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The ETHTOOL_GGRO constant was introduced to Linux in
commit b240a0e5644eb817c4a397098a40e1ad42a615bc
Author: Herbert Xu <herbert@gondor.apana.org.au>
Date: Mon Dec 15 23:44:31 2008 -0800
ethtool: Add GGRO and SGRO ops
This is old enough that all our supported platforms can be assumed
to have this feature.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The ETHTOOL_GGSO constant was introduced to Linux in
commit 37c3185a02d4b85fbe134bf5204535405dd2c957
Author: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu Jun 22 03:07:29 2006 -0700
[NET]: Added GSO toggle
This is old enough that all our supported platforms can be assumed
to have this feature.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
ethtool is a Linux specific feature that has existed since before Linux
moved to git. Checking against SIOCETHTOOL + WITH_STRUCT_IFREQ is
overkill for our needs.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The unshare() syscall was introduced to Linux in
commit 2da436e00f9a5fdd0fb6b31e4b2b2ba82e8f5ab8
Author: JANAK DESAI <janak@us.ibm.com>
Date: Tue Feb 7 12:59:03 2006 -0800
[PATCH] unshare system call -v5: system call registration for i386
This is old enough that all our supported platforms can be assumed
to have this feature. Furthermore, the virprocess.c file was already
using unshare() with nothing more than a #ifdef __linux__ check.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The LO_FLAGS_AUTOCLEAR constant was introduced to Linux in
commit 96c5865559cee0f9cbc5173f3c949f6ce3525581
Author: David Woodhouse <dwmw2@infradead.org>
Date: Wed Feb 6 01:36:27 2008 -0800
Allow auto-destruction of loop devices
This is old enough that all our supported platforms can be assumed
to have this feature. For added fun this whole meson check was
semantically insane because EPOLL_CLOEXEC is not a valid arg
to unshare().
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The EPOLL_CLOEXEC constant was introduced to Linux in
commit a0998b50c3f0b8fdd265c63e0032f86ebe377dbf
Author: Ulrich Drepper <drepper@redhat.com>
Date: Wed Jul 23 21:29:27 2008 -0700
flag parameters: epoll_create
This is old enough that all our supported platforms can be assumed
to have this feature. For added fun this whole meson check was
semantically insane because EPOLL_CLOEXEC is not a valid arg
to unshare().
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The LOOP_CTL_GET_FREE constant was introduced to Linux in
commit 770fe30a46a12b6fb6b63fbe1737654d28e84844
Author: Kay Sievers <kay.sievers@vrfy.org>
Date: Sun Jul 31 22:08:04 2011 +0200
loop: add management interface for on-demand device allocation
This is old enough that all our supported platforms can be assumed
to have this feature. As a plus point, this meson check is going
to start failing with future GCC. It fails to set _GNU_SOURCE, thus
'unshare' is not defined by the header, and its relying on an
implicit function decl. For added fun this whole meson check was
semantically insane because LOOP_CTL_GET_FREE is not a valid arg
to unshare().
Fixes https://fedoraproject.org/wiki/Toolchain/PortingToModernC
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When starting a guest with <interface/> which has the target
device name set (i.e. not generated by us), it may happen that
the TAP device already exists. This then may lead to all sorts of
problems. For instance: for <interface type='network'/> the TAP
device is plugged into the network's bridge, but since the TAP
device is persistent it remains plugged there even after the
guest is shut off. We don't have a code that unplugs TAP devices
from the bridge because TAP devices we create are transient, i.e.
are removed automatically when QEMU closes their FD.
The only exception is <interface type='ethernet'/> with <target
managed='no'/> where we specifically want to let users use
pre-created TAP device and basically not touch it at all.
There's another reason for denying to use a pre-created TAP
devices: if we ever have bug in TAP name generation, we may
re-use a TAP device from another domain.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2144738
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
A caller might be interested in the case when @ifname was already
set and it wasn't a template. In such case the
virNetDevGenerateName() does not touch the @ifname at all and
returns 0 to indicate success. Make it return 1 to distinguish
this case from the other case, in which a new name was generated.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
The script had an incorrect interpreter line until commit
f6a19d7264, so the flake8 check would not realize it needed
to pick it up and these issues, some of which were present it
the very first version that was committed, were not being
reported.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Go through env(1) instead of hardcoding the path to the Python
interpreter, as we already do for all other Python scripts.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Scripts from the following list were installed with group write
bit set: virt-xml-validate, virt-pki-validate,
virt-sanlock-cleanup, libvirt-guests.sh. This is very unusual and
in contrast with the way other scripts/binaries are installed.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2151202
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
When running virsh snapshot-* command, such as snapshot-create-as /
snapshot-delete, it prints a result message.
On the other hand virsh snapshot-revert command doesn't print a result
message.
So, This patch fixes to add message when running virsh snapshot-revert
command.
# virsh snapshot-create-as vm1 test1
Domain snapshot test01 created
# virsh snapshot-revert vm1 test1
# virsh snapshot-delete vm1 test1
Domain snapshot test01 deleted
Signed-off-by: Haruka Ohata <ohata.haruka@fujitsu.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Historically, QEMU took screenshots in PPM. While this might use
to be popular format, as of v7.1.0-rc0~125^2~6 it is possible to
take screenshots in PNG. This is more popular and renders almost
everywhere, which is not the case for PPM (for instance, modern
browsers do not render it).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The 'screendump' command has new argument 'format'. Let's expose
this on our QMP level so that callers can specify the format, if
they wish so.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
For some reason, only @file argument is printed into debug logs.
The rest of arguments was left out. Include all arguments.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In its v7.1.0-rc0~125^2~6 commit, QEMU gained support for taking
screenshots in PNG format. Track this capability.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The spec file contains inconsistent use of blank lines. While trying to
make significant changes to the file, I found it hurts both readability
and maintainability. Remove blank lines that interrupt the overall flow
and consistency.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Internal domain state needs to be refreshed after reset from the guest
side because it may be inconsistent with the internal qemu state.
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Internal domain state may change during the reset and qemu does
not always send events about it. In case it happens, internal
state of the domain in libvirt would be inconsistent with the
internal state in qemu which could cause additional problems
(e.g. cdrom tray state can change from open to closed). The
solution is to refresh state after a successful reset to query
qemu about the current internal domain state.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1824722
Signed-off-by: Kristina Hanicova <khanicov@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Paths for external devices (well, so far only vTPM) are not
stored in the status XML. Therefore, we need to regenerate them
after we've been restarted and reconnecting to a running domain.
Otherwise these will remain NULL which may later lead to a NULL
dereference.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2150760
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This function is going to be called outside of qemu_extdevice.c.
Expose it to the rest of the driver.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The path generation phase belongs conceptually into domain
preparation phase and not host preparation. Move
qemuExtDevicesInitPaths() call from qemuExtDevicesPrepareHost()
into qemuExtDevicesPrepareDomain().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The domain startup process is split into multiple phases. One of
them is preparing the domain (at that point live) XML, private
data, various paths, etc - see qemuProcessPrepareDomain(); the
other prepares the host - see qemuProcessPrepareHost(). It's
obvious that the domain XML preparation function must be called
before the host preparation function (e.g. the host preparation
might try to create a file which path is generated in the domain
preparation phase). Nevertheless, let's document this
expectation.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function is now unused. Remove it to dissuade anybody from trying to
use it in the future.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'virDomainDeviceDefCopy' formats the definition and parses it back.
Since we already are parsing the XML here, we're better off parsing it
twice and save the formatting step.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'virDomainDeviceDefCopy' formats the definition and parses it back.
Since we already are parsing the XML here, we're better off parsing it
twice and save the formatting step.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Remove the 'cleanup' label and 'ret' variable as we can now directly
return form all cases.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'virDomainDeviceDefCopy' formats the definition and parses it back.
Since we already are parsing the XML here, we're better off parsing it
twice and save the formatting step.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'virDomainDeviceDefCopy' formats the definition and parses it back.
Since we already are parsing the XML here, we're better off parsing it
twice and save the formatting step.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We don't refuse override definitions for device which doesn't exist and
the same way don't care about 'remove' being used on a property which is
not actually formatted by libvirt. Drop the paragraph claiming the
contrary.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add an example of invoking qemu with '-device TYPE,?' to query
properties of a given type.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The 'number' override type didn't exist in the final version so change
it to the corresponding 'signed' and 'unsigned'.
Additionally clarify which override type is used for a corresponding
qemu type and also that we use base 10 numbers so users will need to
convert the numbers if needed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use of qemuDomainValidateVcpuInfo in the helpers for hotplug and unplug
of vCPUs can lead to spurious errors reported such as:
internal error: qemu didn't report thread id for vcpu 'XX'"
The reason for this is that qemuDomainValidateVcpuInfo validates the
state of all vCPUs against the expected state of vCPUs. If an unplug
operation completed before libvirt was unable to process it yet the
expected state could not reflect the current state.
To avoid spurious errors the qemuDomainHotplugAddVcpu and
qemuDomainRemoveVcpu functions are modified to do localized validation
only for the vCPUs they actually modify.
We also now ensure that the cgroups are modified before bailing out on
error for any vCPUs which passed validation.
Additionally in order for qemuDomainRemoveVcpuAlias to be able to find
the unplugged vCPU we must ensure that qemuDomainRefreshVcpuInfo does
not clear out the alias in case when the vCPU is no longer reported by
qemu.
Co-authored-by: Partha Satapathy <partha.satapathy@oracle.com>
Signed-off-by: Shaleen Bathla <shaleen.bathla@oracle.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Recently, the QEMU driver gained support for migration with TPM
state on a shared volume (e.g. NFS). As a part of that, the
destination side avoids setting seclabels on it to avoid cutting
off the source while it is still using it. Makes sense, except
for a wee bit: the secdriver API does a bit more - it also sets
label on the swtpm log file. And this one definitely needs to be
labeled (it lives under /var/log/swtpm/libvirt/qemu/..., i.e. not
on a shared volume).
Previously, qemuSecurityStartTPMEmulator() took care of that. But
during rework to shared volume migration, the code was changed so
now plain qemuSecurityCommandRun() would be run (i.e. no
relabelling).
But after previous commits, we can now chose whether the TPM
state should be relabelled or just the log file.
Fixes: 2e669ec789
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2130192#c7
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This is basically just a continuation of the previous commit.
Now that the security driver APIs have a boolean flag that
controls setting/restoring seclabel of either both TPM state and
log files, or just the log file, propagate this boolean into
those APIs that start/stop swtpm emulator. For now, just pass
true. The juicy bits are soon to come.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The virSecurityDomainSetTPMLabels() and
virSecurityDomainRestoreTPMLabels() APIs set/restore label on two
files/directories:
1) the TPM state (tpm->data.emulator.storagepath), and
2) the TPM log file (tpm->data.emulator.logfile).
Soon there will be a need to set the label on the log file but
not on the state. Therefore, extend these APIs for a boolean flag
that when set does both, but when unset does only 2).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The return value of virXMLPropString was assigned into 'tmp' multiple
times and to prevent static analyzers moaning about a potential leak a
short-circuited if logic or was used.
Replace the code by having a helper variable for each possibility and
also replace the for-loop to iterate elements.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Introduce a simple helper fetching a sub-element node by name. This is
meant as a simple replacement for either open-coded versions of this or
use of XPath for this trivial lookup.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The XPath lookup guarantees that the top level element is always 'disk'
so there's no need to check that it actually is. We can also remove the
two unnecessary temporary variables.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic pointer freeing for the 'disk_node' variable and remove
the 'cleanup' label and 'ret' variable.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
