In order to not affect running VMs, refreshing the halted state
is only performed if QEMU supports the query-cpus-fast QAPI.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
The s390 testcase verifies that the s390-specific cpu-state
field is correctly mapped to the halted property.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Extract architecture specific data from query-cpus[-fast] if
available. A new function qemuMonitorJSONExtractCPUArchInfo()
can then call architecture-specific extraction handlers.
Initially, there's a handler for s390 cpu info to
set the halted property depending on the s390 cpu state
returned by QEMU. With this it's still possible to report
the halted condition even when using query-cpus-fast.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Extended the json monitor test program with support for query-cpus-fast
and added a sample file set for x86 data obtained using the it.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Use query-cpus-fast instead of query-cpus if supported by QEMU.
Based on the QEMU_CAPS_QUERY_CPUS_FAST capability.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Print out the halted property in the test output.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Detect whether QEMU supports the QMP query-cpus-fast API
and set QEMU_CAPS_QUERY_CPUS_FAST in this case.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1529256
If one of the virStorageVolLookupBy{Key|Name|Path} succeeds and
we have a @vol, then clear the last libvirt error; otherwise, a
subsequent "other" failure may cause vshReportError to erroneously
report the wrong error as well as a reported 'vshError' error that
caused the failure.
Signed-off-by: John Ferlan <jferlan@redhat.com>
If QEMU uses a seccomp blacklist (since 2.11), -sandbox on
no longer tries to whitelist all the calls, but uses sets
of blacklists:
default (always blacklisted with -sandbox on)
obsolete (defaults to deny)
elevateprivileges (setuid & co, default: allow)
spawn (fork & execve, default: allow)
resourcecontrol (setaffinity, setscheduler, default: allow)
If these are supported, default to sandbox with all four
categories blacklisted.
https://bugzilla.redhat.com/show_bug.cgi?id=1492597
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
QEMU commit 1bd6152 changed the default behavior from whitelist
to blacklist and introduced a few sets of system calls.
Use the 'elevateprivileges' parameter of -sandbox as a witness
of this change.
https://bugzilla.redhat.com/show_bug.cgi?id=1492597
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Exit early if possible to simplify the logic.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Move the building of -sandbox command line into a separate function.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
virCaps was used only to propagate the host architecture, so the
function can be extracted in a way which does not require it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Implied by QEMU >= 1.2.0.
Delete the negative test cases now that they always pass.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This functions contains logic that tries to use vhost for virtio
interfaces, even if <driver name='vhost'/> was not supplied.
In this case, a failure is non-fatal.
On my system, /dev/vhost-net was not accessible to the user running
'make check', but we should not depend on that.
Mock it to prevent accessing /dev/vhost-net and return some predictable
file descriptor numbers instead.
Introduced by commit c1f684e - deprecate QEMU_CAPS_VHOST_NET.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reported-by: Jiří Denemark <jdenemar@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Due to conditional execution of virTestRun(), the testCounter was incremented
only if all the cases were run. When using VIR_TEST_RANGE=x-y, first x/2 of the
increments were skipped and that made figuring out a precise case a PITA.
Moving the condition into the test function makes it way nicer to find out the
test numbers to use in VIR_TEST_RANGE.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Implied by QEMU >= 1.2.0.
Also delete the now redundant disk-drive-copy-on-read test.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This function is indeed getting -device properties and not
-object properties. The current name is misleading.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Trying to delete the non-existent TLS objects results in ugly error
messages in the log, which could easily confuse users. Let's avoid this
confusion by not trying to delete the objects if we were not asked to
enable TLS migration and thus we didn't created the objects anyway.
This patch restores the behavior to the state before "qemu: Reset all
migration parameters".
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This will help us decide what to do when libvirtd is restarted while an
async job is running.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We store the flags passed to the API which started the migration. Let's
use them instead of a separate bool to check if post-copy migration was
requested.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We store the flags passed to the API which started QEMU_ASYNC_JOB_DUMP
and we can use them to check whether a memory-only dump is running.
There's no need for a specific bool flag.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
migrate_cancel QMP command cannot be used for cancelling memory-only
dumps and priv->job.dump_memory_only is used for reporting an error if
someone calls virDomainAbortJob when memory-only dump job is running.
Since commit 150930e309 the dump_memory_only flag is set only if
dump-guest-memory command was called without the detach parameter. This
would incorrectly allow libvirt to send migrate_cancel while the
detached memory-only dump is running.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When an async job is running, we sometimes need to know how it was
started to distinguish between several types of the job, e.g., post-copy
vs. normal migration. So far we added a specific bool item to
qemuDomainJobObj for such cases, which doesn't scale very well and
storing such bools in status XML would be painful so we didn't do it.
A better approach is to store the flags passed to the API which started
the async job, which can be easily stored in status XML.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This is an enhanced replacement for the original test from
qemumonitorjsontest which was dropped earlier in this series. More data
files with some real data will be added in the following patches.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
To be able to restore all migration parameters when libvirtd is
restarting during an active migration job, we need to store the original
values of all parameters (stored in priv->job.migParams) in the status
XML.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Most QEMU migration parameters directly correspond to
VIR_MIGRATE_PARAM_* typed parameters and qemuMigrationParamsFromFlags
can automatically set them according to a static mapping between libvirt
and QEMU parameters.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The API is renamed as qemuMigrationParamsGetULL and it can be used with
any migration parameter stored as unsigned long long.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When an always-on migration capability is supposed to be enabled on both
sides of migration, each side can only enable the feature if it is
enabled by the other side.
Thus the source host sends a list of supported migration capabilities in
the migration cookie generated in the Begin phase. The destination host
consumes the list in the Prepare phase and decides what capabilities can
be enabled when starting a QEMU process for incoming migration. Once
done the destination sends the list of supported capabilities back to
the source where it is used during the Perform phase to determine what
capabilities can be automatically enabled.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Some migration capabilities may be enabled automatically, but only if
both sides of migration support them. Thus we need to be able transfer
the list of supported migration capabilities in migration cookie.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Since the monitor code no longer needs to see this enum, we move it
to the place where migration parameters are defined and drop the
"monitor" reference from the name.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We want to have all migration capabilities parsing and formatting at one
place, i.e., in qemu_migration_params.c. The parsing is already there in
qemuMigrationCapsCheck.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Adding support for new migration parameter requires a lot of places to
be changed (most likely by copy&paste engineering): new variables to
store the parameter value and the associated *_set bool, JSON formatter
and parser, XML formatter and parser (to be added soon), and the actual
code to set the parameter. It's pretty easy to forget about some of the
places which need to be updated and end up with incorrect support. The
goal of this patch is to let most of the places do their job without any
modifications when new parameters are added.
To achieve the goal, a new qemuMigrationParam enum is introduced and all
parameters are stored in an array indexed by the items of this enum.
This will also allow us to automatically set the migration parameters
which directly correspond to libvirt's typed parameters accepted by
virDomainMigrate* APIs.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
