Re: [PATCH v13 04/15] genirq/msi: Introduce the MSI doorbell API

2016-10-07 Thread Auger Eric
Hi Alex, On 06/10/2016 22:17, Alex Williamson wrote: > On Thu, 6 Oct 2016 08:45:20 + > Eric Auger wrote: > >> We introduce a new msi-doorbell API that allows msi controllers >> to allocate and register their doorbells. This is useful when >> those doorbells are likely to be iommu mapped (ty

Re: [PATCH v13 04/15] genirq/msi: Introduce the MSI doorbell API

2016-10-06 Thread Alex Williamson
On Thu, 6 Oct 2016 08:45:20 + Eric Auger wrote: > We introduce a new msi-doorbell API that allows msi controllers > to allocate and register their doorbells. This is useful when > those doorbells are likely to be iommu mapped (typically on ARM). > The VFIO layer will need to gather informati

[PATCH v13 04/15] genirq/msi: Introduce the MSI doorbell API

2016-10-06 Thread Eric Auger
We introduce a new msi-doorbell API that allows msi controllers to allocate and register their doorbells. This is useful when those doorbells are likely to be iommu mapped (typically on ARM). The VFIO layer will need to gather information about those doorbells: whether they are safe (ie. they imple