[linux.git] / fs / proc / interrupts.c

#include <linux/fs.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irqnr.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>

/*
 * /proc/interrupts
 */
static void *int_seq_start(struct seq_file *f, loff_t *pos)
{
	return (*pos <= nr_irqs) ? pos : NULL;
}

static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
{
	(*pos)++;
	if (*pos > nr_irqs)
		return NULL;
	return pos;
}

static void int_seq_stop(struct seq_file *f, void *v)
{
	/* Nothing to do */
}

static const struct seq_operations int_seq_ops = {
	.start = int_seq_start,
	.next  = int_seq_next,
	.stop  = int_seq_stop,
	.show  = show_interrupts
};

static int interrupts_open(struct inode *inode, struct file *filp)
{
	return seq_open(filp, &int_seq_ops);
}

static const struct file_operations proc_interrupts_operations = {
	.open		= interrupts_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static int __init proc_interrupts_init(void)
{
	proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
	return 0;
}
fs_initcall(proc_interrupts_init);
Commit	Line	Data
d6917e19 AD	1	#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	*/
	11	static void int_seq_start(struct seq_file f, loff_t *pos)
	12	{
	13	return (*pos <= nr_irqs) ? pos : NULL;
	14	}
	15
	16	static 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
	24	static void int_seq_stop(struct seq_file f, void v)
	25	{
	26	/* Nothing to do */
	27	}
	28
	29	static 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
	36	static int interrupts_open(struct inode inode, struct file filp)
	37	{
	38	return seq_open(filp, &int_seq_ops);
	39	}
	40
	41	static 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
	48	static int __init proc_interrupts_init(void)
	49	{
	50	proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
	51	return 0;
	52	}
abaf3787	53	fs_initcall(proc_interrupts_init);