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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 #define DEBUG_SUBSYSTEM S_CLASS
34 #include <linux/version.h>
35 #include <asm/statfs.h>
37 #include <obd_class.h>
38 #include <lprocfs_status.h>
39 #include <uapi/linux/lustre/lustre_param.h>
40 #include "mgs_internal.h"
44 static int mgs_fs_seq_show(struct seq_file *seq, void *v)
46 struct obd_device *obd = seq->private;
47 struct mgs_device *mgs;
48 struct list_head list;
49 struct mgs_direntry *dirent, *n;
56 LASSERT(obd->obd_lu_dev != NULL);
57 mgs = lu2mgs_dev(obd->obd_lu_dev);
59 rc = lu_env_init(&env, LCT_MG_THREAD);
63 rc = class_dentry_readdir(&env, mgs, &list);
67 list_for_each_entry_safe(dirent, n, &list, mde_list) {
68 list_del_init(&dirent->mde_list);
69 len = strlen(dirent->mde_name);
71 strncmp(dirent->mde_name + len - 7, "-client", len) == 0)
72 seq_printf(seq, "%.*s\n", len - 7, dirent->mde_name);
73 mgs_direntry_free(dirent);
81 LPROC_SEQ_FOPS_RO(mgs_fs);
83 static void seq_show_srpc_rules(struct seq_file *seq, const char *tgtname,
84 struct sptlrpc_rule_set *rset)
86 struct sptlrpc_rule *r;
89 char net_buf[LNET_NIDSTR_SIZE];
93 for (i = 0; i < rset->srs_nrule; i++) {
94 r = &rset->srs_rules[i];
96 if (r->sr_netid == LNET_NIDNET(LNET_NID_ANY))
99 net = libcfs_net2str_r(r->sr_netid, net_buf,
102 if (r->sr_from == LUSTRE_SP_ANY && r->sr_to == LUSTRE_SP_ANY)
105 snprintf(dirbuf, sizeof(dirbuf), ".%s2%s",
106 sptlrpc_part2name(r->sr_from),
107 sptlrpc_part2name(r->sr_to));
109 sptlrpc_flavor2name(&r->sr_flvr, flvrbuf, sizeof(flvrbuf));
110 seq_printf(seq, "%s.srpc.flavor.%s%s=%s\n", tgtname,
111 net, dirbuf, flvrbuf);
115 static int mgsself_srpc_seq_show(struct seq_file *seq, void *v)
117 struct obd_device *obd = seq->private;
118 struct mgs_device *mgs = lu2mgs_dev(obd->obd_lu_dev);
119 struct lu_target *tgt = &mgs->mgs_lut;
121 read_lock(&tgt->lut_sptlrpc_lock);
122 seq_show_srpc_rules(seq, MGSSELF_NAME, &tgt->lut_sptlrpc_rset);
123 read_unlock(&tgt->lut_sptlrpc_lock);
127 LPROC_SEQ_FOPS_RO(mgsself_srpc);
129 static int mgs_live_seq_show(struct seq_file *seq, void *v)
131 struct fs_db *fsdb = seq->private;
132 struct mgs_tgt_srpc_conf *srpc_tgt;
135 mutex_lock(&fsdb->fsdb_mutex);
137 seq_printf(seq, "fsname: %s\n", fsdb->fsdb_name);
138 seq_printf(seq, "flags: %#lx gen: %d\n",
139 fsdb->fsdb_flags, fsdb->fsdb_gen);
140 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
141 if (test_bit(i, fsdb->fsdb_mdt_index_map))
142 seq_printf(seq, "%s-MDT%04x\n", fsdb->fsdb_name, i);
143 for (i = 0; i < INDEX_MAP_SIZE * 8; i++)
144 if (test_bit(i, fsdb->fsdb_ost_index_map))
145 seq_printf(seq, "%s-OST%04x\n", fsdb->fsdb_name, i);
147 seq_printf(seq, "\nSecure RPC Config Rules:\n");
149 seq_printf(seq, "%s.%s=%s\n", fsdb->fsdb_name,
150 PARAM_SRPC_UDESC, fsdb->fsdb_srpc_fl_udesc ? "yes" : "no");
152 for (srpc_tgt = fsdb->fsdb_srpc_tgt; srpc_tgt;
153 srpc_tgt = srpc_tgt->mtsc_next) {
154 seq_show_srpc_rules(seq, srpc_tgt->mtsc_tgt,
155 &srpc_tgt->mtsc_rset);
157 seq_show_srpc_rules(seq, fsdb->fsdb_name, &fsdb->fsdb_srpc_gen);
159 lprocfs_rd_ir_state(seq, fsdb);
161 mutex_unlock(&fsdb->fsdb_mutex);
165 static ssize_t mgs_live_seq_write(struct file *file, const char __user *buf,
166 size_t len, loff_t *off)
168 struct seq_file *seq = file->private_data;
169 struct fs_db *fsdb = seq->private;
172 rc = lprocfs_wr_ir_state(file, buf, len, fsdb);
177 LPROC_SEQ_FOPS(mgs_live);
179 int lproc_mgs_add_live(struct mgs_device *mgs, struct fs_db *fsdb)
183 if (!mgs->mgs_proc_live || fsdb->fsdb_has_lproc_entry)
186 rc = lprocfs_seq_create(mgs->mgs_proc_live, fsdb->fsdb_name, 0644,
187 &mgs_live_fops, fsdb);
189 fsdb->fsdb_has_lproc_entry = 1;
194 int lproc_mgs_del_live(struct mgs_device *mgs, struct fs_db *fsdb)
196 if (!mgs->mgs_proc_live || !fsdb->fsdb_has_lproc_entry)
199 /* didn't create the proc file for MGSSELF_NAME */
200 if (!test_bit(FSDB_MGS_SELF, &fsdb->fsdb_flags))
201 lprocfs_remove_proc_entry(fsdb->fsdb_name, mgs->mgs_proc_live);
205 LPROC_SEQ_FOPS_RO_TYPE(mgs, num_exports);
206 LPROC_SEQ_FOPS_RO_TYPE(mgs, hash);
207 LPROC_SEQ_FOPS_WR_ONLY(mgs, evict_client);
208 LPROC_SEQ_FOPS_RW_TYPE(mgs, ir_timeout);
210 static struct lprocfs_vars lprocfs_mgs_obd_vars[] = {
211 { .name = "num_exports",
212 .fops = &mgs_num_exports_fops },
213 { .name = "hash_stats",
214 .fops = &mgs_hash_fops },
215 { .name = "evict_client",
216 .fops = &mgs_evict_client_fops },
217 { .name = "ir_timeout",
218 .fops = &mgs_ir_timeout_fops },
222 int lproc_mgs_setup(struct mgs_device *mgs, const char *osd_name)
224 struct obd_device *obd = mgs->mgs_obd;
225 struct obd_device *osd_obd = mgs->mgs_bottom->dd_lu_dev.ld_obd;
226 int osd_len = strlen(osd_name) - strlen("-osd");
229 obd->obd_vars = lprocfs_mgs_obd_vars;
230 rc = lprocfs_kset_register(obd, &mgs->mgs_kset);
234 rc = lprocfs_obd_seq_create(obd, "filesystems", 0444,
239 rc = lprocfs_obd_seq_create(obd, "srpc_rules", 0400,
240 &mgsself_srpc_fops, obd);
244 mgs->mgs_proc_live = lprocfs_register("live", obd->obd_proc_entry,
246 if (IS_ERR(mgs->mgs_proc_live)) {
247 rc = PTR_ERR(mgs->mgs_proc_live);
248 mgs->mgs_proc_live = NULL;
252 obd->obd_proc_exports_entry = lprocfs_register("exports",
255 if (IS_ERR(obd->obd_proc_exports_entry)) {
256 rc = PTR_ERR(obd->obd_proc_exports_entry);
257 obd->obd_proc_exports_entry = NULL;
261 mgs->mgs_proc_osd = lprocfs_add_symlink("osd",
264 osd_obd->obd_type->typ_name,
265 osd_len, /* Strip "-osd". */
267 if (mgs->mgs_proc_osd == NULL)
268 GOTO(out, rc = -ENOMEM);
270 mgs->mgs_proc_mntdev = lprocfs_add_symlink("mntdev",
273 if (mgs->mgs_proc_mntdev == NULL)
274 GOTO(out, rc = -ENOMEM);
276 mgs->mgs_proc_fstype = lprocfs_add_symlink("fstype",
279 if (mgs->mgs_proc_fstype == NULL)
280 GOTO(out, rc = -ENOMEM);
284 lproc_mgs_cleanup(mgs);
289 void lproc_mgs_cleanup(struct mgs_device *mgs)
291 struct obd_device *obd = mgs->mgs_obd;
296 if (mgs->mgs_proc_osd != NULL)
297 lprocfs_remove(&mgs->mgs_proc_osd);
299 if (mgs->mgs_proc_fstype != NULL)
300 lprocfs_remove(&mgs->mgs_proc_fstype);
302 if (mgs->mgs_proc_mntdev != NULL)
303 lprocfs_remove(&mgs->mgs_proc_mntdev);
305 if (mgs->mgs_proc_live != NULL) {
306 /* Should be no live entries */
307 lprocfs_remove(&mgs->mgs_proc_live);
308 mgs->mgs_proc_live = NULL;
311 lprocfs_free_per_client_stats(obd);
312 lprocfs_kset_unregister(obd, mgs->mgs_kset);
313 lprocfs_free_obd_stats(obd);
314 lprocfs_free_md_stats(obd);
317 void mgs_counter_incr(struct obd_export *exp, int opcode)
319 lprocfs_counter_incr(exp->exp_obd->obd_stats, opcode);
320 if (exp->exp_nid_stats && exp->exp_nid_stats->nid_stats != NULL)
321 lprocfs_counter_incr(exp->exp_nid_stats->nid_stats, opcode);
324 void mgs_stats_counter_init(struct lprocfs_stats *stats)
326 lprocfs_counter_init(stats, LPROC_MGS_CONNECT, 0, "connect", "reqs");
327 lprocfs_counter_init(stats, LPROC_MGS_DISCONNECT, 0, "disconnect",
329 lprocfs_counter_init(stats, LPROC_MGS_EXCEPTION, 0, "exception",
331 lprocfs_counter_init(stats, LPROC_MGS_TARGET_REG, 0, "tgtreg", "reqs");
332 lprocfs_counter_init(stats, LPROC_MGS_TARGET_DEL, 0, "tgtdel", "reqs");