1 /*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
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.
9 *
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).
15 *
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.sun.com/software/products/lustre/docs/GPLv2.pdf
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26 /*
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 *
30 * Copyright (c) 2012, Intel Corporation.
31 */
32 /*
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
35 */
36
37 #define DEBUG_SUBSYSTEM S_LNET
38
39 #include "selftest.h"
40
41 enum {
42 LST_INIT_NONE = 0,
43 LST_INIT_WI_SERIAL,
44 LST_INIT_WI_TEST,
45 LST_INIT_RPC,
46 LST_INIT_FW,
47 LST_INIT_CONSOLE
48 };
49
50 extern int lstcon_console_init(void);
51 extern int lstcon_console_fini(void);
52
53 static int lst_init_step = LST_INIT_NONE;
54
55 struct cfs_wi_sched *lst_sched_serial;
56 struct cfs_wi_sched **lst_sched_test;
57
58 void
lnet_selftest_fini(void)59 lnet_selftest_fini(void)
60 {
61 int i;
62
63 switch (lst_init_step) {
64 case LST_INIT_CONSOLE:
65 lstcon_console_fini();
66 case LST_INIT_FW:
67 sfw_shutdown();
68 case LST_INIT_RPC:
69 srpc_shutdown();
70 case LST_INIT_WI_TEST:
71 for (i = 0;
72 i < cfs_cpt_number(lnet_cpt_table()); i++) {
73 if (lst_sched_test[i] == NULL)
74 continue;
75 cfs_wi_sched_destroy(lst_sched_test[i]);
76 }
77 LIBCFS_FREE(lst_sched_test,
78 sizeof(lst_sched_test[0]) *
79 cfs_cpt_number(lnet_cpt_table()));
80 lst_sched_test = NULL;
81
82 case LST_INIT_WI_SERIAL:
83 cfs_wi_sched_destroy(lst_sched_serial);
84 lst_sched_serial = NULL;
85 case LST_INIT_NONE:
86 break;
87 default:
88 LBUG();
89 }
90 return;
91 }
92
93 void
lnet_selftest_structure_assertion(void)94 lnet_selftest_structure_assertion(void)
95 {
96 CLASSERT(sizeof(srpc_msg_t) == 160);
97 CLASSERT(sizeof(srpc_test_reqst_t) == 70);
98 CLASSERT(offsetof(srpc_msg_t, msg_body.tes_reqst.tsr_concur) == 72);
99 CLASSERT(offsetof(srpc_msg_t, msg_body.tes_reqst.tsr_ndest) == 78);
100 CLASSERT(sizeof(srpc_stat_reply_t) == 136);
101 CLASSERT(sizeof(srpc_stat_reqst_t) == 28);
102 }
103
104 int
lnet_selftest_init(void)105 lnet_selftest_init(void)
106 {
107 int nscheds;
108 int rc;
109 int i;
110
111 rc = cfs_wi_sched_create("lst_s", lnet_cpt_table(), CFS_CPT_ANY,
112 1, &lst_sched_serial);
113 if (rc != 0) {
114 CERROR("Failed to create serial WI scheduler for LST\n");
115 return rc;
116 }
117 lst_init_step = LST_INIT_WI_SERIAL;
118
119 nscheds = cfs_cpt_number(lnet_cpt_table());
120 LIBCFS_ALLOC(lst_sched_test, sizeof(lst_sched_test[0]) * nscheds);
121 if (lst_sched_test == NULL)
122 goto error;
123
124 lst_init_step = LST_INIT_WI_TEST;
125 for (i = 0; i < nscheds; i++) {
126 int nthrs = cfs_cpt_weight(lnet_cpt_table(), i);
127
128 /* reserve at least one CPU for LND */
129 nthrs = max(nthrs - 1, 1);
130 rc = cfs_wi_sched_create("lst_t", lnet_cpt_table(), i,
131 nthrs, &lst_sched_test[i]);
132 if (rc != 0) {
133 CERROR("Failed to create CPT affinity WI scheduler "
134 "%d for LST\n", i);
135 goto error;
136 }
137 }
138
139 rc = srpc_startup();
140 if (rc != 0) {
141 CERROR("LST can't startup rpc\n");
142 goto error;
143 }
144 lst_init_step = LST_INIT_RPC;
145
146 rc = sfw_startup();
147 if (rc != 0) {
148 CERROR("LST can't startup framework\n");
149 goto error;
150 }
151 lst_init_step = LST_INIT_FW;
152
153 rc = lstcon_console_init();
154 if (rc != 0) {
155 CERROR("LST can't startup console\n");
156 goto error;
157 }
158 lst_init_step = LST_INIT_CONSOLE;
159 return 0;
160 error:
161 lnet_selftest_fini();
162 return rc;
163 }
164
165
166 MODULE_DESCRIPTION("LNet Selftest");
167 MODULE_LICENSE("GPL");
168 MODULE_VERSION("0.9.0");
169
170 module_init(lnet_selftest_init);
171 module_exit(lnet_selftest_fini);
172