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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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33 * This file is part of Lustre, http://www.lustre.org/
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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;
71 struct mgs_direntry *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, &list);
86 CERROR("Can't read config dir\n");
89 cfs_list_for_each_entry_safe(dirent, n, &list, list) {
90 cfs_list_del(&dirent->list);
91 len = strlen(dirent->name);
93 strncmp(dirent->name + len - 7, "-client", len) == 0)
94 seq_printf(seq, "%.*s\n", len - 7, dirent->name);
95 mgs_direntry_free(dirent);
103 LPROC_SEQ_FOPS_RO(mgs_fs);
105 static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname,
106 struct sptlrpc_rule_set *rset)
108 struct sptlrpc_rule *r;
114 for (i = 0; i < rset->srs_nrule; i++) {
115 r = &rset->srs_rules[i];
117 if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
120 net = libcfs_net2str(r->sr_netid);
122 if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
125 snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
126 sptlrpc_part2name(r->sr_from),
127 sptlrpc_part2name(r->sr_to));
129 sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf));
130 seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname,
131 net, dirbuf, flvrbuf);
135 static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
137 struct obd_device *obd = seq->private;
138 struct mgs_device *mgs;
143 LASSERT(obd != NULL);
144 LASSERT(obd->obd_lu_dev != NULL);
145 mgs = lu2mgs_dev(obd->obd_lu_dev);
147 rc = lu_env_init(&env, LCT_MG_THREAD);
151 rc = mgs_find_or_make_fsdb(&env, mgs, MGSSELF_NAME, &fsdb);
155 cfs_mutex_lock(&fsdb->fsdb_mutex);
156 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
157 cfs_mutex_unlock(&fsdb->fsdb_mutex);
164 LPROC_SEQ_FOPS_RO(mgsself_srpc);
166 int lproc_mgs_setup(struct mgs_device *mgs)
168 struct obd_device *obd = mgs->mgs_obd;
171 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
173 rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0600,
174 &mgsself_srpc_fops, obd);
176 mgs->mgs_proc_live = lprocfs_register("live", obd->obd_proc_entry,
178 if (IS_ERR(mgs->mgs_proc_live)) {
179 rc = PTR_ERR(mgs->mgs_proc_live);
180 CERROR("error %d setting up lprocfs for %s\n", rc, "live");
181 mgs->mgs_proc_live = NULL;
184 obd->obd_proc_exports_entry = lprocfs_register("exports",
187 if (IS_ERR(obd->obd_proc_exports_entry)) {
188 rc = PTR_ERR(obd->obd_proc_exports_entry);
189 CERROR("error %d setting up lprocfs for %s\n", rc, "exports");
190 obd->obd_proc_exports_entry = NULL;
196 int lproc_mgs_cleanup(struct mgs_device *mgs)
198 struct obd_device *obd = mgs->mgs_obd;
203 if (mgs->mgs_proc_live) {
204 /* Should be no live entries */
205 LASSERT(mgs->mgs_proc_live->subdir == NULL);
206 lprocfs_remove(&mgs->mgs_proc_live);
207 mgs->mgs_proc_live = NULL;
209 lprocfs_free_per_client_stats(obd);
210 lprocfs_free_obd_stats(obd);
211 lprocfs_free_md_stats(obd);
213 return lprocfs_obd_cleanup(obd);
216 static int mgs_live_seq_show(struct seq_file *seq, void *v)
218 struct fs_db *fsdb = seq->private;
219 struct mgs_tgt_srpc_conf *srpc_tgt;
222 cfs_mutex_lock(&fsdb->fsdb_mutex);
224 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
225 seq_printf(seq, "flags: %#lx gen: %d\n",
226 fsdb->fsdb_flags, fsdb->fsdb_gen);
227 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
228 if (cfs_test_bit(i, fsdb->fsdb_mdt_index_map))
229 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
230 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
231 if (cfs_test_bit(i, fsdb->fsdb_ost_index_map))
232 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
234 seq_printf(seq, "\nSecure RPC Config Rules:\n");
236 seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name,
237 PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no");
239 for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt;
240 srpc_tgt = srpc_tgt->mtsc_next) {
241 seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt,
242 &srpc_tgt->mtsc_rset);
244 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
246 lprocfs_rd_ir_state(seq, fsdb);
248 cfs_mutex_unlock(&fsdb->fsdb_mutex);
252 static ssize_t mgs_live_seq_write(struct file *file, const char *buf,
253 size_t len, loff_t *off)
255 struct seq_file *seq = file->private_data;
256 struct fs_db *fsdb = seq->private;
259 rc = lprocfs_wr_ir_state(file, buf, len, fsdb);
264 LPROC_SEQ_FOPS(mgs_live);
266 int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb)
270 if (!mgs->mgs_proc_live)
272 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444,
273 &mgs_live_fops, fsdb);
278 int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb)
280 if (!mgs->mgs_proc_live)
283 lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
287 struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
288 { "uuid", lprocfs_rd_uuid, 0, 0 },
289 { "fstype", lprocfs_rd_fstype, 0, 0 },
290 { "mntdev", lprocfs_mgs_rd_mntdev, 0, 0 },
291 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
292 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
293 { "evict_client", 0, lprocfs_wr_evict_client, 0 },
294 { "ir_timeout", lprocfs_rd_ir_timeout, lprocfs_wr_ir_timeout, 0 },
298 struct lprocfs_vars lprocfs_mgs_module_vars[] = {
302 void mgs_counter_incr(struct obd_export *exp, int opcode)
304 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
305 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
306 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
309 void mgs_stats_counter_init(struct lprocfs_stats *stats)
311 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
312 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
314 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
316 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
317 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");
320 void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
322 lvars->module_vars = lprocfs_mgs_module_vars;
323 lvars->obd_vars = lprocfs_mgs_obd_vars;