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/*
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://zfsonlinux.org/>.
*
* The SPL is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The SPL is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the SPL. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SPL_DKIOC_UTIL_H
#define _SPL_DKIOC_UTIL_H
#include <sys/dkio.h>
typedef struct dkioc_free_list_ext_s {
uint64_t dfle_start;
uint64_t dfle_length;
} dkioc_free_list_ext_t;
typedef struct dkioc_free_list_s {
uint64_t dfl_flags;
uint64_t dfl_num_exts;
int64_t dfl_offset;
/*
* N.B. this is only an internal debugging API! This is only called
* from debug builds of sd for pre-release checking. Remove before GA!
*/
void (*dfl_ck_func)(uint64_t, uint64_t, void *);
void *dfl_ck_arg;
dkioc_free_list_ext_t dfl_exts[1];
} dkioc_free_list_t;
static inline void dfl_free(dkioc_free_list_t *dfl) {
vmem_free(dfl, DFL_SZ(dfl->dfl_num_exts));
}
static inline dkioc_free_list_t *dfl_alloc(uint64_t dfl_num_exts, int flags) {
return (vmem_zalloc(DFL_SZ(dfl_num_exts), flags));
}
#endif /* _SPL_DKIOC_UTIL_H */
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