projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 = { | |
| d1d7e268 MK |
56 | NULL, /* nv_ao_init() */ |
| 57 | NULL, /* nv_ao_fini() */ | |
| 58 | nv_alloc_sleep_spl, /* nv_ao_alloc() */ | |
| 59 | nv_free_spl, /* nv_ao_free() */ | |
| 60 | NULL /* nv_ao_reset() */ | |
| c28b2279 BB |
61 | }; |
| 62 | ||
| 81eaf151 | 63 | const nv_alloc_ops_t spl_pushpage_ops_def = { |
| d1d7e268 MK |
64 | NULL, /* nv_ao_init() */ |
| 65 | NULL, /* nv_ao_fini() */ | |
| 66 | nv_alloc_pushpage_spl, /* nv_ao_alloc() */ | |
| 67 | nv_free_spl, /* nv_ao_free() */ | |
| 68 | NULL /* nv_ao_reset() */ | |
| 81eaf151 BB |
69 | }; |
| 70 | ||
| c28b2279 | 71 | const nv_alloc_ops_t spl_nosleep_ops_def = { |
| d1d7e268 MK |
72 | NULL, /* nv_ao_init() */ |
| 73 | NULL, /* nv_ao_fini() */ | |
| 74 | nv_alloc_nosleep_spl, /* nv_ao_alloc() */ | |
| 75 | nv_free_spl, /* nv_ao_free() */ | |
| 76 | NULL /* nv_ao_reset() */ | |
| 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; |