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The QOM path in qemu that contains the CPUID registers of a running VM
may not be present (introduced in QEMU 1.5).
Since commit d94b781771 we have a regression with QEMU that don't
support reporting of the CPUID register state via the monitor as the
process startup code expects the path to exist.
This patch adds code that checks with the monitor if the requested path
already exists and uses it only in this case.
The qemu monitor supports retrieval of actual CPUID bits presented to
the guest using QMP monitor. Add APIs to extract these information and
tests for them.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
'const fooPtr' is the same as 'foo * const' (the pointer won't
change, but it's contents can). But in general, if an interface
is trying to be const-correct, it should be using 'const foo *'
(the pointer is to data that can't be changed).
Fix up offenders in the testsuite.
* tests/cputest.c (cpuTestCompareXML): Use intended type.
* tests/qemucapabilitiestest.c (testQemuCaps): Likewise.
* tests/qemumonitorjsontest.c: Drop const.
Signed-off-by: Eric Blake <eblake@redhat.com>
So far, we're unit testing some basic functions and some (so called)
simple functions (e.g. "qmp_capabilities", "system_powerdown"). However,
there are more functions which expect simple "{'return': {}}" reply, but
takes more args to construct the command (for instance "set_link"). This
patch aims on such functions.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
The test case average timing code has not been used by any test
case ever. Delete it to remove complexity.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
qemumonitorjsontest.c: In function 'testQemuMonitorJSONqemuMonitorJSONGetBalloonInfo':
qemumonitorjsontest.c:1134: warning: integer constant is too large for 'long' type
* tests/qemumonitorjsontest.c
(testQemuMonitorJSONqemuMonitorJSONGetBalloonInfo)
(testQemuMonitorJSONqemuMonitorJSONGetBlockStatsInfo): Use correct
type.
Signed-off-by: Eric Blake <eblake@redhat.com>
Right now, we are testing qemuMonitorSystemPowerdown instead of
qemuMonitorJSONSystemPowerdown. It makes no harm, as both functions have
the same header and the former is just a wrapper over the latter. But we
should be consistent as we're testing the JSON functions only in here.
This macro is there to test the simplest monitor functions we have,
those in the form of: int ( *func) (qemuMonitorPtr). So far, we have
seven such functions.
Commit 58b147ad07 added a test for
qemuMonitorGetDeviceAliases but forgot to free the test object at the
end which causes all sort of weird errors and failures when new tests
are added after the GetDeviceAliases.
Add a new qemuMonitorJSONSetObjectProperty() method to support invocation
of the 'qom-set' JSON monitor command with a provided path, property, and
expected data type to set.
NOTE: The set API was added only for the purpose of the qemumonitorjsontest
The test code uses the same "/machine/i440fx" property as the get test and
attempts to set the "realized" property to "true" (which it should be set
at anyway).
Add a new qemuMonitorJSONGetObjectProperty() method to support invocation
of the 'qom-get' JSON monitor command with a provided path, property, and
expected data type return. The qemuMonitorJSONObjectProperty is similar to
virTypedParameter; however, a future patch will extend it a bit to include
a void pointer to balloon driver statistic data.
NOTE: The ObjectProperty structures and API are added only for the
purpose of the qemumonitorjsontest
The provided test will execute a qom-get on "/machine/i440fx" which will
return a property "realized".
Add a new qemuMonitorJSONGetObjectListPaths() method to support invocation
of the 'qom-list' JSON monitor command with a provided path.
NOTE: The ListPath structures and API's are added only for the
purpose of the qemumonitorjsontest
The returned list of paired data fields of "name" and "type" that can
be used to peruse QOM configuration data and eventually utilize for the
balloon statistics.
The test does a "{"execute":"qom-list", "arguments": { "path": "/"}}" which
returns "{"return": [{"name": "machine", "type": "child<container>"},
{"name": "type", "type": "string"}]}" resulting in a return of an array
of 2 elements with [0].name="machine", [0].type="child<container>". The [1]
entry appears to be a header that could be used some day via a command such
as "virsh qemuobject --list" to format output.
The function being introduced is responsible for preparing and
executing 'chardev-add' qemu monitor command. Moreover, in case
of PTY chardev, the corresponding pty path is updated.
Convert the type of loop iterators named 'i', 'j', k',
'ii', 'jj', 'kk', to be 'size_t' instead of 'int' or
'unsigned int', also santizing 'ii', 'jj', 'kk' to use
the normal 'i', 'j', 'k' naming
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Ever since the conversion to using only QMP for probing features
of qemu 1.2 and newer, we have been unable to detect features
that are added only by additional command line options. For
example, we'd like to know if '-machine mem-merge=on' (added
in qemu 1.5) is present. To do this, we will take advantage
of qemu 1.5's query-command-line-parameters QMP call [1].
This patch wires up the framework for probing the command results;
if the QMP command is missing, or if a particular command line
option does not output any parameters (for example, -net uses
a polymorphic parser, which showed up as no parameters as of qemu
1.5), we silently treat that command as having no results.
[1] https://lists.gnu.org/archive/html/qemu-devel/2013-04/msg05180.html
* src/qemu/qemu_monitor.h (qemuMonitorGetOptions)
(qemuMonitorSetOptions)
(qemuMonitorGetCommandLineOptionParameters): New functions.
* src/qemu/qemu_monitor_json.h
(qemuMonitorJSONGetCommandLineOptionParameters): Likewise.
* src/qemu/qemu_monitor.c (_qemuMonitor): Add cache field.
(qemuMonitorDispose): Clean it.
(qemuMonitorGetCommandLineOptionParameters): Implement new function.
* src/qemu/qemu_monitor_json.c
(qemuMonitorJSONGetCommandLineOptionParameters): Likewise.
(testQemuMonitorJSONGetCommandLineParameters): Test it.
Signed-off-by: Eric Blake <eblake@redhat.com>
This patch removes the defaultDiskDriverName from the virCaps
structure. This particular default value is used only in the qemu driver
so this patch uses the recently added callback to fill the driver name
if it's needed instead of propagating it through virCaps.
This patch is the result of running:
for i in $(git ls-files | grep -v html | grep -v \.po$ ); do
sed -i -e "s/virDomainXMLConf/virDomainXMLOption/g" -e "s/xmlconf/xmlopt/g" $i
done
and a few manual tweaks.
The virCaps structure gathered a ton of irrelevant data over time that.
The original reason is that it was propagated to the XML parser
functions.
This patch aims to create a new data structure virDomainXMLConf that
will contain immutable data that are used by the XML parser. This will
allow two things we need:
1) Get rid of the stuff from virCaps
2) Allow us to add callbacks to check and add driver specific stuff
after domain XML is parsed.
This first attempt removes pointers to private data allocation functions
to this new structure and update all callers and function that require
them.
On RHEL 5, I noticed this test failure message:
TEST: qemumonitorjsontest
libvirt not compiled with yajl, skippingSKIP: qemumonitorjsontest
* tests/virstoragetest.c (testPrepImages): Use simpler fputs.
* tests/qemumonitorjsontest.c (mymain): Ensure trailing newline.
testutils.c likes to print summaries after a test completes,
including if it failed. But if the test outright exit()s,
this summary is skipped. Enforce that we return instead of exit.
* cfg.mk (sc_prohibit_exit_in_tests): New syntax check.
* tests/commandhelper.c (main): Fix offenders.
* tests/qemumonitorjsontest.c (mymain): Likewise.
* tests/seclabeltest.c (main): Likewise.
* tests/securityselinuxlabeltest.c (mymain): Likewise.
* tests/securityselinuxtest.c (mymain): Likewise.
* tests/testutils.h (VIRT_TEST_MAIN_PRELOAD): Likewise.
* tests/testutils.c (virtTestMain): Likewise.
(virtTestCaptureProgramOutput): Use symbolic name.
Now that the segfault is solved, we can skip instead of fail
the test when yajl is not present.
* tests/qemumonitorjsontest.c (mymain): Skip if no yajl.
To enable virCapabilities instances to be reference counted,
turn it into a virObject. All cases of virCapabilitiesFree
turn into virObjectUnref
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The 'package' string returned by qemuMonitorGetVersion() needs to
be VIR_FREE()'d.
testQemuMonitorJSONGetMachines(), testQemuMonitorJSONGetCPUDefinitions(),
and testQemuMonitorJSONGetCommands() did not VIR_FREE() the array and
array elements allocated by their respective qemuMonitorGet* routines.
Add a new qemuMonitorGetCPUCommands() method to support invocation
of the 'query-commands' JSON monitor command. No HMP equivalent
is required, since this will only be used when JSON is available
The existing qemuMonitorJSONCheckCommands() method is refactored
to use this new method
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add a new qemuMonitorGetCPUDefinitions() method to support invocation
of the 'query-cpu-definitions' JSON monitor command. No HMP equivalent
is required, since this will only be present for QEMU >= 1.2
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add a new qemuMonitorGetMachines() method to support invocation
of the 'query-machines' JSON monitor command. No HMP equivalent
is required, since this will only be present for QEMU >= 1.2
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Add a new qemuMonitorGetVersion() method to support invocation
of the 'query-version' JSON monitor command. No HMP equivalent
is provided, since this will only be used for QEMU >= 1.2
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
https://www.gnu.org/licenses/gpl-howto.html recommends that
the 'If not, see <url>.' phrase be a separate sentence.
* tests/securityselinuxhelper.c: Remove doubled line.
* tests/securityselinuxtest.c: Likewise.
* globally: s/; If/. If/
Take advantage of the previously added monitor helpers to
create a test suite for the QEMU JSON monitor impl. As a
proof of concept, this tests the 'qemuMonitorGetStatus'
implementation
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
