Re: [Qemu-devel] [PATCH v5 05/11] vfio: Introduce VFIO address spaces

2014-03-31 Thread Alex Williamson
On Fri, 2014-03-28 at 14:42 +1100, Alexey Kardashevskiy wrote: > On 03/20/2014 06:57 AM, Alex Williamson wrote: > > On Wed, 2014-03-12 at 16:52 +1100, Alexey Kardashevskiy wrote: > >> From: David Gibson > >> > >> The only model so far supported for VFIO passthrough devices is the model > >> usuall

Re: [Qemu-devel] [PATCH v5 05/11] vfio: Introduce VFIO address spaces

2014-03-27 Thread Alexey Kardashevskiy
On 03/20/2014 06:57 AM, Alex Williamson wrote: > On Wed, 2014-03-12 at 16:52 +1100, Alexey Kardashevskiy wrote: >> From: David Gibson >> >> The only model so far supported for VFIO passthrough devices is the model >> usually used on x86, where all of the guest's RAM is mapped into the >> (host) IO

Re: [Qemu-devel] [PATCH v5 05/11] vfio: Introduce VFIO address spaces

2014-03-19 Thread Alex Williamson
On Wed, 2014-03-12 at 16:52 +1100, Alexey Kardashevskiy wrote: > From: David Gibson > > The only model so far supported for VFIO passthrough devices is the model > usually used on x86, where all of the guest's RAM is mapped into the > (host) IOMMU and there is no IOMMU visible in the guest. > >

[Qemu-devel] [PATCH v5 05/11] vfio: Introduce VFIO address spaces

2014-03-11 Thread Alexey Kardashevskiy
From: David Gibson The only model so far supported for VFIO passthrough devices is the model usually used on x86, where all of the guest's RAM is mapped into the (host) IOMMU and there is no IOMMU visible in the guest. This patch begins to relax this model, introducing the notion of a VFIOAddres