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qemu supports this enlightenment since version 7.10.
From the qemu commit:
Hyper-V specification allows to pass parameters for certain hypercalls
using XMM registers ("XMM Fast Hypercall Input"). When the feature is
in use, it allows for faster hypercalls processing as KVM can avoid
reading guest's memory.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
qemu supports this enlightenment since version 7.10.
From the qemu commit:
The newly introduced enlightenment allow L0 (KVM) and L1 (Hyper-V)
hypervisors to collaborate to avoid unnecessary updates to L2
MSR-Bitmap upon vmexits.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This introduces a new 'ps2' feature which, when disabled, results in
no implicit PS/2 bus input devices being automatically added to the
domain and addition of the 'i8042=off' machine option to the QEMU
command-line.
A notable side effect of disabling the i8042 controller in QEMU is that
the vmport device won't be created. For this reason we will not allow
setting the vmport feature if the ps2 feature is explicitly disabled.
Signed-off-by: Kamil Szczęk <kamil@szczek.dev>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This will allow to print full domains info:
Id Name State UUID
---------------------------
Signed-off-by: Nikolai Barybin <nikolai.barybin@virtuozzo.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Based on discussion after commit f432114d9c was pushed it was pointed
out that the documentation still mentions the older version.
Fix the documentation to state the new version and introduce ambiguity
for future updates.
Fixes: f432114d9c
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Add dma_translation attribute to iommu to enable/disable dma traslation
for intel-iommu
Signed-off-by: Sandesh Patel <sandesh.patel@nutanix.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Introduced only a couple of commits ago (in
v10.5.0-84-g90e50e67c6) the pstore device acts as a nonvolatile
storage, where guest kernel can store information about crashes.
This device, however, expects a file in the host from which the
crash data is read. So far, we expected users to provide a path,
but we can autogenerate one if missing. Just put it next to
per-domain's NVRAM stores.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The aim of pstore device is to provide a bit of NVRAM storage for
guest kernel to record oops/panic logs just before the it
crashes. Typical usage includes usage in combination with a
watchdog so that the logs can be inspected after the watchdog
rebooted the machine. While Linux kernel (and possibly Windows
too) support many backends, in QEMU there's just 'acpi-erst'
device so stick with that for now. The device must be attached to
a PCI bus and needs two additional values (well, corresponding
memory-backend-file needs them): size and path. Despite using
memory-backend-file this does NOT add any additional RAM to the
guest and thus I've decided to expose it as another device type
instead of memory model.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Kristina Hanicova <khanicov@redhat.com>
New element 'openfiles' had confusing name. Since the patch with
this new element wasn't propagate yet, old name ('rlimit_nofile')
was changed.
...
<binary>
<openfiles max='122333'/>
</binary>
...
Signed-off-by: Adam Julis <ajulis@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
User feedback has shown that the examples are not clear enough
to illustrate the cli passthrough concept in action.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Add an element to configure the rlimit nofile size:
...
<binary>
<rlimit_nofile size='122333'/>
</binary>
...
Non-positive values are forbidden in 'domaincommon.rng'. Added separate
test file, created by modifying the 'vhost-user-fs-fd-memory.xml'.
Signed-off-by: Adam Julis <ajulis@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
If mgmt apps on top of libvirt want to make a decision on the
backend type for <interface type='user'/> (e.g. whether past is
supported) we currently offer them no way to learn this fact.
Domain capabilities were invented exactly for this reason. Report
supported net backend types there.
Now, because of backwards compatibility, specifying no backend
type (which translates to VIR_DOMAIN_NET_BACKEND_DEFAULT) means
"use hyperviosr's builtin SLIRP". That behaviour can not be
changed. But it may happen that the hypervisor has no support for
SLIRP. So we have to report it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
In order to learn what types of <launchSecurity/> are supported
users can turn to domain capabilities and find <sev/> and
<s390-pv/> elements. While these may expose some additional info
on individual launchSecurity types, we are lacking clean
enumeration (like we do for say device models). And given that
SEV and SEV SNP share the same basis (info found under <sev/> is
applicable to SEV SNP too) we have no other way to report SEV SNP
support.
Therefore, report supported launchSecurity types in domain
capabilities.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
SEV-SNP is an enhancement of SEV/SEV-ES and thus it shares some
fields with it. Nevertheless, on XML level, it's yet another type
of <launchSecurity/>.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Sometimes in release hook it is useful to know if the VM shutdown was graceful
or not. This is especially useful to do cleanup based on the VM shutdown failure
reason in release hook. This patch proposes to use the last argument 'extra'
to pass VM shutoff reason in the call to release hook.
Making this change for Qemu and LXC.
Signed-off-by: Swapnil Ingle <swapnil.ingle@nutanix.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
These projects are not strictly part of libvirt, but are closely related
with many of the same developers and we manage them with 'lcitool
manifest' so it is useful to have them on the dashboard.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This project uses 'main' as the branch name, not 'master'
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Quite a few of the projects we have on the CI dashboard have been
archived at this point, thus don't show any pipeline status info.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The virt-pki-validate command can validate the system certificate
directories. The remote driver, however, also supports a standard
per-user certs location, as well as a runtime custom path. This
extends the validation tool to be able to cope with these alternate
locations too.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The virt-pki-validate tool is currently a shell script. We have a
general goal of eliminating use of shell in the project. By doing a
new implementation in C, we can also make use of our more thorough
sanity checking code to validate the certificate setup.
This new implementation the same output format as the host validation
tool for a more consistent user experiance.
It also eliminates the requirement to have certtool installed on
libvirt hosts, which has been an issue for Fedora flatpak packages
since certtool isn't in the default platform runtime.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When first writing the manpage in
commit 3decd4f9f1
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Wed Sep 16 14:42:57 2009 +0100
Make pki_check.sh into an installed & supported tool
I incorrectly credited Richard, instead of Daniel, who was the
author per
commit 62442d578d
Author: Daniel Veillard <veillard@redhat.com>
Date: Thu Jul 12 15:47:19 2007 +0000
* docs/libvir.html docs/remote.html: update the remote page,
add an index
* docs/pki_check.sh: shell script to check the PKI and client/server
environment.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
We currently require full argument specification:
virt-admin daemon-timeout --timeout X
Well, the '--timeout' feels a bit redundant. Turn the argument
into a positional so that the following works too:
virt-admin daemon-timeout X
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
In a few examples we recommend disabling daemon timeout when
fetching debug logs. While it makes sense the actual syntax used
results in an error:
# virt-admin daemon-timeout 0
error: unexpected data '0'
This is because --timeout is required. Update examples to include
it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
For the links of drvinterface, drvnetwork, drvnwfilter, and Nagios-virt,
there are no alternative docs. Just remove them directly.
Signed-off-by: Han Han <hhan@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Adds documentation for the <snapshotDeleteInProgress/> element to
the libvirt snapshot format XML reference. The <snapshotDeleteInProgress/>
element, introduced at commit 565bcb5d79, ensures the consistency of qcow2
images during snapshot deletion operations by marking disks in snapshot
metadata as invalid until deletion is successfully completed.
The commit was merged but the related documentation was missing.
Resolves: https://gitlab.com/libvirt/libvirt/-/issues/609
Signed-off-by: Abhiram Tilak <atp.exp@gmail.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The 'check-html-references' test will process the built HTML files,
so they must exist before it is run, along with any images that
they point to.
If using the older 'configure_file' command, no changes are needed
since that always gets executed at 'meson setup' time, rather than
at 'meson compile' time.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This patch adds parsing of the virtio sound model, along with parsing
of virtio options and PCI/virtio-mmio address assignment.
A new 'streams' attribute is added for configuring number of PCM streams
(default is 2) in virtio sound devices. QEMU additionally has jacks and chmaps
parameters but these are currently stubbed, hence they are excluded in this
patch series.
Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Since libvirt now tries to interpret network device models (unless an
unknow model is used) the documentation didn't make a good job
specifying what is supported.
Rewrite the docs to explicitly list the models which we do parse.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
There are PCI devices with pretty large non-prefetchable memory,
for instance:
Memory at 9d800000 (64-bit, non-prefetchable) [size=8M]
Memory at a6800000 (64-bit, non-prefetchable) [size=16K]
For cold plugged devices this is not a problem, because firmware
sets PCI controllers in a way that make devices behind them just
work. Problem arises if such PCI device is to be hot plugged.
Since the PCI device wasn't present at cold boot, firmware could
not take it into calculations and the amount of reserved memory
is not sufficient.
Introduce a know that allows users overriding value computed by
FW and thus allow hot plug of such PCI devices.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
At the moment, there is no configuration option for the libvirt-guests
service that allows users to define that only persistent virtual machines
should be shutdown on host shutdown.
Currently, the service config allows to choose between two ON_SHUTDOWN
actions that are executed on running virtual machines when the host goes
down: shutdown, suspend.
The ON_SHUTDOWN action should be orthogonal to the type of the virtual
machine. However, the existing implementation, does not suspend
transient virtual machines.
This is the matrix of actions that is executed on virtual machines based
on the configured ON_SHUTDOWN action and the type of a virtual machine.
| persistent | transient
shutdown | shutdown | shutdown (what we want to change)
suspend | suspend | nothing
Add config option PERSISTENT_ONLY to libvirt-guests config that allows
users to define if the ON_SHUTDOWN action should be applied only on
persistent virtual machines. PERSISTENT_ONLY can be set to true, false,
default. The default option will implement the already existing logic.
Case 1: PERSISTENT_ONLY=default
| persistent | transient
shutdown | shutdown | shutdown
suspend | suspend | nothing
Case 2: PERSISTENT_ONLY=true
| persistent | transient
shutdown | shutdown | nothing
suspend | suspend | nothing
Case 3: PERSISTENT_ONLY=false
| persistent | transient
shutdown | shutdown | shutdown
suspend | suspend | suspend
Signed-off-by: Benjamin Taubmann <benjamin.taubmann@nutanix.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This patch will allow usb-net devices to be automatically assigned a USB
address (and skip any attempt to assign a PCI one).
Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
We already allow the user to specify display="on" and ramfb="on" for
mdev host devices. But newer GPU models will no longer use the mdev
framework, so we should enable this same functionality for other
non-mdev passthrough PCI devices.
Resolves: https://issues.redhat.com/browse/RHEL-28808
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
For testing purposes it will come handy to change the directory from a
batch-mode script. Remove the check forbidding use of the 'cd' command
in batch mode.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Until now when '--name' was used the parent was not printed and the
option was ignored. One option would be to declare the options mutually
exclusive, but for testing it may come handy to print both the snapshot
name and parent. Adjust the code to print them tab-separated and adjust
the docs.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
As this command was introduced in this release add the flag requiring to
pass optionname.
This is needed to actually disallow positional parsing of the value
despite documenting that the flag name is required.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Expose usb-mtp device as another type of <filesystem/>.
Signed-off-by: Rayhan Faizel <rayhan.faizel@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Introduce the domdisplay-reload command to make the domain reload
its graphics certificates
#virsh domdisplay-reload <domain> --type <type>
Signed-off-by: Zheng Yan <yanzheng759@huawei.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Using check='none' when starting a domain with a CPU model marked as
usable is no longer needed as libvirt will do the right thing even with
check='partial'.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Ensure that all rows have 3 columns and avoid generation of emtpy
elements which would be turned by the XML formatter into non-pair td/tr
tags which don't work properly with HTML5 parsers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The source document can contain an empty '@flags' attribute which passes
the test but generates an empty element. Check that flags is non-empty
to trigger the fallback.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The HTML standard requires that a table column must include at least one
row which defines it exclusively, thus having a table where all rows
unite it via 'colspan' is illegal.
Modify the enum value generator to always output the description field
even when it's empty rather than uniting it, as in case when each value
doesn't have a description the generated document would violate the
standard.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The various objects we generate API for may have empty description in
which case an empty div would be generated when processing the API
description. As we're using XML output mode the generator would shorten
such divs to the non-pair empty element version, which doesn't work well
with HTML5 parsers requiring a pair tag for <div>
Avoid empty description <div> elements altogether by skipping it if the
description is empty.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
If an API has no ACLs an empty <div class='acl'/> would be generated
which is mis-interpreted by browsers when creating DOM to nest any
subsequent elements under it.
Don't generate the ACL section div unless it will be filled.
Best viewed with 'git show -w'
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Similarly to previous commit drop the 'type' attribute which is frowned
upon by the HTML standard.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Per the w3 html validator a HTML/XML comment is not allowed inside the
<script> tag, use a space instead as it must be a pair tag.
Additionally drop the 'type' attribute as it's not needed (validator
warns about it).
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
