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1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2  * vim:expandtab:shiftwidth=8:tabstop=8:
3  *
4  * GPL HEADER START
5  *
6  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 only,
10  * as published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License version 2 for more details (a copy is included
16  * in the LICENSE file that accompanied this code).
17  *
18  * You should have received a copy of the GNU General Public License
19  * version 2 along with this program; If not, see
20  * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
21  *
22  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23  * CA 95054 USA or visit www.sun.com if you need additional information or
24  * have any questions.
25  *
26  * GPL HEADER END
27  */
28 /*
29  * Copyright  2008 Sun Microsystems, Inc. All rights reserved
30  * Use is subject to license terms.
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 #ifndef EXPORT_SYMTAB
38 # define EXPORT_SYMTAB
39 #endif
40 #define DEBUG_SUBSYSTEM S_RPC
41
42 #ifndef __KERNEL__
43 # include <liblustre.h>
44 #endif
45
46 #include <obd_support.h>
47 #include <obd_class.h>
48 #include <lustre_net.h>
49 #include <lustre_req_layout.h>
50
51 #include "ptlrpc_internal.h"
52
53 extern spinlock_t ptlrpc_last_xid_lock;
54 extern spinlock_t ptlrpc_rs_debug_lock;
55 extern spinlock_t ptlrpc_all_services_lock;
56 extern struct semaphore pinger_sem;
57 extern struct semaphore ptlrpcd_sem;
58
59 __init int ptlrpc_init(void)
60 {
61         int rc, cleanup_phase = 0;
62         ENTRY;
63
64         lustre_assert_wire_constants();
65         spin_lock_init(&ptlrpc_rs_debug_lock);
66         spin_lock_init(&ptlrpc_all_services_lock);
67         init_mutex(&pinger_sem);
68         init_mutex(&ptlrpcd_sem);
69         ptlrpc_init_xid();
70
71         rc = req_layout_init();
72         if (rc)
73                 RETURN(rc);
74
75         rc = ptlrpc_hr_init();
76         if (rc)
77                 RETURN(rc);
78
79         cleanup_phase = 1;
80
81         rc = ptlrpc_init_portals();
82         if (rc)
83                 RETURN(rc);
84         cleanup_phase = 2;
85
86         rc = ptlrpc_connection_init();
87         if (rc)
88                 GOTO(cleanup, rc);
89         cleanup_phase = 3;
90
91         ptlrpc_put_connection_superhack = ptlrpc_connection_put;
92
93         rc = ptlrpc_start_pinger();
94         if (rc)
95                 GOTO(cleanup, rc);
96         cleanup_phase = 4;
97
98         rc = ldlm_init();
99         if (rc)
100                 GOTO(cleanup, rc);
101         cleanup_phase = 5;
102
103         rc = sptlrpc_init();
104         if (rc)
105                 GOTO(cleanup, rc);
106
107         cleanup_phase = 6;
108         rc = llog_recov_init();
109         if (rc)
110                 GOTO(cleanup, rc);
111
112         RETURN(0);
113
114 cleanup:
115         switch(cleanup_phase) {
116         case 6:
117                 sptlrpc_fini();
118         case 5:
119                 ldlm_exit();
120         case 4:
121                 ptlrpc_stop_pinger();
122         case 3:
123                 ptlrpc_connection_fini();
124         case 2:
125                 ptlrpc_exit_portals();
126         case 1:
127                 ptlrpc_hr_fini();
128                 req_layout_fini();
129         default: ;
130         }
131
132         return rc;
133 }
134
135 #ifdef __KERNEL__
136 static void __exit ptlrpc_exit(void)
137 {
138         llog_recov_fini();
139         sptlrpc_fini();
140         ldlm_exit();
141         ptlrpc_stop_pinger();
142         ptlrpc_exit_portals();
143         ptlrpc_hr_fini();
144         ptlrpc_connection_fini();
145 }
146
147 /* connection.c */
148 EXPORT_SYMBOL(ptlrpc_connection_get);
149 EXPORT_SYMBOL(ptlrpc_connection_put);
150 EXPORT_SYMBOL(ptlrpc_connection_addref);
151 EXPORT_SYMBOL(ptlrpc_connection_init);
152 EXPORT_SYMBOL(ptlrpc_connection_fini);
153
154 /* niobuf.c */
155 EXPORT_SYMBOL(ptlrpc_start_bulk_transfer);
156 EXPORT_SYMBOL(ptlrpc_abort_bulk);
157 EXPORT_SYMBOL(ptlrpc_register_bulk);
158 EXPORT_SYMBOL(ptlrpc_unregister_bulk);
159 EXPORT_SYMBOL(ptlrpc_send_reply);
160 EXPORT_SYMBOL(ptlrpc_reply);
161 EXPORT_SYMBOL(ptlrpc_send_error);
162 EXPORT_SYMBOL(ptlrpc_error);
163 EXPORT_SYMBOL(ptlrpc_resend_req);
164 EXPORT_SYMBOL(ptl_send_rpc);
165
166 /* client.c */
167 EXPORT_SYMBOL(ptlrpc_init_client);
168 EXPORT_SYMBOL(ptlrpc_cleanup_client);
169 EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
170 EXPORT_SYMBOL(ptlrpc_queue_wait);
171 EXPORT_SYMBOL(ptlrpc_replay_req);
172 EXPORT_SYMBOL(ptlrpc_restart_req);
173 EXPORT_SYMBOL(ptlrpc_add_rqs_to_pool);
174 EXPORT_SYMBOL(ptlrpc_init_rq_pool);
175 EXPORT_SYMBOL(ptlrpc_free_rq_pool);
176 EXPORT_SYMBOL(ptlrpc_prep_req_pool);
177 EXPORT_SYMBOL(ptlrpc_at_set_req_timeout);
178 EXPORT_SYMBOL(ptlrpc_request_alloc);
179 EXPORT_SYMBOL(ptlrpc_request_alloc_pool);
180 EXPORT_SYMBOL(ptlrpc_request_free);
181 EXPORT_SYMBOL(ptlrpc_request_pack);
182 EXPORT_SYMBOL(ptlrpc_request_alloc_pack);
183 EXPORT_SYMBOL(ptlrpc_prep_req);
184 EXPORT_SYMBOL(ptlrpc_unregister_reply);
185 EXPORT_SYMBOL(ptlrpc_req_finished);
186 EXPORT_SYMBOL(ptlrpc_req_finished_with_imp_lock);
187 EXPORT_SYMBOL(ptlrpc_request_addref);
188 EXPORT_SYMBOL(ptlrpc_prep_bulk_imp);
189 EXPORT_SYMBOL(ptlrpc_prep_bulk_exp);
190 EXPORT_SYMBOL(ptlrpc_free_bulk);
191 EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
192 EXPORT_SYMBOL(ptlrpc_abort_inflight);
193 EXPORT_SYMBOL(ptlrpc_retain_replayable_request);
194 EXPORT_SYMBOL(ptlrpc_next_xid);
195 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
196 EXPORT_SYMBOL(ptlrpc_request_set_replen);
197
198 EXPORT_SYMBOL(ptlrpc_prep_set);
199 EXPORT_SYMBOL(ptlrpc_set_add_cb);
200 EXPORT_SYMBOL(ptlrpc_set_add_req);
201 EXPORT_SYMBOL(ptlrpc_set_add_new_req);
202 EXPORT_SYMBOL(ptlrpc_set_destroy);
203 EXPORT_SYMBOL(ptlrpc_set_next_timeout);
204 EXPORT_SYMBOL(ptlrpc_check_set);
205 EXPORT_SYMBOL(ptlrpc_set_wait);
206 EXPORT_SYMBOL(ptlrpc_expired_set);
207 EXPORT_SYMBOL(ptlrpc_interrupted_set);
208 EXPORT_SYMBOL(ptlrpc_mark_interrupted);
209
210 /* service.c */
211 EXPORT_SYMBOL(ptlrpc_save_lock);
212 EXPORT_SYMBOL(ptlrpc_schedule_difficult_reply);
213 EXPORT_SYMBOL(ptlrpc_commit_replies);
214 EXPORT_SYMBOL(ptlrpc_init_svc);
215 EXPORT_SYMBOL(ptlrpc_stop_all_threads);
216 EXPORT_SYMBOL(ptlrpc_start_threads);
217 EXPORT_SYMBOL(ptlrpc_start_thread);
218 EXPORT_SYMBOL(ptlrpc_unregister_service);
219 EXPORT_SYMBOL(ptlrpc_daemonize);
220 EXPORT_SYMBOL(ptlrpc_service_health_check);
221 EXPORT_SYMBOL(ptlrpc_hpreq_reorder);
222
223 /* pack_generic.c */
224 EXPORT_SYMBOL(lustre_msg_swabbed);
225 EXPORT_SYMBOL(lustre_msg_check_version);
226 EXPORT_SYMBOL(lustre_pack_request);
227 EXPORT_SYMBOL(lustre_pack_reply);
228 EXPORT_SYMBOL(lustre_pack_reply_flags);
229 EXPORT_SYMBOL(lustre_shrink_msg);
230 EXPORT_SYMBOL(lustre_free_reply_state);
231 EXPORT_SYMBOL(lustre_msg_size);
232 EXPORT_SYMBOL(lustre_packed_msg_size);
233 EXPORT_SYMBOL(lustre_unpack_msg);
234 EXPORT_SYMBOL(lustre_msg_buf);
235 EXPORT_SYMBOL(lustre_msg_string);
236 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
237 EXPORT_SYMBOL(lustre_swab_buf);
238 EXPORT_SYMBOL(lustre_swab_reqbuf);
239 EXPORT_SYMBOL(lustre_swab_repbuf);
240 EXPORT_SYMBOL(lustre_swab_obdo);
241 EXPORT_SYMBOL(lustre_swab_obd_statfs);
242 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
243 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
244 EXPORT_SYMBOL(lustre_swab_ost_body);
245 EXPORT_SYMBOL(lustre_swab_ost_last_id);
246 EXPORT_SYMBOL(lustre_swab_ost_lvb);
247 EXPORT_SYMBOL(lustre_swab_mds_status_req);
248 EXPORT_SYMBOL(lustre_swab_mds_body);
249 EXPORT_SYMBOL(lustre_swab_mdt_body);
250 EXPORT_SYMBOL(lustre_swab_mdt_epoch);
251 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
252 EXPORT_SYMBOL(lustre_swab_mds_remote_perm);
253 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
254 EXPORT_SYMBOL(lustre_swab_mds_rec_setattr);
255 EXPORT_SYMBOL(lustre_swab_mds_rec_create);
256 EXPORT_SYMBOL(lustre_swab_mds_rec_join);
257 EXPORT_SYMBOL(lustre_swab_mdt_rec_join);
258 EXPORT_SYMBOL(lustre_swab_mds_rec_link);
259 EXPORT_SYMBOL(lustre_swab_mds_rec_unlink);
260 EXPORT_SYMBOL(lustre_swab_mds_rec_rename);
261 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
262 EXPORT_SYMBOL(lustre_swab_lov_desc);
263 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
264 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
265 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
266 EXPORT_SYMBOL(lustre_swab_lov_user_md_join);
267 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
268 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
269 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
270 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
271 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
272 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
273 EXPORT_SYMBOL(lustre_swab_ldlm_request);
274 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
275 EXPORT_SYMBOL(lustre_swab_qdata);
276 EXPORT_SYMBOL(lustre_swab_quota_adjust_qunit);
277 EXPORT_SYMBOL(lustre_msg_get_flags);
278 EXPORT_SYMBOL(lustre_msg_add_flags);
279 EXPORT_SYMBOL(lustre_msg_set_flags);
280 EXPORT_SYMBOL(lustre_msg_clear_flags);
281 EXPORT_SYMBOL(lustre_msg_get_op_flags);
282 EXPORT_SYMBOL(lustre_msg_add_op_flags);
283 EXPORT_SYMBOL(lustre_msg_set_op_flags);
284 EXPORT_SYMBOL(lustre_msg_get_handle );
285 EXPORT_SYMBOL(lustre_msg_get_type);
286 EXPORT_SYMBOL(lustre_msg_get_version);
287 EXPORT_SYMBOL(lustre_msg_add_version);
288 EXPORT_SYMBOL(lustre_msg_get_opc);
289 EXPORT_SYMBOL(lustre_msg_get_last_xid);
290 EXPORT_SYMBOL(lustre_msg_get_last_committed);
291 EXPORT_SYMBOL(lustre_msg_get_transno);
292 EXPORT_SYMBOL(lustre_msg_get_status);
293 EXPORT_SYMBOL(lustre_msg_get_slv);
294 EXPORT_SYMBOL(lustre_msg_get_limit);
295 EXPORT_SYMBOL(lustre_msg_set_slv);
296 EXPORT_SYMBOL(lustre_msg_set_limit);
297 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
298 EXPORT_SYMBOL(lustre_msg_is_v1);
299 EXPORT_SYMBOL(lustre_msg_get_magic);
300 EXPORT_SYMBOL(lustre_msg_set_handle);
301 EXPORT_SYMBOL(lustre_msg_set_type);
302 EXPORT_SYMBOL(lustre_msg_set_opc);
303 EXPORT_SYMBOL(lustre_msg_set_last_xid);
304 EXPORT_SYMBOL(lustre_msg_set_last_committed);
305 EXPORT_SYMBOL(lustre_msg_set_transno);
306 EXPORT_SYMBOL(lustre_msg_set_status);
307 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
308 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
309 EXPORT_SYMBOL(lustre_swab_generic_32s);
310 EXPORT_SYMBOL(lustre_swab_lustre_capa);
311 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
312 EXPORT_SYMBOL(lustre_swab_fiemap);
313
314 /* recover.c */
315 EXPORT_SYMBOL(ptlrpc_disconnect_import);
316 EXPORT_SYMBOL(ptlrpc_resend);
317 EXPORT_SYMBOL(ptlrpc_wake_delayed);
318 EXPORT_SYMBOL(ptlrpc_set_import_active);
319 EXPORT_SYMBOL(ptlrpc_activate_import);
320 EXPORT_SYMBOL(ptlrpc_deactivate_import);
321 EXPORT_SYMBOL(ptlrpc_invalidate_import);
322 EXPORT_SYMBOL(ptlrpc_fail_import);
323 EXPORT_SYMBOL(ptlrpc_recover_import);
324
325 /* pinger.c */
326 EXPORT_SYMBOL(ptlrpc_pinger_add_import);
327 EXPORT_SYMBOL(ptlrpc_pinger_del_import);
328 EXPORT_SYMBOL(ptlrpc_add_timeout_client);
329 EXPORT_SYMBOL(ptlrpc_del_timeout_client);
330 EXPORT_SYMBOL(ptlrpc_pinger_sending_on_import);
331
332 /* ptlrpcd.c */
333 EXPORT_SYMBOL(ptlrpcd_addref);
334 EXPORT_SYMBOL(ptlrpcd_decref);
335 EXPORT_SYMBOL(ptlrpcd_add_req);
336 EXPORT_SYMBOL(ptlrpcd_wake);
337
338 /* llogd.c */
339 EXPORT_SYMBOL(llog_origin_handle_create);
340 EXPORT_SYMBOL(llog_origin_handle_destroy);
341 EXPORT_SYMBOL(llog_origin_handle_next_block);
342 EXPORT_SYMBOL(llog_origin_handle_prev_block);
343 EXPORT_SYMBOL(llog_origin_handle_read_header);
344 EXPORT_SYMBOL(llog_origin_handle_close);
345 EXPORT_SYMBOL(llog_client_ops);
346 EXPORT_SYMBOL(llog_catinfo);
347
348 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
349 MODULE_DESCRIPTION("Lustre Request Processor and Lock Management");
350 MODULE_LICENSE("GPL");
351
352 cfs_module(ptlrpc, "1.0.0", ptlrpc_init, ptlrpc_exit);
353 #endif