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4deaff791c
Add UCLASS_HASH for hash driver development. Thus the hash drivers (SW or HW-accelerated) can be developed in the DM-based fashion. Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (c) 2021 ASPEED Technology Inc.
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*/
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#ifndef _UBOOT_HASH_H
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#define _UBOOT_HASH_H
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enum HASH_ALGO {
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HASH_ALGO_CRC16_CCITT,
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HASH_ALGO_CRC32,
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HASH_ALGO_MD5,
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HASH_ALGO_SHA1,
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HASH_ALGO_SHA256,
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HASH_ALGO_SHA384,
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HASH_ALGO_SHA512,
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HASH_ALGO_NUM,
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HASH_ALGO_INVALID = 0xffffffff,
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};
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/* general APIs for hash algo information */
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enum HASH_ALGO hash_algo_lookup_by_name(const char *name);
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ssize_t hash_algo_digest_size(enum HASH_ALGO algo);
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const char *hash_algo_name(enum HASH_ALGO algo);
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/* device-dependent APIs */
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int hash_digest(struct udevice *dev, enum HASH_ALGO algo,
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const void *ibuf, const uint32_t ilen,
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void *obuf);
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int hash_digest_wd(struct udevice *dev, enum HASH_ALGO algo,
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const void *ibuf, const uint32_t ilen,
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void *obuf, uint32_t chunk_sz);
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int hash_init(struct udevice *dev, enum HASH_ALGO algo, void **ctxp);
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int hash_update(struct udevice *dev, void *ctx, const void *ibuf, const uint32_t ilen);
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int hash_finish(struct udevice *dev, void *ctx, void *obuf);
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/*
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* struct hash_ops - Driver model for Hash operations
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*
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* The uclass interface is implemented by all hash devices
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* which use driver model.
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*/
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struct hash_ops {
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/* progressive operations */
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int (*hash_init)(struct udevice *dev, enum HASH_ALGO algo, void **ctxp);
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int (*hash_update)(struct udevice *dev, void *ctx, const void *ibuf, const uint32_t ilen);
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int (*hash_finish)(struct udevice *dev, void *ctx, void *obuf);
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/* all-in-one operation */
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int (*hash_digest)(struct udevice *dev, enum HASH_ALGO algo,
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const void *ibuf, const uint32_t ilen,
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void *obuf);
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/* all-in-one operation with watchdog triggering every chunk_sz */
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int (*hash_digest_wd)(struct udevice *dev, enum HASH_ALGO algo,
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const void *ibuf, const uint32_t ilen,
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void *obuf, uint32_t chunk_sz);
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};
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#endif
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