Hm that didn't come through right..
On Wed, 2020-04-08 at 18:16 -0600, Jonathan Derrick wrote:
> Hi Daniel,
>
> Reviving this thread
>
> On Thu, 2020-02-20 at 18:06 +0800, Daniel Drake wrote:
> > > On Wed, Feb 19, 2020 at 11:40 AM Lu Baolu
> > > wrote:
> > > > With respect, this is problematic
Hi Daniel,
Reviving this thread
On Thu, 2020-02-20 at 18:06 +0800, Daniel Drake wrote:
> > On Wed, Feb 19, 2020 at 11:40 AM Lu Baolu wrote:
> > > With respect, this is problematical. The parent and all subdevices share
> > > a single translation entry. The DMA mask should be consistent.
> > >
>
Hi Baolu, Daniel,
Sorry for the delay. Was offline for the last week.
On Thu, 2020-02-20 at 19:58 +0800, Lu Baolu wrote:
> Hi,
>
> On 2020/2/20 18:06, Daniel Drake wrote:
> > > On Wed, Feb 19, 2020 at 11:40 AM Lu Baolu
> > > wrote:
> > > > With respect, this is problematical. The parent and al
Hi,
On 2020/2/20 18:06, Daniel Drake wrote:
On Wed, Feb 19, 2020 at 11:40 AM Lu Baolu wrote:
With respect, this is problematical. The parent and all subdevices share
a single translation entry. The DMA mask should be consistent.
Otherwise, for example, subdevice A has 64-bit DMA capability an
> On Wed, Feb 19, 2020 at 11:40 AM Lu Baolu wrote:
> > With respect, this is problematical. The parent and all subdevices share
> > a single translation entry. The DMA mask should be consistent.
> >
> > Otherwise, for example, subdevice A has 64-bit DMA capability and uses
> > an identity domain f
On Wed, Feb 19, 2020 at 11:40 AM Lu Baolu wrote:
> With respect, this is problematical. The parent and all subdevices share
> a single translation entry. The DMA mask should be consistent.
>
> Otherwise, for example, subdevice A has 64-bit DMA capability and uses
> an identity domain for DMA trans
Hi,
On 2020/2/19 11:21, Daniel Drake wrote:
From: Jon Derrick
The PCI devices handled by intel-iommu may have a DMA requester on
another bus, such as VMD subdevices needing to use the VMD endpoint.
The real DMA device is now used for the DMA mapping, but one case was
missed earlier: if the VMD
From: Jon Derrick
The PCI devices handled by intel-iommu may have a DMA requester on
another bus, such as VMD subdevices needing to use the VMD endpoint.
The real DMA device is now used for the DMA mapping, but one case was
missed earlier: if the VMD device (and hence subdevices too) are under
I