// SPDX-License-Identifier: LGPL-2.1-or-later /* * OPAL utilities * * Copyright (C) 2022-2023 Luca Boccassi * 2023 Ondrej Kozina */ #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