# \[RFC\]\[PATCH 1/3\] iommu/fsl: Store iommu domain information pointer in archdata. - From: \ - Date: 2012-09-19 13:20:53 - List: linuxppc-dev - Page: https://ratatoskr.run/linuxppc-dev/2012/09/3925645 - Thread: https://ratatoskr.run/linuxppc-dev/2012/09/3925643/t.md ```text 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 ```