lib/libnvpair/nvpair_alloc_system.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
  28
  29 #include <rpc/types.h>
  30 #include <sys/kmem.h>
  31 #include <sys/nvpair.h>
  32
  33 static void *
  34 nv_alloc_sys(nv_alloc_t *nva, size_t size)
  35 {
  36         return (kmem_alloc(size, (int)(uintptr_t)nva->nva_arg));
  37 }
  38
  39 static void
  40 nv_free_sys(nv_alloc_t *nva, void *buf, size_t size)
  41 {
  42         (void) nva;
  43         kmem_free(buf, size);
  44 }
  45
  46 static const nv_alloc_ops_t system_ops = {
  47         NULL,                   /* nv_ao_init() */
  48         NULL,                   /* nv_ao_fini() */
  49         nv_alloc_sys,           /* nv_ao_alloc() */
  50         nv_free_sys,            /* nv_ao_free() */
  51         NULL                    /* nv_ao_reset() */
  52 };
  53
  54 static nv_alloc_t nv_alloc_sleep_def = {
  55         &system_ops,
  56         (void *)KM_SLEEP
  57 };
  58
  59 static nv_alloc_t nv_alloc_nosleep_def = {
  60         &system_ops,
  61         (void *)KM_NOSLEEP
  62 };
  63
  64 nv_alloc_t *const nv_alloc_sleep = &nv_alloc_sleep_def;
  65 nv_alloc_t *const nv_alloc_nosleep = &nv_alloc_nosleep_def;