| /* |
| * 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; |
| } |
| } |