On 2016年11月22日 18:24, Jan Beulich wrote:
On 17.11.16 at 16:36, wrote:
>> 2) Build ACPI DMAR table in toolstack
>> Now tool stack can boot ACPI DMAR table according VM configure and pass
>> though it to hvmloader via xenstore ACPI PT channel. But the vIOMMU MMIO
>> region is managed by Qemu an
On 2016年11月21日 15:05, Tian, Kevin wrote:
>> If someone add "intel_iommu=on" kernel parameter manually, IOMMU driver
>> > will panic guest because it can't enable DMA remapping function via gcmd
>> > register and "Translation Enable Status" bit in gsts register is never
>> > set by vIOMMU. This show
>>> On 17.11.16 at 16:36, wrote:
> 2) Build ACPI DMAR table in toolstack
> Now tool stack can boot ACPI DMAR table according VM configure and pass
> though it to hvmloader via xenstore ACPI PT channel. But the vIOMMU MMIO
> region is managed by Qemu and it's need to be populated into DMAR
> table.
On 2016年11月21日 21:41, Andrew Cooper wrote:
> On 17/11/16 15:36, Lan Tianyu wrote:
>> 3.2 l2 translation
>> 1) For virtual PCI device
>> Xen dummy xen-vIOMMU in Qemu translates IOVA to target GPA via new
>> hypercall when DMA operation happens.
>>
>> When guest triggers a invalidation operation, the
> From: Andrew Cooper [mailto:andrew.coop...@citrix.com]
> Sent: Monday, November 21, 2016 9:41 PM
>
> On 17/11/16 15:36, Lan Tianyu wrote:
> > 3.2 l2 translation
> > 1) For virtual PCI device
> > Xen dummy xen-vIOMMU in Qemu translates IOVA to target GPA via new
> > hypercall when DMA operation h
On Mon, 21 Nov 2016, Julien Grall wrote:
> On 21/11/2016 02:21, Lan, Tianyu wrote:
> > On 11/19/2016 3:43 AM, Julien Grall wrote:
> > > On 17/11/2016 09:36, Lan Tianyu wrote:
> > Hi Julien:
>
> Hello Lan,
>
> > Thanks for your input. This interface is just for virtual PCI device
> > which is
On 17/11/16 15:36, Lan Tianyu wrote:
> 3.2 l2 translation
> 1) For virtual PCI device
> Xen dummy xen-vIOMMU in Qemu translates IOVA to target GPA via new
> hypercall when DMA operation happens.
>
> When guest triggers a invalidation operation, there maybe in-fly DMA
> request for virtual device ha
On 21/11/2016 02:21, Lan, Tianyu wrote:
On 11/19/2016 3:43 AM, Julien Grall wrote:
On 17/11/2016 09:36, Lan Tianyu wrote:
Hi Julien:
Hello Lan,
Thanks for your input. This interface is just for virtual PCI device
which is called by Qemu. I am not familiar with ARM. Are there any
non-P
> From: Lan, Tianyu
> Sent: Thursday, November 17, 2016 11:37 PM
>
> Change since V2:
> 1) Update motivation for Xen vIOMMU - 288 vcpus support part
> Add descriptor about plan of increasing vcpu from 128 to 255 and
> dependency between X2APIC and interrupt remapping.
> 2) Update
On 11/19/2016 3:43 AM, Julien Grall wrote:
Hi Lan,
On 17/11/2016 09:36, Lan Tianyu wrote:
1) Definition of "struct xen_dmop_viommu_op" as new hypercall parameter.
struct xen_dmop_viommu_op {
u32 cmd;
u32 domid;
u32 viommu_id;
union {
struct {
u32 capabili
Hi Lan,
On 17/11/2016 09:36, Lan Tianyu wrote:
1) Definition of "struct xen_dmop_viommu_op" as new hypercall parameter.
struct xen_dmop_viommu_op {
u32 cmd;
u32 domid;
u32 viommu_id;
union {
struct {
u32 capabilities;
} query_capabilities;
st
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