vfio-pci driver in Linux kernel 6.2 enables PASID by default.
In DLB hardware, enabling PASID puts DLB in SIOV mode. This
breaks DLB PF-PMD mode. For DLB PF-PMD mode to function properly
PASID needs to be disabled for kernel 6.2.
In this commit this issue is addressed and PASID is disabled
by writ
On Tue, Oct 31, 2023 at 4:12 AM Abdullah Sevincer
wrote:
>
> vfio-pci driver in Linux kernel 6.2 enables PASID by default.
> In DLB hardware, enabling PASID puts DLB in SIOV mode. This
> breaks DLB PF-PMD mode. For DLB PF-PMD mode to function properly
> PASID needs to be disabled for kernel 6.2.
>
> +This patch can be splited as two,
> +1) Generic PCIe function to enable/disable PASID
> +2) Call generic function to disable PASID in drivers/event/dlb2/. Also
> mention which Linux kernel commit is introducing this issue in the git commit
> log.
Hi Jerrin,
I think I need to provide more inf
On Tue, Oct 31, 2023 at 8:43 PM Sevincer, Abdullah
wrote:
>
>
> > +This patch can be splited as two,
> > +1) Generic PCIe function to enable/disable PASID
> > +2) Call generic function to disable PASID in drivers/event/dlb2/. Also
> > mention which Linux kernel commit is introducing this issue in
On Tue, Oct 31, 2023 at 10:36:04PM +0530, Jerin Jacob wrote:
> On Tue, Oct 31, 2023 at 8:43 PM Sevincer, Abdullah
> wrote:
> >
> >
> > > +This patch can be splited as two,
> > > +1) Generic PCIe function to enable/disable PASID
> > > +2) Call generic function to disable PASID in drivers/event/dlb2
On Tue, Oct 31, 2023 at 10:45 PM Bruce Richardson
wrote:
>
> On Tue, Oct 31, 2023 at 10:36:04PM +0530, Jerin Jacob wrote:
> > On Tue, Oct 31, 2023 at 8:43 PM Sevincer, Abdullah
> > wrote:
> > >
> > >
> > > > +This patch can be splited as two,
> > > > +1) Generic PCIe function to enable/disable PA
On Wed, Nov 01, 2023 at 12:12:02AM +0530, Jerin Jacob wrote:
> On Tue, Oct 31, 2023 at 10:45 PM Bruce Richardson
> wrote:
> >
> > On Tue, Oct 31, 2023 at 10:36:04PM +0530, Jerin Jacob wrote:
> > > On Tue, Oct 31, 2023 at 8:43 PM Sevincer, Abdullah
> > > wrote:
> > > >
> > > >
> > > > > +This patc
On Wed, Nov 1, 2023 at 2:14 AM Bruce Richardson
wrote:
>
> On Wed, Nov 01, 2023 at 12:12:02AM +0530, Jerin Jacob wrote:
> > On Tue, Oct 31, 2023 at 10:45 PM Bruce Richardson
> > wrote:
> > >
> > > On Tue, Oct 31, 2023 at 10:36:04PM +0530, Jerin Jacob wrote:
> > > > On Tue, Oct 31, 2023 at 8:43 PM
>++ PCIe maintainers.
>+I will leave this up to @David Marchand / @Thomas as this patch has common
>code changes and needs to come via main tree.
>+Also in this case, The comment was given very early(Back in June 7) for the
>same.
>+https://patches.dpdk.org/project/dpdk/patch/20230607210050.1
On Wed, Nov 01, 2023 at 07:05:54PM +, Sevincer, Abdullah wrote:
>
> >++ PCIe maintainers.
>
> >+I will leave this up to @David Marchand / @Thomas as this patch has common
> >code changes and needs to come via main tree.
>
> >+Also in this case, The comment was given very early(Back in June
02/11/2023 11:23, Bruce Richardson:
> On Wed, Nov 01, 2023 at 07:05:54PM +, Sevincer, Abdullah wrote:
> >
> > >++ PCIe maintainers.
> >
> > >+I will leave this up to @David Marchand / @Thomas as this patch has
> > >common code changes and needs to come via main tree.
> >
> > >+Also in this
>+> WDYT, Jerin, Abdullah.
It is a good idea to make it internal, I will work on that and upstream a new
one.
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