bfa_trc(rp->bfa, event);
 493
 494         switch (event) {
 495         case BFA_RPORT_SM_FWRSP:
 496                 bfa_stats(rp, sm_offp_fwrsp);
 497                 if (bfa_rport_send_fwdelete(rp))
 498                         bfa_sm_set_state(rp, bfa_rport_sm_fwdelete);
 499                 else
 500                         bfa_sm_set_state(rp, bfa_rport_sm_fwdelete_qfull);
 501                 break;
 502
 503         case BFA_RPORT_SM_DELETE:
 504                 bfa_stats(rp, sm_offp_del);
 505                 bfa_sm_set_state(rp, bfa_rport_sm_delete_pending);
 506                 break;
 507
 508         case BFA_RPORT_SM_HWFAIL:
 509                 bfa_stats(rp, sm_offp_hwf);
 510                 bfa_sm_set_state(rp, bfa_rport_sm_iocdisable);
 511                 break;
 512
 513         default:
 514                 bfa_stats(rp, sm_offp_unexp);
 515                 bfa_sm_fault(rp->bfa, event);
 516         }
 517 }
 518
 519 /**
 520  * IOC h/w failed.
 521  */
 522 static void
 523 bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
 524 {
 525         bfa_trc(rp->bfa, rp->rport_tag);
 526         bfa_trc(rp->bfa, event);
 527
 528         switch (event) {
 529         case BFA_RPORT_SM_OFFLINE:
 530                 bfa_stats(rp, sm_iocd_off);
 531                 bfa_rport_offline_cb(rp);
 532                 break;
 533
 534         case BFA_RPORT_SM_DELETE:
 535                 bfa_stats(rp, sm_iocd_del);
 536                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 537                 bfa_rport_free(rp);
 538                 break;
 539
 540         case BFA_RPORT_SM_ONLINE:
 541                 bfa_stats(rp, sm_iocd_on);
 542                 if (bfa_rport_send_fwcreate(rp))
 543                         bfa_sm_set_state(rp, bfa_rport_sm_fwcreate);
 544                 else
 545                         bfa_sm_set_state(rp, bfa_rport_sm_fwcreate_qfull);
 546                 break;
 547
 548         case BFA_RPORT_SM_HWFAIL:
 549                 break;
 550
 551         default:
 552                 bfa_stats(rp, sm_iocd_unexp);
 553                 bfa_sm_fault(rp->bfa, event);
 554         }
 555 }
 556
 557
 558
 559 /**
 560  *  bfa_rport_private BFA rport private functions
 561  */
 562
 563 static void
 564 __bfa_cb_rport_online(void *cbarg, bfa_boolean_t complete)
 565 {
 566         struct bfa_rport_s *rp = cbarg;
 567
 568         if (complete)
 569                 bfa_cb_rport_online(rp->rport_drv);
 570 }
 571
 572 static void
 573 __bfa_cb_rport_offline(void *cbarg, bfa_boolean_t complete)
 574 {
 575         struct bfa_rport_s *rp = cbarg;
 576
 577         if (complete)
 578                 bfa_cb_rport_offline(rp->rport_drv);
 579 }
 580
 581 static void
 582 bfa_rport_qresume(void *cbarg)
 583 {
 584         struct bfa_rport_s      *rp = cbarg;
 585
 586         bfa_sm_send_event(rp, BFA_RPORT_SM_QRESUME);
 587 }
 588
 589 static void
 590 bfa_rport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
 591                 u32 *dm_len)
 592 {
 593         if (cfg->fwcfg.num_rports < BFA_RPORT_MIN)
 594                 cfg->fwcfg.num_rports = BFA_RPORT_MIN;
 595
 596         *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_rport_s);
 597 }
 598
 599 static void
 600 bfa_rport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 601                      struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
 602 {
 603         struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
 604         struct bfa_rport_s *rp;
 605         u16        i;
 606
 607         INIT_LIST_HEAD(&mod->rp_free_q);
 608         INIT_LIST_HEAD(&mod->rp_active_q);
 609
 610         rp = (struct bfa_rport_s *) bfa_meminfo_kva(meminfo);
 611         mod->rps_list = rp;
 612         mod->num_rports = cfg->fwcfg.num_rports;
 613
 614         bfa_assert(mod->num_rports
 615                    && !(mod->num_rports & (mod->num_rports - 1)));
 616
 617         for (i = 0; i < mod->num_rports; i++, rp++) {
 618                 bfa_os_memset(rp, 0, sizeof(struct bfa_rport_s));
 619                 rp->bfa = bfa;
 620                 rp->rport_tag = i;
 621                 bfa_sm_set_state(rp, bfa_rport_sm_uninit);
 622
 623                 /**
 624                  *  - is unused
 625                  */
 626                 if (i)
 627                         list_add_tail(&rp->qe, &mod->rp_free_q);
 628
 629                 bfa_reqq_winit(&rp->reqq_wait, bfa_rport_qresume, rp);
 630         }
 631
 632         /**
 633          * consume memory
 634          */
 635         bfa_meminfo_kva(meminfo) = (u8 *) rp;
 636 }
 637
 638 static void
 639 bfa_rport_detach(struct bfa_s *bfa)
 640 {
 641 }
 642
 643 static void
 644 bfa_rport_start(struct bfa_s *bfa)
 645 {
 646 }
 647
 648 static void
 649 bfa_rport_stop(struct bfa_s *bfa)
 650 {
 651 }
 652
 653 static void
 654 bfa_rport_iocdisable(struct bfa_s *bfa)
 655 {
 656         struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(bfa);
 657         struct bfa_rport_s *rport;
 658         struct list_head        *qe, *qen;
 659
 660         list_for_each_safe(qe, qen, &mod->rp_active_q) {
 661                 rport = (struct bfa_rport_s *) qe;
 662                 bfa_sm_send_event(rport, BFA_RPORT_SM_HWFAIL);
 663         }
 664 }
 665
 666 static struct bfa_rport_s *
 667 bfa_rport_alloc(struct bfa_rport_mod_s *mod)
 668 {
 669         struct bfa_rport_s *rport;
 670
 671         bfa_q_deq(&mod->rp_free_q, &rport);
 672         if (rport)
 673                 list_add_tail(&rport->qe, &mod->rp_active_q);
 674
 675         return rport;
 676 }
 677
 678 static void
 679 bfa_rport_free(struct bfa_rport_s *rport)
 680 {
 681         struct bfa_rport_mod_s *mod = BFA_RPORT_MOD(rport->bfa);
 682
 683         bfa_assert(bfa_q_is_on_q(&mod->rp_active_q, rport));
 684         list_del(&rport->qe);
 685         list_add_tail(&rport->qe, &mod->rp_free_q);
 686 }
 687
 688 static bfa_boolean_t
 689 bfa_rport_send_fwcreate(struct bfa_rport_s *rp)
 690 {
 691         struct bfi_rport_create_req_s *m;
 692
 693         /**
 694          * check for room in queue to send request now
 695          */
 696         m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
 697         if (!m) {
 698                 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
 699                 return BFA_FALSE;
 700         }
 701
 702         bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_CREATE_REQ,
 703                         bfa_lpuid(rp->bfa));
 704         m->bfa_handle = rp->rport_tag;
 705         m->max_frmsz = bfa_os_htons(rp->rport_info.max_frmsz);
 706         m->pid = rp->rport_info.pid;
 707         m->lp_tag = rp->rport_info.lp_tag;
 708         m->local_pid = rp->rport_info.local_pid;
 709         m->fc_class = rp->rport_info.fc_class;
 710         m->vf_en = rp->rport_info.vf_en;
 711         m->vf_id = rp->rport_info.vf_id;
 712         m->cisc = rp->rport_info.cisc;
 713
 714         /**
 715          * queue I/O message to firmware
 716          */
 717         bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
 718         return BFA_TRUE;
 719 }
 720
 721 static bfa_boolean_t
 722 bfa_rport_send_fwdelete(struct bfa_rport_s *rp)
 723 {
 724         struct bfi_rport_delete_req_s *m;
 725
 726         /**
 727          * check for room in queue to send request now
 728          */
 729         m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
 730         if (!m) {
 731                 bfa_reqq_wait(rp->bfa, BFA_REQQ_RPORT, &rp->reqq_wait);
 732                 return BFA_FALSE;
 733         }
 734
 735         bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_DELETE_REQ,
 736                         bfa_lpuid(rp->bfa));
 737         m->fw_handle = rp->fw_handle;
 738
 739         /**
 740          * queue I/O message to firmware
 741          */
 742         bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
 743         return BFA_TRUE;
 744 }
 745
 746 static bfa_boolean_t
 747 bfa_rport_send_fwspeed(struct bfa_rport_s *rp)
 748 {
 749         struct bfa_rport_speed_req_s *m;
 750
 751         /**
 752          * check for room in queue to send request now
 753          */
 754         m = bfa_reqq_next(rp->bfa, BFA_REQQ_RPORT);
 755         if (!m) {
 756                 bfa_trc(rp->bfa, rp->rport_info.speed);
 757                 return BFA_FALSE;
 758         }
 759
 760         bfi_h2i_set(m->mh, BFI_MC_RPORT, BFI_RPORT_H2I_SET_SPEED_REQ,
 761                         bfa_lpuid(rp->bfa));
 762         m->fw_handle = rp->fw_handle;
 763         m->speed = (u8)rp->rport_info.speed;
 764
 765         /**
 766          * queue I/O message to firmware
 767          */
 768         bfa_reqq_produce(rp->bfa, BFA_REQQ_RPORT);
 769         return BFA_TRUE;
 770 }
 771
 772
 773
 774 /**
 775  *  bfa_rport_public
 776  */
 777
 778 /**
 779  *              Rport interrupt processing.
 780  */
 781 void
 782 bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
 783 {
 784         union bfi_rport_i2h_msg_u msg;
 785         struct bfa_rport_s *rp;
 786
 787         bfa_trc(bfa, m->mhdr.msg_id);
 788
 789         msg.msg = m;
 790
 791         switch (m->mhdr.msg_id) {
 792         case BFI_RPORT_I2H_CREATE_RSP:
 793                 rp = BFA_RPORT_FROM_TAG(bfa, msg.create_rsp->bfa_handle);
 794                 rp->fw_handle = msg.create_rsp->fw_handle;
 795                 rp->qos_attr = msg.create_rsp->qos_attr;
 796                 bfa_assert(msg.create_rsp->status == BFA_STATUS_OK);
 797                 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
 798                 break;
 799
 800         case BFI_RPORT_I2H_DELETE_RSP:
 801                 rp = BFA_RPORT_FROM_TAG(bfa, msg.delete_rsp->bfa_handle);
 802                 bfa_assert(msg.delete_rsp->status == BFA_STATUS_OK);
 803                 bfa_sm_send_event(rp, BFA_RPORT_SM_FWRSP);
 804                 break;
 805
 806         case BFI_RPORT_I2H_QOS_SCN:
 807                 rp = BFA_RPORT_FROM_TAG(bfa, msg.qos_scn_evt->bfa_handle);
 808                 rp->event_arg.fw_msg = msg.qos_scn_evt;
 809                 bfa_sm_send_event(rp, BFA_RPORT_SM_QOS_SCN);
 810                 break;
 811
 812         default:
 813                 bfa_trc(bfa, m->mhdr.msg_id);
 814                 bfa_assert(0);
 815         }
 816 }
 817
 818
 819
 820 /**
 821  *  bfa_rport_api
 822  */
 823
 824 struct bfa_rport_s *
 825 bfa_rport_create(struct bfa_s *bfa, void *rport_drv)
 826 {
 827         struct bfa_rport_s *rp;
 828
 829         rp = bfa_rport_alloc(BFA_RPORT_MOD(bfa));
 830
 831         if (rp == NULL)
 832                 return NULL;
 833
 834         rp->bfa = bfa;
 835         rp->rport_drv = rport_drv;
 836         bfa_rport_clear_stats(rp);
 837
 838         bfa_assert(bfa_sm_cmp_state(rp, bfa_rport_sm_uninit));
 839         bfa_sm_send_event(rp, BFA_RPORT_SM_CREATE);
 840
 841         return rp;
 842 }
 843
 844 void
 845 bfa_rport_delete(struct bfa_rport_s *rport)
 846 {
 847         bfa_sm_send_event(rport, BFA_RPORT_SM_DELETE);
 848 }
 849
 850 void
 851 bfa_rport_online(struct bfa_rport_s *rport, struct bfa_rport_info_s *rport_info)
 852 {
 853         bfa_assert(rport_info->max_frmsz != 0);
 854
 855         /**
 856          * Some JBODs are seen to be not setting PDU size correctly in PLOGI
 857          * responses. Default to minimum size.
 858          */
 859         if (rport_info->max_frmsz == 0) {
 860                 bfa_trc(rport->bfa, rport->rport_tag);
 861                 rport_info->max_frmsz = FC_MIN_PDUSZ;
 862         }
 863
 864         bfa_os_assign(rport->rport_info, *rport_info);
 865         bfa_sm_send_event(rport, BFA_RPORT_SM_ONLINE);
 866 }
 867
 868 void
 869 bfa_rport_offline(struct bfa_rport_s *rport)
 870 {
 871         bfa_sm_send_event(rport, BFA_RPORT_SM_OFFLINE);
 872 }
 873
 874 void
 875 bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_pport_speed speed)
 876 {
 877         bfa_assert(speed != 0);
 878         bfa_assert(speed != BFA_PPORT_SPEED_AUTO);
 879
 880         rport->rport_info.speed = speed;
 881         bfa_sm_send_event(rport, BFA_RPORT_SM_SET_SPEED);
 882 }
 883
 884 void
 885 bfa_rport_get_stats(struct bfa_rport_s *rport,
 886         struct bfa_rport_hal_stats_s *stats)
 887 {
 888         *stats = rport->stats;
 889 }
 890
 891 void
 892 bfa_rport_get_qos_attr(struct bfa_rport_s *rport,
 893                                         struct bfa_rport_qos_attr_s *qos_attr)
 894 {
 895         qos_attr->qos_priority  = bfa_os_ntohl(rport->qos_attr.qos_priority);
 896         qos_attr->qos_flow_id  = bfa_os_ntohl(rport->qos_attr.qos_flow_id);
 897
 898 }
 899
 900 void
 901 bfa_rport_clear_stats(struct bfa_rport_s *rport)
 902 {
 903         bfa_os_memset(&rport->stats, 0, sizeof(rport->stats));
 904 }