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/*
* OPAL utilities
*
* Copyright (C) 2022-2023 Luca Boccassi <bluca@debian.org>
* 2023 Ondrej Kozina <okozina@redhat.com>
*
* This file 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 2.1 of the License, or (at your option) any later version.
*
* This file 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 file; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _UTILS_OPAL
#define _UTILS_OPAL
#include "internal.h"
struct crypt_lock_handle;
int opal_setup_ranges(struct crypt_device *cd,
struct device *dev,
const struct volume_key *vk,
uint64_t range_start,
uint64_t range_length,
uint32_t segment_number,
const void *admin_key,
size_t admin_key_len);
int opal_lock(struct crypt_device *cd, struct device *dev, uint32_t segment_number);
int opal_unlock(struct crypt_device *cd,
struct device *dev,
uint32_t segment_number,
const struct volume_key *vk);
int opal_supported(struct crypt_device *cd, struct device *dev);
int opal_factory_reset(struct crypt_device *cd,
struct device *dev,
const char *password,
size_t password_len);
int opal_reset_segment(struct crypt_device *cd,
struct device *dev,
uint32_t segment_number,
const char *password,
size_t password_len);
int opal_geometry(struct crypt_device *cd,
struct device *dev,
bool *ret_align,
uint32_t *ret_block_size,
uint64_t *ret_alignment_granularity_blocks,
uint64_t *ret_lowest_lba_blocks);
int opal_range_check_attributes_and_get_lock_state(struct crypt_device *cd,
struct device *dev,
uint32_t segment_number,
const struct volume_key *vk,
const uint64_t *check_offset_sectors,
const uint64_t *check_length_sectors,
bool *ret_read_locked,
bool *ret_write_locked);
int opal_exclusive_lock(struct crypt_device *cd,
struct device *opal_device,
struct crypt_lock_handle **opal_lock);
void opal_exclusive_unlock(struct crypt_device *cd, struct crypt_lock_handle *opal_lock);
#endif
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