[apple/xnu.git] / security / mac_alloc.h

/*
 * Copyright (c) 2007 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * Memory allocation wrappers.
 */

#ifndef _SECURITY_MAC_ALLOC_H_
#define _SECURITY_MAC_ALLOC_H_

#include <mach/machine/vm_types.h>
#include <kern/kern_types.h>
#include <sys/appleapiopts.h>

/* JMM - should use OSMlloc.h interfaces */

#ifdef __APPLE_API_EVOLVING
/*
 * Kernel Memory allocator
 */
void *  mac_kalloc(vm_size_t size, int how);
void    mac_kfree(void *data, vm_size_t size);

/*
 * Mbuf allocator for mbuf labels.
 */
void *  mac_mbuf_alloc(int len, int wait);
void    mac_mbuf_free(void *data);

/*
 *
 */
int     mac_wire(void *start, void *end);
int     mac_unwire(void *start, void *end);

/*
 * Zone allocator
 */
zone_t  mac_zinit(vm_size_t size, vm_size_t maxmem,
    vm_size_t alloc, const char *name);
void    mac_zone_change(zone_t zone, unsigned int item, boolean_t value);
void *  mac_zalloc(zone_t zone, int how);
void    mac_zfree(zone_t zone, void *elem);

/* Item definitions */
#define Z_EXHAUST       1       /* Make zone exhaustible        */
#define Z_COLLECT       2       /* Make zone collectable        */
#define Z_EXPAND        3       /* Make zone expandable         */
#define Z_FOREIGN       4       /* Allow collectable zone to contain foreign elements */
#define Z_CALLERACCT    5       /* Account alloc/free against the caller */

#endif  /* __APPLE_API_EVOLVING */
#endif  /* _SECURITY_MAC_ALLOC_H_ */
Commit	Line	Data
2d21ac55 A	1	/*
	2	* Copyright (c) 2007 Apple Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
0a7de745	5	*
2d21ac55 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
0a7de745	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
2d21ac55 A	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
0a7de745	17	*
2d21ac55 A	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
0a7de745	25	*
2d21ac55 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* Memory allocation wrappers.
	30	*/
	31
	32	#ifndef _SECURITY_MAC_ALLOC_H_
0a7de745	33	#define _SECURITY_MAC_ALLOC_H_
2d21ac55 A	34
	35	#include <mach/machine/vm_types.h>
	36	#include <kern/kern_types.h>
	37	#include <sys/appleapiopts.h>
	38
	39	/* JMM - should use OSMlloc.h interfaces */
	40
	41	#ifdef __APPLE_API_EVOLVING
	42	/*
	43	* Kernel Memory allocator
	44	*/
0a7de745 A	45	void * mac_kalloc(vm_size_t size, int how);
0a7de745 A	46	void mac_kfree(void *data, vm_size_t size);
2d21ac55 A	47
	48	/*
	49	* Mbuf allocator for mbuf labels.
	50	*/
0a7de745 A	51	void * mac_mbuf_alloc(int len, int wait);
0a7de745 A	52	void mac_mbuf_free(void *data);
2d21ac55 A	53
2d21ac55 A	54	/*
0a7de745	55	*
2d21ac55	56	*/
0a7de745 A	57	int mac_wire(void start, void end);
0a7de745 A	58	int mac_unwire(void start, void end);
2d21ac55 A	59
	60	/*
	61	* Zone allocator
	62	*/
0a7de745 A	63	zone_t mac_zinit(vm_size_t size, vm_size_t maxmem,
	64	vm_size_t alloc, const char *name);
	65	void mac_zone_change(zone_t zone, unsigned int item, boolean_t value);
	66	void * mac_zalloc(zone_t zone, int how);
	67	void mac_zfree(zone_t zone, void *elem);
2d21ac55 A	68
	69	/* Item definitions */
	70	#define Z_EXHAUST 1 /* Make zone exhaustible */
	71	#define Z_COLLECT 2 /* Make zone collectable */
	72	#define Z_EXPAND 3 /* Make zone expandable */
	73	#define Z_FOREIGN 4 /* Allow collectable zone to contain foreign elements */
0a7de745	74	#define Z_CALLERACCT 5 /* Account alloc/free against the caller */
2d21ac55 A	75
2d21ac55 A	76	#endif /* __APPLE_API_EVOLVING */
0a7de745	77	#endif /* _SECURITY_MAC_ALLOC_H_ */