diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c new file mode 100644 index 000000000000..1213621ca5aa --- /dev/null +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c @@ -0,0 +1,199 @@ +/* + * 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 <linux/libcfs/libcfs.h> +#include <linux/crypto.h> + +#include <obd.h> +#include <obd_class.h> +#include <obd_support.h> +#include <lustre_net.h> +#include <lustre_import.h> +#include <lustre_dlm.h> +#include <lustre_sec.h> + +#include "ptlrpc_internal.h" + + +struct proc_dir_entry *sptlrpc_proc_root = NULL; +EXPORT_SYMBOL(sptlrpc_proc_root); + +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 - cfs_time_current_sec() : 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 = lprocfs_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 = lprocfs_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 } +}; + +int sptlrpc_lproc_init(void) +{ + int rc; + + LASSERT(sptlrpc_proc_root == NULL); + + 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; +} + +void sptlrpc_lproc_fini(void) +{ + if (sptlrpc_proc_root) { + lprocfs_remove(&sptlrpc_proc_root); + sptlrpc_proc_root = NULL; + } +} |