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
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
partition_id_open(struct inode * inode,struct file * file)21 static int partition_id_open(struct inode *inode, struct file *file)
22 {
23 return single_open(file, partition_id_show, NULL);
24 }
25
system_serial_number_show(struct seq_file * s,void * p)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
system_serial_number_open(struct inode * inode,struct file * file)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
licenseID_show(struct seq_file * s,void * p)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
licenseID_open(struct inode * inode,struct file * file)43 static int licenseID_open(struct inode *inode, struct file *file)
44 {
45 return single_open(file, licenseID_show, NULL);
46 }
47
coherence_id_show(struct seq_file * s,void * p)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
coherence_id_open(struct inode * inode,struct file * file)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
register_sn_procfs(void)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 */
118