Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / ide / ide-disk_ioctl.c

diff --git a/kernel/drivers/ide/ide-disk_ioctl.c b/kernel/drivers/ide/ide-disk_ioctl.c
new file mode 100644 (file)
index 0000000..da36f72
--- /dev/null
+++ b/kernel/drivers/ide/ide-disk_ioctl.c
@@ -0,0 +1,32 @@
+#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;
+}