From patchwork Thu Jun 2 15:39:07 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 9170825 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EBAF7607DA for ; Fri, 10 Jun 2016 23:38:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB6AA28210 for ; Fri, 10 Jun 2016 23:38:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CEE272835D; Fri, 10 Jun 2016 23:38:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C78C828210 for ; Fri, 10 Jun 2016 23:38:39 +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 1bBW0c-0005O2-5r; Fri, 10 Jun 2016 23:38:38 +0000 Received: from mailout4.w1.samsung.com ([210.118.77.14]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b8Ujs-0001JP-Qa; Thu, 02 Jun 2016 15:40:57 +0000 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout4.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0O8500AJ2I7SB610@mailout4.w1.samsung.com>; Thu, 02 Jun 2016 16:40:41 +0100 (BST) X-AuditID: cbfec7f4-f796c6d000001486-de-575053785675 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm1.samsung.com (EUCPMTA) with SMTP id E8.0A.05254.87350575; Thu, 2 Jun 2016 16:40:40 +0100 (BST) Received: from AMDC2174.DIGITAL.local ([106.120.53.17]) by eusync1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0O85008BCI6FXK50@eusync1.samsung.com>; Thu, 02 Jun 2016 16:40:40 +0100 (BST) From: Krzysztof Kozlowski To: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Stefano Stabellini , Catalin Marinas , Will Deacon , Haavard Skinnemoen , Hans-Christian Egtvedt , Steven Miao , Mark Salter , Aurelien Jacquiot , Mikael Starvik , Jesper Nilsson , Yoshinori Sato , Richard Kuo , Tony Luck , Fenghua Yu , Konrad Rzeszutek Wilk , Geert Uytterhoeven , James Hogan , Michal Simek , Ralf Baechle , David Howells , Ley Foon Tan , Jonas Bonn , "James E.J. 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Peter Anvin" , x86@kernel.org, Boris Ostrovsky , David Vrabel , Juergen Gross , Muli Ben-Yehuda , Bjorn Helgaas , David Airlie , Joerg Roedel , David Woodhouse , Andrew Morton , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, adi-buildroot-devel@lists.sourceforge.net, linux-c6x-dev@linux-c6x.org, linux-cris-kernel@axis.com, uclinux-h8-devel@lists.sourceforge.jp, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-am33-list@redhat.com, nios2-dev@lists.rocketboards.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, discuss@x86-64.org, linux-pci@vger.kernel.org, linux-xtensa@linux-xtensa.org, dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-rdma@vger.kernel.org, iommu@lists.linux-foundation.org, linux-media@vger.kernel.org, linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org Subject: [RFC v3 05/45] ARM: dma-mapping: Use unsigned long for dma_attrs Date: Thu, 02 Jun 2016 17:39:07 +0200 Message-id: <1464881987-13203-6-git-send-email-k.kozlowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1464881987-13203-1-git-send-email-k.kozlowski@samsung.com> References: <1464881987-13203-1-git-send-email-k.kozlowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAAzWSfUxTZxTGee97v+jscldF32imSZNlETMV3eaJbkb/8ho1YnQhcQlS9QaM lJLWKviRVGqLMpBKqUCBitJBQShfWQYaRBoHgqvS0KBTCwQUQTfo3NiEMrZ2xP9+z3mek3Ny cnisCDDL+WNpJyRtmipVycroB/Pd/Z9l7I9PWD9nF+BSW4iD7kYDC3kPeygoa6hj4Z+CLg6a ihsYCGaZMDizUsBXZKJhqioXQbVrDwy9fYZgMitEw/xvv2LwT0+xcKXGiuE79wgH5qvboeyV F8HY03YKnBNbofPJXxw8sNyg4GrTMng3bQw39jZhqOjYApOOcQxD7loGXnnsGMp+2QBzJUEK LpU2cvBmPA6qKl8ieGl5zsJk4B4Ce0eAhubRAQaudHg5uFdqocB1043hutlJw/3LQQamLrSy ELw4yUD/rTIWql/UY8ht/CEsjb7IVtk0WGwFHJQ682kY6e2jwOvoZmHMk0fD2+F/MViuGzEU P7oTvsdcIQbT83oKarz1HHhs7QhCf88z2w6KLzodlGhqt7BinaMOif0DPiyGZguQ+NgdL76x WsKly3mU2DniYcUbEwZabLMHODH4e6JY0awXS20DSMxt+xmJLa7Y+C8Pyr46KqUeOylp121N kqVMFNWz6U8qUYY16KcN6JEJ5SCeJ8LnJNt3OAdFh3Ep6RtsYHOQjFcI3yNiHZzBC+I8RXqe VnCRFCtsJC3Vzv9TS4QmQgyjPhwxsHCWTHTPoggvFnYS68wwFZlAC5+Q4jZ1BOXCDnLXrlsY tpL0dFmZCEcLInE21NARVoQjPmMLY0HyChRVi2Ik/ZF03eFkddxanUqt06clrz2iUTejhaf7 sxVVdm32IIFHykVy1+q9CQpGdVKXqfYgwmPlErl5T3yCQn5UlXla0moOafWpks6DVvC0cpm8 /NbUAYWQrDohHZekdEn73qX46OUG1GLcYEv6Ykv52drkjacWrXs9sDhmVdI1W2L048oY27i5 fzP90Xa/f3ZXifmh94Py4bhCWV/KnfzMaZ/b8c25oPanwt23z+Su3te70jmjoVM3cSRtx6eJ 979dMzYkD4x4Pg6dz951KH/Ur1J+7Wr9sUSTfkGfQYyFH0Zp3MzgH0VRJUpal6KKi8Vaneo/ Q53DvHADAAA= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160602_084053_375640_6ABDEE29 X-CRM114-Status: GOOD ( 19.65 ) X-Mailman-Approved-At: Fri, 10 Jun 2016 16:37:14 -0700 X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: hch@infradead.org, Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Split out subsystem specific changes for easier reviews. This will be squashed with main commit. Signed-off-by: Krzysztof Kozlowski --- arch/arm/common/dmabounce.c | 4 +- arch/arm/include/asm/dma-mapping.h | 13 +++-- arch/arm/include/asm/xen/page-coherent.h | 16 +++---- arch/arm/mm/dma-mapping.c | 81 ++++++++++++++++---------------- arch/arm/xen/mm.c | 4 +- 5 files changed, 56 insertions(+), 62 deletions(-) diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 1143c4d5c567..301281645d08 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -310,7 +310,7 @@ static inline void unmap_single(struct device *dev, struct safe_buffer *buf, */ static dma_addr_t dmabounce_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { dma_addr_t dma_addr; int ret; @@ -344,7 +344,7 @@ static dma_addr_t dmabounce_map_page(struct device *dev, struct page *page, * should be) */ static void dmabounce_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, unsigned long attrs) { struct safe_buffer *buf; diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index a83570f10124..d009f7911ffc 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -5,7 +5,6 @@ #include #include -#include #include #include @@ -174,7 +173,7 @@ static inline void dma_mark_clean(void *addr, size_t size) { } * to be the device-viewed address. */ extern void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, - gfp_t gfp, struct dma_attrs *attrs); + gfp_t gfp, unsigned long attrs); /** * arm_dma_free - free memory allocated by arm_dma_alloc @@ -191,7 +190,7 @@ extern void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, * during and after this call executing are illegal. */ extern void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs); + dma_addr_t handle, unsigned long attrs); /** * arm_dma_mmap - map a coherent DMA allocation into user space @@ -208,7 +207,7 @@ extern void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, */ extern int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs); + unsigned long attrs); /* * This can be called during early boot to increase the size of the atomic @@ -262,16 +261,16 @@ extern void dmabounce_unregister_dev(struct device *); * The scatter list versions of the above methods. */ extern int arm_dma_map_sg(struct device *, struct scatterlist *, int, - enum dma_data_direction, struct dma_attrs *attrs); + enum dma_data_direction, unsigned long attrs); extern void arm_dma_unmap_sg(struct device *, struct scatterlist *, int, - enum dma_data_direction, struct dma_attrs *attrs); + enum dma_data_direction, unsigned long attrs); extern void arm_dma_sync_sg_for_cpu(struct device *, struct scatterlist *, int, enum dma_data_direction); extern void arm_dma_sync_sg_for_device(struct device *, struct scatterlist *, int, enum dma_data_direction); extern int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs); + unsigned long attrs); #endif /* __KERNEL__ */ #endif diff --git a/arch/arm/include/asm/xen/page-coherent.h b/arch/arm/include/asm/xen/page-coherent.h index 9408a994cc91..95ce6ac3a971 100644 --- a/arch/arm/include/asm/xen/page-coherent.h +++ b/arch/arm/include/asm/xen/page-coherent.h @@ -2,15 +2,14 @@ #define _ASM_ARM_XEN_PAGE_COHERENT_H #include -#include #include void __xen_dma_map_page(struct device *hwdev, struct page *page, dma_addr_t dev_addr, unsigned long offset, size_t size, - enum dma_data_direction dir, struct dma_attrs *attrs); + enum dma_data_direction dir, unsigned long attrs); void __xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs); + unsigned long attrs); void __xen_dma_sync_single_for_cpu(struct device *hwdev, dma_addr_t handle, size_t size, enum dma_data_direction dir); @@ -18,22 +17,20 @@ void __xen_dma_sync_single_for_device(struct device *hwdev, dma_addr_t handle, size_t size, enum dma_data_direction dir); static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size, - dma_addr_t *dma_handle, gfp_t flags, - struct dma_attrs *attrs) + dma_addr_t *dma_handle, gfp_t flags, unsigned long attrs) { return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs); } static inline void xen_free_coherent_pages(struct device *hwdev, size_t size, - void *cpu_addr, dma_addr_t dma_handle, - struct dma_attrs *attrs) + void *cpu_addr, dma_addr_t dma_handle, unsigned long attrs) { __generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs); } static inline void xen_dma_map_page(struct device *hwdev, struct page *page, dma_addr_t dev_addr, unsigned long offset, size_t size, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, unsigned long attrs) { unsigned long page_pfn = page_to_xen_pfn(page); unsigned long dev_pfn = XEN_PFN_DOWN(dev_addr); @@ -58,8 +55,7 @@ static inline void xen_dma_map_page(struct device *hwdev, struct page *page, } static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, - size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + size_t size, enum dma_data_direction dir, unsigned long attrs) { unsigned long pfn = PFN_DOWN(handle); /* diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index ff7ed5697d3e..ebb3fde99043 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -124,7 +124,7 @@ static void __dma_page_dev_to_cpu(struct page *, unsigned long, */ static dma_addr_t arm_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(page, offset, size, dir); @@ -133,7 +133,7 @@ static dma_addr_t arm_dma_map_page(struct device *dev, struct page *page, static dma_addr_t arm_coherent_dma_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { return pfn_to_dma(dev, page_to_pfn(page)) + offset; } @@ -153,8 +153,7 @@ static dma_addr_t arm_coherent_dma_map_page(struct device *dev, struct page *pag * whatever the device wrote there. */ static void arm_dma_unmap_page(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + size_t size, enum dma_data_direction dir, unsigned long attrs) { if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_dev_to_cpu(pfn_to_page(dma_to_pfn(dev, handle)), @@ -194,12 +193,12 @@ struct dma_map_ops arm_dma_ops = { EXPORT_SYMBOL(arm_dma_ops); static void *arm_coherent_dma_alloc(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs); + dma_addr_t *handle, gfp_t gfp, unsigned long attrs); static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs); + dma_addr_t handle, unsigned long attrs); static int arm_coherent_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs); + unsigned long attrs); struct dma_map_ops arm_coherent_dma_ops = { .alloc = arm_coherent_dma_alloc, @@ -621,7 +620,7 @@ static void __free_from_contiguous(struct device *dev, struct page *page, dma_release_from_contiguous(dev, page, size >> PAGE_SHIFT); } -static inline pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot) +static inline pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot) { prot = dma_get_attr(DMA_ATTR_WRITE_COMBINE, attrs) ? pgprot_writecombine(prot) : @@ -732,7 +731,7 @@ static struct arm_dma_allocator remap_allocator = { static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, pgprot_t prot, bool is_coherent, - struct dma_attrs *attrs, const void *caller) + unsigned long attrs, const void *caller) { u64 mask = get_coherent_dma_mask(dev); struct page *page = NULL; @@ -814,7 +813,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, * virtual and bus address for that space. */ void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, - gfp_t gfp, struct dma_attrs *attrs) + gfp_t gfp, unsigned long attrs) { pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL); @@ -823,7 +822,7 @@ void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, } static void *arm_coherent_dma_alloc(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs) + dma_addr_t *handle, gfp_t gfp, unsigned long attrs) { return __dma_alloc(dev, size, handle, gfp, PAGE_KERNEL, true, attrs, __builtin_return_address(0)); @@ -831,7 +830,7 @@ static void *arm_coherent_dma_alloc(struct device *dev, size_t size, static int __arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { int ret = -ENXIO; #ifdef CONFIG_MMU @@ -859,14 +858,14 @@ static int __arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, */ static int arm_coherent_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { return __arm_dma_mmap(dev, vma, cpu_addr, dma_addr, size, attrs); } int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { #ifdef CONFIG_MMU vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot); @@ -878,7 +877,7 @@ int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, * Free a buffer as defined by the above mapping. */ static void __arm_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs, + dma_addr_t handle, unsigned long attrs, bool is_coherent) { struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); @@ -900,20 +899,20 @@ static void __arm_dma_free(struct device *dev, size_t size, void *cpu_addr, } void arm_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs) + dma_addr_t handle, unsigned long attrs) { __arm_dma_free(dev, size, cpu_addr, handle, attrs, false); } static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs) + dma_addr_t handle, unsigned long attrs) { __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); } int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); int ret; @@ -1046,7 +1045,7 @@ static void __dma_page_dev_to_cpu(struct page *page, unsigned long off, * here. */ int arm_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); struct scatterlist *s; @@ -1080,7 +1079,7 @@ int arm_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, * rules concerning calls here are the same as for dma_unmap_single(). */ void arm_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, unsigned long attrs) { struct dma_map_ops *ops = get_dma_ops(dev); struct scatterlist *s; @@ -1253,7 +1252,7 @@ static inline void __free_iova(struct dma_iommu_mapping *mapping, static const int iommu_order_array[] = { 9, 8, 4, 0 }; static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, - gfp_t gfp, struct dma_attrs *attrs) + gfp_t gfp, unsigned long attrs) { struct page **pages; int count = size >> PAGE_SHIFT; @@ -1342,7 +1341,7 @@ error: } static int __iommu_free_buffer(struct device *dev, struct page **pages, - size_t size, struct dma_attrs *attrs) + size_t size, unsigned long attrs) { int count = size >> PAGE_SHIFT; int i; @@ -1439,7 +1438,7 @@ static struct page **__atomic_get_pages(void *addr) return (struct page **)page; } -static struct page **__iommu_get_pages(void *cpu_addr, struct dma_attrs *attrs) +static struct page **__iommu_get_pages(void *cpu_addr, unsigned long attrs) { struct vm_struct *area; @@ -1484,7 +1483,7 @@ static void __iommu_free_atomic(struct device *dev, void *cpu_addr, } static void *arm_iommu_alloc_attrs(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs) + dma_addr_t *handle, gfp_t gfp, unsigned long attrs) { pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL); struct page **pages; @@ -1532,7 +1531,7 @@ err_buffer: static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, - struct dma_attrs *attrs) + unsigned long attrs) { unsigned long uaddr = vma->vm_start; unsigned long usize = vma->vm_end - vma->vm_start; @@ -1568,7 +1567,7 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, * Must not be called with IRQs disabled. */ void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, - dma_addr_t handle, struct dma_attrs *attrs) + dma_addr_t handle, unsigned long attrs) { struct page **pages; size = PAGE_ALIGN(size); @@ -1595,7 +1594,7 @@ void arm_iommu_free_attrs(struct device *dev, size_t size, void *cpu_addr, static int arm_iommu_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t dma_addr, - size_t size, struct dma_attrs *attrs) + size_t size, unsigned long attrs) { unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; struct page **pages = __iommu_get_pages(cpu_addr, attrs); @@ -1633,7 +1632,7 @@ static int __dma_direction_to_prot(enum dma_data_direction dir) */ static int __map_sg_chunk(struct device *dev, struct scatterlist *sg, size_t size, dma_addr_t *handle, - enum dma_data_direction dir, struct dma_attrs *attrs, + enum dma_data_direction dir, unsigned long attrs, bool is_coherent) { struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev); @@ -1676,7 +1675,7 @@ fail: } static int __iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs, + enum dma_data_direction dir, unsigned long attrs, bool is_coherent) { struct scatterlist *s = sg, *dma = sg, *start = sg; @@ -1734,7 +1733,7 @@ bad_mapping: * obtained via sg_dma_{address,length}. */ int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, struct dma_attrs *attrs) + int nents, enum dma_data_direction dir, unsigned long attrs) { return __iommu_map_sg(dev, sg, nents, dir, attrs, true); } @@ -1752,14 +1751,14 @@ int arm_coherent_iommu_map_sg(struct device *dev, struct scatterlist *sg, * sg_dma_{address,length}. */ int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, struct dma_attrs *attrs) + int nents, enum dma_data_direction dir, unsigned long attrs) { return __iommu_map_sg(dev, sg, nents, dir, attrs, false); } static void __iommu_unmap_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, struct dma_attrs *attrs, - bool is_coherent) + int nents, enum dma_data_direction dir, + unsigned long attrs, bool is_coherent) { struct scatterlist *s; int i; @@ -1786,7 +1785,8 @@ static void __iommu_unmap_sg(struct device *dev, struct scatterlist *sg, * rules concerning calls here are the same as for dma_unmap_single(). */ void arm_coherent_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, struct dma_attrs *attrs) + int nents, enum dma_data_direction dir, + unsigned long attrs) { __iommu_unmap_sg(dev, sg, nents, dir, attrs, true); } @@ -1802,7 +1802,8 @@ void arm_coherent_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, * rules concerning calls here are the same as for dma_unmap_single(). */ void arm_iommu_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, + unsigned long attrs) { __iommu_unmap_sg(dev, sg, nents, dir, attrs, false); } @@ -1855,7 +1856,7 @@ void arm_iommu_sync_sg_for_device(struct device *dev, struct scatterlist *sg, */ static dma_addr_t arm_coherent_iommu_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev); dma_addr_t dma_addr; @@ -1889,7 +1890,7 @@ fail: */ static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { if (!dma_get_attr(DMA_ATTR_SKIP_CPU_SYNC, attrs)) __dma_page_cpu_to_dev(page, offset, size, dir); @@ -1907,8 +1908,7 @@ static dma_addr_t arm_iommu_map_page(struct device *dev, struct page *page, * Coherent IOMMU aware version of arm_dma_unmap_page() */ static void arm_coherent_iommu_unmap_page(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + size_t size, enum dma_data_direction dir, unsigned long attrs) { struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev); dma_addr_t iova = handle & PAGE_MASK; @@ -1932,8 +1932,7 @@ static void arm_coherent_iommu_unmap_page(struct device *dev, dma_addr_t handle, * IOMMU aware version of arm_dma_unmap_page() */ static void arm_iommu_unmap_page(struct device *dev, dma_addr_t handle, - size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + size_t size, enum dma_data_direction dir, unsigned long attrs) { struct dma_iommu_mapping *mapping = to_dma_iommu_mapping(dev); dma_addr_t iova = handle & PAGE_MASK; diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index c5f9a9e3d1f3..fc67ed236a10 100644 --- a/arch/arm/xen/mm.c +++ b/arch/arm/xen/mm.c @@ -98,7 +98,7 @@ static void __xen_dma_page_cpu_to_dev(struct device *hwdev, dma_addr_t handle, void __xen_dma_map_page(struct device *hwdev, struct page *page, dma_addr_t dev_addr, unsigned long offset, size_t size, - enum dma_data_direction dir, struct dma_attrs *attrs) + enum dma_data_direction dir, unsigned long attrs) { if (is_device_dma_coherent(hwdev)) return; @@ -110,7 +110,7 @@ void __xen_dma_map_page(struct device *hwdev, struct page *page, void __xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle, size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs) + unsigned long attrs) { if (is_device_dma_coherent(hwdev))