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

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Date:   Mon, 12 Jun 2023 12:17:25 -0400
From:   Frank Li <Frank.li@....com>
To:     "tglx@...utronix.de" <tglx@...utronix.de>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "manivannan.sadhasivam@...aro.org" <manivannan.sadhasivam@...aro.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>
Cc:     Aisheng Dong <aisheng.dong@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "festevam@...il.com" <festevam@...il.com>,
        "imx@...ts.linux.dev" <imx@...ts.linux.dev>,
        "jdmason@...zu.us" <jdmason@...zu.us>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "kishon@...com" <kishon@...com>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>, "kw@...ux.com" <kw@...ux.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        dl-linux-imx <linux-imx@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "lpieralisi@...nel.org" <lpieralisi@...nel.org>,
        "maz@...nel.org" <maz@...nel.org>,
        "ntb@...ts.linux.dev" <ntb@...ts.linux.dev>,
        Peng Fan <peng.fan@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>
Subject: Re: [PATCH 0/3] Add RC-to-EP doorbell with platform MSI controller

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? 

> 
> > 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
>