From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe001.messaging.microsoft.com [216.32.181.181]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id CC5182C007F for ; Wed, 19 Sep 2012 23:20:37 +1000 (EST) Received: from mail161-ch1 (localhost [127.0.0.1]) by mail161-ch1-R.bigfish.com (Postfix) with ESMTP id 6596B1C010A for ; Wed, 19 Sep 2012 13:20:32 +0000 (UTC) Received: from CH1EHSMHS039.bigfish.com (snatpool2.int.messaging.microsoft.com [10.43.68.235]) by mail161-ch1.bigfish.com (Postfix) with ESMTP id C0C3D200056 for ; Wed, 19 Sep 2012 13:20:30 +0000 (UTC) Received: from nmglablinux27.zin33.ap.freescale.net ([10.213.130.145]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id q8JDKQ6E001889 for ; Wed, 19 Sep 2012 06:20:27 -0700 From: To: , , , Subject: [RFC][PATCH 1/3] iommu/fsl: Store iommu domain information pointer in archdata. Date: Wed, 19 Sep 2012 18:47:10 +0530 Message-ID: <1348060632-12997-2-git-send-email-b16395@freescale.com> In-Reply-To: <1348060632-12997-1-git-send-email-b16395@freescale.com> References: <1348060632-12997-1-git-send-email-b16395@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: Varun Sethi List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Varun Sethi Add a new field in the device (powerpc) archdata structure for storing iommu domain information pointer. This pointer is stored when the device is attached to a particular domain. Signed-off-by: Varun Sethi --- arch/powerpc/include/asm/device.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h index 77e97dd..6dc79fe 100644 --- a/arch/powerpc/include/asm/device.h +++ b/arch/powerpc/include/asm/device.h @@ -28,6 +28,10 @@ struct dev_archdata { void *iommu_table_base; } dma_data; + /* IOMMU domain information pointer. This would be set + * when this device is attached to an iommu_domain. + */ + void *iommu_domain; #ifdef CONFIG_SWIOTLB dma_addr_t max_direct_dma_addr; #endif -- 1.7.4.1