| /* |
| * 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_ |
| |
| #ifdef _KERNEL |
| #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 /* _KERNEL */ |
| |
| #ifdef _STANDALONE |
| /* |
| * At the moment, we just need it for the type. We redirect the alloc/free |
| * routines to the usual Free and Malloc in that environment. |
| */ |
| typedef int kmem_cache_t; |
| #endif /* _STANDALONE */ |
| |
| #endif /* _OPENSOLARIS_SYS_KMEM_H_ */ |