Hi Jean, Eric,
> From: Liu, Yi L
> Sent: Thursday, April 9, 2020 8:47 PM
> Subject: RE: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
[...]
> > > >>
> > > >> Yes I don't think an u32 is going to cut it for
Hi Eric,
> From: Auger Eric
> Sent: Friday, April 10, 2020 11:28 AM
> To: Liu, Yi L ; Jean-Philippe Brucker Subject: Re: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> Hi Yi,
>
> On 4/9/20 2:47 PM, Liu, Yi L wrote:
> > Hi Jean
Hi Yi,
On 4/9/20 2:47 PM, Liu, Yi L wrote:
> Hi Jean,
>
>> From: Jean-Philippe Brucker
>> Sent: Thursday, April 9, 2020 4:15 PM
>> Subject: Re: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
>> userspace
>>
>> On Wed, Apr 08, 2020 at 12:
Hi Jean,
> From: Jean-Philippe Brucker
> Sent: Thursday, April 9, 2020 4:15 PM
> Subject: Re: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> On Wed, Apr 08, 2020 at 12:27:58PM +0200, Auger Eric wrote:
> > Hi Yi,
> >
> >
Hi Jean,
On 4/9/20 10:14 AM, Jean-Philippe Brucker wrote:
> On Wed, Apr 08, 2020 at 12:27:58PM +0200, Auger Eric wrote:
>> Hi Yi,
>>
>> On 4/7/20 11:43 AM, Liu, Yi L wrote:
>>> Hi Jean,
>>>
From: Jean-Philippe Brucker
Sent: Friday, April 3, 2020 4:23 PM
To: Auger Eric
On Wed, Apr 08, 2020 at 12:27:58PM +0200, Auger Eric wrote:
> Hi Yi,
>
> On 4/7/20 11:43 AM, Liu, Yi L wrote:
> > Hi Jean,
> >
> >> From: Jean-Philippe Brucker
> >> Sent: Friday, April 3, 2020 4:23 PM
> >> To: Auger Eric
> >> userspace
> >>
> >> On Wed, Apr 01, 2020 at 03:01:12PM +0200, Auger
Hi Yi,
On 4/7/20 11:43 AM, Liu, Yi L wrote:
> Hi Jean,
>
>> From: Jean-Philippe Brucker
>> Sent: Friday, April 3, 2020 4:23 PM
>> To: Auger Eric
>> userspace
>>
>> On Wed, Apr 01, 2020 at 03:01:12PM +0200, Auger Eric wrote:
>> header = vfio_info_cap_add(caps, sizeof(*nesting_cap),
> From: Liu, Yi L
> Sent: Tuesday, April 7, 2020 5:43 PM
>
> > We don't, the PASID spaces are per-VM on Arm, so this function should
> > consult the IOMMU driver before setting flags. As you said on patch 3,
> > nested doesn't necessarily imply PASID support. The SMMUv2 does not
> > support PASID
Hi Jean,
> From: Jean-Philippe Brucker
> Sent: Friday, April 3, 2020 4:23 PM
> To: Auger Eric
> userspace
>
> On Wed, Apr 01, 2020 at 03:01:12PM +0200, Auger Eric wrote:
> > >>> header = vfio_info_cap_add(caps, sizeof(*nesting_cap),
> > >>>
Hi Alex,
> From: Alex Williamson
> Sent: Friday, April 3, 2020 3:20 AM
> To: Liu, Yi L
> Subject: Re: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> On Sun, 22 Mar 2020 05:32:02 -0700
> "Liu, Yi L" wrote:
>
> > From: L
On Wed, Apr 01, 2020 at 03:01:12PM +0200, Auger Eric wrote:
> >>> header = vfio_info_cap_add(caps, sizeof(*nesting_cap),
> >>> VFIO_IOMMU_TYPE1_INFO_CAP_NESTING, 1);
> >>> @@ -2254,6 +2309,7 @@ static int vfio_iommu_info_add_nesting_cap(struct
> >> vfio_iommu *iommu,
On Sun, 22 Mar 2020 05:32:02 -0700
"Liu, Yi L" wrote:
> From: Liu Yi L
>
> VFIO exposes IOMMU nesting translation (a.k.a dual stage translation)
> capability to userspace. Thus applications like QEMU could support
> vIOMMU with hardware's nesting translation capability for pass-through
>
Hi Yi,
On 4/1/20 2:51 PM, Liu, Yi L wrote:
> Hi Eric,
>
>> From: Auger Eric
>> Sent: Wednesday, April 1, 2020 4:51 PM
>> To: Liu, Yi L ; alex.william...@redhat.com
>> Subject: Re: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
>> userspace
>
Hi Eric,
> From: Auger Eric
> Sent: Wednesday, April 1, 2020 4:51 PM
> To: Liu, Yi L ; alex.william...@redhat.com
> Subject: Re: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> Hi Yi,
> On 3/22/20 1:32 PM, Liu, Yi L wrote:
> > From:
Hi Yi,
On 3/22/20 1:32 PM, Liu, Yi L wrote:
> From: Liu Yi L
>
> VFIO exposes IOMMU nesting translation (a.k.a dual stage translation)
> capability to userspace. Thus applications like QEMU could support
> vIOMMU with hardware's nesting translation capability for pass-through
> devices. Before
> From: Tian, Kevin
> Sent: Wednesday, April 1, 2020 4:09 PM
> Subject: RE: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> > From: Liu, Yi L
> > Sent: Wednesday, April 1, 2020 4:07 PM
> >
> > > From: Tian, Kevin
&g
> From: Liu, Yi L
> Sent: Wednesday, April 1, 2020 4:07 PM
>
> > From: Tian, Kevin
> > Sent: Wednesday, April 1, 2020 3:56 PM
> > To: Liu, Yi L ; alex.william...@redhat.com;
> > Subject: RE: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> &
> From: Tian, Kevin
> Sent: Wednesday, April 1, 2020 3:56 PM
> To: Liu, Yi L ; alex.william...@redhat.com;
> Subject: RE: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> > From: Liu, Yi L
> > Sent: Wednesday, April 1, 2020 3:38 P
> From: Liu, Yi L
> Sent: Wednesday, April 1, 2020 3:38 PM
>
> > From: Tian, Kevin
> > Sent: Monday, March 30, 2020 7:49 PM
> > To: Liu, Yi L ; alex.william...@redhat.com;
> > Subject: RE: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> &
> From: Tian, Kevin
> Sent: Monday, March 30, 2020 7:49 PM
> To: Liu, Yi L ; alex.william...@redhat.com;
> Subject: RE: [PATCH v1 5/8] vfio/type1: Report 1st-level/stage-1 format to
> userspace
>
> > From: Liu, Yi L
> > Sent: Sunday, March 22, 2020 8:32 PM
> &
> From: Liu, Yi L
> Sent: Sunday, March 22, 2020 8:32 PM
>
> From: Liu Yi L
>
> VFIO exposes IOMMU nesting translation (a.k.a dual stage translation)
> capability to userspace. Thus applications like QEMU could support
> vIOMMU with hardware's nesting translation capability for pass-through
>
Hi Yi,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on vfio/next]
[also build test ERROR on v5.6-rc6 next-20200320]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to
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