From mboxrd@z Thu Jan 1 00:00:00 1970 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 AEF9AC54EE9 for ; Thu, 1 Sep 2022 12:58:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233752AbiIAM6E (ORCPT ); Thu, 1 Sep 2022 08:58:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233604AbiIAM5e (ORCPT ); Thu, 1 Sep 2022 08:57:34 -0400 Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D8C82C67D for ; Thu, 1 Sep 2022 05:57:24 -0700 (PDT) Received: by mail-wr1-x435.google.com with SMTP id m16so22222556wru.9 for ; Thu, 01 Sep 2022 05:57:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=Lb5wXjXl71KLOn69lH3EgInZyalgQlnigOqDmtk2Tt0=; b=pUjnzyHs3Qtdz4cBIm3pKEkaTlVWFhFgjmHad9LeNzJOeMSMZ0r74SncSGCcgdig54 Tf6eUgDDfEYd180OWu8b/GNhqdolUyqcP64jQfqvX6M8dWA3Ep5q+dQRpMIOd6jvOuJA k21Bt/cHmNIgGNFIwQwFMoxHThiGO8QWSh2M4VOft6gb7/0PXKU50ih3NkwrMwgfwVd3 QM+KYaHvSa7smG8nw1Q4mRCBuYLiMoGQa7e1dy/AwLnIhQKaegOjrb9TEGpZMgtZi3AX qPf9A1v81JjYOlooTDDjs8mWMMWPKo+6Y/nl8gs5H+zkdCI8aCcBZTvnNUbPcIOAFLli Kz3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=Lb5wXjXl71KLOn69lH3EgInZyalgQlnigOqDmtk2Tt0=; b=chbChsMR3M7QwQQQxP4pg0AqBGSHfeALGUTHf6pDOwMy93v0zhzYRIuEq4owGR/beu uLKBF+xcRvAdJwDBBbOF9U/0/fpfVUlwoFCyvagZWWN6TBVhxYvSG8L0YO1vYUkfHNF9 jLx2pGroHD67aiPrXdePmcj22OQt2sMcrfENe8t69gOw3d3rvgnrXC4+k5rKmqXS5NbU t5ILS3j8PP2wY1LL9sb1WYSZbr6Nr+08yioSGwekEaofR5b6tsgAOlD3XiGbs6EoVb/O n333SQYtdgHQ1FxnS5r1ArRqPSwTi4RP/S8HPb1fJeJXEVGRuAaNRAtW5nHeQCr+6EUN z0Vg== X-Gm-Message-State: ACgBeo216GtqvPvAlox4uAqO4Ba9KS4BYpesPrbzFsZINwYosEn3YCK9 te8K7XgsN5TtaGclWD84rqKJmQ== X-Google-Smtp-Source: AA6agR5q85txGe157k35TclTmXbqdUaBdWTF7HQkg94KKyn5yLIrKzBsAzn867WX/GXpgWfPh5wtgw== X-Received: by 2002:a5d:6c6b:0:b0:225:dde:ab40 with SMTP id r11-20020a5d6c6b000000b002250ddeab40mr14723322wrz.690.1662037044057; Thu, 01 Sep 2022 05:57:24 -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 v5-20020a5d59c5000000b002257fd37877sm15556709wry.6.2022.09.01.05.57.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 05:57:23 -0700 (PDT) From: Corentin Labbe To: heiko@sntech.de, herbert@gondor.apana.org.au, ardb@kernel.org, davem@davemloft.net, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, robh+dt@kernel.org, sboyd@kernel.org Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Corentin Labbe , John Keeping Subject: [PATCH v9 07/33] crypto: rockchip: add fallback for ahash Date: Thu, 1 Sep 2022 12:56:44 +0000 Message-Id: <20220901125710.3733083-8-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220901125710.3733083-1-clabbe@baylibre.com> References: <20220901125710.3733083-1-clabbe@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-clk@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 = { -- 2.35.1