From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailout4.w1.samsung.com (mailout4.w1.samsung.com [210.118.77.14]) by ozlabs.org (Postfix) with ESMTP id 31134B71B9 for ; Fri, 23 Dec 2011 23:38:08 +1100 (EST) MIME-version: 1.0 Content-type: TEXT/PLAIN Received: from euspt2 ([210.118.77.14]) by mailout4.w1.samsung.com (Sun Java(tm) System Messaging Server 6.3-8.04 (built Jul 29 2009; 32bit)) with ESMTP id <0LWN005K4PANDJ40@mailout4.w1.samsung.com> for linuxppc-dev@lists.ozlabs.org; Fri, 23 Dec 2011 12:28:00 +0000 (GMT) Received: from linux.samsung.com ([106.116.38.10]) by spt2.w1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0LWN009B1PAN85@spt2.w1.samsung.com> for linuxppc-dev@lists.ozlabs.org; Fri, 23 Dec 2011 12:27:59 +0000 (GMT) Date: Fri, 23 Dec 2011 13:27:31 +0100 From: Marek Szyprowski Subject: [PATCH 12/14] common: dma-mapping: introduce mmap method In-reply-to: <1324643253-3024-1-git-send-email-m.szyprowski@samsung.com> To: linux-kernel@vger.kernel.org Message-id: <1324643253-3024-13-git-send-email-m.szyprowski@samsung.com> References: <1324643253-3024-1-git-send-email-m.szyprowski@samsung.com> Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Marek Szyprowski , linux-arch@vger.kernel.org, Stephen Rothwell , Jonathan Corbet , x86@kernel.org, Arnd Bergmann , microblaze-uclinux@itee.uq.edu.au, linaro-mm-sig@lists.linaro.org, Andrzej Pietrasiewicz , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, discuss@x86-64.org, Kyungmin Park , linux-alpha@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Introduce new generic mmap method with attributes argument. This method lets drivers to create a userspace mapping for a DMA buffer in generic, architecture independent way. Signed-off-by: Marek Szyprowski Signed-off-by: Kyungmin Park --- include/linux/dma-mapping.h | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 2fc413a..b903a20 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -15,6 +15,9 @@ struct dma_map_ops { void (*free)(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle, struct dma_attrs *attrs); + int (*mmap)(struct device *, struct vm_area_struct *, + void *, dma_addr_t, size_t, struct dma_attrs *attrs); + dma_addr_t (*map_page)(struct device *dev, struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, -- 1.7.1.569.g6f426