1 // SPDX-License-Identifier: CDDL-1.0 2 /* 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License, Version 1.0 only 7 * (the "License"). You may not use this file except in compliance 8 * with the License. 9 * 10 * You can obtain a copy of the license at * usr/src/OPENSOLARIS.LICENSE 11 * or https://opensource.org/licenses/CDDL-1.0. 12 * See the License for the specific language governing permissions 13 * and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL HEADER in each 16 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17 * If applicable, add the following below this CDDL HEADER, with the 18 * fields enclosed by brackets "[]" replaced with your own identifying 19 * information: Portions Copyright [yyyy] [name of copyright owner] 20 * 21 * CDDL HEADER END 22 */ 23 /* 24 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #include <sys/nvpair.h> 29 #include <sys/kmem.h> 30 #include <sys/vmem.h> 31 32 static void * 33 nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size) 34 { 35 return (vmem_alloc(size, KM_SLEEP)); 36 } 37 38 static void * 39 nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size) 40 { 41 return (vmem_alloc(size, KM_PUSHPAGE)); 42 } 43 44 static void * 45 nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size) 46 { 47 return (kmem_alloc(size, KM_NOSLEEP)); 48 } 49 50 static void 51 nv_free_spl(nv_alloc_t *nva, void *buf, size_t size) 52 { 53 kmem_free(buf, size); 54 } 55 56 static const nv_alloc_ops_t spl_sleep_ops_def = { 57 .nv_ao_init = NULL, 58 .nv_ao_fini = NULL, 59 .nv_ao_alloc = nv_alloc_sleep_spl, 60 .nv_ao_free = nv_free_spl, 61 .nv_ao_reset = NULL 62 }; 63 64 static const nv_alloc_ops_t spl_pushpage_ops_def = { 65 .nv_ao_init = NULL, 66 .nv_ao_fini = NULL, 67 .nv_ao_alloc = nv_alloc_pushpage_spl, 68 .nv_ao_free = nv_free_spl, 69 .nv_ao_reset = NULL 70 }; 71 72 static const nv_alloc_ops_t spl_nosleep_ops_def = { 73 .nv_ao_init = NULL, 74 .nv_ao_fini = NULL, 75 .nv_ao_alloc = nv_alloc_nosleep_spl, 76 .nv_ao_free = nv_free_spl, 77 .nv_ao_reset = NULL 78 }; 79 80 static nv_alloc_t nv_alloc_sleep_def = { 81 &spl_sleep_ops_def, 82 NULL 83 }; 84 85 static nv_alloc_t nv_alloc_pushpage_def = { 86 &spl_pushpage_ops_def, 87 NULL 88 }; 89 90 static nv_alloc_t nv_alloc_nosleep_def = { 91 &spl_nosleep_ops_def, 92 NULL 93 }; 94 95 nv_alloc_t *const nv_alloc_sleep = &nv_alloc_sleep_def; 96 nv_alloc_t *const nv_alloc_pushpage = &nv_alloc_pushpage_def; 97 nv_alloc_t *const nv_alloc_nosleep = &nv_alloc_nosleep_def; 98