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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2012, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lnet/selftest/conctl.c
38 * Console framework rpcs
40 * Author: Liang Zhen <liang@whamcloud.com>
43 #include "../../include/linux/libcfs/libcfs.h"
44 #include "../../include/linux/lnet/lib-lnet.h"
49 void lstcon_rpc_stat_reply(lstcon_rpc_trans_t
*, srpc_msg_t
*,
50 lstcon_node_t
*, lstcon_trans_stat_t
*);
53 lstcon_rpc_done(srpc_client_rpc_t
*rpc
)
55 lstcon_rpc_t
*crpc
= (lstcon_rpc_t
*)rpc
->crpc_priv
;
57 LASSERT(crpc
&& rpc
== crpc
->crp_rpc
);
58 LASSERT(crpc
->crp_posted
&& !crpc
->crp_finished
);
60 spin_lock(&rpc
->crpc_lock
);
62 if (!crpc
->crp_trans
) {
64 * Orphan RPC is not in any transaction,
65 * I'm just a poor body and nobody loves me
67 spin_unlock(&rpc
->crpc_lock
);
74 /* not an orphan RPC */
75 crpc
->crp_finished
= 1;
77 if (!crpc
->crp_stamp
) {
79 LASSERT(!crpc
->crp_status
);
81 crpc
->crp_stamp
= cfs_time_current();
82 crpc
->crp_status
= rpc
->crpc_status
;
85 /* wakeup (transaction)thread if I'm the last RPC in the transaction */
86 if (atomic_dec_and_test(&crpc
->crp_trans
->tas_remaining
))
87 wake_up(&crpc
->crp_trans
->tas_waitq
);
89 spin_unlock(&rpc
->crpc_lock
);
93 lstcon_rpc_init(lstcon_node_t
*nd
, int service
, unsigned feats
,
94 int bulk_npg
, int bulk_len
, int embedded
, lstcon_rpc_t
*crpc
)
96 crpc
->crp_rpc
= sfw_create_rpc(nd
->nd_id
, service
,
97 feats
, bulk_npg
, bulk_len
,
98 lstcon_rpc_done
, (void *)crpc
);
102 crpc
->crp_trans
= NULL
;
104 crpc
->crp_posted
= 0;
105 crpc
->crp_finished
= 0;
106 crpc
->crp_unpacked
= 0;
107 crpc
->crp_status
= 0;
109 crpc
->crp_embedded
= embedded
;
110 INIT_LIST_HEAD(&crpc
->crp_link
);
112 atomic_inc(&console_session
.ses_rpc_counter
);
118 lstcon_rpc_prep(lstcon_node_t
*nd
, int service
, unsigned feats
,
119 int bulk_npg
, int bulk_len
, lstcon_rpc_t
**crpcpp
)
121 lstcon_rpc_t
*crpc
= NULL
;
124 spin_lock(&console_session
.ses_rpc_lock
);
126 crpc
= list_first_entry_or_null(&console_session
.ses_rpc_freelist
,
127 lstcon_rpc_t
, crp_link
);
129 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
)
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
;
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
, int transop
,
239 lstcon_rpc_trans_t
**transpp
)
241 lstcon_rpc_trans_t
*trans
;
244 list_for_each_entry(trans
, translist
, tas_link
) {
246 * Can't enqueue two private transaction on
249 if ((trans
->tas_opc
& transop
) == LST_TRANS_PRIVATE
)
254 /* create a trans group */
255 LIBCFS_ALLOC(trans
, sizeof(*trans
));
259 trans
->tas_opc
= transop
;
262 INIT_LIST_HEAD(&trans
->tas_olink
);
264 list_add_tail(&trans
->tas_olink
, translist
);
266 list_add_tail(&trans
->tas_link
, &console_session
.ses_trans_list
);
268 INIT_LIST_HEAD(&trans
->tas_rpcs_list
);
269 atomic_set(&trans
->tas_remaining
, 0);
270 init_waitqueue_head(&trans
->tas_waitq
);
272 spin_lock(&console_session
.ses_rpc_lock
);
273 trans
->tas_features
= console_session
.ses_features
;
274 spin_unlock(&console_session
.ses_rpc_lock
);
281 lstcon_rpc_trans_addreq(lstcon_rpc_trans_t
*trans
, lstcon_rpc_t
*crpc
)
283 list_add_tail(&crpc
->crp_link
, &trans
->tas_rpcs_list
);
284 crpc
->crp_trans
= trans
;
288 lstcon_rpc_trans_abort(lstcon_rpc_trans_t
*trans
, int error
)
290 srpc_client_rpc_t
*rpc
;
294 list_for_each_entry(crpc
, &trans
->tas_rpcs_list
, crp_link
) {
297 spin_lock(&rpc
->crpc_lock
);
299 if (!crpc
->crp_posted
|| /* not posted */
300 crpc
->crp_stamp
) { /* rpc done or aborted already */
301 if (!crpc
->crp_stamp
) {
302 crpc
->crp_stamp
= cfs_time_current();
303 crpc
->crp_status
= -EINTR
;
305 spin_unlock(&rpc
->crpc_lock
);
309 crpc
->crp_stamp
= cfs_time_current();
310 crpc
->crp_status
= error
;
312 spin_unlock(&rpc
->crpc_lock
);
316 if (error
!= -ETIMEDOUT
)
320 if (cfs_time_after(nd
->nd_stamp
, crpc
->crp_stamp
))
323 nd
->nd_stamp
= crpc
->crp_stamp
;
324 nd
->nd_state
= LST_NODE_DOWN
;
329 lstcon_rpc_trans_check(lstcon_rpc_trans_t
*trans
)
331 if (console_session
.ses_shutdown
&&
332 !list_empty(&trans
->tas_olink
)) /* Not an end session RPC */
335 return !atomic_read(&trans
->tas_remaining
) ? 1 : 0;
339 lstcon_rpc_trans_postwait(lstcon_rpc_trans_t
*trans
, int timeout
)
344 if (list_empty(&trans
->tas_rpcs_list
))
347 if (timeout
< LST_TRANS_MIN_TIMEOUT
)
348 timeout
= LST_TRANS_MIN_TIMEOUT
;
350 CDEBUG(D_NET
, "Transaction %s started\n",
351 lstcon_rpc_trans_name(trans
->tas_opc
));
353 /* post all requests */
354 list_for_each_entry(crpc
, &trans
->tas_rpcs_list
, crp_link
) {
355 LASSERT(!crpc
->crp_posted
);
357 lstcon_rpc_post(crpc
);
360 mutex_unlock(&console_session
.ses_mutex
);
362 rc
= wait_event_interruptible_timeout(trans
->tas_waitq
,
363 lstcon_rpc_trans_check(trans
),
364 cfs_time_seconds(timeout
));
365 rc
= (rc
> 0) ? 0 : ((rc
< 0) ? -EINTR
: -ETIMEDOUT
);
367 mutex_lock(&console_session
.ses_mutex
);
369 if (console_session
.ses_shutdown
)
372 if (rc
|| atomic_read(&trans
->tas_remaining
)) {
373 /* treat short timeout as canceled */
374 if (rc
== -ETIMEDOUT
&& timeout
< LST_TRANS_MIN_TIMEOUT
* 2)
377 lstcon_rpc_trans_abort(trans
, rc
);
380 CDEBUG(D_NET
, "Transaction %s stopped: %d\n",
381 lstcon_rpc_trans_name(trans
->tas_opc
), rc
);
383 lstcon_rpc_trans_stat(trans
, lstcon_trans_stat());
389 lstcon_rpc_get_reply(lstcon_rpc_t
*crpc
, srpc_msg_t
**msgpp
)
391 lstcon_node_t
*nd
= crpc
->crp_node
;
392 srpc_client_rpc_t
*rpc
= crpc
->crp_rpc
;
393 srpc_generic_reply_t
*rep
;
396 LASSERT(crpc
->crp_stamp
);
398 if (crpc
->crp_status
) {
400 return crpc
->crp_status
;
403 *msgpp
= &rpc
->crpc_replymsg
;
404 if (!crpc
->crp_unpacked
) {
405 sfw_unpack_message(*msgpp
);
406 crpc
->crp_unpacked
= 1;
409 if (cfs_time_after(nd
->nd_stamp
, crpc
->crp_stamp
))
412 nd
->nd_stamp
= crpc
->crp_stamp
;
413 rep
= &(*msgpp
)->msg_body
.reply
;
415 if (rep
->sid
.ses_nid
== LNET_NID_ANY
)
416 nd
->nd_state
= LST_NODE_UNKNOWN
;
417 else if (lstcon_session_match(rep
->sid
))
418 nd
->nd_state
= LST_NODE_ACTIVE
;
420 nd
->nd_state
= LST_NODE_BUSY
;
426 lstcon_rpc_trans_stat(lstcon_rpc_trans_t
*trans
, lstcon_trans_stat_t
*stat
)
434 memset(stat
, 0, sizeof(*stat
));
436 list_for_each_entry(crpc
, &trans
->tas_rpcs_list
, crp_link
) {
437 lstcon_rpc_stat_total(stat
, 1);
439 LASSERT(crpc
->crp_stamp
);
441 error
= lstcon_rpc_get_reply(crpc
, &rep
);
443 lstcon_rpc_stat_failure(stat
, 1);
444 if (!stat
->trs_rpc_errno
)
445 stat
->trs_rpc_errno
= -error
;
450 lstcon_rpc_stat_success(stat
, 1);
452 lstcon_rpc_stat_reply(trans
, rep
, crpc
->crp_node
, stat
);
455 if (trans
->tas_opc
== LST_TRANS_SESNEW
&& !stat
->trs_fwk_errno
) {
456 stat
->trs_fwk_errno
=
457 lstcon_session_feats_check(trans
->tas_features
);
460 CDEBUG(D_NET
, "transaction %s : success %d, failure %d, total %d, RPC error(%d), Framework error(%d)\n",
461 lstcon_rpc_trans_name(trans
->tas_opc
),
462 lstcon_rpc_stat_success(stat
, 0),
463 lstcon_rpc_stat_failure(stat
, 0),
464 lstcon_rpc_stat_total(stat
, 0),
465 stat
->trs_rpc_errno
, stat
->trs_fwk_errno
);
469 lstcon_rpc_trans_interpreter(lstcon_rpc_trans_t
*trans
,
470 struct list_head __user
*head_up
,
471 lstcon_rpc_readent_func_t readent
)
473 struct list_head tmp
;
474 struct list_head __user
*next
;
475 lstcon_rpc_ent_t
*ent
;
476 srpc_generic_reply_t
*rep
;
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
);
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 jiffies_to_timeval(dur
, &tv
);
510 if (copy_to_user(&ent
->rpe_peer
, &nd
->nd_id
,
511 sizeof(lnet_process_id_t
)) ||
512 copy_to_user(&ent
->rpe_stamp
, &tv
, sizeof(tv
)) ||
513 copy_to_user(&ent
->rpe_state
, &nd
->nd_state
,
514 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
, &rep
->sid
, sizeof(lst_sid_t
)) ||
526 copy_to_user(&ent
->rpe_fwk_errno
, &rep
->status
,
527 sizeof(rep
->status
)))
533 error
= readent(trans
->tas_opc
, msg
, ent
);
543 lstcon_rpc_trans_destroy(lstcon_rpc_trans_t
*trans
)
545 srpc_client_rpc_t
*rpc
;
550 list_for_each_entry_safe(crpc
, tmp
, &trans
->tas_rpcs_list
, crp_link
) {
553 spin_lock(&rpc
->crpc_lock
);
555 /* free it if not posted or finished already */
556 if (!crpc
->crp_posted
|| crpc
->crp_finished
) {
557 spin_unlock(&rpc
->crpc_lock
);
559 list_del_init(&crpc
->crp_link
);
560 lstcon_rpc_put(crpc
);
566 * rpcs can be still not callbacked (even LNetMDUnlink is called)
567 * because huge timeout for inaccessible network, don't make
568 * user wait for them, just abandon them, they will be recycled
571 LASSERT(crpc
->crp_status
);
573 crpc
->crp_node
= NULL
;
574 crpc
->crp_trans
= NULL
;
575 list_del_init(&crpc
->crp_link
);
578 spin_unlock(&rpc
->crpc_lock
);
580 atomic_dec(&trans
->tas_remaining
);
583 LASSERT(!atomic_read(&trans
->tas_remaining
));
585 list_del(&trans
->tas_link
);
586 if (!list_empty(&trans
->tas_olink
))
587 list_del(&trans
->tas_olink
);
589 CDEBUG(D_NET
, "Transaction %s destroyed with %d pending RPCs\n",
590 lstcon_rpc_trans_name(trans
->tas_opc
), count
);
592 LIBCFS_FREE(trans
, sizeof(*trans
));
596 lstcon_sesrpc_prep(lstcon_node_t
*nd
, int transop
,
597 unsigned feats
, lstcon_rpc_t
**crpc
)
599 srpc_mksn_reqst_t
*msrq
;
600 srpc_rmsn_reqst_t
*rsrq
;
604 case LST_TRANS_SESNEW
:
605 rc
= lstcon_rpc_prep(nd
, SRPC_SERVICE_MAKE_SESSION
,
610 msrq
= &(*crpc
)->crp_rpc
->crpc_reqstmsg
.msg_body
.mksn_reqst
;
611 msrq
->mksn_sid
= console_session
.ses_id
;
612 msrq
->mksn_force
= console_session
.ses_force
;
613 strlcpy(msrq
->mksn_name
, console_session
.ses_name
,
614 sizeof(msrq
->mksn_name
));
617 case LST_TRANS_SESEND
:
618 rc
= lstcon_rpc_prep(nd
, SRPC_SERVICE_REMOVE_SESSION
,
623 rsrq
= &(*crpc
)->crp_rpc
->crpc_reqstmsg
.msg_body
.rmsn_reqst
;
624 rsrq
->rmsn_sid
= console_session
.ses_id
;
635 lstcon_dbgrpc_prep(lstcon_node_t
*nd
, unsigned feats
, lstcon_rpc_t
**crpc
)
637 srpc_debug_reqst_t
*drq
;
640 rc
= lstcon_rpc_prep(nd
, SRPC_SERVICE_DEBUG
, feats
, 0, 0, crpc
);
644 drq
= &(*crpc
)->crp_rpc
->crpc_reqstmsg
.msg_body
.dbg_reqst
;
646 drq
->dbg_sid
= console_session
.ses_id
;
653 lstcon_batrpc_prep(lstcon_node_t
*nd
, int transop
, unsigned feats
,
654 lstcon_tsb_hdr_t
*tsb
, lstcon_rpc_t
**crpc
)
656 lstcon_batch_t
*batch
;
657 srpc_batch_reqst_t
*brq
;
660 rc
= lstcon_rpc_prep(nd
, SRPC_SERVICE_BATCH
, feats
, 0, 0, crpc
);
664 brq
= &(*crpc
)->crp_rpc
->crpc_reqstmsg
.msg_body
.bat_reqst
;
666 brq
->bar_sid
= console_session
.ses_id
;
667 brq
->bar_bid
= tsb
->tsb_id
;
668 brq
->bar_testidx
= tsb
->tsb_index
;
669 brq
->bar_opc
= transop
== LST_TRANS_TSBRUN
? SRPC_BATCH_OPC_RUN
:
670 (transop
== LST_TRANS_TSBSTOP
? SRPC_BATCH_OPC_STOP
:
671 SRPC_BATCH_OPC_QUERY
);
673 if (transop
!= LST_TRANS_TSBRUN
&&
674 transop
!= LST_TRANS_TSBSTOP
)
677 LASSERT(!tsb
->tsb_index
);
679 batch
= (lstcon_batch_t
*)tsb
;
680 brq
->bar_arg
= batch
->bat_arg
;
686 lstcon_statrpc_prep(lstcon_node_t
*nd
, unsigned feats
, lstcon_rpc_t
**crpc
)
688 srpc_stat_reqst_t
*srq
;
691 rc
= lstcon_rpc_prep(nd
, SRPC_SERVICE_QUERY_STAT
, feats
, 0, 0, crpc
);
695 srq
= &(*crpc
)->crp_rpc
->crpc_reqstmsg
.msg_body
.stat_reqst
;
697 srq
->str_sid
= console_session
.ses_id
;
698 srq
->str_type
= 0; /* XXX remove it */
703 static lnet_process_id_packed_t
*
704 lstcon_next_id(int idx
, int nkiov
, lnet_kiov_t
*kiov
)
706 lnet_process_id_packed_t
*pid
;
709 i
= idx
/ SFW_ID_PER_PAGE
;
713 pid
= (lnet_process_id_packed_t
*)page_address(kiov
[i
].kiov_page
);
715 return &pid
[idx
% SFW_ID_PER_PAGE
];
719 lstcon_dstnodes_prep(lstcon_group_t
*grp
, int idx
,
720 int dist
, int span
, int nkiov
, lnet_kiov_t
*kiov
)
722 lnet_process_id_packed_t
*pid
;
723 lstcon_ndlink_t
*ndl
;
731 LASSERT(grp
->grp_nnode
>= 1);
733 if (span
> grp
->grp_nnode
)
736 start
= ((idx
/ dist
) * span
) % grp
->grp_nnode
;
737 end
= ((idx
/ dist
) * span
+ span
- 1) % grp
->grp_nnode
;
739 list_for_each_entry(ndl
, &grp
->grp_ndl_list
, ndl_link
) {
746 if (i
> (end
>= start
? end
: grp
->grp_nnode
))
749 pid
= lstcon_next_id((i
- start
), nkiov
, kiov
);
750 pid
->nid
= nd
->nd_id
.nid
;
751 pid
->pid
= nd
->nd_id
.pid
;
755 if (start
<= end
) /* done */
758 list_for_each_entry(ndl
, &grp
->grp_ndl_list
, ndl_link
) {
759 if (i
> grp
->grp_nnode
+ end
)
763 pid
= lstcon_next_id((i
- start
), nkiov
, kiov
);
764 pid
->nid
= nd
->nd_id
.nid
;
765 pid
->pid
= nd
->nd_id
.pid
;
773 lstcon_pingrpc_prep(lst_test_ping_param_t
*param
, srpc_test_reqst_t
*req
)
775 test_ping_req_t
*prq
= &req
->tsr_u
.ping
;
777 prq
->png_size
= param
->png_size
;
778 prq
->png_flags
= param
->png_flags
;
784 lstcon_bulkrpc_v0_prep(lst_test_bulk_param_t
*param
, srpc_test_reqst_t
*req
)
786 test_bulk_req_t
*brq
= &req
->tsr_u
.bulk_v0
;
788 brq
->blk_opc
= param
->blk_opc
;
789 brq
->blk_npg
= (param
->blk_size
+ PAGE_SIZE
- 1) /
791 brq
->blk_flags
= param
->blk_flags
;
797 lstcon_bulkrpc_v1_prep(lst_test_bulk_param_t
*param
, srpc_test_reqst_t
*req
)
799 test_bulk_req_v1_t
*brq
= &req
->tsr_u
.bulk_v1
;
801 brq
->blk_opc
= param
->blk_opc
;
802 brq
->blk_flags
= param
->blk_flags
;
803 brq
->blk_len
= param
->blk_size
;
804 brq
->blk_offset
= 0; /* reserved */
810 lstcon_testrpc_prep(lstcon_node_t
*nd
, int transop
, unsigned feats
,
811 lstcon_test_t
*test
, lstcon_rpc_t
**crpc
)
813 lstcon_group_t
*sgrp
= test
->tes_src_grp
;
814 lstcon_group_t
*dgrp
= test
->tes_dst_grp
;
815 srpc_test_reqst_t
*trq
;
822 if (transop
== LST_TRANS_TSBCLIADD
) {
823 npg
= sfw_id_pages(test
->tes_span
);
824 nob
= !(feats
& LST_FEAT_BULK_LEN
) ?
826 sizeof(lnet_process_id_packed_t
) * test
->tes_span
;
829 rc
= lstcon_rpc_prep(nd
, SRPC_SERVICE_TEST
, feats
, npg
, nob
, crpc
);
833 trq
= &(*crpc
)->crp_rpc
->crpc_reqstmsg
.msg_body
.tes_reqst
;
835 if (transop
== LST_TRANS_TSBSRVADD
) {
836 int ndist
= (sgrp
->grp_nnode
+ test
->tes_dist
- 1) /
838 int nspan
= (dgrp
->grp_nnode
+ test
->tes_span
- 1) /
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
) ?
855 min_t(int, nob
, PAGE_SIZE
);
858 bulk
->bk_iovs
[i
].kiov_offset
= 0;
859 bulk
->bk_iovs
[i
].kiov_len
= len
;
860 bulk
->bk_iovs
[i
].kiov_page
=
861 alloc_page(GFP_KERNEL
);
863 if (!bulk
->bk_iovs
[i
].kiov_page
) {
864 lstcon_rpc_put(*crpc
);
871 LASSERT(transop
== LST_TRANS_TSBCLIADD
);
873 rc
= lstcon_dstnodes_prep(test
->tes_dst_grp
,
877 npg
, &bulk
->bk_iovs
[0]);
879 lstcon_rpc_put(*crpc
);
883 trq
->tsr_ndest
= test
->tes_span
;
884 trq
->tsr_loop
= test
->tes_loop
;
887 trq
->tsr_sid
= console_session
.ses_id
;
888 trq
->tsr_bid
= test
->tes_hdr
.tsb_id
;
889 trq
->tsr_concur
= test
->tes_concur
;
890 trq
->tsr_is_client
= (transop
== LST_TRANS_TSBCLIADD
) ? 1 : 0;
891 trq
->tsr_stop_onerr
= !!test
->tes_stop_onerr
;
893 switch (test
->tes_type
) {
895 trq
->tsr_service
= SRPC_SERVICE_PING
;
896 rc
= lstcon_pingrpc_prep((lst_test_ping_param_t
*)
897 &test
->tes_param
[0], trq
);
901 trq
->tsr_service
= SRPC_SERVICE_BRW
;
902 if (!(feats
& LST_FEAT_BULK_LEN
)) {
903 rc
= lstcon_bulkrpc_v0_prep((lst_test_bulk_param_t
*)
904 &test
->tes_param
[0], trq
);
906 rc
= lstcon_bulkrpc_v1_prep((lst_test_bulk_param_t
*)
907 &test
->tes_param
[0], trq
);
920 lstcon_sesnew_stat_reply(lstcon_rpc_trans_t
*trans
,
921 lstcon_node_t
*nd
, srpc_msg_t
*reply
)
923 srpc_mksn_reply_t
*mksn_rep
= &reply
->msg_body
.mksn_reply
;
924 int status
= mksn_rep
->mksn_status
;
927 (reply
->msg_ses_feats
& ~LST_FEATS_MASK
)) {
928 mksn_rep
->mksn_status
= EPROTO
;
932 if (status
== EPROTO
) {
933 CNETERR("session protocol error from %s: %u\n",
934 libcfs_nid2str(nd
->nd_id
.nid
),
935 reply
->msg_ses_feats
);
941 if (!trans
->tas_feats_updated
) {
942 spin_lock(&console_session
.ses_rpc_lock
);
943 if (!trans
->tas_feats_updated
) { /* recheck with lock */
944 trans
->tas_feats_updated
= 1;
945 trans
->tas_features
= reply
->msg_ses_feats
;
947 spin_unlock(&console_session
.ses_rpc_lock
);
950 if (reply
->msg_ses_feats
!= trans
->tas_features
) {
951 CNETERR("Framework features %x from %s is different with features on this transaction: %x\n",
952 reply
->msg_ses_feats
, libcfs_nid2str(nd
->nd_id
.nid
),
953 trans
->tas_features
);
954 mksn_rep
->mksn_status
= EPROTO
;
959 /* session timeout on remote node */
960 nd
->nd_timeout
= mksn_rep
->mksn_timeout
;
967 lstcon_rpc_stat_reply(lstcon_rpc_trans_t
*trans
, srpc_msg_t
*msg
,
968 lstcon_node_t
*nd
, lstcon_trans_stat_t
*stat
)
970 srpc_rmsn_reply_t
*rmsn_rep
;
971 srpc_debug_reply_t
*dbg_rep
;
972 srpc_batch_reply_t
*bat_rep
;
973 srpc_test_reply_t
*test_rep
;
974 srpc_stat_reply_t
*stat_rep
;
977 switch (trans
->tas_opc
) {
978 case LST_TRANS_SESNEW
:
979 rc
= lstcon_sesnew_stat_reply(trans
, nd
, msg
);
981 lstcon_sesop_stat_success(stat
, 1);
985 lstcon_sesop_stat_failure(stat
, 1);
988 case LST_TRANS_SESEND
:
989 rmsn_rep
= &msg
->msg_body
.rmsn_reply
;
990 /* ESRCH is not an error for end session */
991 if (!rmsn_rep
->rmsn_status
||
992 rmsn_rep
->rmsn_status
== ESRCH
) {
993 lstcon_sesop_stat_success(stat
, 1);
997 lstcon_sesop_stat_failure(stat
, 1);
998 rc
= rmsn_rep
->rmsn_status
;
1001 case LST_TRANS_SESQRY
:
1002 case LST_TRANS_SESPING
:
1003 dbg_rep
= &msg
->msg_body
.dbg_reply
;
1005 if (dbg_rep
->dbg_status
== ESRCH
) {
1006 lstcon_sesqry_stat_unknown(stat
, 1);
1010 if (lstcon_session_match(dbg_rep
->dbg_sid
))
1011 lstcon_sesqry_stat_active(stat
, 1);
1013 lstcon_sesqry_stat_busy(stat
, 1);
1016 case LST_TRANS_TSBRUN
:
1017 case LST_TRANS_TSBSTOP
:
1018 bat_rep
= &msg
->msg_body
.bat_reply
;
1020 if (!bat_rep
->bar_status
) {
1021 lstcon_tsbop_stat_success(stat
, 1);
1025 if (bat_rep
->bar_status
== EPERM
&&
1026 trans
->tas_opc
== LST_TRANS_TSBSTOP
) {
1027 lstcon_tsbop_stat_success(stat
, 1);
1031 lstcon_tsbop_stat_failure(stat
, 1);
1032 rc
= bat_rep
->bar_status
;
1035 case LST_TRANS_TSBCLIQRY
:
1036 case LST_TRANS_TSBSRVQRY
:
1037 bat_rep
= &msg
->msg_body
.bat_reply
;
1039 if (bat_rep
->bar_active
)
1040 lstcon_tsbqry_stat_run(stat
, 1);
1042 lstcon_tsbqry_stat_idle(stat
, 1);
1044 if (!bat_rep
->bar_status
)
1047 lstcon_tsbqry_stat_failure(stat
, 1);
1048 rc
= bat_rep
->bar_status
;
1051 case LST_TRANS_TSBCLIADD
:
1052 case LST_TRANS_TSBSRVADD
:
1053 test_rep
= &msg
->msg_body
.tes_reply
;
1055 if (!test_rep
->tsr_status
) {
1056 lstcon_tsbop_stat_success(stat
, 1);
1060 lstcon_tsbop_stat_failure(stat
, 1);
1061 rc
= test_rep
->tsr_status
;
1064 case LST_TRANS_STATQRY
:
1065 stat_rep
= &msg
->msg_body
.stat_reply
;
1067 if (!stat_rep
->str_status
) {
1068 lstcon_statqry_stat_success(stat
, 1);
1072 lstcon_statqry_stat_failure(stat
, 1);
1073 rc
= stat_rep
->str_status
;
1080 if (!stat
->trs_fwk_errno
)
1081 stat
->trs_fwk_errno
= rc
;
1085 lstcon_rpc_trans_ndlist(struct list_head
*ndlist
,
1086 struct list_head
*translist
, int transop
,
1087 void *arg
, lstcon_rpc_cond_func_t condition
,
1088 lstcon_rpc_trans_t
**transpp
)
1090 lstcon_rpc_trans_t
*trans
;
1091 lstcon_ndlink_t
*ndl
;
1097 /* Creating session RPG for list of nodes */
1099 rc
= lstcon_rpc_trans_prep(translist
, transop
, &trans
);
1101 CERROR("Can't create transaction %d: %d\n", transop
, rc
);
1105 feats
= trans
->tas_features
;
1106 list_for_each_entry(ndl
, ndlist
, ndl_link
) {
1107 rc
= !condition
? 1 :
1108 condition(transop
, ndl
->ndl_node
, arg
);
1114 CDEBUG(D_NET
, "Condition error while creating RPC for transaction %d: %d\n",
1122 case LST_TRANS_SESNEW
:
1123 case LST_TRANS_SESEND
:
1124 rc
= lstcon_sesrpc_prep(nd
, transop
, feats
, &rpc
);
1126 case LST_TRANS_SESQRY
:
1127 case LST_TRANS_SESPING
:
1128 rc
= lstcon_dbgrpc_prep(nd
, feats
, &rpc
);
1130 case LST_TRANS_TSBCLIADD
:
1131 case LST_TRANS_TSBSRVADD
:
1132 rc
= lstcon_testrpc_prep(nd
, transop
, feats
,
1133 (lstcon_test_t
*)arg
, &rpc
);
1135 case LST_TRANS_TSBRUN
:
1136 case LST_TRANS_TSBSTOP
:
1137 case LST_TRANS_TSBCLIQRY
:
1138 case LST_TRANS_TSBSRVQRY
:
1139 rc
= lstcon_batrpc_prep(nd
, transop
, feats
,
1140 (lstcon_tsb_hdr_t
*)arg
, &rpc
);
1142 case LST_TRANS_STATQRY
:
1143 rc
= lstcon_statrpc_prep(nd
, feats
, &rpc
);
1151 CERROR("Failed to create RPC for transaction %s: %d\n",
1152 lstcon_rpc_trans_name(transop
), rc
);
1156 lstcon_rpc_trans_addreq(trans
, rpc
);
1164 lstcon_rpc_trans_destroy(trans
);
1170 lstcon_rpc_pinger(void *arg
)
1172 struct stt_timer
*ptimer
= (struct stt_timer
*)arg
;
1173 lstcon_rpc_trans_t
*trans
;
1176 srpc_debug_reqst_t
*drq
;
1177 lstcon_ndlink_t
*ndl
;
1183 /* RPC pinger is a special case of transaction,
1184 * it's called by timer at 8 seconds interval.
1186 mutex_lock(&console_session
.ses_mutex
);
1188 if (console_session
.ses_shutdown
|| console_session
.ses_expired
) {
1189 mutex_unlock(&console_session
.ses_mutex
);
1193 if (!console_session
.ses_expired
&&
1194 ktime_get_real_seconds() - console_session
.ses_laststamp
>
1195 (time64_t
)console_session
.ses_timeout
)
1196 console_session
.ses_expired
= 1;
1198 trans
= console_session
.ses_ping
;
1202 list_for_each_entry(ndl
, &console_session
.ses_ndl_list
, ndl_link
) {
1205 if (console_session
.ses_expired
) {
1206 /* idle console, end session on all nodes */
1207 if (nd
->nd_state
!= LST_NODE_ACTIVE
)
1210 rc
= lstcon_sesrpc_prep(nd
, LST_TRANS_SESEND
,
1211 trans
->tas_features
, &crpc
);
1213 CERROR("Out of memory\n");
1217 lstcon_rpc_trans_addreq(trans
, crpc
);
1218 lstcon_rpc_post(crpc
);
1223 crpc
= &nd
->nd_ping
;
1225 if (crpc
->crp_rpc
) {
1226 LASSERT(crpc
->crp_trans
== trans
);
1227 LASSERT(!list_empty(&crpc
->crp_link
));
1229 spin_lock(&crpc
->crp_rpc
->crpc_lock
);
1231 LASSERT(crpc
->crp_posted
);
1233 if (!crpc
->crp_finished
) {
1235 spin_unlock(&crpc
->crp_rpc
->crpc_lock
);
1239 spin_unlock(&crpc
->crp_rpc
->crpc_lock
);
1241 lstcon_rpc_get_reply(crpc
, &rep
);
1243 list_del_init(&crpc
->crp_link
);
1245 lstcon_rpc_put(crpc
);
1248 if (nd
->nd_state
!= LST_NODE_ACTIVE
)
1251 intv
= (jiffies
- nd
->nd_stamp
) / msecs_to_jiffies(MSEC_PER_SEC
);
1252 if (intv
< nd
->nd_timeout
/ 2)
1255 rc
= lstcon_rpc_init(nd
, SRPC_SERVICE_DEBUG
,
1256 trans
->tas_features
, 0, 0, 1, crpc
);
1258 CERROR("Out of memory\n");
1262 drq
= &crpc
->crp_rpc
->crpc_reqstmsg
.msg_body
.dbg_reqst
;
1264 drq
->dbg_sid
= console_session
.ses_id
;
1267 lstcon_rpc_trans_addreq(trans
, crpc
);
1268 lstcon_rpc_post(crpc
);
1273 if (console_session
.ses_expired
) {
1274 mutex_unlock(&console_session
.ses_mutex
);
1278 CDEBUG(D_NET
, "Ping %d nodes in session\n", count
);
1280 ptimer
->stt_expires
= ktime_get_real_seconds() + LST_PING_INTERVAL
;
1281 stt_add_timer(ptimer
);
1283 mutex_unlock(&console_session
.ses_mutex
);
1287 lstcon_rpc_pinger_start(void)
1289 struct stt_timer
*ptimer
;
1292 LASSERT(list_empty(&console_session
.ses_rpc_freelist
));
1293 LASSERT(!atomic_read(&console_session
.ses_rpc_counter
));
1295 rc
= lstcon_rpc_trans_prep(NULL
, LST_TRANS_SESPING
,
1296 &console_session
.ses_ping
);
1298 CERROR("Failed to create console pinger\n");
1302 ptimer
= &console_session
.ses_ping_timer
;
1303 ptimer
->stt_expires
= ktime_get_real_seconds() + LST_PING_INTERVAL
;
1305 stt_add_timer(ptimer
);
1311 lstcon_rpc_pinger_stop(void)
1313 LASSERT(console_session
.ses_shutdown
);
1315 stt_del_timer(&console_session
.ses_ping_timer
);
1317 lstcon_rpc_trans_abort(console_session
.ses_ping
, -ESHUTDOWN
);
1318 lstcon_rpc_trans_stat(console_session
.ses_ping
, lstcon_trans_stat());
1319 lstcon_rpc_trans_destroy(console_session
.ses_ping
);
1321 memset(lstcon_trans_stat(), 0, sizeof(lstcon_trans_stat_t
));
1323 console_session
.ses_ping
= NULL
;
1327 lstcon_rpc_cleanup_wait(void)
1329 lstcon_rpc_trans_t
*trans
;
1332 struct list_head
*pacer
;
1333 struct list_head zlist
;
1335 /* Called with hold of global mutex */
1337 LASSERT(console_session
.ses_shutdown
);
1339 while (!list_empty(&console_session
.ses_trans_list
)) {
1340 list_for_each(pacer
, &console_session
.ses_trans_list
) {
1341 trans
= list_entry(pacer
, lstcon_rpc_trans_t
,
1344 CDEBUG(D_NET
, "Session closed, wakeup transaction %s\n",
1345 lstcon_rpc_trans_name(trans
->tas_opc
));
1347 wake_up(&trans
->tas_waitq
);
1350 mutex_unlock(&console_session
.ses_mutex
);
1352 CWARN("Session is shutting down, waiting for termination of transactions\n");
1353 set_current_state(TASK_UNINTERRUPTIBLE
);
1354 schedule_timeout(cfs_time_seconds(1));
1356 mutex_lock(&console_session
.ses_mutex
);
1359 spin_lock(&console_session
.ses_rpc_lock
);
1361 lst_wait_until(!atomic_read(&console_session
.ses_rpc_counter
),
1362 console_session
.ses_rpc_lock
,
1363 "Network is not accessible or target is down, waiting for %d console RPCs to being recycled\n",
1364 atomic_read(&console_session
.ses_rpc_counter
));
1366 list_add(&zlist
, &console_session
.ses_rpc_freelist
);
1367 list_del_init(&console_session
.ses_rpc_freelist
);
1369 spin_unlock(&console_session
.ses_rpc_lock
);
1371 list_for_each_entry_safe(crpc
, temp
, &zlist
, crp_link
) {
1372 list_del(&crpc
->crp_link
);
1373 LIBCFS_FREE(crpc
, sizeof(lstcon_rpc_t
));
1378 lstcon_rpc_module_init(void)
1380 INIT_LIST_HEAD(&console_session
.ses_ping_timer
.stt_list
);
1381 console_session
.ses_ping_timer
.stt_func
= lstcon_rpc_pinger
;
1382 console_session
.ses_ping_timer
.stt_data
= &console_session
.ses_ping_timer
;
1384 console_session
.ses_ping
= NULL
;
1386 spin_lock_init(&console_session
.ses_rpc_lock
);
1387 atomic_set(&console_session
.ses_rpc_counter
, 0);
1388 INIT_LIST_HEAD(&console_session
.ses_rpc_freelist
);
1394 lstcon_rpc_module_fini(void)
1396 LASSERT(list_empty(&console_session
.ses_rpc_freelist
));
1397 LASSERT(!atomic_read(&console_session
.ses_rpc_counter
));