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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).
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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) 2014, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/ptlrpc/sec_lproc.c
34 * Author: Eric Mei <ericm@clusterfs.com>
37 #define DEBUG_SUBSYSTEM S_SEC
39 #include <libcfs/libcfs.h>
40 #include <linux/crypto.h>
43 #include <obd_class.h>
44 #include <obd_support.h>
45 #include <lustre_net.h>
46 #include <lustre_import.h>
47 #include <lustre_dlm.h>
48 #include <lustre_sec.h>
50 #include "ptlrpc_internal.h"
52 static char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
56 if (flags & PTLRPC_SEC_FL_REVERSE)
57 strlcat(buf, "reverse,", bufsize);
58 if (flags & PTLRPC_SEC_FL_ROOTONLY)
59 strlcat(buf, "rootonly,", bufsize);
60 if (flags & PTLRPC_SEC_FL_UDESC)
61 strlcat(buf, "udesc,", bufsize);
62 if (flags & PTLRPC_SEC_FL_BULK)
63 strlcat(buf, "bulk,", bufsize);
65 strlcat(buf, "-,", bufsize);
70 static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
72 struct obd_device *obd = seq->private;
73 struct client_obd *cli = &obd->u.cli;
74 struct ptlrpc_sec *sec = NULL;
77 LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
78 strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
79 strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) == 0 ||
80 strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) == 0 ||
81 strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) == 0);
84 sec = sptlrpc_import_sec_ref(cli->cl_import);
88 sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str));
90 seq_printf(seq, "rpc flavor: %s\n",
91 sptlrpc_flavor2name_base(sec->ps_flvr.sf_rpc));
92 seq_printf(seq, "bulk flavor: %s\n",
93 sptlrpc_flavor2name_bulk(&sec->ps_flvr, str, sizeof(str)));
94 seq_printf(seq, "flags: %s\n",
95 sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str)));
96 seq_printf(seq, "id: %d\n", sec->ps_id);
97 seq_printf(seq, "refcount: %d\n",
98 atomic_read(&sec->ps_refcount));
99 seq_printf(seq, "nctx: %d\n", atomic_read(&sec->ps_nctx));
100 seq_printf(seq, "gc internal %lld\n", sec->ps_gc_interval);
101 seq_printf(seq, "gc next %lld\n",
102 sec->ps_gc_interval ?
103 (s64)(sec->ps_gc_next - ktime_get_real_seconds()) : 0ll);
105 sptlrpc_sec_put(sec);
110 LDEBUGFS_SEQ_FOPS_RO(sptlrpc_info_lprocfs);
112 static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
114 struct obd_device *obd = seq->private;
115 struct client_obd *cli = &obd->u.cli;
116 struct ptlrpc_sec *sec = NULL;
118 LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
119 strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
120 strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) == 0 ||
121 strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) == 0 ||
122 strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) == 0);
125 sec = sptlrpc_import_sec_ref(cli->cl_import);
129 if (sec->ps_policy->sp_cops->display)
130 sec->ps_policy->sp_cops->display(sec, seq);
132 sptlrpc_sec_put(sec);
137 LDEBUGFS_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
139 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
140 static ssize_t sepol_seq_write_old(struct obd_device *obd,
141 const char __user *buffer,
144 struct client_obd *cli = &obd->u.cli;
145 struct obd_import *imp = cli->cl_import;
146 struct sepol_downcall_data_old *param;
147 int size = sizeof(*param);
153 CERROR("%s: invalid data count = %lu, size = %d: rc = %d\n",
154 obd->obd_name, (unsigned long) count, size, rc);
158 OBD_ALLOC(param, size);
162 if (copy_from_user(param, buffer, size)) {
164 CERROR("%s: bad sepol data: rc = %d\n", obd->obd_name, rc);
168 if (param->sdd_magic != SEPOL_DOWNCALL_MAGIC_OLD) {
170 CERROR("%s: sepol downcall bad params: rc = %d\n",
175 if (param->sdd_sepol_len == 0 ||
176 param->sdd_sepol_len >= sizeof(imp->imp_sec->ps_sepol)) {
178 CERROR("%s: invalid sepol data returned: rc = %d\n",
182 len = param->sdd_sepol_len; /* save sdd_sepol_len */
183 OBD_FREE(param, size);
184 size = offsetof(struct sepol_downcall_data_old,
189 CERROR("%s: invalid sepol count = %lu, size = %d: rc = %d\n",
190 obd->obd_name, (unsigned long) count, size, rc);
194 /* alloc again with real size */
195 OBD_ALLOC(param, size);
199 if (copy_from_user(param, buffer, size)) {
201 CERROR("%s: cannot copy sepol data: rc = %d\n",
206 spin_lock(&imp->imp_sec->ps_lock);
207 snprintf(imp->imp_sec->ps_sepol, param->sdd_sepol_len + 1, "%s",
209 imp->imp_sec->ps_sepol_mtime = ktime_set(param->sdd_sepol_mtime, 0);
210 spin_unlock(&imp->imp_sec->ps_lock);
214 OBD_FREE(param, size);
216 return rc ? rc : count;
221 ldebugfs_sptlrpc_sepol_seq_write(struct file *file, const char __user *buffer,
222 size_t count, void *data)
224 struct seq_file *seq = file->private_data;
225 struct obd_device *obd = seq->private;
226 struct client_obd *cli = &obd->u.cli;
227 struct obd_import *imp = cli->cl_import;
228 struct sepol_downcall_data *param;
230 int size = sizeof(magic);
236 CERROR("%s: invalid buffer count = %lu, size = %d: rc = %d\n",
237 obd->obd_name, (unsigned long) count, size, rc);
241 if (copy_from_user(&magic, buffer, size)) {
243 CERROR("%s: bad sepol magic: rc = %d\n", obd->obd_name, rc);
247 if (magic != SEPOL_DOWNCALL_MAGIC) {
248 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 16, 53, 0)
249 if (magic == SEPOL_DOWNCALL_MAGIC_OLD) {
250 return sepol_seq_write_old(obd, buffer, count);
254 CERROR("%s: sepol downcall bad magic '%#08x': rc = %d\n",
255 obd->obd_name, magic, rc);
259 size = sizeof(*param);
262 CERROR("%s: invalid data count = %lu, size = %d: rc = %d\n",
263 obd->obd_name, (unsigned long) count, size, rc);
267 OBD_ALLOC(param, size);
271 if (copy_from_user(param, buffer, size)) {
273 CERROR("%s: bad sepol data: rc = %d\n", obd->obd_name, rc);
277 if (param->sdd_sepol_len == 0 ||
278 param->sdd_sepol_len >= sizeof(imp->imp_sec->ps_sepol)) {
280 CERROR("%s: invalid sepol data returned: rc = %d\n",
284 len = param->sdd_sepol_len; /* save sdd_sepol_len */
285 OBD_FREE(param, size);
286 size = offsetof(struct sepol_downcall_data,
289 /* alloc again with real size */
290 OBD_ALLOC(param, size);
294 if (copy_from_user(param, buffer, size)) {
296 CERROR("%s: cannot copy sepol data: rc = %d\n",
301 spin_lock(&imp->imp_sec->ps_lock);
302 snprintf(imp->imp_sec->ps_sepol, param->sdd_sepol_len + 1, "%s",
304 imp->imp_sec->ps_sepol_mtime = ktime_set(param->sdd_sepol_mtime, 0);
305 spin_unlock(&imp->imp_sec->ps_lock);
309 OBD_FREE(param, size);
311 return rc ? rc : count;
313 LDEBUGFS_FOPS_WR_ONLY(srpc, sptlrpc_sepol);
315 int sptlrpc_lprocfs_cliobd_attach(struct obd_device *obd)
317 if (strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
318 strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
319 strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) != 0 &&
320 strcmp(obd->obd_type->typ_name, LUSTRE_LWP_NAME) != 0 &&
321 strcmp(obd->obd_type->typ_name, LUSTRE_OSP_NAME) != 0) {
322 CERROR("can't register lproc for obd type %s\n",
323 obd->obd_type->typ_name);
327 debugfs_create_file("srpc_info", 0444, obd->obd_debugfs_entry, obd,
328 &sptlrpc_info_lprocfs_fops);
330 debugfs_create_file("srpc_contexts", 0444, obd->obd_debugfs_entry, obd,
331 &sptlrpc_ctxs_lprocfs_fops);
333 debugfs_create_file("srpc_sepol", 0200, obd->obd_debugfs_entry, obd,
334 &srpc_sptlrpc_sepol_fops);
338 EXPORT_SYMBOL(sptlrpc_lprocfs_cliobd_attach);
340 LDEBUGFS_SEQ_FOPS_RO(sptlrpc_proc_enc_pool);
342 static struct ldebugfs_vars sptlrpc_lprocfs_vars[] = {
343 { .name = "encrypt_page_pools",
344 .fops = &sptlrpc_proc_enc_pool_fops },
348 struct dentry *sptlrpc_debugfs_dir;
349 EXPORT_SYMBOL(sptlrpc_debugfs_dir);
351 struct proc_dir_entry *sptlrpc_lprocfs_dir;
352 EXPORT_SYMBOL(sptlrpc_lprocfs_dir);
354 int sptlrpc_lproc_init(void)
358 LASSERT(sptlrpc_debugfs_dir == NULL);
360 sptlrpc_debugfs_dir = debugfs_create_dir("sptlrpc",
361 debugfs_lustre_root);
362 ldebugfs_add_vars(sptlrpc_debugfs_dir, sptlrpc_lprocfs_vars, NULL);
364 sptlrpc_lprocfs_dir = lprocfs_register("sptlrpc", proc_lustre_root,
366 if (IS_ERR_OR_NULL(sptlrpc_lprocfs_dir)) {
367 rc = PTR_ERR(sptlrpc_lprocfs_dir);
368 rc = sptlrpc_lprocfs_dir ? PTR_ERR(sptlrpc_lprocfs_dir)
370 sptlrpc_lprocfs_dir = NULL;
375 void sptlrpc_lproc_fini(void)
377 debugfs_remove_recursive(sptlrpc_debugfs_dir);
378 sptlrpc_debugfs_dir = NULL;
380 if (!IS_ERR_OR_NULL(sptlrpc_lprocfs_dir))
381 lprocfs_remove(&sptlrpc_lprocfs_dir);