From patchwork Fri Jan 9 16:19:26 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 17535 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id 231534760F for ; Sat, 10 Jan 2009 03:21:18 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752410AbZAIQUg (ORCPT ); Fri, 9 Jan 2009 11:20:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753317AbZAIQUc (ORCPT ); Fri, 9 Jan 2009 11:20:32 -0500 Received: from outbound-sin.frontbridge.com ([207.46.51.80]:46152 "EHLO SG2EHSOBE003.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752467AbZAIQTs (ORCPT ); Fri, 9 Jan 2009 11:19:48 -0500 Received: from mail174-sin-R.bigfish.com (10.3.40.3) by SG2EHSOBE003.bigfish.com (10.3.40.23) with Microsoft SMTP Server id 8.1.291.1; 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Fri, 9 Jan 2009 08:19:36 -0800 Received: from SF36EXMB1.amd.com ([172.19.4.24]) by SSVLEXMB1.amd.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 9 Jan 2009 08:19:36 -0800 Received: from lemmy.localdomain ([165.204.77.20]) by SF36EXMB1.amd.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 9 Jan 2009 17:19:30 +0100 Received: by lemmy.localdomain (Postfix, from userid 41430) id BFE1C53C45; Fri, 9 Jan 2009 17:19:30 +0100 (CET) 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 12/16] dma-debug: add checks for sync_single_* Date: Fri, 9 Jan 2009 17:19:26 +0100 Message-ID: <1231517970-20288-13-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 16:19:30.0808 (UTC) FILETIME=[0D16DF80:01C97276] MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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 | 20 ++++++++++++++++++++ 2 files changed, 40 insertions(+), 0 deletions(-) diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index a28a701..f39c2a8 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -46,6 +46,14 @@ extern void debug_alloc_coherent(struct device *dev, size_t size, extern void debug_free_coherent(struct device *dev, size_t size, void *virt, dma_addr_t addr); +extern void debug_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, size_t size, + int direction); + +extern void debug_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) @@ -84,6 +92,18 @@ static inline void debug_free_coherent(struct device *dev, size_t size, { } +static inline void debug_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction) +{ +} + +static inline void debug_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 a4a5b0f..a7f2369 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -649,3 +649,23 @@ void debug_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(debug_free_coherent); +void debug_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, + size_t size, int direction) +{ + if (global_disable) + return; + + check_sync(dev, dma_handle, size, 0, direction, true); +} +EXPORT_SYMBOL(debug_sync_single_for_cpu); + +void debug_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, + size_t size, int direction) +{ + if (global_disable) + return; + + check_sync(dev, dma_handle, size, 0, direction, false); +} +EXPORT_SYMBOL(debug_sync_single_for_device); +