On 26/07/18 04:28, Tian, Kevin wrote:
>> hierarchical domain might be the right way to go, but let's do more
>> thinking on any corner cases.
>>
>
> btw maybe we don't need make it 'hierarchical', as maintaining
> hierarchy usually brings more work. What we require is possibly
> just the
On 26/07/18 04:03, Tian, Kevin wrote:
>> Whenever I come back to hierarchical IOMMU domains I reject it as too
>> complicated, but maybe that is what we need. I find it difficult to
>> reason about because domains currently represent both a collection of
>> devices and a one or more address
> From: Tian, Kevin
> Sent: Thursday, July 26, 2018 11:04 AM
[...]
> >
> > The IOMMU operations we care about don't take a device handle, I think,
> > just a domain. And VFIO itself only deals with domains when doing
> > map/unmap. Maybe we could add this operation to the IOMMU
> subsystem:
> >
>
> From: Jean-Philippe Brucker [mailto:jean-philippe.bruc...@arm.com]
> Sent: Thursday, July 26, 2018 3:20 AM
>
> On 25/07/18 07:19, Tian, Kevin wrote:
> >> From: Tian, Kevin
> >> Sent: Wednesday, July 25, 2018 10:16 AM
> >>
> > [...]
> >>>
> >>> There is another way: as we're planning to add a
On 25/07/18 07:19, Tian, Kevin wrote:
>> From: Tian, Kevin
>> Sent: Wednesday, July 25, 2018 10:16 AM
>>
> [...]
>>>
>>> There is another way: as we're planning to add a generic pasid_alloc()
>>> function to the IOMMU API, the mdev module itself could allocate a
>>> default PASID for each mdev by
> From: Tian, Kevin
> Sent: Wednesday, July 25, 2018 10:16 AM
>
[...]
> >
> > There is another way: as we're planning to add a generic pasid_alloc()
> > function to the IOMMU API, the mdev module itself could allocate a
> > default PASID for each mdev by calling pasid_alloc() on the mdev's
> >
Hi Jean,
> From: Jean-Philippe Brucker [mailto:jean-philippe.bruc...@arm.com]
> Sent: Tuesday, July 24, 2018 7:31 PM
>
> Hi Baolu,
>
> On 24/07/18 03:22, Lu Baolu wrote:
> > Hi,
> >
> > On 07/23/2018 12:44 PM, Liu, Yi L wrote:
> >>> From: Lu Baolu [mailto:baolu...@linux.intel.com]
> >>> Sent:
> From: Jean-Philippe Brucker
> Sent: Tuesday, July 24, 2018 7:31 PM
>
> Hi Baolu,
>
> On 24/07/18 03:22, Lu Baolu wrote:
> > Hi,
> >
> > On 07/23/2018 12:44 PM, Liu, Yi L wrote:
> >>> From: Lu Baolu [mailto:baolu...@linux.intel.com]
> >>> Sent: Sunday, July 22, 2018 2:09 PM
> >>>
> >>> With the
Hi Jean,
Pull Kevin in. Not sure why he was removed from cc list.
On 07/24/2018 07:30 PM, Jean-Philippe Brucker wrote:
> Hi Baolu,
>
> On 24/07/18 03:22, Lu Baolu wrote:
>> Hi,
>>
>> On 07/23/2018 12:44 PM, Liu, Yi L wrote:
From: Lu Baolu [mailto:baolu...@linux.intel.com]
Sent: Sunday,
On Tue, 24 Jul 2018 12:30:35 +0100
Jean-Philippe Brucker wrote:
> Hi Baolu,
>
> On 24/07/18 03:22, Lu Baolu wrote:
> > Hi,
> >
> > On 07/23/2018 12:44 PM, Liu, Yi L wrote:
> >>> From: Lu Baolu [mailto:baolu...@linux.intel.com]
> >>> Sent: Sunday, July 22, 2018 2:09 PM
> >>>
> >>> With the
Hi Baolu,
On 24/07/18 03:22, Lu Baolu wrote:
> Hi,
>
> On 07/23/2018 12:44 PM, Liu, Yi L wrote:
>>> From: Lu Baolu [mailto:baolu...@linux.intel.com]
>>> Sent: Sunday, July 22, 2018 2:09 PM
>>>
>>> With the Intel IOMMU supporting PASID granularity isolation and protection,
>>> a
>>> mediated
Hi,
On 07/23/2018 12:44 PM, Liu, Yi L wrote:
>> From: Lu Baolu [mailto:baolu...@linux.intel.com]
>> Sent: Sunday, July 22, 2018 2:09 PM
>>
>> With the Intel IOMMU supporting PASID granularity isolation and protection, a
>> mediated device could be isolated and protected by an IOMMU unit. We need
> From: Lu Baolu [mailto:baolu...@linux.intel.com]
> Sent: Sunday, July 22, 2018 2:09 PM
>
> With the Intel IOMMU supporting PASID granularity isolation and protection, a
> mediated device could be isolated and protected by an IOMMU unit. We need to
> allocate a new group instead of a PCI group.
With the Intel IOMMU supporting PASID granularity isolation and
protection, a mediated device could be isolated and protected by
an IOMMU unit. We need to allocate a new group instead of a PCI
group.
Cc: Ashok Raj
Cc: Jacob Pan
Cc: Kevin Tian
Cc: Liu Yi L
Signed-off-by: Sanjay Kumar
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