From: Cornelia Huck <cohuck@redhat.com>
To: Christoph Hellwig <hch@lst.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jason Gunthorpe <jgg@nvidia.com>,
Alex Williamson <alex.williamson@redhat.com>,
Kirti Wankhede <kwankhede@nvidia.com>
Cc: Tony Krowiak <akrowiak@linux.ibm.com>,
Jason Herne <jjherne@linux.ibm.com>,
kvm@vger.kernel.org, Vasily Gorbik <gor@linux.ibm.com>,
Jonathan Corbet <corbet@lwn.net>, David Airlie <airlied@linux.ie>,
linux-s390@vger.kernel.org, Heiko Carstens <hca@linux.ibm.com>,
linux-doc@vger.kernel.org, dri-devel@lists.freedesktop.org,
Halil Pasic <pasic@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind
Date: Tue, 15 Jun 2021 16:06:11 +0200 [thread overview]
Message-ID: <87wnqvw7cc.fsf@redhat.com> (raw)
In-Reply-To: <20210615133519.754763-8-hch@lst.de>
On Tue, Jun 15 2021, Christoph Hellwig <hch@lst.de> wrote:
> From: Jason Gunthorpe <jgg@nvidia.com>
>
> This allows a mdev driver to opt out of using vfio_mdev.c, instead the
> driver will provide a 'struct mdev_driver' and register directly with the
> driver core.
>
> Much of mdev_parent_ops becomes unused in this mode:
> - create()/remove() are done via the mdev_driver probe()/remove()
> - mdev_attr_groups becomes mdev_driver driver.dev_groups
> - Wrapper function callbacks are replaced with the same ones from
> struct vfio_device_ops
>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> drivers/vfio/mdev/mdev_core.c | 30 ++++++++++++++++++++++--------
> drivers/vfio/mdev/mdev_driver.c | 10 ++++++++++
> include/linux/mdev.h | 2 ++
> 3 files changed, 34 insertions(+), 8 deletions(-)
>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2021-06-15 14:06 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210615133519.754763-1-hch@lst.de>
[not found] ` <20210615133519.754763-5-hch@lst.de>
2021-06-15 14:03 ` [PATCH 04/10] driver core: Don't return EPROBE_DEFER to userspace during sysfs bind Cornelia Huck
2021-06-15 19:36 ` Alex Williamson
[not found] ` <20210615133519.754763-8-hch@lst.de>
2021-06-15 14:06 ` Cornelia Huck [this message]
2021-06-15 14:11 ` [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind Greg Kroah-Hartman
2021-06-16 0:00 ` Jason Gunthorpe
2021-06-16 6:39 ` Greg Kroah-Hartman
2021-06-16 20:20 ` Kirti Wankhede
[not found] ` <20210615133519.754763-6-hch@lst.de>
2021-06-15 14:10 ` [PATCH 05/10] driver core: Export device_driver_attach() Greg Kroah-Hartman
[not found] ` <20210615133519.754763-10-hch@lst.de>
2021-06-15 14:12 ` [PATCH 09/10] vfio/mdpy: Convert to use vfio_register_group_dev() Greg Kroah-Hartman
[not found] ` <20210615133519.754763-11-hch@lst.de>
2021-06-15 14:12 ` [PATCH 10/10] vfio/mbochs: " Greg Kroah-Hartman
2021-06-15 19:35 ` Allow mdev drivers to directly create the vfio_device (v3) Alex Williamson
2021-06-15 20:35 ` Jason Gunthorpe
[not found] ` <20210616031313.GA24992@lst.de>
2021-06-16 14:03 ` Jason Gunthorpe
[not found] ` <20210615133519.754763-3-hch@lst.de>
2021-06-15 13:53 ` [PATCH 02/10] driver core: Better distinguish probe errors in really_probe Cornelia Huck
2021-06-15 14:09 ` Greg Kroah-Hartman
2021-06-15 14:09 ` Greg Kroah-Hartman
2021-06-16 20:20 ` Kirti Wankhede
[not found] ` <20210615133519.754763-7-hch@lst.de>
2021-06-15 14:10 ` [PATCH 06/10] vfio/mdev: Remove CONFIG_VFIO_MDEV_DEVICE Greg Kroah-Hartman
2021-06-16 20:20 ` Kirti Wankhede
[not found] ` <20210615133519.754763-9-hch@lst.de>
2021-06-15 14:11 ` [PATCH 08/10] vfio/mtty: Convert to use vfio_register_group_dev() Greg Kroah-Hartman
2021-06-16 20:20 ` Kirti Wankhede
[not found] <20210614150846.4111871-1-hch@lst.de>
[not found] ` <20210614150846.4111871-8-hch@lst.de>
2021-06-15 10:54 ` [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind Cornelia Huck
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