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1 | /*****************************************************************************\ |
2 | * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC. | |
3 | * Copyright (C) 2007 The Regents of the University of California. | |
4 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
5 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
6 | * UCRL-CODE-235197 | |
7 | * | |
8 | * This file is part of the SPL, Solaris Porting Layer. | |
9 | * For details, see <http://zfsonlinux.org/>. | |
10 | * | |
11 | * The SPL is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2 of the License, or (at your | |
14 | * option) any later version. | |
15 | * | |
16 | * The SPL is distributed in the hope that it will be useful, but WITHOUT | |
17 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
18 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
19 | * for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License along | |
22 | * with the SPL. If not, see <http://www.gnu.org/licenses/>. | |
23 | \*****************************************************************************/ | |
24 | ||
25 | #ifndef _SPL_DKIOC_UTIL_H | |
26 | #define _SPL_DKIOC_UTIL_H | |
27 | ||
28 | #include <sys/dkio.h> | |
29 | ||
30 | typedef struct dkioc_free_list_ext_s { | |
31 | uint64_t dfle_start; | |
32 | uint64_t dfle_length; | |
33 | } dkioc_free_list_ext_t; | |
34 | ||
35 | typedef struct dkioc_free_list_s { | |
36 | uint64_t dfl_flags; | |
37 | uint64_t dfl_num_exts; | |
38 | int64_t dfl_offset; | |
39 | ||
40 | /* | |
41 | * N.B. this is only an internal debugging API! This is only called | |
42 | * from debug builds of sd for pre-release checking. Remove before GA! | |
43 | */ | |
44 | void (*dfl_ck_func)(uint64_t, uint64_t, void *); | |
45 | void *dfl_ck_arg; | |
46 | ||
47 | dkioc_free_list_ext_t dfl_exts[1]; | |
48 | } dkioc_free_list_t; | |
49 | ||
50 | static inline void dfl_free(dkioc_free_list_t *dfl) { | |
3bf657b9 TC |
51 | vmem_free(dfl, DFL_SZ(dfl->dfl_num_exts)); |
52 | } | |
53 | ||
54 | static inline dkioc_free_list_t *dfl_alloc(uint64_t dfl_num_exts, int flags) { | |
55 | return vmem_zalloc(DFL_SZ(dfl_num_exts), flags); | |
e5f9a9af TC |
56 | } |
57 | ||
58 | #endif /* _SPL_DKIOC_UTIL_H */ |