On Wed, 1 Apr 2020 09:32:37 +0200
Auger Eric wrote:
> > I didn’t read through all comments. Here is a concern with this 2-D
> > table, the iommu cache type is defined as below. I suppose there is
> > a problem here. If I'm using IOMMU_CACHE_INV_TYPE_PASID, it will
> > beyond the 2-D table.
> >
On Wed, 1 Apr 2020 09:32:37 +0200
Auger Eric wrote:
> >> devtlb
> >> descriptor, that is why Eric suggests {0, 0, 1}.
> >
> > I think it should be {0, 0, 1} :-) addr field and S field are must,
> > pasid field depends on G bit.
>
> On my side, I understood from the spec that addr/S are
On Wed, 1 Apr 2020 06:57:42 +
"Liu, Yi L" wrote:
> > From: Tian, Kevin
> > Sent: Wednesday, April 1, 2020 2:24 PM
> > To: Jacob Pan
> > Subject: RE: [PATCH V10 08/11] iommu/vt-d: Add svm/sva invalidate
> > function
> > > From: Jacob
Hi,
On 4/1/20 9:13 AM, Liu, Yi L wrote:
>> From: Tian, Kevin
>> Sent: Wednesday, April 1, 2020 2:30 PM
>> To: Jacob Pan
>> Subject: RE: [PATCH V10 08/11] iommu/vt-d: Add svm/sva invalidate function
>>
>>> From: Jacob Pan
>>> Sent: Wednesday, Apri
> From: Tian, Kevin
> Sent: Wednesday, April 1, 2020 2:30 PM
> To: Jacob Pan
> Subject: RE: [PATCH V10 08/11] iommu/vt-d: Add svm/sva invalidate function
>
> > From: Jacob Pan
> > Sent: Wednesday, April 1, 2020 4:58 AM
> >
> > On Tue, 31 Mar 2020
> From: Tian, Kevin
> Sent: Wednesday, April 1, 2020 2:24 PM
> To: Jacob Pan
> Subject: RE: [PATCH V10 08/11] iommu/vt-d: Add svm/sva invalidate function
>
> > From: Jacob Pan
> > Sent: Wednesday, April 1, 2020 2:14 AM
> >
> > On Sat, 28 Mar 2020
> From: Jacob Pan
> Sent: Wednesday, April 1, 2020 5:08 AM
>
> On Tue, 31 Mar 2020 03:34:22 +
> "Tian, Kevin" wrote:
>
> > > From: Auger Eric
> > > Sent: Monday, March 30, 2020 12:05 AM
> > >
> > > On 3/28/20 11:01 AM, Tian, Kevin wrote:
> > > >> From: Jacob Pan
> > > >> Sent: Saturday,
> From: Jacob Pan
> Sent: Wednesday, April 1, 2020 4:58 AM
>
> On Tue, 31 Mar 2020 02:49:21 +
> "Tian, Kevin" wrote:
>
> > > From: Auger Eric
> > > Sent: Sunday, March 29, 2020 11:34 PM
> > >
> > > Hi,
> > >
> > > On 3/28/20 11:01 AM, Tian, Kevin wrote:
> > > >> From: Jacob Pan
> > > >>
> From: Jacob Pan
> Sent: Wednesday, April 1, 2020 2:14 AM
>
> On Sat, 28 Mar 2020 10:01:42 +
> "Tian, Kevin" wrote:
>
> > > From: Jacob Pan
> > > Sent: Saturday, March 21, 2020 7:28 AM
> > >
> > > When Shared Virtual Address (SVA) is enabled for a guest OS via
> > > vIOMMU, we need to
On Sun, 29 Mar 2020 18:05:47 +0200
Auger Eric wrote:
> Hi Jacob,
>
> On 3/21/20 12:27 AM, Jacob Pan wrote:
> > When Shared Virtual Address (SVA) is enabled for a guest OS via
> > vIOMMU, we need to provide invalidation support at IOMMU API and
> > driver level. This patch adds Intel VT-d
On Tue, 31 Mar 2020 03:34:22 +
"Tian, Kevin" wrote:
> > From: Auger Eric
> > Sent: Monday, March 30, 2020 12:05 AM
> >
> > On 3/28/20 11:01 AM, Tian, Kevin wrote:
> > >> From: Jacob Pan
> > >> Sent: Saturday, March 21, 2020 7:28 AM
> > >>
> > >> When Shared Virtual Address (SVA) is
On Tue, 31 Mar 2020 02:49:21 +
"Tian, Kevin" wrote:
> > From: Auger Eric
> > Sent: Sunday, March 29, 2020 11:34 PM
> >
> > Hi,
> >
> > On 3/28/20 11:01 AM, Tian, Kevin wrote:
> > >> From: Jacob Pan
> > >> Sent: Saturday, March 21, 2020 7:28 AM
> > >>
> > >> When Shared Virtual Address
On Sat, 28 Mar 2020 10:01:42 +
"Tian, Kevin" wrote:
> > From: Jacob Pan
> > Sent: Saturday, March 21, 2020 7:28 AM
> >
> > When Shared Virtual Address (SVA) is enabled for a guest OS via
> > vIOMMU, we need to provide invalidation support at IOMMU API and
> > driver level. This patch adds
> From: Auger Eric
> Sent: Monday, March 30, 2020 12:05 AM
>
> On 3/28/20 11:01 AM, Tian, Kevin wrote:
> >> From: Jacob Pan
> >> Sent: Saturday, March 21, 2020 7:28 AM
> >>
> >> When Shared Virtual Address (SVA) is enabled for a guest OS via
> >> vIOMMU, we need to provide invalidation support
> From: Auger Eric
> Sent: Sunday, March 29, 2020 11:34 PM
>
> Hi,
>
> On 3/28/20 11:01 AM, Tian, Kevin wrote:
> >> From: Jacob Pan
> >> Sent: Saturday, March 21, 2020 7:28 AM
> >>
> >> When Shared Virtual Address (SVA) is enabled for a guest OS via
> >> vIOMMU, we need to provide invalidation
Hi Jacob,
On 3/21/20 12:27 AM, Jacob Pan wrote:
> When Shared Virtual Address (SVA) is enabled for a guest OS via
> vIOMMU, we need to provide invalidation support at IOMMU API and driver
> level. This patch adds Intel VT-d specific function to implement
> iommu passdown invalidate API for shared
On 3/28/20 11:01 AM, Tian, Kevin wrote:
>> From: Jacob Pan
>> Sent: Saturday, March 21, 2020 7:28 AM
>>
>> When Shared Virtual Address (SVA) is enabled for a guest OS via
>> vIOMMU, we need to provide invalidation support at IOMMU API and driver
>> level. This patch adds Intel VT-d specific
Hi,
On 3/28/20 11:01 AM, Tian, Kevin wrote:
>> From: Jacob Pan
>> Sent: Saturday, March 21, 2020 7:28 AM
>>
>> When Shared Virtual Address (SVA) is enabled for a guest OS via
>> vIOMMU, we need to provide invalidation support at IOMMU API and driver
>> level. This patch adds Intel VT-d specific
> From: Jacob Pan
> Sent: Saturday, March 21, 2020 7:28 AM
>
> When Shared Virtual Address (SVA) is enabled for a guest OS via
> vIOMMU, we need to provide invalidation support at IOMMU API and driver
> level. This patch adds Intel VT-d specific function to implement
> iommu passdown invalidate
When Shared Virtual Address (SVA) is enabled for a guest OS via
vIOMMU, we need to provide invalidation support at IOMMU API and driver
level. This patch adds Intel VT-d specific function to implement
iommu passdown invalidate API for shared virtual address.
The use case is for supporting caching
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