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