On Feb 27, 2013, at 6:04 AM, Sethi Varun-B16395 wrote: > Hi Kumar,Ben, > I am implementing the Freescale PAMU (IOMMU) driver using the Linux IOMMU > API. In this particular patch, I have added a new field to dev_archdata > structure to store the dma domain information. > This field is updated whenever we attach a device to an iommu domain. > > Regards > Varun
Would be good to see if this overlaps with Alexey's work for IOMMU driver for powernv. - k > >> -----Original Message----- >> From: Joerg Roedel [mailto:j...@8bytes.org] >> Sent: Wednesday, February 27, 2013 5:01 PM >> To: Sethi Varun-B16395 >> Cc: io...@lists.linux-foundation.org; linuxppc-dev@lists.ozlabs.org; >> linux-ker...@vger.kernel.org; Wood Scott-B07421; Yoder Stuart-B08248 >> Subject: Re: [PATCH 1/6 v8] iommu/fsl: Store iommu domain information >> pointer in archdata. >> >> On Mon, Feb 18, 2013 at 06:22:14PM +0530, Varun Sethi wrote: >>> 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> >>> --- >>> - no change. >>> 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; >> >> Please Cc the PowerPC Maintainers on this, so that they can have a look >> at it. This also must be put this into an #ifdef CONFIG_IOMMU_API. >> >> >> Joerg >> >> > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
