4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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.
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).
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
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
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 #define DEBUG_SUBSYSTEM S_CLASS
38 #include <linux/version.h>
39 #include <asm/statfs.h>
41 #include <obd_class.h>
42 #include <lprocfs_status.h>
43 #include <lustre_param.h>
44 #include "mgs_internal.h"
48 static int lprocfs_mgs_rd_mntdev(char *page, char **start, off_t off, int count,
51 struct obd_device *obd = (struct obd_device *)data;
55 /* will be fixed in the subsequent patch */
56 LASSERT(mnt_get_devname(obd->u.mgs.mgs_vfsmnt));
59 return snprintf(page, count, "%s\n",
60 mnt_get_devname(obd->u.mgs.mgs_vfsmnt));
66 static int mgs_fs_seq_show(struct seq_file *seq, void *v)
68 struct obd_device *obd = seq->private;
69 struct mgs_device *mgs;
70 cfs_list_t dentry_list;
71 struct l_linux_dirent *dirent, *n;
77 LASSERT(obd->obd_lu_dev != NULL);
78 mgs = lu2mgs_dev(obd->obd_lu_dev);
80 rc = lu_env_init(&env, LCT_MG_THREAD);
84 rc = class_dentry_readdir(&env, mgs, &dentry_list);
86 CERROR("Can't read config dir\n");
89 cfs_list_for_each_entry_safe(dirent, n, &dentry_list, lld_list) {
90 cfs_list_del(&dirent->lld_list);
91 len = strlen(dirent->lld_name);
92 if ((len > 7) && (strncmp(dirent->lld_name + len - 7, "-client",
94 seq_printf(seq, "%.*s\n", len - 7, dirent->lld_name);
96 OBD_FREE(dirent, sizeof(*dirent));
104 LPROC_SEQ_FOPS_RO(mgs_fs);
106 static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname,
107 struct sptlrpc_rule_set *rset)
109 struct sptlrpc_rule *r;
115 for (i = 0; i < rset->srs_nrule; i++) {
116 r = &rset->srs_rules[i];
118 if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
121 net = libcfs_net2str(r->sr_netid);
123 if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
126 snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
127 sptlrpc_part2name(r->sr_from),
128 sptlrpc_part2name(r->sr_to));
130 sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf));
131 seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname,
132 net, dirbuf, flvrbuf);
136 static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
138 struct obd_device *obd = seq->private;
139 struct mgs_device *mgs;
144 LASSERT(obd != NULL);
145 LASSERT(obd->obd_lu_dev != NULL);
146 mgs = lu2mgs_dev(obd->obd_lu_dev);
148 rc = lu_env_init(&env, LCT_MG_THREAD);
152 rc = mgs_find_or_make_fsdb(&env, mgs, MGSSELF_NAME, &fsdb);
156 cfs_mutex_lock(&fsdb->fsdb_mutex);
157 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
158 cfs_mutex_unlock(&fsdb->fsdb_mutex);
165 LPROC_SEQ_FOPS_RO(mgsself_srpc);
167 int lproc_mgs_setup(struct mgs_device *mgs)
169 struct obd_device *obd = mgs->mgs_obd;
172 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
174 rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0600,
175 &mgsself_srpc_fops, obd);
177 mgs->mgs_proc_live = lprocfs_register("live", obd->obd_proc_entry,
179 if (IS_ERR(mgs->mgs_proc_live)) {
180 rc = PTR_ERR(mgs->mgs_proc_live);
181 CERROR("error %d setting up lprocfs for %s\n", rc, "live");
182 mgs->mgs_proc_live = NULL;
185 obd->obd_proc_exports_entry = lprocfs_register("exports",
188 if (IS_ERR(obd->obd_proc_exports_entry)) {
189 rc = PTR_ERR(obd->obd_proc_exports_entry);
190 CERROR("error %d setting up lprocfs for %s\n", rc, "exports");
191 obd->obd_proc_exports_entry = NULL;
197 int lproc_mgs_cleanup(struct mgs_device *mgs)
199 struct obd_device *obd = mgs->mgs_obd;
204 if (mgs->mgs_proc_live) {
205 /* Should be no live entries */
206 LASSERT(mgs->mgs_proc_live->subdir == NULL);
207 lprocfs_remove(&mgs->mgs_proc_live);
208 mgs->mgs_proc_live = NULL;
210 lprocfs_free_per_client_stats(obd);
211 lprocfs_free_obd_stats(obd);
212 lprocfs_free_md_stats(obd);
214 return lprocfs_obd_cleanup(obd);
217 static int mgs_live_seq_show(struct seq_file *seq, void *v)
219 struct fs_db *fsdb = seq->private;
220 struct mgs_tgt_srpc_conf *srpc_tgt;
223 cfs_mutex_lock(&fsdb->fsdb_mutex);
225 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
226 seq_printf(seq, "flags: %#lx gen: %d\n",
227 fsdb->fsdb_flags, fsdb->fsdb_gen);
228 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
229 if (cfs_test_bit(i, fsdb->fsdb_mdt_index_map))
230 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
231 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
232 if (cfs_test_bit(i, fsdb->fsdb_ost_index_map))
233 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
235 seq_printf(seq, "\nSecure RPC Config Rules:\n");
237 seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name,
238 PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no");
240 for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt;
241 srpc_tgt = srpc_tgt->mtsc_next) {
242 seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt,
243 &srpc_tgt->mtsc_rset);
245 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
247 lprocfs_rd_ir_state(seq, fsdb);
249 cfs_mutex_unlock(&fsdb->fsdb_mutex);
253 static ssize_t mgs_live_seq_write(struct file *file, const char *buf,
254 size_t len, loff_t *off)
256 struct seq_file *seq = file->private_data;
257 struct fs_db *fsdb = seq->private;
260 rc = lprocfs_wr_ir_state(file, buf, len, fsdb);
265 LPROC_SEQ_FOPS(mgs_live);
267 int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb)
271 if (!mgs->mgs_proc_live)
273 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444,
274 &mgs_live_fops, fsdb);
279 int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb)
281 if (!mgs->mgs_proc_live)
284 lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
288 struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
289 { "uuid", lprocfs_rd_uuid, 0, 0 },
290 { "fstype", lprocfs_rd_fstype, 0, 0 },
291 { "mntdev", lprocfs_mgs_rd_mntdev, 0, 0 },
292 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
293 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
294 { "evict_client", 0, lprocfs_wr_evict_client, 0 },
295 { "ir_timeout", lprocfs_rd_ir_timeout, lprocfs_wr_ir_timeout, 0 },
299 struct lprocfs_vars lprocfs_mgs_module_vars[] = {
303 void mgs_counter_incr(struct obd_export *exp, int opcode)
305 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
306 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
307 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
310 void mgs_stats_counter_init(struct lprocfs_stats *stats)
312 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
313 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
315 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
317 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
318 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");
321 void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
323 lvars->module_vars = lprocfs_mgs_module_vars;
324 lvars->obd_vars = lprocfs_mgs_obd_vars;