45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef __SOC_QCOM_HIBERNATION_H__
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#define __SOC_QCOM_HIBERNATION_H__
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#include <linux/blk_types.h>
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#include <linux/blkdev.h>
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#define AES256_KEY_SIZE 32
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#define NUM_KEYS 2
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#define PAYLOAD_KEY_SIZE (AES256_KEY_SIZE * NUM_KEYS)
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#define RAND_INDEX_SIZE 8
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#define NONCE_LENGTH 8
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#define MAC_LENGTH 16
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#define TIME_STRUCT_LENGTH 48
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#define WRAP_PAYLOAD_LENGTH \
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(PAYLOAD_KEY_SIZE + RAND_INDEX_SIZE + TIME_STRUCT_LENGTH)
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#define AAD_LENGTH 20
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#define AAD_WITH_PAD_LENGTH 32
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#define WRAPPED_KEY_SIZE \
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(AAD_WITH_PAD_LENGTH + WRAP_PAYLOAD_LENGTH + MAC_LENGTH + \
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NONCE_LENGTH)
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#define IV_SIZE 12
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struct qcom_crypto_params {
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unsigned int authsize;
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unsigned int authslot_count;
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unsigned char key_blob[WRAPPED_KEY_SIZE];
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unsigned char iv[IV_SIZE];
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unsigned char aad[12];
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};
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struct hib_bio_batch {
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atomic_t count;
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wait_queue_head_t wait;
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blk_status_t error;
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struct blk_plug plug;
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};
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extern struct block_device *hiber_bdev;
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#endif /* __SOC_QCOM_HIBERNATION_H__ */
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