1 /*- 2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _OPENSOLARIS_SYS_KMEM_H_ 28 #define _OPENSOLARIS_SYS_KMEM_H_ 29 30 #include <sys/param.h> 31 #include <sys/proc.h> 32 #include <sys/malloc.h> 33 #include <sys/vmem.h> 34 #include <sys/vmmeter.h> 35 36 #include <vm/uma.h> 37 #include <vm/vm.h> 38 #include <vm/vm_extern.h> 39 40 MALLOC_DECLARE(M_SOLARIS); 41 42 #define POINTER_IS_VALID(p) (!((uintptr_t)(p) & 0x3)) 43 #define POINTER_INVALIDATE(pp) (*(pp) = (void *)((uintptr_t)(*(pp)) | 0x1)) 44 45 #define KM_SLEEP M_WAITOK 46 #define KM_PUSHPAGE M_WAITOK 47 #define KM_NOSLEEP M_NOWAIT 48 #define KM_NODEBUG M_NODUMP 49 #define KM_NORMALPRI 0 50 #define KMC_NODEBUG UMA_ZONE_NODUMP 51 #define KMC_NOTOUCH 0 52 53 typedef struct kmem_cache { 54 char kc_name[32]; 55 #if defined(_KERNEL) && !defined(KMEM_DEBUG) 56 uma_zone_t kc_zone; 57 #else 58 size_t kc_size; 59 #endif 60 int (*kc_constructor)(void *, void *, int); 61 void (*kc_destructor)(void *, void *); 62 void *kc_private; 63 } kmem_cache_t; 64 65 void *zfs_kmem_alloc(size_t size, int kmflags); 66 void zfs_kmem_free(void *buf, size_t size); 67 uint64_t kmem_size(void); 68 kmem_cache_t *kmem_cache_create(char *name, size_t bufsize, size_t align, 69 int (*constructor)(void *, void *, int), void (*destructor)(void *, void *), 70 void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int cflags); 71 void kmem_cache_destroy(kmem_cache_t *cache); 72 void *kmem_cache_alloc(kmem_cache_t *cache, int flags); 73 void kmem_cache_free(kmem_cache_t *cache, void *buf); 74 boolean_t kmem_cache_reap_active(void); 75 void kmem_cache_reap_soon(kmem_cache_t *); 76 void kmem_reap(void); 77 int kmem_debugging(void); 78 void *calloc(size_t n, size_t s); 79 80 #define freemem vm_free_count() 81 #define minfree vm_cnt.v_free_min 82 #define heap_arena kernel_arena 83 #define zio_arena NULL 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