159 lines
4.9 KiB
C
159 lines
4.9 KiB
C
/*
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Adam Hamsik.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LIB_DM_H_
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#define _LIB_DM_H_
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#include <sys/cdefs.h>
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#include <stddef.h>
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#include <stdint.h>
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__BEGIN_DECLS
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#define DM_DEVICE_PATH "/dev/mapper/control"
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#define IOCTL_TYPE_IN 0x1
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#define IOCTL_TYPE_OUT 0x2
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struct libdm_task;
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struct libdm_cmd;
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struct libdm_target;
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struct libdm_table;
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struct libdm_dev;
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struct libdm_iter;
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typedef struct libdm_task* libdm_task_t;
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typedef struct libdm_cmd* libdm_cmd_t;
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typedef struct libdm_target* libdm_target_t;
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typedef struct libdm_table* libdm_table_t;
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typedef struct libdm_dev* libdm_dev_t;
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typedef struct libdm_iter* libdm_iter_t;
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struct cmd_version {
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const char *cmd;
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uint32_t version[3];
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};
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void libdm_iter_destroy(libdm_iter_t);
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libdm_task_t libdm_task_create(const char *);
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void libdm_task_destroy(libdm_task_t);
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char *libdm_task_get_command(libdm_task_t);
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int32_t libdm_task_get_cmd_version(libdm_task_t, uint32_t *, size_t);
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int libdm_task_set_name(const char *, libdm_task_t);
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char *libdm_task_get_name(libdm_task_t);
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int libdm_task_set_uuid(const char *, libdm_task_t);
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char *libdm_task_get_uuid(libdm_task_t);
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int libdm_task_set_minor(uint32_t, libdm_task_t);
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uint32_t libdm_task_get_minor(libdm_task_t);
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uint32_t libdm_task_get_flags(libdm_task_t);
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void libdm_task_set_flags(libdm_task_t, uint32_t);
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void libdm_task_set_suspend_flag(libdm_task_t);
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void libdm_task_del_suspend_flag(libdm_task_t);
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void libdm_task_set_status_flag(libdm_task_t);
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void libdm_task_del_status_flag(libdm_task_t);
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void libdm_task_set_exists_flag(libdm_task_t);
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void libdm_task_del_exists_flag(libdm_task_t);
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void libdm_task_set_nocount_flag(libdm_task_t);
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void libdm_task_del_nocount_flag(libdm_task_t);
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uint32_t libdm_task_get_target_num(libdm_task_t);
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int32_t libdm_task_get_open_num(libdm_task_t);
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uint32_t libdm_task_get_event_num(libdm_task_t);
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int libdm_task_set_cmd(libdm_cmd_t, libdm_task_t);
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libdm_cmd_t libdm_task_get_cmd(libdm_task_t);
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/* cmd_data dictionary entry manipulating functions */
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libdm_cmd_t libdm_cmd_create(void);
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void libdm_cmd_destroy(libdm_cmd_t);
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libdm_iter_t libdm_cmd_iter_create(libdm_cmd_t);
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int libdm_cmd_set_table(libdm_table_t, libdm_cmd_t);
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/* cmd is array of table dictionaries */
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libdm_table_t libdm_cmd_get_table(libdm_iter_t);
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/* cmd is array of dev dictionaries */
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libdm_dev_t libdm_cmd_get_dev(libdm_iter_t);
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/* cmd is array of target dictonaries */
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libdm_target_t libdm_cmd_get_target(libdm_iter_t);
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/* cmd is array of dev_t's */
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uint64_t libdm_cmd_get_deps(libdm_iter_t);
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/* Table functions. */
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libdm_table_t libdm_table_create(void);
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void libdm_table_destroy(libdm_table_t);
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int libdm_table_set_start(uint64_t, libdm_table_t);
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uint64_t libdm_table_get_start(libdm_table_t);
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int libdm_table_set_length(uint64_t, libdm_table_t);
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uint64_t libdm_table_get_length(libdm_table_t);
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int libdm_table_set_target(const char *, libdm_table_t);
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char * libdm_table_get_target(libdm_table_t);
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int libdm_table_set_params(const char *, libdm_table_t);
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char * libdm_table_get_params(libdm_table_t);
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int32_t libdm_table_get_status(libdm_table_t);
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/* Target manipulating functions. */
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void libdm_target_destroy(libdm_target_t);
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char * libdm_target_get_name(libdm_target_t);
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int32_t libdm_target_get_version(libdm_target_t, uint32_t *, size_t);
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/* Dev manipulating functions. */
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void libdm_dev_destroy(libdm_dev_t);
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char * libdm_dev_get_name(libdm_dev_t);
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uint32_t libdm_dev_get_minor(libdm_dev_t);
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int libdm_dev_set_newname(const char *, libdm_cmd_t);
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/* task run routine */
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int libdm_task_run(libdm_task_t);
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__END_DECLS
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#endif /* _LIB_DM_H_ */
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