diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/selftest/framework.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/selftest/framework.c | 1814 |
1 files changed, 1814 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c new file mode 100644 index 000000000000..483c78564dae --- /dev/null +++ b/drivers/staging/lustre/lnet/selftest/framework.c @@ -0,0 +1,1814 @@ +/* + * 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.sun.com/software/products/lustre/docs/GPLv2.pdf + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + * 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" + +lst_sid_t LST_INVALID_SID = {LNET_NID_ANY, -1}; + +static int session_timeout = 100; +CFS_MODULE_PARM(session_timeout, "i", int, 0444, + "test session timeout in seconds (100 by default, 0 == never)"); + +static int rpc_timeout = 64; +CFS_MODULE_PARM(rpc_timeout, "i", int, 0644, + "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) != 0) +#define sfw_batch_active(b) (atomic_read(&(b)->bat_nactive) != 0) + +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 */ + sfw_session_t *fw_session; /* _the_ session */ + int fw_shuttingdown; /* shutdown in progress */ + srpc_server_rpc_t *fw_active_srpc; /* running RPC */ +} sfw_data; + +/* forward ref's */ +int sfw_stop_batch (sfw_batch_t *tsb, int force); +void sfw_destroy_session (sfw_session_t *sn); + +static inline sfw_test_case_t * +sfw_find_test_case(int id) +{ + sfw_test_case_t *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 (srpc_service_t *service, sfw_test_client_ops_t *cliops) +{ + sfw_test_case_t *tsc; + + if (sfw_find_test_case(service->sv_id) != NULL) { + CERROR ("Failed to register test %s (%d)\n", + service->sv_name, service->sv_id); + return -EEXIST; + } + + LIBCFS_ALLOC(tsc, sizeof(sfw_test_case_t)); + if (tsc == NULL) + return -ENOMEM; + + memset(tsc, 0, sizeof(sfw_test_case_t)); + tsc->tsc_cli_ops = cliops; + tsc->tsc_srv_service = service; + + list_add_tail(&tsc->tsc_list, &sfw_data.fw_tests); + return 0; +} + +void +sfw_add_session_timer (void) +{ + sfw_session_t *sn = sfw_data.fw_session; + stt_timer_t *timer = &sn->sn_timer; + + LASSERT (!sfw_data.fw_shuttingdown); + + if (sn == NULL || sn->sn_timeout == 0) + return; + + LASSERT (!sn->sn_timer_active); + + sn->sn_timer_active = 1; + timer->stt_expires = cfs_time_add(sn->sn_timeout, + cfs_time_current_sec()); + stt_add_timer(timer); + return; +} + +int +sfw_del_session_timer (void) +{ + sfw_session_t *sn = sfw_data.fw_session; + + if (sn == NULL || !sn->sn_timer_active) + return 0; + + LASSERT (sn->sn_timeout != 0); + + if (stt_del_timer(&sn->sn_timer)) { /* timer defused */ + sn->sn_timer_active = 0; + return 0; + } + + return EBUSY; /* racing with sfw_session_expired() */ +} + +/* called with sfw_data.fw_lock held */ +static void +sfw_deactivate_session (void) +{ + sfw_session_t *sn = sfw_data.fw_session; + int nactive = 0; + sfw_batch_t *tsb; + sfw_test_case_t *tsc; + + if (sn == NULL) 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 != 0) + 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); +} + + +void +sfw_session_expired (void *data) +{ + sfw_session_t *sn = data; + + spin_lock(&sfw_data.fw_lock); + + LASSERT (sn->sn_timer_active); + LASSERT (sn == sfw_data.fw_session); + + CWARN ("Session expired! sid: %s-"LPU64", 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(sfw_session_t *sn, lst_sid_t sid, + unsigned features, const char *name) +{ + stt_timer_t *timer = &sn->sn_timer; + + memset(sn, 0, sizeof(sfw_session_t)); + 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 = cfs_time_current(); + + timer->stt_data = sn; + timer->stt_func = sfw_session_expired; + INIT_LIST_HEAD(&timer->stt_list); +} + +/* completion handler for incoming framework RPCs */ +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 != NULL) + sfw_free_pages(rpc); + return; +} + +void +sfw_client_rpc_fini (srpc_client_rpc_t *rpc) +{ + LASSERT (rpc->crpc_bulk.bk_niov == 0); + LASSERT (list_empty(&rpc->crpc_list)); + LASSERT (atomic_read(&rpc->crpc_refcount) == 0); + + 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); +} + +sfw_batch_t * +sfw_find_batch (lst_bid_t bid) +{ + sfw_session_t *sn = sfw_data.fw_session; + sfw_batch_t *bat; + + LASSERT (sn != NULL); + + list_for_each_entry (bat, &sn->sn_batches, bat_list) { + if (bat->bat_id.bat_id == bid.bat_id) + return bat; + } + + return NULL; +} + +sfw_batch_t * +sfw_bid2batch (lst_bid_t bid) +{ + sfw_session_t *sn = sfw_data.fw_session; + sfw_batch_t *bat; + + LASSERT (sn != NULL); + + bat = sfw_find_batch(bid); + if (bat != NULL) + return bat; + + LIBCFS_ALLOC(bat, sizeof(sfw_batch_t)); + if (bat == NULL) + 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; +} + +int +sfw_get_stats (srpc_stat_reqst_t *request, srpc_stat_reply_t *reply) +{ + sfw_session_t *sn = sfw_data.fw_session; + sfw_counters_t *cnt = &reply->str_fw; + sfw_batch_t *bat; + struct timeval tv; + + reply->str_sid = (sn == NULL) ? LST_INVALID_SID : sn->sn_id; + + if (request->str_sid.ses_nid == LNET_NID_ANY) { + reply->str_status = EINVAL; + return 0; + } + + if (sn == NULL || !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 */ + cfs_duration_usec(cfs_time_sub(cfs_time_current(), + sn->sn_started), &tv); + + cnt->running_ms = (__u32)(tv.tv_sec * 1000 + tv.tv_usec / 1000); + 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(srpc_mksn_reqst_t *request, srpc_mksn_reply_t *reply) +{ + sfw_session_t *sn = sfw_data.fw_session; + srpc_msg_t *msg = container_of(request, srpc_msg_t, + msg_body.mksn_reqst); + int cplen = 0; + + if (request->mksn_sid.ses_nid == LNET_NID_ANY) { + reply->mksn_sid = (sn == NULL) ? LST_INVALID_SID : sn->sn_id; + reply->mksn_status = EINVAL; + return 0; + } + + if (sn != NULL) { + 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_t::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) != 0) { + reply->mksn_status = EPROTO; + return 0; + } + + /* brand new or create by force */ + LIBCFS_ALLOC(sn, sizeof(sfw_session_t)); + if (sn == NULL) { + 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 == NULL); + 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; +} + +int +sfw_remove_session (srpc_rmsn_reqst_t *request, srpc_rmsn_reply_t *reply) +{ + sfw_session_t *sn = sfw_data.fw_session; + + reply->rmsn_sid = (sn == NULL) ? LST_INVALID_SID : sn->sn_id; + + if (request->rmsn_sid.ses_nid == LNET_NID_ANY) { + reply->rmsn_status = EINVAL; + return 0; + } + + if (sn == NULL || !sfw_sid_equal(request->rmsn_sid, sn->sn_id)) { + reply->rmsn_status = (sn == NULL) ? 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 == NULL); + return 0; +} + +int +sfw_debug_session (srpc_debug_reqst_t *request, srpc_debug_reply_t *reply) +{ + sfw_session_t *sn = sfw_data.fw_session; + + if (sn == NULL) { + 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; +} + +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 = sfw_find_test_case(tsi->tsi_service); + struct srpc_service *svc = tsc->tsc_srv_service; + int nbuf; + + nbuf = min(svc->sv_wi_total, tsi->tsi_loop) / svc->sv_ncpts; + return max(SFW_TEST_WI_MIN, nbuf + SFW_TEST_WI_EXTRA); +} + +int +sfw_load_test(struct sfw_test_instance *tsi) +{ + struct sfw_test_case *tsc; + struct srpc_service *svc; + int nbuf; + int rc; + + LASSERT(tsi != NULL); + tsc = sfw_find_test_case(tsi->tsi_service); + nbuf = sfw_test_buffers(tsi); + LASSERT(tsc != NULL); + 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 != 0) { + 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) ? + 1 : cfs_cpt_number(cfs_cpt_table)), svc->sv_name); + return 0; +} + +void +sfw_unload_test(struct sfw_test_instance *tsi) +{ + struct sfw_test_case *tsc = sfw_find_test_case(tsi->tsi_service); + + LASSERT(tsc != NULL); + + 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)); + return; +} + +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)); + return; +} + +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)); + return; +} + +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); + return; +} + +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) == 0) { + 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 (); + return; +} + +int +sfw_add_test_instance (sfw_batch_t *tsb, srpc_server_rpc_t *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 == NULL) { + CERROR ("Can't allocate test instance for batch: "LPU64"\n", + tsb->bat_id.bat_id); + return -ENOMEM; + } + + memset(tsi, 0, sizeof(*tsi)); + 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 != 0) { + 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 != NULL); + 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 != NULL); /* 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 == NULL) { + 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 == 0) { + list_add_tail(&tsi->tsi_list, &tsb->bat_tests); + return 0; + } + +error: + LASSERT (rc != 0); + 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); + return; +} + +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 == 0 || + (rpc->crpc_status != 0 && 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); + return; +} + +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)); + + if (!list_empty(&tsi->tsi_free_rpcs)) { + /* pick request from buffer */ + rpc = list_entry(tsi->tsi_free_rpcs.next, + srpc_client_rpc_t, crpc_list); + LASSERT (nblk == rpc->crpc_bulk.bk_niov); + list_del_init(&rpc->crpc_list); + } + + spin_unlock(&tsi->tsi_lock); + + if (rpc == NULL) { + 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 == NULL) { + 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; +} + +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) != 0) { + LASSERT (rpc == NULL); + goto test_done; + } + + LASSERT (rpc != NULL); + + 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); + + rpc->crpc_timeout = rpc_timeout; + + spin_lock(&rpc->crpc_lock); + 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; +} + +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: "LPU64" (%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 "LPU64" 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; +} + +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 == 0) { + 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 (srpc_server_rpc_t *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 == NULL); + LASSERT(npages > 0 && npages <= LNET_MAX_IOV); + + rpc->srpc_bulk = srpc_alloc_bulk(cpt, npages, len, sink); + if (rpc->srpc_bulk == NULL) + return -ENOMEM; + + return 0; +} + +int +sfw_add_test (srpc_server_rpc_t *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 == NULL) ? LST_INVALID_SID : sn->sn_id; + + if (request->tsr_loop == 0 || + request->tsr_concur == 0 || + request->tsr_sid.ses_nid == LNET_NID_ANY || + request->tsr_ndest > SFW_MAX_NDESTS || + (request->tsr_is_client && request->tsr_ndest == 0) || + 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 == NULL || !sfw_sid_equal(request->tsr_sid, sn->sn_id) || + sfw_find_test_case(request->tsr_service) == NULL) { + reply->tsr_status = ENOENT; + return 0; + } + + bat = sfw_bid2batch(request->tsr_bid); + if (bat == NULL) { + 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 == NULL) { + /* 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) == 0) { + len = npg * PAGE_CACHE_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 == 0 ? D_NET : D_WARNING, + "%s test: sv %d %s, loop %d, concur %d, ndest %d\n", + rc == 0 ? "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; +} + +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 == NULL) ? LST_INVALID_SID : sn->sn_id; + + if (sn == NULL || !sfw_sid_equal(request->bar_sid, sn->sn_id)) { + reply->bar_status = ESRCH; + return 0; + } + + bat = sfw_find_batch(request->bar_bid); + if (bat == NULL) { + 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; +} + +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 == NULL); + 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() != 0) { + 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 != NULL && + 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) != 0) { + /* 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 != NULL) + 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; +} + +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 != NULL); + LASSERT(sv->sv_id == SRPC_SERVICE_TEST); + LASSERT(sfw_data.fw_active_srpc == NULL); + LASSERT(rpc->srpc_reqstbuf->buf_msg.msg_body.tes_reqst.tsr_is_client); + + spin_lock(&sfw_data.fw_lock); + + if (status != 0) { + 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() != 0) { + 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); + + 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 == 0 && !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 == NULL) { + rpc = srpc_create_client_rpc(peer, service, + nbulkiov, bulklen, done, + nbulkiov != 0 ? NULL : + sfw_client_rpc_fini, + priv); + } + + if (rpc != NULL) /* "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 (); + return; +} + +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); + return; +} + +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); + return; +} + +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 + } +}; + +extern sfw_test_client_ops_t ping_test_client; +extern srpc_service_t ping_test_service; +extern void ping_init_test_client(void); +extern void ping_init_test_service(void); + +extern sfw_test_client_ops_t brw_test_client; +extern srpc_service_t brw_test_service; +extern void brw_init_test_client(void); +extern void brw_init_test_service(void); + + +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 == 0) + CWARN ("Zero session_timeout specified " + "- test sessions never expire.\n"); + + if (rpc_timeout == 0) + 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 == 0); + + ping_init_test_client(); + ping_init_test_service(); + rc = sfw_register_test(&ping_test_service, &ping_test_client); + LASSERT (rc == 0); + + 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 != 0) { + 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 == NULL) 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 != 0) { + 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 != 0) { + CWARN("Failed to reserve enough buffers: " + "service %s, %d needed: %d\n", + sv->sv_name, sv->sv_wi_total, rc); + error = -ENOMEM; + } + } + + if (error != 0) + 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 == NULL, sfw_data.fw_lock, + "waiting for active RPC to finish.\n"); + + if (sfw_del_session_timer() != 0) + lst_wait_until(sfw_data.fw_session == NULL, sfw_data.fw_lock, + "waiting for session timer to explode.\n"); + + sfw_deactivate_session(); + lst_wait_until(atomic_read(&sfw_data.fw_nzombies) == 0, + 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 == NULL) + 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 == NULL) + 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)); + } + + return; +} |