59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
// SPDX-License-Identifier: LGPL-2.1-or-later
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/*
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* OPAL utilities
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*
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* Copyright (C) 2022-2023 Luca Boccassi <bluca@debian.org>
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* 2023 Ondrej Kozina <okozina@redhat.com>
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*/
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#ifndef _UTILS_OPAL
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#define _UTILS_OPAL
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#include "internal.h"
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struct crypt_lock_handle;
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int opal_setup_ranges(struct crypt_device *cd,
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struct device *dev,
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const struct volume_key *vk,
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uint64_t range_start_blocks,
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uint64_t range_length_blocks,
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uint32_t opal_block_bytes,
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uint32_t segment_number,
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const void *admin_key,
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size_t admin_key_len);
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int opal_lock(struct crypt_device *cd, struct device *dev, uint32_t segment_number);
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int opal_unlock(struct crypt_device *cd,
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struct device *dev,
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uint32_t segment_number,
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const struct volume_key *vk);
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int opal_supported(struct crypt_device *cd, struct device *dev);
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int opal_factory_reset(struct crypt_device *cd,
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struct device *dev,
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const char *password,
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size_t password_len);
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int opal_reset_segment(struct crypt_device *cd,
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struct device *dev,
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uint32_t segment_number,
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const char *password,
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size_t password_len);
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int opal_geometry(struct crypt_device *cd,
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struct device *dev,
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bool *ret_align,
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uint32_t *ret_block_size,
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uint64_t *ret_alignment_granularity_blocks,
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uint64_t *ret_lowest_lba_blocks);
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int opal_range_check_attributes_and_get_lock_state(struct crypt_device *cd,
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struct device *dev,
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uint32_t segment_number,
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const struct volume_key *vk,
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const uint64_t *check_offset_sectors,
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const uint64_t *check_length_sectors,
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bool *ret_read_locked,
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bool *ret_write_locked);
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int opal_exclusive_lock(struct crypt_device *cd,
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struct device *opal_device,
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struct crypt_lock_handle **opal_lock);
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void opal_exclusive_unlock(struct crypt_device *cd, struct crypt_lock_handle *opal_lock);
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#endif
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