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https://bugzilla.redhat.com/show_bug.cgi?id=1569678
On some large systems (with ~400GB of RAM) it is possible for
unsigned int to overflow in which case we report invalid number
of 4K pages pool size. Switch to unsigned long long.
We hit overflow in virNumaGetPages when doing:
huge_page_sum += 1024 * page_size * page_avail;
because although 'huge_page_sum' is an unsigned long long, the
page_size and page_avail are both unsigned int, so the promotion
to unsigned long long doesn't happen until the sum has been
calculated, by which time we've already overflowed.
Turning page_avail into a unsigned long long is not strictly
needed until we need ability to represent more than 2^32
4k pages, which equates to 16 TB of RAM. That's not
outside the realm of possibility, so makes sense that we
change it to unsigned long long to avoid future problems.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Even though we just introduced the rom.enabled attribute to
properly cover the use case, there might be guests out there
that use the only previously available way of disabling PCI
ROM loading by not opting in to schema validation.
To make sure such guests will keep working going forward,
introduce a test case covering the legacy workaround.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
The attribute can be used to disable ROM loading completely
for a device.
This might be needed because, even when the guest is configured
such that the PCI ROM will not be loaded in the PCI BAR, some
hypervisors (eg. QEMU) might still make it available to the
guest in a form (eg. fw_cfg) that some firmwares (eg. SeaBIOS)
will consume, thus not achieving the desired result.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1425058
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Many of the old xm and sexpr test files used qemu-dm as the emulator.
Modern Xen systems no longer use the old, forked qemu-dm, instead
preferring the distro provided qemu or an "upstream" qemu that is
built when the Xen tools are built. This qemu is typically installed
in /usr/lib/xen/bin/qemu-system-i386.
The libxl test files already use /usr/lib/xen/bin/qemu-system-i386.
For consistency, change the old test files to use the same emulator
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
When writing the VMX file from the domain XML, write
cpuid.coresPerSocket if there is a specified CPU topology in the guest.
Use the domain XML of esx-in-the-wild-9 in vmx2xml as testcase for
xml2vmxtest.
Signed-off-by: Pino Toscano <ptoscano@redhat.com>
Acked-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Convert the cpuid.coresPerSocket key as both number of CPU sockets, and
cores per socket.
Add the VMX file attached to RHBZ#1568148 as testcase esx-in-the-wild-9;
adapt the resulting XML of testcase esx-in-the-wild-8 to the CPU
topology present in that VMX.
https://bugzilla.redhat.com/show_bug.cgi?id=1568148
Signed-off-by: Pino Toscano <ptoscano@redhat.com>
Acked-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
If @client hasn't been opened, then don't call virNetServerClientClose
since that'll cause certain failure.
Found by Coverity
Signed-off-by: John Ferlan <jferlan@redhat.com>
If @log is not fopen'd then, going to cleanup and calling fclose
will make for an unhappy callee. So just fail immediately instead
since there's nothing to clean up.
Found by Coverity
Signed-off-by: John Ferlan <jferlan@redhat.com>
The current private XML parsing code relies on the assumption
that NUMA node IDs start from 0 and are densely allocated,
neither of which is necessarily the case.
Change it so that the bitmap size is dynamically calculated by
looking at NUMA node IDs instead, which ensures all nodes will
be able to fit and thus the bitmap will be parsed successfully.
Update one of the test cases so that it would fail with the
previous approach, but passes with the new one.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1490158
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@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 disk cache mode translates to various frontend and backend
attributes for the qemu block layer. For the frontend device the
'writeback' parameter is used and provided as 'write-cache'. Implement
this so that we can later switch to using -blockdev where we will not
pass the cachemode directly any more.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
QEMU translates the cache mode of a disk internally into 3 flags.
'write-cache' is a flag of the frontend while others are flag of the
backing storage. Add capability which will allow expressing it via the
frontend attribute.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Prepare the tests for adding the new parameter. The parameter was
introduced in qemu-2.7.0, so add a forked version of the test case to
see that it is formatted properly.
This test is also an example how the new testing macros should be used.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Allow testing of XML->argv conversion with using a real capability map
as used in the qemucapabilitiestest. This allows specifying the required
qemu version with the test rather than having to enumerate all the
required capabilities or allows to use the newest capabilities present.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
To allow having more than one output file in the qemuxml2argvtest add a
suffix member to the testInfo struct which will allow testing the same
XML file with multiple capabilities files.
Signed-off-by: Peter Krempa <pkrempa@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>
So far we are repeating the following lines over and over:
if (!(virSomeObjectClass = virClassNew(virClassForObject(),
"virSomeObject",
sizeof(virSomeObject),
virSomeObjectDispose)))
return -1;
While this works, it is impossible to do some checking. Firstly,
the class name (the 2nd argument) doesn't match the name in the
code in all cases (the 3rd argument). Secondly, the current style
is needlessly verbose. This commit turns example into following:
if (!(VIR_CLASS_NEW(virSomeObject,
virClassForObject)))
return -1;
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Whenever we declare a new object the first member of the struct
has to be virObject (or any other member of that family). Now, up
until now we did not care about the name of the struct member.
But lets unify it so that we can do some checks at compile time
later.
The unified name is 'parent'.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Firstly, this isn't supposed to be in angle brackets because it's
not a system header file (not that gcc distinguishes these two,
it's just guide for us developers).
Secondly, no need to use util/ path prefix because CFLAGS already
contain -I$(srcdir)/util.
The include is needed because virmocklibxl is mocking
virFileMakePath() and even when VIR_MOCK_IMPL_RET_ARGS() does
forward declaration to shut up compiler we need real
virFileMakePath() declaration so that when it changes compiler
catches mismatching declarations.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Check conversion of "cpuid" setting, check all supported policy settings
("1", "0", "x"). Also, check interaction with "nestedhvm" - should not
be included as "vmx=1" in "cpuid" setting.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Test enabling/disabling individual CPU features and also setting
nested HVM support, which is also controlled by CPU features node.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Introduce global libxl option for enabling nested HVM feature, similar
to kvm module parameter. This will prevent enabling experimental feature
by mere presence of <cpu mode='host-passthrough'> element in domain
config, unless explicitly enabled. <cpu mode='host-passthrough'> element
may be used to configure other features, like NUMA, or CPUID.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
Preparation for global nestedhvm configuration - libxlMakeDomBuildInfo
needs access to libxlDriverConfig.
No functional change.
Adjusting tests require slightly more mockup functions, because of
libxlDriverConfigNew() call.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Jim Fehlig <jfehlig@suse.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>
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>
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>
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>
