linux-imx

// SPDX-License-Identifier: GPL-2.0

#include <linux/kernel.h>

#include <linux/ide.h>

#include <linux/hdreg.h>

#include <linux/mutex.h>

​

#include "ide-disk.h"

​

static DEFINE_MUTEX(ide_disk_ioctl_mutex);

static const struct ide_ioctl_devset ide_disk_ioctl_settings[] = {

{ HDIO_GET_ADDRESS, HDIO_SET_ADDRESS,   &ide_devset_address   },

{ HDIO_GET_MULTCOUNT,   HDIO_SET_MULTCOUNT, &ide_devset_multcount },

{ HDIO_GET_NOWERR,  HDIO_SET_NOWERR,    &ide_devset_nowerr    },

{ HDIO_GET_WCACHE,  HDIO_SET_WCACHE,    &ide_devset_wcache    },

{ HDIO_GET_ACOUSTIC,    HDIO_SET_ACOUSTIC,  &ide_devset_acoustic  },

{ 0 }

};

​

int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode,

           unsigned int cmd, unsigned long arg)

{

    int err;

​

    mutex_lock(&ide_disk_ioctl_mutex);

    err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings);

    if (err != -EOPNOTSUPP)

        goto out;

​

    err = generic_ide_ioctl(drive, bdev, cmd, arg);

out:

    mutex_unlock(&ide_disk_ioctl_mutex);

    return err;

}