#define KEY_STATUS_OK	1
#define KEY_GUEST_ERR	2
#define KEY_OPEN	3
#define KEY_CLOSE	4
#define KEY_RESULT	5
#define KEY_READ	6
#define KEY_NONBLOCK	7
#define KEY_LENGTH	8
#define KEY_WRITE	9
#define KEY_POLL	10

struct guest_packet {
	unsigned int key;
	int value;
};