#define UIO_MAX_DEVICES (1U << MINORBITS)
-struct uio_device {
- struct module *owner;
- struct device *dev;
- int minor;
- atomic_t event;
- struct fasync_struct *async_queue;
- wait_queue_head_t wait;
- struct uio_info *info;
- struct kobject *map_dir;
- struct kobject *portio_dir;
-};
-
static int uio_major;
static struct cdev *uio_cdev;
static DEFINE_IDR(uio_idr);