From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934123Ab3CMSyM (ORCPT ); Wed, 13 Mar 2013 14:54:12 -0400 Received: from [216.32.180.187] ([216.32.180.187]:30284 "EHLO co1outboundpool.messaging.microsoft.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S933043Ab3CMSyJ (ORCPT ); Wed, 13 Mar 2013 14:54:09 -0400 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(zzzz1f42h1ee6h1de0h1202h1e76h1d1ah1d2ahzz8275bhz2dh2a8h668h839he5bhf0ah1288h12a5h12a9h12bdh12e5h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h19b5h1ad9h1b0ah1155h) From: Varun Sethi To: , , , , , , , CC: Varun Sethi Subject: [PATCH 2/5 v9] powerpc: Add iommu domain pointer to device archdata Date: Thu, 14 Mar 2013 00:15:07 +0530 Message-ID: <1363200310-11513-3-git-send-email-Varun.Sethi@freescale.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1363200310-11513-1-git-send-email-Varun.Sethi@freescale.com> References: <1363200310-11513-1-git-send-email-Varun.Sethi@freescale.com> MIME-Version: 1.0 Content-Type: text/plain X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add an iommu domain pointer to device (powerpc) archdata. Devices are attached to iommu domains and this pointer provides a mechanism to correlate between a device and the associated iommu domain. This field is set when a device is attached to a domain. Signed-off-by: Varun Sethi --- arch/powerpc/include/asm/device.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h index 77e97dd..2d5c1c5 100644 --- a/arch/powerpc/include/asm/device.h +++ b/arch/powerpc/include/asm/device.h @@ -28,6 +28,12 @@ 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. + */ +#ifdef CONFIG_IOMMU_API + void *iommu_domain; +#endif #ifdef CONFIG_SWIOTLB dma_addr_t max_direct_dma_addr; #endif -- 1.7.4.1