Merge branch 'stable/bug-fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / arch / ia64 / sn / kernel / sn2 / sn_proc_fs.c
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
15 static 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
21 static int partition_id_open(struct inode *inode, struct file *file)
22 {
23         return single_open(file, partition_id_show, NULL);
24 }
25
26 static 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
32 static int system_serial_number_open(struct inode *inode, struct file *file)
33 {
34         return single_open(file, system_serial_number_show, NULL);
35 }
36
37 static 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
43 static int licenseID_open(struct inode *inode, struct file *file)
44 {
45         return single_open(file, licenseID_show, NULL);
46 }
47
48 static 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
55 static 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 */
61 extern int sn_topology_open(struct inode *, struct file *);
62 extern int sn_topology_release(struct inode *, struct file *);
63
64 static 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
71 static 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
78 static 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
85 static 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
92 static 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
99 void 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 */