[PATCH] powernv: fix VFIO support with PHB3

2013-12-09 Thread Thadeu Lima de Souza Cascardo
I have recently found out that no iommu_groups could be found under /sys/ on a P8. That prevents PCI passthrough from working. During my investigation, I found out there seems to be a missing iommu_register_group for PHB3. The following patch seems to fix the problem. After applying it, I see iomm

Re: [PATCH] powernv: fix VFIO support with PHB3

2013-12-07 Thread Thadeu Lima de Souza Cascardo
On Sat, Dec 07, 2013 at 11:58:44AM +1100, Alexey Kardashevskiy wrote: > On 12/06/2013 11:21 PM, Thadeu Lima de Souza Cascardo wrote: > > I have recently found out that no iommu_groups could be found under > > /sys/ on a P8. That prevents PCI passthrough from working. > > > > During my investigatio

Re: [PATCH] powernv: fix VFIO support with PHB3

2013-12-06 Thread Alexey Kardashevskiy
On 12/06/2013 11:21 PM, Thadeu Lima de Souza Cascardo wrote: > I have recently found out that no iommu_groups could be found under > /sys/ on a P8. That prevents PCI passthrough from working. > > During my investigation, I found out there seems to be a missing > iommu_register_group for PHB3. The

[PATCH] powernv: fix VFIO support with PHB3

2013-12-06 Thread Thadeu Lima de Souza Cascardo
I have recently found out that no iommu_groups could be found under /sys/ on a P8. That prevents PCI passthrough from working. During my investigation, I found out there seems to be a missing iommu_register_group for PHB3. The following patch seems to fix the problem. After applying it, I see iomm