On Tue, May 26, 2020 at 12:26:54PM -0600, Alex Williamson wrote:
> > >
> > > I don't think the language in the spec is anything sufficient to handle
> > > RCiEP uniquely. We've previously rejected kernel command line opt-outs
> > > for ACS, and the extent to which those patches still float around
On Tue, 26 May 2020 11:06:48 -0700
"Raj, Ashok" wrote:
> Hi Alex,
>
> I was able to find better language in the IOMMU spec that gaurantees
> the behavior we need. See below.
>
>
> On Tue, May 05, 2020 at 09:34:14AM -0600, Alex Williamson wrote:
> > On Tue, 5 May 2020 07:56:06 -0700
> > "Raj,
Hi Alex,
I was able to find better language in the IOMMU spec that gaurantees
the behavior we need. See below.
On Tue, May 05, 2020 at 09:34:14AM -0600, Alex Williamson wrote:
> On Tue, 5 May 2020 07:56:06 -0700
> "Raj, Ashok" wrote:
>
> > On Tue, May 05, 2020 at 08:05:14AM -0600, Alex Willia
On Tue, 5 May 2020 07:56:06 -0700
"Raj, Ashok" wrote:
> On Tue, May 05, 2020 at 08:05:14AM -0600, Alex Williamson wrote:
> > On Mon, 4 May 2020 23:11:07 -0700
> > "Raj, Ashok" wrote:
> >
> > > Hi Alex
> > >
> > > + Joerg, accidently missed in the Cc.
> > >
> > > On Mon, May 04, 2020 at 11:1
On Tue, May 05, 2020 at 08:05:14AM -0600, Alex Williamson wrote:
> On Mon, 4 May 2020 23:11:07 -0700
> "Raj, Ashok" wrote:
>
> > Hi Alex
> >
> > + Joerg, accidently missed in the Cc.
> >
> > On Mon, May 04, 2020 at 11:19:36PM -0600, Alex Williamson wrote:
> > > On Mon, 4 May 2020 21:42:16 -070
On Mon, 4 May 2020 23:11:07 -0700
"Raj, Ashok" wrote:
> Hi Alex
>
> + Joerg, accidently missed in the Cc.
>
> On Mon, May 04, 2020 at 11:19:36PM -0600, Alex Williamson wrote:
> > On Mon, 4 May 2020 21:42:16 -0700
> > Ashok Raj wrote:
> >
> > > PCIe Spec recommends we can relax ACS requirem
Hi Alex
+ Joerg, accidently missed in the Cc.
On Mon, May 04, 2020 at 11:19:36PM -0600, Alex Williamson wrote:
> On Mon, 4 May 2020 21:42:16 -0700
> Ashok Raj wrote:
>
> > PCIe Spec recommends we can relax ACS requirement for RCIEP devices.
> >
> > PCIe 5.0 Specification.
> > 6.12 Access Cont
On Mon, 4 May 2020 21:42:16 -0700
Ashok Raj wrote:
> PCIe Spec recommends we can relax ACS requirement for RCIEP devices.
>
> PCIe 5.0 Specification.
> 6.12 Access Control Services (ACS)
> Implementation of ACS in RCiEPs is permitted but not required. It is
> explicitly permitted that, within a
PCIe Spec recommends we can relax ACS requirement for RCIEP devices.
PCIe 5.0 Specification.
6.12 Access Control Services (ACS)
Implementation of ACS in RCiEPs is permitted but not required. It is
explicitly permitted that, within a single Root Complex, some RCiEPs
implement ACS and some do not. I