1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/kernel.h>
 3#include <linux/ide.h>
 4#include <linux/hdreg.h>
 5#include <linux/mutex.h>
 6
 7#include "ide-disk.h"
 8
 9static DEFINE_MUTEX(ide_disk_ioctl_mutex);
10static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {
11{ HDIO_GET_ADDRESS,	HDIO_SET_ADDRESS,   &ide_devset_address   },
12{ HDIO_GET_MULTCOUNT,	HDIO_SET_MULTCOUNT, &ide_devset_multcount },
13{ HDIO_GET_NOWERR,	HDIO_SET_NOWERR,    &ide_devset_nowerr	  },
14{ HDIO_GET_WCACHE,	HDIO_SET_WCACHE,    &ide_devset_wcache	  },
15{ HDIO_GET_ACOUSTIC,	HDIO_SET_ACOUSTIC,  &ide_devset_acoustic  },
16{ 0 }
17};
18
19int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,
20		   unsigned int cmd, unsigned long arg)
21{
22	int err;
23
24	mutex_lock(&ide_disk_ioctl_mutex);
25	err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);
26	if (err != -EOPNOTSUPP)
27		goto out;
28
29	err = generic_ide_ioctl(drive, bdev, cmd, arg);
30out:
31	mutex_unlock(&ide_disk_ioctl_mutex);
32	return err;
33}