Messages in this thread Patch in this message | | | From | Varun Sethi <> | Subject | [PATCH 2/5 v10] powerpc: Add iommu domain pointer to device archdata | Date | Sat, 23 Mar 2013 04:04:58 +0530 |
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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 <Varun.Sethi@freescale.com> --- - 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
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