subject:"\[PATCH v13 12\/15\] vfio\: Allow reserved msi iova registration"

Re: [PATCH v13 12/15] vfio: Allow reserved msi iova registration

2016-10-07 Thread Auger Eric

Hi Alex, On 06/10/2016 22:19, Alex Williamson wrote: > On Thu, 6 Oct 2016 08:45:28 + > Eric Auger wrote: > >> The user is allowed to register a reserved MSI IOVA range by using the >> DMA MAP API and setting the new flag: VFIO_DMA_MAP_FLAG_MSI_RESERVED_IOVA. >> This

Re: [PATCH v13 12/15] vfio: Allow reserved msi iova registration

2016-10-06 Thread Alex Williamson

On Thu, 6 Oct 2016 08:45:28 + Eric Auger wrote: > The user is allowed to register a reserved MSI IOVA range by using the > DMA MAP API and setting the new flag: VFIO_DMA_MAP_FLAG_MSI_RESERVED_IOVA. > This region is stored in the vfio_dma rb tree. At that point the

[PATCH v13 12/15] vfio: Allow reserved msi iova registration

2016-10-06 Thread Eric Auger

The user is allowed to register a reserved MSI IOVA range by using the DMA MAP API and setting the new flag: VFIO_DMA_MAP_FLAG_MSI_RESERVED_IOVA. This region is stored in the vfio_dma rb tree. At that point the iova range is not mapped to any target address yet. The host kernel will use those iova