Re: IOMMU/DMA API inquiry

2015-02-19 Thread Mark Hounschell
Hi Joerg, Thanks for the response. On 02/18/2015 01:19 PM, j...@8bytes.org >> Joerg Roedel wrote: Hi Mark, On Tue, Feb 17, 2015 at 02:48:03PM -0500, Mark Hounschell wrote: I understand that AMD IOMMU support is not available for 32-bit kernels. I believe the INTEL IOMMU is supported there. No

Re: IOMMU/DMA API inquiry

2015-02-18 Thread j...@8bytes.org >> Joerg Roedel
Hi Mark, On Tue, Feb 17, 2015 at 02:48:03PM -0500, Mark Hounschell wrote: > I understand that AMD IOMMU support is not available for 32-bit > kernels. I believe the INTEL IOMMU is supported there. Not knowing > why, I was curious if that is going to remain that way? Yes, I have no plan on making

IOMMU/DMA API inquiry

2015-02-17 Thread Mark Hounschell
I've searched the Doc tree and web to no avail. I was hoping I might get some answers to a couple of questions that have arisen as a result of actually trying to take advantage of the IOMMU in our out of tree GPL drivers. The AMD IOMMU in particular. I'm currently using the 3.18.x kernel versi