linux-kernel - Re: [PATCH v5 4/4] RISC-V: crypto: add accelerated GCM GHASH implementation

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Message-ID: <ZIw6z7MNJ8Nq1q+k@gondor.apana.org.au>
Date:   Fri, 16 Jun 2023 18:34:55 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     palmer@...belt.com, paul.walmsley@...ive.com,
        aou@...s.berkeley.edu, davem@...emloft.net,
        conor.dooley@...rochip.com, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        christoph.muellner@...ll.eu,
        Heiko Stuebner <heiko.stuebner@...ll.eu>
Subject: Re: [PATCH v5 4/4] RISC-V: crypto: add accelerated GCM GHASH
 implementation

On Mon, Jun 12, 2023 at 11:04:42PM +0200, Heiko Stuebner wrote:
>
> +struct riscv64_ghash_ctx {
> +	void (*ghash_func)(u64 Xi[2], const u128 Htable[16],
> +			   const u8 *inp, size_t len);
> +
> +	/* key used by vector asm */
> +	u128 htable[16];
> +	/* key used by software fallback */
> +	be128 key;

Where is the fallback?

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