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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22CAEC54FD0 for ; Fri, 24 Apr 2020 14:03:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F23F521569 for ; Fri, 24 Apr 2020 14:03:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="hfEgjRlg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728100AbgDXODQ (ORCPT ); Fri, 24 Apr 2020 10:03:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728431AbgDXOCk (ORCPT ); Fri, 24 Apr 2020 10:02:40 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBC10C09B045 for ; Fri, 24 Apr 2020 07:02:39 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id k1so10979777wrx.4 for ; Fri, 24 Apr 2020 07:02:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=KSaVCb5R/kfhdtt9sMjPgwUadZUPmANMPo71JtvUH48=; b=hfEgjRlgfqwbgWyRrhSpvI5ha5kVX4iHWOFubZqCzrfx0E3F12y1YVq7TClcep2p6l epWSoc0Tw0RBpuFAuKW42UPZEmrIDLHRsSpewOVv10a2HFNKbx2sARcJRFoZl3NjjNgD wBr0OBqKGhWLfn1XJ3uBsflwGYGcrj0V7paonVBf34oTXq1Q79/ZDSp6k5kVC7pMO9ij 5J7Gn3xF6cS7A6/Eqqok3mn+bPlZ0CwRLHBQgJSFR/nPGKGS70ZhosHXE2d/zY/v9tgM s/JgpJ5AkFGDT4k/u1OqqvpvxbcxcatAZpNiJoNSCXH2E713U5RdtWlPk+CrbIOTj8E6 BVIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=KSaVCb5R/kfhdtt9sMjPgwUadZUPmANMPo71JtvUH48=; b=BXjKHo6/KI3qttjdPSst1+KfPeFC6O1CGKc+OfF0S1HQggjzRW+omQpjC9Foo//ra+ 8EkunOYsFIwgRWiruneuT7yoY9TSOTsi6Zc4nozfZDv2t1PsdWwrNq3tym8fFRXojXgT p9OnczhrTpzROWCVAfALzBkziq2pqPKCs1FBlW6XEbH58B9QlIzzh5GXBfN7AerKsaaG 4IbDnkYf67UAdESjg7TSuKavZ/qZwpixzO34DB4RBh13ouAuOeEIilUbzQksDWehytK6 5yN9A+x5Y0KtyFQeDFg1lQOIreNcjAVoPnyos7nt+P8eon9i4kE2Lk9YvoHzb0+sGdqL vu8g== X-Gm-Message-State: AGi0PuaMFOeBFuL/HXTXFWICgrFCNReCdRmS5oPfn6SlF9a8CHsb8Qsy Uk3wSkuIkQtC8uAmhfhfCrZoYw== X-Google-Smtp-Source: APiQypKjliH2Z7XVf4Dw38HCc4bn6hb7L6l2nq13sgfWRKj8wmf0jz5x4er0sb1X6URUOB1/r9z6Ug== X-Received: by 2002:adf:9e08:: with SMTP id u8mr11239367wre.155.1587736958650; Fri, 24 Apr 2020 07:02:38 -0700 (PDT) Received: from localhost.localdomain ([51.15.160.169]) by smtp.googlemail.com with ESMTPSA id v131sm3061051wmb.19.2020.04.24.07.02.35 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 Apr 2020 07:02:37 -0700 (PDT) From: Corentin Labbe To: davem@davemloft.net, herbert@gondor.apana.org.au, mripard@kernel.org, wens@csie.org Cc: linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, Corentin Labbe Subject: [PATCH v2 07/14] crypto: sun8i-ce: move iv data to request context Date: Fri, 24 Apr 2020 14:02:07 +0000 Message-Id: <1587736934-22801-8-git-send-email-clabbe@baylibre.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1587736934-22801-1-git-send-email-clabbe@baylibre.com> References: <1587736934-22801-1-git-send-email-clabbe@baylibre.com> Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Instead of storing IV data in the channel context, store them in the request context. Storing them in the channel structure was conceptualy wrong since they are per request related. Signed-off-by: Corentin Labbe --- .../allwinner/sun8i-ce/sun8i-ce-cipher.c | 27 +++++++++---------- drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h | 10 ++++--- 2 files changed, 19 insertions(+), 18 deletions(-) diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c index a6abb701bfc6..7716fa2d3250 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c @@ -91,7 +91,6 @@ static int sun8i_ce_cipher(struct skcipher_request *areq) struct scatterlist *sg; unsigned int todo, len, offset, ivsize; dma_addr_t addr_iv = 0, addr_key = 0; - void *backup_iv = NULL; u32 common, sym; int flow, i; int nr_sgs = 0; @@ -154,24 +153,24 @@ static int sun8i_ce_cipher(struct skcipher_request *areq) ivsize = crypto_skcipher_ivsize(tfm); if (areq->iv && crypto_skcipher_ivsize(tfm) > 0) { - chan->ivlen = ivsize; - chan->bounce_iv = kzalloc(ivsize, GFP_KERNEL | GFP_DMA); - if (!chan->bounce_iv) { + rctx->ivlen = ivsize; + rctx->bounce_iv = kzalloc(ivsize, GFP_KERNEL | GFP_DMA); + if (!rctx->bounce_iv) { err = -ENOMEM; goto theend_key; } if (rctx->op_dir & CE_DECRYPTION) { - backup_iv = kzalloc(ivsize, GFP_KERNEL); - if (!backup_iv) { + rctx->backup_iv = kzalloc(ivsize, GFP_KERNEL); + if (!rctx->backup_iv) { err = -ENOMEM; goto theend_key; } offset = areq->cryptlen - ivsize; - scatterwalk_map_and_copy(backup_iv, areq->src, offset, - ivsize, 0); + scatterwalk_map_and_copy(rctx->backup_iv, areq->src, + offset, ivsize, 0); } - memcpy(chan->bounce_iv, areq->iv, ivsize); - addr_iv = dma_map_single(ce->dev, chan->bounce_iv, chan->ivlen, + memcpy(rctx->bounce_iv, areq->iv, ivsize); + addr_iv = dma_map_single(ce->dev, rctx->bounce_iv, rctx->ivlen, DMA_TO_DEVICE); cet->t_iv = cpu_to_le32(addr_iv); if (dma_mapping_error(ce->dev, addr_iv)) { @@ -252,17 +251,17 @@ static int sun8i_ce_cipher(struct skcipher_request *areq) theend_iv: if (areq->iv && ivsize > 0) { if (addr_iv) - dma_unmap_single(ce->dev, addr_iv, chan->ivlen, + dma_unmap_single(ce->dev, addr_iv, rctx->ivlen, DMA_TO_DEVICE); offset = areq->cryptlen - ivsize; if (rctx->op_dir & CE_DECRYPTION) { - memcpy(areq->iv, backup_iv, ivsize); - kzfree(backup_iv); + memcpy(areq->iv, rctx->backup_iv, ivsize); + kzfree(rctx->backup_iv); } else { scatterwalk_map_and_copy(areq->iv, areq->dst, offset, ivsize, 0); } - kfree(chan->bounce_iv); + kfree(rctx->bounce_iv); } theend_key: diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h index 0e9eac397e1b..c9c7ef8299e2 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h @@ -129,8 +129,6 @@ struct ce_task { /* * struct sun8i_ce_flow - Information used by each flow * @engine: ptr to the crypto_engine for this flow - * @bounce_iv: buffer which contain the IV - * @ivlen: size of bounce_iv * @complete: completion for the current task on this flow * @status: set to 1 by interrupt if task is done * @t_phy: Physical address of task @@ -139,8 +137,6 @@ struct ce_task { */ struct sun8i_ce_flow { struct crypto_engine *engine; - void *bounce_iv; - unsigned int ivlen; struct completion complete; int status; dma_addr_t t_phy; @@ -183,10 +179,16 @@ struct sun8i_ce_dev { * struct sun8i_cipher_req_ctx - context for a skcipher request * @op_dir: direction (encrypt vs decrypt) for this request * @flow: the flow to use for this request + * @backup_iv: buffer which contain the next IV to store + * @bounce_iv: buffer which contain a copy of IV + * @ivlen: size of bounce_iv */ struct sun8i_cipher_req_ctx { u32 op_dir; int flow; + void *backup_iv; + void *bounce_iv; + unsigned int ivlen; }; /* -- 2.26.2