source: mainline/uspace/lib/c/include/types/label.h@ 68b5dd11

/*
 * Copyright (c) 2015 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup libc
 * @{
 */
/** @file
 */

#ifndef LIBC_TYPES_LABEL_H_
#define LIBC_TYPES_LABEL_H_

#include <types/uuid.h>

/** Partition contents */
typedef enum {
        /** Partition is considered empty */
        ptc_empty = 0,
        /** Partition contains a recognized filesystem */
        ptc_fs,
        /** Partition contains unrecognized data */
        ptc_unknown
} label_part_cnt_t;

/** Disk label type */
typedef enum {
        /** No label */
        lt_none,
        /** BIOS Master Boot Record */
        lt_mbr,
        /** UEFI GUID Partition Table */
        lt_gpt
} label_type_t;

#define LT_FIRST lt_mbr
#define LT_LIMIT (lt_gpt + 1)

#define LT_DEFAULT lt_mbr

/** Partition kind */
typedef enum {
        /** Primary partition */
        lpk_primary,
        /** Extended partition */
        lpk_extended,
        /** Logical partition */
        lpk_logical
} label_pkind_t;

/** Label flags */
typedef enum {
        /** Label supports extended (and logical) partitions */
        lf_ext_supp = 0x1,
        /** Partition type is in UUID format (otherwise in small number format) */
        lf_ptype_uuid = 0x2,
        /** Currently it is possible to create a primary partition */
        lf_can_create_pri = 0x4,
        /** Currently it is possible to create an extended partition */
        lf_can_create_ext = 0x8,
        /** Currently it is possible to create a logical partition */
        lf_can_create_log = 0x10,
        /** Currently it is possible to delete a partition */
        lf_can_delete_part = 0x20
} label_flags_t;

/** Partition type format */
typedef enum {
        /** Small number */
        lptf_num,
        /** UUID */
        lptf_uuid
} label_pt_fmt;

/** Partition type */
typedef struct {
        /** Type format */
        label_pt_fmt fmt;
        /** Depending on @c fmt */
        union {
                /* Small number */
                uint8_t num;
                /** UUID */
                uuid_t uuid;
        } t;
} label_ptype_t;

/** Partition content (used to get partition type suggestion) */
typedef enum {
        /** ExFAT */
        lpc_exfat,
        /** Ext4 */
        lpc_ext4,
        /** FAT12 or FAT16 */
        lpc_fat12_16,
        /** FAT32 */
        lpc_fat32,
        /** Minix file system */
        lpc_minix
} label_pcnt_t;

#endif

/** @}
 */