On Sep 19, 2012, at 8:17 AM, <b16...@freescale.com> <b16...@freescale.com>
wrote:
> From: Varun Sethi <varun.se...@freescale.com>
>
> 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 <varun.se...@freescale.com>
> ---
> arch/powerpc/include/asm/device.h | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
Not too familiar, but what does the IBM Server IOMMU do for iommu_domain?
>
> 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
>
>
> --
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