On Tue, Apr 20, 2021 at 04:04:57PM -0600, Alex Williamson wrote:
> > The migration control registers must be on a different VF from the VF
> > being plugged into a guest and the two VFs have to be in different
> > IOMMU groups to ensure they are isolated from each other.
>
> I think that's a
On Tue, 20 Apr 2021 09:59:57 -0300
Jason Gunthorpe wrote:
> On Tue, Apr 20, 2021 at 08:50:12PM +0800, liulongfang wrote:
> > On 2021/4/19 20:33, Jason Gunthorpe wrote:
> > > On Mon, Apr 19, 2021 at 08:24:40PM +0800, liulongfang wrote:
> > >
> > >>> I'm also confused how this works securely
On Tue, Apr 20, 2021 at 09:28:46PM +0800, liulongfang wrote:
> >> So, I still don't understand what the security risk you are talking about
> >> is,
> >> and what do you think the security design should look like?
> >> Can you elaborate on it?
> >
> > Each security domain must have its own PCI
On 2021/4/20 20:59, Jason Gunthorpe wrote:
> On Tue, Apr 20, 2021 at 08:50:12PM +0800, liulongfang wrote:
>> On 2021/4/19 20:33, Jason Gunthorpe wrote:
>>> On Mon, Apr 19, 2021 at 08:24:40PM +0800, liulongfang wrote:
>>>
> I'm also confused how this works securely at all, as a general rule a
On Tue, Apr 20, 2021 at 08:50:12PM +0800, liulongfang wrote:
> On 2021/4/19 20:33, Jason Gunthorpe wrote:
> > On Mon, Apr 19, 2021 at 08:24:40PM +0800, liulongfang wrote:
> >
> >>> I'm also confused how this works securely at all, as a general rule a
> >>> VFIO PCI driver cannot access the MMIO
On 2021/4/19 20:33, Jason Gunthorpe wrote:
> On Mon, Apr 19, 2021 at 08:24:40PM +0800, liulongfang wrote:
>
>>> I'm also confused how this works securely at all, as a general rule a
>>> VFIO PCI driver cannot access the MMIO memory of the function it is
>>> planning to assign to the guest. There
On Mon, Apr 19, 2021 at 08:24:40PM +0800, liulongfang wrote:
> > I'm also confused how this works securely at all, as a general rule a
> > VFIO PCI driver cannot access the MMIO memory of the function it is
> > planning to assign to the guest. There is a lot of danger that the
> > guest could
On 2021/4/16 6:01, Jason Gunthorpe wrote:
> On Tue, Apr 13, 2021 at 11:36:22AM +0800, Longfang Liu wrote:
>> Register the live migration driver of the accelerator module to vfio
>>
>> Signed-off-by: Longfang Liu
>> drivers/vfio/pci/vfio_pci.c | 11 +++
>>
On Tue, Apr 13, 2021 at 11:36:22AM +0800, Longfang Liu wrote:
> Register the live migration driver of the accelerator module to vfio
>
> Signed-off-by: Longfang Liu
> drivers/vfio/pci/vfio_pci.c | 11 +++
> drivers/vfio/pci/vfio_pci_private.h | 9 +
> 2 files changed,
Register the live migration driver of the accelerator module to vfio
Signed-off-by: Longfang Liu
---
drivers/vfio/pci/vfio_pci.c | 11 +++
drivers/vfio/pci/vfio_pci_private.h | 9 +
2 files changed, 20 insertions(+)
diff --git a/drivers/vfio/pci/vfio_pci.c
Register the live migration driver of the accelerator module to vfio
Signed-off-by: Longfang Liu
---
drivers/vfio/pci/vfio_pci.c | 11 +++
drivers/vfio/pci/vfio_pci_private.h | 10 ++
2 files changed, 21 insertions(+)
diff --git a/drivers/vfio/pci/vfio_pci.c
Register the live migration driver of the accelerator module to vfio
Signed-off-by: Longfang Liu
Reviewed-by: Zengtao
---
drivers/vfio/pci/vfio_pci.c | 11 +++
drivers/vfio/pci/vfio_pci_private.h | 10 ++
2 files changed, 21 insertions(+)
diff --git
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