Message structures / dopes
[Datatypes, Defines and Macros]

Data Structures
struct	l4_msg_t
	Structure to describe long IPC. More...
struct	l4_msgdope_struct_t
	L4 message dope structure. More...
union	l4_msgdope_t
	L4 message dope type. More...
struct	l4_strdope_t
	L4 string dope. More...
Defines
#define	L4_IPC_NIL_DESCRIPTOR
	Nil message descriptor.
#define	L4_IPC_SHORT_MSG
	Short IPC (register-only) message descriptor.
#define	L4_IPC_SHORT_FPAGE
	Short flexpage IPC (register-only) message descriptor, message words are interpreted as send flexpage descriptor.
#define	L4_IPC_DOPE(dwords, strings)
	Build IPC message dope.
#define	L4_IPC_MAPMSG(address, size)
	Build short flexpage receive message descriptor.
#define	L4_IPC_IOMAPMSG(port, iosize)
	Build short I/O flexpage receive message descriptor.
#define	L4_IPC_CAPMAPMSG(taskno, order)
	Build short capability flexpage receive message descriptor.
#define	L4_IPC_SHORT_MSG_NODONATE
	Short IPC (register-only) message descriptor w/o donation.

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Define Documentation

#define L4_IPC_DOPE	(	dwords,
		strings		)

Build IPC message dope.

Parameters:

	dwords	Number of dwords in message
	strings	Number of indirect strings in message

Definition at line 45 of file L4API-l4v2/ipc.h.

#define L4_IPC_MAPMSG	(	address,
		size		)

Build short flexpage receive message descriptor.

Parameters:

	address	Flexpage receive window address
	size	Receive window size (log2)

Definition at line 57 of file L4API-l4v2/ipc.h.

#define L4_IPC_IOMAPMSG	(	port,
		iosize		)

Build short I/O flexpage receive message descriptor.

Parameters:

	port	I/O flexpage receive window base port
	iosize	Receive window size

Definition at line 69 of file L4API-l4v2/ipc.h.

#define L4_IPC_CAPMAPMSG	(	taskno,
		order		)

Build short capability flexpage receive message descriptor.

Parameters:

	taskno	Task number
	order	Receive window size

Definition at line 81 of file L4API-l4v2/ipc.h.