Re: [PATCH 0/3] Add RC-to-EP doorbell with platform MSI controller

From: Manivannan Sadhasivam
Date: Fri Aug 25 2023 - 04:35:41 EST


On Thu, Aug 24, 2023 at 03:01:30PM -0400, Frank Li wrote:
> On Mon, Jul 17, 2023 at 10:06:39AM -0400, Frank Li wrote:
> > On Mon, Jun 12, 2023 at 12:17:25PM -0400, Frank Li wrote:
> > > On Fri, May 12, 2023 at 02:45:12PM +0000, Frank Li wrote:
> > > > >
> > > > > This patches add new API to pci-epf-core, so any EP driver can use it.
> > > > >
> > > > > The key point is comments from Thomas Gleixner, who suggest use new
> > > > > PCI/IMS. But arm platform change still not be merged yet.
> > > > >
> > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git devmsi-v2-arm
> > > > >
> > > > > So I still use existed method implement RC to EP doorbell.
> > > > >
> > > > > If Thomas Gleixner want to continue work on devmsi-v2-arm, I can help test
> > > > > and update this patch.
> > > > >
> > > >
> > > > Ping?
> > >
> > > Ping?
> >
> > ping?
>
> @Mani
> Do you have chance to review these patches? It provide a common
> method with GIC ITS to implement notification from RC to EP.
>

Sorry for the delay. I was wating for a review from Thomas. But since this
series hasn't caught his attention, I'll provide my review next week.

- Mani

> Frank
>
> >
> > >
> > > >
> > > > > Frank Li (3):
> > > > > PCI: endpoint: Add RC-to-EP doorbell support using platform MSI
> > > > > controller
> > > > > misc: pci_endpoint_test: Add doorbell test case
> > > > > tools: PCI: Add 'B' option for test doorbell
> > > > >
> > > > > drivers/misc/pci_endpoint_test.c | 41 +++++++++++
> > > > > drivers/pci/endpoint/pci-epf-core.c | 109
> > > > > ++++++++++++++++++++++++++++
> > > > > include/linux/pci-epf.h | 16 ++++
> > > > > include/uapi/linux/pcitest.h | 1 +
> > > > > tools/pci/pcitest.c | 16 +++-
> > > > > 5 files changed, 182 insertions(+), 1 deletion(-)
> > > > >
> > > > > --
> > > > > 2.34.1
> > > >

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