File: gpt.h

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libldm 0.2.5-2
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/* libldm
 * Copyright 2012 Red Hat Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <uuid/uuid.h>
#include <stdint.h>

typedef enum {
    GPT_ERROR_OK,
    GPT_ERROR_INVALID,
    GPT_ERROR_READ,
    GPT_ERROR_INVALID_PART
} gpt_error_t;

typedef struct {
    uint64_t first_usable_lba;
    uint64_t last_usable_lba;

    uuid_t disk_guid;

    uint32_t pte_array_len;
    uint32_t pte_size;
} gpt_t;

typedef struct {
    uuid_t type;
    uuid_t guid;
    uint64_t first_lba;
    uint64_t last_lba;
    uint64_t flags;
    char name[72];
} gpt_pte_t;

typedef struct _gpt_handle gpt_handle_t;

int gpt_open(int fd, gpt_handle_t **h);
int gpt_open_secsize(int fd, size_t secsize, gpt_handle_t **h);
void gpt_close(gpt_handle_t *h);

void gpt_get_header(gpt_handle_t *h, gpt_t *gpt);
int gpt_get_pte(gpt_handle_t *h, uint32_t n, gpt_pte_t *part);