On Tue, Nov 13, 2018 at 05:38:53PM +0200, Yehezkel Bernat wrote:
> Good point. But I thought about per-TBT-device decision. If the platform is
> configured for IOMMU+"user" security level, while approving the device the
> user
> may want to set also in which IOMMU group to put all the PCIe devices
On Tue, Nov 13, 2018 at 5:20 PM Mika Westerberg
wrote:
>
> On Tue, Nov 13, 2018 at 04:42:58PM +0200, Yehezkel Bernat wrote:
> > On Tue, Nov 13, 2018 at 1:40 PM Mika Westerberg
> > wrote:
> > >
> > > On Tue, Nov 13, 2018 at 01:13:31PM +0200, Yehezkel Bernat wrote:
> > > > On Tue, Nov 13, 2018 at 1
On Tue, Nov 13, 2018 at 04:42:58PM +0200, Yehezkel Bernat wrote:
> On Tue, Nov 13, 2018 at 1:40 PM Mika Westerberg
> wrote:
> >
> > On Tue, Nov 13, 2018 at 01:13:31PM +0200, Yehezkel Bernat wrote:
> > > On Tue, Nov 13, 2018 at 12:56 PM Mika Westerberg
> > > wrote:
> > > >
> > > > > Just one point
On Tue, Nov 13, 2018 at 1:40 PM Mika Westerberg
wrote:
>
> On Tue, Nov 13, 2018 at 01:13:31PM +0200, Yehezkel Bernat wrote:
> > On Tue, Nov 13, 2018 at 12:56 PM Mika Westerberg
> > wrote:
> > >
> > > > Just one point:
> > > > Have you considered the option to add this property per (TBT?) device?
On Tue, Nov 13, 2018 at 1:32 AM Will Deacon wrote:
>
> On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote:
> > On Mon, Oct 29, 2018 at 3:09 PM Will Deacon wrote:
> > > On Thu, Sep 27, 2018 at 06:46:07PM -0400, Rob Clark wrote:
> > > > We seem to need to set either this or CFCFG (stall), ot
On Tue, Nov 13, 2018 at 01:27:00PM +0200, Mika Westerberg wrote:
[...]
> > To be frank the concept (and Microsoft _DSD bindings) seems a bit vague
> > and not thoroughly defined and I would question its detection at
> > PCI/ACPI core level, I would hope this can be clarified at ACPI
> > specifica
On Tue, Nov 13, 2018 at 01:13:31PM +0200, Yehezkel Bernat wrote:
> On Tue, Nov 13, 2018 at 12:56 PM Mika Westerberg
> wrote:
> >
> > > Just one point:
> > > Have you considered the option to add this property per (TBT?) device?
> >
> > No. ;-)
> >
> > You mean that one device uses security levels
On Tue, Nov 13, 2018 at 09:54:24AM +0100, Joerg Roedel wrote:
> On Mon, Nov 12, 2018 at 07:06:24PM +0300, Mika Westerberg wrote:
> > Lu Baolu (1):
> > iommu/vt-d: Force IOMMU on for platform opt in hint
> >
> > Mika Westerberg (3):
> > PCI / ACPI: Identify external PCI devices
> > iommu/vt-d
On Tue, Nov 13, 2018 at 10:56:36AM +, Lorenzo Pieralisi wrote:
> On Mon, Nov 12, 2018 at 07:02:03PM +0100, Lukas Wunner wrote:
> > On Mon, Nov 12, 2018 at 07:06:25PM +0300, Mika Westerberg wrote:
> > > --- a/drivers/pci/probe.c
> > > +++ b/drivers/pci/probe.c
> > > @@ -1378,6 +1378,27 @@ static
On Tue, Nov 13, 2018 at 12:56 PM Mika Westerberg
wrote:
>
> > Just one point:
> > Have you considered the option to add this property per (TBT?) device?
>
> No. ;-)
>
> You mean that one device uses security levels and another IOMMU? I don't
> think it is possible without having some sort of table
On Mon, Nov 12, 2018 at 07:12:14PM +0100, Lukas Wunner wrote:
> On Mon, Nov 12, 2018 at 07:06:24PM +0300, Mika Westerberg wrote:
> > Recent systems shipping with Windows 10 version 1803 or newer may be
> > utilizing IOMMU to prevent DMA attacks via Thunderbolt ports. This is
> > different from the
On Mon, Nov 12, 2018 at 07:02:03PM +0100, Lukas Wunner wrote:
> On Mon, Nov 12, 2018 at 07:06:25PM +0300, Mika Westerberg wrote:
> > --- a/drivers/pci/probe.c
> > +++ b/drivers/pci/probe.c
> > @@ -1378,6 +1378,27 @@ static void set_pcie_thunderbolt(struct pci_dev *dev)
> > }
> > }
> >
> > +s
On Mon, Nov 12, 2018 at 06:59:02PM +0200, Yehezkel Bernat wrote:
> On Mon, Nov 12, 2018 at 6:06 PM Mika Westerberg
> wrote:
> >
> > Recent systems shipping with Windows 10 version 1803 or later may
> > support a feature called Kernel DMA protection [1]. In practice this
> > means that Thunderbolt
On Mon, Nov 12, 2018 at 04:22:25PM +, mario.limoncie...@dell.com wrote:
> > +DMA protection utilizing IOMMU
> > +--
> > +Recent systems shipping with Windows 10 version 1803 or later may support a
> > +feature called `Kernel DMA Protection for Thunderbolt 3`_. This
On Mon, Nov 12, 2018 at 07:06:24PM +0300, Mika Westerberg wrote:
> Lu Baolu (1):
> iommu/vt-d: Force IOMMU on for platform opt in hint
>
> Mika Westerberg (3):
> PCI / ACPI: Identify external PCI devices
> iommu/vt-d: Do not enable ATS for external devices
> thunderbolt: Export IOMMU based
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