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/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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.
*
* 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).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
* GPL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
* 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>
*/
#define DEBUG_SUBSYSTEM S_SEC
#include "../../include/linux/libcfs/libcfs.h"
#include <linux/crypto.h>
#include "../include/obd.h"
#include "../include/obd_class.h"
#include "../include/obd_support.h"
#include "../include/lustre_net.h"
#include "../include/lustre_import.h"
#include "../include/lustre_dlm.h"
#include "../include/lustre_sec.h"
#include "ptlrpc_internal.h"
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);
return buf;
}
static int sptlrpc_info_lprocfs_seq_show(struct seq_file *seq, void *v)
{
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);
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));
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 %ld\n", sec->ps_gc_interval);
seq_printf(seq, "gc next %ld\n",
sec->ps_gc_interval ?
sec->ps_gc_next - get_seconds() : 0);
sptlrpc_sec_put(sec);
out:
return 0;
}
LPROC_SEQ_FOPS_RO(sptlrpc_info_lprocfs);
static int sptlrpc_ctxs_lprocfs_seq_show(struct seq_file *seq, void *v)
{
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);
if (cli->cl_import)
sec = sptlrpc_import_sec_ref(cli->cl_import);
if (sec == NULL)
goto out;
if (sec->ps_policy->sp_cops->display)
sec->ps_policy->sp_cops->display(sec, seq);
sptlrpc_sec_put(sec);
out:
return 0;
}
LPROC_SEQ_FOPS_RO(sptlrpc_ctxs_lprocfs);
int sptlrpc_lprocfs_cliobd_attach(struct obd_device *dev)
{
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) {
CERROR("can't register lproc for obd type %s\n",
dev->obd_type->typ_name);
return -EINVAL;
}
rc = ldebugfs_obd_seq_create(dev, "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_obd_seq_create(dev, "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;
}
return 0;
}
EXPORT_SYMBOL(sptlrpc_lprocfs_cliobd_attach);
LPROC_SEQ_FOPS_RO(sptlrpc_proc_enc_pool);
static struct lprocfs_vars sptlrpc_lprocfs_vars[] = {
{ "encrypt_page_pools", &sptlrpc_proc_enc_pool_fops },
{ NULL }
};
static struct dentry *sptlrpc_debugfs_dir;
int sptlrpc_lproc_init(void)
{
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;
}
return 0;
}
void sptlrpc_lproc_fini(void)
{
if (!IS_ERR_OR_NULL(sptlrpc_debugfs_dir))
ldebugfs_remove(&sptlrpc_debugfs_dir);
}
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