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QEMU 2.9.0 is not released yet but it's close to its release and
we need this data to implement new features that will be in
that release.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Expected Qemu replies for versions 2.7 and 2.8 from the s390x
Qemu binary.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
CPU related capabilities may differ depending on accelerator used when
probing. Let's use KVM if available when probing QEMU and fall back to
TCG. The created capabilities already contain all we need to distinguish
whether KVM or TCG was used:
- KVM was used when probing capabilities:
QEMU_CAPS_KVM is set
QEMU_CAPS_ENABLE_KVM is not set
- TCG was used and QEMU supports KVM, but it failed (e.g., missing
kernel module or wrong /dev/kvm permissions)
QEMU_CAPS_KVM is not set
QEMU_CAPS_ENABLE_KVM is set
- KVM was not used and QEMU does not support it
QEMU_CAPS_KVM is not set
QEMU_CAPS_ENABLE_KVM is not set
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>
Doing a load, copy, format cycle on all QEMU capabilities XML files
should make sure we don't forget to update virQEMUCapsNewCopy when
adding new elements to QEMU capabilities.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The current version uses the first JSON reply from the file as monitor
greeting. With the new parameter the caller can now request a simple
test monitor to be created, which uses an artificial greeting and uses
all JSON strings from the file as regular replies.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
It's a convenient wrapper around qemuMonitorTestNew which feeds the test
monitor with QMP replies from a specified file.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
In other tests we use "expected" and "actual" to refer to the expected
outcome of the tested API and the result we got, respectively.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Adding new *.replies files for qemucapabilitiestest or updating the
files when libvirt adds an additional QMP command into the probing
process is quite painful. The goal of the new qemucapsprobe command is
to make this process as easy as
tests/qemucapsprobe /path/to/qemu/binary >caps.replies
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
qemu 2.5 provides virtio video device. It can be used with -device
virtio-vga for primary devices, or -device virtio-gpu for non-vga
devices. However, only the primary device (VGA) is supported with this
patch.
Reference:
https://bugzilla.redhat.com/show_bug.cgi?id=1195176
Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We use the function to create a virDomainXMLOption object that is
required for some functions. However, we don't pass the driver
pointer to the object anywhere - rather than pass NULL. This
causes trouble later when parsing a domain XML and calling post
parse callbacks:
Program received signal SIGSEGV, Segmentation fault.
0x000000000043fa3e in qemuDomainDefPostParse (def=0x7d36c0, caps=0x7caf10, opaque=0x0) at qemu/qemu_domain.c:1043
1043 qemuCaps = virQEMUCapsCacheLookup(driver->qemuCapsCache, def->emulator);
(gdb) bt
#0 0x000000000043fa3e in qemuDomainDefPostParse (def=0x7d36c0, caps=0x7caf10, opaque=0x0) at qemu/qemu_domain.c:1043
#1 0x00007ffff2928bf9 in virDomainDefPostParse (def=0x7d36c0, caps=0x7caf10, xmlopt=0x7c82c0) at conf/domain_conf.c:4269
#2 0x00007ffff294de04 in virDomainDefParseXML (xml=0x7da8c0, root=0x7dab80, ctxt=0x7da980, caps=0x7caf10, xmlopt=0x7c82c0, flags=0) at conf/domain_conf.c:16400
#3 0x00007ffff294e5b5 in virDomainDefParseNode (xml=0x7da8c0, root=0x7dab80, caps=0x7caf10, xmlopt=0x7c82c0, flags=0) at conf/domain_conf.c:16582
#4 0x00007ffff294e424 in virDomainDefParse (xmlStr=0x0, filename=0x7c7ef0 "/home/zippy/work/libvirt/libvirt.git/tests/securityselinuxlabeldata/disks.xml", caps=0x7caf10, xmlopt=0x7c82c0, flags=0) at conf/domain_conf.c:16529
#5 0x00007ffff294e4b2 in virDomainDefParseFile (filename=0x7c7ef0 "/home/zippy/work/libvirt/libvirt.git/tests/securityselinuxlabeldata/disks.xml", caps=0x7caf10, xmlopt=0x7c82c0, flags=0) at conf/domain_conf.c:16553
#6 0x00000000004303ca in testSELinuxLoadDef (testname=0x53c929 "disks") at securityselinuxlabeltest.c:192
#7 0x00000000004309e8 in testSELinuxLabeling (opaque=0x53c929) at securityselinuxlabeltest.c:313
#8 0x0000000000431207 in virtTestRun (title=0x53c92f "Labelling \"disks\"", body=0x430964 <testSELinuxLabeling>, data=0x53c929) at testutils.c:211
#9 0x0000000000430c5d in mymain () at securityselinuxlabeltest.c:373
#10 0x00000000004325c2 in virtTestMain (argc=1, argv=0x7fffffffd7e8, func=0x430b4a <mymain>) at testutils.c:863
#11 0x0000000000430deb in main (argc=1, argv=0x7fffffffd7e8) at securityselinuxlabeltest.c:381
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We are not detecting the presence of FIPS from QEMU, but from procfs and
that means it's not QEMU capability. It was decided that we will pass
this flag to QEMU even if it's not supported by old QEMU binaries.
This patch also reverts changes done by commit a21cfb0f to
qemucapabilitestest and implements a new test case in qemuxml2argvtest.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1135431
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Later on, we the qemu capabilities XML parsing code may come handy so
instead of duplicating the code make the already existing one shared.
By the same time, make the function accept file name instead of XML
document stored already in memory.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
On a system that is enforcing FIPS, most libraries honor the
current mode by default. Qemu, on the other hand, refused to
honor FIPS mode unless you add the '-enable-fips' command
line option; worse, this option is not discoverable via QMP,
and is only present on binaries built for Linux. So, if we
detect FIPS mode, then we unconditionally ask for FIPS; either
qemu is new enough to have the option and then correctly
cripple insecure VNC passwords, or it is so old that we are
correctly avoiding a FIPS violation by preventing qemu from
starting. Meanwhile, if we don't detect FIPS mode, then
omitting the argument is safe whether the qemu has the option
(but it would do nothing because FIPS is disabled) or whether
qemu lacks the option (including in the case where we are not
running on Linux).
The testsuite was a bit interesting: we don't want our test
to depend on whether it is being run in FIPS mode, so I had
to tweak things to set the capability bit outside of our
normal interaction with capability parsing.
This fixes https://bugzilla.redhat.com/show_bug.cgi?id=1035474
* src/qemu/qemu_capabilities.h (QEMU_CAPS_ENABLE_FIPS): New bit.
* src/qemu/qemu_capabilities.c (virQEMUCapsInitQMP): Conditionally
set capability according to detection of FIPS mode.
* src/qemu/qemu_command.c (qemuBuildCommandLine): Use it.
* tests/qemucapabilitiestest.c (testQemuCaps): Conditionally set
capability to test expected output.
* tests/qemucapabilitiesdata/caps_1.2.2-1.caps: Update list.
* tests/qemucapabilitiesdata/caps_1.6.0-1.caps: Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
To make it easier to forbid future attempts at a confusing typedef
name ending in Ptr that isn't actually a pointer, insist that we
follow our preferred style of 'typedef foo *fooPtr'.
* cfg.mk (sc_forbid_const_pointer_typedef): Enforce consistent
style, to prevent issue fixed in previous storage patch.
* src/conf/capabilities.h (virCapsPtr): Fix offender.
* src/security/security_stack.c (virSecurityStackItemPtr):
Likewise.
* tests/qemucapabilitiestest.c (testQemuDataPtr): Likewise.
Signed-off-by: Eric Blake <eblake@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>
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>
This test is there to ensure that our capabilities detection code isn't
broken somehow.
How to gather test data:
Firstly, the data is split into two separate files. The former (with
suffix .replies) contains all the qemu replies. This is very fragile as
introducing a new device can mean yet another monitor command and hence
edit of this file in the future. But there's no better way of doing
this. To get this data simply turn on debug logs and copy all the
QEMU_MONITOR_IO_PROCESS lines. But be careful to not copy incomplete
ones (yeah, we report some incomplete lines too). Long story short, at
the libvirtd startup, a dummy qemu is spawn to get all the capabilities.
The latter (with suffix .caps) contains capabilities XML. Just start a
domain and copy the corresponding part from its state XML file.
Including <qemuCaps> tag.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
