Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754371AbZCFNeO (ORCPT ); Fri, 6 Mar 2009 08:34:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753951AbZCFNa4 (ORCPT ); Fri, 6 Mar 2009 08:30:56 -0500 Received: from wa4ehsobe001.messaging.microsoft.com ([216.32.181.11]:7263 "EHLO WA4EHSOBE001.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754042AbZCFNas (ORCPT ); Fri, 6 Mar 2009 08:30:48 -0500 X-BigFish: VPS1(zzzzzzz32i63h) X-Spam-TCS-SCL: 2:0 X-FB-SS: 5, X-WSS-ID: 0KG36UW-02-TL4-01 From: Joerg Roedel To: mingo@redhat.com CC: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Joerg Roedel Subject: [PATCH 12/18] dma-debug: add checks for sync_single_* Date: Fri, 6 Mar 2009 14:30:23 +0100 Message-ID: <1236346229-6618-13-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.5.6.4 In-Reply-To: <1236346229-6618-1-git-send-email-joerg.roedel@amd.com> References: <1236346229-6618-1-git-send-email-joerg.roedel@amd.com> X-OriginalArrivalTime: 06 Mar 2009 13:30:30.0370 (UTC) FILETIME=[B80CD420:01C99E5F] 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: 2548 Lines: 84 Impact: add debug callbacks for dma_sync_single_for_* functions Signed-off-by: Joerg Roedel --- include/linux/dma-debug.h | 20 ++++++++++++++++++++ lib/dma-debug.c | 21 +++++++++++++++++++++ 2 files changed, 41 insertions(+), 0 deletions(-) diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index cb72dfd..0eee7af 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -49,6 +49,14 @@ extern void debug_dma_alloc_coherent(struct device *dev, size_t size, extern void debug_dma_free_coherent(struct device *dev, size_t size, void *virt, dma_addr_t addr); +extern void debug_dma_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, size_t size, + int direction); + +extern void debug_dma_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction); + #else /* CONFIG_DMA_API_DEBUG */ static inline void dma_debug_init(u32 num_entries) @@ -89,6 +97,18 @@ static inline void debug_dma_free_coherent(struct device *dev, size_t size, { } +static inline void debug_dma_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction) +{ +} + +static inline void debug_dma_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction) +{ +} + #endif /* CONFIG_DMA_API_DEBUG */ #endif /* __DMA_DEBUG_H */ diff --git a/lib/dma-debug.c b/lib/dma-debug.c index 44af837..714cfb6 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -737,3 +737,24 @@ void debug_dma_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(debug_dma_free_coherent); +void debug_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, + size_t size, int direction) +{ + if (unlikely(global_disable)) + return; + + check_sync(dev, dma_handle, size, 0, direction, true); +} +EXPORT_SYMBOL(debug_dma_sync_single_for_cpu); + +void debug_dma_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, size_t size, + int direction) +{ + if (unlikely(global_disable)) + return; + + check_sync(dev, dma_handle, size, 0, direction, false); +} +EXPORT_SYMBOL(debug_dma_sync_single_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/