#ifndef _CONFIG_DRIVER_H_
#define _CONFIG_DRIVER_H_

/* definitions for the /dev/misc/config driver which provides access
 * to the device_manager via calls to ioctl().
 */

/* the magic is the ioctl */

#define DM_GET_CHILD                            'GCHI'
#define DM_GET_NEXT_CHILD                       'GNCH'
#define DM_GET_PARENT                           'GPAR'
#define DM_GET_NEXT_ATTRIBUTE                   'GNAT'
#define DM_RETRIEVE_ATTRIBUTE                   'RATT'

struct dev_attr {
        char            name[255];
        type_code       type;
        union {
                uint8   ui8;
                uint16  ui16;
                uint32  ui32;
                uint64  ui64;
                char    string[255];
                struct {
                        void    *data;
                        size_t  length;
                } raw;
        } value;
};

struct dm_ioctl_data {
        uint32                          magic;
        struct dev_attr                 *attr;
};

#define DM_DEVICE_NAME "misc/config"

#endif  /* _CONFIG_DRIVER_H_ */