From: Alex Williamson <alex.williamson@redhat.com>
To: Alex Mastro <amastro@fb.com>
Cc: Jonathan Corbet <corbet@lwn.net>, Jason Gunthorpe <jgg@ziepe.ca>,
Keith Busch <kbusch@kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-fsdevel@vger.kernel.org>, <linux-doc@vger.kernel.org>,
<kvm@vger.kernel.org>
Subject: Re: [PATCH v4] vfio/pci: print vfio-device syspath to fdinfo
Date: Wed, 27 Aug 2025 12:54:58 -0600 [thread overview]
Message-ID: <20250827125458.6bc70a1d.alex.williamson@redhat.com> (raw)
In-Reply-To: <20250804-show-fdinfo-v4-1-96b14c5691b3@fb.com>
On Mon, 4 Aug 2025 12:44:31 -0700
Alex Mastro <amastro@fb.com> wrote:
> Print the PCI device syspath to a vfio device's fdinfo. This enables tools
> to query which device is associated with a given vfio device fd.
>
> This results in output like below:
>
> $ cat /proc/"$SOME_PID"/fdinfo/"$VFIO_FD" | grep vfio
> vfio-device-syspath: /sys/devices/pci0000:e0/0000:e0:01.1/0000:e1:00.0/0000:e2:05.0/0000:e8:00.0
>
> Signed-off-by: Alex Mastro <amastro@fb.com>
> ---
> Changes in v4:
> - Remove changes to vfio.h
> - Link to v3: https://lore.kernel.org/r/20250801-show-fdinfo-v3-1-165dfcab89b9@fb.com
Applied to vfio next branch for v6.18. Thanks,
Alex
prev parent reply other threads:[~2025-08-27 18:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-04 19:44 [PATCH v4] vfio/pci: print vfio-device syspath to fdinfo Alex Mastro
2025-08-07 9:34 ` Amit Machhiwal
2025-08-07 16:50 ` Alex Mastro
2025-08-08 13:49 ` Cédric Le Goater
2025-08-08 15:45 ` Amit Machhiwal
2025-08-08 16:44 ` Cédric Le Goater
2025-08-08 17:21 ` Amit Machhiwal
2025-08-14 8:58 ` Amit Machhiwal
2025-08-27 18:54 ` Alex Williamson [this message]
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