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 <linux/uaccess.h>
13 #include <asm/sn/sn_sal.h>
14
partition_id_show(struct seq_file * s,void * p)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
system_serial_number_show(struct seq_file * s,void * p)21 static int system_serial_number_show(struct seq_file *s, void *p)
22 {
23 seq_printf(s, "%s\n", sn_system_serial_number());
24 return 0;
25 }
26
licenseID_show(struct seq_file * s,void * p)27 static int licenseID_show(struct seq_file *s, void *p)
28 {
29 seq_printf(s, "0x%llx\n", sn_partition_serial_number_val());
30 return 0;
31 }
32
coherence_id_show(struct seq_file * s,void * p)33 static int coherence_id_show(struct seq_file *s, void *p)
34 {
35 seq_printf(s, "%d\n", partition_coherence_id());
36
37 return 0;
38 }
39
40 /* /proc/sgi_sn/sn_topology uses seq_file, see sn_hwperf.c */
41 extern int sn_topology_open(struct inode *, struct file *);
42 extern int sn_topology_release(struct inode *, struct file *);
43
44 static const struct file_operations proc_sn_topo_fops = {
45 .open = sn_topology_open,
46 .read = seq_read,
47 .llseek = seq_lseek,
48 .release = sn_topology_release,
49 };
50
register_sn_procfs(void)51 void register_sn_procfs(void)
52 {
53 static struct proc_dir_entry *sgi_proc_dir = NULL;
54
55 BUG_ON(sgi_proc_dir != NULL);
56 if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
57 return;
58
59 proc_create_single("partition_id", 0444, sgi_proc_dir,
60 partition_id_show);
61 proc_create_single("system_serial_number", 0444, sgi_proc_dir,
62 system_serial_number_show);
63 proc_create_single("licenseID", 0444, sgi_proc_dir, licenseID_show);
64 proc_create_single("coherence_id", 0444, sgi_proc_dir,
65 coherence_id_show);
66 proc_create("sn_topology", 0444, sgi_proc_dir, &proc_sn_topo_fops);
67 }
68
69 #endif /* CONFIG_PROC_FS */
70
