1398 lines
31 KiB
C
1398 lines
31 KiB
C
/*
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* GPL HEADER START
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 only,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License version 2 for more details (a copy is included
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* in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; If not, see
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* http://www.gnu.org/licenses/gpl-2.0.html
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*
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* GPL HEADER END
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*/
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/*
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* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
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* Use is subject to license terms.
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*
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* Copyright (c) 2011, 2012, Intel Corporation.
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*/
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/*
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* This file is part of Lustre, http://www.lustre.org/
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* Lustre is a trademark of Sun Microsystems, Inc.
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*
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* lnet/selftest/conctl.c
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*
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* Console framework rpcs
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*
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* Author: Liang Zhen <liang@whamcloud.com>
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*/
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#include "../../include/linux/libcfs/libcfs.h"
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#include "../../include/linux/lnet/lib-lnet.h"
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#include "timer.h"
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#include "conrpc.h"
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#include "console.h"
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void lstcon_rpc_stat_reply(struct lstcon_rpc_trans *, struct srpc_msg *,
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struct lstcon_node *, struct lstcon_trans_stat *);
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static void
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lstcon_rpc_done(struct srpc_client_rpc *rpc)
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{
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struct lstcon_rpc *crpc = (struct lstcon_rpc *)rpc->crpc_priv;
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LASSERT(crpc && rpc == crpc->crp_rpc);
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LASSERT(crpc->crp_posted && !crpc->crp_finished);
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spin_lock(&rpc->crpc_lock);
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if (!crpc->crp_trans) {
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/*
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* Orphan RPC is not in any transaction,
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* I'm just a poor body and nobody loves me
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*/
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spin_unlock(&rpc->crpc_lock);
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/* release it */
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lstcon_rpc_put(crpc);
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return;
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}
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/* not an orphan RPC */
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crpc->crp_finished = 1;
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if (!crpc->crp_stamp) {
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/* not aborted */
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LASSERT(!crpc->crp_status);
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crpc->crp_stamp = cfs_time_current();
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crpc->crp_status = rpc->crpc_status;
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}
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/* wakeup (transaction)thread if I'm the last RPC in the transaction */
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if (atomic_dec_and_test(&crpc->crp_trans->tas_remaining))
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wake_up(&crpc->crp_trans->tas_waitq);
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spin_unlock(&rpc->crpc_lock);
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}
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static int
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lstcon_rpc_init(struct lstcon_node *nd, int service, unsigned int feats,
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int bulk_npg, int bulk_len, int embedded,
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struct lstcon_rpc *crpc)
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{
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crpc->crp_rpc = sfw_create_rpc(nd->nd_id, service,
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feats, bulk_npg, bulk_len,
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lstcon_rpc_done, (void *)crpc);
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if (!crpc->crp_rpc)
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return -ENOMEM;
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crpc->crp_trans = NULL;
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crpc->crp_node = nd;
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crpc->crp_posted = 0;
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crpc->crp_finished = 0;
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crpc->crp_unpacked = 0;
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crpc->crp_status = 0;
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crpc->crp_stamp = 0;
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crpc->crp_embedded = embedded;
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INIT_LIST_HEAD(&crpc->crp_link);
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atomic_inc(&console_session.ses_rpc_counter);
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return 0;
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}
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static int
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lstcon_rpc_prep(struct lstcon_node *nd, int service, unsigned int feats,
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int bulk_npg, int bulk_len, struct lstcon_rpc **crpcpp)
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{
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struct lstcon_rpc *crpc = NULL;
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int rc;
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spin_lock(&console_session.ses_rpc_lock);
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crpc = list_first_entry_or_null(&console_session.ses_rpc_freelist,
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struct lstcon_rpc, crp_link);
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if (crpc)
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list_del_init(&crpc->crp_link);
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spin_unlock(&console_session.ses_rpc_lock);
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if (!crpc) {
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LIBCFS_ALLOC(crpc, sizeof(*crpc));
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if (!crpc)
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return -ENOMEM;
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}
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rc = lstcon_rpc_init(nd, service, feats, bulk_npg, bulk_len, 0, crpc);
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if (!rc) {
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*crpcpp = crpc;
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return 0;
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}
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LIBCFS_FREE(crpc, sizeof(*crpc));
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return rc;
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}
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void
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lstcon_rpc_put(struct lstcon_rpc *crpc)
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{
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struct srpc_bulk *bulk = &crpc->crp_rpc->crpc_bulk;
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int i;
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LASSERT(list_empty(&crpc->crp_link));
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for (i = 0; i < bulk->bk_niov; i++) {
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if (!bulk->bk_iovs[i].bv_page)
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continue;
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__free_page(bulk->bk_iovs[i].bv_page);
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}
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srpc_client_rpc_decref(crpc->crp_rpc);
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if (crpc->crp_embedded) {
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/* embedded RPC, don't recycle it */
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memset(crpc, 0, sizeof(*crpc));
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crpc->crp_embedded = 1;
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} else {
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spin_lock(&console_session.ses_rpc_lock);
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list_add(&crpc->crp_link,
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&console_session.ses_rpc_freelist);
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spin_unlock(&console_session.ses_rpc_lock);
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}
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/* RPC is not alive now */
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atomic_dec(&console_session.ses_rpc_counter);
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}
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static void
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lstcon_rpc_post(struct lstcon_rpc *crpc)
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{
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struct lstcon_rpc_trans *trans = crpc->crp_trans;
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LASSERT(trans);
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atomic_inc(&trans->tas_remaining);
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crpc->crp_posted = 1;
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sfw_post_rpc(crpc->crp_rpc);
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}
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static char *
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lstcon_rpc_trans_name(int transop)
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{
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if (transop == LST_TRANS_SESNEW)
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return "SESNEW";
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if (transop == LST_TRANS_SESEND)
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return "SESEND";
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if (transop == LST_TRANS_SESQRY)
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return "SESQRY";
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if (transop == LST_TRANS_SESPING)
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return "SESPING";
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if (transop == LST_TRANS_TSBCLIADD)
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return "TSBCLIADD";
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if (transop == LST_TRANS_TSBSRVADD)
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return "TSBSRVADD";
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if (transop == LST_TRANS_TSBRUN)
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return "TSBRUN";
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if (transop == LST_TRANS_TSBSTOP)
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return "TSBSTOP";
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if (transop == LST_TRANS_TSBCLIQRY)
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return "TSBCLIQRY";
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if (transop == LST_TRANS_TSBSRVQRY)
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return "TSBSRVQRY";
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if (transop == LST_TRANS_STATQRY)
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return "STATQRY";
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return "Unknown";
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}
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int
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lstcon_rpc_trans_prep(struct list_head *translist, int transop,
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struct lstcon_rpc_trans **transpp)
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{
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struct lstcon_rpc_trans *trans;
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if (translist) {
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list_for_each_entry(trans, translist, tas_link) {
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/*
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* Can't enqueue two private transaction on
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* the same object
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*/
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if ((trans->tas_opc & transop) == LST_TRANS_PRIVATE)
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return -EPERM;
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}
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}
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/* create a trans group */
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LIBCFS_ALLOC(trans, sizeof(*trans));
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if (!trans)
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return -ENOMEM;
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trans->tas_opc = transop;
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if (!translist)
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INIT_LIST_HEAD(&trans->tas_olink);
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else
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list_add_tail(&trans->tas_olink, translist);
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list_add_tail(&trans->tas_link, &console_session.ses_trans_list);
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INIT_LIST_HEAD(&trans->tas_rpcs_list);
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atomic_set(&trans->tas_remaining, 0);
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init_waitqueue_head(&trans->tas_waitq);
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spin_lock(&console_session.ses_rpc_lock);
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trans->tas_features = console_session.ses_features;
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spin_unlock(&console_session.ses_rpc_lock);
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*transpp = trans;
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return 0;
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}
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void
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lstcon_rpc_trans_addreq(struct lstcon_rpc_trans *trans, struct lstcon_rpc *crpc)
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{
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list_add_tail(&crpc->crp_link, &trans->tas_rpcs_list);
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crpc->crp_trans = trans;
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}
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void
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lstcon_rpc_trans_abort(struct lstcon_rpc_trans *trans, int error)
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{
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struct srpc_client_rpc *rpc;
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struct lstcon_rpc *crpc;
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struct lstcon_node *nd;
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list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
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rpc = crpc->crp_rpc;
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spin_lock(&rpc->crpc_lock);
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if (!crpc->crp_posted || /* not posted */
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crpc->crp_stamp) { /* rpc done or aborted already */
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if (!crpc->crp_stamp) {
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crpc->crp_stamp = cfs_time_current();
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crpc->crp_status = -EINTR;
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}
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spin_unlock(&rpc->crpc_lock);
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continue;
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}
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crpc->crp_stamp = cfs_time_current();
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crpc->crp_status = error;
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spin_unlock(&rpc->crpc_lock);
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sfw_abort_rpc(rpc);
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if (error != -ETIMEDOUT)
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continue;
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nd = crpc->crp_node;
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if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp))
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continue;
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nd->nd_stamp = crpc->crp_stamp;
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nd->nd_state = LST_NODE_DOWN;
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}
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}
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static int
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lstcon_rpc_trans_check(struct lstcon_rpc_trans *trans)
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{
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if (console_session.ses_shutdown &&
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!list_empty(&trans->tas_olink)) /* Not an end session RPC */
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return 1;
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return !atomic_read(&trans->tas_remaining) ? 1 : 0;
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}
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int
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lstcon_rpc_trans_postwait(struct lstcon_rpc_trans *trans, int timeout)
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{
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struct lstcon_rpc *crpc;
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int rc;
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if (list_empty(&trans->tas_rpcs_list))
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return 0;
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if (timeout < LST_TRANS_MIN_TIMEOUT)
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timeout = LST_TRANS_MIN_TIMEOUT;
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CDEBUG(D_NET, "Transaction %s started\n",
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lstcon_rpc_trans_name(trans->tas_opc));
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/* post all requests */
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list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
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LASSERT(!crpc->crp_posted);
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lstcon_rpc_post(crpc);
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}
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mutex_unlock(&console_session.ses_mutex);
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rc = wait_event_interruptible_timeout(trans->tas_waitq,
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lstcon_rpc_trans_check(trans),
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cfs_time_seconds(timeout));
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rc = (rc > 0) ? 0 : ((rc < 0) ? -EINTR : -ETIMEDOUT);
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mutex_lock(&console_session.ses_mutex);
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if (console_session.ses_shutdown)
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rc = -ESHUTDOWN;
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if (rc || atomic_read(&trans->tas_remaining)) {
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/* treat short timeout as canceled */
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if (rc == -ETIMEDOUT && timeout < LST_TRANS_MIN_TIMEOUT * 2)
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rc = -EINTR;
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lstcon_rpc_trans_abort(trans, rc);
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}
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CDEBUG(D_NET, "Transaction %s stopped: %d\n",
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lstcon_rpc_trans_name(trans->tas_opc), rc);
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lstcon_rpc_trans_stat(trans, lstcon_trans_stat());
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return rc;
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}
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static int
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lstcon_rpc_get_reply(struct lstcon_rpc *crpc, struct srpc_msg **msgpp)
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{
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struct lstcon_node *nd = crpc->crp_node;
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struct srpc_client_rpc *rpc = crpc->crp_rpc;
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struct srpc_generic_reply *rep;
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LASSERT(nd && rpc);
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LASSERT(crpc->crp_stamp);
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if (crpc->crp_status) {
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*msgpp = NULL;
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return crpc->crp_status;
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}
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*msgpp = &rpc->crpc_replymsg;
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if (!crpc->crp_unpacked) {
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sfw_unpack_message(*msgpp);
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crpc->crp_unpacked = 1;
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}
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if (cfs_time_after(nd->nd_stamp, crpc->crp_stamp))
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return 0;
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nd->nd_stamp = crpc->crp_stamp;
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rep = &(*msgpp)->msg_body.reply;
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if (rep->sid.ses_nid == LNET_NID_ANY)
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nd->nd_state = LST_NODE_UNKNOWN;
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else if (lstcon_session_match(rep->sid))
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nd->nd_state = LST_NODE_ACTIVE;
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else
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nd->nd_state = LST_NODE_BUSY;
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return 0;
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}
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void
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lstcon_rpc_trans_stat(struct lstcon_rpc_trans *trans, struct lstcon_trans_stat *stat)
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{
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struct lstcon_rpc *crpc;
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struct srpc_msg *rep;
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int error;
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LASSERT(stat);
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memset(stat, 0, sizeof(*stat));
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list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
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lstcon_rpc_stat_total(stat, 1);
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LASSERT(crpc->crp_stamp);
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error = lstcon_rpc_get_reply(crpc, &rep);
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if (error) {
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lstcon_rpc_stat_failure(stat, 1);
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if (!stat->trs_rpc_errno)
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stat->trs_rpc_errno = -error;
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continue;
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}
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lstcon_rpc_stat_success(stat, 1);
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lstcon_rpc_stat_reply(trans, rep, crpc->crp_node, stat);
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}
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if (trans->tas_opc == LST_TRANS_SESNEW && !stat->trs_fwk_errno) {
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stat->trs_fwk_errno =
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lstcon_session_feats_check(trans->tas_features);
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}
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CDEBUG(D_NET, "transaction %s : success %d, failure %d, total %d, RPC error(%d), Framework error(%d)\n",
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lstcon_rpc_trans_name(trans->tas_opc),
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lstcon_rpc_stat_success(stat, 0),
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lstcon_rpc_stat_failure(stat, 0),
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lstcon_rpc_stat_total(stat, 0),
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stat->trs_rpc_errno, stat->trs_fwk_errno);
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}
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int
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lstcon_rpc_trans_interpreter(struct lstcon_rpc_trans *trans,
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struct list_head __user *head_up,
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lstcon_rpc_readent_func_t readent)
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{
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struct list_head tmp;
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struct list_head __user *next;
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struct lstcon_rpc_ent *ent;
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struct srpc_generic_reply *rep;
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struct lstcon_rpc *crpc;
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struct srpc_msg *msg;
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struct lstcon_node *nd;
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long dur;
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struct timeval tv;
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int error;
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LASSERT(head_up);
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next = head_up;
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list_for_each_entry(crpc, &trans->tas_rpcs_list, crp_link) {
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if (copy_from_user(&tmp, next,
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sizeof(struct list_head)))
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return -EFAULT;
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if (tmp.next == head_up)
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return 0;
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next = tmp.next;
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ent = list_entry(next, struct lstcon_rpc_ent, rpe_link);
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LASSERT(crpc->crp_stamp);
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error = lstcon_rpc_get_reply(crpc, &msg);
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nd = crpc->crp_node;
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dur = (long)cfs_time_sub(crpc->crp_stamp,
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(unsigned long)console_session.ses_id.ses_stamp);
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jiffies_to_timeval(dur, &tv);
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if (copy_to_user(&ent->rpe_peer, &nd->nd_id,
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sizeof(struct lnet_process_id)) ||
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copy_to_user(&ent->rpe_stamp, &tv, sizeof(tv)) ||
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copy_to_user(&ent->rpe_state, &nd->nd_state,
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sizeof(nd->nd_state)) ||
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copy_to_user(&ent->rpe_rpc_errno, &error,
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sizeof(error)))
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return -EFAULT;
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|
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if (error)
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continue;
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/* RPC is done */
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rep = (struct srpc_generic_reply *)&msg->msg_body.reply;
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if (copy_to_user(&ent->rpe_sid, &rep->sid, sizeof(rep->sid)) ||
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copy_to_user(&ent->rpe_fwk_errno, &rep->status,
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sizeof(rep->status)))
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return -EFAULT;
|
|
|
|
if (!readent)
|
|
continue;
|
|
|
|
error = readent(trans->tas_opc, msg, ent);
|
|
if (error)
|
|
return error;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
lstcon_rpc_trans_destroy(struct lstcon_rpc_trans *trans)
|
|
{
|
|
struct srpc_client_rpc *rpc;
|
|
struct lstcon_rpc *crpc;
|
|
struct lstcon_rpc *tmp;
|
|
int count = 0;
|
|
|
|
list_for_each_entry_safe(crpc, tmp, &trans->tas_rpcs_list, crp_link) {
|
|
rpc = crpc->crp_rpc;
|
|
|
|
spin_lock(&rpc->crpc_lock);
|
|
|
|
/* free it if not posted or finished already */
|
|
if (!crpc->crp_posted || crpc->crp_finished) {
|
|
spin_unlock(&rpc->crpc_lock);
|
|
|
|
list_del_init(&crpc->crp_link);
|
|
lstcon_rpc_put(crpc);
|
|
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* rpcs can be still not callbacked (even LNetMDUnlink is
|
|
* called) because huge timeout for inaccessible network,
|
|
* don't make user wait for them, just abandon them, they
|
|
* will be recycled in callback
|
|
*/
|
|
LASSERT(crpc->crp_status);
|
|
|
|
crpc->crp_node = NULL;
|
|
crpc->crp_trans = NULL;
|
|
list_del_init(&crpc->crp_link);
|
|
count++;
|
|
|
|
spin_unlock(&rpc->crpc_lock);
|
|
|
|
atomic_dec(&trans->tas_remaining);
|
|
}
|
|
|
|
LASSERT(!atomic_read(&trans->tas_remaining));
|
|
|
|
list_del(&trans->tas_link);
|
|
if (!list_empty(&trans->tas_olink))
|
|
list_del(&trans->tas_olink);
|
|
|
|
CDEBUG(D_NET, "Transaction %s destroyed with %d pending RPCs\n",
|
|
lstcon_rpc_trans_name(trans->tas_opc), count);
|
|
|
|
LIBCFS_FREE(trans, sizeof(*trans));
|
|
}
|
|
|
|
int
|
|
lstcon_sesrpc_prep(struct lstcon_node *nd, int transop,
|
|
unsigned int feats, struct lstcon_rpc **crpc)
|
|
{
|
|
struct srpc_mksn_reqst *msrq;
|
|
struct srpc_rmsn_reqst *rsrq;
|
|
int rc;
|
|
|
|
switch (transop) {
|
|
case LST_TRANS_SESNEW:
|
|
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_MAKE_SESSION,
|
|
feats, 0, 0, crpc);
|
|
if (rc)
|
|
return rc;
|
|
|
|
msrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.mksn_reqst;
|
|
msrq->mksn_sid = console_session.ses_id;
|
|
msrq->mksn_force = console_session.ses_force;
|
|
strlcpy(msrq->mksn_name, console_session.ses_name,
|
|
sizeof(msrq->mksn_name));
|
|
break;
|
|
|
|
case LST_TRANS_SESEND:
|
|
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_REMOVE_SESSION,
|
|
feats, 0, 0, crpc);
|
|
if (rc)
|
|
return rc;
|
|
|
|
rsrq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.rmsn_reqst;
|
|
rsrq->rmsn_sid = console_session.ses_id;
|
|
break;
|
|
|
|
default:
|
|
LBUG();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
lstcon_dbgrpc_prep(struct lstcon_node *nd, unsigned int feats,
|
|
struct lstcon_rpc **crpc)
|
|
{
|
|
struct srpc_debug_reqst *drq;
|
|
int rc;
|
|
|
|
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_DEBUG, feats, 0, 0, crpc);
|
|
if (rc)
|
|
return rc;
|
|
|
|
drq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
|
|
|
|
drq->dbg_sid = console_session.ses_id;
|
|
drq->dbg_flags = 0;
|
|
|
|
return rc;
|
|
}
|
|
|
|
int
|
|
lstcon_batrpc_prep(struct lstcon_node *nd, int transop, unsigned int feats,
|
|
struct lstcon_tsb_hdr *tsb, struct lstcon_rpc **crpc)
|
|
{
|
|
struct lstcon_batch *batch;
|
|
struct srpc_batch_reqst *brq;
|
|
int rc;
|
|
|
|
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_BATCH, feats, 0, 0, crpc);
|
|
if (rc)
|
|
return rc;
|
|
|
|
brq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.bat_reqst;
|
|
|
|
brq->bar_sid = console_session.ses_id;
|
|
brq->bar_bid = tsb->tsb_id;
|
|
brq->bar_testidx = tsb->tsb_index;
|
|
brq->bar_opc = transop == LST_TRANS_TSBRUN ? SRPC_BATCH_OPC_RUN :
|
|
(transop == LST_TRANS_TSBSTOP ? SRPC_BATCH_OPC_STOP :
|
|
SRPC_BATCH_OPC_QUERY);
|
|
|
|
if (transop != LST_TRANS_TSBRUN &&
|
|
transop != LST_TRANS_TSBSTOP)
|
|
return 0;
|
|
|
|
LASSERT(!tsb->tsb_index);
|
|
|
|
batch = (struct lstcon_batch *)tsb;
|
|
brq->bar_arg = batch->bat_arg;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
lstcon_statrpc_prep(struct lstcon_node *nd, unsigned int feats,
|
|
struct lstcon_rpc **crpc)
|
|
{
|
|
struct srpc_stat_reqst *srq;
|
|
int rc;
|
|
|
|
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_QUERY_STAT, feats, 0, 0, crpc);
|
|
if (rc)
|
|
return rc;
|
|
|
|
srq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.stat_reqst;
|
|
|
|
srq->str_sid = console_session.ses_id;
|
|
srq->str_type = 0; /* XXX remove it */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct lnet_process_id_packed *
|
|
lstcon_next_id(int idx, int nkiov, struct bio_vec *kiov)
|
|
{
|
|
struct lnet_process_id_packed *pid;
|
|
int i;
|
|
|
|
i = idx / SFW_ID_PER_PAGE;
|
|
|
|
LASSERT(i < nkiov);
|
|
|
|
pid = (struct lnet_process_id_packed *)page_address(kiov[i].bv_page);
|
|
|
|
return &pid[idx % SFW_ID_PER_PAGE];
|
|
}
|
|
|
|
static int
|
|
lstcon_dstnodes_prep(struct lstcon_group *grp, int idx,
|
|
int dist, int span, int nkiov, struct bio_vec *kiov)
|
|
{
|
|
struct lnet_process_id_packed *pid;
|
|
struct lstcon_ndlink *ndl;
|
|
struct lstcon_node *nd;
|
|
int start;
|
|
int end;
|
|
int i = 0;
|
|
|
|
LASSERT(dist >= 1);
|
|
LASSERT(span >= 1);
|
|
LASSERT(grp->grp_nnode >= 1);
|
|
|
|
if (span > grp->grp_nnode)
|
|
return -EINVAL;
|
|
|
|
start = ((idx / dist) * span) % grp->grp_nnode;
|
|
end = ((idx / dist) * span + span - 1) % grp->grp_nnode;
|
|
|
|
list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) {
|
|
nd = ndl->ndl_node;
|
|
if (i < start) {
|
|
i++;
|
|
continue;
|
|
}
|
|
|
|
if (i > (end >= start ? end : grp->grp_nnode))
|
|
break;
|
|
|
|
pid = lstcon_next_id((i - start), nkiov, kiov);
|
|
pid->nid = nd->nd_id.nid;
|
|
pid->pid = nd->nd_id.pid;
|
|
i++;
|
|
}
|
|
|
|
if (start <= end) /* done */
|
|
return 0;
|
|
|
|
list_for_each_entry(ndl, &grp->grp_ndl_list, ndl_link) {
|
|
if (i > grp->grp_nnode + end)
|
|
break;
|
|
|
|
nd = ndl->ndl_node;
|
|
pid = lstcon_next_id((i - start), nkiov, kiov);
|
|
pid->nid = nd->nd_id.nid;
|
|
pid->pid = nd->nd_id.pid;
|
|
i++;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
lstcon_pingrpc_prep(struct lst_test_ping_param *param, struct srpc_test_reqst *req)
|
|
{
|
|
struct test_ping_req *prq = &req->tsr_u.ping;
|
|
|
|
prq->png_size = param->png_size;
|
|
prq->png_flags = param->png_flags;
|
|
/* TODO dest */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
lstcon_bulkrpc_v0_prep(struct lst_test_bulk_param *param,
|
|
struct srpc_test_reqst *req)
|
|
{
|
|
struct test_bulk_req *brq = &req->tsr_u.bulk_v0;
|
|
|
|
brq->blk_opc = param->blk_opc;
|
|
brq->blk_npg = DIV_ROUND_UP(param->blk_size, PAGE_SIZE);
|
|
brq->blk_flags = param->blk_flags;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
lstcon_bulkrpc_v1_prep(struct lst_test_bulk_param *param, bool is_client,
|
|
struct srpc_test_reqst *req)
|
|
{
|
|
struct test_bulk_req_v1 *brq = &req->tsr_u.bulk_v1;
|
|
|
|
brq->blk_opc = param->blk_opc;
|
|
brq->blk_flags = param->blk_flags;
|
|
brq->blk_len = param->blk_size;
|
|
brq->blk_offset = is_client ? param->blk_cli_off : param->blk_srv_off;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
lstcon_testrpc_prep(struct lstcon_node *nd, int transop, unsigned int feats,
|
|
struct lstcon_test *test, struct lstcon_rpc **crpc)
|
|
{
|
|
struct lstcon_group *sgrp = test->tes_src_grp;
|
|
struct lstcon_group *dgrp = test->tes_dst_grp;
|
|
struct srpc_test_reqst *trq;
|
|
struct srpc_bulk *bulk;
|
|
int i;
|
|
int npg = 0;
|
|
int nob = 0;
|
|
int rc = 0;
|
|
|
|
if (transop == LST_TRANS_TSBCLIADD) {
|
|
npg = sfw_id_pages(test->tes_span);
|
|
nob = !(feats & LST_FEAT_BULK_LEN) ?
|
|
npg * PAGE_SIZE :
|
|
sizeof(struct lnet_process_id_packed) * test->tes_span;
|
|
}
|
|
|
|
rc = lstcon_rpc_prep(nd, SRPC_SERVICE_TEST, feats, npg, nob, crpc);
|
|
if (rc)
|
|
return rc;
|
|
|
|
trq = &(*crpc)->crp_rpc->crpc_reqstmsg.msg_body.tes_reqst;
|
|
|
|
if (transop == LST_TRANS_TSBSRVADD) {
|
|
int ndist = DIV_ROUND_UP(sgrp->grp_nnode, test->tes_dist);
|
|
int nspan = DIV_ROUND_UP(dgrp->grp_nnode, test->tes_span);
|
|
int nmax = DIV_ROUND_UP(ndist, nspan);
|
|
|
|
trq->tsr_ndest = 0;
|
|
trq->tsr_loop = nmax * test->tes_dist * test->tes_concur;
|
|
} else {
|
|
bulk = &(*crpc)->crp_rpc->crpc_bulk;
|
|
|
|
for (i = 0; i < npg; i++) {
|
|
int len;
|
|
|
|
LASSERT(nob > 0);
|
|
|
|
len = !(feats & LST_FEAT_BULK_LEN) ?
|
|
PAGE_SIZE :
|
|
min_t(int, nob, PAGE_SIZE);
|
|
nob -= len;
|
|
|
|
bulk->bk_iovs[i].bv_offset = 0;
|
|
bulk->bk_iovs[i].bv_len = len;
|
|
bulk->bk_iovs[i].bv_page = alloc_page(GFP_KERNEL);
|
|
|
|
if (!bulk->bk_iovs[i].bv_page) {
|
|
lstcon_rpc_put(*crpc);
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
|
|
bulk->bk_sink = 0;
|
|
|
|
LASSERT(transop == LST_TRANS_TSBCLIADD);
|
|
|
|
rc = lstcon_dstnodes_prep(test->tes_dst_grp,
|
|
test->tes_cliidx++,
|
|
test->tes_dist,
|
|
test->tes_span,
|
|
npg, &bulk->bk_iovs[0]);
|
|
if (rc) {
|
|
lstcon_rpc_put(*crpc);
|
|
return rc;
|
|
}
|
|
|
|
trq->tsr_ndest = test->tes_span;
|
|
trq->tsr_loop = test->tes_loop;
|
|
}
|
|
|
|
trq->tsr_sid = console_session.ses_id;
|
|
trq->tsr_bid = test->tes_hdr.tsb_id;
|
|
trq->tsr_concur = test->tes_concur;
|
|
trq->tsr_is_client = (transop == LST_TRANS_TSBCLIADD) ? 1 : 0;
|
|
trq->tsr_stop_onerr = !!test->tes_stop_onerr;
|
|
|
|
switch (test->tes_type) {
|
|
case LST_TEST_PING:
|
|
trq->tsr_service = SRPC_SERVICE_PING;
|
|
rc = lstcon_pingrpc_prep((struct lst_test_ping_param *)
|
|
&test->tes_param[0], trq);
|
|
break;
|
|
|
|
case LST_TEST_BULK:
|
|
trq->tsr_service = SRPC_SERVICE_BRW;
|
|
if (!(feats & LST_FEAT_BULK_LEN)) {
|
|
rc = lstcon_bulkrpc_v0_prep((struct lst_test_bulk_param *)
|
|
&test->tes_param[0], trq);
|
|
} else {
|
|
rc = lstcon_bulkrpc_v1_prep((struct lst_test_bulk_param *)
|
|
&test->tes_param[0],
|
|
trq->tsr_is_client, trq);
|
|
}
|
|
|
|
break;
|
|
default:
|
|
LBUG();
|
|
break;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
lstcon_sesnew_stat_reply(struct lstcon_rpc_trans *trans,
|
|
struct lstcon_node *nd, struct srpc_msg *reply)
|
|
{
|
|
struct srpc_mksn_reply *mksn_rep = &reply->msg_body.mksn_reply;
|
|
int status = mksn_rep->mksn_status;
|
|
|
|
if (!status &&
|
|
(reply->msg_ses_feats & ~LST_FEATS_MASK)) {
|
|
mksn_rep->mksn_status = EPROTO;
|
|
status = EPROTO;
|
|
}
|
|
|
|
if (status == EPROTO) {
|
|
CNETERR("session protocol error from %s: %u\n",
|
|
libcfs_nid2str(nd->nd_id.nid),
|
|
reply->msg_ses_feats);
|
|
}
|
|
|
|
if (status)
|
|
return status;
|
|
|
|
if (!trans->tas_feats_updated) {
|
|
spin_lock(&console_session.ses_rpc_lock);
|
|
if (!trans->tas_feats_updated) { /* recheck with lock */
|
|
trans->tas_feats_updated = 1;
|
|
trans->tas_features = reply->msg_ses_feats;
|
|
}
|
|
spin_unlock(&console_session.ses_rpc_lock);
|
|
}
|
|
|
|
if (reply->msg_ses_feats != trans->tas_features) {
|
|
CNETERR("Framework features %x from %s is different with features on this transaction: %x\n",
|
|
reply->msg_ses_feats, libcfs_nid2str(nd->nd_id.nid),
|
|
trans->tas_features);
|
|
mksn_rep->mksn_status = EPROTO;
|
|
status = EPROTO;
|
|
}
|
|
|
|
if (!status) {
|
|
/* session timeout on remote node */
|
|
nd->nd_timeout = mksn_rep->mksn_timeout;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
void
|
|
lstcon_rpc_stat_reply(struct lstcon_rpc_trans *trans, struct srpc_msg *msg,
|
|
struct lstcon_node *nd, struct lstcon_trans_stat *stat)
|
|
{
|
|
struct srpc_rmsn_reply *rmsn_rep;
|
|
struct srpc_debug_reply *dbg_rep;
|
|
struct srpc_batch_reply *bat_rep;
|
|
struct srpc_test_reply *test_rep;
|
|
struct srpc_stat_reply *stat_rep;
|
|
int rc = 0;
|
|
|
|
switch (trans->tas_opc) {
|
|
case LST_TRANS_SESNEW:
|
|
rc = lstcon_sesnew_stat_reply(trans, nd, msg);
|
|
if (!rc) {
|
|
lstcon_sesop_stat_success(stat, 1);
|
|
return;
|
|
}
|
|
|
|
lstcon_sesop_stat_failure(stat, 1);
|
|
break;
|
|
|
|
case LST_TRANS_SESEND:
|
|
rmsn_rep = &msg->msg_body.rmsn_reply;
|
|
/* ESRCH is not an error for end session */
|
|
if (!rmsn_rep->rmsn_status ||
|
|
rmsn_rep->rmsn_status == ESRCH) {
|
|
lstcon_sesop_stat_success(stat, 1);
|
|
return;
|
|
}
|
|
|
|
lstcon_sesop_stat_failure(stat, 1);
|
|
rc = rmsn_rep->rmsn_status;
|
|
break;
|
|
|
|
case LST_TRANS_SESQRY:
|
|
case LST_TRANS_SESPING:
|
|
dbg_rep = &msg->msg_body.dbg_reply;
|
|
|
|
if (dbg_rep->dbg_status == ESRCH) {
|
|
lstcon_sesqry_stat_unknown(stat, 1);
|
|
return;
|
|
}
|
|
|
|
if (lstcon_session_match(dbg_rep->dbg_sid))
|
|
lstcon_sesqry_stat_active(stat, 1);
|
|
else
|
|
lstcon_sesqry_stat_busy(stat, 1);
|
|
return;
|
|
|
|
case LST_TRANS_TSBRUN:
|
|
case LST_TRANS_TSBSTOP:
|
|
bat_rep = &msg->msg_body.bat_reply;
|
|
|
|
if (!bat_rep->bar_status) {
|
|
lstcon_tsbop_stat_success(stat, 1);
|
|
return;
|
|
}
|
|
|
|
if (bat_rep->bar_status == EPERM &&
|
|
trans->tas_opc == LST_TRANS_TSBSTOP) {
|
|
lstcon_tsbop_stat_success(stat, 1);
|
|
return;
|
|
}
|
|
|
|
lstcon_tsbop_stat_failure(stat, 1);
|
|
rc = bat_rep->bar_status;
|
|
break;
|
|
|
|
case LST_TRANS_TSBCLIQRY:
|
|
case LST_TRANS_TSBSRVQRY:
|
|
bat_rep = &msg->msg_body.bat_reply;
|
|
|
|
if (bat_rep->bar_active)
|
|
lstcon_tsbqry_stat_run(stat, 1);
|
|
else
|
|
lstcon_tsbqry_stat_idle(stat, 1);
|
|
|
|
if (!bat_rep->bar_status)
|
|
return;
|
|
|
|
lstcon_tsbqry_stat_failure(stat, 1);
|
|
rc = bat_rep->bar_status;
|
|
break;
|
|
|
|
case LST_TRANS_TSBCLIADD:
|
|
case LST_TRANS_TSBSRVADD:
|
|
test_rep = &msg->msg_body.tes_reply;
|
|
|
|
if (!test_rep->tsr_status) {
|
|
lstcon_tsbop_stat_success(stat, 1);
|
|
return;
|
|
}
|
|
|
|
lstcon_tsbop_stat_failure(stat, 1);
|
|
rc = test_rep->tsr_status;
|
|
break;
|
|
|
|
case LST_TRANS_STATQRY:
|
|
stat_rep = &msg->msg_body.stat_reply;
|
|
|
|
if (!stat_rep->str_status) {
|
|
lstcon_statqry_stat_success(stat, 1);
|
|
return;
|
|
}
|
|
|
|
lstcon_statqry_stat_failure(stat, 1);
|
|
rc = stat_rep->str_status;
|
|
break;
|
|
|
|
default:
|
|
LBUG();
|
|
}
|
|
|
|
if (!stat->trs_fwk_errno)
|
|
stat->trs_fwk_errno = rc;
|
|
}
|
|
|
|
int
|
|
lstcon_rpc_trans_ndlist(struct list_head *ndlist,
|
|
struct list_head *translist, int transop,
|
|
void *arg, lstcon_rpc_cond_func_t condition,
|
|
struct lstcon_rpc_trans **transpp)
|
|
{
|
|
struct lstcon_rpc_trans *trans;
|
|
struct lstcon_ndlink *ndl;
|
|
struct lstcon_node *nd;
|
|
struct lstcon_rpc *rpc;
|
|
unsigned int feats;
|
|
int rc;
|
|
|
|
/* Creating session RPG for list of nodes */
|
|
|
|
rc = lstcon_rpc_trans_prep(translist, transop, &trans);
|
|
if (rc) {
|
|
CERROR("Can't create transaction %d: %d\n", transop, rc);
|
|
return rc;
|
|
}
|
|
|
|
feats = trans->tas_features;
|
|
list_for_each_entry(ndl, ndlist, ndl_link) {
|
|
rc = !condition ? 1 :
|
|
condition(transop, ndl->ndl_node, arg);
|
|
|
|
if (!rc)
|
|
continue;
|
|
|
|
if (rc < 0) {
|
|
CDEBUG(D_NET, "Condition error while creating RPC for transaction %d: %d\n",
|
|
transop, rc);
|
|
break;
|
|
}
|
|
|
|
nd = ndl->ndl_node;
|
|
|
|
switch (transop) {
|
|
case LST_TRANS_SESNEW:
|
|
case LST_TRANS_SESEND:
|
|
rc = lstcon_sesrpc_prep(nd, transop, feats, &rpc);
|
|
break;
|
|
case LST_TRANS_SESQRY:
|
|
case LST_TRANS_SESPING:
|
|
rc = lstcon_dbgrpc_prep(nd, feats, &rpc);
|
|
break;
|
|
case LST_TRANS_TSBCLIADD:
|
|
case LST_TRANS_TSBSRVADD:
|
|
rc = lstcon_testrpc_prep(nd, transop, feats,
|
|
(struct lstcon_test *)arg,
|
|
&rpc);
|
|
break;
|
|
case LST_TRANS_TSBRUN:
|
|
case LST_TRANS_TSBSTOP:
|
|
case LST_TRANS_TSBCLIQRY:
|
|
case LST_TRANS_TSBSRVQRY:
|
|
rc = lstcon_batrpc_prep(nd, transop, feats,
|
|
(struct lstcon_tsb_hdr *)arg,
|
|
&rpc);
|
|
break;
|
|
case LST_TRANS_STATQRY:
|
|
rc = lstcon_statrpc_prep(nd, feats, &rpc);
|
|
break;
|
|
default:
|
|
rc = -EINVAL;
|
|
break;
|
|
}
|
|
|
|
if (rc) {
|
|
CERROR("Failed to create RPC for transaction %s: %d\n",
|
|
lstcon_rpc_trans_name(transop), rc);
|
|
break;
|
|
}
|
|
|
|
lstcon_rpc_trans_addreq(trans, rpc);
|
|
}
|
|
|
|
if (!rc) {
|
|
*transpp = trans;
|
|
return 0;
|
|
}
|
|
|
|
lstcon_rpc_trans_destroy(trans);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
lstcon_rpc_pinger(void *arg)
|
|
{
|
|
struct stt_timer *ptimer = (struct stt_timer *)arg;
|
|
struct lstcon_rpc_trans *trans;
|
|
struct lstcon_rpc *crpc;
|
|
struct srpc_msg *rep;
|
|
struct srpc_debug_reqst *drq;
|
|
struct lstcon_ndlink *ndl;
|
|
struct lstcon_node *nd;
|
|
int intv;
|
|
int count = 0;
|
|
int rc;
|
|
|
|
/*
|
|
* RPC pinger is a special case of transaction,
|
|
* it's called by timer at 8 seconds interval.
|
|
*/
|
|
mutex_lock(&console_session.ses_mutex);
|
|
|
|
if (console_session.ses_shutdown || console_session.ses_expired) {
|
|
mutex_unlock(&console_session.ses_mutex);
|
|
return;
|
|
}
|
|
|
|
if (!console_session.ses_expired &&
|
|
ktime_get_real_seconds() - console_session.ses_laststamp >
|
|
(time64_t)console_session.ses_timeout)
|
|
console_session.ses_expired = 1;
|
|
|
|
trans = console_session.ses_ping;
|
|
|
|
LASSERT(trans);
|
|
|
|
list_for_each_entry(ndl, &console_session.ses_ndl_list, ndl_link) {
|
|
nd = ndl->ndl_node;
|
|
|
|
if (console_session.ses_expired) {
|
|
/* idle console, end session on all nodes */
|
|
if (nd->nd_state != LST_NODE_ACTIVE)
|
|
continue;
|
|
|
|
rc = lstcon_sesrpc_prep(nd, LST_TRANS_SESEND,
|
|
trans->tas_features, &crpc);
|
|
if (rc) {
|
|
CERROR("Out of memory\n");
|
|
break;
|
|
}
|
|
|
|
lstcon_rpc_trans_addreq(trans, crpc);
|
|
lstcon_rpc_post(crpc);
|
|
|
|
continue;
|
|
}
|
|
|
|
crpc = &nd->nd_ping;
|
|
|
|
if (crpc->crp_rpc) {
|
|
LASSERT(crpc->crp_trans == trans);
|
|
LASSERT(!list_empty(&crpc->crp_link));
|
|
|
|
spin_lock(&crpc->crp_rpc->crpc_lock);
|
|
|
|
LASSERT(crpc->crp_posted);
|
|
|
|
if (!crpc->crp_finished) {
|
|
/* in flight */
|
|
spin_unlock(&crpc->crp_rpc->crpc_lock);
|
|
continue;
|
|
}
|
|
|
|
spin_unlock(&crpc->crp_rpc->crpc_lock);
|
|
|
|
lstcon_rpc_get_reply(crpc, &rep);
|
|
|
|
list_del_init(&crpc->crp_link);
|
|
|
|
lstcon_rpc_put(crpc);
|
|
}
|
|
|
|
if (nd->nd_state != LST_NODE_ACTIVE)
|
|
continue;
|
|
|
|
intv = (jiffies - nd->nd_stamp) / msecs_to_jiffies(MSEC_PER_SEC);
|
|
if (intv < nd->nd_timeout / 2)
|
|
continue;
|
|
|
|
rc = lstcon_rpc_init(nd, SRPC_SERVICE_DEBUG,
|
|
trans->tas_features, 0, 0, 1, crpc);
|
|
if (rc) {
|
|
CERROR("Out of memory\n");
|
|
break;
|
|
}
|
|
|
|
drq = &crpc->crp_rpc->crpc_reqstmsg.msg_body.dbg_reqst;
|
|
|
|
drq->dbg_sid = console_session.ses_id;
|
|
drq->dbg_flags = 0;
|
|
|
|
lstcon_rpc_trans_addreq(trans, crpc);
|
|
lstcon_rpc_post(crpc);
|
|
|
|
count++;
|
|
}
|
|
|
|
if (console_session.ses_expired) {
|
|
mutex_unlock(&console_session.ses_mutex);
|
|
return;
|
|
}
|
|
|
|
CDEBUG(D_NET, "Ping %d nodes in session\n", count);
|
|
|
|
ptimer->stt_expires = ktime_get_real_seconds() + LST_PING_INTERVAL;
|
|
stt_add_timer(ptimer);
|
|
|
|
mutex_unlock(&console_session.ses_mutex);
|
|
}
|
|
|
|
int
|
|
lstcon_rpc_pinger_start(void)
|
|
{
|
|
struct stt_timer *ptimer;
|
|
int rc;
|
|
|
|
LASSERT(list_empty(&console_session.ses_rpc_freelist));
|
|
LASSERT(!atomic_read(&console_session.ses_rpc_counter));
|
|
|
|
rc = lstcon_rpc_trans_prep(NULL, LST_TRANS_SESPING,
|
|
&console_session.ses_ping);
|
|
if (rc) {
|
|
CERROR("Failed to create console pinger\n");
|
|
return rc;
|
|
}
|
|
|
|
ptimer = &console_session.ses_ping_timer;
|
|
ptimer->stt_expires = ktime_get_real_seconds() + LST_PING_INTERVAL;
|
|
|
|
stt_add_timer(ptimer);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
lstcon_rpc_pinger_stop(void)
|
|
{
|
|
LASSERT(console_session.ses_shutdown);
|
|
|
|
stt_del_timer(&console_session.ses_ping_timer);
|
|
|
|
lstcon_rpc_trans_abort(console_session.ses_ping, -ESHUTDOWN);
|
|
lstcon_rpc_trans_stat(console_session.ses_ping, lstcon_trans_stat());
|
|
lstcon_rpc_trans_destroy(console_session.ses_ping);
|
|
|
|
memset(lstcon_trans_stat(), 0, sizeof(struct lstcon_trans_stat));
|
|
|
|
console_session.ses_ping = NULL;
|
|
}
|
|
|
|
void
|
|
lstcon_rpc_cleanup_wait(void)
|
|
{
|
|
struct lstcon_rpc_trans *trans;
|
|
struct lstcon_rpc *crpc;
|
|
struct lstcon_rpc *temp;
|
|
struct list_head *pacer;
|
|
struct list_head zlist;
|
|
|
|
/* Called with hold of global mutex */
|
|
|
|
LASSERT(console_session.ses_shutdown);
|
|
|
|
while (!list_empty(&console_session.ses_trans_list)) {
|
|
list_for_each(pacer, &console_session.ses_trans_list) {
|
|
trans = list_entry(pacer, struct lstcon_rpc_trans,
|
|
tas_link);
|
|
|
|
CDEBUG(D_NET, "Session closed, wakeup transaction %s\n",
|
|
lstcon_rpc_trans_name(trans->tas_opc));
|
|
|
|
wake_up(&trans->tas_waitq);
|
|
}
|
|
|
|
mutex_unlock(&console_session.ses_mutex);
|
|
|
|
CWARN("Session is shutting down, waiting for termination of transactions\n");
|
|
set_current_state(TASK_UNINTERRUPTIBLE);
|
|
schedule_timeout(cfs_time_seconds(1));
|
|
|
|
mutex_lock(&console_session.ses_mutex);
|
|
}
|
|
|
|
spin_lock(&console_session.ses_rpc_lock);
|
|
|
|
lst_wait_until(!atomic_read(&console_session.ses_rpc_counter),
|
|
console_session.ses_rpc_lock,
|
|
"Network is not accessible or target is down, waiting for %d console RPCs to being recycled\n",
|
|
atomic_read(&console_session.ses_rpc_counter));
|
|
|
|
list_add(&zlist, &console_session.ses_rpc_freelist);
|
|
list_del_init(&console_session.ses_rpc_freelist);
|
|
|
|
spin_unlock(&console_session.ses_rpc_lock);
|
|
|
|
list_for_each_entry_safe(crpc, temp, &zlist, crp_link) {
|
|
list_del(&crpc->crp_link);
|
|
LIBCFS_FREE(crpc, sizeof(struct lstcon_rpc));
|
|
}
|
|
}
|
|
|
|
int
|
|
lstcon_rpc_module_init(void)
|
|
{
|
|
INIT_LIST_HEAD(&console_session.ses_ping_timer.stt_list);
|
|
console_session.ses_ping_timer.stt_func = lstcon_rpc_pinger;
|
|
console_session.ses_ping_timer.stt_data = &console_session.ses_ping_timer;
|
|
|
|
console_session.ses_ping = NULL;
|
|
|
|
spin_lock_init(&console_session.ses_rpc_lock);
|
|
atomic_set(&console_session.ses_rpc_counter, 0);
|
|
INIT_LIST_HEAD(&console_session.ses_rpc_freelist);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
lstcon_rpc_module_fini(void)
|
|
{
|
|
LASSERT(list_empty(&console_session.ses_rpc_freelist));
|
|
LASSERT(!atomic_read(&console_session.ses_rpc_counter));
|
|
}
|