linux-kernel - Re: [PATCH v7 3/3] crypto: Add Inside Secure SafeXcel EIP-93 crypto engine support

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Message-ID: <Z1hB2WftNhyGt9oj@gondor.apana.org.au>
Date: Tue, 10 Dec 2024 21:27:53 +0800
From: Herbert Xu <herbert@...dor.apana.org.au>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Antoine Tenart <atenart@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
	Waiman Long <longman@...hat.com>, Boqun Feng <boqun.feng@...il.com>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Bill Wendling <morbo@...gle.com>,
	Justin Stitt <justinstitt@...gle.com>, linux-crypto@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev, upstream@...oha.com,
	Richard van Schagen <vschagen@...oud.com>
Subject: Re: [PATCH v7 3/3] crypto: Add Inside Secure SafeXcel EIP-93 crypto
 engine support

On Tue, Dec 10, 2024 at 01:16:42PM +0100, Christian Marangi wrote:
>
> Oh! Ok, that is neat. Just to make sure everything is clear,
> to complete the request it's the same used for final, the
> ahash_request_complete(). I tought the -EINPROGRESS,
> ahash_request_complete() pattern was only for final.

Correct, the same calling convention applies whether you're doing
update or finup/final.  One difference is that after final/finup
you don't have to export the hash state because it's no longer
defined.

Cheers,
-- 
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