1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Author: Liang Zhen <liangzhen@clusterfs.com>
6 * This file is part of Lustre, http://www.lustre.org
8 * Console framework rpcs
12 #include <libcfs/libcfs.h>
13 #include <lnet/lib-lnet.h>
18 void lstcon_rpc_stat_reply(int, srpc_msg_t *,
19 lstcon_node_t *, lstcon_trans_stat_t *);
22 lstcon_rpc_done(srpc_client_rpc_t *rpc)
24 lstcon_rpc_t *crpc = (lstcon_rpc_t *)rpc->crpc_priv;
26 LASSERT (!list_empty(&crpc->crp_link));
27 LASSERT (crpc != NULL && rpc == crpc->crp_rpc);
28 LASSERT (crpc->crp_posted && !crpc->crp_finished);
30 spin_lock(&rpc->crpc_lock);
32 if (crpc->crp_trans == NULL) {
34 spin_lock(&console_session.ses_rpc_lock);
36 /* delete from orphan rpcs list */
37 console_session.ses_rpc_pending --;
38 list_del_init(&crpc->crp_link);
40 spin_unlock(&console_session.ses_rpc_lock);
42 spin_unlock(&rpc->crpc_lock);
49 /* not an orphan RPC */
50 crpc->crp_finished = 1;
52 if (crpc->crp_stamp == 0) {
54 LASSERT (crpc->crp_status == 0);
56 crpc->crp_stamp = cfs_time_current();
57 crpc->crp_status = rpc->crpc_status;
60 /* wakeup thread waiting on the group if
61 * it's the last rpc in the group */
62 if (atomic_dec_and_test(&crpc->crp_trans->tas_remaining))
63 cfs_waitq_signal(&crpc->crp_trans->tas_waitq);
65 spin_unlock(&rpc->crpc_lock);
69 lstcon_rpc_init(lstcon_node_t *nd, int service,
70 int npg, int cached, lstcon_rpc_t *crpc)
73 crpc->crp_rpc = sfw_create_rpc(nd->nd_id, service,
74 npg, npg * CFS_PAGE_SIZE,
75 lstcon_rpc_done, (void *)crpc);
76 if (crpc->crp_rpc == NULL)
79 crpc->crp_trans = NULL;
82 crpc->crp_finished = 0;
83 crpc->crp_unpacked = 0;
86 crpc->crp_static = !cached;
87 CFS_INIT_LIST_HEAD(&crpc->crp_link);
93 lstcon_rpc_prep(lstcon_node_t *nd, int service,
94 int npg, lstcon_rpc_t **crpcpp)
96 lstcon_rpc_t *crpc = NULL;
99 spin_lock(&console_session.ses_rpc_lock);
101 if (!list_empty(&console_session.ses_rpc_freelist)) {
102 crpc = list_entry(console_session.ses_rpc_freelist.next,
103 lstcon_rpc_t, crp_link);
104 list_del(&crpc->crp_link);
107 spin_unlock(&console_session.ses_rpc_lock);
110 LIBCFS_ALLOC(crpc, sizeof(*crpc));
115 rc = lstcon_rpc_init(nd, service, npg, 1, crpc);
121 LIBCFS_FREE(crpc, sizeof(*crpc));
127 lstcon_rpc_put(lstcon_rpc_t *crpc)
129 srpc_bulk_t *bulk = &crpc->crp_rpc->crpc_bulk;
132 LASSERT (list_empty(&crpc->crp_link));
134 for (i = 0; i < bulk->bk_niov; i++) {
135 if (bulk->bk_iovs[i].kiov_page == NULL)
138 cfs_free_page(bulk->bk_iovs[i].kiov_page);
141 srpc_client_rpc_decref(crpc->crp_rpc);
143 if (crpc->crp_static) {
144 memset(crpc, 0, sizeof(*crpc));
145 crpc->crp_static = 1;
149 spin_lock(&console_session.ses_rpc_lock);
151 list_add(&crpc->crp_link, &console_session.ses_rpc_freelist);
153 spin_unlock(&console_session.ses_rpc_lock);
157 lstcon_rpc_post(lstcon_rpc_t *crpc)
159 lstcon_rpc_trans_t *trans = crpc->crp_trans;
161 LASSERT (trans != NULL);
163 atomic_inc(&trans->tas_remaining);
164 crpc->crp_posted = 1;
166 sfw_post_rpc(crpc->crp_rpc);
170 lstcon_rpc_trans_name(int transop)
172 if (transop == LST_TRANS_SESNEW)
175 if (transop == LST_TRANS_SESEND)
178 if (transop == LST_TRANS_SESQRY)
181 if (transop == LST_TRANS_SESPING)
184 if (transop == LST_TRANS_TSBCLIADD)
187 if (transop == LST_TRANS_TSBSRVADD)
190 if (transop == LST_TRANS_TSBRUN)
193 if (transop == LST_TRANS_TSBSTOP)
196 if (transop == LST_TRANS_TSBCLIQRY)
199 if (transop == LST_TRANS_TSBSRVQRY)
202 if (transop == LST_TRANS_STATQRY)
209 lstcon_rpc_trans_prep(struct list_head *translist,
210 int transop, lstcon_rpc_trans_t **transpp)
212 lstcon_rpc_trans_t *trans;
214 if (translist != NULL) {
215 list_for_each_entry(trans, translist, tas_link) {
216 /* Can't enqueue two private transaction on
218 if ((trans->tas_opc & transop) == LST_TRANS_PRIVATE)
223 /* create a trans group */
224 LIBCFS_ALLOC(trans, sizeof(*trans));
228 trans->tas_opc = transop;
230 if (translist == NULL)
231 CFS_INIT_LIST_HEAD(&trans->tas_olink);
233 list_add_tail(&trans->tas_olink, translist);
235 list_add_tail(&trans->tas_link, &console_session.ses_trans_list);
237 CFS_INIT_LIST_HEAD(&trans->tas_rpcs_list);
238 atomic_set(&trans->tas_remaining, 0);
239 cfs_waitq_init(&trans->tas_waitq);
247 lstcon_rpc_trans_addreq(lstcon_rpc_trans_t *trans, lstcon_rpc_t *crpc)
249 list_add_tail(&crpc->crp_link, &trans->tas_rpcs_list);
250 crpc->crp_trans = trans;
254 lstcon_rpc_trans_abort(lstcon_rpc_trans_t *trans, int error)
256 srpc_client_rpc_t *rpc;
260 list_for_each_entry (crpc, &trans->tas_rpcs_list, crp_link) {
263 spin_lock(&rpc->crpc_lock);
265 if (!crpc->crp_posted || crpc->crp_stamp != 0) {
266 /* rpc done or aborted already */
267 spin_unlock(&rpc->crpc_lock);
271 crpc->crp_stamp = cfs_time_current();
272 crpc->crp_status = error;
274 spin_unlock(&rpc->crpc_lock);
278 if (error != ETIMEDOUT)
282 if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp))
285 nd->nd_stamp = crpc->crp_stamp;
286 nd->nd_state = LST_NODE_DOWN;
291 lstcon_rpc_trans_check(lstcon_rpc_trans_t *trans)
293 if (console_session.ses_shutdown &&
294 !list_empty(&trans->tas_olink)) /* It's not an end session RPC */
297 return (atomic_read(&trans->tas_remaining) == 0) ? 1: 0;
301 lstcon_rpc_trans_postwait(lstcon_rpc_trans_t *trans, int timeout)
306 if (list_empty(&trans->tas_rpcs_list))
309 if (timeout < LST_TRANS_MIN_TIMEOUT)
310 timeout = LST_TRANS_MIN_TIMEOUT;
312 CDEBUG(D_NET, "Transaction %s started\n",
313 lstcon_rpc_trans_name(trans->tas_opc));
315 /* post all requests */
316 list_for_each_entry (crpc, &trans->tas_rpcs_list, crp_link) {
317 LASSERT (!crpc->crp_posted);
319 lstcon_rpc_post(crpc);
322 mutex_up(&console_session.ses_mutex);
324 rc = wait_event_interruptible_timeout(trans->tas_waitq,
325 lstcon_rpc_trans_check(trans),
328 rc = (rc > 0)? 0: ((rc < 0)? -EINTR: -ETIMEDOUT);
330 mutex_down(&console_session.ses_mutex);
332 if (console_session.ses_shutdown)
336 /* treat short timeout as canceled */
337 if (rc == -ETIMEDOUT && timeout < LST_TRANS_MIN_TIMEOUT * 2)
340 lstcon_rpc_trans_abort(trans, rc);
343 CDEBUG(D_NET, "Transaction %s stopped: %d\n",
344 lstcon_rpc_trans_name(trans->tas_opc), rc);
346 lstcon_rpc_trans_stat(trans, lstcon_trans_stat());
352 lstcon_rpc_get_reply(lstcon_rpc_t *crpc, srpc_msg_t **msgpp)
354 lstcon_node_t *nd = crpc->crp_node;
355 srpc_client_rpc_t *rpc = crpc->crp_rpc;
356 srpc_generic_reply_t *rep;
358 LASSERT (nd != NULL && rpc != NULL);
359 LASSERT (crpc->crp_stamp != 0);
361 if (crpc->crp_status != 0) {
363 return crpc->crp_status;
366 *msgpp = &rpc->crpc_replymsg;
367 if (!crpc->crp_unpacked) {
368 sfw_unpack_message(*msgpp);
369 crpc->crp_unpacked = 1;
372 if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp))
375 nd->nd_stamp = crpc->crp_stamp;
376 rep = &(*msgpp)->msg_body.reply;
378 if (rep->sid.ses_nid == LNET_NID_ANY)
379 nd->nd_state = LST_NODE_UNKNOWN;
380 else if (lstcon_session_match(rep->sid))
381 nd->nd_state = LST_NODE_ACTIVE;
383 nd->nd_state = LST_NODE_BUSY;
389 lstcon_rpc_trans_stat(lstcon_rpc_trans_t *trans, lstcon_trans_stat_t *stat)
392 srpc_client_rpc_t *rpc;
396 LASSERT (stat != NULL);
398 memset(stat, 0, sizeof(*stat));
400 list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
401 lstcon_rpc_stat_total(stat, 1);
405 LASSERT (crpc->crp_stamp != 0);
407 error = lstcon_rpc_get_reply(crpc, &rep);
409 lstcon_rpc_stat_failure(stat, 1);
410 if (stat->trs_rpc_errno == 0)
411 stat->trs_rpc_errno = -error;
416 lstcon_rpc_stat_success(stat, 1);
418 lstcon_rpc_stat_reply(trans->tas_opc, rep,
419 crpc->crp_node, stat);
422 CDEBUG(D_NET, "transaction %s success, %d failure, %d total %d, "
423 "RPC error(%d), Framework error(%d)\n",
424 lstcon_rpc_trans_name(trans->tas_opc),
425 lstcon_rpc_stat_success(stat, 0),
426 lstcon_rpc_stat_failure(stat, 0),
427 lstcon_rpc_stat_total(stat, 0),
428 stat->trs_rpc_errno, stat->trs_fwk_errno);
434 lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans,
435 struct list_head *head_up,
436 lstcon_rpc_readent_func_t readent)
438 struct list_head tmp;
439 struct list_head *next;
440 lstcon_rpc_ent_t *ent;
441 srpc_generic_reply_t *rep;
442 srpc_client_rpc_t *rpc;
450 LASSERT (head_up != NULL);
454 list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
455 if (copy_from_user(&tmp, next, sizeof(struct list_head)))
458 if (tmp.next == head_up)
463 ent = list_entry(next, lstcon_rpc_ent_t, rpe_link);
467 LASSERT (crpc->crp_stamp != 0);
469 error = lstcon_rpc_get_reply(crpc, &msg);
473 dur = cfs_time_sub(crpc->crp_stamp,
474 console_session.ses_id.ses_stamp);
475 cfs_duration_usec(dur, &tv);
477 if (copy_to_user(&ent->rpe_peer,
478 &nd->nd_id, sizeof(lnet_process_id_t)) ||
479 copy_to_user(&ent->rpe_stamp, &tv, sizeof(tv)) ||
480 copy_to_user(&ent->rpe_state,
481 &nd->nd_state, sizeof(nd->nd_state)) ||
482 copy_to_user(&ent->rpe_rpc_errno, &error, sizeof(error)))
489 rep = (srpc_generic_reply_t *)&msg->msg_body.reply;
491 if (copy_to_user(&ent->rpe_sid,
492 &rep->sid, sizeof(lst_sid_t)) ||
493 copy_to_user(&ent->rpe_fwk_errno,
494 &rep->status, sizeof(rep->status)))
500 if ((error = readent(trans->tas_opc, msg, ent)) != 0)
508 lstcon_rpc_trans_destroy(lstcon_rpc_trans_t *trans)
510 srpc_client_rpc_t *rpc;
515 list_for_each_entry_safe(crpc, tmp,
516 &trans->tas_rpcs_list, crp_link) {
519 spin_lock(&rpc->crpc_lock);
521 /* free it if not posted or finished already */
522 if (!crpc->crp_posted || crpc->crp_finished) {
523 spin_unlock(&rpc->crpc_lock);
525 list_del_init(&crpc->crp_link);
526 lstcon_rpc_put(crpc);
531 /* rpcs can be still not callbacked (even LNetMDUnlink is called)
532 * because huge timeout for inaccessible network, don't make
533 * user wait for them, just put rpcs in orphan list */
535 LASSERT (crpc->crp_status != 0);
537 crpc->crp_node = NULL;
538 crpc->crp_trans = NULL;
539 list_del(&crpc->crp_link);
541 spin_lock(&console_session.ses_rpc_lock);
544 /* add to orphan list */
545 console_session.ses_rpc_pending ++;
546 list_add_tail(&crpc->crp_link, &console_session.ses_rpc_list);
548 spin_unlock(&console_session.ses_rpc_lock);
550 spin_unlock(&rpc->crpc_lock);
552 atomic_dec(&trans->tas_remaining);
555 LASSERT (atomic_read(&trans->tas_remaining) == 0);
557 list_del(&trans->tas_link);
558 if (!list_empty(&trans->tas_olink))
559 list_del(&trans->tas_olink);
561 CDEBUG(D_NET, "Transaction %s destroyed with %d pending RPCs\n",
562 lstcon_rpc_trans_name(trans->tas_opc), count);
564 LIBCFS_FREE(trans, sizeof(*trans));
570 lstcon_sesrpc_prep(lstcon_node_t *nd, int transop, lstcon_rpc_t **crpc)
572 srpc_mksn_reqst_t *msrq;
573 srpc_rmsn_reqst_t *rsrq;
577 case LST_TRANS_SESNEW:
578 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_MAKE_SESSION, 0, crpc);
582 msrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.mksn_reqst;
583 msrq->mksn_sid = console_session.ses_id;
584 msrq->mksn_force = console_session.ses_force;
585 strncpy(msrq->mksn_name, console_session.ses_name,
586 strlen(console_session.ses_name));
589 case LST_TRANS_SESEND:
590 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_REMOVE_SESSION, 0, crpc);
594 rsrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.rmsn_reqst;
595 rsrq->rmsn_sid = console_session.ses_id;
606 lstcon_dbgrpc_prep(lstcon_node_t *nd, lstcon_rpc_t **crpc)
608 srpc_debug_reqst_t *drq;
611 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_DEBUG, 0, crpc);
615 drq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
617 drq->dbg_sid = console_session.ses_id;
624 lstcon_batrpc_prep(lstcon_node_t *nd, int transop,
625 lstcon_tsb_hdr_t *tsb, lstcon_rpc_t **crpc)
627 lstcon_batch_t *batch;
628 srpc_batch_reqst_t *brq;
631 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_BATCH, 0, crpc);
635 brq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.bat_reqst;
637 brq->bar_sid = console_session.ses_id;
638 brq->bar_bid = tsb->tsb_id;
639 brq->bar_testidx = tsb->tsb_index;
640 brq->bar_opc = transop == LST_TRANS_TSBRUN ? SRPC_BATCH_OPC_RUN :
641 (transop == LST_TRANS_TSBSTOP ? SRPC_BATCH_OPC_STOP:
642 SRPC_BATCH_OPC_QUERY);
644 if (transop != LST_TRANS_TSBRUN &&
645 transop != LST_TRANS_TSBSTOP)
648 LASSERT (tsb->tsb_index == 0);
650 batch = (lstcon_batch_t *)tsb;
651 brq->bar_arg = batch->bat_arg;
657 lstcon_statrpc_prep(lstcon_node_t *nd, lstcon_rpc_t **crpc)
659 srpc_stat_reqst_t *srq;
662 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_QUERY_STAT, 0, crpc);
666 srq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.stat_reqst;
668 srq->str_sid = console_session.ses_id;
669 srq->str_type = 0; /* XXX remove it */
675 lstcon_next_id(int idx, int nkiov, lnet_kiov_t *kiov)
677 lnet_process_id_t *pid;
680 i = idx / (CFS_PAGE_SIZE / sizeof(lnet_process_id_t));
684 pid = (lnet_process_id_t *)cfs_page_address(kiov[i].kiov_page);
686 return &pid[idx % (CFS_PAGE_SIZE / sizeof(lnet_process_id_t))];
690 lstcon_dstnodes_prep(lstcon_group_t *grp, int idx,
691 int dist, int span, int nkiov, lnet_kiov_t *kiov)
693 lnet_process_id_t *pid;
694 lstcon_ndlink_t *ndl;
702 LASSERT (grp->grp_nnode >= 1);
704 if (span > grp->grp_nnode)
707 start = ((idx / dist) * span) % grp->grp_nnode;
708 end = ((idx / dist) * span + span - 1) % grp->grp_nnode;
710 list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) {
717 if (i > (end >= start ? end: grp->grp_nnode))
720 pid = lstcon_next_id((i - start), nkiov, kiov);
725 if (start <= end) /* done */
728 list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) {
729 if (i > grp->grp_nnode + end)
733 pid = lstcon_next_id((i - start), nkiov, kiov);
742 lstcon_pingrpc_prep(lst_test_ping_param_t *param, srpc_test_reqst_t *req)
744 test_ping_req_t *prq = &req->tsr_u.ping;
746 prq->png_size = param->png_size;
747 prq->png_flags = param->png_flags;
753 lstcon_bulkrpc_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req)
755 test_bulk_req_t *brq = &req->tsr_u.bulk;
757 brq->blk_opc = param->blk_opc;
758 brq->blk_npg = param->blk_npg;
759 brq->blk_flags = param->blk_flags;
765 lstcon_testrpc_prep(lstcon_node_t *nd, int transop,
766 lstcon_test_t *test, lstcon_rpc_t **crpc)
768 lstcon_group_t *sgrp = test->tes_src_grp;
769 lstcon_group_t *dgrp = test->tes_dst_grp;
770 srpc_test_reqst_t *trq;
776 if (transop == LST_TRANS_TSBCLIADD)
777 n = sfw_id_pages(test->tes_span);
779 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_TEST, n, crpc);
783 trq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.tes_reqst;
785 if (transop == LST_TRANS_TSBSRVADD) {
786 int ndist = (sgrp->grp_nnode + test->tes_dist - 1) / test->tes_dist;
787 int nspan = (dgrp->grp_nnode + test->tes_span - 1) / test->tes_span;
788 int nmax = (ndist + nspan - 1) / nspan;
791 trq->tsr_loop = nmax * test->tes_dist * test->tes_concur;
794 bulk = &(*crpc)->crp_rpc->crpc_bulk;
796 for (i = 0; i < n; i++) {
797 bulk->bk_iovs[i].kiov_offset = 0;
798 bulk->bk_iovs[i].kiov_len = CFS_PAGE_SIZE;
799 bulk->bk_iovs[i].kiov_page = cfs_alloc_page(CFS_ALLOC_STD);
801 if (bulk->bk_iovs[i].kiov_page != NULL)
804 lstcon_rpc_put(*crpc);
810 LASSERT (transop == LST_TRANS_TSBCLIADD);
812 rc = lstcon_dstnodes_prep(test->tes_dst_grp,
813 test->tes_cliidx++, test->tes_dist,
814 test->tes_span, n, &bulk->bk_iovs[0]);
816 lstcon_rpc_put(*crpc);
820 trq->tsr_ndest = test->tes_span;
821 trq->tsr_loop = test->tes_loop;
824 trq->tsr_sid = console_session.ses_id;
825 trq->tsr_bid = test->tes_hdr.tsb_id;
826 trq->tsr_concur = test->tes_concur;
827 trq->tsr_is_client = (transop == LST_TRANS_TSBCLIADD) ? 1 : 0;
828 trq->tsr_stop_onerr = test->tes_stop_onerr;
830 switch (test->tes_type) {
832 trq->tsr_service = SRPC_SERVICE_PING;
833 rc = lstcon_pingrpc_prep((lst_test_ping_param_t *)&test->tes_param[0], trq);
836 trq->tsr_service = SRPC_SERVICE_BRW;
837 rc = lstcon_bulkrpc_prep((lst_test_bulk_param_t *)&test->tes_param[0], trq);
848 lstcon_rpc_stat_reply(int transop, srpc_msg_t *msg,
849 lstcon_node_t *nd, lstcon_trans_stat_t *stat)
851 srpc_mksn_reply_t *mksn_rep;
852 srpc_rmsn_reply_t *rmsn_rep;
853 srpc_debug_reply_t *dbg_rep;
854 srpc_batch_reply_t *bat_rep;
855 srpc_test_reply_t *test_rep;
856 srpc_stat_reply_t *stat_rep;
860 case LST_TRANS_SESNEW:
861 mksn_rep = &msg->msg_body.mksn_reply;
863 if (mksn_rep->mksn_status == 0) {
864 lstcon_sesop_stat_success(stat, 1);
865 /* session timeout on remote node */
866 nd->nd_timeout = mksn_rep->mksn_timeout;
870 LASSERT (mksn_rep->mksn_status == EBUSY ||
871 mksn_rep->mksn_status == EINVAL);
873 lstcon_sesop_stat_failure(stat, 1);
874 errno = mksn_rep->mksn_status;
877 case LST_TRANS_SESEND:
878 rmsn_rep = &msg->msg_body.rmsn_reply;
879 /* ESRCH is not an error for end session */
880 if (rmsn_rep->rmsn_status == 0 ||
881 rmsn_rep->rmsn_status == ESRCH) {
882 lstcon_sesop_stat_success(stat, 1);
886 LASSERT (rmsn_rep->rmsn_status == EBUSY ||
887 rmsn_rep->rmsn_status == EINVAL);
889 lstcon_sesop_stat_failure(stat, 1);
890 errno = rmsn_rep->rmsn_status;
893 case LST_TRANS_SESQRY:
894 case LST_TRANS_SESPING:
895 dbg_rep = &msg->msg_body.dbg_reply;
897 if (dbg_rep->dbg_status == ESRCH) {
898 lstcon_sesqry_stat_unknown(stat, 1);
902 LASSERT (dbg_rep->dbg_status == 0);
904 if (lstcon_session_match(dbg_rep->dbg_sid))
905 lstcon_sesqry_stat_active(stat, 1);
907 lstcon_sesqry_stat_busy(stat, 1);
910 case LST_TRANS_TSBRUN:
911 case LST_TRANS_TSBSTOP:
912 bat_rep = &msg->msg_body.bat_reply;
914 if (bat_rep->bar_status == 0) {
915 lstcon_tsbop_stat_success(stat, 1);
919 if (bat_rep->bar_status == EPERM &&
920 transop == LST_TRANS_TSBSTOP) {
921 lstcon_tsbop_stat_success(stat, 1);
925 lstcon_tsbop_stat_failure(stat, 1);
926 errno = bat_rep->bar_status;
929 case LST_TRANS_TSBCLIQRY:
930 case LST_TRANS_TSBSRVQRY:
931 bat_rep = &msg->msg_body.bat_reply;
933 if (bat_rep->bar_active != 0)
934 lstcon_tsbqry_stat_run(stat, 1);
936 lstcon_tsbqry_stat_idle(stat, 1);
938 if (bat_rep->bar_status == 0)
941 lstcon_tsbqry_stat_failure(stat, 1);
942 errno = bat_rep->bar_status;
945 case LST_TRANS_TSBCLIADD:
946 case LST_TRANS_TSBSRVADD:
947 test_rep = &msg->msg_body.tes_reply;
949 if (test_rep->tsr_status == 0) {
950 lstcon_tsbop_stat_success(stat, 1);
954 lstcon_tsbop_stat_failure(stat, 1);
955 errno = test_rep->tsr_status;
958 case LST_TRANS_STATQRY:
959 stat_rep = &msg->msg_body.stat_reply;
961 if (stat_rep->str_status == 0) {
962 lstcon_statqry_stat_success(stat, 1);
966 lstcon_statqry_stat_failure(stat, 1);
967 errno = stat_rep->str_status;
974 if (stat->trs_fwk_errno == 0)
975 stat->trs_fwk_errno = errno;
981 lstcon_rpc_trans_ndlist(struct list_head *ndlist,
982 struct list_head *translist, int transop, void *arg,
983 lstcon_rpc_cond_func_t condition, lstcon_rpc_trans_t **transpp)
985 lstcon_rpc_trans_t *trans;
986 lstcon_ndlink_t *ndl;
991 /* Creating session RPG for list of nodes */
993 rc = lstcon_rpc_trans_prep(translist, transop, &trans);
995 CERROR("Can't create transaction %d: %d\n", transop, rc);
999 list_for_each_entry(ndl, ndlist, ndl_link) {
1000 rc = condition == NULL ? 1 :
1001 condition(transop, ndl->ndl_node, arg);
1007 CDEBUG(D_NET, "Condition error while creating RPC "
1008 " for transaction %d: %d\n", transop, rc);
1015 case LST_TRANS_SESNEW:
1016 case LST_TRANS_SESEND:
1017 rc = lstcon_sesrpc_prep(nd, transop, &rpc);
1019 case LST_TRANS_SESQRY:
1020 case LST_TRANS_SESPING:
1021 rc = lstcon_dbgrpc_prep(nd, &rpc);
1023 case LST_TRANS_TSBCLIADD:
1024 case LST_TRANS_TSBSRVADD:
1025 rc = lstcon_testrpc_prep(nd, transop,
1026 (lstcon_test_t *)arg, &rpc);
1028 case LST_TRANS_TSBRUN:
1029 case LST_TRANS_TSBSTOP:
1030 case LST_TRANS_TSBCLIQRY:
1031 case LST_TRANS_TSBSRVQRY:
1032 rc = lstcon_batrpc_prep(nd, transop,
1033 (lstcon_tsb_hdr_t *)arg, &rpc);
1035 case LST_TRANS_STATQRY:
1036 rc = lstcon_statrpc_prep(nd, &rpc);
1044 CERROR("Failed to create RPC for transaction %s: %d\n",
1045 lstcon_rpc_trans_name(transop), rc);
1049 lstcon_rpc_trans_addreq(trans, rpc);
1057 lstcon_rpc_trans_destroy(trans);
1063 lstcon_rpc_pinger(void *arg)
1065 stt_timer_t *ptimer = (stt_timer_t *)arg;
1066 lstcon_rpc_trans_t *trans;
1069 srpc_debug_reqst_t *drq;
1070 lstcon_ndlink_t *ndl;
1076 /* RPC pinger is a special case of transaction,
1077 * it's called by timer at 8 seconds interval.
1079 mutex_down(&console_session.ses_mutex);
1081 if (console_session.ses_shutdown || console_session.ses_expired) {
1082 mutex_up(&console_session.ses_mutex);
1086 if (!console_session.ses_expired &&
1087 cfs_time_current_sec() - console_session.ses_laststamp >
1088 console_session.ses_timeout)
1089 console_session.ses_expired = 1;
1091 trans = console_session.ses_ping;
1093 LASSERT (trans != NULL);
1095 list_for_each_entry(ndl, &console_session.ses_ndl_list, ndl_link) {
1098 if (console_session.ses_expired) {
1099 /* idle console, end session on all nodes */
1100 if (nd->nd_state != LST_NODE_ACTIVE)
1103 rc = lstcon_sesrpc_prep(nd, LST_TRANS_SESEND, &crpc);
1105 CERROR("Out of memory\n");
1109 lstcon_rpc_trans_addreq(trans, crpc);
1110 lstcon_rpc_post(crpc);
1115 crpc = &nd->nd_ping;
1117 if (crpc->crp_rpc != NULL) {
1118 LASSERT (crpc->crp_trans == trans);
1119 LASSERT (!list_empty(&crpc->crp_link));
1121 spin_lock(&crpc->crp_rpc->crpc_lock);
1123 LASSERT (crpc->crp_posted);
1125 if (!crpc->crp_finished) {
1127 spin_unlock(&crpc->crp_rpc->crpc_lock);
1131 spin_unlock(&crpc->crp_rpc->crpc_lock);
1133 lstcon_rpc_get_reply(crpc, &rep);
1135 list_del_init(&crpc->crp_link);
1137 lstcon_rpc_put(crpc);
1140 if (nd->nd_state != LST_NODE_ACTIVE)
1143 intv = cfs_duration_sec(cfs_time_sub(cfs_time_current(),
1145 if (intv < nd->nd_timeout / 2)
1148 rc = lstcon_rpc_init(nd, SRPC_SERVICE_DEBUG, 0, 0, crpc);
1150 CERROR("Out of memory\n");
1154 drq = &crpc->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
1156 drq->dbg_sid = console_session.ses_id;
1159 lstcon_rpc_trans_addreq(trans, crpc);
1160 lstcon_rpc_post(crpc);
1165 if (console_session.ses_expired) {
1166 mutex_up(&console_session.ses_mutex);
1170 CDEBUG(D_NET, "Ping %d nodes in session\n", count);
1172 ptimer->stt_expires = cfs_time_current_sec() + LST_PING_INTERVAL;
1173 stt_add_timer(ptimer);
1175 mutex_up(&console_session.ses_mutex);
1179 lstcon_rpc_pinger_start(void)
1181 stt_timer_t *ptimer;
1184 LASSERT (console_session.ses_rpc_pending == 0);
1185 LASSERT (list_empty(&console_session.ses_rpc_list));
1186 LASSERT (list_empty(&console_session.ses_rpc_freelist));
1188 rc = lstcon_rpc_trans_prep(NULL, LST_TRANS_SESPING,
1189 &console_session.ses_ping);
1191 CERROR("Failed to create console pinger\n");
1195 ptimer = &console_session.ses_ping_timer;
1196 ptimer->stt_expires = cfs_time_current_sec() + LST_PING_INTERVAL;
1198 stt_add_timer(ptimer);
1204 lstcon_rpc_pinger_stop(void)
1206 LASSERT (console_session.ses_shutdown);
1208 stt_del_timer(&console_session.ses_ping_timer);
1210 lstcon_rpc_trans_abort(console_session.ses_ping, -ESHUTDOWN);
1211 lstcon_rpc_trans_stat(console_session.ses_ping, lstcon_trans_stat());
1212 lstcon_rpc_trans_destroy(console_session.ses_ping);
1214 memset(lstcon_trans_stat(), 0, sizeof(lstcon_trans_stat_t));
1216 console_session.ses_ping = NULL;
1220 lstcon_rpc_cleanup_wait(void)
1222 lstcon_rpc_trans_t *trans;
1224 struct list_head *pacer;
1225 struct list_head zlist;
1227 LASSERT (console_session.ses_shutdown);
1229 while (!list_empty(&console_session.ses_trans_list)) {
1230 list_for_each(pacer, &console_session.ses_trans_list) {
1231 trans = list_entry(pacer, lstcon_rpc_trans_t, tas_link);
1232 cfs_waitq_signal(&trans->tas_waitq);
1234 CDEBUG(D_NET, "Session closed, wakeup transaction %s\n",
1235 lstcon_rpc_trans_name(trans->tas_opc));
1238 mutex_up(&console_session.ses_mutex);
1240 CWARN("Session is shutting down, close all transactions\n");
1241 cfs_pause(cfs_time_seconds(1));
1243 mutex_down(&console_session.ses_mutex);
1246 spin_lock(&console_session.ses_rpc_lock);
1248 lst_wait_until(list_empty(&console_session.ses_rpc_list),
1249 console_session.ses_rpc_lock,
1250 "Network is not accessable or target is down, "
1251 "waiting for %d console rpcs to die\n",
1252 console_session.ses_rpc_pending);
1254 list_add(&zlist, &console_session.ses_rpc_freelist);
1255 list_del_init(&console_session.ses_rpc_freelist);
1257 spin_unlock(&console_session.ses_rpc_lock);
1259 LASSERT (console_session.ses_rpc_pending == 0);
1261 while (!list_empty(&zlist)) {
1262 crpc = list_entry(zlist.next, lstcon_rpc_t, crp_link);
1264 list_del(&crpc->crp_link);
1265 LIBCFS_FREE(crpc, sizeof(lstcon_rpc_t));
1270 lstcon_rpc_module_init(void)
1272 CFS_INIT_LIST_HEAD(&console_session.ses_ping_timer.stt_list);
1273 console_session.ses_ping_timer.stt_func = lstcon_rpc_pinger;
1274 console_session.ses_ping_timer.stt_data = &console_session.ses_ping_timer;
1276 console_session.ses_ping = NULL;
1277 console_session.ses_rpc_pending = 0;
1278 spin_lock_init(&console_session.ses_rpc_lock);
1279 CFS_INIT_LIST_HEAD(&console_session.ses_rpc_list);
1280 CFS_INIT_LIST_HEAD(&console_session.ses_rpc_freelist);
1286 lstcon_rpc_module_fini(void)
1288 LASSERT (console_session.ses_rpc_pending == 0);
1289 LASSERT (list_empty(&console_session.ses_rpc_list));
1290 LASSERT (list_empty(&console_session.ses_rpc_freelist));