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Require that all headers are guarded by a symbol named
LIBVIRT_$FILENAME
where $FILENAME is the uppercased filename, with all characters
outside a-z changed into '_'.
Note we do not use a leading __ because that is technically a
namespace reserved for the toolchain.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Support for armv6l qemu guests has been added.
Tested with arm1176 CPU on x86.
Signed-off-by: Stefan Schallenberg <infos@nafets.de>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
All of the ones being removed are pulled in by internal.h. The only
exception is sanlock which expects the application to include <stdint.h>
before sanlock's headers, because sanlock prototypes use fixed width
int, but they don't include stdint.h themselves, so we have to leave
that one in place.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Now that we know what metadata lock manager user wishes to use we
can load it when initializing security driver. This is achieved
by adding new argument to virSecurityManagerNewDriver() and
subsequently to all functions that end up calling it.
The cfg.mk change is needed in order to allow lock_manager.h
inclusion in security driver without 'syntax-check' complaining.
This is safe thing to do as locking APIs will always exist (it's
only backend implementation that changes). However, instead of
allowing the include for all other drivers (like cpu, network,
and so on) allow it only for security driver. This will still
trigger the error if including from other drivers.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
When switching the host architecture to something for which we do not
have any host CPU model defined, the mocked
virQEMUCapsProbeHostCPUForEmulator would just return the previous CPU
model resulting in strange combinations, such as "core2duo" host CPU
model in QEMU capabilities for "AArch64" architecture. It currently
doesn't break any test case, but we should fix it anyway to avoid future
surprises which would be quite hard to debug.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
The comment says:
/* If the logic here seems fairly arbitrary, that's because it is :)
* This is duplicating how the code worked before
* CapabilitiesDomainDataLookup was added. We can simplify this,
* but it would take a bit of work because the test suite fails
* in numerous minor ways. */
Nowadays the test suite changes appear quite simple, just extending
test capabilities data a bit so that we aren't trying to define
invalid arch/os/virtType/machine combos
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
vircapstest has code to add a full host NUMA topology, that
is, one that includes all information about nodes and CPUs
including IDs; testQemuCapsInit(), which is used to create a
mock virCapsPtr for QEMU tests, however, just fakes it by
setting nnumaCell_max to some number.
While the latter approach has served us well so far, we're
going to need all the information to be filled in soon. In
order to do that, we can just move the existing code from
vircapstest to testutils and, with some renaming and
trivial tweaking, use it as-is.
Interestingly, the NUMA topology generated by the function
is rigged up so that the NUMA nodes aren't (necessarily)
numbered starting from 0, which is a nice way to spot
mistaken assumptions in our codebase.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The helper iterates the directory with files for the capability test and
looks up the most recent one for the given architecture. This will allow
testing against the newest qemu capabilities so that we can catch
regressions in behaviour more easily.
Signed-off-by: Peter Krempa <pkrempa@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>
A microcode update can cause the CPUID bits to change; an example
from the past was the update that disabled TSX on several Haswell
and Broadwell machines.
Therefore, place microcode version in the virQEMUCaps struct and
XML, and rebuild the cache if the versions do not match.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The switch contains considerable amount of changes:
virQEMUCapsRememberCached() is removed because this is now handled
by virFileCacheSave().
virQEMUCapsInitCached() is removed because this is now handled by
virFileCacheLoad().
virQEMUCapsNewForBinary() is split into two functions,
virQEMUCapsNewData() which creates new data if there is nothing
cached and virQEMUCapsLoadFile() which loads the cached data.
This is now handled by virFileCacheNewData().
virQEMUCapsCacheValidate() is removed because this is now handled by
virFileCacheValidate().
virQEMUCapsCacheFree() is removed because it's no longer required.
Add virCapsPtr into virQEMUCapsCachePriv because for each call of
virFileCacheLookup*() we need to use current virCapsPtr.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This is a preparation for following patches where we switch to
virFileCache for QEMU capabilities cache
The host arch will always remain the same but virCaps may change. Now
the host arch is stored while creating new qemu capabilities cache.
It removes the need to pass virCaps into virQEMUCapsCache*() functions.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Move all the host CPU data into a separate file and rewrite qemucpumock
to not use passed @caps. This is preparation for following patch which
will replace virCaps argument with virArch.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
Cleanups the code a little bit and reduces amount of arguments passed
throughout the functions.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This removes the hacky extern global variable and modifies the
test code to properly create QEMU capabilities cache for QEMU
binaries used in our tests.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
The virt type for QEMU can be modified by -machine attribute "accel"
so there is no need to have different QEMU binary paths.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
All other architectures have separate functions to prepare guest
capabilities, do the same for i686 and x86_64 as well.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Some of our tests (e.g. qemuhotplugtest) call
virDomainSaveConfig(). Now the problem is, qemuTestDriverInit()
creates a fake qemu driver and fills it with some fake
configuration. At least so we hoped. The truth is, it calls
regular virQEMUDriverConfigNew() and then fix couple of paths.
Literally. Therefore our tests see regular stateDir and configDir
for the user that is running the tests. Directories, where live
domain XMLs are stored. Let's just hope our test suite hasn't
mangled any of them.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
virQEMUCapsLoadCache loads QEMU capabilities from a file, but strangely
enough it returns the loaded QEMU binary ctime in qemuctime parameter
instead of storing it in qemuCaps.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Host capabilities provide libvirt's view of the host CPU, but for a
useful support for host-model CPUs we really need a hypervisor's view of
the CPU. And since the view can be differ with emulator, qemu
capabilities is the best place to store the host CPU model.
This patch just copies the CPU model from host capabilities, but this
will change in the future.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The x86 CPU driver translated each CPU definition from domain XML into
CPUID data and then back to CPU definition. This effectively sorted the
list of CPU features according to their CPUID values. Since this is
going to change, we need to reorder CPU features in a few test files to
make sure the generated QEMU command lines will not change.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Changing a host architecture or a CPU is not as easy as assigning a new
value to the appropriate element in virCaps since there is a relation
between the CPU and host architecture (we don't really want to test
anything on an AArch64 host with core2duo CPU). This patch introduces
qemuTestSetHostArch and qemuTestSetHostCPU helpers which will make sure
the host architecture matches the host CPU.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The generated command line wouldn't work since QEMU doesn't know what
'cmt' is. The following patch will fix this issue.
https://bugzilla.redhat.com/show_bug.cgi?id=1355857
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
==2064442== 200 (88 direct, 112 indirect) bytes in 1 blocks are definitely lost in loss record 54 of 73
==2064442== at 0x4C2E0F0: calloc (vg_replace_malloc.c:711)
==2064442== by 0x18E75B80: virAllocVar (viralloc.c:560)
==2064442== by 0x18EC43B0: virObjectNew (virobject.c:193)
==2064442== by 0x18EC476E: virObjectLockableNew (virobject.c:219)
==2064442== by 0x1906BC73: virSecurityManagerNewDriver (security_manager.c:93)
==2064442== by 0x1906C076: virSecurityManagerNewStack (security_manager.c:115)
==2064442== by 0x43CC39: qemuTestDriverInit (testutilsqemu.c:548)
==2064442== by 0x4337ED: mymain (qemumonitorjsontest.c:2440)
==2064442== by 0x43BABE: virTestMain (testutils.c:982)
==2064442== by 0x43A490: main (qemumonitorjsontest.c:2558)
Now that we choose the GIC version based on hardware features when
no <gic/> element has been provided, we need a way to fake the GIC
capabilities of the host.
Update the qemuxml2argv and qemuxml2xml tests to allow this.
Essentially revert commit 3a6204c which added these to allow the test
suite to pass without depending on the host system state.
Since commit 4b527c1 we already mock virSCSIDeviceGetSgName, so these
callbacks are useless.
After 9c17d665fd the tap device for ethernet network type is
automatically precreated before spawning qemu. Problem is, the
qemuxml2argvtest wasn't updated and thus is failing. Because of
all the APIs that new code is calling, I had to mock a lot. Also,
since the tap FDs are labeled separately from the rest of the
devices/files I had to enable NOP security driver for the test
too.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Update testutilsqemu to overwrite libDir and channelTargetDir and set
private paths using domain's privateData. This changes is required for
following patch.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
In the commit aea47e48c4 we have fixed a single pointer within
driver structure. Since all callers pass statically allocated
driver on stack other pointers within driver may contain random
values too. Before touching it lets overwrite it with zeroes and
thus fix all dangling pointers.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
For some reason we are not setting the driver with memset() to zeros.
But since commit 74abc3deac
driver->securityManager is being accessed and qemuagenttest started
crashing due to that.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
We have twice previously attempted to remove Xenner
support
commit de9be0ab4d
Author: Daniel P. Berrange <berrange@redhat.com>
Date: Wed Aug 22 17:29:01 2012 +0100
Remove xenner support
commit 92572c3d71
Author: Ján Tomko <jtomko@redhat.com>
Date: Wed Feb 18 16:33:50 2015 +0100
Remove code handling the QEMU_CAPS_DOMID capability
This change really does remove the last traces of it
in the capabilities handling code
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Even though usage of the lock is limited to a very few cases,
it's still needed. Therefore we should initialize it too.
Otherwise we may get some random test failures:
==1204== Conditional jump or move depends on uninitialised value(s)
==1204== at 0xEF7F7CF: pthread_mutex_lock (in /lib64/libpthread-2.20.so)
==1204== by 0x9CA89A5: virMutexLock (virthread.c:89)
==1204== by 0x450B2A: qemuDriverLock (qemu_conf.c:83)
==1204== by 0x45549C: virQEMUDriverGetConfig (qemu_conf.c:869)
==1204== by 0x448E29: qemuDomainDeviceDefPostParse (qemu_domain.c:1240)
==1204== by 0x9CC9B13: virDomainDeviceDefPostParse (domain_conf.c:4224)
==1204== by 0x9CC9B91: virDomainDefPostParseDeviceIterator (domain_conf.c:4251)
==1204== by 0x9CC7843: virDomainDeviceInfoIterateInternal (domain_conf.c:3440)
==1204== by 0x9CC9C25: virDomainDefPostParse (domain_conf.c:4276)
==1204== by 0x9CEEE03: virDomainDefParseXML (domain_conf.c:16400)
==1204== by 0x9CEF5B4: virDomainDefParseNode (domain_conf.c:16582)
==1204== by 0x9CEF423: virDomainDefParse (domain_conf.c:16529)
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Use the new API in order to correctly add capability sets to the cache
before parsing XML files
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The main purpose of this patch is to introduce test mode to
virQEMUCapsCacheLookup(). This is done by adding a global variable, which
effectively overrides binary name. This variable is supposed to be set by
test suite.
The second addition is qemuTestCapsCacheInsert() function which allows the
test suite to actually populate the cache.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Two utility functions are introduced for proper initialization and
cleanup of the driver.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The numad hint stored in priv->autoNodeset is information that gets lost
during daemon restart. And because we would like to use that
information in the future, we also need to save it in the status XML.
For the sake of tests, we need to initialize nnumaCell_max to some
value, so that the restoration doesn't fail in our test suite. There is
no need to fill in the actual numa cell data since the recalculating
function virCapabilitiesGetCpusForNodemask() will not fail, it will just
skip filling the data in the bitmap which we don't use in tests anyway.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
The SCSI Architecture Model defines a logical unit address
as 64-bits in length, so change the field accordingly so
that the entire value could be stored.
Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com>
My commit 747761a79 (v1.2.15 only) dropped this bit of logic when filling
in a default arch in the XML:
- /* First try to find one matching host arch */
- for (i = 0; i < caps->nguests; i++) {
- if (caps->guests[i]->ostype == ostype) {
- for (j = 0; j < caps->guests[i]->arch.ndomains; j++) {
- if (caps->guests[i]->arch.domains[j]->type == domain &&
- caps->guests[i]->arch.id == caps->host.arch)
- return caps->guests[i]->arch.id;
- }
- }
- }
That attempt to match host.arch is important, otherwise we end up
defaulting to i686 on x86_64 host for KVM, which is not intended.
Duplicate it in the centralized CapsLookup function.
Additionally add some testcases that would have caught this.
https://bugzilla.redhat.com/show_bug.cgi?id=1219191
QEMU 2.3 adds these new models to cover Haswell and Broadwell CPUs with
updated microcode. Luckily, they also reverted former the machine type
specific changes to existing models. And since these changes were never
released, we don't need to hack around them in libvirt.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
