From mboxrd@z Thu Jan 1 00:00:00 1970 From: Varun Sethi Subject: [PATCH 2/5 v11] powerpc: Add iommu domain pointer to device archdata Date: Fri, 29 Mar 2013 01:23:59 +0530 Message-ID: <1364500442-20927-3-git-send-email-Varun.Sethi@freescale.com> References: <1364500442-20927-1-git-send-email-Varun.Sethi@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1364500442-20927-1-git-send-email-Varun.Sethi-KZfg59tc24xl57MIdRCFDg@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org, stuart.yoder-KZfg59tc24xl57MIdRCFDg@public.gmane.org, scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, galak-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org, benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org Cc: Varun Sethi List-Id: iommu@lists.linux-foundation.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 --- - no change in v11. - no change in v10. - Added CONFIG_IOMMU_API in v9. 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