This sets the GLib event loop as the impl when calling
virEventRegisterDefaultImpl(). This remains a private
impl detail of libvirt, so applications must *NOT*
assume that a call to virEventRegisterDefaultImpl()
results in a GLib based event loop.
They should continue to use the libvirt-glib API
gvir_event_register() if they explicitly want to guarantee
a GLib event loop.
This follows the general principal that the libvirt public
API should not expose the fact that GLib is being used
internally.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The libvirt-glib project has provided a GMainContext based
event loop impl for applications. This imports it and sets
it up for use by libvirt as the primary event loop. This
remains a private impl detail of libvirt.
IOW, applications must *NOT* assume that a call to
"virEventRegisterDefaultImpl" results in a GLib based
event loop. They should continue to use the libvirt-glib
API gvir_event_register() if they explicitly want to
guarantee a GLib event loop.
This follows the general principle that the libvirt public
API should not expose the fact that GLib is being used
internally.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
To eliminate the dependancy on GNULIB's poll impl, we need
to change the RPC client code to use GMainLoop. We don't
really want to use GIOChannel, but it provides the most
convenient way to do socket event watches with Windows
portability. The other alternative would be to use GSocket
but that is a much more complex change affecting libvirt
more broadly.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
We need to be able to create event loop watches using the
GSource API for sockets. GIOChannel is able todo this, but
we don't want to use the GIOChannel APIs for reading/writing,
and testing shows just using its GSource APIs is unreliable
on Windows.
This patch thus creates a standalone helper API for creating
a GSource for a socket file descriptor. This impl is derived
from code in QEMU's io/channel-watch.c file that was written
by myself & Paolo Bonzini & thus under Red Hat copyright.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
For long running jobs (save, managed save, dump & live migrate)
virsh runs a background thread for executing the job and then
has the main thread catch Ctrl-C for graceful shutdown, as well
as displaying progress info.
The monitoring code is written using poll, with a pipe used
to get the completion status from the thread. Using a pipe
and poll is problematic for Windows portability. This rewrites
the code to use a GMainLoop instance for monitoring stdin and
doing progress updates. The use of a pipe is entirely eliminated,
instead there is just a shared variable between both threads
containing the job completion status.
No mutex locking is used because the background thread writes
to the variable only when the main loop is still running,
while the foreground thread only reads it after the main loop
has exited.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The contents of 'struct dirent' are only valid until the next call to
readdir() or closedir(). It is thus invalid to save a pointer to the
'd_name' field. Somehow this hasn't affected the test suite until
recently when FreeBSD 12 started showing use of uninitialized memory
resulting in test failures.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Pvpanic device supports bit 1 as crashloaded event, it means that
guest actually panicked and run kexec to handle error by guest side.
Handle crashloaded as a lifecyle event in libvirt.
Test case:
Guest side:
before testing, we need make sure kdump is enabled,
1, build new pvpanic driver (with commit from upstream
e0b9a42735f2672ca2764cfbea6e55a81098d5ba
191941692a3d1b6a9614502b279be062926b70f5)
2, insmod new kmod
3, enable crash_kexec_post_notifiers,
# echo 1 > /sys/module/kernel/parameters/crash_kexec_post_notifiers
4, trigger kernel panic
# echo 1 > /proc/sys/kernel/sysrq
# echo c > /proc/sysrq-trigger
Host side:
1, build new qemu with pvpanic patches (with commit from upstream
600d7b47e8f5085919fd1d1157f25950ea8dbc11
7dc58deea79a343ac3adc5cadb97215086054c86)
2, build libvirt with this patch
3, handle lifecycle event and trigger guest side panic
# virsh event stretch --event lifecycle
event 'lifecycle' for domain stretch: Crashed Crashloaded
events received: 1
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
When using ``....`` in RST, this results in <span class="literal">...</span>
instead of <code>...</code>. We thus need an extra rule to render it
with a monospace font. Colouring a light gray also helps the text
stand out a little more and matches background of <pre> blocks.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Starting a KVM domain on s390 with old machine type (such as
s390-ccw-virtio-2.5) and without any guest CPU model configured fails
with
CPU models are not available: KVM doesn't support CPU models
QEMU error. This is cause by libvirt using host-model CPU as the default
CPU based on QEMU reporting "host" CPU model as being the default one
(see commit v5.9.0-402-g24d8202294: qemu: Use host-model CPU on s390 by
default). However, even though both QEMU and KVM support CPU models on
s390 and QEMU can give us the host-model CPU, we can't use it with old
machine types which only support -cpu host.
https://bugzilla.redhat.com/show_bug.cgi?id=1795651
Reported-by: Christian Ehrhardt <paelzer@gmail.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The usability of a specific CPU mode may depend on machine type, let's
prepare for this by passing it to virQEMUCapsIsCPUModeSupported.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
After LXC version 3, some settings were changed to new names. Same as
network. LXC introduced network indexes and changed IPv{4,6} addresses
fields. Before, users should only pass `lxc.network.ipv4` to define an
IPv4 address. Now, on version 3, users need to pass
`lxc.net.X.ipv4.address` to specify the same thing. Same for IPv6.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
To configure network settings using config file, legacy LXC settings
require starting them with 'lxc.network.type' entry. If someone
accidentally starts with 'lxc.network.name', libvirt will crash with
segfault. This patch checks if this case is happening.
Sample invalid settings:
lxc.network.link = eth0
lxc.network.type = phys
lxc.network.name = eth1
lxc.network.ipv4 = 192.168.122.2/24
lxc.network.ipv4.gateway = 192.168.122.1
Now, libvirt only see error without segmentation fault.
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There is a race deadlock in eventtest after the recent rewrite to drop
GNULIB from libvirt code base.
The issue happens when the callbacks testPipeReader() or testTimer()
are called before waitEvents() starts waiting on `eventThreadCond`.
It will never happen because the callbacks are already done and there
is nothing that will signal the condition again.
Reported-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This patch adds a test case for domain XML with the tpm-spapr TPM device
model.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
This patch extends the ppc64 capabilities data with TPM related XML
and responses. The replies and xml files are copies of the 4.2.0 version
of these files with TPM related data added.
We also need to copy qemu_4.2.0.ppc64.xml to qemu_5.0.0.ppc64.xml.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Extend QEMU with tpm-spapr support. Assign a device address to the
vTPM device model.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Extend the QEMU capabilties with tpm-spapr support.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
This patch adds support for the tpm-spapr device model for ppc64. The XML for
this type of TPM looks as follows:
<tpm model='tpm-spapr'>
<backend type='emulator'/>
</tpm>
Extend the documentation.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Introduce VIR_DOMAIN_TPM_MODEL_DEFAULT as a default model which we use
in case the user does not provide a model in the device XML. It has
the TIS's previous value of '0'. In the post parsing function
we change this default value to 'TIS' to have the same model as before.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
This lets it generate the remote dispatch for StorageVolGetInfoFlags.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Technically, there is no memleak here, since the only
allocations are filled by virDomainDeviceInfoParseXML,
which cleans up after itself.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Simple g_autofree is not enough if we put allocated
data into the device structure.
Define the AUTOPTR_CLEANUP function and use it here.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reported-by: Xu Yandong <xuyandong2@huawei.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The virFilePrintf function was a wrapper for fprintf() to provide
Windows portability, since gnulib's fprintf() replacement was
license restricted. This is no longer needed now we have the
g_fprintf function available.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The printf/fprintf function impls provided on Windows do
not follow the normal syntax for format specifiers as
the UNIX hosts. Currently we use GNULIB to provide a
portability fix for this. GLib has also imported the
GNULIB impl for this same reason, and thus we can rely
on the g_printf / g_fprintf functions.
This identified a couple of places not explicitly
linking to glib.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
On macOS some definitions are in xlocale.h, instead of in
locale.h. GNULIB hides this difference by making the latter
include the former.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
MinGW lacks ENOMSG until version 6.0.0 (Fedora 31).
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
All our supported Linux distros now have this header.
It has never existed on FreeBSD / macOS / Mingw.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When we get rid of GNULIB, we need to check for -lpthread
support.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The O_SYNC flag is not defined on Windows platforms.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This addreses portability to Windows and standardizes
error reporting. This fixes a number of places which
failed to set O_CLOEXEC or failed to report errors.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This hides the differences between Windows and UNIX,
and adds standard error reporting.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The build still succeeds with the workaround removed, so
whatever was causing the problem no longer exists.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Most code now uses the virProcess / virCommand APIs, so
the need for sys/wait.h is quite limited. Removing this
include removes the dependency on GNULIB providing a
dummy sys/wait.h for Windows.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Almost none of the virFDStream code will actually work
on WIN32 builds, nor is it used except for in the
virtualbox driver for screenshots. It is simpler to
wrap it all in a '#ifndef WIN32'.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Remove imports of poll.h which are redundant, and
conditionalize remaining usage that needs to compile
on Windows platforms.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The current event loop test suite has two threads running
in lockstep. This was just about viable when we have full
control over the internal details of the event loop impl.
When we're using the GLib event loop though there are
things going on that we don't know about, such as use of
eventfd() file descriptors. This will break the assumptions
in the test suite, causing non-deterministic failures.
This change switches the event loop thread to run fully
asynchronously from the test suite cases. This is slightly
weaker validation, but the only way we can get a reliable
test suite.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This effectively reverts
commit 39c77fe586
Author: Michal Prívozník <mprivozn@redhat.com>
Date: Wed Jan 16 11:58:00 2013 +0100
Introduce event loop to commandtest
because nothing in the current test suite needs this
event loop.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The event test directly calls the internal poll event impl
APIs. It does not rely on any specific details of the poll
impl, so it is better to use the public APIs.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The flag for the virDomainUndefine API is supported even if we report
that <backup supported='no'/>. Mention it in the docs.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Use qemuBlockBitmapsHandleBlockcopy to calculate bitmaps to copy over
for a block-copy job.
We copy them when pivoting to the new image as at that point we are
certain that we don't dirty any bitmap unnecessarily.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use some of the existing bitmap data to add tests for
qemuBlockBitmapsHandleBlockcopy.
As the output depends on the ordering in the hash table we must also
install the "virdeterministichash" mock preload library.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add a function calculating which bitmaps to copy to the mirror during
a block-copy operation.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add a case where a bitmap spanning multiple images is missing one of the
intermediate components.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add a validator which checks that a bitmap spanning multiple backing
chain members doesn't look broken. The current rules are that no
intermediate birmaps are missing (unfortunately it's hard to know
whether the topmost or bottommost bitmap is missing) and none of the
components is inconsistent.
We can obviously improve it over time.
The validator is also tested against the existing bitmap data we have
for the backup merging test as well as some of the existing broken
bitmap synthetic test cases.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The flags may control important aspects of the block job which may
influence also the termination of the job. Store the 'flags' for all
the block job types.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add a variable which will store the contents of the 'flags' variable as
passed in by the individual block jobs. Since the flags may influence
behaviour of the jobs it's important to preserve them to the
finalization steps.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use g_new0 and skip checking of the return value of keyCopy callback
as both are bound to return a valid pointer.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tweak the return value expectation comment so that it doesn't
necessarily require to allocate memory and refactor the implementations.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
