kmem.h revision 331017
113546Sjulian/*- 235509Sjb * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 313546Sjulian * All rights reserved. 413546Sjulian * 513546Sjulian * Redistribution and use in source and binary forms, with or without 613546Sjulian * modification, are permitted provided that the following conditions 713546Sjulian * are met: 813546Sjulian * 1. Redistributions of source code must retain the above copyright 913546Sjulian * notice, this list of conditions and the following disclaimer. 1013546Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1113546Sjulian * notice, this list of conditions and the following disclaimer in the 1213546Sjulian * documentation and/or other materials provided with the distribution. 1313546Sjulian * 1413546Sjulian * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 1513546Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1613546Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1713546Sjulian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 1813546Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1913546Sjulian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2013546Sjulian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2113546Sjulian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2213546Sjulian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2349439Sdeischen * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2413546Sjulian * SUCH DAMAGE. 2513546Sjulian * 2613546Sjulian * $FreeBSD: stable/11/sys/cddl/compat/opensolaris/sys/kmem.h 331017 2018-03-15 19:08:33Z kevans $ 2713546Sjulian */ 2813546Sjulian 2913546Sjulian#ifndef _OPENSOLARIS_SYS_KMEM_H_ 3013546Sjulian#define _OPENSOLARIS_SYS_KMEM_H_ 3113546Sjulian 3250476Speter#include <sys/param.h> 3324518Sjb#include <sys/proc.h> 3413546Sjulian#include <sys/malloc.h> 3513546Sjulian#include <sys/vmem.h> 3613546Sjulian#include <sys/vmmeter.h> 3713546Sjulian 3813546Sjulian#include <vm/uma.h> 3913546Sjulian#include <vm/vm.h> 4013546Sjulian#include <vm/vm_extern.h> 41103388Smini 4213546SjulianMALLOC_DECLARE(M_SOLARIS); 4395948Sarchie 4471581Sdeischen#define POINTER_IS_VALID(p) (!((uintptr_t)(p) & 0x3)) 4513546Sjulian#define POINTER_INVALIDATE(pp) (*(pp) = (void *)((uintptr_t)(*(pp)) | 0x1)) 4695948Sarchie 4795948Sarchie#define KM_SLEEP M_WAITOK 48113658Sdeischen#define KM_PUSHPAGE M_WAITOK 4995948Sarchie#define KM_NOSLEEP M_NOWAIT 5095948Sarchie#define KM_NODEBUG M_NODUMP 51123312Sdavidxu#define KM_NORMALPRI 0 52103419Smini#define KMC_NODEBUG UMA_ZONE_NODUMP 53123312Sdavidxu#define KMC_NOTOUCH 0 5495948Sarchie 5595948Sarchietypedef struct kmem_cache { 5695948Sarchie char kc_name[32]; 57#if defined(_KERNEL) && !defined(KMEM_DEBUG) 58 uma_zone_t kc_zone; 59#else 60 size_t kc_size; 61#endif 62 int (*kc_constructor)(void *, void *, int); 63 void (*kc_destructor)(void *, void *); 64 void *kc_private; 65} kmem_cache_t; 66 67void *zfs_kmem_alloc(size_t size, int kmflags); 68void zfs_kmem_free(void *buf, size_t size); 69uint64_t kmem_size(void); 70kmem_cache_t *kmem_cache_create(char *name, size_t bufsize, size_t align, 71 int (*constructor)(void *, void *, int), void (*destructor)(void *, void *), 72 void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int cflags); 73void kmem_cache_destroy(kmem_cache_t *cache); 74void *kmem_cache_alloc(kmem_cache_t *cache, int flags); 75void kmem_cache_free(kmem_cache_t *cache, void *buf); 76void kmem_cache_reap_now(kmem_cache_t *cache); 77void kmem_reap(void); 78int kmem_debugging(void); 79void *calloc(size_t n, size_t s); 80 81#define freemem vm_cnt.v_free_count 82#define minfree vm_cnt.v_free_min 83#define heap_arena kmem_arena 84#define kmem_alloc(size, kmflags) zfs_kmem_alloc((size), (kmflags)) 85#define kmem_zalloc(size, kmflags) zfs_kmem_alloc((size), (kmflags) | M_ZERO) 86#define kmem_free(buf, size) zfs_kmem_free((buf), (size)) 87 88#define kmem_cache_set_move(cache, movefunc) do { } while (0) 89 90#endif /* _OPENSOLARIS_SYS_KMEM_H_ */ 91