From: Jan Beulich <jbeulich@suse.com>
To: Mykyta Poturai <Mykyta_Poturai@epam.com>,
Stewart Hildebrand <stewart.hildebrand@amd.com>
Cc: "Roger Pau Monné" <roger.pau@citrix.com>,
"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v3 6/7] vpci: add SR-IOV support for DomUs
Date: Tue, 21 Apr 2026 16:55:25 +0200 [thread overview]
Message-ID: <c8e664fd-59f8-482d-ad48-99ff59842682@suse.com> (raw)
In-Reply-To: <1aaf1a087ca0003d943d43c55500b3ab84195cf5.1775742115.git.mykyta_poturai@epam.com>
On 09.04.2026 16:01, Mykyta Poturai wrote:
> From: Stewart Hildebrand <stewart.hildebrand@amd.com>
>
> Emulate guest BAR register values based on PF BAR values for VFs.
> This allows creating a guest view of the normal BAR registers and emulates
> the size and properties as it is done during PCI device enumeration by
> the guest.
>
> Expose VID/DID and class/revision to the guest.
>
> Note, that VFs ROM BAR is read-only and is all zeros, but VF may provide
> access to the PFs ROM via emulation and is not implemented.
>
> Signed-off-by: Stewart Hildebrand <stewart.hildebrand@amd.com>
> Signed-off-by: Mykyta Poturai <mykyta_poturai@epam.com>
So this change is merely to avoid having yet another gap on the road to
DomU support in vPCI? I.e. there's no claim or expectation that VFs
could now be used in DomU-s?
Jan
next prev parent reply other threads:[~2026-04-21 14:55 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-09 14:01 [PATCH v3 0/7] Implement SR-IOV support for PVH Mykyta Poturai
2026-04-09 14:01 ` [PATCH v3 2/7] vpci: rename and export vpci_guest_mem_bar_{read,write} Mykyta Poturai
2026-04-22 10:27 ` Roger Pau Monné
2026-04-09 14:01 ` [PATCH v3 1/7] vpci: rename and export vpci_modify_bars Mykyta Poturai
2026-04-09 14:01 ` [PATCH v3 3/7] vpci: Use pervcpu ranges for BAR mapping Mykyta Poturai
2026-04-22 11:00 ` Roger Pau Monné
2026-04-22 12:04 ` Jan Beulich
2026-04-22 14:20 ` Roger Pau Monné
2026-04-09 14:01 ` [PATCH v3 4/7] vpci: allow queueing of mapping operations Mykyta Poturai
2026-04-22 11:38 ` Roger Pau Monné
2026-04-09 14:01 ` [PATCH v3 6/7] vpci: add SR-IOV support for DomUs Mykyta Poturai
2026-04-21 14:55 ` Jan Beulich [this message]
2026-04-24 6:34 ` Mykyta Poturai
2026-04-09 14:01 ` [PATCH v3 5/7] vpci: add SR-IOV support for PVH Dom0 Mykyta Poturai
2026-04-09 15:27 ` Daniel P. Smith
2026-04-21 14:43 ` Jan Beulich
2026-04-23 10:12 ` Mykyta Poturai
2026-05-04 5:37 ` Jan Beulich
2026-05-06 9:39 ` Mykyta Poturai
2026-05-06 11:54 ` Jan Beulich
2026-05-07 20:40 ` Volodymyr Babchuk
2026-05-08 5:52 ` Jan Beulich
2026-05-08 5:52 ` Jan Beulich
2026-05-11 14:10 ` Volodymyr Babchuk
2026-05-12 6:20 ` Jan Beulich
2026-05-12 7:32 ` Mykyta Poturai
2026-05-12 8:58 ` Roger Pau Monné
2026-05-12 10:28 ` Volodymyr Babchuk
2026-05-12 13:22 ` Roger Pau Monné
2026-05-12 10:44 ` Jan Beulich
2026-05-12 11:11 ` Roger Pau Monné
2026-04-22 14:19 ` Roger Pau Monné
2026-04-28 20:05 ` Stewart Hildebrand
2026-04-09 14:01 ` [PATCH v3 7/7] docs: Update SR-IOV support status Mykyta Poturai
2026-04-21 14:56 ` Jan Beulich
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