diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/selftest/module.c')
| -rw-r--r-- | drivers/staging/lustre/lnet/selftest/module.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lnet/selftest/module.c b/drivers/staging/lustre/lnet/selftest/module.c new file mode 100644 index 000000000000..5257e5630a0e --- /dev/null +++ b/drivers/staging/lustre/lnet/selftest/module.c @@ -0,0 +1,169 @@ +/* + * 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. + */ + +#define DEBUG_SUBSYSTEM S_LNET + +#include "selftest.h" + +enum { + LST_INIT_NONE = 0, + LST_INIT_WI_SERIAL, + LST_INIT_WI_TEST, + LST_INIT_RPC, + LST_INIT_FW, + LST_INIT_CONSOLE +}; + +extern int lstcon_console_init(void); +extern int lstcon_console_fini(void); + +static int lst_init_step = LST_INIT_NONE; + +struct cfs_wi_sched *lst_sched_serial; +struct cfs_wi_sched **lst_sched_test; + +void +lnet_selftest_fini(void) +{ + int i; + + switch (lst_init_step) { + case LST_INIT_CONSOLE: + lstcon_console_fini(); + case LST_INIT_FW: + sfw_shutdown(); + case LST_INIT_RPC: + srpc_shutdown(); + case LST_INIT_WI_TEST: + for (i = 0; + i < cfs_cpt_number(lnet_cpt_table()); i++) { + if (lst_sched_test[i] == NULL) + continue; + cfs_wi_sched_destroy(lst_sched_test[i]); + } + LIBCFS_FREE(lst_sched_test, + sizeof(lst_sched_test[0]) * + cfs_cpt_number(lnet_cpt_table())); + lst_sched_test = NULL; + + case LST_INIT_WI_SERIAL: + cfs_wi_sched_destroy(lst_sched_serial); + lst_sched_serial = NULL; + case LST_INIT_NONE: + break; + default: + LBUG(); + } + return; +} + +void +lnet_selftest_structure_assertion(void) +{ + CLASSERT(sizeof(srpc_msg_t) == 160); + CLASSERT(sizeof(srpc_test_reqst_t) == 70); + CLASSERT(offsetof(srpc_msg_t, msg_body.tes_reqst.tsr_concur) == 72); + CLASSERT(offsetof(srpc_msg_t, msg_body.tes_reqst.tsr_ndest) == 78); + CLASSERT(sizeof(srpc_stat_reply_t) == 136); + CLASSERT(sizeof(srpc_stat_reqst_t) == 28); +} + +int +lnet_selftest_init(void) +{ + int nscheds; + int rc; + int i; + + rc = cfs_wi_sched_create("lst_s", lnet_cpt_table(), CFS_CPT_ANY, + 1, &lst_sched_serial); + if (rc != 0) { + CERROR("Failed to create serial WI scheduler for LST\n"); + return rc; + } + lst_init_step = LST_INIT_WI_SERIAL; + + nscheds = cfs_cpt_number(lnet_cpt_table()); + LIBCFS_ALLOC(lst_sched_test, sizeof(lst_sched_test[0]) * nscheds); + if (lst_sched_test == NULL) + goto error; + + lst_init_step = LST_INIT_WI_TEST; + for (i = 0; i < nscheds; i++) { + int nthrs = cfs_cpt_weight(lnet_cpt_table(), i); + + /* reserve at least one CPU for LND */ + nthrs = max(nthrs - 1, 1); + rc = cfs_wi_sched_create("lst_t", lnet_cpt_table(), i, + nthrs, &lst_sched_test[i]); + if (rc != 0) { + CERROR("Failed to create CPT affinity WI scheduler " + "%d for LST\n", i); + goto error; + } + } + + rc = srpc_startup(); + if (rc != 0) { + CERROR("LST can't startup rpc\n"); + goto error; + } + lst_init_step = LST_INIT_RPC; + + rc = sfw_startup(); + if (rc != 0) { + CERROR("LST can't startup framework\n"); + goto error; + } + lst_init_step = LST_INIT_FW; + + rc = lstcon_console_init(); + if (rc != 0) { + CERROR("LST can't startup console\n"); + goto error; + } + lst_init_step = LST_INIT_CONSOLE; + return 0; +error: + lnet_selftest_fini(); + return rc; +} + + +MODULE_DESCRIPTION("LNet Selftest"); +MODULE_LICENSE("GPL"); + +cfs_module(lnet, "0.9.0", lnet_selftest_init, lnet_selftest_fini); |