Re: [Qemu-devel] [PATCHv3 7/7] vfio: Expose a VFIO PCI device's group for EEH

2015-09-30 Thread Laurent Vivier
On 30/09/2015 04:13, David Gibson wrote: > The Enhanced Error Handling (EEH) interface in PAPR operates on units of a > Partitionable Endpoint (PE). For VFIO devices, the PE boundaries the guest > sees must match the PE (i.e. IOMMU group) boundaries on the host. To > implement this it will need

[Qemu-devel] [PATCHv3 7/7] vfio: Expose a VFIO PCI device's group for EEH

2015-09-30 Thread David Gibson
The Enhanced Error Handling (EEH) interface in PAPR operates on units of a Partitionable Endpoint (PE). For VFIO devices, the PE boundaries the guest sees must match the PE (i.e. IOMMU group) boundaries on the host. To implement this it will need to discover from VFIO which group a given device b