From patchwork Wed Jul 6 09:03:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corentin LABBE X-Patchwork-Id: 12907631 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E103BC43334 for ; Wed, 6 Jul 2022 09:05:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232696AbiGFJFP (ORCPT ); Wed, 6 Jul 2022 05:05:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232700AbiGFJE6 (ORCPT ); Wed, 6 Jul 2022 05:04:58 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D566422B37 for ; Wed, 6 Jul 2022 02:04:41 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id c131-20020a1c3589000000b003a19b2bce36so5596586wma.4 for ; Wed, 06 Jul 2022 02:04:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Lb5wXjXl71KLOn69lH3EgInZyalgQlnigOqDmtk2Tt0=; b=zzT8S8RHrwSOYDYb4nSxX1Vj2+7cZjylmxpA5nZxp11NT/r63jTYcVVHZVl1lod/vB s4xJiX61UpU/2yD2nDSoAXIUQOjT25go1QRplexRcmJizflXuNntueAVYZ4v4ZLopP8/ gL6ba9Slb3Y8RCW5lRpR8O/XRgUTDBfYs8WszlEED2WevNhp5huie9+dYgrB0wxuN+Bt iaN0wmPl8OrU95zsa3j5H2CK/L2eZYGG0cPCFukjkmOKO5VREcFxavuSxGROA/kv+GHZ kEbvvxkjoCQ+tNJ+fYZc2xx2gOoSiQyhMMtENoQzsznYrFRR1EAxEVMH9i+YrweM2h9E Xbhw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Lb5wXjXl71KLOn69lH3EgInZyalgQlnigOqDmtk2Tt0=; b=c8l+ywECjjo31X8xO9b5G9D9P9gUuDsqp8MLHmZ/J+AmTYDFM0ok6RVSI1CJ69N/BZ vw8kw+Tj0fkhCa3hs+R3ZkWGDXYrqdKdXqZKHtufTibrk3dVlzIL607fV1UASweeAJ+d 5BfgI1hKAypFkvOQ3cNuexJmPEvZgKLI800ZgUmjY7WKkHte5nQ5D7mf1k1//f4gR2oQ fIySGBbNSw+m1ztkXxrK56M0tietYd7S/2R7XYLGFUchCszu5g+ls3JvohOB5khXj7mM uy03u1Lg7OiHFWLze+JTa3qb9PMwTPpPcb7/4PA4n7w8UzNs58ni06qUqXyfAsdM2+qV MirA== X-Gm-Message-State: AJIora+xGPYGp+Iwf7P4B+UDcd/8J9JAOCNUHZlvAVo9n083Fvj4Z2aU wLlFREtw57uunLDeQG3uTYlk2A== X-Google-Smtp-Source: AGRyM1tU/eQs9y3rllPt7O3uf71DaGtNf9lf86F+8T4gDenqt/KrF5cKS5X1r9zX5d+0CXqvHL2xqA== X-Received: by 2002:a7b:cb93:0:b0:3a0:4d00:2517 with SMTP id m19-20020a7bcb93000000b003a04d002517mr41934646wmi.117.1657098280280; Wed, 06 Jul 2022 02:04:40 -0700 (PDT) Received: from localhost.localdomain (laubervilliers-658-1-213-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.googlemail.com with ESMTPSA id v11-20020adfe28b000000b0021d6ef34b2asm5230223wri.51.2022.07.06.02.04.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Jul 2022 02:04:39 -0700 (PDT) From: Corentin Labbe To: heiko@sntech.de, herbert@gondor.apana.org.au, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, p.zabel@pengutronix.de, robh+dt@kernel.org, sboyd@kernel.org Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, john@metanate.com, didi.debian@cknow.org, Corentin Labbe Subject: [PATCH v8 07/33] crypto: rockchip: add fallback for ahash Date: Wed, 6 Jul 2022 09:03:46 +0000 Message-Id: <20220706090412.806101-8-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220706090412.806101-1-clabbe@baylibre.com> References: <20220706090412.806101-1-clabbe@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Adds a fallback for all case hardware cannot handle. Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API") Reviewed-by: John Keeping Signed-off-by: Corentin Labbe --- drivers/crypto/rockchip/rk3288_crypto_ahash.c | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index 49017d1fb510..16009bb0bf16 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -16,6 +16,40 @@ * so we put the fixed hash out when met zero message. */ +static bool rk_ahash_need_fallback(struct ahash_request *req) +{ + struct scatterlist *sg; + + sg = req->src; + while (sg) { + if (!IS_ALIGNED(sg->offset, sizeof(u32))) { + return true; + } + if (sg->length % 4) { + return true; + } + sg = sg_next(sg); + } + return false; +} + +static int rk_ahash_digest_fb(struct ahash_request *areq) +{ + struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); + struct rk_ahash_ctx *tfmctx = crypto_ahash_ctx(tfm); + + ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm); + rctx->fallback_req.base.flags = areq->base.flags & + CRYPTO_TFM_REQ_MAY_SLEEP; + + rctx->fallback_req.nbytes = areq->nbytes; + rctx->fallback_req.src = areq->src; + rctx->fallback_req.result = areq->result; + + return crypto_ahash_digest(&rctx->fallback_req); +} + static int zero_message_process(struct ahash_request *req) { struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); @@ -167,6 +201,9 @@ static int rk_ahash_digest(struct ahash_request *req) struct rk_ahash_ctx *tctx = crypto_tfm_ctx(req->base.tfm); struct rk_crypto_info *dev = tctx->dev; + if (rk_ahash_need_fallback(req)) + return rk_ahash_digest_fb(req); + if (!req->nbytes) return zero_message_process(req); else @@ -309,6 +346,7 @@ static void rk_cra_hash_exit(struct crypto_tfm *tfm) struct rk_ahash_ctx *tctx = crypto_tfm_ctx(tfm); free_page((unsigned long)tctx->dev->addr_vir); + crypto_free_ahash(tctx->fallback_tfm); } struct rk_crypto_tmp rk_ahash_sha1 = {