ipc_kobject.h   [plain text]


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 * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
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/*
 */
/*
 *	File:	kern/ipc_kobject.h
 *	Author:	Rich Draves
 *	Date:	1989
 *
 *	Declarations for letting a port represent a kernel object.
 */

#include <ipc/ipc_kmsg.h>
#include <ipc/ipc_port.h>

#ifndef	_KERN_IPC_KOBJECT_H_
#define _KERN_IPC_KOBJECT_H_

#ifdef KERNEL_PRIVATE
/*
 * This is the legacy in-kernel ipc-object mechanism.  Over the next
 * several months, this will be phased out in favor of a mechanism that
 * is less Mach IPC specific, and common across in-mach, in-kernel-component,
 * and user-level-component (Plugin) models.
 */
#include <mach/machine/vm_types.h>
#include <mach/mach_types.h>

typedef natural_t	ipc_kobject_type_t;

#define	IKOT_NONE				0
#define IKOT_THREAD				1
#define	IKOT_TASK				2
#define	IKOT_HOST				3
#define	IKOT_HOST_PRIV			4
#define	IKOT_PROCESSOR			5
#define	IKOT_PSET				6
#define	IKOT_PSET_NAME			7
#define	IKOT_TIMER				8
#define	IKOT_PAGING_REQUEST		9
#define	IKOT_MIG				10
#define	IKOT_MEMORY_OBJECT		11
#define	IKOT_XMM_PAGER			12
#define	IKOT_XMM_KERNEL			13
#define	IKOT_XMM_REPLY			14
#define IKOT_UND_REPLY			15
#define IKOT_HOST_NOTIFY		16
#define IKOT_HOST_SECURITY		17
#define	IKOT_LEDGER				18
#define IKOT_MASTER_DEVICE		19
#define IKOT_TASK_NAME			20
#define IKOT_SUBSYSTEM			21
#define IKOT_IO_DONE_QUEUE		22
#define IKOT_SEMAPHORE			23
#define IKOT_LOCK_SET			24
#define IKOT_CLOCK				25
#define IKOT_CLOCK_CTRL			26
#define IKOT_IOKIT_SPARE		27
#define IKOT_NAMED_ENTRY		28
#define IKOT_IOKIT_CONNECT		29
#define IKOT_IOKIT_OBJECT		30
#define IKOT_UPL				31
#define IKOT_MEM_OBJ_CONTROL		32
#define IKOT_AU_SESSIONPORT		33
#define IKOT_LABELH			34
/*
 * Add new entries here and adjust IKOT_UNKNOWN.
 * Please keep ipc/ipc_object.c:ikot_print_array up to date.
 */
#define	IKOT_UNKNOWN			35	/* magic catchall	*/
#define	IKOT_MAX_TYPE	(IKOT_UNKNOWN+1)	/* # of IKOT_ types	*/


#define is_ipc_kobject(ikot)	((ikot) != IKOT_NONE)

/*
 *	Define types of kernel objects that use page lists instead
 *	of entry lists for copyin of out of line memory.
 */

/* Dispatch a kernel server function */
extern ipc_kmsg_t	ipc_kobject_server(
						ipc_kmsg_t		request);

/* Make a port represent a kernel object of the given type */
extern void		ipc_kobject_set(
					ipc_port_t			port,
					ipc_kobject_t		kobject,
					ipc_kobject_type_t	type);

extern void		ipc_kobject_set_atomically(
					ipc_port_t			port,
					ipc_kobject_t		kobject,
					ipc_kobject_type_t	type);

/* Release any kernel object resources associated with a port */
extern void		ipc_kobject_destroy(
					ipc_port_t			port);

#define	null_conversion(port)	(port)

#endif /* KERNEL_PRIVATE */

#endif /* _KERN_IPC_KOBJECT_H_ */