Messages in this thread | | | Subject | Re: [RFC][PATCH 1/3] iommu/fsl: Store iommu domain information pointer in archdata. | From | Kumar Gala <> | Date | Wed, 19 Sep 2012 08:50:14 -0500 |
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On Sep 19, 2012, at 8:17 AM, <b16395@freescale.com> <b16395@freescale.com> wrote:
> From: Varun Sethi <Varun.Sethi@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.Sethi@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 > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
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