1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at * usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22/* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#include <sys/nvpair.h> 28#include <sys/kmem.h> 29#include <sys/vmem.h> 30 31static void * 32nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size) 33{ 34 return (vmem_alloc(size, KM_SLEEP)); 35} 36 37static void * 38nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size) 39{ 40 return (vmem_alloc(size, KM_PUSHPAGE)); 41} 42 43static void * 44nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size) 45{ 46 return (kmem_alloc(size, KM_NOSLEEP)); 47} 48 49static void 50nv_free_spl(nv_alloc_t *nva, void *buf, size_t size) 51{ 52 kmem_free(buf, size); 53} 54 55const nv_alloc_ops_t spl_sleep_ops_def = { 56 .nv_ao_init = NULL, 57 .nv_ao_fini = NULL, 58 .nv_ao_alloc = nv_alloc_sleep_spl, 59 .nv_ao_free = nv_free_spl, 60 .nv_ao_reset = NULL 61}; 62 63const nv_alloc_ops_t spl_pushpage_ops_def = { 64 .nv_ao_init = NULL, 65 .nv_ao_fini = NULL, 66 .nv_ao_alloc = nv_alloc_pushpage_spl, 67 .nv_ao_free = nv_free_spl, 68 .nv_ao_reset = NULL 69}; 70 71const nv_alloc_ops_t spl_nosleep_ops_def = { 72 .nv_ao_init = NULL, 73 .nv_ao_fini = NULL, 74 .nv_ao_alloc = nv_alloc_nosleep_spl, 75 .nv_ao_free = nv_free_spl, 76 .nv_ao_reset = NULL 77}; 78 79nv_alloc_t nv_alloc_sleep_def = { 80 &spl_sleep_ops_def, 81 NULL 82}; 83 84nv_alloc_t nv_alloc_pushpage_def = { 85 &spl_pushpage_ops_def, 86 NULL 87}; 88 89nv_alloc_t nv_alloc_nosleep_def = { 90 &spl_nosleep_ops_def, 91 NULL 92}; 93 94nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def; 95nv_alloc_t *nv_alloc_pushpage = &nv_alloc_pushpage_def; 96nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def; 97