net/9p/sysctl.c

   1 /*
   2  *  net/9p/sysctl.c
   3  *
   4  *  9P sysctl interface
   5  *
   6  *  Copyright (C) 2007 by Latchesar Ionkov <lucho@ionkov.net>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License version 2
  10  *  as published by the Free Software Foundation.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to:
  19  *  Free Software Foundation
  20  *  51 Franklin Street, Fifth Floor
  21  *  Boston, MA  02111-1301  USA
  22  *
  23  */
  24
  25 #include <linux/kernel.h>
  26 #include <linux/mm.h>
  27 #include <linux/sysctl.h>
  28 #include <linux/init.h>
  29 #include <net/9p/9p.h>
  30
  31 static struct ctl_table p9_table[] = {
  32 #ifdef CONFIG_NET_9P_DEBUG
  33         {
  34                 .ctl_name       = CTL_UNNUMBERED,
  35                 .procname       = "debug",
  36                 .data           = &p9_debug_level,
  37                 .maxlen         = sizeof(int),
  38                 .mode           = 0644,
  39                 .proc_handler   = &proc_dointvec
  40         },
  41 #endif
  42         {},
  43 };
  44
  45 static struct ctl_table p9_net_table[] = {
  46         {
  47                 .ctl_name       = CTL_UNNUMBERED,
  48                 .procname       = "9p",
  49                 .maxlen         = 0,
  50                 .mode           = 0555,
  51                 .child          = p9_table,
  52         },
  53         {},
  54 };
  55
  56 static struct ctl_table p9_ctl_table[] = {
  57         {
  58                 .ctl_name       = CTL_NET,
  59                 .procname       = "net",
  60                 .maxlen         = 0,
  61                 .mode           = 0555,
  62                 .child          = p9_net_table,
  63         },
  64         {},
  65 };
  66
  67 static struct ctl_table_header *p9_table_header;
  68
  69 int __init p9_sysctl_register(void)
  70 {
  71         p9_table_header = register_sysctl_table(p9_ctl_table);
  72         if (!p9_table_header)
  73                 return -ENOMEM;
  74
  75         return 0;
  76 }
  77
  78 void __exit p9_sysctl_unregister(void)
  79 {
  80          unregister_sysctl_table(p9_table_header);
  81 }