Re: [vfio-users] Is there some method to merge 2 iommu group if I disable ACS

2017-08-08 Thread Alex Williamson
On Tue, 8 Aug 2017 06:58:40 + "Wuzongyong (Euler Dept)" wrote: > > On Mon, 7 Aug 2017 06:43:30 -0600 > > Alex Williamson wrote: > > > > > On Aug 7, 2017 5:39 AM, "Wuzongyong (Euler Dept)" > > > > > > wrote: > > > > > > Hi, > > > > > > > > > > > > Assume that an endpoint device(called ep1

Re: [vfio-users] Is there some method to merge 2 iommu group if I disable ACS

2017-08-07 Thread Alex Williamson
On Mon, 7 Aug 2017 06:43:30 -0600 Alex Williamson wrote: > On Aug 7, 2017 5:39 AM, "Wuzongyong (Euler Dept)" > wrote: > > Hi, > > > > Assume that an endpoint device(called ep1) belongs to iommu group 1, and > another endpoint device(called ep2) belongs to iommu group 2. > > Moreover, these

Re: [vfio-users] Is there some method to merge 2 iommu group if I disable ACS

2017-08-07 Thread Alex Williamson
On Aug 7, 2017 5:39 AM, "Wuzongyong (Euler Dept)" wrote: Hi, Assume that an endpoint device(called ep1) belongs to iommu group 1, and another endpoint device(called ep2) belongs to iommu group 2. Moreover, these two devices locate in different downstream ports of the same switch respectively.