lustre/ptlrpc/ptlrpc_module.c

   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 (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  30  * Use is subject to license terms.
  31  *
  32  * Copyright (c) 2011, Whamcloud, Inc.
  33  */
  34 /*
  35  * This file is part of Lustre, http://www.lustre.org/
  36  * Lustre is a trademark of Sun Microsystems, Inc.
  37  */
  38
  39 #ifndef EXPORT_SYMTAB
  40 # define EXPORT_SYMTAB
  41 #endif
  42 #define DEBUG_SUBSYSTEM S_RPC
  43
  44 #ifndef __KERNEL__
  45 # include <liblustre.h>
  46 #endif
  47
  48 #include <obd_support.h>
  49 #include <obd_class.h>
  50 #include <lustre_net.h>
  51 #include <lustre_req_layout.h>
  52
  53 #include "ptlrpc_internal.h"
  54
  55 extern cfs_spinlock_t ptlrpc_last_xid_lock;
  56 #if RS_DEBUG
  57 extern cfs_spinlock_t ptlrpc_rs_debug_lock;
  58 #endif
  59 extern cfs_spinlock_t ptlrpc_all_services_lock;
  60 extern cfs_semaphore_t pinger_sem;
  61 extern cfs_semaphore_t ptlrpcd_sem;
  62
  63 __init int ptlrpc_init(void)
  64 {
  65         int rc, cleanup_phase = 0;
  66         ENTRY;
  67
  68         lustre_assert_wire_constants();
  69 #if RS_DEBUG
  70         cfs_spin_lock_init(&ptlrpc_rs_debug_lock);
  71 #endif
  72         cfs_spin_lock_init(&ptlrpc_all_services_lock);
  73         cfs_init_mutex(&pinger_sem);
  74         cfs_init_mutex(&ptlrpcd_sem);
  75         ptlrpc_init_xid();
  76
  77         rc = req_layout_init();
  78         if (rc)
  79                 RETURN(rc);
  80
  81         rc = ptlrpc_hr_init();
  82         if (rc)
  83                 RETURN(rc);
  84
  85         cleanup_phase = 1;
  86
  87         rc = ptlrpc_init_portals();
  88         if (rc)
  89                 GOTO(cleanup, rc);
  90         cleanup_phase = 2;
  91
  92         rc = ptlrpc_connection_init();
  93         if (rc)
  94                 GOTO(cleanup, rc);
  95         cleanup_phase = 3;
  96
  97         ptlrpc_put_connection_superhack = ptlrpc_connection_put;
  98
  99         rc = ptlrpc_start_pinger();
 100         if (rc)
 101                 GOTO(cleanup, rc);
 102         cleanup_phase = 4;
 103
 104         rc = ldlm_init();
 105         if (rc)
 106                 GOTO(cleanup, rc);
 107         cleanup_phase = 5;
 108
 109         rc = sptlrpc_init();
 110         if (rc)
 111                 GOTO(cleanup, rc);
 112
 113         cleanup_phase = 6;
 114         rc = llog_recov_init();
 115         if (rc)
 116                 GOTO(cleanup, rc);
 117
 118         RETURN(0);
 119
 120 cleanup:
 121         switch(cleanup_phase) {
 122         case 6:
 123                 sptlrpc_fini();
 124         case 5:
 125                 ldlm_exit();
 126         case 4:
 127                 ptlrpc_stop_pinger();
 128         case 3:
 129                 ptlrpc_connection_fini();
 130         case 2:
 131                 ptlrpc_exit_portals();
 132         case 1:
 133                 ptlrpc_hr_fini();
 134                 req_layout_fini();
 135         default: ;
 136         }
 137
 138         return rc;
 139 }
 140
 141 #ifdef __KERNEL__
 142 static void __exit ptlrpc_exit(void)
 143 {
 144         llog_recov_fini();
 145         sptlrpc_fini();
 146         ldlm_exit();
 147         ptlrpc_stop_pinger();
 148         ptlrpc_exit_portals();
 149         ptlrpc_hr_fini();
 150         ptlrpc_connection_fini();
 151 }
 152
 153 /* connection.c */
 154 EXPORT_SYMBOL(ptlrpc_connection_get);
 155 EXPORT_SYMBOL(ptlrpc_connection_put);
 156 EXPORT_SYMBOL(ptlrpc_connection_addref);
 157 EXPORT_SYMBOL(ptlrpc_connection_init);
 158 EXPORT_SYMBOL(ptlrpc_connection_fini);
 159
 160 /* niobuf.c */
 161 EXPORT_SYMBOL(ptlrpc_start_bulk_transfer);
 162 EXPORT_SYMBOL(ptlrpc_abort_bulk);
 163 EXPORT_SYMBOL(ptlrpc_register_bulk);
 164 EXPORT_SYMBOL(ptlrpc_unregister_bulk);
 165 EXPORT_SYMBOL(ptlrpc_send_reply);
 166 EXPORT_SYMBOL(ptlrpc_reply);
 167 EXPORT_SYMBOL(ptlrpc_send_error);
 168 EXPORT_SYMBOL(ptlrpc_error);
 169 EXPORT_SYMBOL(ptlrpc_resend_req);
 170 EXPORT_SYMBOL(ptl_send_rpc);
 171
 172 /* client.c */
 173 EXPORT_SYMBOL(ptlrpc_init_client);
 174 EXPORT_SYMBOL(ptlrpc_cleanup_client);
 175 EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
 176 EXPORT_SYMBOL(ptlrpc_queue_wait);
 177 EXPORT_SYMBOL(ptlrpc_replay_req);
 178 EXPORT_SYMBOL(ptlrpc_restart_req);
 179 EXPORT_SYMBOL(ptlrpc_add_rqs_to_pool);
 180 EXPORT_SYMBOL(ptlrpc_init_rq_pool);
 181 EXPORT_SYMBOL(ptlrpc_free_rq_pool);
 182 EXPORT_SYMBOL(ptlrpc_prep_req_pool);
 183 EXPORT_SYMBOL(ptlrpc_prep_fakereq);
 184 EXPORT_SYMBOL(ptlrpc_fakereq_finished);
 185 EXPORT_SYMBOL(ptlrpc_at_set_req_timeout);
 186 EXPORT_SYMBOL(ptlrpc_request_alloc);
 187 EXPORT_SYMBOL(ptlrpc_request_alloc_pool);
 188 EXPORT_SYMBOL(ptlrpc_request_free);
 189 EXPORT_SYMBOL(ptlrpc_request_pack);
 190 EXPORT_SYMBOL(ptlrpc_request_alloc_pack);
 191 EXPORT_SYMBOL(ptlrpc_prep_req);
 192 EXPORT_SYMBOL(ptlrpc_unregister_reply);
 193 EXPORT_SYMBOL(ptlrpc_req_finished);
 194 EXPORT_SYMBOL(ptlrpc_req_finished_with_imp_lock);
 195 EXPORT_SYMBOL(ptlrpc_request_addref);
 196 EXPORT_SYMBOL(ptlrpc_prep_bulk_imp);
 197 EXPORT_SYMBOL(ptlrpc_prep_bulk_exp);
 198 EXPORT_SYMBOL(ptlrpc_free_bulk);
 199 EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
 200 EXPORT_SYMBOL(ptlrpc_abort_inflight);
 201 EXPORT_SYMBOL(ptlrpc_cleanup_imp);
 202 EXPORT_SYMBOL(ptlrpc_retain_replayable_request);
 203 EXPORT_SYMBOL(ptlrpc_next_xid);
 204 EXPORT_SYMBOL(ptlrpc_req_set_repsize);
 205 EXPORT_SYMBOL(ptlrpc_request_set_replen);
 206
 207 EXPORT_SYMBOL(ptlrpc_prep_set);
 208 EXPORT_SYMBOL(ptlrpc_set_add_cb);
 209 EXPORT_SYMBOL(ptlrpc_set_add_req);
 210 EXPORT_SYMBOL(ptlrpc_set_add_new_req);
 211 EXPORT_SYMBOL(ptlrpc_set_destroy);
 212 EXPORT_SYMBOL(ptlrpc_set_next_timeout);
 213 EXPORT_SYMBOL(ptlrpc_check_set);
 214 EXPORT_SYMBOL(ptlrpc_set_wait);
 215 EXPORT_SYMBOL(ptlrpc_expired_set);
 216 EXPORT_SYMBOL(ptlrpc_interrupted_set);
 217 EXPORT_SYMBOL(ptlrpc_mark_interrupted);
 218
 219 /* service.c */
 220 EXPORT_SYMBOL(ptlrpc_save_lock);
 221 EXPORT_SYMBOL(ptlrpc_schedule_difficult_reply);
 222 EXPORT_SYMBOL(ptlrpc_commit_replies);
 223 EXPORT_SYMBOL(ptlrpc_init_svc);
 224 EXPORT_SYMBOL(ptlrpc_stop_all_threads);
 225 EXPORT_SYMBOL(ptlrpc_start_threads);
 226 EXPORT_SYMBOL(ptlrpc_start_thread);
 227 EXPORT_SYMBOL(ptlrpc_unregister_service);
 228 EXPORT_SYMBOL(ptlrpc_service_health_check);
 229 EXPORT_SYMBOL(ptlrpc_hpreq_reorder);
 230
 231 /* pack_generic.c */
 232 EXPORT_SYMBOL(lustre_msg_check_version);
 233 EXPORT_SYMBOL(lustre_pack_request);
 234 EXPORT_SYMBOL(lustre_pack_reply);
 235 EXPORT_SYMBOL(lustre_pack_reply_flags);
 236 EXPORT_SYMBOL(lustre_shrink_msg);
 237 EXPORT_SYMBOL(lustre_free_reply_state);
 238 EXPORT_SYMBOL(lustre_msg_size);
 239 EXPORT_SYMBOL(lustre_packed_msg_size);
 240 EXPORT_SYMBOL(ptlrpc_unpack_rep_msg);
 241 EXPORT_SYMBOL(ptlrpc_unpack_req_msg);
 242 EXPORT_SYMBOL(lustre_msg_buf);
 243 EXPORT_SYMBOL(lustre_msg_string);
 244 EXPORT_SYMBOL(ptlrpc_buf_set_swabbed);
 245 EXPORT_SYMBOL(ptlrpc_buf_need_swab);
 246 EXPORT_SYMBOL(lustre_swab_ptlrpc_body);
 247 EXPORT_SYMBOL(lustre_swab_obdo);
 248 EXPORT_SYMBOL(lustre_swab_obd_statfs);
 249 EXPORT_SYMBOL(lustre_swab_obd_ioobj);
 250 EXPORT_SYMBOL(lustre_swab_niobuf_remote);
 251 EXPORT_SYMBOL(lustre_swab_ost_body);
 252 EXPORT_SYMBOL(lustre_swab_ost_last_id);
 253 EXPORT_SYMBOL(lustre_swab_ost_lvb);
 254 EXPORT_SYMBOL(lustre_swab_mdt_body);
 255 EXPORT_SYMBOL(lustre_swab_mdt_ioepoch);
 256 EXPORT_SYMBOL(lustre_swab_obd_quotactl);
 257 EXPORT_SYMBOL(lustre_swab_mdt_remote_perm);
 258 EXPORT_SYMBOL(lustre_swab_mdt_rec_reint);
 259 EXPORT_SYMBOL(lustre_swab_lov_desc);
 260 EXPORT_SYMBOL(lustre_swab_lov_user_md_v1);
 261 EXPORT_SYMBOL(lustre_swab_lov_user_md_v3);
 262 EXPORT_SYMBOL(lustre_swab_lov_user_md_objects);
 263 EXPORT_SYMBOL(lustre_swab_lov_mds_md);
 264 EXPORT_SYMBOL(lustre_swab_ldlm_res_id);
 265 EXPORT_SYMBOL(lustre_swab_ldlm_policy_data);
 266 EXPORT_SYMBOL(lustre_swab_ldlm_intent);
 267 EXPORT_SYMBOL(lustre_swab_ldlm_resource_desc);
 268 EXPORT_SYMBOL(lustre_swab_ldlm_lock_desc);
 269 EXPORT_SYMBOL(lustre_swab_ldlm_request);
 270 EXPORT_SYMBOL(lustre_swab_ldlm_reply);
 271 EXPORT_SYMBOL(dump_ioo);
 272 EXPORT_SYMBOL(dump_rniobuf);
 273 EXPORT_SYMBOL(dump_obdo);
 274 EXPORT_SYMBOL(dump_ost_body);
 275 EXPORT_SYMBOL(dump_rcs);
 276 EXPORT_SYMBOL(lustre_swab_qdata);
 277 EXPORT_SYMBOL(lustre_swab_quota_adjust_qunit);
 278 EXPORT_SYMBOL(lustre_msg_get_flags);
 279 EXPORT_SYMBOL(lustre_msg_add_flags);
 280 EXPORT_SYMBOL(lustre_msg_set_flags);
 281 EXPORT_SYMBOL(lustre_msg_clear_flags);
 282 EXPORT_SYMBOL(lustre_msg_get_op_flags);
 283 EXPORT_SYMBOL(lustre_msg_add_op_flags);
 284 EXPORT_SYMBOL(lustre_msg_set_op_flags);
 285 EXPORT_SYMBOL(lustre_msg_get_handle );
 286 EXPORT_SYMBOL(lustre_msg_get_type);
 287 EXPORT_SYMBOL(lustre_msg_get_version);
 288 EXPORT_SYMBOL(lustre_msg_add_version);
 289 EXPORT_SYMBOL(lustre_msg_get_opc);
 290 EXPORT_SYMBOL(lustre_msg_get_last_xid);
 291 EXPORT_SYMBOL(lustre_msg_get_last_committed);
 292 EXPORT_SYMBOL(lustre_msg_get_versions);
 293 EXPORT_SYMBOL(lustre_msg_get_transno);
 294 EXPORT_SYMBOL(lustre_msg_get_status);
 295 EXPORT_SYMBOL(lustre_msg_get_slv);
 296 EXPORT_SYMBOL(lustre_msg_get_limit);
 297 EXPORT_SYMBOL(lustre_msg_set_slv);
 298 EXPORT_SYMBOL(lustre_msg_set_limit);
 299 EXPORT_SYMBOL(lustre_msg_get_conn_cnt);
 300 EXPORT_SYMBOL(lustre_msg_is_v1);
 301 EXPORT_SYMBOL(lustre_msg_get_magic);
 302 EXPORT_SYMBOL(lustre_msg_set_handle);
 303 EXPORT_SYMBOL(lustre_msg_set_type);
 304 EXPORT_SYMBOL(lustre_msg_set_opc);
 305 EXPORT_SYMBOL(lustre_msg_set_last_xid);
 306 EXPORT_SYMBOL(lustre_msg_set_last_committed);
 307 EXPORT_SYMBOL(lustre_msg_set_versions);
 308 EXPORT_SYMBOL(lustre_msg_set_transno);
 309 EXPORT_SYMBOL(lustre_msg_set_status);
 310 EXPORT_SYMBOL(lustre_msg_set_conn_cnt);
 311 EXPORT_SYMBOL(lustre_swab_mgs_target_info);
 312 EXPORT_SYMBOL(lustre_swab_generic_32s);
 313 EXPORT_SYMBOL(lustre_swab_lustre_capa);
 314 EXPORT_SYMBOL(lustre_swab_lustre_capa_key);
 315 EXPORT_SYMBOL(lustre_swab_fiemap);
 316
 317 /* recover.c */
 318 EXPORT_SYMBOL(ptlrpc_disconnect_import);
 319 EXPORT_SYMBOL(ptlrpc_resend);
 320 EXPORT_SYMBOL(ptlrpc_wake_delayed);
 321 EXPORT_SYMBOL(ptlrpc_set_import_active);
 322 EXPORT_SYMBOL(ptlrpc_activate_import);
 323 EXPORT_SYMBOL(ptlrpc_deactivate_import);
 324 EXPORT_SYMBOL(ptlrpc_invalidate_import);
 325 EXPORT_SYMBOL(ptlrpc_fail_import);
 326 EXPORT_SYMBOL(ptlrpc_recover_import);
 327
 328 /* pinger.c */
 329 EXPORT_SYMBOL(ptlrpc_pinger_add_import);
 330 EXPORT_SYMBOL(ptlrpc_pinger_del_import);
 331 EXPORT_SYMBOL(ptlrpc_add_timeout_client);
 332 EXPORT_SYMBOL(ptlrpc_del_timeout_client);
 333 EXPORT_SYMBOL(ptlrpc_pinger_sending_on_import);
 334
 335 /* ptlrpcd.c */
 336 EXPORT_SYMBOL(ptlrpcd_addref);
 337 EXPORT_SYMBOL(ptlrpcd_decref);
 338 EXPORT_SYMBOL(ptlrpcd_add_req);
 339 EXPORT_SYMBOL(ptlrpcd_wake);
 340
 341 /* llogd.c */
 342 EXPORT_SYMBOL(llog_origin_handle_create);
 343 EXPORT_SYMBOL(llog_origin_handle_destroy);
 344 EXPORT_SYMBOL(llog_origin_handle_next_block);
 345 EXPORT_SYMBOL(llog_origin_handle_prev_block);
 346 EXPORT_SYMBOL(llog_origin_handle_read_header);
 347 EXPORT_SYMBOL(llog_origin_handle_close);
 348 EXPORT_SYMBOL(llog_client_ops);
 349 EXPORT_SYMBOL(llog_catinfo);
 350
 351 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
 352 MODULE_DESCRIPTION("Lustre Request Processor and Lock Management");
 353 MODULE_LICENSE("GPL");
 354
 355 cfs_module(ptlrpc, "1.0.0", ptlrpc_init, ptlrpc_exit);
 356 #endif