mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 02:08:38 +00:00
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>
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (c) 2021 ASPEED Technology Inc.
|
|
* Author: ChiaWei Wang <chiawei_wang@aspeedtech.com>
|
|
*/
|
|
|
|
#define LOG_CATEGORY UCLASS_HASH
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <asm/global_data.h>
|
|
#include <u-boot/hash.h>
|
|
#include <errno.h>
|
|
#include <fdtdec.h>
|
|
#include <malloc.h>
|
|
#include <asm/io.h>
|
|
#include <linux/list.h>
|
|
|
|
struct hash_info {
|
|
char *name;
|
|
uint32_t digest_size;
|
|
};
|
|
|
|
static const struct hash_info hash_info[HASH_ALGO_NUM] = {
|
|
[HASH_ALGO_CRC16_CCITT] = { "crc16-ccitt", 2 },
|
|
[HASH_ALGO_CRC32] = { "crc32", 4 },
|
|
[HASH_ALGO_MD5] = { "md5", 16 },
|
|
[HASH_ALGO_SHA1] = { "sha1", 20 },
|
|
[HASH_ALGO_SHA256] = { "sha256", 32 },
|
|
[HASH_ALGO_SHA384] = { "sha384", 48 },
|
|
[HASH_ALGO_SHA512] = { "sha512", 64},
|
|
};
|
|
|
|
enum HASH_ALGO hash_algo_lookup_by_name(const char *name)
|
|
{
|
|
int i;
|
|
|
|
if (!name)
|
|
return HASH_ALGO_INVALID;
|
|
|
|
for (i = 0; i < HASH_ALGO_NUM; ++i)
|
|
if (!strcmp(name, hash_info[i].name))
|
|
return i;
|
|
|
|
return HASH_ALGO_INVALID;
|
|
}
|
|
|
|
ssize_t hash_algo_digest_size(enum HASH_ALGO algo)
|
|
{
|
|
if (algo >= HASH_ALGO_NUM)
|
|
return -EINVAL;
|
|
|
|
return hash_info[algo].digest_size;
|
|
}
|
|
|
|
const char *hash_algo_name(enum HASH_ALGO algo)
|
|
{
|
|
if (algo >= HASH_ALGO_NUM)
|
|
return NULL;
|
|
|
|
return hash_info[algo].name;
|
|
}
|
|
|
|
int hash_digest(struct udevice *dev, enum HASH_ALGO algo,
|
|
const void *ibuf, const uint32_t ilen,
|
|
void *obuf)
|
|
{
|
|
struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
|
|
|
|
if (!ops->hash_digest)
|
|
return -ENOSYS;
|
|
|
|
return ops->hash_digest(dev, algo, ibuf, ilen, obuf);
|
|
}
|
|
|
|
int hash_digest_wd(struct udevice *dev, enum HASH_ALGO algo,
|
|
const void *ibuf, const uint32_t ilen,
|
|
void *obuf, uint32_t chunk_sz)
|
|
{
|
|
struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
|
|
|
|
if (!ops->hash_digest_wd)
|
|
return -ENOSYS;
|
|
|
|
return ops->hash_digest_wd(dev, algo, ibuf, ilen, obuf, chunk_sz);
|
|
}
|
|
|
|
int hash_init(struct udevice *dev, enum HASH_ALGO algo, void **ctxp)
|
|
{
|
|
struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
|
|
|
|
if (!ops->hash_init)
|
|
return -ENOSYS;
|
|
|
|
return ops->hash_init(dev, algo, ctxp);
|
|
}
|
|
|
|
int hash_update(struct udevice *dev, void *ctx, const void *ibuf, const uint32_t ilen)
|
|
{
|
|
struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
|
|
|
|
if (!ops->hash_update)
|
|
return -ENOSYS;
|
|
|
|
return ops->hash_update(dev, ctx, ibuf, ilen);
|
|
}
|
|
|
|
int hash_finish(struct udevice *dev, void *ctx, void *obuf)
|
|
{
|
|
struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
|
|
|
|
if (!ops->hash_finish)
|
|
return -ENOSYS;
|
|
|
|
return ops->hash_finish(dev, ctx, obuf);
|
|
}
|
|
|
|
UCLASS_DRIVER(hash) = {
|
|
.id = UCLASS_HASH,
|
|
.name = "hash",
|
|
};
|