Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754114AbZAIQfv (ORCPT ); Fri, 9 Jan 2009 11:35:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753442AbZAIQfC (ORCPT ); Fri, 9 Jan 2009 11:35:02 -0500 Received: from tx2ehsobe004.messaging.microsoft.com ([65.55.88.14]:33624 "EHLO TX2EHSOBE008.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753358AbZAIQe7 (ORCPT ); Fri, 9 Jan 2009 11:34:59 -0500 X-BigFish: VPS3(zzzzzzz32i43j) X-WSS-ID: 0KD7PCJ-04-WJH-01 From: Joerg Roedel To: linux-kernel@vger.kernel.org CC: mingo@redhat.com, dwmw2@infradead.org, fujita.tomonori@lab.ntt.co.jp, netdev@vger.kernel.org, iommu@lists.linux-foundation.org, Joerg Roedel Subject: [PATCH 14/16] dma-debug: add checks for sync_single_sg_* Date: Fri, 9 Jan 2009 17:19:28 +0100 Message-ID: <1231517970-20288-15-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1231517970-20288-1-git-send-email-joerg.roedel@amd.com> References: <1231517970-20288-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 09 Jan 2009 16:19:30.0873 (UTC) FILETIME=[0D20CA90:01C97276] 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 Content-Length: 2598 Lines: 94 Impact: add debug callbacks for dma_sync_sg_* functions Signed-off-by: Joerg Roedel --- include/linux/dma-debug.h | 19 +++++++++++++++++++ lib/dma-debug.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+), 0 deletions(-) diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index b9c221a..bdba8c8 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -64,6 +64,13 @@ extern void debug_sync_single_range_for_device(struct device *dev, unsigned long offset, size_t size, int direction); +extern void debug_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, + int nelems, int direction); + +extern void debug_sync_sg_for_device(struct device *dev, + struct scatterlist *sg, + int nelems, int direction); + #else /* CONFIG_DMA_API_DEBUG */ static inline void dma_debug_init(u32 num_entries) @@ -130,6 +137,18 @@ static inline void debug_sync_single_range_for_device(struct device *dev, { } +static inline void debug_sync_sg_for_cpu(struct device *dev, + struct scatterlist *sg, + int nelems, int direction) +{ +} + +static inline void debug_sync_sg_for_device(struct device *dev, + struct scatterlist *sg, + int nelems, int direction) +{ +} + #endif /* CONFIG_DMA_API_DEBUG */ #endif /* __DMA_DEBUG_H */ diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 6f73bed..e40c88c 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -692,3 +692,35 @@ void debug_sync_single_range_for_device(struct device *dev, } EXPORT_SYMBOL(debug_sync_single_range_for_device); +void debug_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, + int nelems, int direction) +{ + struct scatterlist *s; + int i; + + if (global_disable) + return; + + for_each_sg(sg, s, nelems, i) { + check_sync(dev, s->dma_address, s->dma_length, 0, + direction, true); + } +} +EXPORT_SYMBOL(debug_sync_sg_for_cpu); + +void debug_sync_sg_for_device(struct device *dev, struct scatterlist *sg, + int nelems, int direction) +{ + struct scatterlist *s; + int i; + + if (global_disable) + return; + + for_each_sg(sg, s, nelems, i) { + check_sync(dev, s->dma_address, s->dma_length, 0, + direction, false); + } +} +EXPORT_SYMBOL(debug_sync_sg_for_device); + -- 1.5.6.4 -- 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/