1789 lines
41 KiB
C
1789 lines
41 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.sun.com/software/products/lustre/docs/GPLv2.pdf
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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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) 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/framework.c
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*
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* Author: Isaac Huang <isaac@clusterfs.com>
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* Author: Liang Zhen <liangzhen@clusterfs.com>
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*/
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#define DEBUG_SUBSYSTEM S_LNET
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#include "selftest.h"
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lst_sid_t LST_INVALID_SID = {LNET_NID_ANY, -1};
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static int session_timeout = 100;
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module_param(session_timeout, int, 0444);
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MODULE_PARM_DESC(session_timeout, "test session timeout in seconds (100 by default, 0 == never)");
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static int rpc_timeout = 64;
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module_param(rpc_timeout, int, 0644);
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MODULE_PARM_DESC(rpc_timeout, "rpc timeout in seconds (64 by default, 0 == never)");
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#define sfw_unpack_id(id) \
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do { \
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__swab64s(&(id).nid); \
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__swab32s(&(id).pid); \
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} while (0)
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#define sfw_unpack_sid(sid) \
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do { \
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__swab64s(&(sid).ses_nid); \
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__swab64s(&(sid).ses_stamp); \
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} while (0)
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#define sfw_unpack_fw_counters(fc) \
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do { \
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__swab32s(&(fc).running_ms); \
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__swab32s(&(fc).active_batches); \
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__swab32s(&(fc).zombie_sessions); \
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__swab32s(&(fc).brw_errors); \
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__swab32s(&(fc).ping_errors); \
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} while (0)
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#define sfw_unpack_rpc_counters(rc) \
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do { \
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__swab32s(&(rc).errors); \
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__swab32s(&(rc).rpcs_sent); \
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__swab32s(&(rc).rpcs_rcvd); \
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__swab32s(&(rc).rpcs_dropped); \
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__swab32s(&(rc).rpcs_expired); \
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__swab64s(&(rc).bulk_get); \
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__swab64s(&(rc).bulk_put); \
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} while (0)
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#define sfw_unpack_lnet_counters(lc) \
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do { \
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__swab32s(&(lc).errors); \
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__swab32s(&(lc).msgs_max); \
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__swab32s(&(lc).msgs_alloc); \
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__swab32s(&(lc).send_count); \
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__swab32s(&(lc).recv_count); \
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__swab32s(&(lc).drop_count); \
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__swab32s(&(lc).route_count); \
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__swab64s(&(lc).send_length); \
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__swab64s(&(lc).recv_length); \
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__swab64s(&(lc).drop_length); \
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__swab64s(&(lc).route_length); \
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} while (0)
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#define sfw_test_active(t) (atomic_read(&(t)->tsi_nactive))
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#define sfw_batch_active(b) (atomic_read(&(b)->bat_nactive))
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static struct smoketest_framework {
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struct list_head fw_zombie_rpcs; /* RPCs to be recycled */
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struct list_head fw_zombie_sessions; /* stopping sessions */
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struct list_head fw_tests; /* registered test cases */
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atomic_t fw_nzombies; /* # zombie sessions */
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spinlock_t fw_lock; /* serialise */
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sfw_session_t *fw_session; /* _the_ session */
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int fw_shuttingdown; /* shutdown in progress */
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struct srpc_server_rpc *fw_active_srpc;/* running RPC */
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} sfw_data;
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/* forward ref's */
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int sfw_stop_batch(sfw_batch_t *tsb, int force);
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void sfw_destroy_session(sfw_session_t *sn);
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static inline sfw_test_case_t *
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sfw_find_test_case(int id)
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{
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sfw_test_case_t *tsc;
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LASSERT(id <= SRPC_SERVICE_MAX_ID);
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LASSERT(id > SRPC_FRAMEWORK_SERVICE_MAX_ID);
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list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
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if (tsc->tsc_srv_service->sv_id == id)
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return tsc;
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}
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return NULL;
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}
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static int
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sfw_register_test(srpc_service_t *service, sfw_test_client_ops_t *cliops)
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{
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sfw_test_case_t *tsc;
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if (sfw_find_test_case(service->sv_id)) {
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CERROR("Failed to register test %s (%d)\n",
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service->sv_name, service->sv_id);
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return -EEXIST;
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}
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LIBCFS_ALLOC(tsc, sizeof(sfw_test_case_t));
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if (!tsc)
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return -ENOMEM;
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tsc->tsc_cli_ops = cliops;
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tsc->tsc_srv_service = service;
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list_add_tail(&tsc->tsc_list, &sfw_data.fw_tests);
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return 0;
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}
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static void
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sfw_add_session_timer(void)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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struct stt_timer *timer = &sn->sn_timer;
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LASSERT(!sfw_data.fw_shuttingdown);
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if (!sn || !sn->sn_timeout)
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return;
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LASSERT(!sn->sn_timer_active);
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sn->sn_timer_active = 1;
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timer->stt_expires = ktime_get_real_seconds() + sn->sn_timeout;
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stt_add_timer(timer);
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}
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static int
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sfw_del_session_timer(void)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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if (!sn || !sn->sn_timer_active)
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return 0;
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LASSERT(sn->sn_timeout);
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if (stt_del_timer(&sn->sn_timer)) { /* timer defused */
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sn->sn_timer_active = 0;
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return 0;
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}
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return EBUSY; /* racing with sfw_session_expired() */
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}
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static void
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sfw_deactivate_session(void)
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__must_hold(&sfw_data.fw_lock)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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int nactive = 0;
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sfw_batch_t *tsb;
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sfw_test_case_t *tsc;
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if (!sn)
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return;
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LASSERT(!sn->sn_timer_active);
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sfw_data.fw_session = NULL;
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atomic_inc(&sfw_data.fw_nzombies);
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list_add(&sn->sn_list, &sfw_data.fw_zombie_sessions);
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spin_unlock(&sfw_data.fw_lock);
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list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
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srpc_abort_service(tsc->tsc_srv_service);
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}
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spin_lock(&sfw_data.fw_lock);
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list_for_each_entry(tsb, &sn->sn_batches, bat_list) {
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if (sfw_batch_active(tsb)) {
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nactive++;
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sfw_stop_batch(tsb, 1);
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}
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}
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if (nactive)
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return; /* wait for active batches to stop */
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list_del_init(&sn->sn_list);
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spin_unlock(&sfw_data.fw_lock);
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sfw_destroy_session(sn);
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spin_lock(&sfw_data.fw_lock);
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}
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static void
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sfw_session_expired(void *data)
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{
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sfw_session_t *sn = data;
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spin_lock(&sfw_data.fw_lock);
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LASSERT(sn->sn_timer_active);
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LASSERT(sn == sfw_data.fw_session);
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CWARN("Session expired! sid: %s-%llu, name: %s\n",
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libcfs_nid2str(sn->sn_id.ses_nid),
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sn->sn_id.ses_stamp, &sn->sn_name[0]);
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sn->sn_timer_active = 0;
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sfw_deactivate_session();
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spin_unlock(&sfw_data.fw_lock);
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}
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static inline void
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sfw_init_session(sfw_session_t *sn, lst_sid_t sid,
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unsigned features, const char *name)
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{
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struct stt_timer *timer = &sn->sn_timer;
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memset(sn, 0, sizeof(sfw_session_t));
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INIT_LIST_HEAD(&sn->sn_list);
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INIT_LIST_HEAD(&sn->sn_batches);
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atomic_set(&sn->sn_refcount, 1); /* +1 for caller */
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atomic_set(&sn->sn_brw_errors, 0);
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atomic_set(&sn->sn_ping_errors, 0);
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strlcpy(&sn->sn_name[0], name, sizeof(sn->sn_name));
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sn->sn_timer_active = 0;
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sn->sn_id = sid;
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sn->sn_features = features;
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sn->sn_timeout = session_timeout;
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sn->sn_started = cfs_time_current();
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timer->stt_data = sn;
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timer->stt_func = sfw_session_expired;
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INIT_LIST_HEAD(&timer->stt_list);
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}
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/* completion handler for incoming framework RPCs */
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static void
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sfw_server_rpc_done(struct srpc_server_rpc *rpc)
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{
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struct srpc_service *sv = rpc->srpc_scd->scd_svc;
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int status = rpc->srpc_status;
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CDEBUG(D_NET, "Incoming framework RPC done: service %s, peer %s, status %s:%d\n",
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sv->sv_name, libcfs_id2str(rpc->srpc_peer),
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swi_state2str(rpc->srpc_wi.swi_state),
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status);
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if (rpc->srpc_bulk)
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sfw_free_pages(rpc);
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}
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static void
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sfw_client_rpc_fini(srpc_client_rpc_t *rpc)
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{
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LASSERT(!rpc->crpc_bulk.bk_niov);
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LASSERT(list_empty(&rpc->crpc_list));
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LASSERT(!atomic_read(&rpc->crpc_refcount));
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CDEBUG(D_NET, "Outgoing framework RPC done: service %d, peer %s, status %s:%d:%d\n",
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rpc->crpc_service, libcfs_id2str(rpc->crpc_dest),
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swi_state2str(rpc->crpc_wi.swi_state),
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rpc->crpc_aborted, rpc->crpc_status);
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spin_lock(&sfw_data.fw_lock);
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/* my callers must finish all RPCs before shutting me down */
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LASSERT(!sfw_data.fw_shuttingdown);
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list_add(&rpc->crpc_list, &sfw_data.fw_zombie_rpcs);
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spin_unlock(&sfw_data.fw_lock);
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}
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static sfw_batch_t *
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sfw_find_batch(lst_bid_t bid)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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sfw_batch_t *bat;
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LASSERT(sn);
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list_for_each_entry(bat, &sn->sn_batches, bat_list) {
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if (bat->bat_id.bat_id == bid.bat_id)
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return bat;
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}
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return NULL;
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}
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static sfw_batch_t *
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sfw_bid2batch(lst_bid_t bid)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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sfw_batch_t *bat;
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LASSERT(sn);
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bat = sfw_find_batch(bid);
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if (bat)
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return bat;
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LIBCFS_ALLOC(bat, sizeof(sfw_batch_t));
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if (!bat)
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return NULL;
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bat->bat_error = 0;
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bat->bat_session = sn;
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bat->bat_id = bid;
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atomic_set(&bat->bat_nactive, 0);
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INIT_LIST_HEAD(&bat->bat_tests);
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list_add_tail(&bat->bat_list, &sn->sn_batches);
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return bat;
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}
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static int
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sfw_get_stats(srpc_stat_reqst_t *request, srpc_stat_reply_t *reply)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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sfw_counters_t *cnt = &reply->str_fw;
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sfw_batch_t *bat;
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reply->str_sid = !sn ? LST_INVALID_SID : sn->sn_id;
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if (request->str_sid.ses_nid == LNET_NID_ANY) {
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reply->str_status = EINVAL;
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return 0;
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}
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if (!sn || !sfw_sid_equal(request->str_sid, sn->sn_id)) {
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reply->str_status = ESRCH;
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return 0;
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}
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lnet_counters_get(&reply->str_lnet);
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srpc_get_counters(&reply->str_rpc);
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/*
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* send over the msecs since the session was started
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* with 32 bits to send, this is ~49 days
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*/
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cnt->running_ms = jiffies_to_msecs(jiffies - sn->sn_started);
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cnt->brw_errors = atomic_read(&sn->sn_brw_errors);
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cnt->ping_errors = atomic_read(&sn->sn_ping_errors);
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cnt->zombie_sessions = atomic_read(&sfw_data.fw_nzombies);
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cnt->active_batches = 0;
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list_for_each_entry(bat, &sn->sn_batches, bat_list) {
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if (atomic_read(&bat->bat_nactive) > 0)
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cnt->active_batches++;
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}
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reply->str_status = 0;
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return 0;
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}
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int
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sfw_make_session(srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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srpc_msg_t *msg = container_of(request, srpc_msg_t,
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msg_body.mksn_reqst);
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int cplen = 0;
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if (request->mksn_sid.ses_nid == LNET_NID_ANY) {
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reply->mksn_sid = !sn ? LST_INVALID_SID : sn->sn_id;
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reply->mksn_status = EINVAL;
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return 0;
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}
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if (sn) {
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reply->mksn_status = 0;
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reply->mksn_sid = sn->sn_id;
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reply->mksn_timeout = sn->sn_timeout;
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if (sfw_sid_equal(request->mksn_sid, sn->sn_id)) {
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atomic_inc(&sn->sn_refcount);
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return 0;
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}
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if (!request->mksn_force) {
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reply->mksn_status = EBUSY;
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cplen = strlcpy(&reply->mksn_name[0], &sn->sn_name[0],
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sizeof(reply->mksn_name));
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if (cplen >= sizeof(reply->mksn_name))
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return -E2BIG;
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return 0;
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}
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}
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/*
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* reject the request if it requires unknown features
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* NB: old version will always accept all features because it's not
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* aware of srpc_msg_t::msg_ses_feats, it's a defect but it's also
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* harmless because it will return zero feature to console, and it's
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* console's responsibility to make sure all nodes in a session have
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* same feature mask.
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*/
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if (msg->msg_ses_feats & ~LST_FEATS_MASK) {
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reply->mksn_status = EPROTO;
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return 0;
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}
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/* brand new or create by force */
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LIBCFS_ALLOC(sn, sizeof(sfw_session_t));
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if (!sn) {
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CERROR("dropping RPC mksn under memory pressure\n");
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return -ENOMEM;
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}
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sfw_init_session(sn, request->mksn_sid,
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msg->msg_ses_feats, &request->mksn_name[0]);
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spin_lock(&sfw_data.fw_lock);
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sfw_deactivate_session();
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LASSERT(!sfw_data.fw_session);
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sfw_data.fw_session = sn;
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spin_unlock(&sfw_data.fw_lock);
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reply->mksn_status = 0;
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reply->mksn_sid = sn->sn_id;
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reply->mksn_timeout = sn->sn_timeout;
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return 0;
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}
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static int
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sfw_remove_session(srpc_rmsn_reqst_t *request, srpc_rmsn_reply_t *reply)
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{
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sfw_session_t *sn = sfw_data.fw_session;
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reply->rmsn_sid = !sn ? LST_INVALID_SID : sn->sn_id;
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if (request->rmsn_sid.ses_nid == LNET_NID_ANY) {
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reply->rmsn_status = EINVAL;
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return 0;
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}
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if (!sn || !sfw_sid_equal(request->rmsn_sid, sn->sn_id)) {
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reply->rmsn_status = !sn ? ESRCH : EBUSY;
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return 0;
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}
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if (!atomic_dec_and_test(&sn->sn_refcount)) {
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reply->rmsn_status = 0;
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return 0;
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}
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|
|
spin_lock(&sfw_data.fw_lock);
|
|
sfw_deactivate_session();
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
|
|
reply->rmsn_status = 0;
|
|
reply->rmsn_sid = LST_INVALID_SID;
|
|
LASSERT(!sfw_data.fw_session);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfw_debug_session(srpc_debug_reqst_t *request, srpc_debug_reply_t *reply)
|
|
{
|
|
sfw_session_t *sn = sfw_data.fw_session;
|
|
|
|
if (!sn) {
|
|
reply->dbg_status = ESRCH;
|
|
reply->dbg_sid = LST_INVALID_SID;
|
|
return 0;
|
|
}
|
|
|
|
reply->dbg_status = 0;
|
|
reply->dbg_sid = sn->sn_id;
|
|
reply->dbg_timeout = sn->sn_timeout;
|
|
if (strlcpy(reply->dbg_name, &sn->sn_name[0], sizeof(reply->dbg_name))
|
|
>= sizeof(reply->dbg_name))
|
|
return -E2BIG;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfw_test_rpc_fini(srpc_client_rpc_t *rpc)
|
|
{
|
|
sfw_test_unit_t *tsu = rpc->crpc_priv;
|
|
sfw_test_instance_t *tsi = tsu->tsu_instance;
|
|
|
|
/* Called with hold of tsi->tsi_lock */
|
|
LASSERT(list_empty(&rpc->crpc_list));
|
|
list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
|
|
}
|
|
|
|
static inline int
|
|
sfw_test_buffers(sfw_test_instance_t *tsi)
|
|
{
|
|
struct sfw_test_case *tsc;
|
|
struct srpc_service *svc;
|
|
int nbuf;
|
|
|
|
LASSERT(tsi);
|
|
tsc = sfw_find_test_case(tsi->tsi_service);
|
|
LASSERT(tsc);
|
|
svc = tsc->tsc_srv_service;
|
|
LASSERT(svc);
|
|
|
|
nbuf = min(svc->sv_wi_total, tsi->tsi_loop) / svc->sv_ncpts;
|
|
return max(SFW_TEST_WI_MIN, nbuf + SFW_TEST_WI_EXTRA);
|
|
}
|
|
|
|
static int
|
|
sfw_load_test(struct sfw_test_instance *tsi)
|
|
{
|
|
struct sfw_test_case *tsc;
|
|
struct srpc_service *svc;
|
|
int nbuf;
|
|
int rc;
|
|
|
|
LASSERT(tsi);
|
|
tsc = sfw_find_test_case(tsi->tsi_service);
|
|
nbuf = sfw_test_buffers(tsi);
|
|
LASSERT(tsc);
|
|
svc = tsc->tsc_srv_service;
|
|
|
|
if (tsi->tsi_is_client) {
|
|
tsi->tsi_ops = tsc->tsc_cli_ops;
|
|
return 0;
|
|
}
|
|
|
|
rc = srpc_service_add_buffers(svc, nbuf);
|
|
if (rc) {
|
|
CWARN("Failed to reserve enough buffers: service %s, %d needed: %d\n",
|
|
svc->sv_name, nbuf, rc);
|
|
/*
|
|
* NB: this error handler is not strictly correct, because
|
|
* it may release more buffers than already allocated,
|
|
* but it doesn't matter because request portal should
|
|
* be lazy portal and will grow buffers if necessary.
|
|
*/
|
|
srpc_service_remove_buffers(svc, nbuf);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
CDEBUG(D_NET, "Reserved %d buffers for test %s\n",
|
|
nbuf * (srpc_serv_is_framework(svc) ?
|
|
2 : cfs_cpt_number(cfs_cpt_table)), svc->sv_name);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
sfw_unload_test(struct sfw_test_instance *tsi)
|
|
{
|
|
struct sfw_test_case *tsc;
|
|
|
|
LASSERT(tsi);
|
|
tsc = sfw_find_test_case(tsi->tsi_service);
|
|
LASSERT(tsc);
|
|
|
|
if (tsi->tsi_is_client)
|
|
return;
|
|
|
|
/*
|
|
* shrink buffers, because request portal is lazy portal
|
|
* which can grow buffers at runtime so we may leave
|
|
* some buffers behind, but never mind...
|
|
*/
|
|
srpc_service_remove_buffers(tsc->tsc_srv_service,
|
|
sfw_test_buffers(tsi));
|
|
}
|
|
|
|
static void
|
|
sfw_destroy_test_instance(sfw_test_instance_t *tsi)
|
|
{
|
|
srpc_client_rpc_t *rpc;
|
|
sfw_test_unit_t *tsu;
|
|
|
|
if (!tsi->tsi_is_client)
|
|
goto clean;
|
|
|
|
tsi->tsi_ops->tso_fini(tsi);
|
|
|
|
LASSERT(!tsi->tsi_stopping);
|
|
LASSERT(list_empty(&tsi->tsi_active_rpcs));
|
|
LASSERT(!sfw_test_active(tsi));
|
|
|
|
while (!list_empty(&tsi->tsi_units)) {
|
|
tsu = list_entry(tsi->tsi_units.next,
|
|
sfw_test_unit_t, tsu_list);
|
|
list_del(&tsu->tsu_list);
|
|
LIBCFS_FREE(tsu, sizeof(*tsu));
|
|
}
|
|
|
|
while (!list_empty(&tsi->tsi_free_rpcs)) {
|
|
rpc = list_entry(tsi->tsi_free_rpcs.next,
|
|
srpc_client_rpc_t, crpc_list);
|
|
list_del(&rpc->crpc_list);
|
|
LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
|
|
}
|
|
|
|
clean:
|
|
sfw_unload_test(tsi);
|
|
LIBCFS_FREE(tsi, sizeof(*tsi));
|
|
}
|
|
|
|
static void
|
|
sfw_destroy_batch(sfw_batch_t *tsb)
|
|
{
|
|
sfw_test_instance_t *tsi;
|
|
|
|
LASSERT(!sfw_batch_active(tsb));
|
|
LASSERT(list_empty(&tsb->bat_list));
|
|
|
|
while (!list_empty(&tsb->bat_tests)) {
|
|
tsi = list_entry(tsb->bat_tests.next,
|
|
sfw_test_instance_t, tsi_list);
|
|
list_del_init(&tsi->tsi_list);
|
|
sfw_destroy_test_instance(tsi);
|
|
}
|
|
|
|
LIBCFS_FREE(tsb, sizeof(sfw_batch_t));
|
|
}
|
|
|
|
void
|
|
sfw_destroy_session(sfw_session_t *sn)
|
|
{
|
|
sfw_batch_t *batch;
|
|
|
|
LASSERT(list_empty(&sn->sn_list));
|
|
LASSERT(sn != sfw_data.fw_session);
|
|
|
|
while (!list_empty(&sn->sn_batches)) {
|
|
batch = list_entry(sn->sn_batches.next,
|
|
sfw_batch_t, bat_list);
|
|
list_del_init(&batch->bat_list);
|
|
sfw_destroy_batch(batch);
|
|
}
|
|
|
|
LIBCFS_FREE(sn, sizeof(*sn));
|
|
atomic_dec(&sfw_data.fw_nzombies);
|
|
}
|
|
|
|
static void
|
|
sfw_unpack_addtest_req(srpc_msg_t *msg)
|
|
{
|
|
srpc_test_reqst_t *req = &msg->msg_body.tes_reqst;
|
|
|
|
LASSERT(msg->msg_type == SRPC_MSG_TEST_REQST);
|
|
LASSERT(req->tsr_is_client);
|
|
|
|
if (msg->msg_magic == SRPC_MSG_MAGIC)
|
|
return; /* no flipping needed */
|
|
|
|
LASSERT(msg->msg_magic == __swab32(SRPC_MSG_MAGIC));
|
|
|
|
if (req->tsr_service == SRPC_SERVICE_BRW) {
|
|
if (!(msg->msg_ses_feats & LST_FEAT_BULK_LEN)) {
|
|
test_bulk_req_t *bulk = &req->tsr_u.bulk_v0;
|
|
|
|
__swab32s(&bulk->blk_opc);
|
|
__swab32s(&bulk->blk_npg);
|
|
__swab32s(&bulk->blk_flags);
|
|
|
|
} else {
|
|
test_bulk_req_v1_t *bulk = &req->tsr_u.bulk_v1;
|
|
|
|
__swab16s(&bulk->blk_opc);
|
|
__swab16s(&bulk->blk_flags);
|
|
__swab32s(&bulk->blk_offset);
|
|
__swab32s(&bulk->blk_len);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (req->tsr_service == SRPC_SERVICE_PING) {
|
|
test_ping_req_t *ping = &req->tsr_u.ping;
|
|
|
|
__swab32s(&ping->png_size);
|
|
__swab32s(&ping->png_flags);
|
|
return;
|
|
}
|
|
|
|
LBUG();
|
|
}
|
|
|
|
static int
|
|
sfw_add_test_instance(sfw_batch_t *tsb, struct srpc_server_rpc *rpc)
|
|
{
|
|
srpc_msg_t *msg = &rpc->srpc_reqstbuf->buf_msg;
|
|
srpc_test_reqst_t *req = &msg->msg_body.tes_reqst;
|
|
srpc_bulk_t *bk = rpc->srpc_bulk;
|
|
int ndest = req->tsr_ndest;
|
|
sfw_test_unit_t *tsu;
|
|
sfw_test_instance_t *tsi;
|
|
int i;
|
|
int rc;
|
|
|
|
LIBCFS_ALLOC(tsi, sizeof(*tsi));
|
|
if (!tsi) {
|
|
CERROR("Can't allocate test instance for batch: %llu\n",
|
|
tsb->bat_id.bat_id);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
spin_lock_init(&tsi->tsi_lock);
|
|
atomic_set(&tsi->tsi_nactive, 0);
|
|
INIT_LIST_HEAD(&tsi->tsi_units);
|
|
INIT_LIST_HEAD(&tsi->tsi_free_rpcs);
|
|
INIT_LIST_HEAD(&tsi->tsi_active_rpcs);
|
|
|
|
tsi->tsi_stopping = 0;
|
|
tsi->tsi_batch = tsb;
|
|
tsi->tsi_loop = req->tsr_loop;
|
|
tsi->tsi_concur = req->tsr_concur;
|
|
tsi->tsi_service = req->tsr_service;
|
|
tsi->tsi_is_client = !!(req->tsr_is_client);
|
|
tsi->tsi_stoptsu_onerr = !!(req->tsr_stop_onerr);
|
|
|
|
rc = sfw_load_test(tsi);
|
|
if (rc) {
|
|
LIBCFS_FREE(tsi, sizeof(*tsi));
|
|
return rc;
|
|
}
|
|
|
|
LASSERT(!sfw_batch_active(tsb));
|
|
|
|
if (!tsi->tsi_is_client) {
|
|
/* it's test server, just add it to tsb */
|
|
list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
|
|
return 0;
|
|
}
|
|
|
|
LASSERT(bk);
|
|
LASSERT(bk->bk_niov * SFW_ID_PER_PAGE >= (unsigned int)ndest);
|
|
LASSERT((unsigned int)bk->bk_len >=
|
|
sizeof(lnet_process_id_packed_t) * ndest);
|
|
|
|
sfw_unpack_addtest_req(msg);
|
|
memcpy(&tsi->tsi_u, &req->tsr_u, sizeof(tsi->tsi_u));
|
|
|
|
for (i = 0; i < ndest; i++) {
|
|
lnet_process_id_packed_t *dests;
|
|
lnet_process_id_packed_t id;
|
|
int j;
|
|
|
|
dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].kiov_page);
|
|
LASSERT(dests); /* my pages are within KVM always */
|
|
id = dests[i % SFW_ID_PER_PAGE];
|
|
if (msg->msg_magic != SRPC_MSG_MAGIC)
|
|
sfw_unpack_id(id);
|
|
|
|
for (j = 0; j < tsi->tsi_concur; j++) {
|
|
LIBCFS_ALLOC(tsu, sizeof(sfw_test_unit_t));
|
|
if (!tsu) {
|
|
rc = -ENOMEM;
|
|
CERROR("Can't allocate tsu for %d\n",
|
|
tsi->tsi_service);
|
|
goto error;
|
|
}
|
|
|
|
tsu->tsu_dest.nid = id.nid;
|
|
tsu->tsu_dest.pid = id.pid;
|
|
tsu->tsu_instance = tsi;
|
|
tsu->tsu_private = NULL;
|
|
list_add_tail(&tsu->tsu_list, &tsi->tsi_units);
|
|
}
|
|
}
|
|
|
|
rc = tsi->tsi_ops->tso_init(tsi);
|
|
if (!rc) {
|
|
list_add_tail(&tsi->tsi_list, &tsb->bat_tests);
|
|
return 0;
|
|
}
|
|
|
|
error:
|
|
LASSERT(rc);
|
|
sfw_destroy_test_instance(tsi);
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
sfw_test_unit_done(sfw_test_unit_t *tsu)
|
|
{
|
|
sfw_test_instance_t *tsi = tsu->tsu_instance;
|
|
sfw_batch_t *tsb = tsi->tsi_batch;
|
|
sfw_session_t *sn = tsb->bat_session;
|
|
|
|
LASSERT(sfw_test_active(tsi));
|
|
|
|
if (!atomic_dec_and_test(&tsi->tsi_nactive))
|
|
return;
|
|
|
|
/* the test instance is done */
|
|
spin_lock(&tsi->tsi_lock);
|
|
|
|
tsi->tsi_stopping = 0;
|
|
|
|
spin_unlock(&tsi->tsi_lock);
|
|
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
if (!atomic_dec_and_test(&tsb->bat_nactive) ||/* tsb still active */
|
|
sn == sfw_data.fw_session) { /* sn also active */
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return;
|
|
}
|
|
|
|
LASSERT(!list_empty(&sn->sn_list)); /* I'm a zombie! */
|
|
|
|
list_for_each_entry(tsb, &sn->sn_batches, bat_list) {
|
|
if (sfw_batch_active(tsb)) {
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return;
|
|
}
|
|
}
|
|
|
|
list_del_init(&sn->sn_list);
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
|
|
sfw_destroy_session(sn);
|
|
}
|
|
|
|
static void
|
|
sfw_test_rpc_done(srpc_client_rpc_t *rpc)
|
|
{
|
|
sfw_test_unit_t *tsu = rpc->crpc_priv;
|
|
sfw_test_instance_t *tsi = tsu->tsu_instance;
|
|
int done = 0;
|
|
|
|
tsi->tsi_ops->tso_done_rpc(tsu, rpc);
|
|
|
|
spin_lock(&tsi->tsi_lock);
|
|
|
|
LASSERT(sfw_test_active(tsi));
|
|
LASSERT(!list_empty(&rpc->crpc_list));
|
|
|
|
list_del_init(&rpc->crpc_list);
|
|
|
|
/* batch is stopping or loop is done or get error */
|
|
if (tsi->tsi_stopping || !tsu->tsu_loop ||
|
|
(rpc->crpc_status && tsi->tsi_stoptsu_onerr))
|
|
done = 1;
|
|
|
|
/* dec ref for poster */
|
|
srpc_client_rpc_decref(rpc);
|
|
|
|
spin_unlock(&tsi->tsi_lock);
|
|
|
|
if (!done) {
|
|
swi_schedule_workitem(&tsu->tsu_worker);
|
|
return;
|
|
}
|
|
|
|
sfw_test_unit_done(tsu);
|
|
}
|
|
|
|
int
|
|
sfw_create_test_rpc(sfw_test_unit_t *tsu, lnet_process_id_t peer,
|
|
unsigned features, int nblk, int blklen,
|
|
srpc_client_rpc_t **rpcpp)
|
|
{
|
|
srpc_client_rpc_t *rpc = NULL;
|
|
sfw_test_instance_t *tsi = tsu->tsu_instance;
|
|
|
|
spin_lock(&tsi->tsi_lock);
|
|
|
|
LASSERT(sfw_test_active(tsi));
|
|
/* pick request from buffer */
|
|
rpc = list_first_entry_or_null(&tsi->tsi_free_rpcs,
|
|
srpc_client_rpc_t, crpc_list);
|
|
if (rpc) {
|
|
LASSERT(nblk == rpc->crpc_bulk.bk_niov);
|
|
list_del_init(&rpc->crpc_list);
|
|
}
|
|
|
|
spin_unlock(&tsi->tsi_lock);
|
|
|
|
if (!rpc) {
|
|
rpc = srpc_create_client_rpc(peer, tsi->tsi_service, nblk,
|
|
blklen, sfw_test_rpc_done,
|
|
sfw_test_rpc_fini, tsu);
|
|
} else {
|
|
srpc_init_client_rpc(rpc, peer, tsi->tsi_service, nblk,
|
|
blklen, sfw_test_rpc_done,
|
|
sfw_test_rpc_fini, tsu);
|
|
}
|
|
|
|
if (!rpc) {
|
|
CERROR("Can't create rpc for test %d\n", tsi->tsi_service);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
rpc->crpc_reqstmsg.msg_ses_feats = features;
|
|
*rpcpp = rpc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfw_run_test(swi_workitem_t *wi)
|
|
{
|
|
sfw_test_unit_t *tsu = wi->swi_workitem.wi_data;
|
|
sfw_test_instance_t *tsi = tsu->tsu_instance;
|
|
srpc_client_rpc_t *rpc = NULL;
|
|
|
|
LASSERT(wi == &tsu->tsu_worker);
|
|
|
|
if (tsi->tsi_ops->tso_prep_rpc(tsu, tsu->tsu_dest, &rpc)) {
|
|
LASSERT(!rpc);
|
|
goto test_done;
|
|
}
|
|
|
|
LASSERT(rpc);
|
|
|
|
spin_lock(&tsi->tsi_lock);
|
|
|
|
if (tsi->tsi_stopping) {
|
|
list_add(&rpc->crpc_list, &tsi->tsi_free_rpcs);
|
|
spin_unlock(&tsi->tsi_lock);
|
|
goto test_done;
|
|
}
|
|
|
|
if (tsu->tsu_loop > 0)
|
|
tsu->tsu_loop--;
|
|
|
|
list_add_tail(&rpc->crpc_list, &tsi->tsi_active_rpcs);
|
|
spin_unlock(&tsi->tsi_lock);
|
|
|
|
spin_lock(&rpc->crpc_lock);
|
|
rpc->crpc_timeout = rpc_timeout;
|
|
srpc_post_rpc(rpc);
|
|
spin_unlock(&rpc->crpc_lock);
|
|
return 0;
|
|
|
|
test_done:
|
|
/*
|
|
* No one can schedule me now since:
|
|
* - previous RPC, if any, has done and
|
|
* - no new RPC is initiated.
|
|
* - my batch is still active; no one can run it again now.
|
|
* Cancel pending schedules and prevent future schedule attempts:
|
|
*/
|
|
swi_exit_workitem(wi);
|
|
sfw_test_unit_done(tsu);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
sfw_run_batch(sfw_batch_t *tsb)
|
|
{
|
|
swi_workitem_t *wi;
|
|
sfw_test_unit_t *tsu;
|
|
sfw_test_instance_t *tsi;
|
|
|
|
if (sfw_batch_active(tsb)) {
|
|
CDEBUG(D_NET, "Batch already active: %llu (%d)\n",
|
|
tsb->bat_id.bat_id, atomic_read(&tsb->bat_nactive));
|
|
return 0;
|
|
}
|
|
|
|
list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
|
|
if (!tsi->tsi_is_client) /* skip server instances */
|
|
continue;
|
|
|
|
LASSERT(!tsi->tsi_stopping);
|
|
LASSERT(!sfw_test_active(tsi));
|
|
|
|
atomic_inc(&tsb->bat_nactive);
|
|
|
|
list_for_each_entry(tsu, &tsi->tsi_units, tsu_list) {
|
|
atomic_inc(&tsi->tsi_nactive);
|
|
tsu->tsu_loop = tsi->tsi_loop;
|
|
wi = &tsu->tsu_worker;
|
|
swi_init_workitem(wi, tsu, sfw_run_test,
|
|
lst_sched_test[lnet_cpt_of_nid(tsu->tsu_dest.nid)]);
|
|
swi_schedule_workitem(wi);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sfw_stop_batch(sfw_batch_t *tsb, int force)
|
|
{
|
|
sfw_test_instance_t *tsi;
|
|
srpc_client_rpc_t *rpc;
|
|
|
|
if (!sfw_batch_active(tsb)) {
|
|
CDEBUG(D_NET, "Batch %llu inactive\n", tsb->bat_id.bat_id);
|
|
return 0;
|
|
}
|
|
|
|
list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
|
|
spin_lock(&tsi->tsi_lock);
|
|
|
|
if (!tsi->tsi_is_client ||
|
|
!sfw_test_active(tsi) || tsi->tsi_stopping) {
|
|
spin_unlock(&tsi->tsi_lock);
|
|
continue;
|
|
}
|
|
|
|
tsi->tsi_stopping = 1;
|
|
|
|
if (!force) {
|
|
spin_unlock(&tsi->tsi_lock);
|
|
continue;
|
|
}
|
|
|
|
/* abort launched rpcs in the test */
|
|
list_for_each_entry(rpc, &tsi->tsi_active_rpcs, crpc_list) {
|
|
spin_lock(&rpc->crpc_lock);
|
|
|
|
srpc_abort_rpc(rpc, -EINTR);
|
|
|
|
spin_unlock(&rpc->crpc_lock);
|
|
}
|
|
|
|
spin_unlock(&tsi->tsi_lock);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfw_query_batch(sfw_batch_t *tsb, int testidx, srpc_batch_reply_t *reply)
|
|
{
|
|
sfw_test_instance_t *tsi;
|
|
|
|
if (testidx < 0)
|
|
return -EINVAL;
|
|
|
|
if (!testidx) {
|
|
reply->bar_active = atomic_read(&tsb->bat_nactive);
|
|
return 0;
|
|
}
|
|
|
|
list_for_each_entry(tsi, &tsb->bat_tests, tsi_list) {
|
|
if (testidx-- > 1)
|
|
continue;
|
|
|
|
reply->bar_active = atomic_read(&tsi->tsi_nactive);
|
|
return 0;
|
|
}
|
|
|
|
return -ENOENT;
|
|
}
|
|
|
|
void
|
|
sfw_free_pages(struct srpc_server_rpc *rpc)
|
|
{
|
|
srpc_free_bulk(rpc->srpc_bulk);
|
|
rpc->srpc_bulk = NULL;
|
|
}
|
|
|
|
int
|
|
sfw_alloc_pages(struct srpc_server_rpc *rpc, int cpt, int npages, int len,
|
|
int sink)
|
|
{
|
|
LASSERT(!rpc->srpc_bulk);
|
|
LASSERT(npages > 0 && npages <= LNET_MAX_IOV);
|
|
|
|
rpc->srpc_bulk = srpc_alloc_bulk(cpt, npages, len, sink);
|
|
if (!rpc->srpc_bulk)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfw_add_test(struct srpc_server_rpc *rpc)
|
|
{
|
|
sfw_session_t *sn = sfw_data.fw_session;
|
|
srpc_test_reply_t *reply = &rpc->srpc_replymsg.msg_body.tes_reply;
|
|
srpc_test_reqst_t *request;
|
|
int rc;
|
|
sfw_batch_t *bat;
|
|
|
|
request = &rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst;
|
|
reply->tsr_sid = !sn ? LST_INVALID_SID : sn->sn_id;
|
|
|
|
if (!request->tsr_loop ||
|
|
!request->tsr_concur ||
|
|
request->tsr_sid.ses_nid == LNET_NID_ANY ||
|
|
request->tsr_ndest > SFW_MAX_NDESTS ||
|
|
(request->tsr_is_client && !request->tsr_ndest) ||
|
|
request->tsr_concur > SFW_MAX_CONCUR ||
|
|
request->tsr_service > SRPC_SERVICE_MAX_ID ||
|
|
request->tsr_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID) {
|
|
reply->tsr_status = EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
if (!sn || !sfw_sid_equal(request->tsr_sid, sn->sn_id) ||
|
|
!sfw_find_test_case(request->tsr_service)) {
|
|
reply->tsr_status = ENOENT;
|
|
return 0;
|
|
}
|
|
|
|
bat = sfw_bid2batch(request->tsr_bid);
|
|
if (!bat) {
|
|
CERROR("dropping RPC %s from %s under memory pressure\n",
|
|
rpc->srpc_scd->scd_svc->sv_name,
|
|
libcfs_id2str(rpc->srpc_peer));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
if (sfw_batch_active(bat)) {
|
|
reply->tsr_status = EBUSY;
|
|
return 0;
|
|
}
|
|
|
|
if (request->tsr_is_client && !rpc->srpc_bulk) {
|
|
/* rpc will be resumed later in sfw_bulk_ready */
|
|
int npg = sfw_id_pages(request->tsr_ndest);
|
|
int len;
|
|
|
|
if (!(sn->sn_features & LST_FEAT_BULK_LEN)) {
|
|
len = npg * PAGE_SIZE;
|
|
|
|
} else {
|
|
len = sizeof(lnet_process_id_packed_t) *
|
|
request->tsr_ndest;
|
|
}
|
|
|
|
return sfw_alloc_pages(rpc, CFS_CPT_ANY, npg, len, 1);
|
|
}
|
|
|
|
rc = sfw_add_test_instance(bat, rpc);
|
|
CDEBUG(!rc ? D_NET : D_WARNING,
|
|
"%s test: sv %d %s, loop %d, concur %d, ndest %d\n",
|
|
!rc ? "Added" : "Failed to add", request->tsr_service,
|
|
request->tsr_is_client ? "client" : "server",
|
|
request->tsr_loop, request->tsr_concur, request->tsr_ndest);
|
|
|
|
reply->tsr_status = (rc < 0) ? -rc : rc;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfw_control_batch(srpc_batch_reqst_t *request, srpc_batch_reply_t *reply)
|
|
{
|
|
sfw_session_t *sn = sfw_data.fw_session;
|
|
int rc = 0;
|
|
sfw_batch_t *bat;
|
|
|
|
reply->bar_sid = !sn ? LST_INVALID_SID : sn->sn_id;
|
|
|
|
if (!sn || !sfw_sid_equal(request->bar_sid, sn->sn_id)) {
|
|
reply->bar_status = ESRCH;
|
|
return 0;
|
|
}
|
|
|
|
bat = sfw_find_batch(request->bar_bid);
|
|
if (!bat) {
|
|
reply->bar_status = ENOENT;
|
|
return 0;
|
|
}
|
|
|
|
switch (request->bar_opc) {
|
|
case SRPC_BATCH_OPC_RUN:
|
|
rc = sfw_run_batch(bat);
|
|
break;
|
|
|
|
case SRPC_BATCH_OPC_STOP:
|
|
rc = sfw_stop_batch(bat, request->bar_arg);
|
|
break;
|
|
|
|
case SRPC_BATCH_OPC_QUERY:
|
|
rc = sfw_query_batch(bat, request->bar_testidx, reply);
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL; /* drop it */
|
|
}
|
|
|
|
reply->bar_status = (rc < 0) ? -rc : rc;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sfw_handle_server_rpc(struct srpc_server_rpc *rpc)
|
|
{
|
|
struct srpc_service *sv = rpc->srpc_scd->scd_svc;
|
|
srpc_msg_t *reply = &rpc->srpc_replymsg;
|
|
srpc_msg_t *request = &rpc->srpc_reqstbuf->buf_msg;
|
|
unsigned features = LST_FEATS_MASK;
|
|
int rc = 0;
|
|
|
|
LASSERT(!sfw_data.fw_active_srpc);
|
|
LASSERT(sv->sv_id <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
|
|
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
if (sfw_data.fw_shuttingdown) {
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return -ESHUTDOWN;
|
|
}
|
|
|
|
/* Remove timer to avoid racing with it or expiring active session */
|
|
if (sfw_del_session_timer()) {
|
|
CERROR("Dropping RPC (%s) from %s: racing with expiry timer.",
|
|
sv->sv_name, libcfs_id2str(rpc->srpc_peer));
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return -EAGAIN;
|
|
}
|
|
|
|
sfw_data.fw_active_srpc = rpc;
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
|
|
sfw_unpack_message(request);
|
|
LASSERT(request->msg_type == srpc_service2request(sv->sv_id));
|
|
|
|
/* rpc module should have checked this */
|
|
LASSERT(request->msg_version == SRPC_MSG_VERSION);
|
|
|
|
if (sv->sv_id != SRPC_SERVICE_MAKE_SESSION &&
|
|
sv->sv_id != SRPC_SERVICE_DEBUG) {
|
|
sfw_session_t *sn = sfw_data.fw_session;
|
|
|
|
if (sn &&
|
|
sn->sn_features != request->msg_ses_feats) {
|
|
CNETERR("Features of framework RPC don't match features of current session: %x/%x\n",
|
|
request->msg_ses_feats, sn->sn_features);
|
|
reply->msg_body.reply.status = EPROTO;
|
|
reply->msg_body.reply.sid = sn->sn_id;
|
|
goto out;
|
|
}
|
|
|
|
} else if (request->msg_ses_feats & ~LST_FEATS_MASK) {
|
|
/**
|
|
* NB: at this point, old version will ignore features and
|
|
* create new session anyway, so console should be able
|
|
* to handle this
|
|
*/
|
|
reply->msg_body.reply.status = EPROTO;
|
|
goto out;
|
|
}
|
|
|
|
switch (sv->sv_id) {
|
|
default:
|
|
LBUG();
|
|
case SRPC_SERVICE_TEST:
|
|
rc = sfw_add_test(rpc);
|
|
break;
|
|
|
|
case SRPC_SERVICE_BATCH:
|
|
rc = sfw_control_batch(&request->msg_body.bat_reqst,
|
|
&reply->msg_body.bat_reply);
|
|
break;
|
|
|
|
case SRPC_SERVICE_QUERY_STAT:
|
|
rc = sfw_get_stats(&request->msg_body.stat_reqst,
|
|
&reply->msg_body.stat_reply);
|
|
break;
|
|
|
|
case SRPC_SERVICE_DEBUG:
|
|
rc = sfw_debug_session(&request->msg_body.dbg_reqst,
|
|
&reply->msg_body.dbg_reply);
|
|
break;
|
|
|
|
case SRPC_SERVICE_MAKE_SESSION:
|
|
rc = sfw_make_session(&request->msg_body.mksn_reqst,
|
|
&reply->msg_body.mksn_reply);
|
|
break;
|
|
|
|
case SRPC_SERVICE_REMOVE_SESSION:
|
|
rc = sfw_remove_session(&request->msg_body.rmsn_reqst,
|
|
&reply->msg_body.rmsn_reply);
|
|
break;
|
|
}
|
|
|
|
if (sfw_data.fw_session)
|
|
features = sfw_data.fw_session->sn_features;
|
|
out:
|
|
reply->msg_ses_feats = features;
|
|
rpc->srpc_done = sfw_server_rpc_done;
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
if (!sfw_data.fw_shuttingdown)
|
|
sfw_add_session_timer();
|
|
|
|
sfw_data.fw_active_srpc = NULL;
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
sfw_bulk_ready(struct srpc_server_rpc *rpc, int status)
|
|
{
|
|
struct srpc_service *sv = rpc->srpc_scd->scd_svc;
|
|
int rc;
|
|
|
|
LASSERT(rpc->srpc_bulk);
|
|
LASSERT(sv->sv_id == SRPC_SERVICE_TEST);
|
|
LASSERT(!sfw_data.fw_active_srpc);
|
|
LASSERT(rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst.tsr_is_client);
|
|
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
if (status) {
|
|
CERROR("Bulk transfer failed for RPC: service %s, peer %s, status %d\n",
|
|
sv->sv_name, libcfs_id2str(rpc->srpc_peer), status);
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return -EIO;
|
|
}
|
|
|
|
if (sfw_data.fw_shuttingdown) {
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return -ESHUTDOWN;
|
|
}
|
|
|
|
if (sfw_del_session_timer()) {
|
|
CERROR("dropping RPC %s from %s: racing with expiry timer\n",
|
|
sv->sv_name, libcfs_id2str(rpc->srpc_peer));
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return -EAGAIN;
|
|
}
|
|
|
|
sfw_data.fw_active_srpc = rpc;
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
|
|
rc = sfw_add_test(rpc);
|
|
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
if (!sfw_data.fw_shuttingdown)
|
|
sfw_add_session_timer();
|
|
|
|
sfw_data.fw_active_srpc = NULL;
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
return rc;
|
|
}
|
|
|
|
srpc_client_rpc_t *
|
|
sfw_create_rpc(lnet_process_id_t peer, int service,
|
|
unsigned features, int nbulkiov, int bulklen,
|
|
void (*done)(srpc_client_rpc_t *), void *priv)
|
|
{
|
|
srpc_client_rpc_t *rpc = NULL;
|
|
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
LASSERT(!sfw_data.fw_shuttingdown);
|
|
LASSERT(service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
|
|
|
|
if (!nbulkiov && !list_empty(&sfw_data.fw_zombie_rpcs)) {
|
|
rpc = list_entry(sfw_data.fw_zombie_rpcs.next,
|
|
srpc_client_rpc_t, crpc_list);
|
|
list_del(&rpc->crpc_list);
|
|
|
|
srpc_init_client_rpc(rpc, peer, service, 0, 0,
|
|
done, sfw_client_rpc_fini, priv);
|
|
}
|
|
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
|
|
if (!rpc) {
|
|
rpc = srpc_create_client_rpc(peer, service,
|
|
nbulkiov, bulklen, done,
|
|
nbulkiov ? NULL :
|
|
sfw_client_rpc_fini,
|
|
priv);
|
|
}
|
|
|
|
if (rpc) /* "session" is concept in framework */
|
|
rpc->crpc_reqstmsg.msg_ses_feats = features;
|
|
|
|
return rpc;
|
|
}
|
|
|
|
void
|
|
sfw_unpack_message(srpc_msg_t *msg)
|
|
{
|
|
if (msg->msg_magic == SRPC_MSG_MAGIC)
|
|
return; /* no flipping needed */
|
|
|
|
/* srpc module should guarantee I wouldn't get crap */
|
|
LASSERT(msg->msg_magic == __swab32(SRPC_MSG_MAGIC));
|
|
|
|
if (msg->msg_type == SRPC_MSG_STAT_REQST) {
|
|
srpc_stat_reqst_t *req = &msg->msg_body.stat_reqst;
|
|
|
|
__swab32s(&req->str_type);
|
|
__swab64s(&req->str_rpyid);
|
|
sfw_unpack_sid(req->str_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_STAT_REPLY) {
|
|
srpc_stat_reply_t *rep = &msg->msg_body.stat_reply;
|
|
|
|
__swab32s(&rep->str_status);
|
|
sfw_unpack_sid(rep->str_sid);
|
|
sfw_unpack_fw_counters(rep->str_fw);
|
|
sfw_unpack_rpc_counters(rep->str_rpc);
|
|
sfw_unpack_lnet_counters(rep->str_lnet);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_MKSN_REQST) {
|
|
srpc_mksn_reqst_t *req = &msg->msg_body.mksn_reqst;
|
|
|
|
__swab64s(&req->mksn_rpyid);
|
|
__swab32s(&req->mksn_force);
|
|
sfw_unpack_sid(req->mksn_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_MKSN_REPLY) {
|
|
srpc_mksn_reply_t *rep = &msg->msg_body.mksn_reply;
|
|
|
|
__swab32s(&rep->mksn_status);
|
|
__swab32s(&rep->mksn_timeout);
|
|
sfw_unpack_sid(rep->mksn_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_RMSN_REQST) {
|
|
srpc_rmsn_reqst_t *req = &msg->msg_body.rmsn_reqst;
|
|
|
|
__swab64s(&req->rmsn_rpyid);
|
|
sfw_unpack_sid(req->rmsn_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_RMSN_REPLY) {
|
|
srpc_rmsn_reply_t *rep = &msg->msg_body.rmsn_reply;
|
|
|
|
__swab32s(&rep->rmsn_status);
|
|
sfw_unpack_sid(rep->rmsn_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_DEBUG_REQST) {
|
|
srpc_debug_reqst_t *req = &msg->msg_body.dbg_reqst;
|
|
|
|
__swab64s(&req->dbg_rpyid);
|
|
__swab32s(&req->dbg_flags);
|
|
sfw_unpack_sid(req->dbg_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_DEBUG_REPLY) {
|
|
srpc_debug_reply_t *rep = &msg->msg_body.dbg_reply;
|
|
|
|
__swab32s(&rep->dbg_nbatch);
|
|
__swab32s(&rep->dbg_timeout);
|
|
sfw_unpack_sid(rep->dbg_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_BATCH_REQST) {
|
|
srpc_batch_reqst_t *req = &msg->msg_body.bat_reqst;
|
|
|
|
__swab32s(&req->bar_opc);
|
|
__swab64s(&req->bar_rpyid);
|
|
__swab32s(&req->bar_testidx);
|
|
__swab32s(&req->bar_arg);
|
|
sfw_unpack_sid(req->bar_sid);
|
|
__swab64s(&req->bar_bid.bat_id);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_BATCH_REPLY) {
|
|
srpc_batch_reply_t *rep = &msg->msg_body.bat_reply;
|
|
|
|
__swab32s(&rep->bar_status);
|
|
sfw_unpack_sid(rep->bar_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_TEST_REQST) {
|
|
srpc_test_reqst_t *req = &msg->msg_body.tes_reqst;
|
|
|
|
__swab64s(&req->tsr_rpyid);
|
|
__swab64s(&req->tsr_bulkid);
|
|
__swab32s(&req->tsr_loop);
|
|
__swab32s(&req->tsr_ndest);
|
|
__swab32s(&req->tsr_concur);
|
|
__swab32s(&req->tsr_service);
|
|
sfw_unpack_sid(req->tsr_sid);
|
|
__swab64s(&req->tsr_bid.bat_id);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_TEST_REPLY) {
|
|
srpc_test_reply_t *rep = &msg->msg_body.tes_reply;
|
|
|
|
__swab32s(&rep->tsr_status);
|
|
sfw_unpack_sid(rep->tsr_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_JOIN_REQST) {
|
|
srpc_join_reqst_t *req = &msg->msg_body.join_reqst;
|
|
|
|
__swab64s(&req->join_rpyid);
|
|
sfw_unpack_sid(req->join_sid);
|
|
return;
|
|
}
|
|
|
|
if (msg->msg_type == SRPC_MSG_JOIN_REPLY) {
|
|
srpc_join_reply_t *rep = &msg->msg_body.join_reply;
|
|
|
|
__swab32s(&rep->join_status);
|
|
__swab32s(&rep->join_timeout);
|
|
sfw_unpack_sid(rep->join_sid);
|
|
return;
|
|
}
|
|
|
|
LBUG();
|
|
}
|
|
|
|
void
|
|
sfw_abort_rpc(srpc_client_rpc_t *rpc)
|
|
{
|
|
LASSERT(atomic_read(&rpc->crpc_refcount) > 0);
|
|
LASSERT(rpc->crpc_service <= SRPC_FRAMEWORK_SERVICE_MAX_ID);
|
|
|
|
spin_lock(&rpc->crpc_lock);
|
|
srpc_abort_rpc(rpc, -EINTR);
|
|
spin_unlock(&rpc->crpc_lock);
|
|
}
|
|
|
|
void
|
|
sfw_post_rpc(srpc_client_rpc_t *rpc)
|
|
{
|
|
spin_lock(&rpc->crpc_lock);
|
|
|
|
LASSERT(!rpc->crpc_closed);
|
|
LASSERT(!rpc->crpc_aborted);
|
|
LASSERT(list_empty(&rpc->crpc_list));
|
|
LASSERT(!sfw_data.fw_shuttingdown);
|
|
|
|
rpc->crpc_timeout = rpc_timeout;
|
|
srpc_post_rpc(rpc);
|
|
|
|
spin_unlock(&rpc->crpc_lock);
|
|
}
|
|
|
|
static srpc_service_t sfw_services[] = {
|
|
{
|
|
/* sv_id */ SRPC_SERVICE_DEBUG,
|
|
/* sv_name */ "debug",
|
|
0
|
|
},
|
|
{
|
|
/* sv_id */ SRPC_SERVICE_QUERY_STAT,
|
|
/* sv_name */ "query stats",
|
|
0
|
|
},
|
|
{
|
|
/* sv_id */ SRPC_SERVICE_MAKE_SESSION,
|
|
/* sv_name */ "make session",
|
|
0
|
|
},
|
|
{
|
|
/* sv_id */ SRPC_SERVICE_REMOVE_SESSION,
|
|
/* sv_name */ "remove session",
|
|
0
|
|
},
|
|
{
|
|
/* sv_id */ SRPC_SERVICE_BATCH,
|
|
/* sv_name */ "batch service",
|
|
0
|
|
},
|
|
{
|
|
/* sv_id */ SRPC_SERVICE_TEST,
|
|
/* sv_name */ "test service",
|
|
0
|
|
},
|
|
{
|
|
/* sv_id */ 0,
|
|
/* sv_name */ NULL,
|
|
0
|
|
}
|
|
};
|
|
|
|
int
|
|
sfw_startup(void)
|
|
{
|
|
int i;
|
|
int rc;
|
|
int error;
|
|
srpc_service_t *sv;
|
|
sfw_test_case_t *tsc;
|
|
|
|
if (session_timeout < 0) {
|
|
CERROR("Session timeout must be non-negative: %d\n",
|
|
session_timeout);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (rpc_timeout < 0) {
|
|
CERROR("RPC timeout must be non-negative: %d\n",
|
|
rpc_timeout);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (!session_timeout)
|
|
CWARN("Zero session_timeout specified - test sessions never expire.\n");
|
|
|
|
if (!rpc_timeout)
|
|
CWARN("Zero rpc_timeout specified - test RPC never expire.\n");
|
|
|
|
memset(&sfw_data, 0, sizeof(struct smoketest_framework));
|
|
|
|
sfw_data.fw_session = NULL;
|
|
sfw_data.fw_active_srpc = NULL;
|
|
spin_lock_init(&sfw_data.fw_lock);
|
|
atomic_set(&sfw_data.fw_nzombies, 0);
|
|
INIT_LIST_HEAD(&sfw_data.fw_tests);
|
|
INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs);
|
|
INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions);
|
|
|
|
brw_init_test_client();
|
|
brw_init_test_service();
|
|
rc = sfw_register_test(&brw_test_service, &brw_test_client);
|
|
LASSERT(!rc);
|
|
|
|
ping_init_test_client();
|
|
ping_init_test_service();
|
|
rc = sfw_register_test(&ping_test_service, &ping_test_client);
|
|
LASSERT(!rc);
|
|
|
|
error = 0;
|
|
list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
|
|
sv = tsc->tsc_srv_service;
|
|
|
|
rc = srpc_add_service(sv);
|
|
LASSERT(rc != -EBUSY);
|
|
if (rc) {
|
|
CWARN("Failed to add %s service: %d\n",
|
|
sv->sv_name, rc);
|
|
error = rc;
|
|
}
|
|
}
|
|
|
|
for (i = 0; ; i++) {
|
|
sv = &sfw_services[i];
|
|
if (!sv->sv_name)
|
|
break;
|
|
|
|
sv->sv_bulk_ready = NULL;
|
|
sv->sv_handler = sfw_handle_server_rpc;
|
|
sv->sv_wi_total = SFW_FRWK_WI_MAX;
|
|
if (sv->sv_id == SRPC_SERVICE_TEST)
|
|
sv->sv_bulk_ready = sfw_bulk_ready;
|
|
|
|
rc = srpc_add_service(sv);
|
|
LASSERT(rc != -EBUSY);
|
|
if (rc) {
|
|
CWARN("Failed to add %s service: %d\n",
|
|
sv->sv_name, rc);
|
|
error = rc;
|
|
}
|
|
|
|
/* about to sfw_shutdown, no need to add buffer */
|
|
if (error)
|
|
continue;
|
|
|
|
rc = srpc_service_add_buffers(sv, sv->sv_wi_total);
|
|
if (rc) {
|
|
CWARN("Failed to reserve enough buffers: service %s, %d needed: %d\n",
|
|
sv->sv_name, sv->sv_wi_total, rc);
|
|
error = -ENOMEM;
|
|
}
|
|
}
|
|
|
|
if (error)
|
|
sfw_shutdown();
|
|
return error;
|
|
}
|
|
|
|
void
|
|
sfw_shutdown(void)
|
|
{
|
|
srpc_service_t *sv;
|
|
sfw_test_case_t *tsc;
|
|
int i;
|
|
|
|
spin_lock(&sfw_data.fw_lock);
|
|
|
|
sfw_data.fw_shuttingdown = 1;
|
|
lst_wait_until(!sfw_data.fw_active_srpc, sfw_data.fw_lock,
|
|
"waiting for active RPC to finish.\n");
|
|
|
|
if (sfw_del_session_timer())
|
|
lst_wait_until(!sfw_data.fw_session, sfw_data.fw_lock,
|
|
"waiting for session timer to explode.\n");
|
|
|
|
sfw_deactivate_session();
|
|
lst_wait_until(!atomic_read(&sfw_data.fw_nzombies),
|
|
sfw_data.fw_lock,
|
|
"waiting for %d zombie sessions to die.\n",
|
|
atomic_read(&sfw_data.fw_nzombies));
|
|
|
|
spin_unlock(&sfw_data.fw_lock);
|
|
|
|
for (i = 0; ; i++) {
|
|
sv = &sfw_services[i];
|
|
if (!sv->sv_name)
|
|
break;
|
|
|
|
srpc_shutdown_service(sv);
|
|
srpc_remove_service(sv);
|
|
}
|
|
|
|
list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) {
|
|
sv = tsc->tsc_srv_service;
|
|
srpc_shutdown_service(sv);
|
|
srpc_remove_service(sv);
|
|
}
|
|
|
|
while (!list_empty(&sfw_data.fw_zombie_rpcs)) {
|
|
srpc_client_rpc_t *rpc;
|
|
|
|
rpc = list_entry(sfw_data.fw_zombie_rpcs.next,
|
|
srpc_client_rpc_t, crpc_list);
|
|
list_del(&rpc->crpc_list);
|
|
|
|
LIBCFS_FREE(rpc, srpc_client_rpc_size(rpc));
|
|
}
|
|
|
|
for (i = 0; ; i++) {
|
|
sv = &sfw_services[i];
|
|
if (!sv->sv_name)
|
|
break;
|
|
|
|
srpc_wait_service_shutdown(sv);
|
|
}
|
|
|
|
while (!list_empty(&sfw_data.fw_tests)) {
|
|
tsc = list_entry(sfw_data.fw_tests.next,
|
|
sfw_test_case_t, tsc_list);
|
|
|
|
srpc_wait_service_shutdown(tsc->tsc_srv_service);
|
|
|
|
list_del(&tsc->tsc_list);
|
|
LIBCFS_FREE(tsc, sizeof(*tsc));
|
|
}
|
|
}
|