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33 * This file is part of Lustre, http://www.lustre.org/
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36 * lnet/selftest/conctl.c
38 * Console framework rpcs
40 * Author: Liang Zhen <liang@whamcloud.com>
44 #include "../../include/linux/libcfs/libcfs.h"
45 #include "../../include/linux/lnet/lib-lnet.h"
50 void lstcon_rpc_stat_reply(lstcon_rpc_trans_t *, srpc_msg_t *,
51 lstcon_node_t *, lstcon_trans_stat_t *);
54 lstcon_rpc_done(srpc_client_rpc_t *rpc)
56 lstcon_rpc_t *crpc = (lstcon_rpc_t *)rpc->crpc_priv;
58 LASSERT(crpc != NULL && rpc == crpc->crp_rpc);
59 LASSERT(crpc->crp_posted && !crpc->crp_finished);
61 spin_lock(&rpc->crpc_lock);
63 if (crpc->crp_trans == NULL) {
64 /* Orphan RPC is not in any transaction,
65 * I'm just a poor body and nobody loves me */
66 spin_unlock(&rpc->crpc_lock);
73 /* not an orphan RPC */
74 crpc->crp_finished = 1;
76 if (crpc->crp_stamp == 0) {
78 LASSERT(crpc->crp_status == 0);
80 crpc->crp_stamp = cfs_time_current();
81 crpc->crp_status = rpc->crpc_status;
84 /* wakeup (transaction)thread if I'm the last RPC in the transaction */
85 if (atomic_dec_and_test(&crpc->crp_trans->tas_remaining))
86 wake_up(&crpc->crp_trans->tas_waitq);
88 spin_unlock(&rpc->crpc_lock);
92 lstcon_rpc_init(lstcon_node_t *nd, int service, unsigned feats,
93 int bulk_npg, int bulk_len, int embedded, lstcon_rpc_t *crpc)
95 crpc->crp_rpc = sfw_create_rpc(nd->nd_id, service,
96 feats, bulk_npg, bulk_len,
97 lstcon_rpc_done, (void *)crpc);
98 if (crpc->crp_rpc == NULL)
101 crpc->crp_trans = NULL;
103 crpc->crp_posted = 0;
104 crpc->crp_finished = 0;
105 crpc->crp_unpacked = 0;
106 crpc->crp_status = 0;
108 crpc->crp_embedded = embedded;
109 INIT_LIST_HEAD(&crpc->crp_link);
111 atomic_inc(&console_session.ses_rpc_counter);
117 lstcon_rpc_prep(lstcon_node_t *nd, int service, unsigned feats,
118 int bulk_npg, int bulk_len, lstcon_rpc_t **crpcpp)
120 lstcon_rpc_t *crpc = NULL;
123 spin_lock(&console_session.ses_rpc_lock);
125 if (!list_empty(&console_session.ses_rpc_freelist)) {
126 crpc = list_entry(console_session.ses_rpc_freelist.next,
127 lstcon_rpc_t, crp_link);
128 list_del_init(&crpc->crp_link);
131 spin_unlock(&console_session.ses_rpc_lock);
134 LIBCFS_ALLOC(crpc, sizeof(*crpc));
139 rc = lstcon_rpc_init(nd, service, feats, bulk_npg, bulk_len, 0, crpc);
145 LIBCFS_FREE(crpc, sizeof(*crpc));
151 lstcon_rpc_put(lstcon_rpc_t *crpc)
153 srpc_bulk_t *bulk = &crpc->crp_rpc->crpc_bulk;
156 LASSERT(list_empty(&crpc->crp_link));
158 for (i = 0; i < bulk->bk_niov; i++) {
159 if (bulk->bk_iovs[i].kiov_page == NULL)
162 __free_page(bulk->bk_iovs[i].kiov_page);
165 srpc_client_rpc_decref(crpc->crp_rpc);
167 if (crpc->crp_embedded) {
168 /* embedded RPC, don't recycle it */
169 memset(crpc, 0, sizeof(*crpc));
170 crpc->crp_embedded = 1;
173 spin_lock(&console_session.ses_rpc_lock);
175 list_add(&crpc->crp_link,
176 &console_session.ses_rpc_freelist);
178 spin_unlock(&console_session.ses_rpc_lock);
181 /* RPC is not alive now */
182 atomic_dec(&console_session.ses_rpc_counter);
186 lstcon_rpc_post(lstcon_rpc_t *crpc)
188 lstcon_rpc_trans_t *trans = crpc->crp_trans;
190 LASSERT(trans != NULL);
192 atomic_inc(&trans->tas_remaining);
193 crpc->crp_posted = 1;
195 sfw_post_rpc(crpc->crp_rpc);
199 lstcon_rpc_trans_name(int transop)
201 if (transop == LST_TRANS_SESNEW)
204 if (transop == LST_TRANS_SESEND)
207 if (transop == LST_TRANS_SESQRY)
210 if (transop == LST_TRANS_SESPING)
213 if (transop == LST_TRANS_TSBCLIADD)
216 if (transop == LST_TRANS_TSBSRVADD)
219 if (transop == LST_TRANS_TSBRUN)
222 if (transop == LST_TRANS_TSBSTOP)
225 if (transop == LST_TRANS_TSBCLIQRY)
228 if (transop == LST_TRANS_TSBSRVQRY)
231 if (transop == LST_TRANS_STATQRY)
238 lstcon_rpc_trans_prep(struct list_head *translist,
239 int transop, lstcon_rpc_trans_t **transpp)
241 lstcon_rpc_trans_t *trans;
243 if (translist != NULL) {
244 list_for_each_entry(trans, translist, tas_link) {
245 /* Can't enqueue two private transaction on
247 if ((trans->tas_opc & transop) == LST_TRANS_PRIVATE)
252 /* create a trans group */
253 LIBCFS_ALLOC(trans, sizeof(*trans));
257 trans->tas_opc = transop;
259 if (translist == NULL)
260 INIT_LIST_HEAD(&trans->tas_olink);
262 list_add_tail(&trans->tas_olink, translist);
264 list_add_tail(&trans->tas_link, &console_session.ses_trans_list);
266 INIT_LIST_HEAD(&trans->tas_rpcs_list);
267 atomic_set(&trans->tas_remaining, 0);
268 init_waitqueue_head(&trans->tas_waitq);
270 spin_lock(&console_session.ses_rpc_lock);
271 trans->tas_features = console_session.ses_features;
272 spin_unlock(&console_session.ses_rpc_lock);
279 lstcon_rpc_trans_addreq(lstcon_rpc_trans_t *trans, lstcon_rpc_t *crpc)
281 list_add_tail(&crpc->crp_link, &trans->tas_rpcs_list);
282 crpc->crp_trans = trans;
286 lstcon_rpc_trans_abort(lstcon_rpc_trans_t *trans, int error)
288 srpc_client_rpc_t *rpc;
292 list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
295 spin_lock(&rpc->crpc_lock);
297 if (!crpc->crp_posted || /* not posted */
298 crpc->crp_stamp != 0) { /* rpc done or aborted already */
299 if (crpc->crp_stamp == 0) {
300 crpc->crp_stamp = cfs_time_current();
301 crpc->crp_status = -EINTR;
303 spin_unlock(&rpc->crpc_lock);
307 crpc->crp_stamp = cfs_time_current();
308 crpc->crp_status = error;
310 spin_unlock(&rpc->crpc_lock);
314 if (error != ETIMEDOUT)
318 if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp))
321 nd->nd_stamp = crpc->crp_stamp;
322 nd->nd_state = LST_NODE_DOWN;
327 lstcon_rpc_trans_check(lstcon_rpc_trans_t *trans)
329 if (console_session.ses_shutdown &&
330 !list_empty(&trans->tas_olink)) /* Not an end session RPC */
333 return (atomic_read(&trans->tas_remaining) == 0) ? 1 : 0;
337 lstcon_rpc_trans_postwait(lstcon_rpc_trans_t *trans, int timeout)
342 if (list_empty(&trans->tas_rpcs_list))
345 if (timeout < LST_TRANS_MIN_TIMEOUT)
346 timeout = LST_TRANS_MIN_TIMEOUT;
348 CDEBUG(D_NET, "Transaction %s started\n",
349 lstcon_rpc_trans_name(trans->tas_opc));
351 /* post all requests */
352 list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
353 LASSERT(!crpc->crp_posted);
355 lstcon_rpc_post(crpc);
358 mutex_unlock(&console_session.ses_mutex);
360 rc = wait_event_interruptible_timeout(trans->tas_waitq,
361 lstcon_rpc_trans_check(trans),
362 cfs_time_seconds(timeout));
363 rc = (rc > 0) ? 0 : ((rc < 0) ? -EINTR : -ETIMEDOUT);
365 mutex_lock(&console_session.ses_mutex);
367 if (console_session.ses_shutdown)
370 if (rc != 0 || atomic_read(&trans->tas_remaining) != 0) {
371 /* treat short timeout as canceled */
372 if (rc == -ETIMEDOUT && timeout < LST_TRANS_MIN_TIMEOUT * 2)
375 lstcon_rpc_trans_abort(trans, rc);
378 CDEBUG(D_NET, "Transaction %s stopped: %d\n",
379 lstcon_rpc_trans_name(trans->tas_opc), rc);
381 lstcon_rpc_trans_stat(trans, lstcon_trans_stat());
387 lstcon_rpc_get_reply(lstcon_rpc_t *crpc, srpc_msg_t **msgpp)
389 lstcon_node_t *nd = crpc->crp_node;
390 srpc_client_rpc_t *rpc = crpc->crp_rpc;
391 srpc_generic_reply_t *rep;
393 LASSERT(nd != NULL && rpc != NULL);
394 LASSERT(crpc->crp_stamp != 0);
396 if (crpc->crp_status != 0) {
398 return crpc->crp_status;
401 *msgpp = &rpc->crpc_replymsg;
402 if (!crpc->crp_unpacked) {
403 sfw_unpack_message(*msgpp);
404 crpc->crp_unpacked = 1;
407 if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp))
410 nd->nd_stamp = crpc->crp_stamp;
411 rep = &(*msgpp)->msg_body.reply;
413 if (rep->sid.ses_nid == LNET_NID_ANY)
414 nd->nd_state = LST_NODE_UNKNOWN;
415 else if (lstcon_session_match(rep->sid))
416 nd->nd_state = LST_NODE_ACTIVE;
418 nd->nd_state = LST_NODE_BUSY;
424 lstcon_rpc_trans_stat(lstcon_rpc_trans_t *trans, lstcon_trans_stat_t *stat)
430 LASSERT(stat != NULL);
432 memset(stat, 0, sizeof(*stat));
434 list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
435 lstcon_rpc_stat_total(stat, 1);
437 LASSERT(crpc->crp_stamp != 0);
439 error = lstcon_rpc_get_reply(crpc, &rep);
441 lstcon_rpc_stat_failure(stat, 1);
442 if (stat->trs_rpc_errno == 0)
443 stat->trs_rpc_errno = -error;
448 lstcon_rpc_stat_success(stat, 1);
450 lstcon_rpc_stat_reply(trans, rep, crpc->crp_node, stat);
453 if (trans->tas_opc == LST_TRANS_SESNEW && stat->trs_fwk_errno == 0) {
454 stat->trs_fwk_errno =
455 lstcon_session_feats_check(trans->tas_features);
458 CDEBUG(D_NET, "transaction %s : success %d, failure %d, total %d, RPC error(%d), Framework error(%d)\n",
459 lstcon_rpc_trans_name(trans->tas_opc),
460 lstcon_rpc_stat_success(stat, 0),
461 lstcon_rpc_stat_failure(stat, 0),
462 lstcon_rpc_stat_total(stat, 0),
463 stat->trs_rpc_errno, stat->trs_fwk_errno);
469 lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t *trans,
470 struct list_head *head_up,
471 lstcon_rpc_readent_func_t readent)
473 struct list_head tmp;
474 struct list_head *next;
475 lstcon_rpc_ent_t *ent;
476 srpc_generic_reply_t *rep;
484 LASSERT(head_up != NULL);
488 list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
489 if (copy_from_user(&tmp, next,
490 sizeof(struct list_head)))
493 if (tmp.next == head_up)
498 ent = list_entry(next, lstcon_rpc_ent_t, rpe_link);
500 LASSERT(crpc->crp_stamp != 0);
502 error = lstcon_rpc_get_reply(crpc, &msg);
506 dur = (long)cfs_time_sub(crpc->crp_stamp,
507 (unsigned long)console_session.ses_id.ses_stamp);
508 cfs_duration_usec(dur, &tv);
510 if (copy_to_user(&ent->rpe_peer,
511 &nd->nd_id, sizeof(lnet_process_id_t)) ||
512 copy_to_user(&ent->rpe_stamp, &tv, sizeof(tv)) ||
513 copy_to_user(&ent->rpe_state,
514 &nd->nd_state, sizeof(nd->nd_state)) ||
515 copy_to_user(&ent->rpe_rpc_errno, &error,
523 rep = (srpc_generic_reply_t *)&msg->msg_body.reply;
525 if (copy_to_user(&ent->rpe_sid,
526 &rep->sid, sizeof(lst_sid_t)) ||
527 copy_to_user(&ent->rpe_fwk_errno,
528 &rep->status, sizeof(rep->status)))
534 error = readent(trans->tas_opc, msg, ent);
544 lstcon_rpc_trans_destroy(lstcon_rpc_trans_t *trans)
546 srpc_client_rpc_t *rpc;
551 list_for_each_entry_safe(crpc, tmp, &trans->tas_rpcs_list,
555 spin_lock(&rpc->crpc_lock);
557 /* free it if not posted or finished already */
558 if (!crpc->crp_posted || crpc->crp_finished) {
559 spin_unlock(&rpc->crpc_lock);
561 list_del_init(&crpc->crp_link);
562 lstcon_rpc_put(crpc);
567 /* rpcs can be still not callbacked (even LNetMDUnlink is called)
568 * because huge timeout for inaccessible network, don't make
569 * user wait for them, just abandon them, they will be recycled
572 LASSERT(crpc->crp_status != 0);
574 crpc->crp_node = NULL;
575 crpc->crp_trans = NULL;
576 list_del_init(&crpc->crp_link);
579 spin_unlock(&rpc->crpc_lock);
581 atomic_dec(&trans->tas_remaining);
584 LASSERT(atomic_read(&trans->tas_remaining) == 0);
586 list_del(&trans->tas_link);
587 if (!list_empty(&trans->tas_olink))
588 list_del(&trans->tas_olink);
590 CDEBUG(D_NET, "Transaction %s destroyed with %d pending RPCs\n",
591 lstcon_rpc_trans_name(trans->tas_opc), count);
593 LIBCFS_FREE(trans, sizeof(*trans));
599 lstcon_sesrpc_prep(lstcon_node_t *nd, int transop,
600 unsigned feats, lstcon_rpc_t **crpc)
602 srpc_mksn_reqst_t *msrq;
603 srpc_rmsn_reqst_t *rsrq;
607 case LST_TRANS_SESNEW:
608 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_MAKE_SESSION,
613 msrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.mksn_reqst;
614 msrq->mksn_sid = console_session.ses_id;
615 msrq->mksn_force = console_session.ses_force;
616 strncpy(msrq->mksn_name, console_session.ses_name,
617 strlen(console_session.ses_name));
620 case LST_TRANS_SESEND:
621 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_REMOVE_SESSION,
626 rsrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.rmsn_reqst;
627 rsrq->rmsn_sid = console_session.ses_id;
638 lstcon_dbgrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc)
640 srpc_debug_reqst_t *drq;
643 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_DEBUG, feats, 0, 0, crpc);
647 drq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
649 drq->dbg_sid = console_session.ses_id;
656 lstcon_batrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
657 lstcon_tsb_hdr_t *tsb, lstcon_rpc_t **crpc)
659 lstcon_batch_t *batch;
660 srpc_batch_reqst_t *brq;
663 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_BATCH, feats, 0, 0, crpc);
667 brq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.bat_reqst;
669 brq->bar_sid = console_session.ses_id;
670 brq->bar_bid = tsb->tsb_id;
671 brq->bar_testidx = tsb->tsb_index;
672 brq->bar_opc = transop == LST_TRANS_TSBRUN ? SRPC_BATCH_OPC_RUN :
673 (transop == LST_TRANS_TSBSTOP ? SRPC_BATCH_OPC_STOP :
674 SRPC_BATCH_OPC_QUERY);
676 if (transop != LST_TRANS_TSBRUN &&
677 transop != LST_TRANS_TSBSTOP)
680 LASSERT(tsb->tsb_index == 0);
682 batch = (lstcon_batch_t *)tsb;
683 brq->bar_arg = batch->bat_arg;
689 lstcon_statrpc_prep(lstcon_node_t *nd, unsigned feats, lstcon_rpc_t **crpc)
691 srpc_stat_reqst_t *srq;
694 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_QUERY_STAT, feats, 0, 0, crpc);
698 srq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.stat_reqst;
700 srq->str_sid = console_session.ses_id;
701 srq->str_type = 0; /* XXX remove it */
706 static lnet_process_id_packed_t *
707 lstcon_next_id(int idx, int nkiov, lnet_kiov_t *kiov)
709 lnet_process_id_packed_t *pid;
712 i = idx / SFW_ID_PER_PAGE;
716 pid = (lnet_process_id_packed_t *)page_address(kiov[i].kiov_page);
718 return &pid[idx % SFW_ID_PER_PAGE];
722 lstcon_dstnodes_prep(lstcon_group_t *grp, int idx,
723 int dist, int span, int nkiov, lnet_kiov_t *kiov)
725 lnet_process_id_packed_t *pid;
726 lstcon_ndlink_t *ndl;
734 LASSERT(grp->grp_nnode >= 1);
736 if (span > grp->grp_nnode)
739 start = ((idx / dist) * span) % grp->grp_nnode;
740 end = ((idx / dist) * span + span - 1) % grp->grp_nnode;
742 list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) {
749 if (i > (end >= start ? end : grp->grp_nnode))
752 pid = lstcon_next_id((i - start), nkiov, kiov);
753 pid->nid = nd->nd_id.nid;
754 pid->pid = nd->nd_id.pid;
758 if (start <= end) /* done */
761 list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) {
762 if (i > grp->grp_nnode + end)
766 pid = lstcon_next_id((i - start), nkiov, kiov);
767 pid->nid = nd->nd_id.nid;
768 pid->pid = nd->nd_id.pid;
776 lstcon_pingrpc_prep(lst_test_ping_param_t *param, srpc_test_reqst_t *req)
778 test_ping_req_t *prq = &req->tsr_u.ping;
780 prq->png_size = param->png_size;
781 prq->png_flags = param->png_flags;
787 lstcon_bulkrpc_v0_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req)
789 test_bulk_req_t *brq = &req->tsr_u.bulk_v0;
791 brq->blk_opc = param->blk_opc;
792 brq->blk_npg = (param->blk_size + PAGE_CACHE_SIZE - 1) / PAGE_CACHE_SIZE;
793 brq->blk_flags = param->blk_flags;
799 lstcon_bulkrpc_v1_prep(lst_test_bulk_param_t *param, srpc_test_reqst_t *req)
801 test_bulk_req_v1_t *brq = &req->tsr_u.bulk_v1;
803 brq->blk_opc = param->blk_opc;
804 brq->blk_flags = param->blk_flags;
805 brq->blk_len = param->blk_size;
806 brq->blk_offset = 0; /* reserved */
812 lstcon_testrpc_prep(lstcon_node_t *nd, int transop, unsigned feats,
813 lstcon_test_t *test, lstcon_rpc_t **crpc)
815 lstcon_group_t *sgrp = test->tes_src_grp;
816 lstcon_group_t *dgrp = test->tes_dst_grp;
817 srpc_test_reqst_t *trq;
824 if (transop == LST_TRANS_TSBCLIADD) {
825 npg = sfw_id_pages(test->tes_span);
826 nob = (feats & LST_FEAT_BULK_LEN) == 0 ?
827 npg * PAGE_CACHE_SIZE :
828 sizeof(lnet_process_id_packed_t) * test->tes_span;
831 rc = lstcon_rpc_prep(nd, SRPC_SERVICE_TEST, feats, npg, nob, crpc);
835 trq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.tes_reqst;
837 if (transop == LST_TRANS_TSBSRVADD) {
838 int ndist = (sgrp->grp_nnode + test->tes_dist - 1) / test->tes_dist;
839 int nspan = (dgrp->grp_nnode + test->tes_span - 1) / test->tes_span;
840 int nmax = (ndist + nspan - 1) / nspan;
843 trq->tsr_loop = nmax * test->tes_dist * test->tes_concur;
846 bulk = &(*crpc)->crp_rpc->crpc_bulk;
848 for (i = 0; i < npg; i++) {
853 len = (feats & LST_FEAT_BULK_LEN) == 0 ?
854 PAGE_CACHE_SIZE : min_t(int, nob, PAGE_CACHE_SIZE);
857 bulk->bk_iovs[i].kiov_offset = 0;
858 bulk->bk_iovs[i].kiov_len = len;
859 bulk->bk_iovs[i].kiov_page =
860 alloc_page(GFP_IOFS);
862 if (bulk->bk_iovs[i].kiov_page == NULL) {
863 lstcon_rpc_put(*crpc);
870 LASSERT(transop == LST_TRANS_TSBCLIADD);
872 rc = lstcon_dstnodes_prep(test->tes_dst_grp,
876 npg, &bulk->bk_iovs[0]);
878 lstcon_rpc_put(*crpc);
882 trq->tsr_ndest = test->tes_span;
883 trq->tsr_loop = test->tes_loop;
886 trq->tsr_sid = console_session.ses_id;
887 trq->tsr_bid = test->tes_hdr.tsb_id;
888 trq->tsr_concur = test->tes_concur;
889 trq->tsr_is_client = (transop == LST_TRANS_TSBCLIADD) ? 1 : 0;
890 trq->tsr_stop_onerr = !!test->tes_stop_onerr;
892 switch (test->tes_type) {
894 trq->tsr_service = SRPC_SERVICE_PING;
895 rc = lstcon_pingrpc_prep((lst_test_ping_param_t *)
896 &test->tes_param[0], trq);
900 trq->tsr_service = SRPC_SERVICE_BRW;
901 if ((feats & LST_FEAT_BULK_LEN) == 0) {
902 rc = lstcon_bulkrpc_v0_prep((lst_test_bulk_param_t *)
903 &test->tes_param[0], trq);
905 rc = lstcon_bulkrpc_v1_prep((lst_test_bulk_param_t *)
906 &test->tes_param[0], trq);
919 lstcon_sesnew_stat_reply(lstcon_rpc_trans_t *trans,
920 lstcon_node_t *nd, srpc_msg_t *reply)
922 srpc_mksn_reply_t *mksn_rep = &reply->msg_body.mksn_reply;
923 int status = mksn_rep->mksn_status;
926 (reply->msg_ses_feats & ~LST_FEATS_MASK) != 0) {
927 mksn_rep->mksn_status = EPROTO;
931 if (status == EPROTO) {
932 CNETERR("session protocol error from %s: %u\n",
933 libcfs_nid2str(nd->nd_id.nid),
934 reply->msg_ses_feats);
940 if (!trans->tas_feats_updated) {
941 trans->tas_feats_updated = 1;
942 trans->tas_features = reply->msg_ses_feats;
945 if (reply->msg_ses_feats != trans->tas_features) {
946 CNETERR("Framework features %x from %s is different with features on this transaction: %x\n",
947 reply->msg_ses_feats, libcfs_nid2str(nd->nd_id.nid),
948 trans->tas_features);
949 status = mksn_rep->mksn_status = EPROTO;
953 /* session timeout on remote node */
954 nd->nd_timeout = mksn_rep->mksn_timeout;
961 lstcon_rpc_stat_reply(lstcon_rpc_trans_t *trans, srpc_msg_t *msg,
962 lstcon_node_t *nd, lstcon_trans_stat_t *stat)
964 srpc_rmsn_reply_t *rmsn_rep;
965 srpc_debug_reply_t *dbg_rep;
966 srpc_batch_reply_t *bat_rep;
967 srpc_test_reply_t *test_rep;
968 srpc_stat_reply_t *stat_rep;
971 switch (trans->tas_opc) {
972 case LST_TRANS_SESNEW:
973 rc = lstcon_sesnew_stat_reply(trans, nd, msg);
975 lstcon_sesop_stat_success(stat, 1);
979 lstcon_sesop_stat_failure(stat, 1);
982 case LST_TRANS_SESEND:
983 rmsn_rep = &msg->msg_body.rmsn_reply;
984 /* ESRCH is not an error for end session */
985 if (rmsn_rep->rmsn_status == 0 ||
986 rmsn_rep->rmsn_status == ESRCH) {
987 lstcon_sesop_stat_success(stat, 1);
991 lstcon_sesop_stat_failure(stat, 1);
992 rc = rmsn_rep->rmsn_status;
995 case LST_TRANS_SESQRY:
996 case LST_TRANS_SESPING:
997 dbg_rep = &msg->msg_body.dbg_reply;
999 if (dbg_rep->dbg_status == ESRCH) {
1000 lstcon_sesqry_stat_unknown(stat, 1);
1004 if (lstcon_session_match(dbg_rep->dbg_sid))
1005 lstcon_sesqry_stat_active(stat, 1);
1007 lstcon_sesqry_stat_busy(stat, 1);
1010 case LST_TRANS_TSBRUN:
1011 case LST_TRANS_TSBSTOP:
1012 bat_rep = &msg->msg_body.bat_reply;
1014 if (bat_rep->bar_status == 0) {
1015 lstcon_tsbop_stat_success(stat, 1);
1019 if (bat_rep->bar_status == EPERM &&
1020 trans->tas_opc == LST_TRANS_TSBSTOP) {
1021 lstcon_tsbop_stat_success(stat, 1);
1025 lstcon_tsbop_stat_failure(stat, 1);
1026 rc = bat_rep->bar_status;
1029 case LST_TRANS_TSBCLIQRY:
1030 case LST_TRANS_TSBSRVQRY:
1031 bat_rep = &msg->msg_body.bat_reply;
1033 if (bat_rep->bar_active != 0)
1034 lstcon_tsbqry_stat_run(stat, 1);
1036 lstcon_tsbqry_stat_idle(stat, 1);
1038 if (bat_rep->bar_status == 0)
1041 lstcon_tsbqry_stat_failure(stat, 1);
1042 rc = bat_rep->bar_status;
1045 case LST_TRANS_TSBCLIADD:
1046 case LST_TRANS_TSBSRVADD:
1047 test_rep = &msg->msg_body.tes_reply;
1049 if (test_rep->tsr_status == 0) {
1050 lstcon_tsbop_stat_success(stat, 1);
1054 lstcon_tsbop_stat_failure(stat, 1);
1055 rc = test_rep->tsr_status;
1058 case LST_TRANS_STATQRY:
1059 stat_rep = &msg->msg_body.stat_reply;
1061 if (stat_rep->str_status == 0) {
1062 lstcon_statqry_stat_success(stat, 1);
1066 lstcon_statqry_stat_failure(stat, 1);
1067 rc = stat_rep->str_status;
1074 if (stat->trs_fwk_errno == 0)
1075 stat->trs_fwk_errno = rc;
1081 lstcon_rpc_trans_ndlist(struct list_head *ndlist,
1082 struct list_head *translist, int transop,
1083 void *arg, lstcon_rpc_cond_func_t condition,
1084 lstcon_rpc_trans_t **transpp)
1086 lstcon_rpc_trans_t *trans;
1087 lstcon_ndlink_t *ndl;
1093 /* Creating session RPG for list of nodes */
1095 rc = lstcon_rpc_trans_prep(translist, transop, &trans);
1097 CERROR("Can't create transaction %d: %d\n", transop, rc);
1101 feats = trans->tas_features;
1102 list_for_each_entry(ndl, ndlist, ndl_link) {
1103 rc = condition == NULL ? 1 :
1104 condition(transop, ndl->ndl_node, arg);
1110 CDEBUG(D_NET, "Condition error while creating RPC for transaction %d: %d\n",
1118 case LST_TRANS_SESNEW:
1119 case LST_TRANS_SESEND:
1120 rc = lstcon_sesrpc_prep(nd, transop, feats, &rpc);
1122 case LST_TRANS_SESQRY:
1123 case LST_TRANS_SESPING:
1124 rc = lstcon_dbgrpc_prep(nd, feats, &rpc);
1126 case LST_TRANS_TSBCLIADD:
1127 case LST_TRANS_TSBSRVADD:
1128 rc = lstcon_testrpc_prep(nd, transop, feats,
1129 (lstcon_test_t *)arg, &rpc);
1131 case LST_TRANS_TSBRUN:
1132 case LST_TRANS_TSBSTOP:
1133 case LST_TRANS_TSBCLIQRY:
1134 case LST_TRANS_TSBSRVQRY:
1135 rc = lstcon_batrpc_prep(nd, transop, feats,
1136 (lstcon_tsb_hdr_t *)arg, &rpc);
1138 case LST_TRANS_STATQRY:
1139 rc = lstcon_statrpc_prep(nd, feats, &rpc);
1147 CERROR("Failed to create RPC for transaction %s: %d\n",
1148 lstcon_rpc_trans_name(transop), rc);
1152 lstcon_rpc_trans_addreq(trans, rpc);
1160 lstcon_rpc_trans_destroy(trans);
1166 lstcon_rpc_pinger(void *arg)
1168 stt_timer_t *ptimer = (stt_timer_t *)arg;
1169 lstcon_rpc_trans_t *trans;
1172 srpc_debug_reqst_t *drq;
1173 lstcon_ndlink_t *ndl;
1179 /* RPC pinger is a special case of transaction,
1180 * it's called by timer at 8 seconds interval.
1182 mutex_lock(&console_session.ses_mutex);
1184 if (console_session.ses_shutdown || console_session.ses_expired) {
1185 mutex_unlock(&console_session.ses_mutex);
1189 if (!console_session.ses_expired &&
1190 get_seconds() - console_session.ses_laststamp >
1191 (time_t)console_session.ses_timeout)
1192 console_session.ses_expired = 1;
1194 trans = console_session.ses_ping;
1196 LASSERT(trans != NULL);
1198 list_for_each_entry(ndl, &console_session.ses_ndl_list, ndl_link) {
1201 if (console_session.ses_expired) {
1202 /* idle console, end session on all nodes */
1203 if (nd->nd_state != LST_NODE_ACTIVE)
1206 rc = lstcon_sesrpc_prep(nd, LST_TRANS_SESEND,
1207 trans->tas_features, &crpc);
1209 CERROR("Out of memory\n");
1213 lstcon_rpc_trans_addreq(trans, crpc);
1214 lstcon_rpc_post(crpc);
1219 crpc = &nd->nd_ping;
1221 if (crpc->crp_rpc != NULL) {
1222 LASSERT(crpc->crp_trans == trans);
1223 LASSERT(!list_empty(&crpc->crp_link));
1225 spin_lock(&crpc->crp_rpc->crpc_lock);
1227 LASSERT(crpc->crp_posted);
1229 if (!crpc->crp_finished) {
1231 spin_unlock(&crpc->crp_rpc->crpc_lock);
1235 spin_unlock(&crpc->crp_rpc->crpc_lock);
1237 lstcon_rpc_get_reply(crpc, &rep);
1239 list_del_init(&crpc->crp_link);
1241 lstcon_rpc_put(crpc);
1244 if (nd->nd_state != LST_NODE_ACTIVE)
1247 intv = cfs_duration_sec(cfs_time_sub(cfs_time_current(),
1249 if (intv < (time_t)nd->nd_timeout / 2)
1252 rc = lstcon_rpc_init(nd, SRPC_SERVICE_DEBUG,
1253 trans->tas_features, 0, 0, 1, crpc);
1255 CERROR("Out of memory\n");
1259 drq = &crpc->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
1261 drq->dbg_sid = console_session.ses_id;
1264 lstcon_rpc_trans_addreq(trans, crpc);
1265 lstcon_rpc_post(crpc);
1270 if (console_session.ses_expired) {
1271 mutex_unlock(&console_session.ses_mutex);
1275 CDEBUG(D_NET, "Ping %d nodes in session\n", count);
1277 ptimer->stt_expires = (unsigned long)(get_seconds() + LST_PING_INTERVAL);
1278 stt_add_timer(ptimer);
1280 mutex_unlock(&console_session.ses_mutex);
1284 lstcon_rpc_pinger_start(void)
1286 stt_timer_t *ptimer;
1289 LASSERT(list_empty(&console_session.ses_rpc_freelist));
1290 LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0);
1292 rc = lstcon_rpc_trans_prep(NULL, LST_TRANS_SESPING,
1293 &console_session.ses_ping);
1295 CERROR("Failed to create console pinger\n");
1299 ptimer = &console_session.ses_ping_timer;
1300 ptimer->stt_expires = (unsigned long)(get_seconds() + LST_PING_INTERVAL);
1302 stt_add_timer(ptimer);
1308 lstcon_rpc_pinger_stop(void)
1310 LASSERT(console_session.ses_shutdown);
1312 stt_del_timer(&console_session.ses_ping_timer);
1314 lstcon_rpc_trans_abort(console_session.ses_ping, -ESHUTDOWN);
1315 lstcon_rpc_trans_stat(console_session.ses_ping, lstcon_trans_stat());
1316 lstcon_rpc_trans_destroy(console_session.ses_ping);
1318 memset(lstcon_trans_stat(), 0, sizeof(lstcon_trans_stat_t));
1320 console_session.ses_ping = NULL;
1324 lstcon_rpc_cleanup_wait(void)
1326 lstcon_rpc_trans_t *trans;
1328 struct list_head *pacer;
1329 struct list_head zlist;
1331 /* Called with hold of global mutex */
1333 LASSERT(console_session.ses_shutdown);
1335 while (!list_empty(&console_session.ses_trans_list)) {
1336 list_for_each(pacer, &console_session.ses_trans_list) {
1337 trans = list_entry(pacer, lstcon_rpc_trans_t,
1340 CDEBUG(D_NET, "Session closed, wakeup transaction %s\n",
1341 lstcon_rpc_trans_name(trans->tas_opc));
1343 wake_up(&trans->tas_waitq);
1346 mutex_unlock(&console_session.ses_mutex);
1348 CWARN("Session is shutting down, waiting for termination of transactions\n");
1349 set_current_state(TASK_UNINTERRUPTIBLE);
1350 schedule_timeout(cfs_time_seconds(1));
1352 mutex_lock(&console_session.ses_mutex);
1355 spin_lock(&console_session.ses_rpc_lock);
1357 lst_wait_until((atomic_read(&console_session.ses_rpc_counter) == 0),
1358 console_session.ses_rpc_lock,
1359 "Network is not accessible or target is down, waiting for %d console RPCs to being recycled\n",
1360 atomic_read(&console_session.ses_rpc_counter));
1362 list_add(&zlist, &console_session.ses_rpc_freelist);
1363 list_del_init(&console_session.ses_rpc_freelist);
1365 spin_unlock(&console_session.ses_rpc_lock);
1367 while (!list_empty(&zlist)) {
1368 crpc = list_entry(zlist.next, lstcon_rpc_t, crp_link);
1370 list_del(&crpc->crp_link);
1371 LIBCFS_FREE(crpc, sizeof(lstcon_rpc_t));
1376 lstcon_rpc_module_init(void)
1378 INIT_LIST_HEAD(&console_session.ses_ping_timer.stt_list);
1379 console_session.ses_ping_timer.stt_func = lstcon_rpc_pinger;
1380 console_session.ses_ping_timer.stt_data = &console_session.ses_ping_timer;
1382 console_session.ses_ping = NULL;
1384 spin_lock_init(&console_session.ses_rpc_lock);
1385 atomic_set(&console_session.ses_rpc_counter, 0);
1386 INIT_LIST_HEAD(&console_session.ses_rpc_freelist);
1392 lstcon_rpc_module_fini(void)
1394 LASSERT(list_empty(&console_session.ses_rpc_freelist));
1395 LASSERT(atomic_read(&console_session.ses_rpc_counter) == 0);