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// SPDX-License-Identifier: LGPL-2.1-or-later
/*
* OPAL utilities
*
* Copyright (C) 2022-2023 Luca Boccassi <bluca@debian.org>
* Copyright (C) 2023-2025 Ondrej Kozina <okozina@redhat.com>
* Copyright (C) 2024-2025 Milan Broz
*/
#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_blocks,
uint64_t range_length_blocks,
uint32_t opal_block_bytes,
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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