| 1 | |
| 2 | #include <linux/fs.h>
|
| 3 | #include <linux/init.h>
|
| 4 | #include <linux/interrupt.h>
|
| 5 | #include <linux/irqnr.h>
|
| 6 | #include <linux/proc_fs.h>
|
| 7 | #include <linux/seq_file.h>
|
| 8 |
|
| 9 | |
| 10 | * /proc/interrupts
|
| 11 |
|
| 12 | static void *int_seq_start(struct seq_file *f, loff_t *pos)
|
| 13 | {
|
| 14 | return *pos <= irq_get_nr_irqs() ? pos : NULL;
|
| 15 | }
|
| 16 |
|
| 17 | static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
|
| 18 | {
|
| 19 | (*pos)++;
|
| 20 | if (*pos > irq_get_nr_irqs())
|
| 21 | return NULL;
|
| 22 | return pos;
|
| 23 | }
|
| 24 |
|
| 25 | static void int_seq_stop(struct seq_file *f, void *v)
|
| 26 | {
|
| 27 |
|
| 28 | }
|
| 29 |
|
| 30 | static const struct seq_operations int_seq_ops = {
|
| 31 | .start = int_seq_start,
|
| 32 | .next = int_seq_next,
|
| 33 | .stop = int_seq_stop,
|
| 34 | .show = show_interrupts
|
| 35 | };
|
| 36 |
|
| 37 | static int __init proc_interrupts_init(void)
|
| 38 | {
|
| 39 | proc_create_seq("interrupts", 0, NULL, &int_seq_ops);
|
| 40 | return 0;
|
| 41 | }
|
| 42 | fs_initcall(proc_interrupts_init);
|