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news: Add PCI VPD parser & capability notes

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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dmitrii Shcherbakov <dmitrii.shcherbakov@canonical.com>
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Dmitrii Shcherbakov 2021-10-20 11:30:35 +03:00 committed by Daniel P. Berrangé
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commit a2c40900ed
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NEWS.rst
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@ -44,6 +44,28 @@ v7.9.0 (unreleased)
Filesystems backed by virtiofsd can now be hotplugged and hotunplugged.
* virpcivpd: Add a PCI VPD parser
A parser for the standard PCI/PCIe VPD ("I.3. VPD Definitions" in PCI 2.2+
and an equivalent definition in "6.28.1 VPD Format" PCIe 4.0) was added
along with relevant types to represent PCI VPD in memory. This
functionality got added for Linux only at this point (kernels above
v2.6.26 have support for exposing VPD via sysfs).
* virpci: Add PCI VPD-related helper functions to virpci
In order to utilize the PCI VPD parser, a couple of helper functions got
introduced to check for the presence of a VPD file in the sysfs tree and
to invoke the PCI VPD parser to get a list of resources representing PCI
VPD contents in memory.
* nodedev: Add PCI VPD capability support
Support for serializing and deserializing PCI VPD data structures is added
following the addition of the PCI VPD parser. A new PCI device capability
called "vpd" is introduced holding string resources and keyword resources
found in PCI VPD.
* **Improvements**
* Use of JSON syntax with ``-device`` with upcoming QEMU-6.2