module/nvpair/nvpair_alloc_spl.c

   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
  30 static void *
  31 nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size)
  32 {
  33         return (kmem_alloc(size, KM_SLEEP));
  34 }
  35
  36 static void *
  37 nv_alloc_nosleep_spl(nv_alloc_t *nva, size_t size)
  38 {
  39         return (kmem_alloc(size, KM_NOSLEEP));
  40 }
  41
  42 static void
  43 nv_free_spl(nv_alloc_t *nva, void *buf, size_t size)
  44 {
  45         kmem_free(buf, size);
  46 }
  47
  48 const nv_alloc_ops_t spl_sleep_ops_def = {
  49         NULL,                   /* nv_ao_init() */
  50         NULL,                   /* nv_ao_fini() */
  51         nv_alloc_sleep_spl,     /* nv_ao_alloc() */
  52         nv_free_spl,            /* nv_ao_free() */
  53         NULL                    /* nv_ao_reset() */
  54 };
  55
  56 const nv_alloc_ops_t spl_nosleep_ops_def = {
  57         NULL,                   /* nv_ao_init() */
  58         NULL,                   /* nv_ao_fini() */
  59         nv_alloc_nosleep_spl,   /* nv_ao_alloc() */
  60         nv_free_spl,            /* nv_ao_free() */
  61         NULL                    /* nv_ao_reset() */
  62 };
  63
  64 nv_alloc_t nv_alloc_sleep_def = {
  65         &spl_sleep_ops_def,
  66         NULL
  67 };
  68
  69 nv_alloc_t nv_alloc_nosleep_def = {
  70         &spl_nosleep_ops_def,
  71         NULL
  72 };
  73
  74 nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def;
  75 nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def;