-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2006 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2014, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/ptlrpc/sec_lproc.c
+ *
+ * Author: Eric Mei <ericm@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_SEC
#include <libcfs/libcfs.h>
-#ifndef __KERNEL__
-#include <liblustre.h>
-#include <libcfs/list.h>
-#else
#include <linux/crypto.h>
-#endif
#include <obd.h>
#include <obd_class.h>
#include "ptlrpc_internal.h"
-#ifdef __KERNEL__
+static char *sec_flags2str(unsigned long flags, char *buf, int bufsize)
+{
+ buf[0] = '\0';
+
+ if (flags & PTLRPC_SEC_FL_REVERSE)
+ strlcat(buf, "reverse,", bufsize);
+ if (flags & PTLRPC_SEC_FL_ROOTONLY)
+ strlcat(buf, "rootonly,", bufsize);
+ if (flags & PTLRPC_SEC_FL_UDESC)
+ strlcat(buf, "udesc,", bufsize);
+ if (flags & PTLRPC_SEC_FL_BULK)
+ strlcat(buf, "bulk,", bufsize);
+ if (buf[0] == '\0')
+ strlcat(buf, "-,", bufsize);
-struct proc_dir_entry *sptlrpc_proc_root = NULL;
-EXPORT_SYMBOL(sptlrpc_proc_root);
+ return buf;
+}
-void sec_flags2str(unsigned long flags, char *buf, int bufsize)
+static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
{
- buf[0] = '\0';
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+ struct ptlrpc_sec *sec = NULL;
+ char str[32];
+
+ LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_LWP_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_OSP_NAME) == 0);
- if (flags & PTLRPC_SEC_FL_REVERSE)
- strncat(buf, "reverse,", bufsize);
- if (flags & PTLRPC_SEC_FL_ROOTONLY)
- strncat(buf, "rootonly,", bufsize);
- if (flags & PTLRPC_SEC_FL_BULK)
- strncat(buf, "bulk,", bufsize);
- if (buf[0] == '\0')
- strncat(buf, "-,", bufsize);
+ if (cli->cl_import)
+ sec = sptlrpc_import_sec_ref(cli->cl_import);
+ if (sec == NULL)
+ goto out;
+
+ sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str));
- buf[strlen(buf) - 1] = '\0';
+ seq_printf(seq, "rpc flavor: %s\n",
+ sptlrpc_flavor2name_base(sec->ps_flvr.sf_rpc));
+ seq_printf(seq, "bulk flavor: %s\n",
+ sptlrpc_flavor2name_bulk(&sec->ps_flvr, str, sizeof(str)));
+ seq_printf(seq, "flags: %s\n",
+ sec_flags2str(sec->ps_flvr.sf_flags, str, sizeof(str)));
+ seq_printf(seq, "id: %d\n", sec->ps_id);
+ seq_printf(seq, "refcount: %d\n",
+ atomic_read(&sec->ps_refcount));
+ seq_printf(seq, "nctx: %d\n", atomic_read(&sec->ps_nctx));
+ seq_printf(seq, "gc internal %lld\n", sec->ps_gc_interval);
+ seq_printf(seq, "gc next %lld\n",
+ sec->ps_gc_interval ?
+ (s64)(sec->ps_gc_next - ktime_get_real_seconds()) : 0ll);
+ sptlrpc_sec_put(sec);
+out:
+ return 0;
}
-int sptlrpc_lprocfs_rd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+LPROC_SEQ_FOPS_RO(sptlrpc_info_lprocfs);
+
+static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
{
- struct obd_device *obd = data;
- struct sec_flavor_config *conf = &obd->u.cli.cl_sec_conf;
- struct ptlrpc_sec *sec = NULL;
- char flags_str[32];
- int written;
-
- if (obd == NULL)
- return 0;
-
- LASSERT(strcmp(obd->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
- strcmp(obd->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
- strcmp(obd->obd_type->typ_name, LUSTRE_MGC_NAME) == 0);
- LASSERT(conf->sfc_bulk_csum < BULK_CSUM_ALG_MAX);
- LASSERT(conf->sfc_bulk_priv < BULK_PRIV_ALG_MAX);
-
- if (obd->u.cli.cl_import)
- sec = obd->u.cli.cl_import->imp_sec;
-
- if (sec == NULL) {
- written = snprintf(page, count, "\n");
- goto out;
- }
-
- sec_flags2str(sec->ps_flags, flags_str, sizeof(flags_str));
-
- written = snprintf(page, count,
- "rpc msg flavor: %s\n"
- "bulk checksum: %s\n"
- "bulk encrypt: %s\n"
- "flags: %s\n"
- "ctx cache busy %d\n"
- "gc interval %lu\n"
- "gc next %ld\n",
- sptlrpc_flavor2name(sec->ps_flavor),
- sptlrpc_bulk_csum_alg2name(conf->sfc_bulk_csum),
- sptlrpc_bulk_priv_alg2name(conf->sfc_bulk_priv),
- flags_str,
- atomic_read(&sec->ps_busy),
- sec->ps_gc_interval,
- sec->ps_gc_interval ?
- sec->ps_gc_next - cfs_time_current_sec() : 0
- );
-
- if (sec->ps_policy->sp_cops->display) {
- written += sec->ps_policy->sp_cops->display(
- sec, page + written, count - written);
- }
-#if 0
- /*
- * list contexts
- */
- if (sec->ps_policy->sp_policy != SPTLRPC_POLICY_GSS)
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+ struct ptlrpc_sec *sec = NULL;
+
+ LASSERT(strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_LWP_NAME) == 0 ||
+ strcmp(dev->obd_type->typ_name, LUSTRE_OSP_NAME) == 0);
+
+ if (cli->cl_import)
+ sec = sptlrpc_import_sec_ref(cli->cl_import);
+ if (sec == NULL)
goto out;
- written += snprintf(page + written, count - written,
- "GSS contexts ==>\n");
-
- spin_lock(&sec->ps_lock);
- for (i = 0; i < sec->ps_ccache_size; i++) {
- hlist_for_each_entry_safe(ctx, pos, next,
- &sec->ps_ccache[i], cc_hash) {
- if (written >= count)
- break;
- written += sptlrpc_cli_ctx_display(ctx, page + written,
- count - written);
- }
- }
- spin_unlock(&sec->ps_lock);
-#endif
+ if (sec->ps_policy->sp_cops->display)
+ sec->ps_policy->sp_cops->display(sec, seq);
+ sptlrpc_sec_put(sec);
out:
- return written;
+ return 0;
}
-EXPORT_SYMBOL(sptlrpc_lprocfs_rd);
-static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
- { "enc_pool", sptlrpc_proc_read_enc_pool, NULL, NULL },
- { NULL }
-};
+LPROC_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
-int sptlrpc_lproc_init(void)
+static ssize_t
+lprocfs_sptlrpc_sepol_seq_write(struct file *file, const char __user *buffer,
+ size_t count, void *data)
{
- int rc;
+ struct seq_file *seq = file->private_data;
+ struct obd_device *dev = seq->private;
+ struct client_obd *cli = &dev->u.cli;
+ struct obd_import *imp = cli->cl_import;
+ struct sepol_downcall_data *param;
+ int size = sizeof(*param);
+ int rc = 0;
- LASSERT(sptlrpc_proc_root == NULL);
+ if (count < size) {
+ CERROR("%s: invalid data count = %lu, size = %d\n",
+ dev->obd_name, (unsigned long) count, size);
+ return -EINVAL;
+ }
- sptlrpc_proc_root = lprocfs_register("sptlrpc", proc_lustre_root,
- sptlrpc_lprocfs_vars, NULL);
- if (IS_ERR(sptlrpc_proc_root)) {
- rc = PTR_ERR(sptlrpc_proc_root);
- sptlrpc_proc_root = NULL;
- return rc;
- }
- return 0;
+ OBD_ALLOC(param, size);
+ if (param == NULL)
+ return -ENOMEM;
+
+ if (copy_from_user(param, buffer, size)) {
+ CERROR("%s: bad sepol data\n", dev->obd_name);
+ GOTO(out, rc = -EFAULT);
+ }
+
+ if (param->sdd_magic != SEPOL_DOWNCALL_MAGIC) {
+ CERROR("%s: sepol downcall bad params\n",
+ dev->obd_name);
+ GOTO(out, rc = -EINVAL);
+ }
+
+ if (param->sdd_sepol_len == 0 ||
+ param->sdd_sepol_len >= sizeof(imp->imp_sec->ps_sepol)) {
+ CERROR("%s: invalid sepol data returned\n",
+ dev->obd_name);
+ GOTO(out, rc = -EINVAL);
+ }
+ rc = param->sdd_sepol_len; /* save sdd_sepol_len */
+ OBD_FREE(param, size);
+ size = offsetof(struct sepol_downcall_data,
+ sdd_sepol[rc]);
+
+ /* alloc again with real size */
+ rc = 0;
+ OBD_ALLOC(param, size);
+ if (param == NULL)
+ return -ENOMEM;
+
+ if (copy_from_user(param, buffer, size)) {
+ CERROR("%s: bad sepol data\n", dev->obd_name);
+ GOTO(out, rc = -EFAULT);
+ }
+
+ spin_lock(&imp->imp_sec->ps_lock);
+ snprintf(imp->imp_sec->ps_sepol, param->sdd_sepol_len + 1, "%s",
+ param->sdd_sepol);
+ imp->imp_sec->ps_sepol_mtime = param->sdd_sepol_mtime;
+ spin_unlock(&imp->imp_sec->ps_lock);
+
+out:
+ if (param != NULL)
+ OBD_FREE(param, size);
+
+ return rc ? rc : count;
}
+LPROC_SEQ_FOPS_WR_ONLY(srpc, sptlrpc_sepol);
-void sptlrpc_lproc_fini(void)
+int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
{
- if (sptlrpc_proc_root) {
- lprocfs_remove(&sptlrpc_proc_root);
- sptlrpc_proc_root = NULL;
- }
+ int rc;
+
+ if (strcmp(dev->obd_type->typ_name, LUSTRE_OSC_NAME) != 0 &&
+ strcmp(dev->obd_type->typ_name, LUSTRE_MDC_NAME) != 0 &&
+ strcmp(dev->obd_type->typ_name, LUSTRE_MGC_NAME) != 0 &&
+ strcmp(dev->obd_type->typ_name, LUSTRE_LWP_NAME) != 0 &&
+ strcmp(dev->obd_type->typ_name, LUSTRE_OSP_NAME) != 0) {
+ CERROR("can't register lproc for obd type %s\n",
+ dev->obd_type->typ_name);
+ return -EINVAL;
+ }
+
+ rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "srpc_info", 0444,
+ &sptlrpc_info_lprocfs_fops, dev);
+ if (rc) {
+ CERROR("create proc entry srpc_info for %s: %d\n",
+ dev->obd_name, rc);
+ return rc;
+ }
+
+ rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "srpc_contexts",
+ 0444, &sptlrpc_ctxs_lprocfs_fops, dev);
+ if (rc) {
+ CERROR("create proc entry srpc_contexts for %s: %d\n",
+ dev->obd_name, rc);
+ return rc;
+ }
+
+ rc = ldebugfs_seq_create(dev->obd_debugfs_entry, "srpc_sepol",
+ 0200, &srpc_sptlrpc_sepol_fops, dev);
+ if (rc) {
+ CERROR("create proc entry srpc_sepol for %s: %d\n",
+ dev->obd_name, rc);
+ return rc;
+ }
+
+ return 0;
}
+EXPORT_SYMBOL(sptlrpc_lprocfs_cliobd_attach);
+
+LDEBUGFS_SEQ_FOPS_RO(sptlrpc_proc_enc_pool);
+
+static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
+ { .name = "encrypt_page_pools",
+ .fops = &sptlrpc_proc_enc_pool_fops },
+ { NULL }
+};
+
+struct dentry *sptlrpc_debugfs_dir;
+EXPORT_SYMBOL(sptlrpc_debugfs_dir);
-#else /* !__KERNEL__ */
+struct proc_dir_entry *sptlrpc_lprocfs_dir;
+EXPORT_SYMBOL(sptlrpc_lprocfs_dir);
int sptlrpc_lproc_init(void)
{
- return 0;
+ int rc;
+
+ LASSERT(sptlrpc_debugfs_dir == NULL);
+
+ sptlrpc_debugfs_dir = ldebugfs_register("sptlrpc", debugfs_lustre_root,
+ sptlrpc_lprocfs_vars, NULL);
+ if (IS_ERR_OR_NULL(sptlrpc_debugfs_dir)) {
+ rc = sptlrpc_debugfs_dir ? PTR_ERR(sptlrpc_debugfs_dir)
+ : -ENOMEM;
+ sptlrpc_debugfs_dir = NULL;
+ return rc;
+ }
+
+ sptlrpc_lprocfs_dir = lprocfs_register("sptlrpc", proc_lustre_root,
+ NULL, NULL);
+ if (IS_ERR_OR_NULL(sptlrpc_lprocfs_dir)) {
+ rc = PTR_ERR(sptlrpc_lprocfs_dir);
+ rc = sptlrpc_lprocfs_dir ? PTR_ERR(sptlrpc_lprocfs_dir)
+ : -ENOMEM;
+ sptlrpc_lprocfs_dir = NULL;
+ }
+ return 0;
}
void sptlrpc_lproc_fini(void)
{
-}
+ debugfs_remove_recursive(sptlrpc_debugfs_dir);
+ sptlrpc_debugfs_dir = NULL;
-#endif
+ if (!IS_ERR_OR_NULL(sptlrpc_lprocfs_dir))
+ lprocfs_remove(&sptlrpc_lprocfs_dir);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff