Re: [PATCH kernel v11 34/34] vfio: powerpc/spapr: Support Dynamic DMA windows

2015-06-01 Thread David Gibson
On Fri, May 29, 2015 at 06:44:58PM +1000, Alexey Kardashevskiy wrote: This adds create/remove window ioctls to create and remove DMA windows. sPAPR defines a Dynamic DMA windows capability which allows para-virtualized guests to create additional DMA windows on a PCI bus. The existing linux

[PATCH kernel v11 34/34] vfio: powerpc/spapr: Support Dynamic DMA windows

2015-05-29 Thread Alexey Kardashevskiy
This adds create/remove window ioctls to create and remove DMA windows. sPAPR defines a Dynamic DMA windows capability which allows para-virtualized guests to create additional DMA windows on a PCI bus. The existing linux kernels use this new window to map the entire guest memory and switch to the