diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/selftest/framework.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/selftest/framework.c | 1786 |
1 files changed, 0 insertions, 1786 deletions
diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c deleted file mode 100644 index 741af10560ad..000000000000 --- a/drivers/staging/lustre/lnet/selftest/framework.c +++ /dev/null @@ -1,1786 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * GPL HEADER START - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 only, - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License version 2 for more details (a copy is included - * in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU General Public License - * version 2 along with this program; If not, see - * http://www.gnu.org/licenses/gpl-2.0.html - * - * GPL HEADER END - */ -/* - * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lnet/selftest/framework.c - * - * Author: Isaac Huang <isaac@clusterfs.com> - * Author: Liang Zhen <liangzhen@clusterfs.com> - */ - -#define DEBUG_SUBSYSTEM S_LNET - -#include "selftest.h" - -struct lst_sid LST_INVALID_SID = {LNET_NID_ANY, -1}; - -static int session_timeout = 100; -module_param(session_timeout, int, 0444); -MODULE_PARM_DESC(session_timeout, "test session timeout in seconds (100 by default, 0 == never)"); - -static int rpc_timeout = 64; -module_param(rpc_timeout, int, 0644); -MODULE_PARM_DESC(rpc_timeout, "rpc timeout in seconds (64 by default, 0 == never)"); - -#define sfw_unpack_id(id) \ -do { \ - __swab64s(&(id).nid); \ - __swab32s(&(id).pid); \ -} while (0) - -#define sfw_unpack_sid(sid) \ -do { \ - __swab64s(&(sid).ses_nid); \ - __swab64s(&(sid).ses_stamp); \ -} while (0) - -#define sfw_unpack_fw_counters(fc) \ -do { \ - __swab32s(&(fc).running_ms); \ - __swab32s(&(fc).active_batches); \ - __swab32s(&(fc).zombie_sessions); \ - __swab32s(&(fc).brw_errors); \ - __swab32s(&(fc).ping_errors); \ -} while (0) - -#define sfw_unpack_rpc_counters(rc) \ -do { \ - __swab32s(&(rc).errors); \ - __swab32s(&(rc).rpcs_sent); \ - __swab32s(&(rc).rpcs_rcvd); \ - __swab32s(&(rc).rpcs_dropped); \ - __swab32s(&(rc).rpcs_expired); \ - __swab64s(&(rc).bulk_get); \ - __swab64s(&(rc).bulk_put); \ -} while (0) - -#define sfw_unpack_lnet_counters(lc) \ -do { \ - __swab32s(&(lc).errors); \ - __swab32s(&(lc).msgs_max); \ - __swab32s(&(lc).msgs_alloc); \ - __swab32s(&(lc).send_count); \ - __swab32s(&(lc).recv_count); \ - __swab32s(&(lc).drop_count); \ - __swab32s(&(lc).route_count); \ - __swab64s(&(lc).send_length); \ - __swab64s(&(lc).recv_length); \ - __swab64s(&(lc).drop_length); \ - __swab64s(&(lc).route_length); \ -} while (0) - -#define sfw_test_active(t) (atomic_read(&(t)->tsi_nactive)) -#define sfw_batch_active(b) (atomic_read(&(b)->bat_nactive)) - -static struct smoketest_framework { - struct list_head fw_zombie_rpcs; /* RPCs to be recycled */ - struct list_head fw_zombie_sessions; /* stopping sessions */ - struct list_head fw_tests; /* registered test cases */ - atomic_t fw_nzombies; /* # zombie sessions */ - spinlock_t fw_lock; /* serialise */ - struct sfw_session *fw_session; /* _the_ session */ - int fw_shuttingdown; /* shutdown in progress */ - struct srpc_server_rpc *fw_active_srpc;/* running RPC */ -} sfw_data; - -/* forward ref's */ -int sfw_stop_batch(struct sfw_batch *tsb, int force); -void sfw_destroy_session(struct sfw_session *sn); - -static inline struct sfw_test_case * -sfw_find_test_case(int id) -{ - struct sfw_test_case *tsc; - - LASSERT(id <= SRPC_SERVICE_MAX_ID); - LASSERT(id > SRPC_FRAMEWORK_SERVICE_MAX_ID); - - list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) { - if (tsc->tsc_srv_service->sv_id == id) - return tsc; - } - - return NULL; -} - -static int -sfw_register_test(struct srpc_service *service, - struct sfw_test_client_ops *cliops) -{ - struct sfw_test_case *tsc; - - if (sfw_find_test_case(service->sv_id)) { - CERROR("Failed to register test %s (%d)\n", - service->sv_name, service->sv_id); - return -EEXIST; - } - - tsc = kzalloc(sizeof(struct sfw_test_case), GFP_NOFS); - if (!tsc) - return -ENOMEM; - - tsc->tsc_cli_ops = cliops; - tsc->tsc_srv_service = service; - - list_add_tail(&tsc->tsc_list, &sfw_data.fw_tests); - return 0; -} - -static void -sfw_add_session_timer(void) -{ - struct sfw_session *sn = sfw_data.fw_session; - struct stt_timer *timer = &sn->sn_timer; - - LASSERT(!sfw_data.fw_shuttingdown); - - if (!sn || !sn->sn_timeout) - return; - - LASSERT(!sn->sn_timer_active); - - sn->sn_timer_active = 1; - timer->stt_expires = ktime_get_real_seconds() + sn->sn_timeout; - stt_add_timer(timer); -} - -static int -sfw_del_session_timer(void) -{ - struct sfw_session *sn = sfw_data.fw_session; - - if (!sn || !sn->sn_timer_active) - return 0; - - LASSERT(sn->sn_timeout); - - if (stt_del_timer(&sn->sn_timer)) { /* timer defused */ - sn->sn_timer_active = 0; - return 0; - } - - return -EBUSY; /* racing with sfw_session_expired() */ -} - -static void -sfw_deactivate_session(void) -__must_hold(&sfw_data.fw_lock) -{ - struct sfw_session *sn = sfw_data.fw_session; - int nactive = 0; - struct sfw_batch *tsb; - struct sfw_test_case *tsc; - - if (!sn) - return; - - LASSERT(!sn->sn_timer_active); - - sfw_data.fw_session = NULL; - atomic_inc(&sfw_data.fw_nzombies); - list_add(&sn->sn_list, &sfw_data.fw_zombie_sessions); - - spin_unlock(&sfw_data.fw_lock); - - list_for_each_entry(tsc, &sfw_data.fw_tests, tsc_list) { - srpc_abort_service(tsc->tsc_srv_service); - } - - spin_lock(&sfw_data.fw_lock); - - list_for_each_entry(tsb, &sn->sn_batches, bat_list) { - if (sfw_batch_active(tsb)) { - nactive++; - sfw_stop_batch(tsb, 1); - } - } - - if (nactive) - return; /* wait for active batches to stop */ - - list_del_init(&sn->sn_list); - spin_unlock(&sfw_data.fw_lock); - - sfw_destroy_session(sn); - - spin_lock(&sfw_data.fw_lock); -} - -static void -sfw_session_expired(void *data) -{ - struct sfw_session *sn = data; - - spin_lock(&sfw_data.fw_lock); - - LASSERT(sn->sn_timer_active); - LASSERT(sn == sfw_data.fw_session); - - CWARN("Session expired! sid: %s-%llu, name: %s\n", - libcfs_nid2str(sn->sn_id.ses_nid), - sn->sn_id.ses_stamp, &sn->sn_name[0]); - - sn->sn_timer_active = 0; - sfw_deactivate_session(); - - spin_unlock(&sfw_data.fw_lock); -} - -static inline void -sfw_init_session(struct sfw_session *sn, struct lst_sid sid, - unsigned int features, const char *name) -{ - struct stt_timer *timer = &sn->sn_timer; - - memset(sn, 0, sizeof(struct sfw_session)); - INIT_LIST_HEAD(&sn->sn_list); - INIT_LIST_HEAD(&sn->sn_batches); - atomic_set(&sn->sn_refcount, 1); /* +1 for caller */ - atomic_set(&sn->sn_brw_errors, 0); - atomic_set(&sn->sn_ping_errors, 0); - strlcpy(&sn->sn_name[0], name, sizeof(sn->sn_name)); - - sn->sn_timer_active = 0; - sn->sn_id = sid; - sn->sn_features = features; - sn->sn_timeout = session_timeout; - sn->sn_started = jiffies; - - timer->stt_data = sn; - timer->stt_func = sfw_session_expired; - INIT_LIST_HEAD(&timer->stt_list); -} - -/* completion handler for incoming framework RPCs */ -static void -sfw_server_rpc_done(struct srpc_server_rpc *rpc) -{ - struct srpc_service *sv = rpc->srpc_scd->scd_svc; - int status = rpc->srpc_status; - - CDEBUG(D_NET, "Incoming framework RPC done: service %s, peer %s, status %s:%d\n", - sv->sv_name, libcfs_id2str(rpc->srpc_peer), - swi_state2str(rpc->srpc_wi.swi_state), - status); - - if (rpc->srpc_bulk) - sfw_free_pages(rpc); -} - -static void -sfw_client_rpc_fini(struct srpc_client_rpc *rpc) -{ - LASSERT(!rpc->crpc_bulk.bk_niov); - LASSERT(list_empty(&rpc->crpc_list)); - LASSERT(!atomic_read(&rpc->crpc_refcount)); - - CDEBUG(D_NET, "Outgoing framework RPC done: service %d, peer %s, status %s:%d:%d\n", - rpc->crpc_service, libcfs_id2str(rpc->crpc_dest), - swi_state2str(rpc->crpc_wi.swi_state), - rpc->crpc_aborted, rpc->crpc_status); - - spin_lock(&sfw_data.fw_lock); - - /* my callers must finish all RPCs before shutting me down */ - LASSERT(!sfw_data.fw_shuttingdown); - list_add(&rpc->crpc_list, &sfw_data.fw_zombie_rpcs); - - spin_unlock(&sfw_data.fw_lock); -} - -static struct sfw_batch * -sfw_find_batch(struct lst_bid bid) -{ - struct sfw_session *sn = sfw_data.fw_session; - struct sfw_batch *bat; - - LASSERT(sn); - - list_for_each_entry(bat, &sn->sn_batches, bat_list) { - if (bat->bat_id.bat_id == bid.bat_id) - return bat; - } - - return NULL; -} - -static struct sfw_batch * -sfw_bid2batch(struct lst_bid bid) -{ - struct sfw_session *sn = sfw_data.fw_session; - struct sfw_batch *bat; - - LASSERT(sn); - - bat = sfw_find_batch(bid); - if (bat) - return bat; - - bat = kzalloc(sizeof(struct sfw_batch), GFP_NOFS); - if (!bat) - return NULL; - - bat->bat_error = 0; - bat->bat_session = sn; - bat->bat_id = bid; - atomic_set(&bat->bat_nactive, 0); - INIT_LIST_HEAD(&bat->bat_tests); - - list_add_tail(&bat->bat_list, &sn->sn_batches); - return bat; -} - -static int -sfw_get_stats(struct srpc_stat_reqst *request, struct srpc_stat_reply *reply) -{ - struct sfw_session *sn = sfw_data.fw_session; - struct sfw_counters *cnt = &reply->str_fw; - struct sfw_batch *bat; - - reply->str_sid = !sn ? LST_INVALID_SID : sn->sn_id; - - if (request->str_sid.ses_nid == LNET_NID_ANY) { - reply->str_status = EINVAL; - return 0; - } - - if (!sn || !sfw_sid_equal(request->str_sid, sn->sn_id)) { - reply->str_status = ESRCH; - return 0; - } - - lnet_counters_get(&reply->str_lnet); - srpc_get_counters(&reply->str_rpc); - - /* - * send over the msecs since the session was started - * with 32 bits to send, this is ~49 days - */ - cnt->running_ms = jiffies_to_msecs(jiffies - sn->sn_started); - cnt->brw_errors = atomic_read(&sn->sn_brw_errors); - cnt->ping_errors = atomic_read(&sn->sn_ping_errors); - cnt->zombie_sessions = atomic_read(&sfw_data.fw_nzombies); - - cnt->active_batches = 0; - list_for_each_entry(bat, &sn->sn_batches, bat_list) { - if (atomic_read(&bat->bat_nactive) > 0) - cnt->active_batches++; - } - - reply->str_status = 0; - return 0; -} - -int -sfw_make_session(struct srpc_mksn_reqst *request, struct srpc_mksn_reply *reply) -{ - struct sfw_session *sn = sfw_data.fw_session; - struct srpc_msg *msg = container_of(request, struct srpc_msg, - msg_body.mksn_reqst); - int cplen = 0; - - if (request->mksn_sid.ses_nid == LNET_NID_ANY) { - reply->mksn_sid = !sn ? LST_INVALID_SID : sn->sn_id; - reply->mksn_status = EINVAL; - return 0; - } - - if (sn) { - reply->mksn_status = 0; - reply->mksn_sid = sn->sn_id; - reply->mksn_timeout = sn->sn_timeout; - - if (sfw_sid_equal(request->mksn_sid, sn->sn_id)) { - atomic_inc(&sn->sn_refcount); - return 0; - } - - if (!request->mksn_force) { - reply->mksn_status = EBUSY; - cplen = strlcpy(&reply->mksn_name[0], &sn->sn_name[0], - sizeof(reply->mksn_name)); - if (cplen >= sizeof(reply->mksn_name)) - return -E2BIG; - return 0; - } - } - - /* - * reject the request if it requires unknown features - * NB: old version will always accept all features because it's not - * aware of srpc_msg::msg_ses_feats, it's a defect but it's also - * harmless because it will return zero feature to console, and it's - * console's responsibility to make sure all nodes in a session have - * same feature mask. - */ - if (msg->msg_ses_feats & ~LST_FEATS_MASK) { - reply->mksn_status = EPROTO; - return 0; - } - - /* brand new or create by force */ - sn = kzalloc(sizeof(struct sfw_session), GFP_NOFS); - if (!sn) { - CERROR("dropping RPC mksn under memory pressure\n"); - return -ENOMEM; - } - - sfw_init_session(sn, request->mksn_sid, - msg->msg_ses_feats, &request->mksn_name[0]); - - spin_lock(&sfw_data.fw_lock); - - sfw_deactivate_session(); - LASSERT(!sfw_data.fw_session); - sfw_data.fw_session = sn; - - spin_unlock(&sfw_data.fw_lock); - - reply->mksn_status = 0; - reply->mksn_sid = sn->sn_id; - reply->mksn_timeout = sn->sn_timeout; - return 0; -} - -static int -sfw_remove_session(struct srpc_rmsn_reqst *request, - struct srpc_rmsn_reply *reply) -{ - struct sfw_session *sn = sfw_data.fw_session; - - reply->rmsn_sid = !sn ? LST_INVALID_SID : sn->sn_id; - - if (request->rmsn_sid.ses_nid == LNET_NID_ANY) { - reply->rmsn_status = EINVAL; - return 0; - } - - if (!sn || !sfw_sid_equal(request->rmsn_sid, sn->sn_id)) { - reply->rmsn_status = !sn ? ESRCH : EBUSY; - return 0; - } - - if (!atomic_dec_and_test(&sn->sn_refcount)) { - reply->rmsn_status = 0; - return 0; - } - - 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(struct srpc_debug_reqst *request, - struct srpc_debug_reply *reply) -{ - struct sfw_session *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(struct srpc_client_rpc *rpc) -{ - struct sfw_test_unit *tsu = rpc->crpc_priv; - struct sfw_test_instance *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(struct sfw_test_instance *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_tab)), 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(struct sfw_test_instance *tsi) -{ - struct srpc_client_rpc *rpc; - struct sfw_test_unit *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, - struct sfw_test_unit, tsu_list); - list_del(&tsu->tsu_list); - kfree(tsu); - } - - while (!list_empty(&tsi->tsi_free_rpcs)) { - rpc = list_entry(tsi->tsi_free_rpcs.next, - struct srpc_client_rpc, crpc_list); - list_del(&rpc->crpc_list); - kfree(rpc); - } - -clean: - sfw_unload_test(tsi); - kfree(tsi); -} - -static void -sfw_destroy_batch(struct sfw_batch *tsb) -{ - struct sfw_test_instance *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, - struct sfw_test_instance, tsi_list); - list_del_init(&tsi->tsi_list); - sfw_destroy_test_instance(tsi); - } - - kfree(tsb); -} - -void -sfw_destroy_session(struct sfw_session *sn) -{ - struct sfw_batch *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, - struct sfw_batch, bat_list); - list_del_init(&batch->bat_list); - sfw_destroy_batch(batch); - } - - kfree(sn); - atomic_dec(&sfw_data.fw_nzombies); -} - -static void -sfw_unpack_addtest_req(struct srpc_msg *msg) -{ - struct srpc_test_reqst *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)) { - struct test_bulk_req *bulk = &req->tsr_u.bulk_v0; - - __swab32s(&bulk->blk_opc); - __swab32s(&bulk->blk_npg); - __swab32s(&bulk->blk_flags); - - } else { - struct test_bulk_req_v1 *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) { - struct test_ping_req *ping = &req->tsr_u.ping; - - __swab32s(&ping->png_size); - __swab32s(&ping->png_flags); - return; - } - - LBUG(); -} - -static int -sfw_add_test_instance(struct sfw_batch *tsb, struct srpc_server_rpc *rpc) -{ - struct srpc_msg *msg = &rpc->srpc_reqstbuf->buf_msg; - struct srpc_test_reqst *req = &msg->msg_body.tes_reqst; - struct srpc_bulk *bk = rpc->srpc_bulk; - int ndest = req->tsr_ndest; - struct sfw_test_unit *tsu; - struct sfw_test_instance *tsi; - int i; - int rc; - - tsi = kzalloc(sizeof(*tsi), GFP_NOFS); - 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) { - kfree(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(struct lnet_process_id_packed) * ndest); - - sfw_unpack_addtest_req(msg); - memcpy(&tsi->tsi_u, &req->tsr_u, sizeof(tsi->tsi_u)); - - for (i = 0; i < ndest; i++) { - struct lnet_process_id_packed *dests; - struct lnet_process_id_packed id; - int j; - - dests = page_address(bk->bk_iovs[i / SFW_ID_PER_PAGE].bv_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++) { - tsu = kzalloc(sizeof(struct sfw_test_unit), GFP_NOFS); - 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(struct sfw_test_unit *tsu) -{ - struct sfw_test_instance *tsi = tsu->tsu_instance; - struct sfw_batch *tsb = tsi->tsi_batch; - struct sfw_session *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(struct srpc_client_rpc *rpc) -{ - struct sfw_test_unit *tsu = rpc->crpc_priv; - struct sfw_test_instance *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(struct sfw_test_unit *tsu, struct lnet_process_id peer, - unsigned int features, int nblk, int blklen, - struct srpc_client_rpc **rpcpp) -{ - struct srpc_client_rpc *rpc = NULL; - struct sfw_test_instance *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, - struct srpc_client_rpc, 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 void -sfw_run_test(struct swi_workitem *wi) -{ - struct sfw_test_unit *tsu = container_of(wi, struct sfw_test_unit, tsu_worker); - struct sfw_test_instance *tsi = tsu->tsu_instance; - struct srpc_client_rpc *rpc = NULL; - - 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; - -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: - */ - sfw_test_unit_done(tsu); -} - -static int -sfw_run_batch(struct sfw_batch *tsb) -{ - struct swi_workitem *wi; - struct sfw_test_unit *tsu; - struct sfw_test_instance *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, sfw_run_test, - lst_test_wq[lnet_cpt_of_nid(tsu->tsu_dest.nid)]); - swi_schedule_workitem(wi); - } - } - - return 0; -} - -int -sfw_stop_batch(struct sfw_batch *tsb, int force) -{ - struct sfw_test_instance *tsi; - struct srpc_client_rpc *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(struct sfw_batch *tsb, int testidx, - struct srpc_batch_reply *reply) -{ - struct sfw_test_instance *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, 0, npages, len, sink); - if (!rpc->srpc_bulk) - return -ENOMEM; - - return 0; -} - -static int -sfw_add_test(struct srpc_server_rpc *rpc) -{ - struct sfw_session *sn = sfw_data.fw_session; - struct srpc_test_reply *reply = &rpc->srpc_replymsg.msg_body.tes_reply; - struct srpc_test_reqst *request; - int rc; - struct sfw_batch *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(struct lnet_process_id_packed) * - 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(struct srpc_batch_reqst *request, - struct srpc_batch_reply *reply) -{ - struct sfw_session *sn = sfw_data.fw_session; - int rc = 0; - struct sfw_batch *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; - struct srpc_msg *reply = &rpc->srpc_replymsg; - struct srpc_msg *request = &rpc->srpc_reqstbuf->buf_msg; - unsigned int 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\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); - - 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) { - struct sfw_session *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; -} - -struct srpc_client_rpc * -sfw_create_rpc(struct lnet_process_id peer, int service, - unsigned int features, int nbulkiov, int bulklen, - void (*done)(struct srpc_client_rpc *), void *priv) -{ - struct srpc_client_rpc *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, - struct srpc_client_rpc, 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(struct srpc_msg *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) { - struct srpc_stat_reqst *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) { - struct srpc_stat_reply *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) { - struct srpc_mksn_reqst *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) { - struct srpc_mksn_reply *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) { - struct srpc_rmsn_reqst *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) { - struct srpc_rmsn_reply *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) { - struct srpc_debug_reqst *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) { - struct srpc_debug_reply *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) { - struct srpc_batch_reqst *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) { - struct srpc_batch_reply *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) { - struct srpc_test_reqst *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) { - struct srpc_test_reply *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) { - struct srpc_join_reqst *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) { - struct srpc_join_reply *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(struct srpc_client_rpc *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(struct srpc_client_rpc *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 struct srpc_service 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; - struct srpc_service *sv; - struct sfw_test_case *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) -{ - struct srpc_service *sv; - struct sfw_test_case *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)) { - struct srpc_client_rpc *rpc; - - rpc = list_entry(sfw_data.fw_zombie_rpcs.next, - struct srpc_client_rpc, crpc_list); - list_del(&rpc->crpc_list); - - kfree(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, - struct sfw_test_case, tsc_list); - - srpc_wait_service_shutdown(tsc->tsc_srv_service); - - list_del(&tsc->tsc_list); - kfree(tsc); - } -} |