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 https://opensource.org/licenses/CDDL-1.0. 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 31 static void * 32 nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size) 33 { 34 return (vmem_alloc(size, KM_SLEEP)); 35 } 36 37 static void * 38 nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size) 39 { 40 return (vmem_alloc(size, KM_PUSHPAGE)); 41 } 42 43 static void * 44 nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size) 45 { 46 return (kmem_alloc(size, KM_NOSLEEP)); 47 } 48 49 static void 50 nv_free_spl(nv_alloc_t *nva, void *buf, size_t size) 51 { 52 kmem_free(buf, size); 53 } 54 55 static const 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 63 static const 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 71 static const 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 79 static nv_alloc_t nv_alloc_sleep_def = { 80 &spl_sleep_ops_def, 81 NULL 82 }; 83 84 static nv_alloc_t nv_alloc_pushpage_def = { 85 &spl_pushpage_ops_def, 86 NULL 87 }; 88 89 static nv_alloc_t nv_alloc_nosleep_def = { 90 &spl_nosleep_ops_def, 91 NULL 92 }; 93 94 nv_alloc_t *const nv_alloc_sleep = &nv_alloc_sleep_def; 95 nv_alloc_t *const nv_alloc_pushpage = &nv_alloc_pushpage_def; 96 nv_alloc_t *const nv_alloc_nosleep = &nv_alloc_nosleep_def; 97