From: Jason Gunthorpe <jgg@nvidia.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: David Airlie <airlied@linux.ie>,
Tony Krowiak <akrowiak@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Cornelia Huck <cohuck@redhat.com>,
Jonathan Corbet <corbet@lwn.net>, Daniel Vetter <daniel@ffwll.ch>,
Diana Craciun <diana.craciun@oss.nxp.com>,
dri-devel@lists.freedesktop.org,
Eric Auger <eric.auger@redhat.com>,
Eric Farman <farman@linux.ibm.com>,
Harald Freudenberger <freude@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
intel-gfx@lists.freedesktop.org,
intel-gvt-dev@lists.freedesktop.org,
Jani Nikula <jani.nikula@linux.intel.com>,
Jason Herne <jjherne@linux.ibm.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
kvm@vger.kernel.org, Kirti Wankhede <kwankhede@nvidia.com>,
linux-doc@vger.kernel.org, linux-s390@vger.kernel.org,
Matthew Rosato <mjrosato@linux.ibm.com>,
Peter Oberparleiter <oberpar@linux.ibm.com>,
Halil Pasic <pasic@linux.ibm.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Vineeth Vijayan <vneethv@linux.ibm.com>,
Zhi Wang <zhi.a.wang@intel.com>,
"Raj, Ashok" <ashok.raj@intel.com>,
Christoph Hellwig <hch@lst.de>,
Leon Romanovsky <leonro@nvidia.com>,
Max Gurtovoy <mgurtovoy@nvidia.com>,
Yishai Hadas <yishaih@nvidia.com>,
Zhenyu Wang <zhenyuw@linux.intel.com>
Subject: Re: [Intel-gfx] [PATCH v3 09/14] vfio/pci: Change vfio_pci_try_bus_reset() to use the dev_set
Date: Thu, 5 Aug 2021 20:05:20 -0300 [thread overview]
Message-ID: <20210805230520.GO1721383@nvidia.com> (raw)
In-Reply-To: <20210805113311.65a16bba.alex.williamson@redhat.com>
On Thu, Aug 05, 2021 at 11:33:11AM -0600, Alex Williamson wrote:
> > +static int vfio_pci_is_device_in_set(struct pci_dev *pdev, void *data)
> > +{
> > + struct vfio_device_set *dev_set = data;
> > + struct vfio_device *cur;
> > +
> > + lockdep_assert_held(&dev_set->lock);
> > +
> > + list_for_each_entry(cur, &dev_set->device_list, dev_set_list)
> > + if (cur->dev == &pdev->dev)
> > + return 0;
> > + return -EBUSY;
> > +}
> > +
> > +static bool vfio_pci_dev_set_needs_reset(struct vfio_device_set *dev_set)
>
> Slight nit on the name here since we're essentially combining
> needs_reset along with the notion of the device being unused. I'm not
> sure, maybe "should_reset"? Otherwise it looks ok. Thanks,
What I did is add a new function vfio_pci_dev_set_resettable() which
pulls in three parts of logic that can be be shared with the
VFIO_DEVICE_PCI_HOT_RESET change in the next patch. That leaves this
function as purely needs_reset.
In turn the VFIO_DEVICE_PCI_HOT_RESET patch gets the same treatment
where it becomes a dev_set centric API just like this.
I'll send it as a v4.
Thanks,
Jason
next prev parent reply other threads:[~2021-08-05 23:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-29 0:49 [Intel-gfx] [PATCH v3 00/14] Provide core infrastructure for managing open/release Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 01/14] vfio/samples: Remove module get/put Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 02/14] vfio/mbochs: Fix missing error unwind of mbochs_used_mbytes Jason Gunthorpe
2021-07-29 7:21 ` Christoph Hellwig
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 03/14] vfio: Introduce a vfio_uninit_group_dev() API call Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 04/14] vfio: Provide better generic support for open/release vfio_device_ops Jason Gunthorpe
2021-07-29 7:26 ` Christoph Hellwig
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 05/14] vfio/samples: Delete useless open/close Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 06/14] vfio/fsl: Move to the device set infrastructure Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 07/14] vfio/platform: Use open_device() instead of open coding a refcnt scheme Jason Gunthorpe
2021-08-05 12:37 ` Eric Auger
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 08/14] vfio/pci: Move to the device set infrastructure Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 09/14] vfio/pci: Change vfio_pci_try_bus_reset() to use the dev_set Jason Gunthorpe
2021-07-29 7:30 ` Christoph Hellwig
2021-08-03 16:34 ` Alex Williamson
2021-08-03 16:41 ` Jason Gunthorpe
2021-08-03 16:52 ` Alex Williamson
2021-08-05 11:47 ` Jason Gunthorpe
2021-08-05 17:33 ` Alex Williamson
2021-08-05 23:05 ` Jason Gunthorpe [this message]
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 10/14] vfio/pci: Reorganize VFIO_DEVICE_PCI_HOT_RESET to use the device set Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 11/14] vfio/mbochs: Fix close when multiple device FDs are open Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 12/14] vfio/ap, ccw: Fix open/close " Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 13/14] vfio/gvt: " Jason Gunthorpe
2021-07-29 0:49 ` [Intel-gfx] [PATCH v3 14/14] vfio: Remove struct vfio_device_ops open/release Jason Gunthorpe
2021-07-29 2:13 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Provide core infrastructure for managing open/release (rev7) Patchwork
2021-07-29 2:37 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-07-29 8:16 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2021-08-05 14:26 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Provide core infrastructure for managing open/release (rev8) Patchwork
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210805230520.GO1721383@nvidia.com \
--to=jgg@nvidia.com \
--cc=airlied@linux.ie \
--cc=akrowiak@linux.ibm.com \
--cc=alex.williamson@redhat.com \
--cc=ashok.raj@intel.com \
--cc=borntraeger@de.ibm.com \
--cc=cohuck@redhat.com \
--cc=corbet@lwn.net \
--cc=daniel@ffwll.ch \
--cc=diana.craciun@oss.nxp.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=eric.auger@redhat.com \
--cc=farman@linux.ibm.com \
--cc=freude@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=hch@lst.de \
--cc=intel-gfx@lists.freedesktop.org \
--cc=intel-gvt-dev@lists.freedesktop.org \
--cc=jani.nikula@linux.intel.com \
--cc=jjherne@linux.ibm.com \
--cc=joonas.lahtinen@linux.intel.com \
--cc=kvm@vger.kernel.org \
--cc=kwankhede@nvidia.com \
--cc=leonro@nvidia.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=mgurtovoy@nvidia.com \
--cc=mjrosato@linux.ibm.com \
--cc=oberpar@linux.ibm.com \
--cc=pasic@linux.ibm.com \
--cc=rodrigo.vivi@intel.com \
--cc=vneethv@linux.ibm.com \
--cc=yishaih@nvidia.com \
--cc=zhenyuw@linux.intel.com \
--cc=zhi.a.wang@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).