4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2015, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
32 #define DEBUG_SUBSYSTEM S_LNET
46 static int lst_init_step = LST_INIT_NONE;
48 struct workqueue_struct *lst_serial_wq;
49 struct workqueue_struct **lst_test_wq;
52 lnet_selftest_exit(void)
56 switch (lst_init_step) {
57 case LST_INIT_CONSOLE:
58 lstcon_console_fini();
66 case LST_INIT_WI_TEST:
68 i < cfs_cpt_number(lnet_cpt_table()); i++) {
71 destroy_workqueue(lst_test_wq[i]);
73 CFS_FREE_PTR_ARRAY(lst_test_wq,
74 cfs_cpt_number(lnet_cpt_table()));
77 case LST_INIT_WI_SERIAL:
78 destroy_workqueue(lst_serial_wq);
89 lnet_selftest_init(void)
99 lst_serial_wq = alloc_ordered_workqueue("lst_s", 0);
100 if (!lst_serial_wq) {
101 CERROR("Failed to create serial WI scheduler for LST\n");
104 lst_init_step = LST_INIT_WI_SERIAL;
106 nscheds = cfs_cpt_number(lnet_cpt_table());
107 CFS_ALLOC_PTR_ARRAY(lst_test_wq, nscheds);
113 lst_init_step = LST_INIT_WI_TEST;
114 for (i = 0; i < nscheds; i++) {
115 int nthrs = cfs_cpt_weight(lnet_cpt_table(), i);
117 /* reserve at least one CPU for LND */
118 nthrs = max(nthrs - 1, 1);
119 lst_test_wq[i] = cfs_cpt_bind_workqueue("lst_t",
122 if (IS_ERR(lst_test_wq[i])) {
123 rc = PTR_ERR(lst_test_wq[i]);
124 CERROR("Failed to create CPU partition affinity WI scheduler %d for LST: rc = %d\n",
126 lst_test_wq[i] = NULL;
133 CERROR("LST can't startup rpc\n");
136 lst_init_step = LST_INIT_RPC;
140 CERROR("LST can't startup framework\n");
143 lst_init_step = LST_INIT_FW;
145 rc = lstcon_console_init();
147 CERROR("LST can't startup console\n");
150 lst_init_step = LST_INIT_CONSOLE;
153 lnet_selftest_exit();
157 MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
158 MODULE_DESCRIPTION("LNet Selftest");
159 MODULE_VERSION("2.8.0");
160 MODULE_LICENSE("GPL");
162 module_init(lnet_selftest_init);
163 module_exit(lnet_selftest_exit);