From patchwork Mon Nov 10 16:13:59 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 5267091 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id CE662C11AC for ; Mon, 10 Nov 2014 16:19:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E0B2A2018E for ; Mon, 10 Nov 2014 16:19:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EE52A20158 for ; Mon, 10 Nov 2014 16:19:36 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xnref-0006gJ-6h; Mon, 10 Nov 2014 16:17:25 +0000 Received: from smtp.citrix.com ([66.165.176.89]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XnrdA-0005Pi-L3 for linux-arm-kernel@lists.infradead.org; Mon, 10 Nov 2014 16:15:54 +0000 X-IronPort-AV: E=Sophos;i="5.07,353,1413244800"; d="scan'208";a="189798980" Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.79) with Microsoft SMTP Server id 14.3.181.6; Mon, 10 Nov 2014 11:14:23 -0500 Received: from kaball.uk.xensource.com ([10.80.2.59]) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1Xnrbe-0000Mx-0v; Mon, 10 Nov 2014 16:14:18 +0000 From: Stefano Stabellini To: Subject: [PATCH v8 07/13] xen: add a dma_addr_t dev_addr argument to xen_dma_map_page Date: Mon, 10 Nov 2014 16:13:59 +0000 Message-ID: <1415636045-24669-7-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-DLP: MIA1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141110_081552_899370_2AA63698 X-CRM114-Status: UNSURE ( 9.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.6 (-----) Cc: Ian.Campbell@citrix.com, Stefano Stabellini , catalin.marinas@arm.com, konrad.wilk@oracle.com, linux-kernel@vger.kernel.org, david.vrabel@citrix.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Stefano Stabellini CC: david.vrabel@citrix.com CC: konrad.wilk@oracle.com --- arch/arm/include/asm/xen/page-coherent.h | 4 ++-- arch/arm64/include/asm/xen/page-coherent.h | 4 ++-- arch/x86/include/asm/xen/page-coherent.h | 4 ++-- drivers/xen/swiotlb-xen.c | 6 ++++-- 4 files changed, 10 insertions(+), 8 deletions(-) diff --git a/arch/arm/include/asm/xen/page-coherent.h b/arch/arm/include/asm/xen/page-coherent.h index d97b0b4..25d450c 100644 --- a/arch/arm/include/asm/xen/page-coherent.h +++ b/arch/arm/include/asm/xen/page-coherent.h @@ -29,8 +29,8 @@ static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, } static inline void xen_dma_map_page(struct device *hwdev, struct page *page, - unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + dma_addr_t dev_addr, unsigned long offset, size_t size, + enum dma_data_direction dir, struct dma_attrs *attrs) { __generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs); } diff --git a/arch/arm64/include/asm/xen/page-coherent.h b/arch/arm64/include/asm/xen/page-coherent.h index dde3fc9..d7cd4c2 100644 --- a/arch/arm64/include/asm/xen/page-coherent.h +++ b/arch/arm64/include/asm/xen/page-coherent.h @@ -20,8 +20,8 @@ static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, } static inline void xen_dma_map_page(struct device *hwdev, struct page *page, - unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + dma_addr_t dev_addr, unsigned long offset, size_t size, + enum dma_data_direction dir, struct dma_attrs *attrs) { } diff --git a/arch/x86/include/asm/xen/page-coherent.h b/arch/x86/include/asm/xen/page-coherent.h index 7f02fe4..acd844c 100644 --- a/arch/x86/include/asm/xen/page-coherent.h +++ b/arch/x86/include/asm/xen/page-coherent.h @@ -22,8 +22,8 @@ static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, } static inline void xen_dma_map_page(struct device *hwdev, struct page *page, - unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) { } + dma_addr_t dev_addr, unsigned long offset, size_t size, + enum dma_data_direction dir, struct dma_attrs *attrs) { } static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, size_t size, enum dma_data_direction dir, diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index ebd8f21..ad2c5eb 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -403,7 +403,7 @@ dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, /* we are not interested in the dma_addr returned by * xen_dma_map_page, only in the potential cache flushes executed * by the function. */ - xen_dma_map_page(dev, page, offset, size, dir, attrs); + xen_dma_map_page(dev, page, dev_addr, offset, size, dir, attrs); return dev_addr; } @@ -417,7 +417,7 @@ dma_addr_t xen_swiotlb_map_page(struct device *dev, struct page *page, return DMA_ERROR_CODE; xen_dma_map_page(dev, pfn_to_page(map >> PAGE_SHIFT), - map & ~PAGE_MASK, size, dir, attrs); + dev_addr, map & ~PAGE_MASK, size, dir, attrs); dev_addr = xen_phys_to_bus(map); /* @@ -574,6 +574,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, return 0; } xen_dma_map_page(hwdev, pfn_to_page(map >> PAGE_SHIFT), + dev_addr, map & ~PAGE_MASK, sg->length, dir, @@ -584,6 +585,7 @@ xen_swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, * xen_dma_map_page, only in the potential cache flushes executed * by the function. */ xen_dma_map_page(hwdev, pfn_to_page(paddr >> PAGE_SHIFT), + dev_addr, paddr & ~PAGE_MASK, sg->length, dir,