Re: [PATCH v4 15/15] vfio/common: Block migration with vIOMMUs without address width limits

2023-09-08 Thread Joao Martins
On 08/09/2023 07:28, Duan, Zhenzhong wrote: > > On 6/23/2023 5:48 AM, Joao Martins wrote: >> Only block the case when the underlying vIOMMU model does not report any >> address space limits, in addition to DMA translation being off or no >> vIOMMU present. The limits are needed such that can de

Re: [PATCH v4 15/15] vfio/common: Block migration with vIOMMUs without address width limits

2023-09-07 Thread Duan, Zhenzhong
On 6/23/2023 5:48 AM, Joao Martins wrote: Only block the case when the underlying vIOMMU model does not report any address space limits, in addition to DMA translation being off or no vIOMMU present. The limits are needed such that can define the IOVA limits that arm the device dirty tracker.

[PATCH v4 15/15] vfio/common: Block migration with vIOMMUs without address width limits

2023-06-22 Thread Joao Martins
Only block the case when the underlying vIOMMU model does not report any address space limits, in addition to DMA translation being off or no vIOMMU present. The limits are needed such that can define the IOVA limits that arm the device dirty tracker. Additionally, reword the migration blocker err