diff options
Diffstat (limited to 'include/u-boot')
| -rw-r--r-- | include/u-boot/hash.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/u-boot/hash.h b/include/u-boot/hash.h index f9d47a99a77..7dba66047f5 100644 --- a/include/u-boot/hash.h +++ b/include/u-boot/hash.h @@ -19,6 +19,8 @@ enum HASH_ALGO { HASH_ALGO_INVALID = 0xffffffff, }; +struct udevice; + /* general APIs for hash algo information */ enum HASH_ALGO hash_algo_lookup_by_name(const char *name); ssize_t hash_algo_digest_size(enum HASH_ALGO algo); @@ -31,6 +33,24 @@ int hash_digest(struct udevice *dev, enum HASH_ALGO algo, int hash_digest_wd(struct udevice *dev, enum HASH_ALGO algo, const void *ibuf, const uint32_t ilen, void *obuf, uint32_t chunk_sz); +/** + * hash_digest_wd_lookup() - Hash with the first provider supporting an algorithm + * + * Probe each hash device in order and use the first one which supports the + * requested algorithm. Probe failures are remembered while later providers are + * tried. Once a provider accepts an operation, hard failures are returned + * without trying another provider. + * + * @algo: Hash algorithm + * @ibuf: Input buffer + * @ilen: Input buffer length + * @obuf: Output buffer + * @chunk_sz: Watchdog scheduling interval + * Return: 0 on success, -ENODEV if there are no providers, -EOPNOTSUPP if no + * provider supports @algo, or another negative error from a provider + */ +int hash_digest_wd_lookup(enum HASH_ALGO algo, const void *ibuf, + const u32 ilen, void *obuf, u32 chunk_sz); int hash_init(struct udevice *dev, enum HASH_ALGO algo, void **ctxp); int hash_update(struct udevice *dev, void *ctx, const void *ibuf, const uint32_t ilen); int hash_finish(struct udevice *dev, void *ctx, void *obuf); |