Hi Jason,
On 12/9/21 4:40 PM, Jason Gunthorpe wrote:
> On Thu, Dec 09, 2021 at 08:50:04AM +0100, Eric Auger wrote:
>
>>> The kernel API should accept the S1ContextPtr IPA and all the parts of
>>> the STE that relate to the defining the layout of what the S1Context
>>> points to an thats it.
>>
On Thu, Dec 09, 2021 at 03:59:57AM +, Tian, Kevin wrote:
> > From: Tian, Kevin
> > Sent: Thursday, December 9, 2021 10:58 AM
> >
> > For ARM it's SMMU's PASID table format. There is no step-2 since PASID
> > is already within the address space covered by the user PASID table.
> >
>
> One
On Thu, Dec 09, 2021 at 08:50:04AM +0100, Eric Auger wrote:
> > The kernel API should accept the S1ContextPtr IPA and all the parts of
> > the STE that relate to the defining the layout of what the S1Context
> > points to an thats it.
> Yes that's exactly what is done currently. At config time
Hi Kevin,
On 12/9/21 4:21 AM, Tian, Kevin wrote:
>> From: Jason Gunthorpe
>> Sent: Wednesday, December 8, 2021 8:56 PM
>>
>> On Wed, Dec 08, 2021 at 08:33:33AM +0100, Eric Auger wrote:
>>> Hi Baolu,
>>>
>>> On 12/8/21 3:44 AM, Lu Baolu wrote:
Hi Eric,
On 12/7/21 6:22 PM, Eric
Hi Jason,
On 12/8/21 1:56 PM, Jason Gunthorpe wrote:
> On Wed, Dec 08, 2021 at 08:33:33AM +0100, Eric Auger wrote:
>> Hi Baolu,
>>
>> On 12/8/21 3:44 AM, Lu Baolu wrote:
>>> Hi Eric,
>>>
>>> On 12/7/21 6:22 PM, Eric Auger wrote:
On 12/6/21 11:48 AM, Joerg Roedel wrote:
> On Wed, Oct 27,
Hi Jason,
On 12/8/21 7:31 PM, Jason Gunthorpe wrote:
> On Wed, Dec 08, 2021 at 05:20:39PM +, Jean-Philippe Brucker wrote:
>> On Wed, Dec 08, 2021 at 08:56:16AM -0400, Jason Gunthorpe wrote:
>>> From a progress perspective I would like to start with simple 'page
>>> tables in userspace', ie no
> From: Tian, Kevin
> Sent: Thursday, December 9, 2021 10:58 AM
>
> For ARM it's SMMU's PASID table format. There is no step-2 since PASID
> is already within the address space covered by the user PASID table.
>
One correction here. 'no step-2' is definitely wrong here as it means
more than
> From: Jason Gunthorpe
> Sent: Wednesday, December 8, 2021 8:56 PM
>
> On Wed, Dec 08, 2021 at 08:33:33AM +0100, Eric Auger wrote:
> > Hi Baolu,
> >
> > On 12/8/21 3:44 AM, Lu Baolu wrote:
> > > Hi Eric,
> > >
> > > On 12/7/21 6:22 PM, Eric Auger wrote:
> > >> On 12/6/21 11:48 AM, Joerg Roedel
> From: Jason Gunthorpe
> Sent: Thursday, December 9, 2021 2:31 AM
>
> On Wed, Dec 08, 2021 at 05:20:39PM +, Jean-Philippe Brucker wrote:
> > On Wed, Dec 08, 2021 at 08:56:16AM -0400, Jason Gunthorpe wrote:
> > > From a progress perspective I would like to start with simple 'page
> > >
On Wed, Dec 08, 2021 at 05:20:39PM +, Jean-Philippe Brucker wrote:
> On Wed, Dec 08, 2021 at 08:56:16AM -0400, Jason Gunthorpe wrote:
> > From a progress perspective I would like to start with simple 'page
> > tables in userspace', ie no PASID in this step.
> >
> > 'page tables in userspace'
On Wed, Dec 08, 2021 at 08:56:16AM -0400, Jason Gunthorpe wrote:
> From a progress perspective I would like to start with simple 'page
> tables in userspace', ie no PASID in this step.
>
> 'page tables in userspace' means an iommufd ioctl to create an
> iommu_domain where the IOMMU HW is directly
On Wed, Dec 08, 2021 at 08:33:33AM +0100, Eric Auger wrote:
> Hi Baolu,
>
> On 12/8/21 3:44 AM, Lu Baolu wrote:
> > Hi Eric,
> >
> > On 12/7/21 6:22 PM, Eric Auger wrote:
> >> On 12/6/21 11:48 AM, Joerg Roedel wrote:
> >>> On Wed, Oct 27, 2021 at 12:44:20PM +0200, Eric Auger wrote:
>
Hi Baolu,
On 12/8/21 3:44 AM, Lu Baolu wrote:
> Hi Eric,
>
> On 12/7/21 6:22 PM, Eric Auger wrote:
>> On 12/6/21 11:48 AM, Joerg Roedel wrote:
>>> On Wed, Oct 27, 2021 at 12:44:20PM +0200, Eric Auger wrote:
Signed-off-by: Jean-Philippe Brucker
Signed-off-by: Liu, Yi L
Hi Eric,
On 12/7/21 6:22 PM, Eric Auger wrote:
On 12/6/21 11:48 AM, Joerg Roedel wrote:
On Wed, Oct 27, 2021 at 12:44:20PM +0200, Eric Auger wrote:
Signed-off-by: Jean-Philippe Brucker
Signed-off-by: Liu, Yi L
Signed-off-by: Ashok Raj
Signed-off-by: Jacob Pan
Signed-off-by: Eric Auger
This
Hi Joerg,
On 12/6/21 11:48 AM, Joerg Roedel wrote:
> On Wed, Oct 27, 2021 at 12:44:20PM +0200, Eric Auger wrote:
>> Signed-off-by: Jean-Philippe Brucker
>> Signed-off-by: Liu, Yi L
>> Signed-off-by: Ashok Raj
>> Signed-off-by: Jacob Pan
>> Signed-off-by: Eric Auger
> This Signed-of-by chain
On Wed, Oct 27, 2021 at 12:44:20PM +0200, Eric Auger wrote:
> Signed-off-by: Jean-Philippe Brucker
> Signed-off-by: Liu, Yi L
> Signed-off-by: Ashok Raj
> Signed-off-by: Jacob Pan
> Signed-off-by: Eric Auger
This Signed-of-by chain looks dubious, you are the author but the last
one in the
In virtualization use case, when a guest is assigned
a PCI host device, protected by a virtual IOMMU on the guest,
the physical IOMMU must be programmed to be consistent with
the guest mappings. If the physical IOMMU supports two
translation stages it makes sense to program guest mappings
onto the
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