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Document change to multiple watchdogs

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With the reasoning behind it.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Martin Kletzander 2023-01-20 18:22:30 +01:00
parent 926594dcc8
commit 2fa92efe9b
1 changed files with 8 additions and 2 deletions
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docs/formatdomain.rst
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@ -7544,8 +7544,8 @@ defaults to 'WAV' with QEMU.
:since:`Since 7.2.0, qemu`
Watchdog device
~~~~~~~~~~~~~~~
Watchdog devices
~~~~~~~~~~~~~~~~
A virtual hardware watchdog device can be added to the guest via the
``watchdog`` element. :since:`Since 0.7.3, QEMU and KVM only`
@ -7557,6 +7557,11 @@ anything useful on its own.
Currently libvirt does not support notification when the watchdog fires. This
feature is planned for a future version of libvirt.
Having multiple watchdogs is usually not something very common, but be aware
that this might happen, for example, when an implicit watchdog device is added
as part of another device. For example whe iTCO watchdog being part of the ich9
southbridge, which is used with the q35 machine type. :since:`Since 9.1.0`
::
...
@ -7579,6 +7584,7 @@ feature is planned for a future version of libvirt.
QEMU and KVM support:
- 'itco' - included by default with q35 machine type :since:`Since 9.1.0`
- 'i6300esb' - the recommended device, emulating a PCI Intel 6300ESB
- 'ib700' - emulating an ISA iBase IB700
- 'diag288' - emulating an S390 DIAG288 device :since:`Since 1.2.17`