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c28b2279 BB |
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> | |
77aef6f6 | 29 | #include <sys/vmem.h> |
c28b2279 BB |
30 | |
31 | static void * | |
32 | nv_alloc_sleep_spl(nv_alloc_t *nva, size_t size) | |
33 | { | |
77aef6f6 | 34 | return (vmem_alloc(size, KM_SLEEP)); |
c28b2279 BB |
35 | } |
36 | ||
81eaf151 BB |
37 | static void * |
38 | nv_alloc_pushpage_spl(nv_alloc_t *nva, size_t size) | |
39 | { | |
77aef6f6 | 40 | return (vmem_alloc(size, KM_PUSHPAGE)); |
81eaf151 BB |
41 | } |
42 | ||
c28b2279 BB |
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 | const nv_alloc_ops_t spl_sleep_ops_def = { | |
56d8d8ac MW |
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 | |
c28b2279 BB |
61 | }; |
62 | ||
81eaf151 | 63 | const nv_alloc_ops_t spl_pushpage_ops_def = { |
56d8d8ac MW |
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 | |
81eaf151 BB |
69 | }; |
70 | ||
c28b2279 | 71 | const nv_alloc_ops_t spl_nosleep_ops_def = { |
56d8d8ac MW |
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 | |
c28b2279 BB |
77 | }; |
78 | ||
79 | nv_alloc_t nv_alloc_sleep_def = { | |
80 | &spl_sleep_ops_def, | |
81 | NULL | |
82 | }; | |
83 | ||
81eaf151 BB |
84 | nv_alloc_t nv_alloc_pushpage_def = { |
85 | &spl_pushpage_ops_def, | |
86 | NULL | |
87 | }; | |
88 | ||
c28b2279 BB |
89 | nv_alloc_t nv_alloc_nosleep_def = { |
90 | &spl_nosleep_ops_def, | |
91 | NULL | |
92 | }; | |
93 | ||
94 | nv_alloc_t *nv_alloc_sleep = &nv_alloc_sleep_def; | |
81eaf151 | 95 | nv_alloc_t *nv_alloc_pushpage = &nv_alloc_pushpage_def; |
c28b2279 | 96 | nv_alloc_t *nv_alloc_nosleep = &nv_alloc_nosleep_def; |