Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-21 Thread Alexey Kardashevskiy
On 03/21/2016 03:53 PM, David Gibson wrote: On Thu, Mar 17, 2016 at 08:23:35PM +1100, Alexey Kardashevskiy wrote: On 03/17/2016 05:10 PM, David Gibson wrote: On Thu, Mar 17, 2016 at 04:04:29PM +1100, Alexey Kardashevskiy wrote: On 03/15/2016 04:42 PM, David Gibson wrote: On Tue, Mar 15, 2016

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-20 Thread David Gibson
On Thu, Mar 17, 2016 at 08:23:35PM +1100, Alexey Kardashevskiy wrote: > On 03/17/2016 05:10 PM, David Gibson wrote: > >On Thu, Mar 17, 2016 at 04:04:29PM +1100, Alexey Kardashevskiy wrote: > >>On 03/15/2016 04:42 PM, David Gibson wrote: > >>>On Tue, Mar 15, 2016 at 01:53:48PM +1100, Alexey

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-19 Thread Alexey Kardashevskiy
On 03/15/2016 04:42 PM, David Gibson wrote: On Tue, Mar 15, 2016 at 01:53:48PM +1100, Alexey Kardashevskiy wrote: On 03/03/2016 05:30 PM, David Gibson wrote: On Tue, Mar 01, 2016 at 08:10:36PM +1100, Alexey Kardashevskiy wrote: This makes use of the new "memory registering" feature. The idea

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-19 Thread David Gibson
On Thu, Mar 17, 2016 at 04:04:29PM +1100, Alexey Kardashevskiy wrote: > On 03/15/2016 04:42 PM, David Gibson wrote: > >On Tue, Mar 15, 2016 at 01:53:48PM +1100, Alexey Kardashevskiy wrote: > >>On 03/03/2016 05:30 PM, David Gibson wrote: > >>>On Tue, Mar 01, 2016 at 08:10:36PM +1100, Alexey

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-19 Thread Alexey Kardashevskiy
On 03/17/2016 05:10 PM, David Gibson wrote: On Thu, Mar 17, 2016 at 04:04:29PM +1100, Alexey Kardashevskiy wrote: On 03/15/2016 04:42 PM, David Gibson wrote: On Tue, Mar 15, 2016 at 01:53:48PM +1100, Alexey Kardashevskiy wrote: On 03/03/2016 05:30 PM, David Gibson wrote: On Tue, Mar 01, 2016

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-15 Thread David Gibson
On Tue, Mar 15, 2016 at 01:53:48PM +1100, Alexey Kardashevskiy wrote: > On 03/03/2016 05:30 PM, David Gibson wrote: > >On Tue, Mar 01, 2016 at 08:10:36PM +1100, Alexey Kardashevskiy wrote: > >>This makes use of the new "memory registering" feature. The idea is > >>to provide the userspace ability

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-14 Thread Alexey Kardashevskiy
On 03/03/2016 05:30 PM, David Gibson wrote: On Tue, Mar 01, 2016 at 08:10:36PM +1100, Alexey Kardashevskiy wrote: This makes use of the new "memory registering" feature. The idea is to provide the userspace ability to notify the host kernel about pages which are going to be used for DMA. Having

Re: [Qemu-devel] [Qemu-ppc] [PATCH qemu v13 11/16] vfio: spapr: Add SPAPR IOMMU v2 support (DMA memory preregistering)

2016-03-03 Thread David Gibson
On Tue, Mar 01, 2016 at 08:10:36PM +1100, Alexey Kardashevskiy wrote: > This makes use of the new "memory registering" feature. The idea is > to provide the userspace ability to notify the host kernel about pages > which are going to be used for DMA. Having this information, the host > kernel can