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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 92FCBC433EF for ; Sun, 8 May 2022 20:39:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=46ahUm6p3FrDNrHFAlVcraUEZgqeVcHvkDwfkQrZ2bw=; b=aM9rjNqdo9x0+T ugqrqa52vfQnYYbu9C59T/dxZ0zAc4By6qywypK/4GsDQVJG7FNDMPE0CKihTXD8L074pcw7v91iG cbheeGdxRh8fn3ZNWPVz11C9Koe+7/yX6eogQMuhwug+lQjcThUbbqM1go4uz4W9PVVUXfECiUicP OtdDGpaLnKx74o8HYjRv5PVBOmmGu5rg06hp0I+zndCRi3aIxgmeuvwRLYyvljKQbAVx+y2d9KpVc jFqcZljmCA0mvYw8HW1fbWnJ+3EaN+r32o8HW3jLqoT2P5T2bQZLSDnbEkeqsCysdFOIbck8FMZS3 Z5l23uuUO+NH3pghMHcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnnfE-00BRZ5-W0; Sun, 08 May 2022 20:38:01 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnnWM-00BLwj-KC for linux-arm-kernel@bombadil.infradead.org; Sun, 08 May 2022 20:28:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=yzvgVyreo6slTFAo6yIfKz7ssJtwxUt4QGb+bB9VZnw=; b=pKcLzsQ18gqCUZUBQKbQAaEvcN n+5b2SbaifCXn1Nd+EX8TfTrL/NKpv2cHpeIA2Djd9NjU9Aaz6xH4yyPxGutVUtQOuHjyy/JLeDP/ 7PJiYDPTtfZMaB/36hVEBsIjh9ejj6qED6lmdMr6gKyhI7UcKqhOlgLYdqV/Nqlw8zFJrL5poV0KH PgLTFWnXGNokNoFxDu9NOTjvuPk9gXab1TRClgFnatWcNsU/sCOhOhgA4djwysTNCGCyNftABS6Sf lt+sO0rwEVJ7K6xh3hBaR9WA6ZdS+d6Q6yi3cKvzf4oLGKFKoLzkCCM6ZQkd1OJqgseqgeWOPBEV5 clVnfu9w==; Received: from mail-wr1-x429.google.com ([2a00:1450:4864:20::429]) by desiato.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnm8e-00CL22-BX for linux-arm-kernel@lists.infradead.org; Sun, 08 May 2022 19:00:20 +0000 Received: by mail-wr1-x429.google.com with SMTP id e2so16703976wrh.7 for ; Sun, 08 May 2022 12:00:14 -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=yzvgVyreo6slTFAo6yIfKz7ssJtwxUt4QGb+bB9VZnw=; b=JsiIEZbEorhvcZhNqOJyFrQfGu/JLj+5HxjhV183f6b/htj1yxYBv4yaK5nPWzJ90p oiGnbbjhnbKLrQce2+XWAtZuoR5Tesixo9WBwdHQXcD2fxtOs1iJ9Gybj0N8invS45N/ 1q2++C0HAZkPNs7zUjTDKeZXXNyJD/soyPiF/p9woE5UYqy5HSH3l7gSn/dCZF4cF4Gf xMK2tRuXGkd4IULgkVxaLIi57ZBBbJROh7ryTyRbDyhNr9tf6ajG8Q5Y67reczNcBAK7 ZnTMyIVLeLuPtN4FQx701kI88NQa7tO8cToZAktD/MjRfWL45MgVBEaCqPxtARXCNfeS 7IhA== 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=yzvgVyreo6slTFAo6yIfKz7ssJtwxUt4QGb+bB9VZnw=; b=VQgRV1o0MT3yAFjNMIxBjTpqwfQHpHorW3w+90yHWnqIIfyN3jX9WAcgDszhB1fCsG d6R2g6aKrOIow4cdeCQGx9j0UQnudldPfyDPi6sv4yl5tYCI0pkQoMxz15kBPx9++cbI PZsMPcvQTIZB6BUhhzrNC+vv23MHcORRTfGVGWwCc+GeflVnpLsMM2sxHkxYi2wOY7pV UXlkiSDV699d9/vrWOqnndltYRPqvpAYwgvKw5A8EPaH5KmnxnfQBhzsnRLrv9yS99kJ /YK2uWrd++YPiDeCB4tmdw8AJF/2WCDqtjLfWOwUjwGId7SM7BtsbGhPXMEP6TTnho2z Rb3w== X-Gm-Message-State: AOAM531lkXvX3M0mg5WgPYp97fPaYUH9O/z/hSkhoWTlhRjCmPkOaSnV YoOPJ3Gg3LD6YSKCwRNM28H3sLDtouH8dw== X-Google-Smtp-Source: ABdhPJzctY1kgG5Nzp0gZ1p4e7AznRgsramsEtrcJP0YHQqPAKpQBcF7hn+yKTSdbbPC3zsrMv528A== X-Received: by 2002:a05:6000:1707:b0:20c:660c:7c78 with SMTP id n7-20020a056000170700b0020c660c7c78mr11030537wrc.150.1652036412312; Sun, 08 May 2022 12:00:12 -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 n16-20020a05600c3b9000b00394699f803dsm10552348wms.46.2022.05.08.12.00.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 May 2022 12:00:11 -0700 (PDT) From: Corentin Labbe To: heiko@sntech.de, ardb@kernel.org, herbert@gondor.apana.org.au, krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Corentin Labbe Subject: [PATCH v7 07/33] crypto: rockchip: add fallback for ahash Date: Sun, 8 May 2022 18:59:31 +0000 Message-Id: <20220508185957.3629088-8-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220508185957.3629088-1-clabbe@baylibre.com> References: <20220508185957.3629088-1-clabbe@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220508_200017_319513_1F90938B X-CRM114-Status: GOOD ( 13.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Adds a fallback for all case hardware cannot handle. Fixes: ce0183cb6464b ("crypto: rockchip - switch to skcipher API") 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel