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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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).
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18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
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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, 2012, Intel Corporation.
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 mgs_fs_seq_show(struct seq_file *seq, void *v)
50 struct obd_device *obd = seq->private;
51 struct mgs_device *mgs;
53 struct mgs_direntry *dirent, *n;
59 LASSERT(obd->obd_lu_dev != NULL);
60 mgs = lu2mgs_dev(obd->obd_lu_dev);
62 rc = lu_env_init(&env, LCT_MG_THREAD);
66 rc = class_dentry_readdir(&env, mgs, &list);
68 CERROR("Can't read config dir\n");
71 cfs_list_for_each_entry_safe(dirent, n, &list, list) {
72 cfs_list_del(&dirent->list);
73 len = strlen(dirent->name);
75 strncmp(dirent->name + len - 7, "-client", len) == 0)
76 seq_printf(seq, "%.*s\n", len - 7, dirent->name);
77 mgs_direntry_free(dirent);
85 LPROC_SEQ_FOPS_RO(mgs_fs);
87 static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname,
88 struct sptlrpc_rule_set *rset)
90 struct sptlrpc_rule *r;
96 for (i = 0; i < rset->srs_nrule; i++) {
97 r = &rset->srs_rules[i];
99 if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
102 net = libcfs_net2str(r->sr_netid);
104 if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
107 snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
108 sptlrpc_part2name(r->sr_from),
109 sptlrpc_part2name(r->sr_to));
111 sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf));
112 seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname,
113 net, dirbuf, flvrbuf);
117 static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
119 struct obd_device *obd = seq->private;
120 struct mgs_device *mgs;
125 LASSERT(obd != NULL);
126 LASSERT(obd->obd_lu_dev != NULL);
127 mgs = lu2mgs_dev(obd->obd_lu_dev);
129 rc = lu_env_init(&env, LCT_MG_THREAD);
133 rc = mgs_find_or_make_fsdb(&env, mgs, MGSSELF_NAME, &fsdb);
137 mutex_lock(&fsdb->fsdb_mutex);
138 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
139 mutex_unlock(&fsdb->fsdb_mutex);
146 LPROC_SEQ_FOPS_RO(mgsself_srpc);
148 int lproc_mgs_setup(struct mgs_device *mgs, char *osd_name)
150 struct obd_device *obd = mgs->mgs_obd;
151 struct obd_device *osd_obd = mgs->mgs_bottom->dd_lu_dev.ld_obd;
152 int osd_len = strlen(osd_name) - strlen("-osd");
155 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
157 rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0600,
158 &mgsself_srpc_fops, obd);
160 mgs->mgs_proc_live = lprocfs_register("live", obd->obd_proc_entry,
162 if (IS_ERR(mgs->mgs_proc_live)) {
163 rc = PTR_ERR(mgs->mgs_proc_live);
164 CERROR("error %d setting up lprocfs for %s\n", rc, "live");
165 mgs->mgs_proc_live = NULL;
168 obd->obd_proc_exports_entry = lprocfs_register("exports",
171 if (IS_ERR(obd->obd_proc_exports_entry)) {
172 rc = PTR_ERR(obd->obd_proc_exports_entry);
173 CERROR("error %d setting up lprocfs for %s\n", rc, "exports");
174 obd->obd_proc_exports_entry = NULL;
177 mgs->mgs_proc_osd = lprocfs_add_symlink("osd",
180 osd_obd->obd_type->typ_name,
181 osd_len, /* Strip "-osd". */
183 if (mgs->mgs_proc_osd == NULL)
186 mgs->mgs_proc_mntdev = lprocfs_add_symlink("mntdev",
189 if (mgs->mgs_proc_mntdev == NULL)
192 mgs->mgs_proc_fstype = lprocfs_add_symlink("fstype",
195 if (mgs->mgs_proc_fstype == NULL)
201 int lproc_mgs_cleanup(struct mgs_device *mgs)
203 struct obd_device *obd = mgs->mgs_obd;
208 if (mgs->mgs_proc_osd != NULL)
209 lprocfs_remove(&mgs->mgs_proc_osd);
211 if (mgs->mgs_proc_fstype != NULL)
212 lprocfs_remove(&mgs->mgs_proc_fstype);
214 if (mgs->mgs_proc_mntdev)
215 lprocfs_remove(&mgs->mgs_proc_mntdev);
216 if (mgs->mgs_proc_live) {
217 /* Should be no live entries */
218 LASSERT(mgs->mgs_proc_live->subdir == NULL);
219 lprocfs_remove(&mgs->mgs_proc_live);
220 mgs->mgs_proc_live = NULL;
222 lprocfs_free_per_client_stats(obd);
223 lprocfs_free_obd_stats(obd);
224 lprocfs_free_md_stats(obd);
226 return lprocfs_obd_cleanup(obd);
229 static int mgs_live_seq_show(struct seq_file *seq, void *v)
231 struct fs_db *fsdb = seq->private;
232 struct mgs_tgt_srpc_conf *srpc_tgt;
235 mutex_lock(&fsdb->fsdb_mutex);
237 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
238 seq_printf(seq, "flags: %#lx gen: %d\n",
239 fsdb->fsdb_flags, fsdb->fsdb_gen);
240 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
241 if (test_bit(i, fsdb->fsdb_mdt_index_map))
242 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
243 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
244 if (test_bit(i, fsdb->fsdb_ost_index_map))
245 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
247 seq_printf(seq, "\nSecure RPC Config Rules:\n");
249 seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name,
250 PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no");
252 for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt;
253 srpc_tgt = srpc_tgt->mtsc_next) {
254 seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt,
255 &srpc_tgt->mtsc_rset);
257 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
259 lprocfs_rd_ir_state(seq, fsdb);
261 mutex_unlock(&fsdb->fsdb_mutex);
265 static ssize_t mgs_live_seq_write(struct file *file, const char *buf,
266 size_t len, loff_t *off)
268 struct seq_file *seq = file->private_data;
269 struct fs_db *fsdb = seq->private;
272 rc = lprocfs_wr_ir_state(file, buf, len, fsdb);
277 LPROC_SEQ_FOPS(mgs_live);
279 int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb)
283 if (!mgs->mgs_proc_live)
285 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0444,
286 &mgs_live_fops, fsdb);
291 int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb)
293 if (!mgs->mgs_proc_live)
296 lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
300 struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
301 { "uuid", lprocfs_rd_uuid, 0, 0 },
302 { "num_exports", lprocfs_rd_num_exports, 0, 0 },
303 { "hash_stats", lprocfs_obd_rd_hash, 0, 0 },
304 { "evict_client", 0, lprocfs_wr_evict_client, 0 },
305 { "ir_timeout", lprocfs_rd_ir_timeout, lprocfs_wr_ir_timeout, 0 },
309 struct lprocfs_vars lprocfs_mgs_module_vars[] = {
313 void mgs_counter_incr(struct obd_export *exp, int opcode)
315 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
316 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
317 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
320 void mgs_stats_counter_init(struct lprocfs_stats *stats)
322 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
323 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
325 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
327 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
328 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");
331 void lprocfs_mgs_init_vars(struct lprocfs_static_vars *lvars)
333 lvars->module_vars = lprocfs_mgs_module_vars;
334 lvars->obd_vars = lprocfs_mgs_obd_vars;