lnet/libcfs/module.c

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  *
   4  * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
   5  *
   6  *   This file is part of Lustre, http://www.lustre.org.
   7  *
   8  *   Lustre is free software; you can redistribute it and/or
   9  *   modify it under the terms of version 2 of the GNU General Public
  10  *   License as published by the Free Software Foundation.
  11  *
  12  *   Lustre is distributed in the hope that it will be useful,
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *   GNU General Public License for more details.
  16  *
  17  *   You should have received a copy of the GNU General Public License
  18  *   along with Lustre; if not, write to the Free Software
  19  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 #ifndef EXPORT_SYMTAB
  23 # define EXPORT_SYMTAB
  24 #endif
  25 #define DEBUG_SUBSYSTEM S_PORTALS
  26
  27 #include <linux/config.h>
  28 #include <linux/module.h>
  29 #include <linux/kernel.h>
  30 #include <linux/mm.h>
  31 #include <linux/string.h>
  32 #include <linux/stat.h>
  33 #include <linux/init.h>
  34 #include <linux/errno.h>
  35 #include <linux/smp_lock.h>
  36 #include <linux/unistd.h>
  37
  38 #include <asm/system.h>
  39 #include <asm/uaccess.h>
  40
  41 #include <linux/fs.h>
  42 #include <linux/stat.h>
  43 #include <asm/uaccess.h>
  44 #include <asm/segment.h>
  45 #include <linux/miscdevice.h>
  46
  47 #include <portals/lib-p30.h>
  48 #include <portals/p30.h>
  49 #include <linux/kp30.h>
  50 #include <linux/portals_compat25.h>
  51
  52 #define PORTAL_MINOR 240
  53
  54 extern void (kping_client)(struct portal_ioctl_data *);
  55
  56 struct nal_cmd_handler {
  57         nal_cmd_handler_t nch_handler;
  58         void * nch_private;
  59 };
  60
  61 static struct nal_cmd_handler nal_cmd[NAL_MAX_NR + 1];
  62 struct semaphore nal_cmd_sem;
  63
  64 #ifdef PORTAL_DEBUG
  65 void kportal_assertion_failed(char *expr, char *file, const char *func,
  66                               const int line)
  67 {
  68         portals_debug_msg(0, D_EMERG, file, func, line, CDEBUG_STACK,
  69                           "ASSERTION(%s) failed\n", expr);
  70         LBUG_WITH_LOC(file, func, line);
  71 }
  72 #endif
  73
  74 void
  75 kportal_daemonize (char *str)
  76 {
  77 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,63))
  78         daemonize(str);
  79 #else
  80         daemonize();
  81         snprintf (current->comm, sizeof (current->comm), "%s", str);
  82 #endif
  83 }
  84
  85 void
  86 kportal_blockallsigs ()
  87 {
  88         unsigned long  flags;
  89
  90         SIGNAL_MASK_LOCK(current, flags);
  91         sigfillset(&current->blocked);
  92         RECALC_SIGPENDING;
  93         SIGNAL_MASK_UNLOCK(current, flags);
  94 }
  95
  96 /* called when opening /dev/device */
  97 static int kportal_psdev_open(struct inode * inode, struct file * file)
  98 {
  99         ENTRY;
 100
 101         if (!inode)
 102                 RETURN(-EINVAL);
 103         PORTAL_MODULE_USE;
 104         RETURN(0);
 105 }
 106
 107 /* called when closing /dev/device */
 108 static int kportal_psdev_release(struct inode * inode, struct file * file)
 109 {
 110         ENTRY;
 111
 112         if (!inode)
 113                 RETURN(-EINVAL);
 114
 115         PORTAL_MODULE_UNUSE;
 116         RETURN(0);
 117 }
 118
 119 static inline void freedata(void *data, int len)
 120 {
 121         PORTAL_FREE(data, len);
 122 }
 123
 124 static int
 125 kportal_add_route(int gateway_nalid, ptl_nid_t gateway_nid,
 126                   ptl_nid_t lo_nid, ptl_nid_t hi_nid)
 127 {
 128         int rc;
 129         kpr_control_interface_t *ci;
 130
 131         ci = (kpr_control_interface_t *) PORTAL_SYMBOL_GET (kpr_control_interface);
 132         if (ci == NULL)
 133                 return (-ENODEV);
 134
 135         rc = ci->kprci_add_route (gateway_nalid, gateway_nid, lo_nid, hi_nid);
 136
 137         PORTAL_SYMBOL_PUT(kpr_control_interface);
 138         return (rc);
 139 }
 140
 141 static int
 142 kportal_del_route(int gw_nalid, ptl_nid_t gw_nid,
 143                   ptl_nid_t lo, ptl_nid_t hi)
 144 {
 145         int rc;
 146         kpr_control_interface_t *ci;
 147
 148         ci = (kpr_control_interface_t *)PORTAL_SYMBOL_GET(kpr_control_interface);
 149         if (ci == NULL)
 150                 return (-ENODEV);
 151
 152         rc = ci->kprci_del_route (gw_nalid, gw_nid, lo, hi);
 153
 154         PORTAL_SYMBOL_PUT(kpr_control_interface);
 155         return (rc);
 156 }
 157
 158 static int
 159 kportal_notify_router (int gw_nalid, ptl_nid_t gw_nid,
 160                        int alive, time_t when)
 161 {
 162         int rc;
 163         kpr_control_interface_t *ci;
 164
 165         /* No error if router not preset.  Sysadmin is allowed to notify
 166          * _everywhere_ when a NID boots or crashes, even if they know
 167          * nothing of the peer. */
 168         ci = (kpr_control_interface_t *)PORTAL_SYMBOL_GET(kpr_control_interface);
 169         if (ci == NULL)
 170                 return (0);
 171
 172         rc = ci->kprci_notify (gw_nalid, gw_nid, alive, when);
 173
 174         PORTAL_SYMBOL_PUT(kpr_control_interface);
 175         return (rc);
 176 }
 177
 178 static int
 179 kportal_get_route(int index, __u32 *gateway_nalidp, ptl_nid_t *gateway_nidp,
 180                   ptl_nid_t *lo_nidp, ptl_nid_t *hi_nidp, int *alivep)
 181 {
 182         int       gateway_nalid;
 183         ptl_nid_t gateway_nid;
 184         ptl_nid_t lo_nid;
 185         ptl_nid_t hi_nid;
 186         int       alive;
 187         int       rc;
 188         kpr_control_interface_t *ci;
 189
 190         ci = (kpr_control_interface_t *) PORTAL_SYMBOL_GET(kpr_control_interface);
 191         if (ci == NULL)
 192                 return (-ENODEV);
 193
 194         rc = ci->kprci_get_route(index, &gateway_nalid, &gateway_nid,
 195                                  &lo_nid, &hi_nid, &alive);
 196
 197         if (rc == 0) {
 198                 CDEBUG(D_IOCTL, "got route [%d] %d "LPX64":"LPX64" - "LPX64", %s\n",
 199                        index, gateway_nalid, gateway_nid, lo_nid, hi_nid,
 200                        alive ? "up" : "down");
 201
 202                 *gateway_nalidp = (__u32)gateway_nalid;
 203                 *gateway_nidp   = gateway_nid;
 204                 *lo_nidp        = lo_nid;
 205                 *hi_nidp        = hi_nid;
 206                 *alivep         = alive;
 207         }
 208
 209         PORTAL_SYMBOL_PUT (kpr_control_interface);
 210         return (rc);
 211 }
 212
 213 static int
 214 kportal_nal_cmd(int nal, struct portal_ioctl_data *data)
 215 {
 216         int rc = -EINVAL;
 217
 218         ENTRY;
 219
 220         down(&nal_cmd_sem);
 221         if (nal > 0 && nal <= NAL_MAX_NR && nal_cmd[nal].nch_handler) {
 222                 CDEBUG(D_IOCTL, "calling handler nal: %d, cmd: %d\n", nal, data->ioc_nal_cmd);
 223                 rc = nal_cmd[nal].nch_handler(data, nal_cmd[nal].nch_private);
 224         }
 225         up(&nal_cmd_sem);
 226         RETURN(rc);
 227 }
 228
 229 ptl_handle_ni_t *
 230 kportal_get_ni (int nal)
 231 {
 232
 233         switch (nal)
 234         {
 235         case QSWNAL:
 236                 return (PORTAL_SYMBOL_GET(kqswnal_ni));
 237         case SOCKNAL:
 238                 return (PORTAL_SYMBOL_GET(ksocknal_ni));
 239         case TOENAL:
 240                 return  (PORTAL_SYMBOL_GET(ktoenal_ni));
 241         case GMNAL:
 242                 return  (PORTAL_SYMBOL_GET(kgmnal_ni));
 243         case TCPNAL:
 244                 /* userspace NAL */
 245                 return (NULL);
 246         case SCIMACNAL:
 247                 return  (PORTAL_SYMBOL_GET(kscimacnal_ni));
 248         default:
 249                 /* A warning to a naive caller */
 250                 CERROR ("unknown nal: %d\n", nal);
 251                 return (NULL);
 252         }
 253 }
 254
 255 void
 256 kportal_put_ni (int nal)
 257 {
 258
 259         switch (nal)
 260         {
 261         case QSWNAL:
 262                 PORTAL_SYMBOL_PUT(kqswnal_ni);
 263                 break;
 264         case SOCKNAL:
 265                 PORTAL_SYMBOL_PUT(ksocknal_ni);
 266                 break;
 267         case TOENAL:
 268                 PORTAL_SYMBOL_PUT(ktoenal_ni);
 269                 break;
 270         case GMNAL:
 271                 PORTAL_SYMBOL_PUT(kgmnal_ni);
 272                 break;
 273         case TCPNAL:
 274                 /* A lesson to a malicious caller */
 275                 LBUG ();
 276         case SCIMACNAL:
 277                 PORTAL_SYMBOL_PUT(kscimacnal_ni);
 278                 break;
 279         default:
 280                 CERROR ("unknown nal: %d\n", nal);
 281         }
 282 }
 283
 284 int
 285 kportal_nal_register(int nal, nal_cmd_handler_t handler, void * private)
 286 {
 287         int rc = 0;
 288
 289         CDEBUG(D_IOCTL, "Register NAL %d, handler: %p\n", nal, handler);
 290
 291         if (nal > 0  && nal <= NAL_MAX_NR) {
 292                 down(&nal_cmd_sem);
 293                 if (nal_cmd[nal].nch_handler != NULL)
 294                         rc = -EBUSY;
 295                 else {
 296                         nal_cmd[nal].nch_handler = handler;
 297                         nal_cmd[nal].nch_private = private;
 298                 }
 299                 up(&nal_cmd_sem);
 300         }
 301         return rc;
 302 }
 303
 304 int
 305 kportal_nal_unregister(int nal)
 306 {
 307         int rc = 0;
 308
 309         CDEBUG(D_IOCTL, "Unregister NAL %d\n", nal);
 310
 311         if (nal > 0  && nal <= NAL_MAX_NR) {
 312                 down(&nal_cmd_sem);
 313                 nal_cmd[nal].nch_handler = NULL;
 314                 nal_cmd[nal].nch_private = NULL;
 315                 up(&nal_cmd_sem);
 316         }
 317         return rc;
 318 }
 319
 320
 321 static int kportal_ioctl(struct inode *inode, struct file *file,
 322                          unsigned int cmd, unsigned long arg)
 323 {
 324         int err = 0;
 325         char buf[1024];
 326         struct portal_ioctl_data *data;
 327
 328         ENTRY;
 329
 330         if ( _IOC_TYPE(cmd) != IOC_PORTAL_TYPE ||
 331              _IOC_NR(cmd) < IOC_PORTAL_MIN_NR  ||
 332              _IOC_NR(cmd) > IOC_PORTAL_MAX_NR ) {
 333                 CDEBUG(D_IOCTL, "invalid ioctl ( type %d, nr %d, size %d )\n",
 334                                 _IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd));
 335                 RETURN(-EINVAL);
 336         }
 337
 338         if (portal_ioctl_getdata(buf, buf + 800, (void *)arg)) {
 339                 CERROR("PORTALS ioctl: data error\n");
 340                 RETURN(-EINVAL);
 341         }
 342
 343         data = (struct portal_ioctl_data *)buf;
 344
 345         switch (cmd) {
 346         case IOC_PORTAL_SET_DAEMON:
 347                 RETURN (portals_debug_set_daemon (
 348                                         (unsigned int) data->ioc_count,
 349                                         (unsigned int) data->ioc_inllen1,
 350                                         (char *) data->ioc_inlbuf1,
 351                                         (unsigned int) data->ioc_misc));
 352         case IOC_PORTAL_GET_DEBUG: {
 353                 __s32 size = portals_debug_copy_to_user(data->ioc_pbuf1,
 354                                                         data->ioc_plen1);
 355
 356                 if (size < 0)
 357                         RETURN(size);
 358
 359                 data->ioc_size = size;
 360                 err = copy_to_user((char *)arg, data, sizeof(*data));
 361                 RETURN(err);
 362         }
 363         case IOC_PORTAL_CLEAR_DEBUG:
 364                 portals_debug_clear_buffer();
 365                 RETURN(0);
 366         case IOC_PORTAL_PANIC:
 367                 if (!capable (CAP_SYS_BOOT))
 368                         RETURN (-EPERM);
 369                 panic("debugctl-invoked panic");
 370                 RETURN(0);
 371         case IOC_PORTAL_MARK_DEBUG:
 372                 if (data->ioc_inlbuf1 == NULL ||
 373                     data->ioc_inlbuf1[data->ioc_inllen1 - 1] != '\0')
 374                         RETURN(-EINVAL);
 375                 portals_debug_mark_buffer(data->ioc_inlbuf1);
 376                 RETURN(0);
 377         case IOC_PORTAL_PING: {
 378                 void (*ping)(struct portal_ioctl_data *);
 379
 380                 CDEBUG(D_IOCTL, "doing %d pings to nid "LPU64"\n",
 381                        data->ioc_count, data->ioc_nid);
 382                 ping = PORTAL_SYMBOL_GET(kping_client);
 383                 if (!ping)
 384                         CERROR("PORTAL_SYMBOL_GET failed\n");
 385                 else {
 386                         ping(data);
 387                         PORTAL_SYMBOL_PUT(kping_client);
 388                 }
 389                 RETURN(0);
 390         }
 391
 392         case IOC_PORTAL_ADD_ROUTE:
 393                 CDEBUG(D_IOCTL, "Adding route: [%d] "LPU64" : "LPU64" - "LPU64"\n",
 394                        data->ioc_nal, data->ioc_nid,
 395                        data->ioc_nid2, data->ioc_nid3);
 396                 err = kportal_add_route(data->ioc_nal, data->ioc_nid,
 397                                         data->ioc_nid2, data->ioc_nid3);
 398                 break;
 399
 400         case IOC_PORTAL_DEL_ROUTE:
 401                 CDEBUG (D_IOCTL, "Removing routes via [%d] "LPU64" : "LPU64" - "LPU64"\n",
 402                         data->ioc_nal, data->ioc_nid,
 403                         data->ioc_nid2, data->ioc_nid3);
 404                 err = kportal_del_route (data->ioc_nal, data->ioc_nid,
 405                                          data->ioc_nid2, data->ioc_nid3);
 406                 break;
 407
 408         case IOC_PORTAL_NOTIFY_ROUTER: {
 409                 CDEBUG (D_IOCTL, "Notifying peer [%d] "LPU64" %s @ %ld\n",
 410                         data->ioc_nal, data->ioc_nid,
 411                         data->ioc_flags ? "Enabling" : "Disabling",
 412                         (time_t)data->ioc_nid3);
 413
 414                 err = kportal_notify_router (data->ioc_nal, data->ioc_nid,
 415                                              data->ioc_flags,
 416                                              (time_t)data->ioc_nid3);
 417                 break;
 418         }
 419
 420         case IOC_PORTAL_GET_ROUTE:
 421                 CDEBUG (D_IOCTL, "Getting route [%d]\n", data->ioc_count);
 422                 err = kportal_get_route(data->ioc_count, &data->ioc_nal,
 423                                         &data->ioc_nid,
 424                                         &data->ioc_nid2, &data->ioc_nid3,
 425                                         &data->ioc_flags);
 426                 if (err == 0)
 427                         if (copy_to_user((char *)arg, data, sizeof (*data)))
 428                                 err = -EFAULT;
 429                 break;
 430
 431         case IOC_PORTAL_GET_NID: {
 432                 const ptl_handle_ni_t *nip;
 433                 ptl_process_id_t       pid;
 434
 435                 CDEBUG (D_IOCTL, "Getting nid [%d]\n", data->ioc_nal);
 436
 437                 nip = kportal_get_ni (data->ioc_nal);
 438                 if (nip == NULL)
 439                         RETURN (-EINVAL);
 440
 441                 err = PtlGetId (*nip, &pid);
 442                 LASSERT (err == PTL_OK);
 443                 kportal_put_ni (data->ioc_nal);
 444
 445                 data->ioc_nid = pid.nid;
 446                 if (copy_to_user ((char *)arg, data, sizeof (*data)))
 447                         err = -EFAULT;
 448                 break;
 449         }
 450
 451         case IOC_PORTAL_NAL_CMD:
 452                 CDEBUG (D_IOCTL, "nal command nal %d cmd %d\n", data->ioc_nal,
 453                         data->ioc_nal_cmd);
 454                 err = kportal_nal_cmd(data->ioc_nal, data);
 455                 if (err == 0)
 456                         if (copy_to_user((char *)arg, data, sizeof (*data)))
 457                                 err = -EFAULT;
 458                 break;
 459
 460         case IOC_PORTAL_FAIL_NID: {
 461                 const ptl_handle_ni_t *nip;
 462
 463                 CDEBUG (D_IOCTL, "fail nid: [%d] "LPU64" count %d\n",
 464                         data->ioc_nal, data->ioc_nid, data->ioc_count);
 465
 466                 nip = kportal_get_ni (data->ioc_nal);
 467                 if (nip == NULL)
 468                         return (-EINVAL);
 469
 470                 err = PtlFailNid (*nip, data->ioc_nid, data->ioc_count);
 471                 kportal_put_ni (data->ioc_nal);
 472                 break;
 473         }
 474 #if LWT_SUPPORT
 475         case IOC_PORTAL_LWT_CONTROL:
 476                 err = lwt_control (data->ioc_flags, data->ioc_misc);
 477                 break;
 478
 479         case IOC_PORTAL_LWT_SNAPSHOT:
 480                 err = lwt_snapshot (&data->ioc_count, &data->ioc_misc,
 481                                     data->ioc_pbuf1, data->ioc_plen1);
 482                 if (err == 0 &&
 483                     copy_to_user((char *)arg, data, sizeof (*data)))
 484                         err = -EFAULT;
 485                 break;
 486
 487         case IOC_PORTAL_LWT_LOOKUP_STRING:
 488                 err = lwt_lookup_string (&data->ioc_count, data->ioc_pbuf1,
 489                                          data->ioc_pbuf2, data->ioc_plen2);
 490                 if (err == 0 &&
 491                     copy_to_user((char *)arg, data, sizeof (*data)))
 492                         err = -EFAULT;
 493                 break;
 494 #endif
 495         default:
 496                 err = -EINVAL;
 497                 break;
 498         }
 499
 500         RETURN(err);
 501 }
 502
 503
 504 static struct file_operations portalsdev_fops = {
 505         ioctl:   kportal_ioctl,
 506         open:    kportal_psdev_open,
 507         release: kportal_psdev_release
 508 };
 509
 510
 511 static struct miscdevice portal_dev = {
 512         PORTAL_MINOR,
 513         "portals",
 514         &portalsdev_fops
 515 };
 516
 517 extern int insert_proc(void);
 518 extern void remove_proc(void);
 519 MODULE_AUTHOR("Peter J. Braam <braam@clusterfs.com>");
 520 MODULE_DESCRIPTION("Portals v3.1");
 521 MODULE_LICENSE("GPL");
 522
 523 static int init_kportals_module(void)
 524 {
 525         int rc;
 526
 527         rc = portals_debug_init(5 * 1024 * 1024);
 528         if (rc < 0) {
 529                 printk(KERN_ERR "portals_debug_init: %d\n", rc);
 530                 return (rc);
 531         }
 532
 533 #if LWT_SUPPORT
 534         rc = lwt_init();
 535         if (rc != 0) {
 536                 CERROR("lwt_init: error %d\n", rc);
 537                 goto cleanup_debug;
 538         }
 539 #endif
 540         sema_init(&nal_cmd_sem, 1);
 541
 542         rc = misc_register(&portal_dev);
 543         if (rc) {
 544                 CERROR("misc_register: error %d\n", rc);
 545                 goto cleanup_lwt;
 546         }
 547
 548         rc = PtlInit();
 549         if (rc) {
 550                 CERROR("PtlInit: error %d\n", rc);
 551                 goto cleanup_deregister;
 552         }
 553
 554         rc = insert_proc();
 555         if (rc) {
 556                 CERROR("insert_proc: error %d\n", rc);
 557                 goto cleanup_fini;
 558         }
 559
 560         CDEBUG (D_OTHER, "portals setup OK\n");
 561         return (0);
 562
 563  cleanup_fini:
 564         PtlFini();
 565  cleanup_deregister:
 566         misc_deregister(&portal_dev);
 567  cleanup_lwt:
 568 #if LWT_SUPPORT
 569         lwt_fini();
 570 #endif
 571  cleanup_debug:
 572         portals_debug_cleanup();
 573         return rc;
 574 }
 575
 576 static void exit_kportals_module(void)
 577 {
 578         int rc;
 579
 580         remove_proc();
 581         PtlFini();
 582
 583         CDEBUG(D_MALLOC, "before Portals cleanup: kmem %d\n",
 584                atomic_read(&portal_kmemory));
 585
 586
 587         rc = misc_deregister(&portal_dev);
 588         if (rc)
 589                 CERROR("misc_deregister error %d\n", rc);
 590
 591 #if LWT_SUPPORT
 592         lwt_fini();
 593 #endif
 594
 595         if (atomic_read(&portal_kmemory) != 0)
 596                 CERROR("Portals memory leaked: %d bytes\n",
 597                        atomic_read(&portal_kmemory));
 598
 599         rc = portals_debug_cleanup();
 600         if (rc)
 601                 printk(KERN_ERR "portals_debug_cleanup: %d\n", rc);
 602 }
 603
 604 EXPORT_SYMBOL(lib_dispatch);
 605 EXPORT_SYMBOL(PtlMEAttach);
 606 EXPORT_SYMBOL(PtlMEInsert);
 607 EXPORT_SYMBOL(PtlMEUnlink);
 608 EXPORT_SYMBOL(PtlEQAlloc);
 609 EXPORT_SYMBOL(PtlMDAttach);
 610 EXPORT_SYMBOL(PtlMDUnlink);
 611 EXPORT_SYMBOL(PtlNIInit);
 612 EXPORT_SYMBOL(PtlNIFini);
 613 EXPORT_SYMBOL(PtlNIDebug);
 614 EXPORT_SYMBOL(PtlInit);
 615 EXPORT_SYMBOL(PtlFini);
 616 EXPORT_SYMBOL(PtlPut);
 617 EXPORT_SYMBOL(PtlGet);
 618 EXPORT_SYMBOL(ptl_err_str);
 619 EXPORT_SYMBOL(portal_subsystem_debug);
 620 EXPORT_SYMBOL(portal_debug);
 621 EXPORT_SYMBOL(portal_stack);
 622 EXPORT_SYMBOL(portal_printk);
 623 EXPORT_SYMBOL(PtlEQWait);
 624 EXPORT_SYMBOL(PtlEQFree);
 625 EXPORT_SYMBOL(PtlEQGet);
 626 EXPORT_SYMBOL(PtlGetId);
 627 EXPORT_SYMBOL(PtlMDBind);
 628 EXPORT_SYMBOL(lib_iov_nob);
 629 EXPORT_SYMBOL(lib_copy_iov2buf);
 630 EXPORT_SYMBOL(lib_copy_buf2iov);
 631 EXPORT_SYMBOL(lib_kiov_nob);
 632 EXPORT_SYMBOL(lib_copy_kiov2buf);
 633 EXPORT_SYMBOL(lib_copy_buf2kiov);
 634 EXPORT_SYMBOL(lib_finalize);
 635 EXPORT_SYMBOL(lib_parse);
 636 EXPORT_SYMBOL(lib_init);
 637 EXPORT_SYMBOL(lib_fini);
 638 EXPORT_SYMBOL(portal_kmemory);
 639 EXPORT_SYMBOL(kportal_daemonize);
 640 EXPORT_SYMBOL(kportal_blockallsigs);
 641 EXPORT_SYMBOL(kportal_nal_register);
 642 EXPORT_SYMBOL(kportal_nal_unregister);
 643 EXPORT_SYMBOL(kportal_assertion_failed);
 644 EXPORT_SYMBOL(dispatch_name);
 645 EXPORT_SYMBOL(kportal_get_ni);
 646 EXPORT_SYMBOL(kportal_put_ni);
 647
 648 module_init(init_kportals_module);
 649 module_exit (exit_kportals_module);