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.
31 * This file is part of Lustre, http://www.lustre.org/
32 * Lustre is a trademark of Sun Microsystems, Inc.
34 * lustre/ptlrpc/sec_lproc.c
36 * Author: Eric Mei <ericm@clusterfs.com>
39 #define DEBUG_SUBSYSTEM S_SEC
41 #include <libcfs/libcfs.h>
43 #include <liblustre.h>
44 #include <libcfs/list.h>
46 #include <linux/crypto.h>
50 #include <obd_class.h>
51 #include <obd_support.h>
52 #include <lustre_net.h>
53 #include <lustre_import.h>
54 #include <lustre_dlm.h>
55 #include <lustre_sec.h>
57 #include "ptlrpc_internal.h"
61 struct proc_dir_entry *sptlrpc_proc_root = NULL;
62 EXPORT_SYMBOL(sptlrpc_proc_root);
64 char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
68 if (flags & PTLRPC_SEC_FL_REVERSE)
69 strncat(buf, "reverse,", bufsize);
70 if (flags & PTLRPC_SEC_FL_ROOTONLY)
71 strncat(buf, "rootonly,", bufsize);
72 if (flags & PTLRPC_SEC_FL_UDESC)
73 strncat(buf, "udesc,", bufsize);
74 if (flags & PTLRPC_SEC_FL_BULK)
75 strncat(buf, "bulk,", bufsize);
77 strncat(buf, "-,", bufsize);
79 buf[strlen(buf) - 1] = '\0';
83 static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
85 struct obd_device *dev = seq->private;
86 struct client_obd *cli = &dev->u.cli;
87 struct ptlrpc_sec *sec = NULL;
90 LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
91 strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
92 strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
95 sec = sptlrpc_import_sec_ref(cli->cl_import);
99 sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str));
101 seq_printf(seq, "rpc flavor: %s\n",
102 sptlrpc_flavor2name_base(sec->ps_flvr.sf_rpc));
103 seq_printf(seq, "bulk flavor: %s\n",
104 sptlrpc_flavor2name_bulk(&sec->ps_flvr, str, sizeof(str)));
105 seq_printf(seq, "flags: %s\n",
106 sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str)));
107 seq_printf(seq, "id: %d\n", sec->ps_id);
108 seq_printf(seq, "refcount: %d\n",
109 cfs_atomic_read(&sec->ps_refcount));
110 seq_printf(seq, "nctx: %d\n", cfs_atomic_read(&sec->ps_nctx));
111 seq_printf(seq, "gc internal %ld\n", sec->ps_gc_interval);
112 seq_printf(seq, "gc next %ld\n",
113 sec->ps_gc_interval ?
114 sec->ps_gc_next - cfs_time_current_sec() : 0);
116 sptlrpc_sec_put(sec);
120 LPROC_SEQ_FOPS_RO(sptlrpc_info_lprocfs);
122 static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
124 struct obd_device *dev = seq->private;
125 struct client_obd *cli = &dev->u.cli;
126 struct ptlrpc_sec *sec = NULL;
128 LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
129 strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
130 strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
133 sec = sptlrpc_import_sec_ref(cli->cl_import);
137 if (sec->ps_policy->sp_cops->display)
138 sec->ps_policy->sp_cops->display(sec, seq);
140 sptlrpc_sec_put(sec);
144 LPROC_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
146 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
150 if (strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
151 strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
152 strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) != 0) {
153 CERROR("can't register lproc for obd type %s\n",
154 dev->obd_type->typ_name);
158 rc = lprocfs_obd_seq_create(dev, "srpc_info", 0444,
159 &sptlrpc_info_lprocfs_fops, dev);
161 CERROR("create proc entry srpc_info for %s: %d\n",
166 rc = lprocfs_obd_seq_create(dev, "srpc_contexts", 0444,
167 &sptlrpc_ctxs_lprocfs_fops, dev);
169 CERROR("create proc entry srpc_contexts for %s: %d\n",
176 EXPORT_SYMBOL(sptlrpc_lprocfs_cliobd_attach);
178 static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
179 { "encrypt_page_pools", sptlrpc_proc_read_enc_pool, NULL, NULL },
183 int sptlrpc_lproc_init(void)
187 LASSERT(sptlrpc_proc_root == NULL);
189 sptlrpc_proc_root = lprocfs_register("sptlrpc", proc_lustre_root,
190 sptlrpc_lprocfs_vars, NULL);
191 if (IS_ERR(sptlrpc_proc_root)) {
192 rc = PTR_ERR(sptlrpc_proc_root);
193 sptlrpc_proc_root = NULL;
199 void sptlrpc_lproc_fini(void)
201 if (sptlrpc_proc_root) {
202 lprocfs_remove(&sptlrpc_proc_root);
203 sptlrpc_proc_root = NULL;
207 #else /* !__KERNEL__ */
209 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
214 int sptlrpc_lproc_init(void)
219 void sptlrpc_lproc_fini(void)