From patchwork Wed Sep 19 13:17:10 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sethi Varun-B16395 X-Patchwork-Id: 185035 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id 16D432C02FF for ; Wed, 19 Sep 2012 23:21:41 +1000 (EST) 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-R.bigfish.com (10.43.68.245) by CH1EHSOBE011.bigfish.com (10.43.70.61) with Microsoft SMTP Server id 14.1.225.23; Wed, 19 Sep 2012 13:20:32 +0000 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) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1202h1d1ah1d2ahzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h1155h) Received: from mail161-ch1 (localhost.localdomain [127.0.0.1]) by mail161-ch1 (MessageSwitch) id 1348060830806087_30623; Wed, 19 Sep 2012 13:20:30 +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 mail.freescale.net (70.37.183.190) by CH1EHSMHS039.bigfish.com (10.43.69.248) with Microsoft SMTP Server (TLS) id 14.1.225.23; Wed, 19 Sep 2012 13:20:29 +0000 Received: from tx30smr01.am.freescale.net (10.81.153.31) by 039-SN1MMR1-005.039d.mgd.msft.net (10.84.1.17) with Microsoft SMTP Server (TLS) id 14.2.309.3; Wed, 19 Sep 2012 08:20:28 -0500 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 Received: from nmglablinux27.zin33.ap.freescale.net (localhost [127.0.0.1]) by nmglablinux27.zin33.ap.freescale.net (8.14.4/8.14.4/Debian-2ubuntu1) with ESMTP id q8JDHS6N013044; Wed, 19 Sep 2012 18:47:28 +0530 Received: (from varuns@localhost) by nmglablinux27.zin33.ap.freescale.net (8.14.4/8.14.4/Submit) id q8JDHSB0013043; Wed, 19 Sep 2012 18:47:28 +0530 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> X-Mailer: git-send-email 1.7.4.1 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 X-OriginatorOrg: freescale.net Cc: Varun Sethi X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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