Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-27 Thread Alexander Graf
On 27.05.14 21:37, Alex Williamson wrote: On Sun, 2014-05-25 at 23:36 +1000, David Gibson wrote: On Sun, May 25, 2014 at 12:16:20PM +0200, Alexander Graf wrote: On 24.05.14 05:12, Alexey Kardashevskiy wrote: On 05/24/2014 07:15 AM, Alexander Graf wrote: On 23.05.14 18:16, Alexey Kardashevski

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-27 Thread Alex Williamson
On Sun, 2014-05-25 at 23:36 +1000, David Gibson wrote: > On Sun, May 25, 2014 at 12:16:20PM +0200, Alexander Graf wrote: > > > > On 24.05.14 05:12, Alexey Kardashevskiy wrote: > > >On 05/24/2014 07:15 AM, Alexander Graf wrote: > > >>On 23.05.14 18:16, Alexey Kardashevskiy wrote: > > >>>On 05/23/20

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-25 Thread David Gibson
On Sun, May 25, 2014 at 12:16:20PM +0200, Alexander Graf wrote: > > On 24.05.14 05:12, Alexey Kardashevskiy wrote: > >On 05/24/2014 07:15 AM, Alexander Graf wrote: > >>On 23.05.14 18:16, Alexey Kardashevskiy wrote: > >>>On 05/23/2014 10:05 PM, Alexander Graf wrote: > On 23.05.14 14:03, Alexey

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-25 Thread Alexander Graf
On 24.05.14 05:12, Alexey Kardashevskiy wrote: On 05/24/2014 07:15 AM, Alexander Graf wrote: On 23.05.14 18:16, Alexey Kardashevskiy wrote: On 05/23/2014 10:05 PM, Alexander Graf wrote: On 23.05.14 14:03, Alexey Kardashevskiy wrote: On 05/23/2014 09:28 PM, Alexander Graf wrote: On 23.05.14

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-23 Thread Alexey Kardashevskiy
On 05/24/2014 07:15 AM, Alexander Graf wrote: > > On 23.05.14 18:16, Alexey Kardashevskiy wrote: >> On 05/23/2014 10:05 PM, Alexander Graf wrote: >>> On 23.05.14 14:03, Alexey Kardashevskiy wrote: On 05/23/2014 09:28 PM, Alexander Graf wrote: > On 23.05.14 06:59, Alexey Kardashevskiy wrot

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-23 Thread Alexander Graf
On 23.05.14 18:16, Alexey Kardashevskiy wrote: On 05/23/2014 10:05 PM, Alexander Graf wrote: On 23.05.14 14:03, Alexey Kardashevskiy wrote: On 05/23/2014 09:28 PM, Alexander Graf wrote: On 23.05.14 06:59, Alexey Kardashevskiy wrote: From: David Gibson The only model so far supported for VF

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-23 Thread Alexey Kardashevskiy
On 05/23/2014 10:05 PM, Alexander Graf wrote: > > On 23.05.14 14:03, Alexey Kardashevskiy wrote: >> On 05/23/2014 09:28 PM, Alexander Graf wrote: >>> On 23.05.14 06:59, Alexey Kardashevskiy wrote: From: David Gibson The only model so far supported for VFIO passthrough devices is th

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-23 Thread Alexander Graf
On 23.05.14 14:03, Alexey Kardashevskiy wrote: On 05/23/2014 09:28 PM, Alexander Graf wrote: On 23.05.14 06:59, 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

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-23 Thread Alexey Kardashevskiy
On 05/23/2014 09:28 PM, Alexander Graf wrote: > > On 23.05.14 06:59, 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

Re: [Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-23 Thread Alexander Graf
On 23.05.14 06:59, 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. This patch begins to relax

[Qemu-devel] [PATCH v6 5/7] vfio: Introduce VFIO address spaces

2014-05-22 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