Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751238AbVILOzI (ORCPT ); Mon, 12 Sep 2005 10:55:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751244AbVILOzH (ORCPT ); Mon, 12 Sep 2005 10:55:07 -0400 Received: from ra.tuxdriver.com ([24.172.12.4]:1543 "EHLO ra.tuxdriver.com") by vger.kernel.org with ESMTP id S1751238AbVILOzG (ORCPT ); Mon, 12 Sep 2005 10:55:06 -0400 Date: Mon, 12 Sep 2005 10:48:51 -0400 From: "John W. Linville" To: linux-kernel@vger.kernel.org, discuss@x86-64.org Cc: ak@suse.de Subject: [patch 2.6.13 6/6] x86_64: implement dma_sync_single_range_for_{cpu,device} Message-ID: <09122005104851.31248@bilbo.tuxdriver.com> In-Reply-To: <09122005104851.31184@bilbo.tuxdriver.com> User-Agent: PatchPost/0.1 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1658 Lines: 52 Implement dma_sync_single_range_for_{cpu,device} for x86_64. This makes use of swiotlb_sync_single_range_for_{cpu,device}. Signed-off-by: John W. Linville --- include/asm-x86_64/dma-mapping.h | 28 ++++++++++++++++++++++++++++ 1 files changed, 28 insertions(+) diff --git a/include/asm-x86_64/dma-mapping.h b/include/asm-x86_64/dma-mapping.h --- a/include/asm-x86_64/dma-mapping.h +++ b/include/asm-x86_64/dma-mapping.h @@ -85,6 +85,34 @@ static inline void dma_sync_single_for_d flush_write_buffers(); } +static inline void dma_sync_single_range_for_cpu(struct device *hwdev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (direction == DMA_NONE) + out_of_line_bug(); + + if (swiotlb) + return swiotlb_sync_single_range_for_cpu(hwdev,dma_handle,offset,size,direction); + + flush_write_buffers(); +} + +static inline void dma_sync_single_range_for_device(struct device *hwdev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, int direction) +{ + if (direction == DMA_NONE) + out_of_line_bug(); + + if (swiotlb) + return swiotlb_sync_single_range_for_device(hwdev,dma_handle,offset,size,direction); + + flush_write_buffers(); +} + static inline void dma_sync_sg_for_cpu(struct device *hwdev, struct scatterlist *sg, int nelems, int direction) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/