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

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Date:   Fri, 12 May 2023 14:45:12 +0000
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

> 
> 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?

> 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