Re: [PATCH kernel v6 29/29] vfio: powerpc/spapr: Support Dynamic DMA windows

2015-03-16 Thread Alex Williamson
On Tue, 2015-03-17 at 12:02 +1100, Alexey Kardashevskiy wrote: > On 03/17/2015 06:38 AM, Alex Williamson wrote: > > On Fri, 2015-03-13 at 19:07 +1100, Alexey Kardashevskiy wrote: > >> This adds create/remove window ioctls to create and remove DMA windows. > >> sPAPR defines a Dynamic DMA windows ca

Re: [PATCH kernel v6 29/29] vfio: powerpc/spapr: Support Dynamic DMA windows

2015-03-16 Thread Alexey Kardashevskiy
On 03/17/2015 06:38 AM, Alex Williamson wrote: On Fri, 2015-03-13 at 19:07 +1100, 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 windo

Re: [PATCH kernel v6 29/29] vfio: powerpc/spapr: Support Dynamic DMA windows

2015-03-16 Thread Alex Williamson
On Fri, 2015-03-13 at 19:07 +1100, 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 kernel

[PATCH kernel v6 29/29] vfio: powerpc/spapr: Support Dynamic DMA windows

2015-03-13 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