[PATCH v10 11/22] crypto: amlogic - Introduce hasher

Herbert Xu herbert at gondor.apana.org.au
Fri Nov 15 03:40:34 PST 2024


On Fri, Nov 08, 2024 at 01:28:56PM +0300, Alexey Romanov wrote:
>
> +struct meson_hasher_req_ctx {
> +	u8 state[SHA256_DIGEST_SIZE + 16] ____cacheline_aligned;
> +	u8 partial[SHA256_BLOCK_SIZE] ____cacheline_aligned;
> +	unsigned int partial_size ____cacheline_aligned;

Is this alignment for DMA? If so you cannot use ___cachealign_aligned
to achieve what you want.

Instead of this check out the crypto_ahash_ctx_dma helper.  For
an example driver doing this for DMA, you could look at caam.

Cheers,
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



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