LXR linux/arch/ia64/sn/kernel/sn2/sn_proc

   1/*
   2 * This file is subject to the terms and conditions of the GNU General Public
   3 * License.  See the file "COPYING" in the main directory of this archive
   4 * for more details.
   5 *
   6 * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.
   7 */
   8
   9#ifdef CONFIG_PROC_FS
  10#include <linux/proc_fs.h>
  11#include <linux/seq_file.h>
  12#include <asm/uaccess.h>
  13#include <asm/sn/sn_sal.h>
  14
  15static int partition_id_show(struct seq_file *s, void *p)
  16{
  17        seq_printf(s, "%d\n", sn_partition_id);
  18        return 0;
  19}
  20
  21static int partition_id_open(struct inode *inode, struct file *file)
  22{
  23        return single_open(file, partition_id_show, NULL);
  24}
  25
  26static int system_serial_number_show(struct seq_file *s, void *p)
  27{
  28        seq_printf(s, "%s\n", sn_system_serial_number());
  29        return 0;
  30}
  31
  32static int system_serial_number_open(struct inode *inode, struct file *file)
  33{
  34        return single_open(file, system_serial_number_show, NULL);
  35}
  36
  37static int licenseID_show(struct seq_file *s, void *p)
  38{
  39        seq_printf(s, "0x%llx\n", sn_partition_serial_number_val());
  40        return 0;
  41}
  42
  43static int licenseID_open(struct inode *inode, struct file *file)
  44{
  45        return single_open(file, licenseID_show, NULL);
  46}
  47
  48static int coherence_id_show(struct seq_file *s, void *p)
  49{
  50        seq_printf(s, "%d\n", partition_coherence_id());
  51
  52        return 0;
  53}
  54
  55static int coherence_id_open(struct inode *inode, struct file *file)
  56{
  57        return single_open(file, coherence_id_show, NULL);
  58}
  59
  60/* /proc/sgi_sn/sn_topology uses seq_file, see sn_hwperf.c */
  61extern int sn_topology_open(struct inode *, struct file *);
  62extern int sn_topology_release(struct inode *, struct file *);
  63
  64static const struct file_operations proc_partition_id_fops = {
  65        .open           = partition_id_open,
  66        .read           = seq_read,
  67        .llseek         = seq_lseek,
  68        .release        = single_release,
  69};
  70
  71static const struct file_operations proc_system_sn_fops = {
  72        .open           = system_serial_number_open,
  73        .read           = seq_read,
  74        .llseek         = seq_lseek,
  75        .release        = single_release,
  76};
  77
  78static const struct file_operations proc_license_id_fops = {
  79        .open           = licenseID_open,
  80        .read           = seq_read,
  81        .llseek         = seq_lseek,
  82        .release        = single_release,
  83};
  84
  85static const struct file_operations proc_coherence_id_fops = {
  86        .open           = coherence_id_open,
  87        .read           = seq_read,
  88        .llseek         = seq_lseek,
  89        .release        = single_release,
  90};
  91
  92static const struct file_operations proc_sn_topo_fops = {
  93        .open           = sn_topology_open,
  94        .read           = seq_read,
  95        .llseek         = seq_lseek,
  96        .release        = sn_topology_release,
  97};
  98
  99void register_sn_procfs(void)
 100{
 101        static struct proc_dir_entry *sgi_proc_dir = NULL;
 102
 103        BUG_ON(sgi_proc_dir != NULL);
 104        if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
 105                return;
 106
 107        proc_create("partition_id", 0444, sgi_proc_dir,
 108                    &proc_partition_id_fops);
 109        proc_create("system_serial_number", 0444, sgi_proc_dir,
 110                    &proc_system_sn_fops);
 111        proc_create("licenseID", 0444, sgi_proc_dir, &proc_license_id_fops);
 112        proc_create("coherence_id", 0444, sgi_proc_dir,
 113                    &proc_coherence_id_fops);
 114        proc_create("sn_topology", 0444, sgi_proc_dir, &proc_sn_topo_fops);
 115}
 116
 117#endif /* CONFIG_PROC_FS */
 118