On 06/06/18 22:22, Jacob Pan wrote:
> On Wed, 6 Jun 2018 12:20:51 +0100
> Jean-Philippe Brucker wrote:
>
>> On 05/06/18 18:32, Jacob Pan wrote:
"bytes" could be passed by VFIO as argument to bind_pasid_table,
since it can deduce it from argsz
>>> Are you suggesting we wrap this s
On Wed, 6 Jun 2018 12:20:51 +0100
Jean-Philippe Brucker wrote:
> On 05/06/18 18:32, Jacob Pan wrote:
> >> "bytes" could be passed by VFIO as argument to bind_pasid_table,
> >> since it can deduce it from argsz
> >>
> > Are you suggesting we wrap this struct in a vfio struct with argsz?
> > or w
On 05/06/18 18:32, Jacob Pan wrote:
>> "bytes" could be passed by VFIO as argument to bind_pasid_table, since
>> it can deduce it from argsz
>>
> Are you suggesting we wrap this struct in a vfio struct with argsz? or
> we directly use this struct?
>
> I need to clarify how vfio will use this.
Rig
On Thu, 31 May 2018 10:09:46 +0100
Jean-Philippe Brucker wrote:
> On 30/05/18 20:52, Jacob Pan wrote:
> >> However I think the model number should be added to
> >> pasid_table_config. For one thing it gives us a simple
> >> sanity-check, but it also tells which other fields are valid in
> >> pasi
On 30/05/18 20:52, Jacob Pan wrote:
>> However I think the model number should be added to
>> pasid_table_config. For one thing it gives us a simple sanity-check,
>> but it also tells which other fields are valid in pasid_table_config.
>> Arm-smmu-v3 needs at least two additional 8-bit fields descr
On Wed, 30 May 2018 12:53:53 +0100
Jean-Philippe Brucker wrote:
> On 30/05/18 04:45, Tian, Kevin wrote:
> >> On SMMUv3 the minimum alignment for base_ptr is 64 bytes, so
> >> a
> guest
> >> under a vSMMU might pass a pointer that's not aligned on 4k.
> >>
> > PASID
On 30/05/18 04:45, Tian, Kevin wrote:
>> On SMMUv3 the minimum alignment for base_ptr is 64 bytes, so a
guest
>> under a vSMMU might pass a pointer that's not aligned on 4k.
>>
> PASID table pointer for VT-d is 4K aligned.
>> Maybe this information could be part of the data
> From: Alex Williamson [mailto:alex.william...@redhat.com]
> Sent: Wednesday, May 30, 2018 11:18 AM
>
> On Wed, 30 May 2018 01:41:43 +
> "Tian, Kevin" wrote:
>
> > > From: Alex Williamson [mailto:alex.william...@redhat.com]
> > > Sent: Wednesday, May 30, 2018 4:09 AM
> > >
> > > On Fri, 20
On Wed, 30 May 2018 01:41:43 +
"Tian, Kevin" wrote:
> > From: Alex Williamson [mailto:alex.william...@redhat.com]
> > Sent: Wednesday, May 30, 2018 4:09 AM
> >
> > On Fri, 20 Apr 2018 16:42:51 -0700
> > Jacob Pan wrote:
> >
> > > On Fri, 20 Apr 2018 19:25:34 +0100
> > > Jean-Philippe Bru
> From: Alex Williamson [mailto:alex.william...@redhat.com]
> Sent: Wednesday, May 30, 2018 4:09 AM
>
> On Fri, 20 Apr 2018 16:42:51 -0700
> Jacob Pan wrote:
>
> > On Fri, 20 Apr 2018 19:25:34 +0100
> > Jean-Philippe Brucker wrote:
> >
> > > On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Willia
On Fri, 20 Apr 2018 16:42:51 -0700
Jacob Pan wrote:
> On Fri, 20 Apr 2018 19:25:34 +0100
> Jean-Philippe Brucker wrote:
>
> > On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote:
> > [...]
> > > > + /* Assign guest PASID table pointer and size order */
> > > > + ctx_lo
On Fri, 20 Apr 2018 19:25:34 +0100
Jean-Philippe Brucker wrote:
> On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote:
> [...]
> > > + /* Assign guest PASID table pointer and size order */
> > > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) |
> > > + (pasidt_binfo->pasid
On Tue, 17 Apr 2018 13:10:47 -0600
Alex Williamson wrote:
> On Mon, 16 Apr 2018 14:48:53 -0700
> Jacob Pan wrote:
>
> > Add Intel VT-d ops to the generic iommu_bind_pasid_table API
> > functions.
> >
> > The primary use case is for direct assignment of SVM capable
> > device. Originated from e
On Tue, Apr 17, 2018 at 08:10:47PM +0100, Alex Williamson wrote:
[...]
> > + /* Assign guest PASID table pointer and size order */
> > + ctx_lo = (pasidt_binfo->base_ptr & VTD_PAGE_MASK) |
> > + (pasidt_binfo->pasid_bits - MIN_NR_PASID_BITS);
>
> Where does this IOMMU API interface d
On Mon, 16 Apr 2018 14:48:53 -0700
Jacob Pan wrote:
> Add Intel VT-d ops to the generic iommu_bind_pasid_table API
> functions.
>
> The primary use case is for direct assignment of SVM capable
> device. Originated from emulated IOMMU in the guest, the request goes
> through many layers (e.g. VF
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