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

// SPDX-License-Identifier: GPL-2.0
#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 __init proc_interrupts_init(void)
{
	proc_create_seq("interrupts", 0, NULL, &int_seq_ops);
	return 0;
}
fs_initcall(proc_interrupts_init);
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
d6917e19 AD	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 <= 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 > nr_irqs)
	21	return NULL;
	22	return pos;
	23	}
	24
	25	static void int_seq_stop(struct seq_file f, void v)
	26	{
	27	/* Nothing to do */
	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
d6917e19 AD	37	static int __init proc_interrupts_init(void)
d6917e19 AD	38	{
fddda2b7	39	proc_create_seq("interrupts", 0, NULL, &int_seq_ops);
d6917e19 AD	40	return 0;
d6917e19 AD	41	}
abaf3787	42	fs_initcall(proc_interrupts_init);