From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755456AbYHGNIj (ORCPT ); Thu, 7 Aug 2008 09:08:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755082AbYHGNHf (ORCPT ); Thu, 7 Aug 2008 09:07:35 -0400 Received: from ie1ehsobe006.messaging.microsoft.com ([213.199.154.16]:50252 "EHLO IE1EHSOBE003.bigfish.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755993AbYHGNHS (ORCPT ); Thu, 7 Aug 2008 09:07:18 -0400 X-BigFish: VPS19(z1039oe80izzz10d3izzz32i43j68o) X-Spam-TCS-SCL: 7:0 X-WSS-ID: 0K58F3D-04-DHM-01 From: Joerg Roedel To: akpm@linux-foundation.org CC: mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com, tony.luck@intel.com, linux-kernel@vger.kernel.org, Joerg Roedel Subject: [PATCH 1/3] introduce generic header file for the software IO/TLB Date: Thu, 7 Aug 2008 15:06:47 +0200 Message-ID: <1218114409-20806-2-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.3.7 In-Reply-To: <1218114409-20806-1-git-send-email-joerg.roedel@amd.com> References: <1218114409-20806-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 07 Aug 2008 13:06:50.0383 (UTC) FILETIME=[7482C1F0:01C8F88E] MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch created the include/linux/swiotlb.h file which contains all function prototypes for the lib/swiotlb.c file. Signed-off-by: Joerg Roedel --- include/linux/swiotlb.h | 83 +++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 83 insertions(+), 0 deletions(-) create mode 100644 include/linux/swiotlb.h diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h new file mode 100644 index 0000000..b18ec55 --- /dev/null +++ b/include/linux/swiotlb.h @@ -0,0 +1,83 @@ +#ifndef __LINUX_SWIOTLB_H +#define __LINUX_SWIOTLB_H + +#include + +struct device; +struct dma_attrs; +struct scatterlist; + +extern void +swiotlb_init(void); + +extern void +*swiotlb_alloc_coherent(struct device *hwdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags); + +extern void +swiotlb_free_coherent(struct device *hwdev, size_t size, + void *vaddr, dma_addr_t dma_handle); + +extern dma_addr_t +swiotlb_map_single(struct device *hwdev, void *ptr, size_t size, int dir); + +extern void +swiotlb_unmap_single(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); + +extern dma_addr_t +swiotlb_map_single_attrs(struct device *hwdev, void *ptr, size_t size, + int dir, struct dma_attrs *attrs); + +extern void +swiotlb_unmap_single_attrs(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir, struct dma_attrs *attrs); + +extern int +swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents, + int direction); + +extern void +swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents, + int direction); + +extern int +swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, + int dir, struct dma_attrs *attrs); + +extern void +swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, + int nelems, int dir, struct dma_attrs *attrs); + +extern void +swiotlb_sync_single_for_cpu(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); + +extern void +swiotlb_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, + int nelems, int dir); + +extern void +swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr, + size_t size, int dir); + +extern void +swiotlb_sync_sg_for_device(struct device *hwdev, struct scatterlist *sg, + int nelems, int dir); + +extern void +swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr, + unsigned long offset, size_t size, int dir); + +extern void +swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr, + unsigned long offset, size_t size, + int dir); + +extern int +swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr); + +extern int +swiotlb_dma_supported(struct device *hwdev, u64 mask); + +#endif /* __LINUX_SWIOTLB_H */ -- 1.5.3.7