1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2002 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define DEBUG_SUBSYSTEM S_RPC
26 #include <linux/module.h>
27 #include <linux/lustre_ha.h>
29 extern int ptlrpc_init_portals(void);
30 extern void ptlrpc_exit_portals(void);
32 int connmgr_setup(struct obd_device *obddev, obd_count len, void *buf)
34 struct recovd_obd *recovd = &obddev->u.recovd;
39 memset(recovd, 0, sizeof(*recovd));
41 OBD_ALLOC(recovd->recovd_client, sizeof(*recovd->recovd_client));
43 GOTO(err_dec, err = -ENOMEM);
45 err = recovd_setup(recovd);
49 recovd->recovd_service = ptlrpc_init_svc(128 * 1024,
50 CONNMGR_REQUEST_PORTAL,
52 "self", connmgr_handle);
53 if (!recovd->recovd_service) {
54 CERROR("failed to start service\n");
55 GOTO(err_recovd, err = -ENOMEM);
58 ptlrpc_init_client(NULL, NULL, CONNMGR_REQUEST_PORTAL,
59 CONNMGR_REPLY_PORTAL, recovd->recovd_client);
60 recovd->recovd_client->cli_name = "connmgr";
62 err = ptlrpc_start_thread(obddev, recovd->recovd_service,
65 CERROR("cannot start thread\n");
69 ptlrpc_connmgr = recovd;
73 rpc_unregister_service(recovd->recovd_service);
75 recovd_cleanup(recovd);
77 OBD_FREE(recovd->recovd_client, sizeof(*recovd->recovd_client));
83 int connmgr_cleanup(struct obd_device *dev)
85 struct recovd_obd *recovd = &dev->u.recovd;
88 err = recovd_cleanup(recovd);
92 ptlrpc_stop_all_threads(recovd->recovd_service);
93 rpc_unregister_service(recovd->recovd_service);
94 if (!list_empty(&recovd->recovd_service->srv_reqs)) {
95 // XXX reply with errors and clean up
96 CERROR("Request list not empty!\n");
99 OBD_FREE(recovd->recovd_service, sizeof(*recovd->recovd_service));
100 ptlrpc_cleanup_client(recovd->recovd_client);
101 OBD_FREE(recovd->recovd_client, sizeof(*recovd->recovd_client));
107 int connmgr_iocontrol(long cmd, struct obd_conn *conn, int len, void *karg,
110 struct recovd_obd *recovd = &conn->oc_dev->u.recovd;
113 if (cmd == OBD_IOC_RECOVD_NEWCONN) {
114 spin_lock(&recovd->recovd_lock);
115 recovd->recovd_flags |= RECOVD_UPCALL_ANSWER;
116 recovd->recovd_wakeup_flag = 1;
117 wake_up(&recovd->recovd_waitq);
118 spin_unlock(&recovd->recovd_lock);
125 /* use obd ops to offer management infrastructure */
126 static struct obd_ops recovd_obd_ops = {
127 o_setup: connmgr_setup,
128 o_cleanup: connmgr_cleanup,
129 o_iocontrol: connmgr_iocontrol,
132 static int __init ptlrpc_init(void)
135 rc = ptlrpc_init_portals();
138 ptlrpc_init_connection();
139 obd_register_type(&recovd_obd_ops, LUSTRE_HA_NAME);
143 static void __exit ptlrpc_exit(void)
145 obd_unregister_type(LUSTRE_HA_NAME);
146 ptlrpc_exit_portals();
147 ptlrpc_cleanup_connection();
151 EXPORT_SYMBOL(ptlrpc_check_bulk_sent);
154 EXPORT_SYMBOL(ptlrpc_connmgr);
155 EXPORT_SYMBOL(connmgr_connect);
156 EXPORT_SYMBOL(connmgr_handle);
157 EXPORT_SYMBOL(recovd_cli_fail);
158 EXPORT_SYMBOL(recovd_cli_manage);
159 EXPORT_SYMBOL(recovd_cli_fixed);
160 EXPORT_SYMBOL(recovd_setup);
161 EXPORT_SYMBOL(recovd_cleanup);
164 EXPORT_SYMBOL(ptlrpc_readdress_connection);
165 EXPORT_SYMBOL(ptlrpc_get_connection);
166 EXPORT_SYMBOL(ptlrpc_put_connection);
167 EXPORT_SYMBOL(ptlrpc_connection_addref);
168 EXPORT_SYMBOL(ptlrpc_init_connection);
169 EXPORT_SYMBOL(ptlrpc_cleanup_connection);
172 EXPORT_SYMBOL(ptlrpc_send_bulk);
173 EXPORT_SYMBOL(ptlrpc_register_bulk);
174 EXPORT_SYMBOL(ptlrpc_abort_bulk);
175 EXPORT_SYMBOL(ptlrpc_reply);
176 EXPORT_SYMBOL(ptlrpc_error);
177 EXPORT_SYMBOL(ptlrpc_resend_req);
178 EXPORT_SYMBOL(ptl_send_rpc);
179 EXPORT_SYMBOL(ptlrpc_link_svc_me);
182 EXPORT_SYMBOL(ptlrpc_init_client);
183 EXPORT_SYMBOL(ptlrpc_cleanup_client);
184 EXPORT_SYMBOL(ptlrpc_req_to_uuid);
185 EXPORT_SYMBOL(ptlrpc_uuid_to_connection);
186 EXPORT_SYMBOL(ptlrpc_queue_wait);
187 EXPORT_SYMBOL(ptlrpc_continue_req);
188 EXPORT_SYMBOL(ptlrpc_replay_req);
189 EXPORT_SYMBOL(ptlrpc_restart_req);
190 EXPORT_SYMBOL(ptlrpc_prep_req);
191 EXPORT_SYMBOL(ptlrpc_free_req);
192 EXPORT_SYMBOL(ptlrpc_req_finished);
193 EXPORT_SYMBOL(ptlrpc_prep_bulk);
194 EXPORT_SYMBOL(ptlrpc_free_bulk);
195 EXPORT_SYMBOL(ptlrpc_prep_bulk_page);
196 EXPORT_SYMBOL(ptlrpc_free_bulk_page);
197 EXPORT_SYMBOL(ptlrpc_check_status);
200 EXPORT_SYMBOL(ptlrpc_init_svc);
201 EXPORT_SYMBOL(ptlrpc_stop_all_threads);
202 EXPORT_SYMBOL(ptlrpc_start_thread);
203 EXPORT_SYMBOL(rpc_unregister_service);
206 EXPORT_SYMBOL(lustre_pack_msg);
207 EXPORT_SYMBOL(lustre_msg_size);
208 EXPORT_SYMBOL(lustre_unpack_msg);
209 EXPORT_SYMBOL(lustre_msg_buf);
211 MODULE_AUTHOR("Peter J. Braam <braam@clusterfs.com>");
212 MODULE_DESCRIPTION("Lustre Request Processor v1.0");
213 MODULE_LICENSE("GPL");
215 module_init(ptlrpc_init);
216 module_exit(ptlrpc_exit);