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 Thu, Jun 8, 2023 at 2:31 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.
>
08/06/2023 07:38, Jerin Jacob:
> On Thu, Jun 8, 2023 at 2:31 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
> >
On Thu, Jun 8, 2023 at 7:38 AM Jerin Jacob wrote:
>
> On Thu, Jun 8, 2023 at 2:31 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
On Thu, Jun 8, 2023 at 12:59 PM David Marchand
wrote:
>
> On Thu, Jun 8, 2023 at 7:38 AM Jerin Jacob wrote:
> >
> > On Thu, Jun 8, 2023 at 2:31 AM Abdullah Sevincer
> > wrote:
> > >
> > > vfio-pci driver in Linux kernel 6.2 enables PASID by default.
> > > In DLB hardware, enabling PASID puts DLB
> From: Jerin Jacob
> Sent: Thursday, June 8, 2023 7:32 AM
> To: David Marchand
> Cc: Sevincer, Abdullah ; Gaetan Rivet
> ; Thomas Monjalon
> ; dev@dpdk.org; jer...@marvell.com; Chen, Mike Ximing
>
> Subject: Re: [PATCH v1] event/dlb2: add support for disabling PASID
>+We will work on this proposal, it is not finalized yet.
>+Its not DLB2 specific as commenters say, we are looking into if there is
>another way doing it.
>+If it will end up common and not DLB specific for other drivers as well we
>will add function to pci common.
As far as we know this prob
On Wed, 7 Jun 2023 16:00:50 -0500
Abdullah Sevincer wrote:
> From: Abdullah Sevincer
> To: dev@dpdk.org
> Cc: jer...@marvell.com, mike.ximing.c...@intel.com, Abdullah Sevincer
>
> Subject: [PATCH v1] event/dlb2: add support for disabling PASID
> Date: Wed, 7 Jun 2023
On Thu, Jun 8, 2023 at 9:28 AM David Marchand wrote:
>
> On Thu, Jun 8, 2023 at 7:38 AM Jerin Jacob wrote:
> >
> > On Thu, Jun 8, 2023 at 2:31 AM Abdullah Sevincer
> > wrote:
> > >
> > > vfio-pci driver in Linux kernel 6.2 enables PASID by default.
> > > In DLB hardware, enabling PASID puts DLB
>+Is anybody looking into reworking this proposal and moving this code to the
>pci bus driver?
>+Cc: pci bus maintainers.
>+--
>+David Marchand
We will work on this proposal, it is not finalized yet.
Its not DLB2 specific as commenters say, we are looking into if there is
another way doing it
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