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} 34