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Annotation of src/lib/libdm/dm.h, Revision 1.1

1.1     ! haad        1: /*
        !             2:  * Copyright (c) 2010 The NetBSD Foundation, Inc.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to The NetBSD Foundation
        !             6:  * by Adam Hamsik.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            18:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            19:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            20:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            21:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            22:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            23:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            24:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            25:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            26:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            27:  * POSSIBILITY OF SUCH DAMAGE.
        !            28:  */
        !            29:
        !            30:
        !            31: #ifndef _LIB_DM_H_
        !            32: #define _LIB_DM_H_
        !            33:
        !            34: __BEGIN_DECLS
        !            35:
        !            36: #define DM_DEVICE_PATH "/dev/mapper/control"
        !            37:
        !            38: #define IOCTL_TYPE_IN  0x1
        !            39: #define IOCTL_TYPE_OUT 0x2
        !            40:
        !            41: struct libdm_task;
        !            42: struct libdm_cmd;
        !            43: struct libdm_target;
        !            44: struct libdm_table;
        !            45: struct libdm_dev;
        !            46: struct libdm_iter;
        !            47:
        !            48: typedef struct libdm_task* libdm_task_t;
        !            49: typedef struct libdm_cmd* libdm_cmd_t;
        !            50: typedef struct libdm_target* libdm_target_t;
        !            51: typedef struct libdm_table* libdm_table_t;
        !            52: typedef struct libdm_dev* libdm_dev_t;
        !            53: typedef struct libdm_iter* libdm_iter_t;
        !            54:
        !            55: struct cmd_version {
        !            56:        const char *cmd;
        !            57:        uint32_t version[3];
        !            58: };
        !            59:
        !            60: void libdm_iter_destroy(libdm_iter_t);
        !            61:
        !            62: libdm_task_t libdm_task_create(const char *);
        !            63: void libdm_task_destroy(libdm_task_t);
        !            64:
        !            65: char *libdm_task_get_command(libdm_task_t);
        !            66: int32_t libdm_task_get_cmd_version(libdm_task_t, uint32_t *, size_t);
        !            67:
        !            68: int libdm_task_set_name(const char *, libdm_task_t);
        !            69: char *libdm_task_get_name(libdm_task_t);
        !            70:
        !            71: int libdm_task_set_uuid(const char *, libdm_task_t);
        !            72: char *libdm_task_get_uuid(libdm_task_t);
        !            73:
        !            74: int libdm_task_set_minor(uint32_t, libdm_task_t);
        !            75: uint32_t libdm_task_get_minor(libdm_task_t);
        !            76:
        !            77: uint32_t libdm_task_get_flags(libdm_task_t);
        !            78: void libdm_task_set_flags(libdm_task_t, uint32_t);
        !            79:
        !            80: void libdm_task_set_suspend_flag(libdm_task_t);
        !            81: void libdm_task_del_suspend_flag(libdm_task_t);
        !            82:
        !            83: void libdm_task_set_status_flag(libdm_task_t);
        !            84: void libdm_task_del_status_flag(libdm_task_t);
        !            85:
        !            86: void libdm_task_set_exists_flag(libdm_task_t);
        !            87: void libdm_task_del_exists_flag(libdm_task_t);
        !            88:
        !            89: void libdm_task_set_nocount_flag(libdm_task_t);
        !            90: void libdm_task_del_nocount_flag(libdm_task_t);
        !            91:
        !            92: uint32_t libdm_task_get_target_num(libdm_task_t);
        !            93: int32_t libdm_task_get_open_num(libdm_task_t);
        !            94: uint32_t libdm_task_get_event_num(libdm_task_t);
        !            95:
        !            96: int libdm_task_set_cmd(libdm_cmd_t, libdm_task_t);
        !            97: libdm_cmd_t libdm_task_get_cmd(libdm_task_t);
        !            98:
        !            99: /* cmd_data dictionary entry manipulating functions */
        !           100: libdm_cmd_t libdm_cmd_create(void);
        !           101: void libdm_cmd_destroy(libdm_cmd_t);
        !           102: libdm_iter_t libdm_cmd_iter_create(libdm_cmd_t);
        !           103:
        !           104: int libdm_cmd_set_table(libdm_table_t, libdm_cmd_t);
        !           105:
        !           106: /* cmd is array of table dictionaries */
        !           107: libdm_table_t libdm_cmd_get_table(libdm_iter_t);
        !           108:
        !           109: /* cmd is array of dev dictionaries */
        !           110: libdm_dev_t libdm_cmd_get_dev(libdm_iter_t);
        !           111:
        !           112: /* cmd is array of target dictonaries */
        !           113: libdm_target_t libdm_cmd_get_target(libdm_iter_t);
        !           114: /* cmd is array of dev_t's */
        !           115: uint64_t libdm_cmd_get_deps(libdm_iter_t);
        !           116:
        !           117: /* Table functions. */
        !           118: libdm_table_t libdm_table_create(void);
        !           119: void libdm_table_destroy(libdm_table_t);
        !           120:
        !           121: int libdm_table_set_start(uint64_t, libdm_table_t);
        !           122: uint64_t libdm_table_get_start(libdm_table_t);
        !           123:
        !           124: int libdm_table_set_length(uint64_t, libdm_table_t);
        !           125: uint64_t libdm_table_get_length(libdm_table_t);
        !           126:
        !           127: int libdm_table_set_target(const char *, libdm_table_t);
        !           128: char * libdm_table_get_target(libdm_table_t);
        !           129:
        !           130: int libdm_table_set_params(const char *, libdm_table_t);
        !           131: char * libdm_table_get_params(libdm_table_t);
        !           132:
        !           133: int32_t libdm_table_get_status(libdm_table_t);
        !           134:
        !           135: /* Target manipulating functions. */
        !           136: void libdm_target_destroy(libdm_target_t);
        !           137:
        !           138: char * libdm_target_get_name(libdm_target_t);
        !           139: int32_t libdm_target_get_version(libdm_target_t, uint32_t *, size_t);
        !           140:
        !           141: /* Dev manipulating functions. */
        !           142: void libdm_dev_destroy(libdm_dev_t);
        !           143:
        !           144: char * libdm_dev_get_name(libdm_dev_t);
        !           145: uint32_t libdm_dev_get_minor(libdm_dev_t);
        !           146:
        !           147: int libdm_dev_set_newname(const char *, libdm_cmd_t);
        !           148:
        !           149: /* task run routine */
        !           150: int libdm_task_run(libdm_task_t);
        !           151:
        !           152: __END_DECLS
        !           153:
        !           154: #endif /* _LIB_DM_H_ */

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