Re: [Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-14 Thread David Gibson
On Tue, May 14, 2013 at 11:58:16AM +0200, Paolo Bonzini wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Il 14/05/2013 04:39, David Gibson ha scritto: > > On Mon, May 13, 2013 at 03:30:26PM +0200, Paolo Bonzini wrote: > >> -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > >> > >> Il 13/

Re: [Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-14 Thread Paolo Bonzini
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Il 14/05/2013 04:39, David Gibson ha scritto: > On Mon, May 13, 2013 at 03:30:26PM +0200, Paolo Bonzini wrote: >> -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 >> >> Il 13/05/2013 15:13, David Gibson ha scritto: >>> On Mon, May 13, 2013 at 02:23:30PM

Re: [Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-13 Thread David Gibson
On Mon, May 13, 2013 at 03:30:26PM +0200, Paolo Bonzini wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Il 13/05/2013 15:13, David Gibson ha scritto: > > On Mon, May 13, 2013 at 02:23:30PM +0200, Paolo Bonzini wrote: > >> Il 13/05/2013 12:54, David Gibson ha scritto: > >>> Specificall

Re: [Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-13 Thread Paolo Bonzini
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Il 13/05/2013 15:13, David Gibson ha scritto: > On Mon, May 13, 2013 at 02:23:30PM +0200, Paolo Bonzini wrote: >> Il 13/05/2013 12:54, David Gibson ha scritto: >>> Specifically the way the iommu is determined from a callback >>> in the PCIBus means tha

Re: [Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-13 Thread David Gibson
On Mon, May 13, 2013 at 02:23:30PM +0200, Paolo Bonzini wrote: > Il 13/05/2013 12:54, David Gibson ha scritto: > > Specifically the way the iommu is > > determined from a callback in the PCIBus means that it won't be > > assigned for devices under a PCI-PCI bridge. > > Right. I saw the report fro

Re: [Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-13 Thread Paolo Bonzini
Il 13/05/2013 12:54, David Gibson ha scritto: > Specifically the way the iommu is > determined from a callback in the PCIBus means that it won't be > assigned for devices under a PCI-PCI bridge. Right. I saw the report from Alexey, but I am a bit wary of touching it because it's not a regression.

[Qemu-devel] [0/8] RFC: VFIO and guest side IOMMUs, revisited

2013-05-13 Thread David Gibson
Hi, Here's another spin on my patches working towards integrating vfio with guest visible iommu support. These are on top of Paolo Bonzini's iommu branch at: git://github.com/bonzini/qemu.git This new spin starts with some extensions to the pci / memory API core, then some VFIO updates t