blob: 05029c0e2f2479d072cb3402ea965d361b1dbb35 [file] [log] [blame]
Alexey Dobriyand6917e12008-10-05 00:08:44 +04001#include <linux/fs.h>
2#include <linux/init.h>
3#include <linux/interrupt.h>
4#include <linux/irqnr.h>
5#include <linux/proc_fs.h>
6#include <linux/seq_file.h>
7
8/*
9 * /proc/interrupts
10 */
11static void *int_seq_start(struct seq_file *f, loff_t *pos)
12{
13 return (*pos <= nr_irqs) ? pos : NULL;
14}
15
16static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
17{
18 (*pos)++;
19 if (*pos > nr_irqs)
20 return NULL;
21 return pos;
22}
23
24static void int_seq_stop(struct seq_file *f, void *v)
25{
26 /* Nothing to do */
27}
28
29static const struct seq_operations int_seq_ops = {
30 .start = int_seq_start,
31 .next = int_seq_next,
32 .stop = int_seq_stop,
33 .show = show_interrupts
34};
35
36static int interrupts_open(struct inode *inode, struct file *filp)
37{
38 return seq_open(filp, &int_seq_ops);
39}
40
41static const struct file_operations proc_interrupts_operations = {
42 .open = interrupts_open,
43 .read = seq_read,
44 .llseek = seq_lseek,
45 .release = seq_release,
46};
47
48static int __init proc_interrupts_init(void)
49{
50 proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
51 return 0;
52}
53module_init(proc_interrupts_init);