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,
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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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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.
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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;
54 LASSERT(mnt_get_devname(obd->u.mgs.mgs_vfsmnt));
57 return snprintf(page, count, "%s\n",
58 mnt_get_devname(obd->u.mgs.mgs_vfsmnt));
61 static int mgs_fs_seq_show(struct seq_file *seq, void *v)
63 struct obd_device *obd = seq->private;
64 struct mgs_obd *mgs = &obd->u.mgs;
65 cfs_list_t dentry_list;
66 struct l_linux_dirent *dirent, *n;
71 rc = class_dentry_readdir(obd, mgs->mgs_configs_dir,
72 mgs->mgs_vfsmnt, &dentry_list);
74 CERROR("Can't read config dir\n");
77 cfs_list_for_each_entry_safe(dirent, n, &dentry_list, lld_list) {
78 cfs_list_del(&dirent->lld_list);
79 len = strlen(dirent->lld_name);
80 if ((len > 7) && (strncmp(dirent->lld_name + len - 7, "-client",
82 seq_printf(seq, "%.*s\n", len - 7, dirent->lld_name);
84 OBD_FREE(dirent, sizeof(*dirent));
90 LPROC_SEQ_FOPS_RO(mgs_fs);
92 static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname,
93 struct sptlrpc_rule_set *rset)
95 struct sptlrpc_rule *r;
101 for (i = 0; i < rset->srs_nrule; i++) {
102 r = &rset->srs_rules[i];
104 if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
107 net = libcfs_net2str(r->sr_netid);
109 if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
112 snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
113 sptlrpc_part2name(r->sr_from),
114 sptlrpc_part2name(r->sr_to));
116 sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf));
117 seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname,
118 net, dirbuf, flvrbuf);
122 static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
124 struct obd_device *obd = seq->private;
128 rc = mgs_find_or_make_fsdb(obd, MGSSELF_NAME, &fsdb);
132 cfs_mutex_lock(&fsdb->fsdb_mutex);
133 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
134 cfs_mutex_unlock(&fsdb->fsdb_mutex);
138 LPROC_SEQ_FOPS_RO(mgsself_srpc);
140 int lproc_mgs_setup(struct obd_device *obd)
142 struct mgs_obd *mgs = &obd->u.mgs;
145 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
147 rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0600,
148 &mgsself_srpc_fops, obd);
150 mgs->mgs_proc_live = lprocfs_register("live", obd->obd_proc_entry,
152 if (IS_ERR(mgs->mgs_proc_live)) {
153 rc = PTR_ERR(mgs->mgs_proc_live);
154 CERROR("error %d setting up lprocfs for %s\n", rc, "live");
155 mgs->mgs_proc_live = NULL;
158 obd->obd_proc_exports_entry = lprocfs_register("exports",
161 if (IS_ERR(obd->obd_proc_exports_entry)) {
162 rc = PTR_ERR(obd->obd_proc_exports_entry);
163 CERROR("error %d setting up lprocfs for %s\n", rc, "exports");
164 obd->obd_proc_exports_entry = NULL;
170 int lproc_mgs_cleanup(struct obd_device *obd)
178 if (mgs->mgs_proc_live) {
179 /* Should be no live entries */
180 LASSERT(mgs->mgs_proc_live->subdir == NULL);
181 lprocfs_remove(&mgs->mgs_proc_live);
182 mgs->mgs_proc_live = NULL;
184 lprocfs_free_per_client_stats(obd);
185 lprocfs_free_obd_stats(obd);
186 lprocfs_free_md_stats(obd);
188 return lprocfs_obd_cleanup(obd);
191 static int mgs_live_seq_show(struct seq_file *seq, void *v)
193 struct fs_db *fsdb = seq->private;
194 struct mgs_tgt_srpc_conf *srpc_tgt;
197 cfs_mutex_lock(&fsdb->fsdb_mutex);
199 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
200 seq_printf(seq, "flags: %#lx gen: %d\n",
201 fsdb->fsdb_flags, fsdb->fsdb_gen);
202 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
203 if (cfs_test_bit(i, fsdb->fsdb_mdt_index_map))
204 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
205 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
206 if (cfs_test_bit(i, fsdb->fsdb_ost_index_map))
207 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
209 seq_printf(seq, "\nSecure RPC Config Rules:\n");
211 seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name,
212 PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no");
214 for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt;
215 srpc_tgt = srpc_tgt->mtsc_next) {
216 seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt,
217 &srpc_tgt->mtsc_rset);
219 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
221 lprocfs_rd_ir_state(seq, fsdb);
223 cfs_mutex_unlock(&fsdb->fsdb_mutex);
227 static ssize_t mgs_live_seq_write(struct file *file, const char *buf,
228 size_t len, loff_t *off)
230 struct seq_file *seq = file->private_data;
231 struct fs_db *fsdb = seq->private;
234 rc = lprocfs_wr_ir_state(file, buf, len, fsdb);
239 LPROC_SEQ_FOPS(mgs_live);
241 int lproc_mgs_add_live(struct obd_device *obd, struct fs_db *fsdb)
243 struct mgs_obd *mgs = &obd->u.mgs;
246 if (!mgs->mgs_proc_live)
248 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444,
249 &mgs_live_fops, fsdb);
254 int lproc_mgs_del_live(struct obd_device *obd, struct fs_db *fsdb)
256 struct mgs_obd *mgs = &obd->u.mgs;
258 if (!mgs->mgs_proc_live)
261 lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
265 struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
266 { "uuid", lprocfs_rd_uuid, 0, 0 },
267 { "fstype", lprocfs_rd_fstype, 0, 0 },
268 { "mntdev", lprocfs_mgs_rd_mntdev, 0, 0 },
269 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
270 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
271 { "evict_client", 0, lprocfs_wr_evict_client, 0 },
272 { "ir_timeout", lprocfs_rd_ir_timeout, lprocfs_wr_ir_timeout, 0 },
276 struct lprocfs_vars lprocfs_mgs_module_vars[] = {
280 void mgs_counter_incr(struct obd_export *exp, int opcode)
282 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
283 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
284 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
287 void mgs_stats_counter_init(struct lprocfs_stats *stats)
289 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
290 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
292 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
294 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
295 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");
298 void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
300 lvars->module_vars = lprocfs_mgs_module_vars;
301 lvars->obd_vars = lprocfs_mgs_obd_vars;