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 static 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 }
91
92 static int
lnet_selftest_init(void)93 lnet_selftest_init(void)
94 {
95 int nscheds;
96 int rc;
97 int i;
98
99 rc = cfs_wi_sched_create("lst_s", lnet_cpt_table(), CFS_CPT_ANY,
100 1, &lst_sched_serial);
101 if (rc != 0) {
102 CERROR("Failed to create serial WI scheduler for LST\n");
103 return rc;
104 }
105 lst_init_step = LST_INIT_WI_SERIAL;
106
107 nscheds = cfs_cpt_number(lnet_cpt_table());
108 LIBCFS_ALLOC(lst_sched_test, sizeof(lst_sched_test[0]) * nscheds);
109 if (lst_sched_test == NULL)
110 goto error;
111
112 lst_init_step = LST_INIT_WI_TEST;
113 for (i = 0; i < nscheds; i++) {
114 int nthrs = cfs_cpt_weight(lnet_cpt_table(), i);
115
116 /* reserve at least one CPU for LND */
117 nthrs = max(nthrs - 1, 1);
118 rc = cfs_wi_sched_create("lst_t", lnet_cpt_table(), i,
119 nthrs, &lst_sched_test[i]);
120 if (rc != 0) {
121 CERROR("Failed to create CPT affinity WI scheduler %d for LST\n",
122 i);
123 goto error;
124 }
125 }
126
127 rc = srpc_startup();
128 if (rc != 0) {
129 CERROR("LST can't startup rpc\n");
130 goto error;
131 }
132 lst_init_step = LST_INIT_RPC;
133
134 rc = sfw_startup();
135 if (rc != 0) {
136 CERROR("LST can't startup framework\n");
137 goto error;
138 }
139 lst_init_step = LST_INIT_FW;
140
141 rc = lstcon_console_init();
142 if (rc != 0) {
143 CERROR("LST can't startup console\n");
144 goto error;
145 }
146 lst_init_step = LST_INIT_CONSOLE;
147 return 0;
148 error:
149 lnet_selftest_fini();
150 return rc;
151 }
152
153 MODULE_DESCRIPTION("LNet Selftest");
154 MODULE_LICENSE("GPL");
155 MODULE_VERSION("0.9.0");
156
157 module_init(lnet_selftest_init);
158 module_exit(lnet_selftest_fini);
159