Re: RFC on No ACS Support and SMMUv3 Support

2017-02-14 Thread Sinan Kaya
On 2/14/2017 7:36 AM, Will Deacon wrote: > On Mon, Feb 13, 2017 at 08:54:04PM -0500, Sinan Kaya wrote: >> On 2/13/2017 8:46 PM, Alex Williamson wrote: My first goal is to support virtual function passthrough for device's that are directly connected. This will be possible with the qu

Re: RFC on No ACS Support and SMMUv3 Support

2017-02-14 Thread Will Deacon
On Mon, Feb 13, 2017 at 08:54:04PM -0500, Sinan Kaya wrote: > On 2/13/2017 8:46 PM, Alex Williamson wrote: > >> My first goal is to support virtual function passthrough for device's that > >> are directly > >> connected. This will be possible with the quirk I proposed and it will be > >> the most

Re: RFC on No ACS Support and SMMUv3 Support

2017-02-14 Thread Robin Murphy
On 14/02/17 01:54, Sinan Kaya wrote: > On 2/13/2017 8:46 PM, Alex Williamson wrote: >>> My first goal is to support virtual function passthrough for device's that >>> are directly >>> connected. This will be possible with the quirk I proposed and it will be >>> the most >>> secure solution. It ca

Re: RFC on No ACS Support and SMMUv3 Support

2017-02-13 Thread Sinan Kaya
On 2/13/2017 8:46 PM, Alex Williamson wrote: >> My first goal is to support virtual function passthrough for device's that >> are directly >> connected. This will be possible with the quirk I proposed and it will be >> the most >> secure solution. It can certainly be generalized for other systems

Re: RFC on No ACS Support and SMMUv3 Support

2017-02-13 Thread Alex Williamson
On Mon, 13 Feb 2017 19:14:31 -0500 Sinan Kaya wrote: > Hi Alex, > > Thanks for your response. Other comments inline. > > On 2/13/2017 6:06 PM, Alex Williamson wrote: > > On Mon, 13 Feb 2017 17:24:40 -0500 > > Sinan Kaya wrote: > > > >> Hi, > >> I am getting ready to submit a quirk patch. Be

Re: RFC on No ACS Support and SMMUv3 Support

2017-02-13 Thread Sinan Kaya
Hi Alex, Thanks for your response. Other comments inline. On 2/13/2017 6:06 PM, Alex Williamson wrote: > On Mon, 13 Feb 2017 17:24:40 -0500 > Sinan Kaya wrote: > >> Hi, >> I am getting ready to submit a quirk patch. Before I go ahead and submit >> it for review, I wanted to get ARM IOMMU develo

Re: RFC on No ACS Support and SMMUv3 Support

2017-02-13 Thread Alex Williamson
On Mon, 13 Feb 2017 17:24:40 -0500 Sinan Kaya wrote: > Hi, > I am getting ready to submit a quirk patch. Before I go ahead and submit > it for review, I wanted to get ARM IOMMU developers and PCI/VFIO maintainers > together to figure out what the best approach would be. > > The Qualcomm QDF2400