linux-kernel - RE: [PATCH v2 15/15] vfio: Add struct device to vfio

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Message-ID: <BN9PR11MB5276B59903BC7F580EC667B48C7B9@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Thu, 1 Sep 2022 07:40:35 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Zhenyu Wang <zhenyuw@...ux.intel.com>,
        "Wang, Zhi A" <zhi.a.wang@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        "Joonas Lahtinen" <joonas.lahtinen@...ux.intel.com>,
        "Vivi, Rodrigo" <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Eric Farman <farman@...ux.ibm.com>,
        Matthew Rosato <mjrosato@...ux.ibm.com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Vineeth Vijayan <vneethv@...ux.ibm.com>,
        "Peter Oberparleiter" <oberpar@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Tony Krowiak <akrowiak@...ux.ibm.com>,
        Jason Herne <jjherne@...ux.ibm.com>,
        Harald Freudenberger <freude@...ux.ibm.com>,
        Diana Craciun <diana.craciun@....nxp.com>,
        "Alex Williamson" <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Longfang Liu <liulongfang@...wei.com>,
        Shameer Kolothum <shameerali.kolothum.thodi@...wei.com>,
        Jason Gunthorpe <jgg@...pe.ca>,
        Yishai Hadas <yishaih@...dia.com>,
        Eric Auger <eric.auger@...hat.com>,
        "Kirti Wankhede" <kwankhede@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        Abhishek Sahu <abhsahu@...dia.com>,
        "intel-gvt-dev@...ts.freedesktop.org" 
        <intel-gvt-dev@...ts.freedesktop.org>,
        "intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
CC:     "Liu, Yi L" <yi.l.liu@...el.com>
Subject: RE: [PATCH v2 15/15] vfio: Add struct device to vfio_device

> From: Tian, Kevin <kevin.tian@...el.com>
> Sent: Thursday, September 1, 2022 10:38 PM
> 
> diff --git a/Documentation/ABI/testing/sysfs-devices-vfio-dev
> b/Documentation/ABI/testing/sysfs-devices-vfio-dev
> new file mode 100644
> index 000000000000..e21424fd9666
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-devices-vfio-dev
> @@ -0,0 +1,8 @@
> +What:		 /sys/.../<device>/vfio-dev/vfioX/
> +Date:		 September 2022
> +Contact:	 Yi Liu <yi.l.liu@...el.com>
> +Description:
> +		 This directory is created when the device is bound to a
> +		 vfio driver. The layout under this directory matches what
> +		 exists for a standard 'struct device'. 'X' is a unique
> +		 index marking this device in vfio.

This missed an update to MAINTAINER file:

diff --git a/MAINTAINERS b/MAINTAINERS
index 589517372408..3fc8c599f4f2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21310,6 +21310,7 @@ R:      Cornelia Huck <cohuck@...hat.com>
 L:	kvm@...r.kernel.org
 S:	Maintained
 T:	git git://github.com/awilliam/linux-vfio.git
+F:	Documentation/ABI/testing/sysfs-devices-vfio-dev
 F:	Documentation/driver-api/vfio.rst
 F:	drivers/vfio/
 F:	include/linux/vfio.h

Alex, I sent a wrong version w/o fixing two checkpatch warnings (this
and the one in patch12). Please let me know whether you want me to
resend.

Thanks
Kevin