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/*
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _OPENSOLARIS_SYS_KMEM_H_
#define _OPENSOLARIS_SYS_KMEM_H_
#include <sys/param.h>
#include <sys/malloc.h>
#include <sys/vmem.h>
#include <sys/counter.h>
#include <vm/uma.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
MALLOC_DECLARE(M_SOLARIS);
#define POINTER_IS_VALID(p) (!((uintptr_t)(p) & 0x3))
#define POINTER_INVALIDATE(pp) (*(pp) = (void *)((uintptr_t)(*(pp)) | 0x1))
#define KM_SLEEP M_WAITOK
#define KM_PUSHPAGE M_WAITOK
#define KM_NOSLEEP M_NOWAIT
#define KM_NORMALPRI 0
#define KMC_NODEBUG UMA_ZONE_NODUMP
typedef struct vmem vmem_t;
extern char *kmem_asprintf(const char *, ...);
extern char *kmem_vasprintf(const char *fmt, va_list ap);
typedef struct kmem_cache {
char kc_name[32];
#if !defined(KMEM_DEBUG)
uma_zone_t kc_zone;
#else
size_t kc_size;
#endif
int (*kc_constructor)(void *, void *, int);
void (*kc_destructor)(void *, void *);
void *kc_private;
} kmem_cache_t;
extern uint64_t spl_kmem_cache_inuse(kmem_cache_t *cache);
extern uint64_t spl_kmem_cache_entry_size(kmem_cache_t *cache);
void *zfs_kmem_alloc(size_t size, int kmflags);
void zfs_kmem_free(void *buf, size_t size);
uint64_t kmem_size(void);
kmem_cache_t *kmem_cache_create(char *name, size_t bufsize, size_t align,
int (*constructor)(void *, void *, int), void (*destructor)(void *, void *),
void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int cflags);
void kmem_cache_destroy(kmem_cache_t *cache);
void *kmem_cache_alloc(kmem_cache_t *cache, int flags);
void kmem_cache_free(kmem_cache_t *cache, void *buf);
boolean_t kmem_cache_reap_active(void);
void kmem_cache_reap_soon(kmem_cache_t *);
void kmem_reap(void);
int kmem_debugging(void);
void *calloc(size_t n, size_t s);
#define kmem_cache_reap_now kmem_cache_reap_soon
#define freemem vm_free_count()
#define minfree vm_cnt.v_free_min
#define kmem_alloc(size, kmflags) zfs_kmem_alloc((size), (kmflags))
#define kmem_zalloc(size, kmflags) \
zfs_kmem_alloc((size), (kmflags) | M_ZERO)
#define kmem_free(buf, size) zfs_kmem_free((buf), (size))
#endif /* _OPENSOLARIS_SYS_KMEM_H_ */
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