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From: Stefano Stabellini <sstabellini@kernel.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Lan Tianyu <tianyu.lan@intel.com>,
	qemu-devel@nongnu.org, xen-devel@lists.xensource.com,
	chao.gao@intel.com, kevin.tian@intel.com,
	anthony.perard@citrix.com, ehabkost@redhat.com,
	marcel@redhat.com, mst@redhat.com, rth@twiddle.net,
	sstabellini@kernel.organthony.perard@citrix.com
Subject: Re: [Qemu-devel] [RFC PATCH 0/4] Qemu: Add Xen vIOMMU support
Date: Fri, 17 Mar 2017 13:57:22 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.10.1703171356520.22036@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <1e1d1637-1cf8-2ad4-36e2-342aa21b100d@redhat.com>

On Fri, 17 Mar 2017, Paolo Bonzini wrote:
> On 17/03/2017 12:29, Lan Tianyu wrote:
> > This patchset is to add Xen vIOMMU device model and handle
> > irq remapping stuffs. Xen vIOMMU emulation is in the Xen hypervisor
> > and the new device module in Qemu works as hypercall wrappers to
> > create and destroy vIOMMU in hypervisor.
> > 
> > Xen only supports emulated I440 and so we enable vIOMMU with emulated
> > I440 chipset. This works on Linux and Windows guest.
> 
> Any plans to change this?  Why is Xen not able to use Q35 with Intel
> IOMMU, with only special hooks for interrupt remapping?

CC'ing Anthony that worked on it in the past


> > Chao Gao (4):
> >   I440: Allow adding sysbus devices with -device on I440
> >   Xen: add a dummy vIOMMU to create/destroy vIOMMU in Xen
> >   xen-pt: bind/unbind interrupt remapping format MSI
> >   msi: taking interrupt format into consideration during judging a pirq
> >     is binded with a event channel
> 

WARNING: multiple messages have this Message-ID (diff)
From: Stefano Stabellini <sstabellini@kernel.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Lan Tianyu <tianyu.lan@intel.com>,
	kevin.tian@intel.com, xen-devel@lists.xensource.com,
	ehabkost@redhat.com, mst@redhat.com, qemu-devel@nongnu.org,
	marcel@redhat.com, sstabellini@kernel.org,
	anthony.perard@citrix.com, rth@twiddle.net, chao.gao@intel.com
Subject: Re: [RFC PATCH 0/4] Qemu: Add Xen vIOMMU support
Date: Fri, 17 Mar 2017 13:57:22 -0700 (PDT)	[thread overview]
Message-ID: <alpine.DEB.2.10.1703171356520.22036@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <1e1d1637-1cf8-2ad4-36e2-342aa21b100d@redhat.com>

On Fri, 17 Mar 2017, Paolo Bonzini wrote:
> On 17/03/2017 12:29, Lan Tianyu wrote:
> > This patchset is to add Xen vIOMMU device model and handle
> > irq remapping stuffs. Xen vIOMMU emulation is in the Xen hypervisor
> > and the new device module in Qemu works as hypercall wrappers to
> > create and destroy vIOMMU in hypervisor.
> > 
> > Xen only supports emulated I440 and so we enable vIOMMU with emulated
> > I440 chipset. This works on Linux and Windows guest.
> 
> Any plans to change this?  Why is Xen not able to use Q35 with Intel
> IOMMU, with only special hooks for interrupt remapping?

CC'ing Anthony that worked on it in the past


> > Chao Gao (4):
> >   I440: Allow adding sysbus devices with -device on I440
> >   Xen: add a dummy vIOMMU to create/destroy vIOMMU in Xen
> >   xen-pt: bind/unbind interrupt remapping format MSI
> >   msi: taking interrupt format into consideration during judging a pirq
> >     is binded with a event channel
> 

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel

  reply	other threads:[~2017-03-17 20:57 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-17 11:29 [Qemu-devel] [RFC PATCH 0/4] Qemu: Add Xen vIOMMU support Lan Tianyu
2017-03-17 11:29 ` Lan Tianyu
2017-03-17 11:29 ` [Qemu-devel] [RFC PATCH 1/4] I440: Allow adding sysbus devices with -device on I440 Lan Tianyu
2017-03-20 19:49   ` Eduardo Habkost
2017-03-21  0:36     ` Lan Tianyu
2017-03-17 11:29 ` [Qemu-devel] [RFC PATCH 2/4] Xen: add a dummy vIOMMU to create/destroy vIOMMU in Xen Lan Tianyu
2017-03-17 11:29   ` Lan Tianyu
2017-03-30 16:24   ` [Qemu-devel] " Anthony PERARD
2017-03-30 16:24     ` Anthony PERARD
2017-03-30 20:19     ` [Qemu-devel] " Chao Gao
2017-03-30 20:19       ` Chao Gao
2017-03-17 11:29 ` [Qemu-devel] [RFC PATCH 3/4] xen-pt: bind/unbind interrupt remapping format MSI Lan Tianyu
2017-03-17 11:29   ` Lan Tianyu
2017-03-30 16:51   ` [Qemu-devel] " Anthony PERARD
2017-03-30 16:51     ` Anthony PERARD
2017-03-30 20:31     ` [Qemu-devel] " Chao Gao
2017-03-30 20:31       ` Chao Gao
2017-03-17 11:29 ` [Qemu-devel] [RFC PATCH 4/4] msi: taking interrupt format into consideration during judging a pirq is binded with a event channel Lan Tianyu
2017-03-17 11:29   ` Lan Tianyu
2017-03-30 17:29   ` [Qemu-devel] " Anthony PERARD
2017-03-30 17:29     ` Anthony PERARD
2017-03-30 20:38     ` [Qemu-devel] " Chao Gao
2017-03-30 20:38       ` Chao Gao
2017-03-17 11:46 ` [Qemu-devel] [RFC PATCH 0/4] Qemu: Add Xen vIOMMU support no-reply
2017-03-17 11:46   ` no-reply
2017-03-17 14:48 ` Paolo Bonzini
2017-03-17 14:48   ` Paolo Bonzini
2017-03-17 20:57   ` Stefano Stabellini [this message]
2017-03-17 20:57     ` Stefano Stabellini
2017-03-20  2:40   ` [Qemu-devel] " Lan Tianyu
2017-03-20  2:40     ` Lan Tianyu
2017-03-20 11:38     ` [Qemu-devel] " Paolo Bonzini
2017-03-20 11:38       ` Paolo Bonzini
2017-03-20 14:17       ` [Qemu-devel] [Xen-devel] " Roger Pau Monné
2017-03-20 14:17         ` Roger Pau Monné
2017-03-20 14:35         ` [Qemu-devel] [Xen-devel] " Paolo Bonzini
2017-03-20 14:35           ` Paolo Bonzini
2017-03-21  1:13       ` [Qemu-devel] " Lan Tianyu
2017-03-21  1:13         ` Lan Tianyu

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