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      1 
      2 /*	$NetBSD: kmem.h,v 1.11 2019/05/23 08:32:31 hannken Exp $	*/
      3 
      4 /*-
      5  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to The NetBSD Foundation
      9  * by Andrew Doran.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #ifndef _OPENSOLARIS_SYS_KMEM_H_
     34 #define	_OPENSOLARIS_SYS_KMEM_H_
     35 
     36 #include_next <sys/kmem.h>
     37 #include <sys/pool.h>
     38 #include <sys/vmem.h>
     39 
     40 #define	KM_PUSHPAGE	KM_SLEEP
     41 #define	KM_NORMALPRI	0
     42 #define	KM_NODEBUG	0
     43 
     44 #define	KMC_NOTOUCH	0x00010000
     45 #define	KMC_NODEBUG	0x00020000
     46 
     47 struct kmem_cache;
     48 
     49 typedef struct kmem_cache kmem_cache_t;
     50 
     51 #define	POINTER_IS_VALID(p)	(!((uintptr_t)(p) & 0x3))
     52 #define	POINTER_INVALIDATE(pp)	(*(pp) = (void *)((uintptr_t)(*(pp)) | 0x1))
     53 
     54 kmem_cache_t *kmem_cache_create(char *, size_t, size_t,
     55     int (*)(void *, void *, int), void (*)(void *, void *),
     56     void (*)(void *), void *, vmem_t *, int);
     57 void kmem_cache_destroy(kmem_cache_t *);
     58 void *kmem_cache_alloc(kmem_cache_t *, int);
     59 void kmem_cache_free(kmem_cache_t *, void *);
     60 void kmem_cache_reap_now(kmem_cache_t *);
     61 #define	kmem_cache_set_move(cache, movefunc)	do { } while (0)
     62 
     63 #define	heap_arena			kmem_arena
     64 
     65 #define kmem_alloc solaris_kmem_alloc
     66 #define kmem_zalloc solaris_kmem_zalloc
     67 #define kmem_free solaris_kmem_free
     68 #define kmem_size() ((uint64_t)physmem * PAGE_SIZE)
     69 
     70 void *solaris_kmem_alloc(size_t, int);
     71 void *solaris_kmem_zalloc(size_t, int);
     72 void solaris_kmem_free(void *, size_t);
     73 
     74 #endif	/* _OPENSOLARIS_SYS_KMEM_H_ */
     75