4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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
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
27 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
34 * lnet/include/lnet/lib-lnet.h
36 * Top level include for library side routines
39 #ifndef __LNET_LIB_LNET_H__
40 #define __LNET_LIB_LNET_H__
42 #if defined(__linux__)
43 #include <lnet/linux/lib-lnet.h>
44 #elif defined(__APPLE__)
45 #include <lnet/darwin/lib-lnet.h>
46 #elif defined(__WINNT__)
47 #include <lnet/winnt/lib-lnet.h>
49 #error Unsupported Operating System
52 #include <libcfs/libcfs.h>
53 #include <lnet/types.h>
54 #include <lnet/lnet.h>
55 #include <lnet/lib-types.h>
57 extern lnet_t the_lnet; /* THE network */
59 static inline int lnet_is_wire_handle_none (lnet_handle_wire_t *wh)
61 return (wh->wh_interface_cookie == LNET_WIRE_HANDLE_COOKIE_NONE &&
62 wh->wh_object_cookie == LNET_WIRE_HANDLE_COOKIE_NONE);
65 static inline int lnet_md_exhausted (lnet_libmd_t *md)
67 return (md->md_threshold == 0 ||
68 ((md->md_options & LNET_MD_MAX_SIZE) != 0 &&
69 md->md_offset + md->md_max_size > md->md_length));
72 static inline int lnet_md_unlinkable (lnet_libmd_t *md)
74 /* Should unlink md when its refcount is 0 and either:
75 * - md has been flagged for deletion (by auto unlink or LNetM[DE]Unlink,
76 * in the latter case md may not be exhausted).
77 * - auto unlink is on and md is exhausted.
79 if (md->md_refcount != 0)
82 if ((md->md_flags & LNET_MD_FLAG_ZOMBIE) != 0)
85 return ((md->md_flags & LNET_MD_FLAG_AUTO_UNLINK) != 0 &&
86 lnet_md_exhausted(md));
90 #define LNET_LOCK() cfs_spin_lock(&the_lnet.ln_lock)
91 #define LNET_UNLOCK() cfs_spin_unlock(&the_lnet.ln_lock)
92 #define LNET_MUTEX_LOCK(m) cfs_mutex_lock(m)
93 #define LNET_MUTEX_UNLOCK(m) cfs_mutex_unlock(m)
95 # ifndef HAVE_LIBPTHREAD
96 #define LNET_SINGLE_THREADED_LOCK(l) \
102 #define LNET_SINGLE_THREADED_UNLOCK(l) \
104 LASSERT ((l) == 1); \
108 #define LNET_LOCK() LNET_SINGLE_THREADED_LOCK(the_lnet.ln_lock)
109 #define LNET_UNLOCK() LNET_SINGLE_THREADED_UNLOCK(the_lnet.ln_lock)
110 #define LNET_MUTEX_LOCK(m) LNET_SINGLE_THREADED_LOCK(*(m))
111 #define LNET_MUTEX_UNLOCK(m) LNET_SINGLE_THREADED_UNLOCK(*(m))
113 #define LNET_LOCK() pthread_mutex_lock(&the_lnet.ln_lock)
114 #define LNET_UNLOCK() pthread_mutex_unlock(&the_lnet.ln_lock)
115 #define LNET_MUTEX_LOCK(m) pthread_mutex_lock(m)
116 #define LNET_MUTEX_UNLOCK(m) pthread_mutex_unlock(m)
120 #define MAX_PORTALS 64
122 /* these are only used by code with LNET_USE_LIB_FREELIST, but we still
123 * exported them to !LNET_USE_LIB_FREELIST for easy implemetation */
124 #define LNET_FL_MAX_MES 2048
125 #define LNET_FL_MAX_MDS 2048
126 #define LNET_FL_MAX_EQS 512
127 #define LNET_FL_MAX_MSGS 2048 /* Outstanding messages */
129 #ifdef LNET_USE_LIB_FREELIST
131 int lnet_freelist_init(lnet_freelist_t *fl, int n, int size);
132 void lnet_freelist_fini(lnet_freelist_t *fl);
135 lnet_freelist_alloc (lnet_freelist_t *fl)
137 /* ALWAYS called with liblock held */
140 if (cfs_list_empty (&fl->fl_list))
143 o = cfs_list_entry (fl->fl_list.next, lnet_freeobj_t, fo_list);
144 cfs_list_del (&o->fo_list);
145 return ((void *)&o->fo_contents);
149 lnet_freelist_free (lnet_freelist_t *fl, void *obj)
151 /* ALWAYS called with liblock held */
152 lnet_freeobj_t *o = cfs_list_entry (obj, lnet_freeobj_t, fo_contents);
154 cfs_list_add (&o->fo_list, &fl->fl_list);
158 static inline lnet_eq_t *
161 /* NEVER called with resource lock held */
162 struct lnet_res_container *rec = &the_lnet.ln_eq_container;
166 eq = (lnet_eq_t *)lnet_freelist_alloc(&rec->rec_freelist);
173 lnet_eq_free_locked(lnet_eq_t *eq)
175 /* ALWAYS called with resource lock held */
176 struct lnet_res_container *rec = &the_lnet.ln_eq_container;
178 lnet_freelist_free(&rec->rec_freelist, eq);
182 lnet_eq_free(lnet_eq_t *eq)
185 lnet_eq_free_locked(eq);
189 static inline lnet_libmd_t *
190 lnet_md_alloc (lnet_md_t *umd)
192 /* NEVER called with resource lock held */
193 struct lnet_res_container *rec = &the_lnet.ln_md_container;
197 md = (lnet_libmd_t *)lnet_freelist_alloc(&rec->rec_freelist);
201 CFS_INIT_LIST_HEAD(&md->md_list);
207 lnet_md_free_locked(lnet_libmd_t *md)
209 /* ALWAYS called with resource lock held */
210 struct lnet_res_container *rec = &the_lnet.ln_md_container;
212 lnet_freelist_free(&rec->rec_freelist, md);
216 lnet_md_free(lnet_libmd_t *md)
219 lnet_md_free_locked(md);
223 static inline lnet_me_t *
226 /* NEVER called with resource lock held */
227 struct lnet_res_container *rec = &the_lnet.ln_me_container;
231 me = (lnet_me_t *)lnet_freelist_alloc(&rec->rec_freelist);
238 lnet_me_free_locked(lnet_me_t *me)
240 /* ALWAYS called with resource lock held */
241 struct lnet_res_container *rec = &the_lnet.ln_me_container;
243 lnet_freelist_free(&rec->rec_freelist, me);
247 lnet_me_free(lnet_me_t *me)
250 lnet_me_free_locked(me);
254 static inline lnet_msg_t *
255 lnet_msg_alloc (void)
257 /* NEVER called with network lock held */
258 struct lnet_msg_container *msc = &the_lnet.ln_msg_container;
262 msg = (lnet_msg_t *)lnet_freelist_alloc(&msc->msc_freelist);
266 /* NULL pointers, clear flags etc */
267 memset(msg, 0, sizeof(*msg));
269 msg->msg_ev.uid = LNET_UID_ANY;
276 lnet_msg_free_locked(lnet_msg_t *msg)
278 /* ALWAYS called with network lock held */
279 struct lnet_msg_container *msc = &the_lnet.ln_msg_container;
281 LASSERT(!msg->msg_onactivelist);
282 lnet_freelist_free(&msc->msc_freelist, msg);
286 lnet_msg_free (lnet_msg_t *msg)
289 lnet_msg_free_locked(msg);
293 #else /* !LNET_USE_LIB_FREELIST */
295 static inline lnet_eq_t *
298 /* NEVER called with liblock held */
301 LIBCFS_ALLOC(eq, sizeof(*eq));
306 lnet_eq_free(lnet_eq_t *eq)
308 /* ALWAYS called with resource lock held */
309 LIBCFS_FREE(eq, sizeof(*eq));
312 static inline lnet_libmd_t *
313 lnet_md_alloc (lnet_md_t *umd)
315 /* NEVER called with liblock held */
320 if ((umd->options & LNET_MD_KIOV) != 0) {
322 size = offsetof(lnet_libmd_t, md_iov.kiov[niov]);
324 niov = ((umd->options & LNET_MD_IOVEC) != 0) ?
326 size = offsetof(lnet_libmd_t, md_iov.iov[niov]);
329 LIBCFS_ALLOC(md, size);
332 /* Set here in case of early free */
333 md->md_options = umd->options;
335 CFS_INIT_LIST_HEAD(&md->md_list);
342 lnet_md_free(lnet_libmd_t *md)
344 /* ALWAYS called with resource lock held */
347 if ((md->md_options & LNET_MD_KIOV) != 0)
348 size = offsetof(lnet_libmd_t, md_iov.kiov[md->md_niov]);
350 size = offsetof(lnet_libmd_t, md_iov.iov[md->md_niov]);
352 LIBCFS_FREE(md, size);
355 static inline lnet_me_t *
358 /* NEVER called with liblock held */
361 LIBCFS_ALLOC(me, sizeof(*me));
366 lnet_me_free(lnet_me_t *me)
368 /* ALWAYS called with resource lock held */
369 LIBCFS_FREE(me, sizeof(*me));
372 static inline lnet_msg_t *
375 /* NEVER called with liblock held */
378 LIBCFS_ALLOC(msg, sizeof(*msg));
380 /* no need to zero, LIBCFS_ALLOC does for us */
384 msg->msg_ev.uid = LNET_UID_ANY;
391 lnet_msg_free(lnet_msg_t *msg)
393 /* ALWAYS called with network lock held */
394 LASSERT(!msg->msg_onactivelist);
395 LIBCFS_FREE(msg, sizeof(*msg));
398 #define lnet_eq_free_locked(eq) lnet_eq_free(eq)
399 #define lnet_md_free_locked(md) lnet_md_free(md)
400 #define lnet_me_free_locked(me) lnet_me_free(me)
401 #define lnet_msg_free_locked(msg) lnet_msg_free(msg)
403 #endif /* LNET_USE_LIB_FREELIST */
405 lnet_libhandle_t *lnet_res_lh_lookup(struct lnet_res_container *rec,
407 void lnet_res_lh_initialize(struct lnet_res_container *rec,
408 lnet_libhandle_t *lh);
410 lnet_res_lh_invalidate(lnet_libhandle_t *lh)
412 /* ALWAYS called with resource lock held */
413 cfs_list_del(&lh->lh_hash_chain);
417 lnet_eq2handle (lnet_handle_eq_t *handle, lnet_eq_t *eq)
420 LNetInvalidateHandle(handle);
424 handle->cookie = eq->eq_lh.lh_cookie;
427 static inline lnet_eq_t *
428 lnet_handle2eq(lnet_handle_eq_t *handle)
430 /* ALWAYS called with resource lock held */
431 lnet_libhandle_t *lh;
433 lh = lnet_res_lh_lookup(&the_lnet.ln_eq_container, handle->cookie);
437 return lh_entry(lh, lnet_eq_t, eq_lh);
441 lnet_md2handle (lnet_handle_md_t *handle, lnet_libmd_t *md)
443 handle->cookie = md->md_lh.lh_cookie;
446 static inline lnet_libmd_t *
447 lnet_handle2md(lnet_handle_md_t *handle)
449 /* ALWAYS called with resource lock held */
450 lnet_libhandle_t *lh;
452 lh = lnet_res_lh_lookup(&the_lnet.ln_md_container, handle->cookie);
456 return lh_entry(lh, lnet_libmd_t, md_lh);
459 static inline lnet_libmd_t *
460 lnet_wire_handle2md(lnet_handle_wire_t *wh)
462 /* ALWAYS called with resource lock held */
463 lnet_libhandle_t *lh;
465 if (wh->wh_interface_cookie != the_lnet.ln_interface_cookie)
468 lh = lnet_res_lh_lookup(&the_lnet.ln_md_container,
469 wh->wh_object_cookie);
473 return lh_entry(lh, lnet_libmd_t, md_lh);
477 lnet_me2handle (lnet_handle_me_t *handle, lnet_me_t *me)
479 handle->cookie = me->me_lh.lh_cookie;
482 static inline lnet_me_t *
483 lnet_handle2me(lnet_handle_me_t *handle)
485 /* ALWAYS called with resource lock held */
486 lnet_libhandle_t *lh;
488 lh = lnet_res_lh_lookup(&the_lnet.ln_me_container, handle->cookie);
492 return lh_entry(lh, lnet_me_t, me_lh);
496 lnet_peer_addref_locked(lnet_peer_t *lp)
498 LASSERT (lp->lp_refcount > 0);
502 extern void lnet_destroy_peer_locked(lnet_peer_t *lp);
505 lnet_peer_decref_locked(lnet_peer_t *lp)
507 LASSERT (lp->lp_refcount > 0);
509 if (lp->lp_refcount == 0)
510 lnet_destroy_peer_locked(lp);
514 lnet_isrouter(lnet_peer_t *lp)
516 return lp->lp_rtr_refcount != 0;
520 lnet_ni_addref_locked(lnet_ni_t *ni)
522 LASSERT (ni->ni_refcount > 0);
527 lnet_ni_addref(lnet_ni_t *ni)
530 lnet_ni_addref_locked(ni);
535 lnet_ni_decref_locked(lnet_ni_t *ni)
537 LASSERT (ni->ni_refcount > 0);
539 if (ni->ni_refcount == 0)
540 cfs_list_add_tail(&ni->ni_list, &the_lnet.ln_zombie_nis);
544 lnet_ni_decref(lnet_ni_t *ni)
547 lnet_ni_decref_locked(ni);
552 lnet_nid2peerhash(lnet_nid_t nid)
554 return cfs_hash_long(nid, LNET_PEER_HASH_BITS);
557 extern lnd_t the_lolnd;
560 /* unconditional registration */
561 #define LNET_REGISTER_ULND(lnd) \
565 lnet_register_lnd(&(lnd)); \
568 /* conditional registration */
569 #define LNET_REGISTER_ULND_IF_PRESENT(lnd) \
571 extern lnd_t lnd __attribute__ ((weak, alias("the_lolnd"))); \
573 if (&(lnd) != &the_lolnd) \
574 lnet_register_lnd(&(lnd)); \
580 lnet_set_msg_uid(lnet_ni_t *ni, lnet_msg_t *msg, lnet_uid_t uid)
582 LASSERT (msg->msg_ev.uid == LNET_UID_ANY);
583 msg->msg_ev.uid = uid;
587 extern lnet_ni_t *lnet_nid2ni_locked (lnet_nid_t nid);
588 extern lnet_ni_t *lnet_net2ni_locked (__u32 net);
589 static inline lnet_ni_t *
590 lnet_net2ni (__u32 net)
595 ni = lnet_net2ni_locked(net);
601 int lnet_notify(lnet_ni_t *ni, lnet_nid_t peer, int alive, cfs_time_t when);
602 void lnet_notify_locked(lnet_peer_t *lp, int notifylnd, int alive, cfs_time_t when);
603 int lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway_nid);
604 int lnet_check_routes(void);
605 int lnet_del_route(__u32 net, lnet_nid_t gw_nid);
606 void lnet_destroy_routes(void);
607 int lnet_get_route(int idx, __u32 *net, __u32 *hops,
608 lnet_nid_t *gateway, __u32 *alive);
609 void lnet_proc_init(void);
610 void lnet_proc_fini(void);
611 void lnet_init_rtrpools(void);
612 int lnet_alloc_rtrpools(int im_a_router);
613 void lnet_free_rtrpools(void);
614 lnet_remotenet_t *lnet_find_net_locked (__u32 net);
616 int lnet_islocalnid(lnet_nid_t nid);
617 int lnet_islocalnet(__u32 net);
619 void lnet_msg_attach_md(lnet_msg_t *msg, lnet_libmd_t *md,
620 unsigned int offset, unsigned int mlen);
621 void lnet_msg_detach_md(lnet_msg_t *msg, int status);
622 void lnet_build_unlink_event(lnet_libmd_t *md, lnet_event_t *ev);
623 void lnet_build_msg_event(lnet_msg_t *msg, lnet_event_kind_t ev_type);
624 void lnet_msg_commit(lnet_msg_t *msg, int sending);
625 void lnet_msg_decommit(lnet_msg_t *msg, int status);
627 void lnet_eq_enqueue_event(lnet_eq_t *eq, lnet_event_t *ev);
628 void lnet_prep_send(lnet_msg_t *msg, int type, lnet_process_id_t target,
629 unsigned int offset, unsigned int len);
630 int lnet_send(lnet_nid_t nid, lnet_msg_t *msg);
631 void lnet_return_tx_credits_locked(lnet_msg_t *msg);
632 void lnet_return_rx_credits_locked(lnet_msg_t *msg);
634 /* portals functions */
635 /* portals attributes */
637 lnet_ptl_is_lazy(lnet_portal_t *ptl)
639 return !!(ptl->ptl_options & LNET_PTL_LAZY);
643 lnet_ptl_is_unique(lnet_portal_t *ptl)
645 return !!(ptl->ptl_options & LNET_PTL_MATCH_UNIQUE);
649 lnet_ptl_is_wildcard(lnet_portal_t *ptl)
651 return !!(ptl->ptl_options & LNET_PTL_MATCH_WILDCARD);
655 lnet_ptl_setopt(lnet_portal_t *ptl, int opt)
657 ptl->ptl_options |= opt;
661 lnet_ptl_unsetopt(lnet_portal_t *ptl, int opt)
663 ptl->ptl_options &= ~opt;
666 /* match-table functions */
667 cfs_list_t *lnet_mt_match_head(struct lnet_match_table *mtable,
668 lnet_process_id_t id, __u64 mbits);
669 struct lnet_match_table *lnet_mt_of_attach(unsigned int index,
670 lnet_process_id_t id, __u64 mbits,
673 struct lnet_match_table *lnet_mt_of_match(unsigned int index,
674 lnet_process_id_t id, __u64 mbits);
675 int lnet_mt_match_md(struct lnet_match_table *mtable,
676 int op_mask, lnet_process_id_t src,
677 unsigned int rlength, unsigned int roffset,
678 __u64 match_bits, lnet_msg_t *msg);
680 /* portals match/attach functions */
681 void lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md,
682 cfs_list_t *matches, cfs_list_t *drops);
683 void lnet_ptl_detach_md(lnet_me_t *me, lnet_libmd_t *md);
684 int lnet_ptl_match_md(unsigned int index, int op_mask, lnet_process_id_t src,
685 unsigned int rlength, unsigned int roffset,
686 __u64 match_bits, lnet_msg_t *msg);
688 /* initialized and finalize portals */
689 int lnet_portals_create(void);
690 void lnet_portals_destroy(void);
692 /* message functions */
693 int lnet_parse (lnet_ni_t *ni, lnet_hdr_t *hdr,
694 lnet_nid_t fromnid, void *private, int rdma_req);
695 void lnet_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed,
696 unsigned int offset, unsigned int mlen, unsigned int rlen);
697 lnet_msg_t *lnet_create_reply_msg (lnet_ni_t *ni, lnet_msg_t *get_msg);
698 void lnet_set_reply_msg_len(lnet_ni_t *ni, lnet_msg_t *msg, unsigned int len);
699 void lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int rc);
700 void lnet_drop_delayed_msg_list(cfs_list_t *head, char *reason);
701 void lnet_recv_delayed_msg_list(cfs_list_t *head);
703 int lnet_msg_container_setup(struct lnet_msg_container *container);
704 void lnet_msg_container_cleanup(struct lnet_msg_container *container);
706 char *lnet_msgtyp2str (int type);
707 void lnet_print_hdr (lnet_hdr_t * hdr);
708 int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold);
710 unsigned int lnet_iov_nob (unsigned int niov, struct iovec *iov);
711 int lnet_extract_iov (int dst_niov, struct iovec *dst,
712 int src_niov, struct iovec *src,
713 unsigned int offset, unsigned int len);
715 unsigned int lnet_kiov_nob (unsigned int niov, lnet_kiov_t *iov);
716 int lnet_extract_kiov (int dst_niov, lnet_kiov_t *dst,
717 int src_niov, lnet_kiov_t *src,
718 unsigned int offset, unsigned int len);
720 void lnet_copy_iov2iov (unsigned int ndiov, struct iovec *diov,
721 unsigned int doffset,
722 unsigned int nsiov, struct iovec *siov,
723 unsigned int soffset, unsigned int nob);
724 void lnet_copy_kiov2iov (unsigned int niov, struct iovec *iov,
725 unsigned int iovoffset,
726 unsigned int nkiov, lnet_kiov_t *kiov,
727 unsigned int kiovoffset, unsigned int nob);
728 void lnet_copy_iov2kiov (unsigned int nkiov, lnet_kiov_t *kiov,
729 unsigned int kiovoffset,
730 unsigned int niov, struct iovec *iov,
731 unsigned int iovoffset, unsigned int nob);
732 void lnet_copy_kiov2kiov (unsigned int ndkiov, lnet_kiov_t *dkiov,
733 unsigned int doffset,
734 unsigned int nskiov, lnet_kiov_t *skiov,
735 unsigned int soffset, unsigned int nob);
738 lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset,
739 unsigned int nsiov, struct iovec *siov, unsigned int soffset,
742 struct iovec diov = {/*.iov_base = */ dest, /*.iov_len = */ dlen};
744 lnet_copy_iov2iov(1, &diov, doffset,
745 nsiov, siov, soffset, nob);
749 lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset,
750 unsigned int nsiov, lnet_kiov_t *skiov, unsigned int soffset,
753 struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen};
755 lnet_copy_kiov2iov(1, &diov, doffset,
756 nsiov, skiov, soffset, nob);
760 lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset,
761 int slen, void *src, unsigned int soffset, unsigned int nob)
763 struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen};
764 lnet_copy_iov2iov(ndiov, diov, doffset,
765 1, &siov, soffset, nob);
769 lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, unsigned int doffset,
770 int slen, void *src, unsigned int soffset, unsigned int nob)
772 struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen};
773 lnet_copy_iov2kiov(ndiov, dkiov, doffset,
774 1, &siov, soffset, nob);
777 void lnet_me_unlink(lnet_me_t *me);
779 void lnet_md_unlink(lnet_libmd_t *md);
780 void lnet_md_deconstruct(lnet_libmd_t *lmd, lnet_md_t *umd);
782 void lnet_register_lnd(lnd_t *lnd);
783 void lnet_unregister_lnd(lnd_t *lnd);
784 int lnet_set_ip_niaddr (lnet_ni_t *ni);
787 int lnet_connect(cfs_socket_t **sockp, lnet_nid_t peer_nid,
788 __u32 local_ip, __u32 peer_ip, int peer_port);
789 void lnet_connect_console_error(int rc, lnet_nid_t peer_nid,
790 __u32 peer_ip, int port);
791 int lnet_count_acceptor_nis(void);
792 int lnet_acceptor_timeout(void);
793 int lnet_acceptor_port(void);
795 void lnet_router_checker(void);
798 #ifdef HAVE_LIBPTHREAD
799 int lnet_count_acceptor_nis(void);
800 int lnet_acceptor_port(void);
803 int lnet_acceptor_start(void);
804 void lnet_acceptor_stop(void);
806 void lnet_get_tunables(void);
807 int lnet_peers_start_down(void);
808 int lnet_peer_buffer_credits(lnet_ni_t *ni);
810 int lnet_router_checker_start(void);
811 void lnet_router_checker_stop(void);
812 void lnet_swap_pinginfo(lnet_ping_info_t *info);
814 int lnet_ping_target_init(void);
815 void lnet_ping_target_fini(void);
816 int lnet_ping(lnet_process_id_t id, int timeout_ms,
817 lnet_process_id_t *ids, int n_ids);
819 int lnet_parse_ip2nets (char **networksp, char *ip2nets);
820 int lnet_parse_routes (char *route_str, int *im_a_router);
821 int lnet_parse_networks (cfs_list_t *nilist, char *networks);
823 int lnet_nid2peer_locked(lnet_peer_t **lpp, lnet_nid_t nid);
824 lnet_peer_t *lnet_find_peer_locked (lnet_nid_t nid);
825 void lnet_peer_table_cleanup(void);
826 void lnet_peer_table_destroy(void);
827 int lnet_peer_table_create(void);
828 void lnet_debug_peer(lnet_nid_t nid);
832 lnet_parse_int_tunable(int *value, char *name)
834 char *env = getenv(name);
840 *value = strtoull(env, &end, 0);
844 CERROR("Can't parse tunable %s=%s\n", name, env);