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7 * it under the terms of the GNU General Public License version 2 only,
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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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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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>
42 #define DEBUG_SUBSYSTEM S_SEC
44 #include <libcfs/libcfs.h>
46 #include <liblustre.h>
47 #include <libcfs/list.h>
49 #include <linux/crypto.h>
53 #include <obd_class.h>
54 #include <obd_support.h>
55 #include <lustre_net.h>
56 #include <lustre_import.h>
57 #include <lustre_dlm.h>
58 #include <lustre_sec.h>
60 #include "ptlrpc_internal.h"
64 struct proc_dir_entry *sptlrpc_proc_root = NULL;
65 EXPORT_SYMBOL(sptlrpc_proc_root);
67 char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
71 if (flags & PTLRPC_SEC_FL_REVERSE)
72 strncat(buf, "reverse,", bufsize);
73 if (flags & PTLRPC_SEC_FL_ROOTONLY)
74 strncat(buf, "rootonly,", bufsize);
75 if (flags & PTLRPC_SEC_FL_UDESC)
76 strncat(buf, "udesc,", bufsize);
77 if (flags & PTLRPC_SEC_FL_BULK)
78 strncat(buf, "bulk,", bufsize);
80 strncat(buf, "-,", bufsize);
82 buf[strlen(buf) - 1] = '\0';
86 static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
88 struct obd_device *dev = seq->private;
89 struct client_obd *cli = &dev->u.cli;
90 struct ptlrpc_sec *sec = NULL;
93 LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
94 strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
95 strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
98 sec = sptlrpc_import_sec_ref(cli->cl_import);
102 sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str));
104 seq_printf(seq, "rpc flavor: %s\n",
105 sptlrpc_flavor2name_base(sec->ps_flvr.sf_rpc));
106 seq_printf(seq, "bulk flavor: %s\n",
107 sptlrpc_flavor2name_bulk(&sec->ps_flvr, str, sizeof(str)));
108 seq_printf(seq, "flags: %s\n",
109 sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str)));
110 seq_printf(seq, "id: %d\n", sec->ps_id);
111 seq_printf(seq, "refcount: %d\n",
112 cfs_atomic_read(&sec->ps_refcount));
113 seq_printf(seq, "nctx: %d\n", cfs_atomic_read(&sec->ps_nctx));
114 seq_printf(seq, "gc internal %ld\n", sec->ps_gc_interval);
115 seq_printf(seq, "gc next %ld\n",
116 sec->ps_gc_interval ?
117 sec->ps_gc_next - cfs_time_current_sec() : 0);
119 sptlrpc_sec_put(sec);
123 LPROC_SEQ_FOPS_RO(sptlrpc_info_lprocfs);
125 static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
127 struct obd_device *dev = seq->private;
128 struct client_obd *cli = &dev->u.cli;
129 struct ptlrpc_sec *sec = NULL;
131 LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
132 strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
133 strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
136 sec = sptlrpc_import_sec_ref(cli->cl_import);
140 if (sec->ps_policy->sp_cops->display)
141 sec->ps_policy->sp_cops->display(sec, seq);
143 sptlrpc_sec_put(sec);
147 LPROC_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
149 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
153 if (strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
154 strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
155 strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) != 0) {
156 CERROR("can't register lproc for obd type %s\n",
157 dev->obd_type->typ_name);
161 rc = lprocfs_obd_seq_create(dev, "srpc_info", 0444,
162 &sptlrpc_info_lprocfs_fops, dev);
164 CERROR("create proc entry srpc_info for %s: %d\n",
169 rc = lprocfs_obd_seq_create(dev, "srpc_contexts", 0444,
170 &sptlrpc_ctxs_lprocfs_fops, dev);
172 CERROR("create proc entry srpc_contexts for %s: %d\n",
179 EXPORT_SYMBOL(sptlrpc_lprocfs_cliobd_attach);
181 static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
182 { "encrypt_page_pools", sptlrpc_proc_read_enc_pool, NULL, NULL },
186 int sptlrpc_lproc_init(void)
190 LASSERT(sptlrpc_proc_root == NULL);
192 sptlrpc_proc_root = lprocfs_register("sptlrpc", proc_lustre_root,
193 sptlrpc_lprocfs_vars, NULL);
194 if (IS_ERR(sptlrpc_proc_root)) {
195 rc = PTR_ERR(sptlrpc_proc_root);
196 sptlrpc_proc_root = NULL;
202 void sptlrpc_lproc_fini(void)
204 if (sptlrpc_proc_root) {
205 lprocfs_remove(&sptlrpc_proc_root);
206 sptlrpc_proc_root = NULL;
210 #else /* !__KERNEL__ */
212 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
217 int sptlrpc_lproc_init(void)
222 void sptlrpc_lproc_fini(void)