drivers/staging/lustre/lnet/selftest/console.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  19  *
  20  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  21  * CA 95054 USA or visit www.sun.com if you need additional information or
  22  * have any questions.
  23  *
  24  * GPL HEADER END
  25  */
  26 /*
  27  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  28  * Use is subject to license terms.
  29  *
  30  * Copyright (c) 2012, Intel Corporation.
  31  */
  32 /*
  33  * This file is part of Lustre, http://www.lustre.org/
  34  * Lustre is a trademark of Sun Microsystems, Inc.
  35  *
  36  * lnet/selftest/conctl.c
  37  *
  38  * Infrastructure of LST console
  39  *
  40  * Author: Liang Zhen <liangzhen@clusterfs.com>
  41  */
  42
  43
  44 #include <linux/libcfs/libcfs.h>
  45 #include <linux/lnet/lib-lnet.h>
  46 #include "console.h"
  47 #include "conrpc.h"
  48
  49 #define LST_NODE_STATE_COUNTER(nd, p)              \
  50 do {                                                \
  51         if ((nd)->nd_state == LST_NODE_ACTIVE)    \
  52                 (p)->nle_nactive ++;                \
  53         else if ((nd)->nd_state == LST_NODE_BUSY)       \
  54                 (p)->nle_nbusy ++;                    \
  55         else if ((nd)->nd_state == LST_NODE_DOWN)       \
  56                 (p)->nle_ndown ++;                    \
  57         else                                        \
  58                 (p)->nle_nunknown ++;              \
  59         (p)->nle_nnode ++;                            \
  60 } while (0)
  61
  62 lstcon_session_t        console_session;
  63
  64 void
  65 lstcon_node_get(lstcon_node_t *nd)
  66 {
  67         LASSERT (nd->nd_ref >= 1);
  68
  69         nd->nd_ref++;
  70 }
  71
  72 static int
  73 lstcon_node_find(lnet_process_id_t id, lstcon_node_t **ndpp, int create)
  74 {
  75         lstcon_ndlink_t *ndl;
  76         unsigned int     idx = LNET_NIDADDR(id.nid) % LST_GLOBAL_HASHSIZE;
  77
  78         LASSERT (id.nid != LNET_NID_ANY);
  79
  80         list_for_each_entry(ndl, &console_session.ses_ndl_hash[idx], ndl_hlink) {
  81                 if (ndl->ndl_node->nd_id.nid != id.nid ||
  82                     ndl->ndl_node->nd_id.pid != id.pid)
  83                         continue;
  84
  85                 lstcon_node_get(ndl->ndl_node);
  86                 *ndpp = ndl->ndl_node;
  87                 return 0;
  88         }
  89
  90         if (!create)
  91                 return -ENOENT;
  92
  93         LIBCFS_ALLOC(*ndpp, sizeof(lstcon_node_t) + sizeof(lstcon_ndlink_t));
  94         if (*ndpp == NULL)
  95                 return -ENOMEM;
  96
  97         ndl = (lstcon_ndlink_t *)(*ndpp + 1);
  98
  99         ndl->ndl_node = *ndpp;
 100
 101         ndl->ndl_node->nd_ref   = 1;
 102         ndl->ndl_node->nd_id    = id;
 103         ndl->ndl_node->nd_stamp = cfs_time_current();
 104         ndl->ndl_node->nd_state = LST_NODE_UNKNOWN;
 105         ndl->ndl_node->nd_timeout = 0;
 106         memset(&ndl->ndl_node->nd_ping, 0, sizeof(lstcon_rpc_t));
 107
 108         /* queued in global hash & list, no refcount is taken by
 109          * global hash & list, if caller release his refcount,
 110          * node will be released */
 111         list_add_tail(&ndl->ndl_hlink, &console_session.ses_ndl_hash[idx]);
 112         list_add_tail(&ndl->ndl_link, &console_session.ses_ndl_list);
 113
 114         return 0;
 115 }
 116
 117 void
 118 lstcon_node_put(lstcon_node_t *nd)
 119 {
 120         lstcon_ndlink_t  *ndl;
 121
 122         LASSERT (nd->nd_ref > 0);
 123
 124         if (--nd->nd_ref > 0)
 125                 return;
 126
 127         ndl = (lstcon_ndlink_t *)(nd + 1);
 128
 129         LASSERT (!list_empty(&ndl->ndl_link));
 130         LASSERT (!list_empty(&ndl->ndl_hlink));
 131
 132         /* remove from session */
 133         list_del(&ndl->ndl_link);
 134         list_del(&ndl->ndl_hlink);
 135
 136         LIBCFS_FREE(nd, sizeof(lstcon_node_t) + sizeof(lstcon_ndlink_t));
 137 }
 138
 139 static int
 140 lstcon_ndlink_find(struct list_head *hash,
 141                    lnet_process_id_t id, lstcon_ndlink_t **ndlpp, int create)
 142 {
 143         unsigned int     idx = LNET_NIDADDR(id.nid) % LST_NODE_HASHSIZE;
 144         lstcon_ndlink_t *ndl;
 145         lstcon_node_t   *nd;
 146         int           rc;
 147
 148         if (id.nid == LNET_NID_ANY)
 149                 return -EINVAL;
 150
 151         /* search in hash */
 152         list_for_each_entry(ndl, &hash[idx], ndl_hlink) {
 153                 if (ndl->ndl_node->nd_id.nid != id.nid ||
 154                     ndl->ndl_node->nd_id.pid != id.pid)
 155                         continue;
 156
 157                 *ndlpp = ndl;
 158                 return 0;
 159         }
 160
 161         if (create == 0)
 162                 return -ENOENT;
 163
 164         /* find or create in session hash */
 165         rc = lstcon_node_find(id, &nd, (create == 1) ? 1 : 0);
 166         if (rc != 0)
 167                 return rc;
 168
 169         LIBCFS_ALLOC(ndl, sizeof(lstcon_ndlink_t));
 170         if (ndl == NULL) {
 171                 lstcon_node_put(nd);
 172                 return -ENOMEM;
 173         }
 174
 175         *ndlpp = ndl;
 176
 177         ndl->ndl_node = nd;
 178         INIT_LIST_HEAD(&ndl->ndl_link);
 179         list_add_tail(&ndl->ndl_hlink, &hash[idx]);
 180
 181         return  0;
 182 }
 183
 184 static void
 185 lstcon_ndlink_release(lstcon_ndlink_t *ndl)
 186 {
 187         LASSERT (list_empty(&ndl->ndl_link));
 188         LASSERT (!list_empty(&ndl->ndl_hlink));
 189
 190         list_del(&ndl->ndl_hlink); /* delete from hash */
 191         lstcon_node_put(ndl->ndl_node);
 192
 193         LIBCFS_FREE(ndl, sizeof(*ndl));
 194 }
 195
 196 static int
 197 lstcon_group_alloc(char *name, lstcon_group_t **grpp)
 198 {
 199         lstcon_group_t *grp;
 200         int          i;
 201
 202         LIBCFS_ALLOC(grp, offsetof(lstcon_group_t,
 203                                    grp_ndl_hash[LST_NODE_HASHSIZE]));
 204         if (grp == NULL)
 205                 return -ENOMEM;
 206
 207         memset(grp, 0, offsetof(lstcon_group_t,
 208                                 grp_ndl_hash[LST_NODE_HASHSIZE]));
 209
 210         grp->grp_ref = 1;
 211         if (name != NULL)
 212                 strcpy(grp->grp_name, name);
 213
 214         INIT_LIST_HEAD(&grp->grp_link);
 215         INIT_LIST_HEAD(&grp->grp_ndl_list);
 216         INIT_LIST_HEAD(&grp->grp_trans_list);
 217
 218         for (i = 0; i < LST_NODE_HASHSIZE; i++)
 219                 INIT_LIST_HEAD(&grp->grp_ndl_hash[i]);
 220
 221         *grpp = grp;
 222
 223         return 0;
 224 }
 225
 226 static void
 227 lstcon_group_addref(lstcon_group_t *grp)
 228 {
 229         grp->grp_ref ++;
 230 }
 231
 232 static void lstcon_group_ndlink_release(lstcon_group_t *, lstcon_ndlink_t *);
 233
 234 static void
 235 lstcon_group_drain(lstcon_group_t *grp, int keep)
 236 {
 237         lstcon_ndlink_t *ndl;
 238         lstcon_ndlink_t *tmp;
 239
 240         list_for_each_entry_safe(ndl, tmp, &grp->grp_ndl_list, ndl_link) {
 241                 if ((ndl->ndl_node->nd_state & keep) == 0)
 242                         lstcon_group_ndlink_release(grp, ndl);
 243         }
 244 }
 245
 246 static void
 247 lstcon_group_decref(lstcon_group_t *grp)
 248 {
 249         int     i;
 250
 251         if (--grp->grp_ref > 0)
 252                 return;
 253
 254         if (!list_empty(&grp->grp_link))
 255                 list_del(&grp->grp_link);
 256
 257         lstcon_group_drain(grp, 0);
 258
 259         for (i = 0; i < LST_NODE_HASHSIZE; i++) {
 260                 LASSERT (list_empty(&grp->grp_ndl_hash[i]));
 261         }
 262
 263         LIBCFS_FREE(grp, offsetof(lstcon_group_t,
 264                                   grp_ndl_hash[LST_NODE_HASHSIZE]));
 265 }
 266
 267 static int
 268 lstcon_group_find(char *name, lstcon_group_t **grpp)
 269 {
 270         lstcon_group_t   *grp;
 271
 272         list_for_each_entry(grp, &console_session.ses_grp_list, grp_link) {
 273                 if (strncmp(grp->grp_name, name, LST_NAME_SIZE) != 0)
 274                         continue;
 275
 276                 lstcon_group_addref(grp);  /* +1 ref for caller */
 277                 *grpp = grp;
 278                 return 0;
 279         }
 280
 281         return -ENOENT;
 282 }
 283
 284 static void
 285 lstcon_group_put(lstcon_group_t *grp)
 286 {
 287         lstcon_group_decref(grp);
 288 }
 289
 290 static int
 291 lstcon_group_ndlink_find(lstcon_group_t *grp, lnet_process_id_t id,
 292                          lstcon_ndlink_t **ndlpp, int create)
 293 {
 294         int     rc;
 295
 296         rc = lstcon_ndlink_find(&grp->grp_ndl_hash[0], id, ndlpp, create);
 297         if (rc != 0)
 298                 return rc;
 299
 300         if (!list_empty(&(*ndlpp)->ndl_link))
 301                 return 0;
 302
 303         list_add_tail(&(*ndlpp)->ndl_link, &grp->grp_ndl_list);
 304         grp->grp_nnode ++;
 305
 306         return 0;
 307 }
 308
 309 static void
 310 lstcon_group_ndlink_release(lstcon_group_t *grp, lstcon_ndlink_t *ndl)
 311 {
 312         list_del_init(&ndl->ndl_link);
 313         lstcon_ndlink_release(ndl);
 314         grp->grp_nnode --;
 315 }
 316
 317 static void
 318 lstcon_group_ndlink_move(lstcon_group_t *old,
 319                          lstcon_group_t *new, lstcon_ndlink_t *ndl)
 320 {
 321         unsigned int idx = LNET_NIDADDR(ndl->ndl_node->nd_id.nid) %
 322                            LST_NODE_HASHSIZE;
 323
 324         list_del(&ndl->ndl_hlink);
 325         list_del(&ndl->ndl_link);
 326         old->grp_nnode --;
 327
 328         list_add_tail(&ndl->ndl_hlink, &new->grp_ndl_hash[idx]);
 329         list_add_tail(&ndl->ndl_link, &new->grp_ndl_list);
 330         new->grp_nnode ++;
 331
 332         return;
 333 }
 334
 335 static void
 336 lstcon_group_move(lstcon_group_t *old, lstcon_group_t *new)
 337 {
 338         lstcon_ndlink_t *ndl;
 339
 340         while (!list_empty(&old->grp_ndl_list)) {
 341                 ndl = list_entry(old->grp_ndl_list.next,
 342                                      lstcon_ndlink_t, ndl_link);
 343                 lstcon_group_ndlink_move(old, new, ndl);
 344         }
 345 }
 346
 347 int
 348 lstcon_sesrpc_condition(int transop, lstcon_node_t *nd, void *arg)
 349 {
 350         lstcon_group_t *grp = (lstcon_group_t *)arg;
 351
 352         switch (transop) {
 353         case LST_TRANS_SESNEW:
 354                 if (nd->nd_state == LST_NODE_ACTIVE)
 355                         return 0;
 356                 break;
 357
 358         case LST_TRANS_SESEND:
 359                 if (nd->nd_state != LST_NODE_ACTIVE)
 360                         return 0;
 361
 362                 if (grp != NULL && nd->nd_ref > 1)
 363                         return 0;
 364                 break;
 365
 366         case LST_TRANS_SESQRY:
 367                 break;
 368
 369         default:
 370                 LBUG();
 371         }
 372
 373         return 1;
 374 }
 375
 376 int
 377 lstcon_sesrpc_readent(int transop, srpc_msg_t *msg,
 378                       lstcon_rpc_ent_t *ent_up)
 379 {
 380         srpc_debug_reply_t *rep;
 381
 382         switch (transop) {
 383         case LST_TRANS_SESNEW:
 384         case LST_TRANS_SESEND:
 385                 return 0;
 386
 387         case LST_TRANS_SESQRY:
 388                 rep = &msg->msg_body.dbg_reply;
 389
 390                 if (copy_to_user(&ent_up->rpe_priv[0],
 391                                      &rep->dbg_timeout, sizeof(int)) ||
 392                     copy_to_user(&ent_up->rpe_payload[0],
 393                                      &rep->dbg_name, LST_NAME_SIZE))
 394                         return -EFAULT;
 395
 396                 return 0;
 397
 398         default:
 399                 LBUG();
 400         }
 401
 402         return 0;
 403 }
 404
 405 static int
 406 lstcon_group_nodes_add(lstcon_group_t *grp,
 407                        int count, lnet_process_id_t *ids_up,
 408                        unsigned *featp, struct list_head *result_up)
 409 {
 410         lstcon_rpc_trans_t      *trans;
 411         lstcon_ndlink_t  *ndl;
 412         lstcon_group_t    *tmp;
 413         lnet_process_id_t       id;
 414         int                   i;
 415         int                   rc;
 416
 417         rc = lstcon_group_alloc(NULL, &tmp);
 418         if (rc != 0) {
 419                 CERROR("Out of memory\n");
 420                 return -ENOMEM;
 421         }
 422
 423         for (i = 0 ; i < count; i++) {
 424                 if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
 425                         rc = -EFAULT;
 426                         break;
 427                 }
 428
 429                 /* skip if it's in this group already */
 430                 rc = lstcon_group_ndlink_find(grp, id, &ndl, 0);
 431                 if (rc == 0)
 432                         continue;
 433
 434                 /* add to tmp group */
 435                 rc = lstcon_group_ndlink_find(tmp, id, &ndl, 1);
 436                 if (rc != 0) {
 437                         CERROR("Can't create ndlink, out of memory\n");
 438                         break;
 439                 }
 440         }
 441
 442         if (rc != 0) {
 443                 lstcon_group_put(tmp);
 444                 return rc;
 445         }
 446
 447         rc = lstcon_rpc_trans_ndlist(&tmp->grp_ndl_list,
 448                                      &tmp->grp_trans_list, LST_TRANS_SESNEW,
 449                                      tmp, lstcon_sesrpc_condition, &trans);
 450         if (rc != 0) {
 451                 CERROR("Can't create transaction: %d\n", rc);
 452                 lstcon_group_put(tmp);
 453                 return rc;
 454         }
 455
 456         /* post all RPCs */
 457         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
 458
 459         rc = lstcon_rpc_trans_interpreter(trans, result_up,
 460                                           lstcon_sesrpc_readent);
 461         *featp = trans->tas_features;
 462
 463         /* destroy all RPGs */
 464         lstcon_rpc_trans_destroy(trans);
 465
 466         lstcon_group_move(tmp, grp);
 467         lstcon_group_put(tmp);
 468
 469         return rc;
 470 }
 471
 472 static int
 473 lstcon_group_nodes_remove(lstcon_group_t *grp,
 474                           int count, lnet_process_id_t *ids_up,
 475                           struct list_head *result_up)
 476 {
 477         lstcon_rpc_trans_t     *trans;
 478         lstcon_ndlink_t *ndl;
 479         lstcon_group_t   *tmp;
 480         lnet_process_id_t       id;
 481         int                  rc;
 482         int                  i;
 483
 484         /* End session and remove node from the group */
 485
 486         rc = lstcon_group_alloc(NULL, &tmp);
 487         if (rc != 0) {
 488                 CERROR("Out of memory\n");
 489                 return -ENOMEM;
 490         }
 491
 492         for (i = 0; i < count; i++) {
 493                 if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
 494                         rc = -EFAULT;
 495                         goto error;
 496                 }
 497
 498                 /* move node to tmp group */
 499                 if (lstcon_group_ndlink_find(grp, id, &ndl, 0) == 0)
 500                         lstcon_group_ndlink_move(grp, tmp, ndl);
 501         }
 502
 503         rc = lstcon_rpc_trans_ndlist(&tmp->grp_ndl_list,
 504                                      &tmp->grp_trans_list, LST_TRANS_SESEND,
 505                                      tmp, lstcon_sesrpc_condition, &trans);
 506         if (rc != 0) {
 507                 CERROR("Can't create transaction: %d\n", rc);
 508                 goto error;
 509         }
 510
 511         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
 512
 513         rc = lstcon_rpc_trans_interpreter(trans, result_up, NULL);
 514
 515         lstcon_rpc_trans_destroy(trans);
 516         /* release nodes anyway, because we can't rollback status */
 517         lstcon_group_put(tmp);
 518
 519         return rc;
 520 error:
 521         lstcon_group_move(tmp, grp);
 522         lstcon_group_put(tmp);
 523
 524         return rc;
 525 }
 526
 527 int
 528 lstcon_group_add(char *name)
 529 {
 530         lstcon_group_t *grp;
 531         int          rc;
 532
 533         rc = (lstcon_group_find(name, &grp) == 0)? -EEXIST: 0;
 534         if (rc != 0) {
 535                 /* find a group with same name */
 536                 lstcon_group_put(grp);
 537                 return rc;
 538         }
 539
 540         rc = lstcon_group_alloc(name, &grp);
 541         if (rc != 0) {
 542                 CERROR("Can't allocate descriptor for group %s\n", name);
 543                 return -ENOMEM;
 544         }
 545
 546         list_add_tail(&grp->grp_link, &console_session.ses_grp_list);
 547
 548         return rc;
 549 }
 550
 551 int
 552 lstcon_nodes_add(char *name, int count, lnet_process_id_t *ids_up,
 553                  unsigned *featp, struct list_head *result_up)
 554 {
 555         lstcon_group_t   *grp;
 556         int                  rc;
 557
 558         LASSERT (count > 0);
 559         LASSERT (ids_up != NULL);
 560
 561         rc = lstcon_group_find(name, &grp);
 562         if (rc != 0) {
 563                 CDEBUG(D_NET, "Can't find group %s\n", name);
 564                 return rc;
 565         }
 566
 567         if (grp->grp_ref > 2) {
 568                 /* referred by other threads or test */
 569                 CDEBUG(D_NET, "Group %s is busy\n", name);
 570                 lstcon_group_put(grp);
 571
 572                 return -EBUSY;
 573         }
 574
 575         rc = lstcon_group_nodes_add(grp, count, ids_up, featp, result_up);
 576
 577         lstcon_group_put(grp);
 578
 579         return rc;
 580 }
 581
 582 int
 583 lstcon_group_del(char *name)
 584 {
 585         lstcon_rpc_trans_t *trans;
 586         lstcon_group_t     *grp;
 587         int              rc;
 588
 589         rc = lstcon_group_find(name, &grp);
 590         if (rc != 0) {
 591                 CDEBUG(D_NET, "Can't find group: %s\n", name);
 592                 return rc;
 593         }
 594
 595         if (grp->grp_ref > 2) {
 596                 /* referred by others threads or test */
 597                 CDEBUG(D_NET, "Group %s is busy\n", name);
 598                 lstcon_group_put(grp);
 599                 return -EBUSY;
 600         }
 601
 602         rc = lstcon_rpc_trans_ndlist(&grp->grp_ndl_list,
 603                                      &grp->grp_trans_list, LST_TRANS_SESEND,
 604                                      grp, lstcon_sesrpc_condition, &trans);
 605         if (rc != 0) {
 606                 CERROR("Can't create transaction: %d\n", rc);
 607                 lstcon_group_put(grp);
 608                 return rc;
 609         }
 610
 611         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
 612
 613         lstcon_rpc_trans_destroy(trans);
 614
 615         lstcon_group_put(grp);
 616         /* -ref for session, it's destroyed,
 617          * status can't be rolled back, destroy group anway */
 618         lstcon_group_put(grp);
 619
 620         return rc;
 621 }
 622
 623 int
 624 lstcon_group_clean(char *name, int args)
 625 {
 626         lstcon_group_t *grp = NULL;
 627         int          rc;
 628
 629         rc = lstcon_group_find(name, &grp);
 630         if (rc != 0) {
 631                 CDEBUG(D_NET, "Can't find group %s\n", name);
 632                 return rc;
 633         }
 634
 635         if (grp->grp_ref > 2) {
 636                 /* referred by test */
 637                 CDEBUG(D_NET, "Group %s is busy\n", name);
 638                 lstcon_group_put(grp);
 639                 return -EBUSY;
 640         }
 641
 642         args = (LST_NODE_ACTIVE | LST_NODE_BUSY |
 643                 LST_NODE_DOWN | LST_NODE_UNKNOWN) & ~args;
 644
 645         lstcon_group_drain(grp, args);
 646
 647         lstcon_group_put(grp);
 648         /* release empty group */
 649         if (list_empty(&grp->grp_ndl_list))
 650                 lstcon_group_put(grp);
 651
 652         return 0;
 653 }
 654
 655 int
 656 lstcon_nodes_remove(char *name, int count,
 657                     lnet_process_id_t *ids_up, struct list_head *result_up)
 658 {
 659         lstcon_group_t *grp = NULL;
 660         int          rc;
 661
 662         rc = lstcon_group_find(name, &grp);
 663         if (rc != 0) {
 664                 CDEBUG(D_NET, "Can't find group: %s\n", name);
 665                 return rc;
 666         }
 667
 668         if (grp->grp_ref > 2) {
 669                 /* referred by test */
 670                 CDEBUG(D_NET, "Group %s is busy\n", name);
 671                 lstcon_group_put(grp);
 672                 return -EBUSY;
 673         }
 674
 675         rc = lstcon_group_nodes_remove(grp, count, ids_up, result_up);
 676
 677         lstcon_group_put(grp);
 678         /* release empty group */
 679         if (list_empty(&grp->grp_ndl_list))
 680                 lstcon_group_put(grp);
 681
 682         return rc;
 683 }
 684
 685 int
 686 lstcon_group_refresh(char *name, struct list_head *result_up)
 687 {
 688         lstcon_rpc_trans_t      *trans;
 689         lstcon_group_t    *grp;
 690         int                   rc;
 691
 692         rc = lstcon_group_find(name, &grp);
 693         if (rc != 0) {
 694                 CDEBUG(D_NET, "Can't find group: %s\n", name);
 695                 return rc;
 696         }
 697
 698         if (grp->grp_ref > 2) {
 699                 /* referred by test */
 700                 CDEBUG(D_NET, "Group %s is busy\n", name);
 701                 lstcon_group_put(grp);
 702                 return -EBUSY;
 703         }
 704
 705         /* re-invite all inactive nodes int the group */
 706         rc = lstcon_rpc_trans_ndlist(&grp->grp_ndl_list,
 707                                      &grp->grp_trans_list, LST_TRANS_SESNEW,
 708                                      grp, lstcon_sesrpc_condition, &trans);
 709         if (rc != 0) {
 710                 /* local error, return */
 711                 CDEBUG(D_NET, "Can't create transaction: %d\n", rc);
 712                 lstcon_group_put(grp);
 713                 return rc;
 714         }
 715
 716         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
 717
 718         rc = lstcon_rpc_trans_interpreter(trans, result_up, NULL);
 719
 720         lstcon_rpc_trans_destroy(trans);
 721         /* -ref for me */
 722         lstcon_group_put(grp);
 723
 724         return rc;
 725 }
 726
 727 int
 728 lstcon_group_list(int index, int len, char *name_up)
 729 {
 730         lstcon_group_t *grp;
 731
 732         LASSERT (index >= 0);
 733         LASSERT (name_up != NULL);
 734
 735         list_for_each_entry(grp, &console_session.ses_grp_list, grp_link) {
 736                 if (index-- == 0) {
 737                         return copy_to_user(name_up, grp->grp_name, len) ?
 738                                -EFAULT : 0;
 739                 }
 740         }
 741
 742         return -ENOENT;
 743 }
 744
 745 static int
 746 lstcon_nodes_getent(struct list_head *head, int *index_p,
 747                     int *count_p, lstcon_node_ent_t *dents_up)
 748 {
 749         lstcon_ndlink_t  *ndl;
 750         lstcon_node_t    *nd;
 751         int            count = 0;
 752         int            index = 0;
 753
 754         LASSERT (index_p != NULL && count_p != NULL);
 755         LASSERT (dents_up != NULL);
 756         LASSERT (*index_p >= 0);
 757         LASSERT (*count_p > 0);
 758
 759         list_for_each_entry(ndl, head, ndl_link) {
 760                 if (index++ < *index_p)
 761                         continue;
 762
 763                 if (count >= *count_p)
 764                         break;
 765
 766                 nd = ndl->ndl_node;
 767                 if (copy_to_user(&dents_up[count].nde_id,
 768                                      &nd->nd_id, sizeof(nd->nd_id)) ||
 769                     copy_to_user(&dents_up[count].nde_state,
 770                                      &nd->nd_state, sizeof(nd->nd_state)))
 771                         return -EFAULT;
 772
 773                 count ++;
 774         }
 775
 776         if (index <= *index_p)
 777                 return -ENOENT;
 778
 779         *count_p = count;
 780         *index_p = index;
 781
 782         return 0;
 783 }
 784
 785 int
 786 lstcon_group_info(char *name, lstcon_ndlist_ent_t *gents_p,
 787                   int *index_p, int *count_p, lstcon_node_ent_t *dents_up)
 788 {
 789         lstcon_ndlist_ent_t *gentp;
 790         lstcon_group_t      *grp;
 791         lstcon_ndlink_t     *ndl;
 792         int               rc;
 793
 794         rc = lstcon_group_find(name, &grp);
 795         if (rc != 0) {
 796                 CDEBUG(D_NET, "Can't find group %s\n", name);
 797                 return rc;
 798         }
 799
 800         if (dents_up) {
 801                 /* verbose query */
 802                 rc = lstcon_nodes_getent(&grp->grp_ndl_list,
 803                                          index_p, count_p, dents_up);
 804                 lstcon_group_put(grp);
 805
 806                 return rc;
 807         }
 808
 809         /* non-verbose query */
 810         LIBCFS_ALLOC(gentp, sizeof(lstcon_ndlist_ent_t));
 811         if (gentp == NULL) {
 812                 CERROR("Can't allocate ndlist_ent\n");
 813                 lstcon_group_put(grp);
 814
 815                 return -ENOMEM;
 816         }
 817
 818         memset(gentp, 0, sizeof(lstcon_ndlist_ent_t));
 819
 820         list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link)
 821                 LST_NODE_STATE_COUNTER(ndl->ndl_node, gentp);
 822
 823         rc = copy_to_user(gents_p, gentp,
 824                               sizeof(lstcon_ndlist_ent_t)) ? -EFAULT: 0;
 825
 826         LIBCFS_FREE(gentp, sizeof(lstcon_ndlist_ent_t));
 827
 828         lstcon_group_put(grp);
 829
 830         return 0;
 831 }
 832
 833 int
 834 lstcon_batch_find(char *name, lstcon_batch_t **batpp)
 835 {
 836         lstcon_batch_t   *bat;
 837
 838         list_for_each_entry(bat, &console_session.ses_bat_list, bat_link) {
 839                 if (strncmp(bat->bat_name, name, LST_NAME_SIZE) == 0) {
 840                         *batpp = bat;
 841                         return 0;
 842                 }
 843         }
 844
 845         return -ENOENT;
 846 }
 847
 848 int
 849 lstcon_batch_add(char *name)
 850 {
 851         lstcon_batch_t   *bat;
 852         int            i;
 853         int            rc;
 854
 855         rc = (lstcon_batch_find(name, &bat) == 0)? -EEXIST: 0;
 856         if (rc != 0) {
 857                 CDEBUG(D_NET, "Batch %s already exists\n", name);
 858                 return rc;
 859         }
 860
 861         LIBCFS_ALLOC(bat, sizeof(lstcon_batch_t));
 862         if (bat == NULL) {
 863                 CERROR("Can't allocate descriptor for batch %s\n", name);
 864                 return -ENOMEM;
 865         }
 866
 867         LIBCFS_ALLOC(bat->bat_cli_hash,
 868                      sizeof(struct list_head) * LST_NODE_HASHSIZE);
 869         if (bat->bat_cli_hash == NULL) {
 870                 CERROR("Can't allocate hash for batch %s\n", name);
 871                 LIBCFS_FREE(bat, sizeof(lstcon_batch_t));
 872
 873                 return -ENOMEM;
 874         }
 875
 876         LIBCFS_ALLOC(bat->bat_srv_hash,
 877                      sizeof(struct list_head) * LST_NODE_HASHSIZE);
 878         if (bat->bat_srv_hash == NULL) {
 879                 CERROR("Can't allocate hash for batch %s\n", name);
 880                 LIBCFS_FREE(bat->bat_cli_hash, LST_NODE_HASHSIZE);
 881                 LIBCFS_FREE(bat, sizeof(lstcon_batch_t));
 882
 883                 return -ENOMEM;
 884         }
 885
 886         strcpy(bat->bat_name, name);
 887         bat->bat_hdr.tsb_index = 0;
 888         bat->bat_hdr.tsb_id.bat_id = ++console_session.ses_id_cookie;
 889
 890         bat->bat_ntest = 0;
 891         bat->bat_state = LST_BATCH_IDLE;
 892
 893         INIT_LIST_HEAD(&bat->bat_cli_list);
 894         INIT_LIST_HEAD(&bat->bat_srv_list);
 895         INIT_LIST_HEAD(&bat->bat_test_list);
 896         INIT_LIST_HEAD(&bat->bat_trans_list);
 897
 898         for (i = 0; i < LST_NODE_HASHSIZE; i++) {
 899                 INIT_LIST_HEAD(&bat->bat_cli_hash[i]);
 900                 INIT_LIST_HEAD(&bat->bat_srv_hash[i]);
 901         }
 902
 903         list_add_tail(&bat->bat_link, &console_session.ses_bat_list);
 904
 905         return rc;
 906 }
 907
 908 int
 909 lstcon_batch_list(int index, int len, char *name_up)
 910 {
 911         lstcon_batch_t    *bat;
 912
 913         LASSERT (name_up != NULL);
 914         LASSERT (index >= 0);
 915
 916         list_for_each_entry(bat, &console_session.ses_bat_list, bat_link) {
 917                 if (index-- == 0) {
 918                         return copy_to_user(name_up,bat->bat_name, len) ?
 919                                -EFAULT: 0;
 920                 }
 921         }
 922
 923         return -ENOENT;
 924 }
 925
 926 int
 927 lstcon_batch_info(char *name, lstcon_test_batch_ent_t *ent_up, int server,
 928                   int testidx, int *index_p, int *ndent_p,
 929                   lstcon_node_ent_t *dents_up)
 930 {
 931         lstcon_test_batch_ent_t *entp;
 932         struct list_head              *clilst;
 933         struct list_head              *srvlst;
 934         lstcon_test_t      *test = NULL;
 935         lstcon_batch_t    *bat;
 936         lstcon_ndlink_t  *ndl;
 937         int                   rc;
 938
 939         rc = lstcon_batch_find(name, &bat);
 940         if (rc != 0) {
 941                 CDEBUG(D_NET, "Can't find batch %s\n", name);
 942                 return -ENOENT;
 943         }
 944
 945         if (testidx > 0) {
 946                 /* query test, test index start from 1 */
 947                 list_for_each_entry(test, &bat->bat_test_list, tes_link) {
 948                         if (testidx-- == 1)
 949                                 break;
 950                 }
 951
 952                 if (testidx > 0) {
 953                         CDEBUG(D_NET, "Can't find specified test in batch\n");
 954                         return -ENOENT;
 955                 }
 956         }
 957
 958         clilst = (test == NULL) ? &bat->bat_cli_list :
 959                                   &test->tes_src_grp->grp_ndl_list;
 960         srvlst = (test == NULL) ? &bat->bat_srv_list :
 961                                   &test->tes_dst_grp->grp_ndl_list;
 962
 963         if (dents_up != NULL) {
 964                 rc = lstcon_nodes_getent((server ? srvlst: clilst),
 965                                          index_p, ndent_p, dents_up);
 966                 return rc;
 967         }
 968
 969         /* non-verbose query */
 970         LIBCFS_ALLOC(entp, sizeof(lstcon_test_batch_ent_t));
 971         if (entp == NULL)
 972                 return -ENOMEM;
 973
 974         memset(entp, 0, sizeof(lstcon_test_batch_ent_t));
 975
 976         if (test == NULL) {
 977                 entp->u.tbe_batch.bae_ntest = bat->bat_ntest;
 978                 entp->u.tbe_batch.bae_state = bat->bat_state;
 979
 980         } else {
 981
 982                 entp->u.tbe_test.tse_type   = test->tes_type;
 983                 entp->u.tbe_test.tse_loop   = test->tes_loop;
 984                 entp->u.tbe_test.tse_concur = test->tes_concur;
 985         }
 986
 987         list_for_each_entry(ndl, clilst, ndl_link)
 988                 LST_NODE_STATE_COUNTER(ndl->ndl_node, &entp->tbe_cli_nle);
 989
 990         list_for_each_entry(ndl, srvlst, ndl_link)
 991                 LST_NODE_STATE_COUNTER(ndl->ndl_node, &entp->tbe_srv_nle);
 992
 993         rc = copy_to_user(ent_up, entp,
 994                               sizeof(lstcon_test_batch_ent_t)) ? -EFAULT : 0;
 995
 996         LIBCFS_FREE(entp, sizeof(lstcon_test_batch_ent_t));
 997
 998         return rc;
 999 }
1000
1001 int
1002 lstcon_batrpc_condition(int transop, lstcon_node_t *nd, void *arg)
1003 {
1004         switch (transop) {
1005         case LST_TRANS_TSBRUN:
1006                 if (nd->nd_state != LST_NODE_ACTIVE)
1007                         return -ENETDOWN;
1008                 break;
1009
1010         case LST_TRANS_TSBSTOP:
1011                 if (nd->nd_state != LST_NODE_ACTIVE)
1012                         return 0;
1013                 break;
1014
1015         case LST_TRANS_TSBCLIQRY:
1016         case LST_TRANS_TSBSRVQRY:
1017                 break;
1018         }
1019
1020         return 1;
1021 }
1022
1023 static int
1024 lstcon_batch_op(lstcon_batch_t *bat, int transop,
1025                 struct list_head *result_up)
1026 {
1027         lstcon_rpc_trans_t *trans;
1028         int              rc;
1029
1030         rc = lstcon_rpc_trans_ndlist(&bat->bat_cli_list,
1031                                      &bat->bat_trans_list, transop,
1032                                      bat, lstcon_batrpc_condition, &trans);
1033         if (rc != 0) {
1034                 CERROR("Can't create transaction: %d\n", rc);
1035                 return rc;
1036         }
1037
1038         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
1039
1040         rc = lstcon_rpc_trans_interpreter(trans, result_up, NULL);
1041
1042         lstcon_rpc_trans_destroy(trans);
1043
1044         return rc;
1045 }
1046
1047 int
1048 lstcon_batch_run(char *name, int timeout, struct list_head *result_up)
1049 {
1050         lstcon_batch_t *bat;
1051         int          rc;
1052
1053         if (lstcon_batch_find(name, &bat) != 0) {
1054                 CDEBUG(D_NET, "Can't find batch %s\n", name);
1055                 return -ENOENT;
1056         }
1057
1058         bat->bat_arg = timeout;
1059
1060         rc = lstcon_batch_op(bat, LST_TRANS_TSBRUN, result_up);
1061
1062         /* mark batch as running if it's started in any node */
1063         if (lstcon_tsbop_stat_success(lstcon_trans_stat(), 0) != 0)
1064                 bat->bat_state = LST_BATCH_RUNNING;
1065
1066         return rc;
1067 }
1068
1069 int
1070 lstcon_batch_stop(char *name, int force, struct list_head *result_up)
1071 {
1072         lstcon_batch_t *bat;
1073         int          rc;
1074
1075         if (lstcon_batch_find(name, &bat) != 0) {
1076                 CDEBUG(D_NET, "Can't find batch %s\n", name);
1077                 return -ENOENT;
1078         }
1079
1080         bat->bat_arg = force;
1081
1082         rc = lstcon_batch_op(bat, LST_TRANS_TSBSTOP, result_up);
1083
1084         /* mark batch as stopped if all RPCs finished */
1085         if (lstcon_tsbop_stat_failure(lstcon_trans_stat(), 0) == 0)
1086                 bat->bat_state = LST_BATCH_IDLE;
1087
1088         return rc;
1089 }
1090
1091 static void
1092 lstcon_batch_destroy(lstcon_batch_t *bat)
1093 {
1094         lstcon_ndlink_t    *ndl;
1095         lstcon_test_t      *test;
1096         int              i;
1097
1098         list_del(&bat->bat_link);
1099
1100         while (!list_empty(&bat->bat_test_list)) {
1101                 test = list_entry(bat->bat_test_list.next,
1102                                       lstcon_test_t, tes_link);
1103                 LASSERT (list_empty(&test->tes_trans_list));
1104
1105                 list_del(&test->tes_link);
1106
1107                 lstcon_group_put(test->tes_src_grp);
1108                 lstcon_group_put(test->tes_dst_grp);
1109
1110                 LIBCFS_FREE(test, offsetof(lstcon_test_t,
1111                                            tes_param[test->tes_paramlen]));
1112         }
1113
1114         LASSERT (list_empty(&bat->bat_trans_list));
1115
1116         while (!list_empty(&bat->bat_cli_list)) {
1117                 ndl = list_entry(bat->bat_cli_list.next,
1118                                      lstcon_ndlink_t, ndl_link);
1119                 list_del_init(&ndl->ndl_link);
1120
1121                 lstcon_ndlink_release(ndl);
1122         }
1123
1124         while (!list_empty(&bat->bat_srv_list)) {
1125                 ndl = list_entry(bat->bat_srv_list.next,
1126                                      lstcon_ndlink_t, ndl_link);
1127                 list_del_init(&ndl->ndl_link);
1128
1129                 lstcon_ndlink_release(ndl);
1130         }
1131
1132         for (i = 0; i < LST_NODE_HASHSIZE; i++) {
1133                 LASSERT (list_empty(&bat->bat_cli_hash[i]));
1134                 LASSERT (list_empty(&bat->bat_srv_hash[i]));
1135         }
1136
1137         LIBCFS_FREE(bat->bat_cli_hash,
1138                     sizeof(struct list_head) * LST_NODE_HASHSIZE);
1139         LIBCFS_FREE(bat->bat_srv_hash,
1140                     sizeof(struct list_head) * LST_NODE_HASHSIZE);
1141         LIBCFS_FREE(bat, sizeof(lstcon_batch_t));
1142 }
1143
1144 int
1145 lstcon_testrpc_condition(int transop, lstcon_node_t *nd, void *arg)
1146 {
1147         lstcon_test_t    *test;
1148         lstcon_batch_t   *batch;
1149         lstcon_ndlink_t  *ndl;
1150         struct list_head       *hash;
1151         struct list_head       *head;
1152
1153         test = (lstcon_test_t *)arg;
1154         LASSERT (test != NULL);
1155
1156         batch = test->tes_batch;
1157         LASSERT (batch != NULL);
1158
1159         if (test->tes_oneside &&
1160             transop == LST_TRANS_TSBSRVADD)
1161                 return 0;
1162
1163         if (nd->nd_state != LST_NODE_ACTIVE)
1164                 return -ENETDOWN;
1165
1166         if (transop == LST_TRANS_TSBCLIADD) {
1167                 hash = batch->bat_cli_hash;
1168                 head = &batch->bat_cli_list;
1169
1170         } else {
1171                 LASSERT (transop == LST_TRANS_TSBSRVADD);
1172
1173                 hash = batch->bat_srv_hash;
1174                 head = &batch->bat_srv_list;
1175         }
1176
1177         LASSERT (nd->nd_id.nid != LNET_NID_ANY);
1178
1179         if (lstcon_ndlink_find(hash, nd->nd_id, &ndl, 1) != 0)
1180                 return -ENOMEM;
1181
1182         if (list_empty(&ndl->ndl_link))
1183                 list_add_tail(&ndl->ndl_link, head);
1184
1185         return 1;
1186 }
1187
1188 static int
1189 lstcon_test_nodes_add(lstcon_test_t *test, struct list_head *result_up)
1190 {
1191         lstcon_rpc_trans_t     *trans;
1192         lstcon_group_t   *grp;
1193         int                  transop;
1194         int                  rc;
1195
1196         LASSERT (test->tes_src_grp != NULL);
1197         LASSERT (test->tes_dst_grp != NULL);
1198
1199         transop = LST_TRANS_TSBSRVADD;
1200         grp  = test->tes_dst_grp;
1201 again:
1202         rc = lstcon_rpc_trans_ndlist(&grp->grp_ndl_list,
1203                                      &test->tes_trans_list, transop,
1204                                      test, lstcon_testrpc_condition, &trans);
1205         if (rc != 0) {
1206                 CERROR("Can't create transaction: %d\n", rc);
1207                 return rc;
1208         }
1209
1210         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
1211
1212         if (lstcon_trans_stat()->trs_rpc_errno != 0 ||
1213             lstcon_trans_stat()->trs_fwk_errno != 0) {
1214                 lstcon_rpc_trans_interpreter(trans, result_up, NULL);
1215
1216                 lstcon_rpc_trans_destroy(trans);
1217                 /* return if any error */
1218                 CDEBUG(D_NET, "Failed to add test %s, "
1219                               "RPC error %d, framework error %d\n",
1220                        transop == LST_TRANS_TSBCLIADD ? "client" : "server",
1221                        lstcon_trans_stat()->trs_rpc_errno,
1222                        lstcon_trans_stat()->trs_fwk_errno);
1223
1224                 return rc;
1225         }
1226
1227         lstcon_rpc_trans_destroy(trans);
1228
1229         if (transop == LST_TRANS_TSBCLIADD)
1230                 return rc;
1231
1232         transop = LST_TRANS_TSBCLIADD;
1233         grp = test->tes_src_grp;
1234         test->tes_cliidx = 0;
1235
1236         /* requests to test clients */
1237         goto again;
1238 }
1239
1240 int
1241 lstcon_test_add(char *name, int type, int loop, int concur,
1242                 int dist, int span, char *src_name, char * dst_name,
1243                 void *param, int paramlen, int *retp,
1244                 struct list_head *result_up)
1245 {
1246         lstcon_group_t  *src_grp = NULL;
1247         lstcon_group_t  *dst_grp = NULL;
1248         lstcon_test_t   *test    = NULL;
1249         lstcon_batch_t  *batch;
1250         int           rc;
1251
1252         rc = lstcon_batch_find(name, &batch);
1253         if (rc != 0) {
1254                 CDEBUG(D_NET, "Can't find batch %s\n", name);
1255                 return rc;
1256         }
1257
1258         if (batch->bat_state != LST_BATCH_IDLE) {
1259                 CDEBUG(D_NET, "Can't change running batch %s\n", name);
1260                 return rc;
1261         }
1262
1263         rc = lstcon_group_find(src_name, &src_grp);
1264         if (rc != 0) {
1265                 CDEBUG(D_NET, "Can't find group %s\n", src_name);
1266                 goto out;
1267         }
1268
1269         rc = lstcon_group_find(dst_name, &dst_grp);
1270         if (rc != 0) {
1271                 CDEBUG(D_NET, "Can't find group %s\n", dst_name);
1272                 goto out;
1273         }
1274
1275         if (dst_grp->grp_userland)
1276                 *retp = 1;
1277
1278         LIBCFS_ALLOC(test, offsetof(lstcon_test_t, tes_param[paramlen]));
1279         if (!test) {
1280                 CERROR("Can't allocate test descriptor\n");
1281                 rc = -ENOMEM;
1282
1283                 goto out;
1284         }
1285
1286         memset(test, 0, offsetof(lstcon_test_t, tes_param[paramlen]));
1287         test->tes_hdr.tsb_id    = batch->bat_hdr.tsb_id;
1288         test->tes_batch  = batch;
1289         test->tes_type    = type;
1290         test->tes_oneside       = 0; /* TODO */
1291         test->tes_loop    = loop;
1292         test->tes_concur        = concur;
1293         test->tes_stop_onerr    = 1; /* TODO */
1294         test->tes_span    = span;
1295         test->tes_dist    = dist;
1296         test->tes_cliidx        = 0; /* just used for creating RPC */
1297         test->tes_src_grp       = src_grp;
1298         test->tes_dst_grp       = dst_grp;
1299         INIT_LIST_HEAD(&test->tes_trans_list);
1300
1301         if (param != NULL) {
1302                 test->tes_paramlen = paramlen;
1303                 memcpy(&test->tes_param[0], param, paramlen);
1304         }
1305
1306         rc = lstcon_test_nodes_add(test, result_up);
1307
1308         if (rc != 0)
1309                 goto out;
1310
1311         if (lstcon_trans_stat()->trs_rpc_errno != 0 ||
1312             lstcon_trans_stat()->trs_fwk_errno != 0)
1313                 CDEBUG(D_NET, "Failed to add test %d to batch %s\n", type, name);
1314
1315         /* add to test list anyway, so user can check what's going on */
1316         list_add_tail(&test->tes_link, &batch->bat_test_list);
1317
1318         batch->bat_ntest ++;
1319         test->tes_hdr.tsb_index = batch->bat_ntest;
1320
1321         /*  hold groups so nobody can change them */
1322         return rc;
1323 out:
1324         if (test != NULL)
1325                 LIBCFS_FREE(test, offsetof(lstcon_test_t, tes_param[paramlen]));
1326
1327         if (dst_grp != NULL)
1328                 lstcon_group_put(dst_grp);
1329
1330         if (src_grp != NULL)
1331                 lstcon_group_put(src_grp);
1332
1333         return rc;
1334 }
1335
1336 int
1337 lstcon_test_find(lstcon_batch_t *batch, int idx, lstcon_test_t **testpp)
1338 {
1339         lstcon_test_t *test;
1340
1341         list_for_each_entry(test, &batch->bat_test_list, tes_link) {
1342                 if (idx == test->tes_hdr.tsb_index) {
1343                         *testpp = test;
1344                         return 0;
1345                 }
1346         }
1347
1348         return -ENOENT;
1349 }
1350
1351 int
1352 lstcon_tsbrpc_readent(int transop, srpc_msg_t *msg,
1353                       lstcon_rpc_ent_t *ent_up)
1354 {
1355         srpc_batch_reply_t *rep = &msg->msg_body.bat_reply;
1356
1357         LASSERT (transop == LST_TRANS_TSBCLIQRY ||
1358                  transop == LST_TRANS_TSBSRVQRY);
1359
1360         /* positive errno, framework error code */
1361         if (copy_to_user(&ent_up->rpe_priv[0],
1362                              &rep->bar_active, sizeof(rep->bar_active)))
1363                 return -EFAULT;
1364
1365         return 0;
1366 }
1367
1368 int
1369 lstcon_test_batch_query(char *name, int testidx, int client,
1370                         int timeout, struct list_head *result_up)
1371 {
1372         lstcon_rpc_trans_t *trans;
1373         struct list_head         *translist;
1374         struct list_head         *ndlist;
1375         lstcon_tsb_hdr_t   *hdr;
1376         lstcon_batch_t     *batch;
1377         lstcon_test_t      *test = NULL;
1378         int              transop;
1379         int              rc;
1380
1381         rc = lstcon_batch_find(name, &batch);
1382         if (rc != 0) {
1383                 CDEBUG(D_NET, "Can't find batch: %s\n", name);
1384                 return rc;
1385         }
1386
1387         if (testidx == 0) {
1388                 translist = &batch->bat_trans_list;
1389                 ndlist    = &batch->bat_cli_list;
1390                 hdr       = &batch->bat_hdr;
1391
1392         } else {
1393                 /* query specified test only */
1394                 rc = lstcon_test_find(batch, testidx, &test);
1395                 if (rc != 0) {
1396                         CDEBUG(D_NET, "Can't find test: %d\n", testidx);
1397                         return rc;
1398                 }
1399
1400                 translist = &test->tes_trans_list;
1401                 ndlist    = &test->tes_src_grp->grp_ndl_list;
1402                 hdr       = &test->tes_hdr;
1403         }
1404
1405         transop = client ? LST_TRANS_TSBCLIQRY : LST_TRANS_TSBSRVQRY;
1406
1407         rc = lstcon_rpc_trans_ndlist(ndlist, translist, transop, hdr,
1408                                      lstcon_batrpc_condition, &trans);
1409         if (rc != 0) {
1410                 CERROR("Can't create transaction: %d\n", rc);
1411                 return rc;
1412         }
1413
1414         lstcon_rpc_trans_postwait(trans, timeout);
1415
1416         if (testidx == 0 && /* query a batch, not a test */
1417             lstcon_rpc_stat_failure(lstcon_trans_stat(), 0) == 0 &&
1418             lstcon_tsbqry_stat_run(lstcon_trans_stat(), 0) == 0) {
1419                 /* all RPCs finished, and no active test */
1420                 batch->bat_state = LST_BATCH_IDLE;
1421         }
1422
1423         rc = lstcon_rpc_trans_interpreter(trans, result_up,
1424                                           lstcon_tsbrpc_readent);
1425         lstcon_rpc_trans_destroy(trans);
1426
1427         return rc;
1428 }
1429
1430 int
1431 lstcon_statrpc_readent(int transop, srpc_msg_t *msg,
1432                        lstcon_rpc_ent_t *ent_up)
1433 {
1434         srpc_stat_reply_t *rep = &msg->msg_body.stat_reply;
1435         sfw_counters_t    *sfwk_stat;
1436         srpc_counters_t   *srpc_stat;
1437         lnet_counters_t   *lnet_stat;
1438
1439         if (rep->str_status != 0)
1440                 return 0;
1441
1442         sfwk_stat = (sfw_counters_t *)&ent_up->rpe_payload[0];
1443         srpc_stat = (srpc_counters_t *)((char *)sfwk_stat + sizeof(*sfwk_stat));
1444         lnet_stat = (lnet_counters_t *)((char *)srpc_stat + sizeof(*srpc_stat));
1445
1446         if (copy_to_user(sfwk_stat, &rep->str_fw, sizeof(*sfwk_stat)) ||
1447             copy_to_user(srpc_stat, &rep->str_rpc, sizeof(*srpc_stat)) ||
1448             copy_to_user(lnet_stat, &rep->str_lnet, sizeof(*lnet_stat)))
1449                 return -EFAULT;
1450
1451         return 0;
1452 }
1453
1454 int
1455 lstcon_ndlist_stat(struct list_head *ndlist,
1456                    int timeout, struct list_head *result_up)
1457 {
1458         struct list_head          head;
1459         lstcon_rpc_trans_t *trans;
1460         int              rc;
1461
1462         INIT_LIST_HEAD(&head);
1463
1464         rc = lstcon_rpc_trans_ndlist(ndlist, &head,
1465                                      LST_TRANS_STATQRY, NULL, NULL, &trans);
1466         if (rc != 0) {
1467                 CERROR("Can't create transaction: %d\n", rc);
1468                 return rc;
1469         }
1470
1471         lstcon_rpc_trans_postwait(trans, LST_VALIDATE_TIMEOUT(timeout));
1472
1473         rc = lstcon_rpc_trans_interpreter(trans, result_up,
1474                                           lstcon_statrpc_readent);
1475         lstcon_rpc_trans_destroy(trans);
1476
1477         return rc;
1478 }
1479
1480 int
1481 lstcon_group_stat(char *grp_name, int timeout, struct list_head *result_up)
1482 {
1483         lstcon_group_t     *grp;
1484         int              rc;
1485
1486         rc = lstcon_group_find(grp_name, &grp);
1487         if (rc != 0) {
1488                 CDEBUG(D_NET, "Can't find group %s\n", grp_name);
1489                 return rc;
1490         }
1491
1492         rc = lstcon_ndlist_stat(&grp->grp_ndl_list, timeout, result_up);
1493
1494         lstcon_group_put(grp);
1495
1496         return rc;
1497 }
1498
1499 int
1500 lstcon_nodes_stat(int count, lnet_process_id_t *ids_up,
1501                   int timeout, struct list_head *result_up)
1502 {
1503         lstcon_ndlink_t  *ndl;
1504         lstcon_group_t    *tmp;
1505         lnet_process_id_t       id;
1506         int                   i;
1507         int                   rc;
1508
1509         rc = lstcon_group_alloc(NULL, &tmp);
1510         if (rc != 0) {
1511                 CERROR("Out of memory\n");
1512                 return -ENOMEM;
1513         }
1514
1515         for (i = 0 ; i < count; i++) {
1516                 if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
1517                         rc = -EFAULT;
1518                         break;
1519                 }
1520
1521                 /* add to tmp group */
1522                 rc = lstcon_group_ndlink_find(tmp, id, &ndl, 2);
1523                 if (rc != 0) {
1524                         CDEBUG((rc == -ENOMEM) ? D_ERROR : D_NET,
1525                                "Failed to find or create %s: %d\n",
1526                                libcfs_id2str(id), rc);
1527                         break;
1528                 }
1529         }
1530
1531         if (rc != 0) {
1532                 lstcon_group_put(tmp);
1533                 return rc;
1534         }
1535
1536         rc = lstcon_ndlist_stat(&tmp->grp_ndl_list, timeout, result_up);
1537
1538         lstcon_group_put(tmp);
1539
1540         return rc;
1541 }
1542
1543 int
1544 lstcon_debug_ndlist(struct list_head *ndlist,
1545                     struct list_head *translist,
1546                     int timeout, struct list_head *result_up)
1547 {
1548         lstcon_rpc_trans_t *trans;
1549         int              rc;
1550
1551         rc = lstcon_rpc_trans_ndlist(ndlist, translist, LST_TRANS_SESQRY,
1552                                      NULL, lstcon_sesrpc_condition, &trans);
1553         if (rc != 0) {
1554                 CERROR("Can't create transaction: %d\n", rc);
1555                 return rc;
1556         }
1557
1558         lstcon_rpc_trans_postwait(trans, LST_VALIDATE_TIMEOUT(timeout));
1559
1560         rc = lstcon_rpc_trans_interpreter(trans, result_up,
1561                                           lstcon_sesrpc_readent);
1562         lstcon_rpc_trans_destroy(trans);
1563
1564         return rc;
1565 }
1566
1567 int
1568 lstcon_session_debug(int timeout, struct list_head *result_up)
1569 {
1570         return lstcon_debug_ndlist(&console_session.ses_ndl_list,
1571                                    NULL, timeout, result_up);
1572 }
1573
1574 int
1575 lstcon_batch_debug(int timeout, char *name,
1576                    int client, struct list_head *result_up)
1577 {
1578         lstcon_batch_t *bat;
1579         int          rc;
1580
1581         rc = lstcon_batch_find(name, &bat);
1582         if (rc != 0)
1583                 return -ENOENT;
1584
1585         rc = lstcon_debug_ndlist(client ? &bat->bat_cli_list :
1586                                           &bat->bat_srv_list,
1587                                  NULL, timeout, result_up);
1588
1589         return rc;
1590 }
1591
1592 int
1593 lstcon_group_debug(int timeout, char *name,
1594                    struct list_head *result_up)
1595 {
1596         lstcon_group_t *grp;
1597         int          rc;
1598
1599         rc = lstcon_group_find(name, &grp);
1600         if (rc != 0)
1601                 return -ENOENT;
1602
1603         rc = lstcon_debug_ndlist(&grp->grp_ndl_list, NULL,
1604                                  timeout, result_up);
1605         lstcon_group_put(grp);
1606
1607         return rc;
1608 }
1609
1610 int
1611 lstcon_nodes_debug(int timeout,
1612                    int count, lnet_process_id_t *ids_up,
1613                    struct list_head *result_up)
1614 {
1615         lnet_process_id_t  id;
1616         lstcon_ndlink_t   *ndl;
1617         lstcon_group_t    *grp;
1618         int             i;
1619         int             rc;
1620
1621         rc = lstcon_group_alloc(NULL, &grp);
1622         if (rc != 0) {
1623                 CDEBUG(D_NET, "Out of memory\n");
1624                 return rc;
1625         }
1626
1627         for (i = 0; i < count; i++) {
1628                 if (copy_from_user(&id, &ids_up[i], sizeof(id))) {
1629                         rc = -EFAULT;
1630                         break;
1631                 }
1632
1633                 /* node is added to tmp group */
1634                 rc = lstcon_group_ndlink_find(grp, id, &ndl, 1);
1635                 if (rc != 0) {
1636                         CERROR("Can't create node link\n");
1637                         break;
1638                 }
1639         }
1640
1641         if (rc != 0) {
1642                 lstcon_group_put(grp);
1643                 return rc;
1644         }
1645
1646         rc = lstcon_debug_ndlist(&grp->grp_ndl_list, NULL,
1647                                  timeout, result_up);
1648
1649         lstcon_group_put(grp);
1650
1651         return rc;
1652 }
1653
1654 int
1655 lstcon_session_match(lst_sid_t sid)
1656 {
1657         return (console_session.ses_id.ses_nid   == sid.ses_nid &&
1658                 console_session.ses_id.ses_stamp == sid.ses_stamp) ?  1: 0;
1659 }
1660
1661 static void
1662 lstcon_new_session_id(lst_sid_t *sid)
1663 {
1664         lnet_process_id_t      id;
1665
1666         LASSERT (console_session.ses_state == LST_SESSION_NONE);
1667
1668         LNetGetId(1, &id);
1669         sid->ses_nid   = id.nid;
1670         sid->ses_stamp = cfs_time_current();
1671 }
1672
1673 extern srpc_service_t lstcon_acceptor_service;
1674
1675 int
1676 lstcon_session_new(char *name, int key, unsigned feats,
1677                    int timeout, int force, lst_sid_t *sid_up)
1678 {
1679         int     rc = 0;
1680         int     i;
1681
1682         if (console_session.ses_state != LST_SESSION_NONE) {
1683                 /* session exists */
1684                 if (!force) {
1685                         CNETERR("Session %s already exists\n",
1686                                 console_session.ses_name);
1687                         return -EEXIST;
1688                 }
1689
1690                 rc = lstcon_session_end();
1691
1692                 /* lstcon_session_end() only return local error */
1693                 if  (rc != 0)
1694                         return rc;
1695         }
1696
1697         if ((feats & ~LST_FEATS_MASK) != 0) {
1698                 CNETERR("Unknown session features %x\n",
1699                         (feats & ~LST_FEATS_MASK));
1700                 return -EINVAL;
1701         }
1702
1703         for (i = 0; i < LST_GLOBAL_HASHSIZE; i++)
1704                 LASSERT(list_empty(&console_session.ses_ndl_hash[i]));
1705
1706         lstcon_new_session_id(&console_session.ses_id);
1707
1708         console_session.ses_key     = key;
1709         console_session.ses_state   = LST_SESSION_ACTIVE;
1710         console_session.ses_force   = !!force;
1711         console_session.ses_features = feats;
1712         console_session.ses_feats_updated = 0;
1713         console_session.ses_timeout = (timeout <= 0) ?
1714                                       LST_CONSOLE_TIMEOUT : timeout;
1715         strcpy(console_session.ses_name, name);
1716
1717         rc = lstcon_batch_add(LST_DEFAULT_BATCH);
1718         if (rc != 0)
1719                 return rc;
1720
1721         rc = lstcon_rpc_pinger_start();
1722         if (rc != 0) {
1723                 lstcon_batch_t *bat = NULL;
1724
1725                 lstcon_batch_find(LST_DEFAULT_BATCH, &bat);
1726                 lstcon_batch_destroy(bat);
1727
1728                 return rc;
1729         }
1730
1731         if (copy_to_user(sid_up, &console_session.ses_id,
1732                              sizeof(lst_sid_t)) == 0)
1733                 return rc;
1734
1735         lstcon_session_end();
1736
1737         return -EFAULT;
1738 }
1739
1740 int
1741 lstcon_session_info(lst_sid_t *sid_up, int *key_up, unsigned *featp,
1742                     lstcon_ndlist_ent_t *ndinfo_up, char *name_up, int len)
1743 {
1744         lstcon_ndlist_ent_t *entp;
1745         lstcon_ndlink_t     *ndl;
1746         int               rc = 0;
1747
1748         if (console_session.ses_state != LST_SESSION_ACTIVE)
1749                 return -ESRCH;
1750
1751         LIBCFS_ALLOC(entp, sizeof(*entp));
1752         if (entp == NULL)
1753                 return -ENOMEM;
1754
1755         memset(entp, 0, sizeof(*entp));
1756
1757         list_for_each_entry(ndl, &console_session.ses_ndl_list, ndl_link)
1758                 LST_NODE_STATE_COUNTER(ndl->ndl_node, entp);
1759
1760         if (copy_to_user(sid_up, &console_session.ses_id,
1761                              sizeof(lst_sid_t)) ||
1762             copy_to_user(key_up, &console_session.ses_key,
1763                              sizeof(*key_up)) ||
1764             copy_to_user(featp, &console_session.ses_features,
1765                              sizeof(*featp)) ||
1766             copy_to_user(ndinfo_up, entp, sizeof(*entp)) ||
1767             copy_to_user(name_up, console_session.ses_name, len))
1768                 rc = -EFAULT;
1769
1770         LIBCFS_FREE(entp, sizeof(*entp));
1771
1772         return rc;
1773 }
1774
1775 int
1776 lstcon_session_end(void)
1777 {
1778         lstcon_rpc_trans_t *trans;
1779         lstcon_group_t     *grp;
1780         lstcon_batch_t     *bat;
1781         int              rc = 0;
1782
1783         LASSERT (console_session.ses_state == LST_SESSION_ACTIVE);
1784
1785         rc = lstcon_rpc_trans_ndlist(&console_session.ses_ndl_list,
1786                                      NULL, LST_TRANS_SESEND, NULL,
1787                                      lstcon_sesrpc_condition, &trans);
1788         if (rc != 0) {
1789                 CERROR("Can't create transaction: %d\n", rc);
1790                 return rc;
1791         }
1792
1793         console_session.ses_shutdown = 1;
1794
1795         lstcon_rpc_pinger_stop();
1796
1797         lstcon_rpc_trans_postwait(trans, LST_TRANS_TIMEOUT);
1798
1799         lstcon_rpc_trans_destroy(trans);
1800         /* User can do nothing even rpc failed, so go on */
1801
1802         /* waiting for orphan rpcs to die */
1803         lstcon_rpc_cleanup_wait();
1804
1805         console_session.ses_id    = LST_INVALID_SID;
1806         console_session.ses_state = LST_SESSION_NONE;
1807         console_session.ses_key   = 0;
1808         console_session.ses_force = 0;
1809         console_session.ses_feats_updated = 0;
1810
1811         /* destroy all batches */
1812         while (!list_empty(&console_session.ses_bat_list)) {
1813                 bat = list_entry(console_session.ses_bat_list.next,
1814                                      lstcon_batch_t, bat_link);
1815
1816                 lstcon_batch_destroy(bat);
1817         }
1818
1819         /* destroy all groups */
1820         while (!list_empty(&console_session.ses_grp_list)) {
1821                 grp = list_entry(console_session.ses_grp_list.next,
1822                                      lstcon_group_t, grp_link);
1823                 LASSERT (grp->grp_ref == 1);
1824
1825                 lstcon_group_put(grp);
1826         }
1827
1828         /* all nodes should be released */
1829         LASSERT (list_empty(&console_session.ses_ndl_list));
1830
1831         console_session.ses_shutdown = 0;
1832         console_session.ses_expired  = 0;
1833
1834         return rc;
1835 }
1836
1837 int
1838 lstcon_session_feats_check(unsigned feats)
1839 {
1840         int rc = 0;
1841
1842         if ((feats & ~LST_FEATS_MASK) != 0) {
1843                 CERROR("Can't support these features: %x\n",
1844                        (feats & ~LST_FEATS_MASK));
1845                 return -EPROTO;
1846         }
1847
1848         spin_lock(&console_session.ses_rpc_lock);
1849
1850         if (!console_session.ses_feats_updated) {
1851                 console_session.ses_feats_updated = 1;
1852                 console_session.ses_features = feats;
1853         }
1854
1855         if (console_session.ses_features != feats)
1856                 rc = -EPROTO;
1857
1858         spin_unlock(&console_session.ses_rpc_lock);
1859
1860         if (rc != 0) {
1861                 CERROR("remote features %x do not match with "
1862                        "session features %x of console\n",
1863                        feats, console_session.ses_features);
1864         }
1865
1866         return rc;
1867 }
1868
1869 static int
1870 lstcon_acceptor_handle (srpc_server_rpc_t *rpc)
1871 {
1872         srpc_msg_t      *rep  = &rpc->srpc_replymsg;
1873         srpc_msg_t      *req  = &rpc->srpc_reqstbuf->buf_msg;
1874         srpc_join_reqst_t *jreq = &req->msg_body.join_reqst;
1875         srpc_join_reply_t *jrep = &rep->msg_body.join_reply;
1876         lstcon_group_t    *grp  = NULL;
1877         lstcon_ndlink_t   *ndl;
1878         int             rc   = 0;
1879
1880         sfw_unpack_message(req);
1881
1882         mutex_lock(&console_session.ses_mutex);
1883
1884         jrep->join_sid = console_session.ses_id;
1885
1886         if (console_session.ses_id.ses_nid == LNET_NID_ANY) {
1887                 jrep->join_status = ESRCH;
1888                 goto out;
1889         }
1890
1891         if (lstcon_session_feats_check(req->msg_ses_feats) != 0) {
1892                 jrep->join_status = EPROTO;
1893                 goto out;
1894         }
1895
1896         if (jreq->join_sid.ses_nid != LNET_NID_ANY &&
1897              !lstcon_session_match(jreq->join_sid)) {
1898                 jrep->join_status = EBUSY;
1899                 goto out;
1900         }
1901
1902         if (lstcon_group_find(jreq->join_group, &grp) != 0) {
1903                 rc = lstcon_group_alloc(jreq->join_group, &grp);
1904                 if (rc != 0) {
1905                         CERROR("Out of memory\n");
1906                         goto out;
1907                 }
1908
1909                 list_add_tail(&grp->grp_link,
1910                                   &console_session.ses_grp_list);
1911                 lstcon_group_addref(grp);
1912         }
1913
1914         if (grp->grp_ref > 2) {
1915                 /* Group in using */
1916                 jrep->join_status = EBUSY;
1917                 goto out;
1918         }
1919
1920         rc = lstcon_group_ndlink_find(grp, rpc->srpc_peer, &ndl, 0);
1921         if (rc == 0) {
1922                 jrep->join_status = EEXIST;
1923                 goto out;
1924         }
1925
1926         rc = lstcon_group_ndlink_find(grp, rpc->srpc_peer, &ndl, 1);
1927         if (rc != 0) {
1928                 CERROR("Out of memory\n");
1929                 goto out;
1930         }
1931
1932         ndl->ndl_node->nd_state   = LST_NODE_ACTIVE;
1933         ndl->ndl_node->nd_timeout = console_session.ses_timeout;
1934
1935         if (grp->grp_userland == 0)
1936                 grp->grp_userland = 1;
1937
1938         strcpy(jrep->join_session, console_session.ses_name);
1939         jrep->join_timeout = console_session.ses_timeout;
1940         jrep->join_status  = 0;
1941
1942 out:
1943         rep->msg_ses_feats = console_session.ses_features;
1944         if (grp != NULL)
1945                 lstcon_group_put(grp);
1946
1947         mutex_unlock(&console_session.ses_mutex);
1948
1949         return rc;
1950 }
1951
1952 srpc_service_t lstcon_acceptor_service;
1953 void lstcon_init_acceptor_service(void)
1954 {
1955         /* initialize selftest console acceptor service table */
1956         lstcon_acceptor_service.sv_name    = "join session";
1957         lstcon_acceptor_service.sv_handler = lstcon_acceptor_handle;
1958         lstcon_acceptor_service.sv_id      = SRPC_SERVICE_JOIN;
1959         lstcon_acceptor_service.sv_wi_total = SFW_FRWK_WI_MAX;
1960 }
1961
1962 extern int lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_data *data);
1963
1964 DECLARE_IOCTL_HANDLER(lstcon_ioctl_handler, lstcon_ioctl_entry);
1965
1966 /* initialize console */
1967 int
1968 lstcon_console_init(void)
1969 {
1970         int     i;
1971         int     rc;
1972
1973         memset(&console_session, 0, sizeof(lstcon_session_t));
1974
1975         console_session.ses_id              = LST_INVALID_SID;
1976         console_session.ses_state           = LST_SESSION_NONE;
1977         console_session.ses_timeout         = 0;
1978         console_session.ses_force           = 0;
1979         console_session.ses_expired         = 0;
1980         console_session.ses_feats_updated   = 0;
1981         console_session.ses_features        = LST_FEATS_MASK;
1982         console_session.ses_laststamp       = cfs_time_current_sec();
1983
1984         mutex_init(&console_session.ses_mutex);
1985
1986         INIT_LIST_HEAD(&console_session.ses_ndl_list);
1987         INIT_LIST_HEAD(&console_session.ses_grp_list);
1988         INIT_LIST_HEAD(&console_session.ses_bat_list);
1989         INIT_LIST_HEAD(&console_session.ses_trans_list);
1990
1991         LIBCFS_ALLOC(console_session.ses_ndl_hash,
1992                      sizeof(struct list_head) * LST_GLOBAL_HASHSIZE);
1993         if (console_session.ses_ndl_hash == NULL)
1994                 return -ENOMEM;
1995
1996         for (i = 0; i < LST_GLOBAL_HASHSIZE; i++)
1997                 INIT_LIST_HEAD(&console_session.ses_ndl_hash[i]);
1998
1999
2000         /* initialize acceptor service table */
2001         lstcon_init_acceptor_service();
2002
2003         rc = srpc_add_service(&lstcon_acceptor_service);
2004         LASSERT (rc != -EBUSY);
2005         if (rc != 0) {
2006                 LIBCFS_FREE(console_session.ses_ndl_hash,
2007                             sizeof(struct list_head) * LST_GLOBAL_HASHSIZE);
2008                 return rc;
2009         }
2010
2011         rc = srpc_service_add_buffers(&lstcon_acceptor_service,
2012                                       lstcon_acceptor_service.sv_wi_total);
2013         if (rc != 0) {
2014                 rc = -ENOMEM;
2015                 goto out;
2016         }
2017
2018         rc = libcfs_register_ioctl(&lstcon_ioctl_handler);
2019
2020         if (rc == 0) {
2021                 lstcon_rpc_module_init();
2022                 return 0;
2023         }
2024
2025 out:
2026         srpc_shutdown_service(&lstcon_acceptor_service);
2027         srpc_remove_service(&lstcon_acceptor_service);
2028
2029         LIBCFS_FREE(console_session.ses_ndl_hash,
2030                     sizeof(struct list_head) * LST_GLOBAL_HASHSIZE);
2031
2032         srpc_wait_service_shutdown(&lstcon_acceptor_service);
2033
2034         return rc;
2035 }
2036
2037 int
2038 lstcon_console_fini(void)
2039 {
2040         int     i;
2041
2042         libcfs_deregister_ioctl(&lstcon_ioctl_handler);
2043
2044         mutex_lock(&console_session.ses_mutex);
2045
2046         srpc_shutdown_service(&lstcon_acceptor_service);
2047         srpc_remove_service(&lstcon_acceptor_service);
2048
2049         if (console_session.ses_state != LST_SESSION_NONE)
2050                 lstcon_session_end();
2051
2052         lstcon_rpc_module_fini();
2053
2054         mutex_unlock(&console_session.ses_mutex);
2055
2056         LASSERT (list_empty(&console_session.ses_ndl_list));
2057         LASSERT (list_empty(&console_session.ses_grp_list));
2058         LASSERT (list_empty(&console_session.ses_bat_list));
2059         LASSERT (list_empty(&console_session.ses_trans_list));
2060
2061         for (i = 0; i < LST_NODE_HASHSIZE; i++) {
2062                 LASSERT (list_empty(&console_session.ses_ndl_hash[i]));
2063         }
2064
2065         LIBCFS_FREE(console_session.ses_ndl_hash,
2066                     sizeof(struct list_head) * LST_GLOBAL_HASHSIZE);
2067
2068         srpc_wait_service_shutdown(&lstcon_acceptor_service);
2069
2070         return 0;
2071 }