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 729B4C4332F for ; Fri, 25 Nov 2022 04:36:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229641AbiKYEgz (ORCPT ); Thu, 24 Nov 2022 23:36:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229569AbiKYEgr (ORCPT ); Thu, 24 Nov 2022 23:36:47 -0500 Received: from formenos.hmeau.com (helcar.hmeau.com [216.24.177.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19A192338F; Thu, 24 Nov 2022 20:36:47 -0800 (PST) Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.94.2 #2 (Debian)) id 1oyQS1-000djS-65; Fri, 25 Nov 2022 12:36:34 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 25 Nov 2022 12:36:33 +0800 From: "Herbert Xu" Date: Fri, 25 Nov 2022 12:36:33 +0800 Subject: [v2 PATCH 3/9] crypto: aead - Add ctx helpers with DMA alignment References: To: Ard Biesheuvel , Will Deacon , Marc Zyngier , Arnd Bergmann , Greg Kroah-Hartman , Andrew Morton , Linus Torvalds , Linux Memory Management List , Linux ARM , Linux Kernel Mailing List , "David S. Miller" , Linux Crypto Mailing List Message-Id: Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org This patch adds helpers to access the aead context structure and request context structure with an added alignment for DMA access. Signed-off-by: Herbert Xu --- include/crypto/internal/aead.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h index d482017f3e20..cd8cb1e921b7 100644 --- a/include/crypto/internal/aead.h +++ b/include/crypto/internal/aead.h @@ -39,6 +39,11 @@ static inline void *crypto_aead_ctx(struct crypto_aead *tfm) return crypto_tfm_ctx(&tfm->base); } +static inline void *crypto_aead_ctx_dma(struct crypto_aead *tfm) +{ + return crypto_tfm_ctx_dma(&tfm->base); +} + static inline struct crypto_instance *aead_crypto_instance( struct aead_instance *inst) { @@ -65,6 +70,16 @@ static inline void *aead_request_ctx(struct aead_request *req) return req->__ctx; } +static inline void *aead_request_ctx_dma(struct aead_request *req) +{ + unsigned int align = crypto_dma_align(); + + if (align <= crypto_tfm_ctx_alignment()) + align = 1; + + return PTR_ALIGN(aead_request_ctx(req), align); +} + static inline void aead_request_complete(struct aead_request *req, int err) { req->base.complete(&req->base, err); @@ -108,6 +123,13 @@ static inline void crypto_aead_set_reqsize(struct crypto_aead *aead, aead->reqsize = reqsize; } +static inline void crypto_aead_set_reqsize_dma(struct crypto_aead *aead, + unsigned int reqsize) +{ + reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1); + aead->reqsize = reqsize; +} + static inline void aead_init_queue(struct aead_queue *queue, unsigned int max_qlen) { 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 9C52CC4332F for ; Fri, 25 Nov 2022 04:38:11 +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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:To:References: Subject:Date:From:Reply-To:Cc:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: List-Owner; bh=Z2yCOAUPb26Q6PPLC1jGK/tT+/xbklr7vjTY1qjeTvQ=; b=U5n9OeDf45y+G0 D8Po0vfIDZLh6ClBwbdZYhuZ1WMZ1bbvmOdKi4EYRCvSfp7rg3aUaDDo3Pk1ZL0KyWk0ub3l0nVe0 R6H365+i6w1vXsw03L99PLrJ65x6SSoZUGiD2QDQ92/3hTZYeolG9OprRSgIMoAIVDW4Wz9wwVXT8 QJMfLeJU7j0u6ASAEGEzaJI4/ui7akv6JbpQc6IchoRbpYd99vXpK8m6Rn8n975HVX4KHTbI4eaWu 7RkU2g0boL8C3tYrWVPz01Ry7ohD2CNGPkS/WA1gndPP2I3rOFy4K8NJYb8VgzixtmTS8P2jWvsye ecNqVBbdCmxNywWJP2vw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oyQSh-00Cnvs-PJ; Fri, 25 Nov 2022 04:37:15 +0000 Received: from helcar.hmeau.com ([216.24.177.18] helo=formenos.hmeau.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oyQSB-00Cnfg-MF for linux-arm-kernel@lists.infradead.org; Fri, 25 Nov 2022 04:36:45 +0000 Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.94.2 #2 (Debian)) id 1oyQS1-000djS-65; Fri, 25 Nov 2022 12:36:34 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 25 Nov 2022 12:36:33 +0800 From: "Herbert Xu" Date: Fri, 25 Nov 2022 12:36:33 +0800 Subject: [v2 PATCH 3/9] crypto: aead - Add ctx helpers with DMA alignment References: To: Ard Biesheuvel , Will Deacon , Marc Zyngier , Arnd Bergmann , Greg Kroah-Hartman , Andrew Morton , Linus Torvalds , Linux Memory Management List , Linux ARM , Linux Kernel Mailing List , "David S. Miller" , Linux Crypto Mailing List Message-Id: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221124_203643_776041_7AEC267E X-CRM114-Status: GOOD ( 10.14 ) 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: , MIME-Version: 1.0 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 This patch adds helpers to access the aead context structure and request context structure with an added alignment for DMA access. Signed-off-by: Herbert Xu --- include/crypto/internal/aead.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/include/crypto/internal/aead.h b/include/crypto/internal/aead.h index d482017f3e20..cd8cb1e921b7 100644 --- a/include/crypto/internal/aead.h +++ b/include/crypto/internal/aead.h @@ -39,6 +39,11 @@ static inline void *crypto_aead_ctx(struct crypto_aead *tfm) return crypto_tfm_ctx(&tfm->base); } +static inline void *crypto_aead_ctx_dma(struct crypto_aead *tfm) +{ + return crypto_tfm_ctx_dma(&tfm->base); +} + static inline struct crypto_instance *aead_crypto_instance( struct aead_instance *inst) { @@ -65,6 +70,16 @@ static inline void *aead_request_ctx(struct aead_request *req) return req->__ctx; } +static inline void *aead_request_ctx_dma(struct aead_request *req) +{ + unsigned int align = crypto_dma_align(); + + if (align <= crypto_tfm_ctx_alignment()) + align = 1; + + return PTR_ALIGN(aead_request_ctx(req), align); +} + static inline void aead_request_complete(struct aead_request *req, int err) { req->base.complete(&req->base, err); @@ -108,6 +123,13 @@ static inline void crypto_aead_set_reqsize(struct crypto_aead *aead, aead->reqsize = reqsize; } +static inline void crypto_aead_set_reqsize_dma(struct crypto_aead *aead, + unsigned int reqsize) +{ + reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1); + aead->reqsize = reqsize; +} + static inline void aead_init_queue(struct aead_queue *queue, unsigned int max_qlen) { _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel