Commit Graph

7737 Commits

Author SHA1 Message Date
Peter Krempa
e6d1ed4a76 conf: Add support for setting expected TLS hostname for NBD disks
In cases when the hostname of the NBD server doesn't match the hostname
in the TLS certificate the new attribute 'tlsHostname' can be used to
override it.

Add the XML infrastructure and tests.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-11 15:17:06 +01:00
Peter Krempa
fd6f49034d qemu: capabilities: Introduce QEMU_CAPS_BLOCKDEV_NBD_TLS_HOSTNAME
Detect that qemu can override TLS hostname setting for NBD clients.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-11 15:17:06 +01:00
Peter Krempa
2c47088e76 tests: qemucapabilities: Update caps_7.0.0.x86_64
Update to commit v6.2.0-2296-g9f0369efb0

Notable changes:
  - 'tls-hostname' field for NBD client to override local hostname
  - machine types 'pc-i440fx-1.7' and older are now deprecated
  - 'snapshot-access' block driver added
  - The 'protocol' field of 'set_password' and 'expire_password'
    parameter is now an enum instead of a pure string allowing 'vnc' and
    'spice' as value and the arguments are also covered by the schema.
  - 'copy-before-write' block driver now has a 'bitmap' property
  - 'query-migrate' now reports 'precopy-bytes', 'downtime-bytes',
    'postcopy-bytes' for 'ram' and 'disk' statistics
  - RTC_CHANGE event now has a 'qom-path' property to identify the RTC
  - 'umip' cpu feature is now migratable
  - SGX property 'section-size' reinstated after regression

Changes in build setting:
  - fuse block export support now enabled

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-11 15:17:06 +01:00
Peter Krempa
c250ab90ac conf: snapshot: Remove VIR_DOMAIN_SNAPSHOT_PARSE_DISKS flag
All callers except the one in the 'esx' driver pass the flag. The 'esx'
driver has a check that 'def->ndisks' is zero after parsing the
definition. This means that we can simply always parse the disks.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-11 13:55:50 +01:00
Jonathon Jongsma
a5e659f071 qemu: support multiqueue for vdpa net device
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2024406

Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
2022-03-09 16:23:02 -06:00
Daniel P. Berrangé
2a95dbd03c nwfilter: drop support for legacy iptables conntrack direction
Long ago we adapted to Linux kernel changes which inverted the
behaviour of the conntrack --ctdir setting:

  commit a6a04ea47a
  Author: Stefan Berger <stefanb@us.ibm.com>
  Date:   Wed May 15 21:02:11 2013 -0400

    nwfilter: check for inverted ctdir

    Linux netfilter at some point (Linux 2.6.39) inverted the meaning of the
    '--ctdir reply' and newer netfilter implementations now expect
    '--ctdir original' instead and vice-versa.
    We check for the kernel version and assume that all Linux kernels with version
    2.6.39 have the newer inverted logic.

    Any distro backporting the Linux kernel patch that inverts the --ctdir logic
    (Linux commit 96120d86f) must also backport this patch for Linux and
    adapt the kernel version being tested for.

    Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>

Given our supported platform targets, we no longer need to
consider a version of Linux before 2.6.39, so can drop
support for the old direction behaviour.

The test suite updates are triggered because that never
probed for the ctdir direction, and so the iptables syntax
generator unconditionally dropped the ctdir args.

Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-03-09 11:37:32 +00:00
Daniel P. Berrangé
02b8045517 nwfilter: drop support for legacy iptables match syntax
Long ago we adapted to iptables changes by introducing support
for '-m conntrack':

  commit 06844ccbaa
  Author: Stefan Berger <stefanb@us.ibm.com>
  Date:   Tue Aug 6 20:30:46 2013 -0400

    nwfilter: Use -m conntrack rather than -m state

    Since iptables version 1.4.16 '-m state --state NEW' is converted to
    '-m conntrack --ctstate NEW'. Therefore, when encountering this or later
    versions of iptables use '-m conntrack --ctstate'.

Given our supported platform targets, we no longer need to
consider a version of iptables before 1.4.16, so can drop
support for the old syntax.

The test suite updates are triggered because that never
probed for the new syntax, and so unconditionally
generated the old syntax.

Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-03-09 11:37:12 +00:00
Martin Kletzander
3c61c9bea6 tests: Allow expansion of mocked stat symbols
When libc uses a define to rewrite stat64 to stat our mocks do not work if they
are chained because the symbol that we are looking up is being stringified and
therefore preventing the stat64->stat expansion per C-preprocessor rules.  One
stringification macro is just enough to make it work.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-07 10:31:24 +01:00
Michal Privoznik
86c691e6de tests: Update IPv4-in-IPv6 addresses
We have couple of tests where the obsolete IPv4-in-IPv6 notation
is used (::10.1.2.3). Change them to the correct format
(::ffff:10.1.2.3).

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-04 15:08:59 +01:00
Michal Privoznik
c7a0b89065 sockettest: Check for IPv4-in-IPv6 parsing and formatting
There are two standards how IPv4 address in IPv6 can be
expressed:

  ::10.1.2.3
  ::ffff:10.1.2.3

The former is obsolete and the latter should be used instead [1].
Add test cases to our sockettest to exercise parsing/formatting
of the valid address format.

1: https://datatracker.ietf.org/doc/html/rfc4291#section-2.5.5.1

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-04 15:08:59 +01:00
Michal Privoznik
c3c1293984 vircgroupmock: Make global variables static
Apparently clang was fixed as it no longer considers having
global variables static a problem. Make the variables static to
be sure they aren't used outside of the source file.

This effectively reverts v1.0.6-rc1~198 which started the trend.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-04 15:08:59 +01:00
Michal Privoznik
61a12ffe08 vircgroupmock: Be wiser about detecting fakerootdir change
The way that vircgroupmock works is that the vircgrouptest
creates a temporary directory and sets LIBVIRT_FAKE_ROOT_DIR env
variable which is then checked by the mock at the beginning of
basically every function it overrides (access(), stat in all its
flavours, mkdir(), etc.). The mock then creates a CGroup dir
structure. But the test is allowed to change the directory, to
accommodate environment for the particular test case. This is
done by changing the environment variable which is then detected
by the mock and the whole process repeats.

However, the way the mock detect changes is buggy. After it got
the environment variable it compares it to the last known value
(global variable @fakerootdir) and if they don't match the last
known value is set to point to the new value. Problem is that the
result of getenv() is assigned to the @fakerootdir directly.
Therefore, @fakerootdir points somewhere into the buffer of
environment variables. In turn, when the test sets new value (via
g_setenv()) it may be placed at the very same position in the env
var buffer and thus the mock fails to detect the change.

The solution is to keep our private copy of the value (by
g_strdup()) which makes the variable not rely on
getenv()/setenv() placing values at random positions.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-03-04 15:08:59 +01:00
Daniel P. Berrangé
32b9d8b0ae qemu: support firmware descriptor flash 'mode' for optional NVRAM
Currently the 'nvram_template' entry is mandatory when parsing the
firmware descriptor based on flash. QEMU is extending the firmware
descriptor spec to make the 'nvram_template' optional, depending
on the value of a new 'mode' field:

  - "split"
      * "executable" contains read-only CODE
      * "nvram_template" contains read-write VARS

  - "combined"
      * "executable" contains read-write CODE and VARs
      * "nvram_template" not present

  - "stateless"
      * "executable" contains read-only CODE and VARs
      * "nvram_template" not present

In the latter case, the guest OS can write vars but the
firmware will make no attempt to persist them, so any changes
will be lost at poweroff.

For now we parse this new 'mode' but discard any firmware
which is not 'mode=split' when matching for a domain.

In the tests we have a mixture of files with and without the
mode attribute.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-23 18:11:08 +00:00
Daniel P. Berrangé
392292cd99 tests: don't use auto-generated NVRAM path in tests
By using the auto-generated NVRAM path in test data files, we won't see
bugs where a user specified path gets accidentally overwritten by a
post-parse callback, or VM startup. For example, this caused us to miss
the bug fixed by:

  commit 24adb6c7a6
  Author: Michal Prívozník <mprivozn@redhat.com>
  Date:   Wed Feb 23 08:50:44 2022 +0100

    qemu: Don't regenerate NVRAM path if parsed from domain XML

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-23 18:08:49 +00:00
Michal Privoznik
a6929d62cf qemu: Don't ignore failure when building default memory backend
When building the default memory backend (which has id='pc.ram')
and no guest NUMA is configured then
qemuBuildMemCommandLineMemoryDefaultBackend() is called. However,
its return value is ignored which means that on invalid
configuration (e.g. when non-existent hugepage size was
requested) an error is reported into the logs but QEMU is started
anyway. And while QEMU does error out its error message doesn't
give much clue what's going on:

  qemu-system-x86_64: Memory backend 'pc.ram' not found

While at it, introduce a test case. While I could chose a nice
looking value (e.g. 4MiB) that's exactly what I wanted to avoid,
because while such value might not be possible on x84_64 it may
be possible on other arches (e.g. ppc is notoriously known for
supporting wide range of HP sizes). Let's stick with obviously
wrong value of 5MiB.

Reported-by: Charles Polisher <chas@chasmo.org>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-22 17:26:19 +01:00
Daniel P. Berrangé
dd163b6c98 tests: add test case for NVRAM with template
This demonstrates that

  <os>
    <loader readonly='yes' type='pflash'>/usr/share/OVMF/OVMF_CODE.fd</loader>
    <nvram template="/usr/share/OVMF/OVMF_VARS.fd"/>
  </os>

gets expanded to give a per-VM NVRAM path.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-22 14:54:41 +00:00
Daniel P. Berrangé
4aad5e1c18 tests: add explicit test case for pflash loader lacking path
The following is expected to raise an error:

  <os>
    <loader readonly='yes' type='pflash'/>
  </os>

because no path to the pflash loader is given and there is
no default built-in.

Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-22 14:54:31 +00:00
Hyman Huang(黄勇)
f8dc72f0ca qemu_capabilities: Introduce QEMU_CAPS_DIRTYRATE_MODE capability
mode option of calc-dirty-rate command since qemu >=6.2.0.
Introduce QEMU_CAPS_DIRTYRATE_MODE capability definition.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-21 13:34:16 +01:00
Hyman Huang(黄勇)
b207f84901 qemu_capabilities: Introduce QEMU_CAPS_CALC_DIRTY_RATE capability
calc-dirty-rate command was introduced since qemu >=5.2.0.
Introduce QEMU_CAPS_CALC_DIRTY_RATE capability definition.

Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-21 13:24:50 +01:00
Peter Krempa
c98432784a virsystemdtest: remove unused 'demo_socket_path'
Commit b56a833243 removed bunch of old code after which
'demo_socket_path' in 'testActivationFDNames' is no longer used

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
2022-02-17 14:17:04 +01:00
Daniel P. Berrangé
b56a833243 util: drop support for obsolete systemd in RHEL-7
The systemd version in RHEL-7 lacked support for the LISTEN_FDNAMES env
variable with socket activation. Since we stopped targetting RHEL-7 we
can drop some considerable amount of compatibility code.

Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-17 12:35:42 +00:00
Michal Privoznik
5cba53db57 tests: Drop domcaps test data for qemu < 2.11
The minimal supported version of QEMU is 2.11. And after capabilities
for older QEMUs were dropped in v7.3.0-17-g184de10c1d we have some
domaincapsdata/ files that are never read. This is because
domaincapstest uses testQemuCapsIterate() which iterates over
qemucapabilitiesdata/caps_*.xml files.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2022-02-15 16:33:45 +01:00
Peter Krempa
874b00f750 qemuhotplugtest: Assume QEMU_CAPS_CHARDEV_FD_PASS_COMMANDLINE
All modern QEMU versions use FD passing for listening unix sockets so
the test should reflect this. This will later help when removing the
legacy code paths when we drop support for old QEMUs.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:32:23 +01:00
Peter Krempa
5b5162072c qemuhotplugmock: Mock fd passing to qemu via 'SCM_RIGHTS'
We don't want to be dealing with real FDs thus we mock
'qemuMonitorIOWriteWithFD' to do the same thing as when no FD is being
passed.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:32:23 +01:00
Peter Krempa
654486bd57 syntax-check: sc_avoid_write: Don't use blanket file exceptions
Adding an exception for the whole file usually defeats the purpose of a
syntax check and is also likely to get forgotten once the file is
removed.

In case of the suggestion of using 'safewrite' instead of write even the
comment for safewrite states that the function needs to be used only in
certain cases.

Remove the blanket exceptions for files and use an exclude string
instead. The only instance where we keep the full file exception is for
src/libvirt-stream.c as there are multiple uses in example code in
comments where I couldn't find a nicer targetted wapproach.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:32:23 +01:00
Peter Krempa
f9ae469a6e qemu: Make 'struct _qemuMonitorMessage' private
Move the declaration of the struct into 'qemu_monitor_priv.h' as other
code has no business in peeking into the monitor messages.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:32:23 +01:00
Peter Krempa
c82887a323 qemuxml2argvtest: Add newer variant of 'launch-security-sev-missing-platform-info'
Upcoming patches will remove support for qemu-2.12. Since tests of
'sev' use hacked data we need to use our capability dump of qemu-6.0 as
it has the required fields.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:30:40 +01:00
Peter Krempa
4392617724 qemuxml2argvtest: Bump versioned test variants for pre-blockdev disk tests to 4.1.0
Originally when I started working on '-blockdev' support I added version
locked variants of all the relevant disk tests locked to qemu-2.12, but
blockdev was finally enabled with qemu-4.2.

This patch bumps the rest of the test cases with no functional changes
related to disks.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:29:39 +01:00
Peter Krempa
94f8c8873f qemuxml2argvtest: Update disk test cases having 'device_id' argument of SCSI disk
The 'device_id' property was added in qemu-4.0. Since upcoming patch
will be modernizing all disk test cases we specifically want to preserve
the instance of 'device_id' not being used with qemu-3.1 and earlier.

Change the 'disk-cache' and 'disk-shared' cases to have a qemu-3.1 and a
qemu-4.1 version for testing pre-'device_id' and pre-blockdev scenarios.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:29:17 +01:00
Peter Krempa
2fd1262bf1 qemuxml2argvtest: Add pre-blockdev post-werror-move version of 'disk-error-policy'
Starting with qemu-3.0 release we use the 'werror' and 'rerror'
properties with the frontend (device) rather than the storage backend
(with a minor caveat of s390, where we use it earlier as it doesn't
 support USB disks, and other disk types supported it earlier).

Add specific test cases after the change, but before '-blockdev' was
enabled.

This is done separately from the changes in the next commit which simply
moves all other disk tests to the last pre-blockdev qemu as we have a
semantic change happening after 2.12.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-15 09:28:57 +01:00
Peter Krempa
f923620031 qemuBuildTPMCommandLine: Use 'qemuPassFD' infrastructure
Remove the last code path using hardcoded fdsets.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
4225de7c73 qemuBuildTPMOpenBackendFDs: Construct 'cancel_path' internally
Since 'cancel_path' is constructed from the 'tpmdev' argument, we can
push it down into the function opening the FDs.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
ad81aa8ad0 qemu: Honour 'virtlogd' use when hotplugging chardevs
Setup the chardev similarly to how we do it on startup so that virtlogd
is properly used with chardevs which are hotplugged to a VM.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
f22e372de2 qemuMonitorJSONTestAttachChardev: Add tests for FD passing of file backend
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
39bf220221 tests: Move testPrepareHostBackendChardevOne into test utils
Move the function doing the fake setup of chardev backend for FD passing
into the collection of qemu test helpers so that it can be used in
qemumonitorjsontest.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
52d38e3274 qemuMonitorJSONTestAttachChardev: Add logfile to some tests
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
84dfd6e4cd qemuMonitorJSONTestAttachChardev: Add test for TLS-secured TCP chardev
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
128f5c3383 qemumonitorjsontest: Refactor chardev hotplug testing
The main objective of this patch is to use a proper instance of
virDomainChrSourceDef allocated with the private data.

To achieve this the test cases are grouped into blocks by how much they
fill in the chardev definition. Some test cases are moved around so
that the resulting sequence doesn't need extra clearing.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
e6f837f611 qemumonitorjsontest: chardev: Remove need to allow unused commands
Don't add the command to the test monitor when we don't expect to invoke
it rather than bypassing the test monitor.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
22d5ce0252 qemuDomainRemoveChrDevice: Detach fdset after chardev hot-unplug
Our code uses fdsets for the pipe passed from virtlogd to qemu, but the
chardev hot-unplug code neglected to detach the fdset after the chardev
was removed. This kept the FDs open by qemu even after they were not
used any more.

After the refactor to use qemuFDPass for chardevs we now configure the
'opaque' field for fdsets used for chardevs so we can use
qemuHotplugRemoveFDSet to remove the unused fdset.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
6d161bcc60 qemu: Rewrite chardev startup code to use qemuFDPass
Rewrite the parts which already pass FDs via fdset or directly to use
the new infrastructure.

Apart from simpler code this also adds the appropriate names to the fds
in the fdsets which will allow us to properly remove the fdsets won
hot-unplug of chardevs, which we didn't do for now and resulted in
leaking the FDs.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
38edcca114 qemuBuildInterfaceCommandLine: Use new pattern for naming the VDPA fdset
Prefix the file descriptor name with the alias of the network device so
that it's similar to other upcoming use.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:14:00 +01:00
Peter Krempa
9aab7acfe0 qemuProcessPrepareHostBackendChardevFileHelper: Always use FD passing
Code paths which don't wish to use FD passing are supposed to not call
the function which sets up the chardev for FD passing.

This is ensured by calling it only in the host prepare step.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 13:13:59 +01:00
Andrea Bolognani
6901d92ec4 virnetsockettest: Increase coverage
Add test cases for quotes appearing in the netcat parameter,
for the default behavior of proxy=auto where virt-ssh-helper
is used if available, and for proxy=native.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:32:24 +01:00
Andrea Bolognani
5068a76493 virnetsockettest: Allow changing the proxy parameter
Currently the test cases all follow the proxy=auto behavior, but
we want to add coverage for other proxy modes as well.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:32:15 +01:00
Andrea Bolognani
02c9948e36 virnetsockettest: Tweak input for test 7
The important part of the value we assign to "netcat" is that it
contains whitespace, so drop everything else to highlight this
fact.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:32:09 +01:00
Andrea Bolognani
709d190a82 virnetsockettest: Improve indentation
Having the actual script indented and the closing quote on a
separate line, like

  sh -c '
    if foo; then
      bar;
    fi
  '

makes things more readable and easier to scan visually.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:32:06 +01:00
Andrea Bolognani
a280b9282f virnetsockettest: Move opening quote
Make this test case consistent with all the other ones.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:32:05 +01:00
Andrea Bolognani
5bf9902012 virnetsockettest: Drop unnecessary backslash
No need to escape a single quote.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:32:03 +01:00
Andrea Bolognani
f375533e07 virbuftest: Increase coverage
Test the behavior of virBufferEscapeShell for different types of
quotes as well as the empty string.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-14 11:31:56 +01:00
Peter Krempa
2a273072b6 qemucapabilitiestest: Hack/fix version in qemu-3.1 tests
The test dumps for x86_64 and ppc64 were generated from pre-release
qemu-3.0-rc1/rc2 and thus wouldn't pass our minimum version check.

As these are very old, fix the version info we use for our check to 3.1
without re-generating them and keep the version tag intact.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 09:45:29 +01:00
Peter Krempa
e51c0ac891 qemuxml2xmltest: Remove unnecessary versioned invocation of 'disk-cache'
The 'disk-cache' output file is identical in the interesting parts
(everything besides CPU config) to the '-latest' version, so the
versioned invocation can be dropped.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-14 09:45:28 +01:00
Tim Wiederhake
6ccafcb53e qemumonitortestutils: Use automatic mutex management
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-11 16:03:35 +01:00
Tim Wiederhake
8e5b04e332 qemusecuritymock: Use automatic mutex management
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-11 16:03:32 +01:00
Jiri Denemark
6752bfdbc4 tests: Fix fd leaks in virpcivpdtest
Tests testVirPCIVPDReadVPDBytes and testVirPCIVPDParseFullVPDInvalid
failed to properly close open fildescriptors in some cases. Let's fix it
by switching to VIR_AUTOCLOSE in the whole file.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-11 15:06:19 +01:00
Daniel P. Berrangé
3ef9b51b10 qemu: fix formatting of pflash readonly attribute
When the <loader> had an explicit readonly='no' attribute we
accidentally still marked the plfash as readonly due to the
bad conversion from virTristateBool to bool. This was missed
because the test cases run with no capabilities set and thus
are validated the -drive approach for pflash configuration,
not the -blockdev approach.

This affected the following config:

  <os>
    <loader readonly='no' type='pflash'>/var/lib/libvirt/qemu/nvram/test-bios.fd</loader>
  </os>

for the sake of completeness, we also add a test XML config
with no readonly attribute at all, to demonstrate that the
default for pflash is intended to be r/w.

Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-08 13:04:20 +00:00
Michal Privoznik
87a43a907f lib: Use g_clear_pointer() more
This change was generated using the following spatch:

  @ rule1 @
  expression a;
  identifier f;
  @@
    <...
  - f(*a);
    ... when != a;
  - *a = NULL;
  + g_clear_pointer(a, f);
    ...>

  @ rule2 @
  expression a;
  identifier f;
  @@
    <...
  - f(a);
    ... when != a;
  - a = NULL;
  + g_clear_pointer(&a, f);
    ...>

Then, I left some of the changes out, like tools/nss/ (which
doesn't link with glib) and put back a comment in
qemuBlockJobProcessEventCompletedActiveCommit() which coccinelle
decided to remove (I have no idea why).

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-08 08:42:07 +01:00
Peter Krempa
715846b6ea qemu: monitor: Don't hardcode QOM path of first CPU
Convert all code using the 'QOM_CPU_PATH' macro to accept the QOM path
as an argument.

For now the new helper for fetching the path 'qemuProcessGetVCPUQOMPath'
will always return the same hard-coded value.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-02-07 18:04:52 +01:00
Boris Fiuczynski
f087335034 nodedev: add parent_addr to mdev nodedev dumpxml
As the parent address is part of the mdev nodedev name lets expose the
internally available parent address in the XML.

Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-04 17:50:57 +01:00
Boris Fiuczynski
609836e2b2 tests: adding vfio-ccw to nodedev tests
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-04 17:50:53 +01:00
Boris Fiuczynski
37ce3da14e tests: correct formating in mdevctl test
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-04 17:50:18 +01:00
Dmitrii Shcherbakov
09cdd16a9b Ignore EPERM on implicit clearing of VF VLAN ID
SmartNIC DPUs may not expose some privileged eswitch operations
to the hypervisor hosts. For example, this happens with Bluefield
devices running in the ECPF (default) mode for security reasons. While
VF MAC address programming is possible via an RTM_SETLINK operation,
trying to set a VLAN ID in the same operation will fail with EPERM.

The equivalent ip link commands below provide an illustration:

1. This works:

sudo ip link set enp130s0f0 vf 2 mac de:ad:be:ef:ca:fe

2. Setting (or clearing) a VLAN fails with EPERM:

sudo ip link set enp130s0f0 vf 2 vlan 0
RTNETLINK answers: Operation not permitted

3. This is what Libvirt attempts to do today (when trying to clear a
   VF VLAN at the same time as programming a VF MAC).

sudo ip link set enp130s0f0 vf 2 vlan 0 mac de:ad:be:ef:ca:fe
RTNETLINK answers: Operation not permitted

If setting an explicit VLAN ID results in an EPERM, clearing a VLAN
(setting a VLAN ID to 0) can be handled gracefully by ignoring the
EPERM error with the rationale being that if we cannot set this state
in the first place, we cannot clear it either.

In order to keep explicit clearing of VLAN ID working as it used to
be passing a NULL pointer for VLAN ID is used.

Signed-off-by: Dmitrii Shcherbakov <dmitrii.shcherbakov@canonical.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-03 16:52:05 +01:00
Dmitrii Shcherbakov
73961771a1 Allow VF vlanid to be passed as a pointer
There should be a way to show no intent in programming a VLAN at all
(including clearing it). This allows handling error conditions
differently when VLAN clearing is explicit (vlan id == 0) vs implicit
(vlanid == NULL - try to clear it if possible).

Signed-off-by: Dmitrii Shcherbakov <dmitrii.shcherbakov@canonical.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-03 16:52:05 +01:00
Dmitrii Shcherbakov
86fc0c2576 Set VF MAC and VLAN ID in two different operations
This has a benefit of being able to handle error codes for those
operations separately which is useful when drivers allow setting a MAC
address but do not allow setting a VLAN (which is the case with some
SmartNIC DPUs).

Signed-off-by: Dmitrii Shcherbakov <dmitrii.shcherbakov@canonical.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-03 16:52:05 +01:00
Ján Tomko
baa779ea9c maint: remove unnecessary virutil.h includes
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
2022-02-03 14:10:04 +01:00
Ján Tomko
8eb7d869ed virParseVersionString: rename to virStringParseVersion
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
2022-02-03 14:10:03 +01:00
Daniel P. Berrangé
7714034ecd qemu: add tests for the ISA debug console command line
The XML-to-XML test validates that we don't accidentally copy the
isa-debug <serial> into a <console>.

Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2022-02-03 10:59:03 +00:00
Andrea Bolognani
41e878859a tests: Cover virtio-mem being plugged into a bridge
This is a perfectly valid configuration that we need to keep
working, so add test coverage for it.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-02-02 16:32:41 +01:00
Michal Privoznik
af23241cfe qemu_command: Generate memory only after controllers
Currently, memory device (def->mems) part of cmd line is
generated before any controller. In majority of cases it doesn't
matter because neither of memory devices live on a bus that's
created by an exposed controller (e.g. there's no DIMM
controller, at least not exposed). Except for virtio-mem and
virtio-pmem, which do have a PCI address. And if it so happens
that the device goes onto non-default bus (pci.0) starting such
guest fails, because the controller that creates the desired bus
wasn't processed yet. QEMU processes arguments in order.

For instance, if virtio-mem has address with bus='0x01' QEMU
refuses to start with the following message:

  Bus 'pci.1' not found

Similarly for virtio-pmem. I've successfully tested migration and
changing the order does not affect migration stream.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2047271
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-02-02 14:22:47 +01:00
Michal Privoznik
a7c016e4cb virpcivpdtest: Fix potential double-free()
Inside the testPCIVPDResourceCustomCompareIndex() function we
have two variables @a and @b, both marked as g_autoptr(). Then,
towards the end of the function b->value is freed and set to
a->value. This is to make sure
virPCIVPDResourceCustomCompareIndex() works correctly even if
->value member is the same for both arguments.

Nevertheless, if the function returns anything else than 0 then
the control executes subsequent return statement and since
b->value points to the very same string as a->value a double free
will occur. Avoid this by setting b->value to NULL explicitly,
just like we are already doing for the successful path.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2022-02-01 17:37:06 +01:00
Michal Privoznik
ce880ad8ba lib: Don't set variable to NULL after VIR_FREE()
There are a few places where a variable is VIR_FREE()-d and then
explicitly set to NULL. This is not necessary since VIR_FREE()
does that for us.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2022-02-01 17:37:06 +01:00
Ján Tomko
5c706266cb tests: refactor testSELinuxLoadDef
Since its introduction in
commit 907a39e735
    Add a test suite for validating SELinux labelling

this function did not return NULL on OOM.

Since we abort on OOM now, switch testSELinuxMungePath to void,
return NULL explicitly on XML parsing failure and remove
the (now pointless) cleanup label.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-01-31 20:37:48 +01:00
Tim Wiederhake
50a40c8d52 cpu-data.py: Query hyperv enlightenments
Reporting hv-* properties properly requires hv to be enabled,
see qemu commit 071ce4b03b.

Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-01-28 10:55:03 +01:00
Michal Privoznik
f9db6f3ab6 qemu: Allow prealloc for virtio-mem-pci
There are a some scenarios in which we want to prealloc guest
memory (e.g. when requested in domain XML, when using hugepages,
etc.). With 'regular' <memory/> models (like 'dimm', 'nvdimm' or
'virtio-pmem') or regular guest memory it is corresponding
memory-backend-* object that ends up with .prealloc attribute
set. And that's desired because neither of those devices can
change its size on the fly. However, with virtio-mem model things
are a bit different. While one can set .prealloc attribute on
corresponding memory-backend-* object it doesn't make much sense,
because virtio-mem can inflate/deflate on the fly, i.e. change
how big of a portion of the memory-backend-* object is exposed to
the guest. For instance, from a say 4GiB module only a half can
be exposed to the guest. Therefore, it doesn't make much sense to
preallocate whole 4GiB and keep them allocated. But we still want
the part exposed to the guest preallocated (when conditions
described at the beginning are met).

Having said that, with new enough QEMU the virtio-mem-pci device
gained new attribute ".prealloc" which instructs the device to
talk to the memory backend object and allocate only the requested
portion of memory.

Now, that our algorithm for setting .prealloc was isolated in a
single function, the function can be called when constructing cmd
line for virtio-mem-pci device.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-26 12:41:27 +01:00
Michal Privoznik
a82d9e8996 qemu_capabilities: Introduce QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI_PREALLOC
This new capability tracks whether virtio-mem device is capable
of memory preallocation, which is detected by the device having
.prealloc attribute.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-26 12:41:27 +01:00
Andrea Bolognani
299d48d574 tests: Add HVF test cases
We need to use a hardcoded list of capabilities because we don't
yet have proper replies files obtained from QEMU running on actual
macOS machines.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Tested-by: Brad Laue <brad@brad-x.com>
Tested-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-01-25 16:54:44 +01:00
Andrea Bolognani
ebb921cb37 tests: Add macOS support to qemuxml2*test
The new DO_TEST_MACOS() macro makes it possible to create test
cases that verify the behavior of libvirt on a macOS machine
with HVF support available.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Tested-by: Brad Laue <brad@brad-x.com>
Tested-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-01-25 16:54:44 +01:00
Andrea Bolognani
5fd9ddfa1f tests: Add macOS support to testutilsqemu
This exposes a couple of macOS-specific variants of existing
APIs, which can be used when implementing test programs and
result in HVF support being advertised.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Tested-by: Brad Laue <brad@brad-x.com>
Tested-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-01-25 16:54:44 +01:00
Andrea Bolognani
f16626ccd7 tests: Introduce testQemuHostOS
This new enumeration provides a way to specify the host OS
that a specific test case expects. The default is Linux, which
has been the implicit host OS until now; when Linux is selected
as the host OS, KVM support is advertised in capabilies data
exposed to test cases.

This commit doesn't result in any functional change, and simply
sets the stage for introducing macOS host OS support later.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Tested-by: Brad Laue <brad@brad-x.com>
Tested-by: Christophe Fergeau <cfergeau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-01-25 16:54:44 +01:00
shenjiatong
7bc7304ca5 qemu: Remove scsi parameter for vhost-user-blk for qemu < 4.2
When trying to attach vhost-user-blk device to virtual machine using
qemu < 4.2 libvirt would mistakenly add a scsi=off parameter, which is
not supported by qemu.

Fixes: https://gitlab.com/libvirt/libvirt/-/issues/265
Signed-off-by: shenjiatong <yshxxsjt715@gmail.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2022-01-24 10:17:00 +01:00
Peter Krempa
5e645b80f4 qemuxml2argvtest: disk-vhostuser: Add invocation for qemu-4.2
With qemu versions prior to qemu-5.0 we'll format 'scsi=off' for
virtio-blk disks, but also for vhost-user-blk. This is a bug as it's not
supported.

Add a test case to show that wrong configuration is generated by adding
running 'disk-vhostuser' test case on capabilities from qemu-4.2.

For this to be possible it's required to enable shared memory via NUMA
configuration as old QEMU's don't allow configuration of the default
memory backend. This is achieved by adding a copy of the
'disk-vhostuser' XML with NUMA enabled.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
2022-01-24 10:17:00 +01:00
Michal Privoznik
97129ed43a conf: Convert virDomainNetDefParseXML() to virXMLProp*()
After previous cleanups, the virDomainNetDefParseXML() function
uses a mixture of virXMLProp*() and the old virXMLPropString() +
virXXXTypeFromString() patterns. Rework it so that virXMLProp*()
is used.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-21 16:42:14 +01:00
Daniel Henrique Barboza
2b7f9506b1 tests: update QEMU capabilities for qemu 6.2 release
Update existing ppc64 6.2 caps to match what was released in QEMU 6.2.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-20 19:17:21 +01:00
Daniel Henrique Barboza
add089d9f5 tests: update QEMU and domain ppc64 capabilities for qemu 7.0
Changes in all 'ppc64-latest.ags' files were needed due to the
JSONification of command line devices.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-20 17:29:14 +01:00
Peter Krempa
4c308ea42e qemuBuildDeviceVideoCmd: Simplify formatting of 'max_outputs' property
Since there's no capability to check now, we can simply move the
formatting of 'max_outputs' earlier.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-19 16:54:32 +01:00
Peter Krempa
49a85978b7 qemu: capabilities: Retire QEMU_CAPS_QXL_MAX_OUTPUTS and QEMU_CAPS_VIRTIO_GPU_MAX_OUTPUTS
Both are supported by qemu-2.11 and later, so we don't have to check for
them explicitly.

Note that QXL is supported only on x86_64, thus on other arches only the
capability for 'virtio-gpu' is removed.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-19 16:54:32 +01:00
Peter Krempa
d35ddc6243 qemuBuildDeviceVideoCmd: Always assume support for 'max_outputs' property
Both the QXL video device and 'virtio' video device support
'max_outputs' in all qemu versions libvirt supports. This means we no
longer have to check the QEMU_CAPS_QXL_MAX_OUTPUTS and
QEMU_CAPS_VIRTIO_GPU_MAX_OUTPUTS capabilities.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-19 16:54:32 +01:00
Ján Tomko
44aaa02992 util: remove virGetDeviceID
It was only used to construct the hash key for the (now removed)
shared devices in the qemu driver.

Remove it and its mocking.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-19 13:57:59 +01:00
Ján Tomko
711f593566 conf: reject unfiltered sgio on validation
No kernels supported by upstream libvirt have the feature.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-19 13:57:59 +01:00
Ján Tomko
8b90d0833a qemu: remove support for transitional virtio-input-host
This device was virtio 1.0-only so adding the (non-)transitional model
did not make sense and it was only present in QEMU 4.0.

Report a validation error for both of the users that will ever hit this
code path.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-18 19:13:36 +01:00
Michal Privoznik
2fc6adcb30 networkxml2conftest: Check if capabilities were created successfully
Now that looking up dnsmasq is handled/mocked we can start
checking whether dnsmasq capabilities were built successfully and
error out if that wasn't the case.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-18 16:18:54 +01:00
Michal Privoznik
ec9ee676b4 networkxml2conftest: Use dnsmasqCapsNewFromBinary() to construct caps
DISCLAIMER: dnsmasq capabilities are empty as of v8.0.0-rc1~145.

In a real environment the dnsmasq capabilities are constructed
using dnsmasqCapsNewFromBinary(). We also have
dnsmasqCapsNewFromBuffer() to bypass checks that real code is
doing and just get capabilities object. The latter is used from
test suite.

However, with a little bit of mocking we can test the real life
code. All that's needed is to simulate dnsmasq's output for
--version and --help and mock a stat() that's done in
dnsmasqCapsRefreshInternal().

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-18 16:18:45 +01:00
Michal Privoznik
5c98d1cee0 virdnsmasq: Lookup DNSMASQ in PATH
While it's true that our virCommand subsystem is happy with
non-absolute paths, the dnsmasq capability code is not. It stores
the path to dnsmasq within and makes it accessible via
dnsmasqCapsGetBinaryPath(). While strictly speaking no caller
necessarily needs canonicalized path, let's find dnsmasq once and
cache the result.

Therefore, when constructing the capabilities structure look up
the binary path. If DNSMASQ already contains an absolute path
then virFindFileInPath() will simply return a copy.

With this code in place, the virFileIsExecutable() check can be
removed from dnsmasqCapsRefreshInternal() because
virFindFileInPath() already made sure the binary is executable.

But introducing virFindFileInPath() means we have to mock it in
test suite because dnsmasqCaps are created in
networkxml2conftest.

Moreover, we don't need to check for dnsmasq in configure.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-18 15:19:47 +01:00
Michal Privoznik
96308ebae9 virdnsmasq: Don't run 'dnsmasq --help'
We don't query any capabilities of dnsmasq. We are only
interested in dnsmasq's version (obtained via 'dnsmasq
--version'). Therefore, there's no point in running 'dnsmasq
--help'. Its output is not processed even.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-18 15:19:47 +01:00
Michal Privoznik
6944c78d38 lib: Prefer g_autoptr(dnsmasqCaps) instead of explicit unref
The dnsmasqCaps type has its own cleanup function defined and
ready to use via g_autoptr(). Use automatic cleanup instead of
an explicit one.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-18 15:19:47 +01:00
Michal Privoznik
fbe33e6587 testutils: Terminate usage string with a new line
If a test binary is executed with an argument then usage
information is printed out (that no arguments are accepted and
what environment variables affect execution). The string is
printed onto stderr but it is not terminated with a newline
character producing not so nice output.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2022-01-17 16:53:21 +01:00
Peter Krempa
1a691fe1c8 qemu: capabilities: Re-enable JSON syntax for -device
Now that qemu fixed device unplug when JSON syntax is used with -device
we can re-enable the feature.

Since the old capability string representation is condemned by
suggesting filtering it as a workaround we must introduce a new string.
To achieve this the original capability position is renamed to
X_QEMU_CAPS_DEVICE_JSON_BROKEN_HOTPLUG and a new position with the
original name QEMU_CAPS_DEVICE_JSON is introduced to prevent us having
to change the rest of the code.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-17 09:26:17 +01:00
Peter Krempa
cb15bf9d4d tests: qemucapabilities: Add test data for the qemu-7.0 development cycle
Update to commit v6.2.0-874-g1cd2ad11d3

Notable changes are:
- added flag noting that use of JSON syntax for -device was fixed
- 'dbus' backend for graphics and character devices added
- virtio-mem added 'node' property
- 'clusters' added to CPU topology
- 'open-timeout' property for NBD protocol backend
- 'wheel-left' and 'wheel-right' event types for 'input-send-event'
- increased default resolution to '1280x800' on 'virtio-gpu'
- SGX property 'section-size' changed to 'sections' incompatibly
  (unused luckily)

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-17 09:26:17 +01:00
Peter Krempa
8a1e6c1ab1 qemuxml2(argv|xml)data: x86-kvm-32-on-64: Add machine type
The machine type doesn't change the test result and prevents tests being
changed every time we are about to update real capabilities to a new
qemu.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-17 09:26:17 +01:00
Michal Privoznik
4f6d5656d3 tests: Report expected monitor command for simulated commands
There are two tests currently that simulate QMP talk:
qemucapabilitiestest and qemuhotplugtest. In both cases they
check whether currently executed command is the one for which
reply was provided. If not an error message is reported. However,
the error message contains only the actual command and not the
expected one. This makes it harder to navigate through .replies
files.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-15 06:33:33 +01:00
Divya Garg
abf9eac87c qemu: add index for isa-serial device using target.port
VM XML accepts target.port but this does not get passed while
building the QEMU command line for this VM.

Signed-off-by: Divya Garg <divya.garg@nutanix.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-01-14 15:41:57 +01:00
Divya Garg
11ddab1daf Add the port allocation logic for isa-serial devices.
This commit takes care of following cases:
-> Check availability of requested ports.
  ->The total number of requested ports should not be more than
    VIR_MAX_ISA_SERIAL_PORTS.
  ->The ports requested should be less than VIR_MAX_ISA_SERIAL_PORTS.
  ->VIR_MAX_ISA_SERIAL_PORTS should correspond to MAX_ISA_SERIAL_PORTS
    specified in QEMU code commit def337ffda34d331404bd7f1a42726b71500df22.
-> Prevent duplicate device assignments to the same port.
-> In case no ports are provided in the XML, this patch scans the list of unused
   isa-serial indices to automatically assign available ports for this VM.

Signed-off-by: Divya Garg <divya.garg@nutanix.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2022-01-14 15:41:57 +01:00
Tim Wiederhake
7cd0e26c81 Fix some typos
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-12 11:43:30 +01:00
Peter Krempa
bd3d00babc qemu: Revert to using non-JSON commandline for -device
When -device is configured via JSON a bug [1] is triggered in qemu were
the DEVICE_DELETED event for the removal of the device frontend is no
longer delivered to libvirt. Without the DEVICE_DELETED event we don't
remove the corresponding entries in the VM XML.

Until qemu will be fixed we must stop using the JSON syntax for -device.

This patch removes the detection of the capability. The capability is
used only during startup of a fresh VM so we don't need to consider any
compaitibility steps for existing VMs.

For users who wish to use 'libvirt-7.9' and 'libvirt-7.10' with
'qemu-6.2' there are two possible workarounds:

 - filter out the 'device.json' qemu capability '/etc/libvirt/qemu.conf':

   capability_filters = [ "device.json" ]

 - filter out the 'device.json' qemu capability via qemu namespace XML:

   <domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
     [...]
     <qemu:capabilities>
       <qemu:del capability='device.json'/>
     </qemu:capabilities>
   </domain>

We must never again use the same capability name as we are now
instructing users to filter it as a workaround so once qemu is fixed
we'll need to pick a new capability value for it.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=2036669

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2035237
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-10 09:35:00 +01:00
Peter Krempa
fd9aa4d17c qemuTestCapsCacheInsert: Rewrite caps cache insertion
Until now we did 2 weird things when inserting the qemuCaps used for
individual test cases into the capability cache:

1) we inserted the same caps for all emulators
2) we always (expensively) copied them

Now when real capabilities are used we don't touch them at all just
simply inser them. This allows us one big optimization, by trading a
copy for just a virObjectRef as we can borrow the caps object to the
cache.

For fake caps we still copy them as we insert the fake machine types
into them, but second big optimization is to insert the capabilities
only for the architecture they belong to.

Additionally this commit also ensures that all other entries in the
cache for the binary are poisoned by empty caps so that it's obvious
that the test is doing the right thing.

Apart from this making actually more sense this shaves off more than 40%
of runtime from qemuxml2argvtest.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
33582212cd qemuTestCapsCacheInsert: Extract code for populating fake machine types
Separate the code to aid further refactors.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
8dcbaa6ec8 qemuxml2argvtest: Convert 'missing-machine' to DO_TEST_CAPS_LATEST
Emulator binary change is needed to use the latest caps properly. The
comment is no longer needed, the expected error is recorded in the 'err'
file.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
41edcb57a8 qemuxml2argvtest: Enable qemuxml2argv version of 'blkdeviotune' test
Also ensure that the emulator and architecture are correct for
DO_TEST_CAPS_LATEST.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
239a6f6954 qemuxml2(xml|argv)test: Test real state of things with 'x86-kvm-32-on-64'
As demonstrated by the qemuxml2xmltest DO_TEST_CAPS_LATEST data based on
the 'x86-kvm-32-on-64' test case the post parse CPU selection code which
fills in the CPU into the definition does not have exactly the same
logic as we used to have when the cpu model was picked when formatting
the commandline.

Change the qemuxml2argv test to use DO_TEST_CAPS_LATEST too as it
doesn't really make sense to test this on fake data.

In addition to 'latest' versions, this also adds second invocation
locked to qemu-4.1.0 which demonstrates the old behaviour.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
42d9807350 qemuxml2argvtest: Don't insert capabilities into cache twice
Fake capabilities are inserted twice, as in a few tests the architecture
is not present in the XML (testing filling in of the architecture).
Since we already know which architecture will be picked we don't need to
be adding the capabilities twice.

This doesn't impact the tests as they use the same approach to determine
the default arch.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
0a4e33ffde qemuxml2argvdata: Use proper arch and emulator for aarch64 real capability tests
Upcoming patches will modify how we populate the capability cache in
tests to be more sane. This also means that the emulator binary and
architecture used in the test files using real capabilities must match
what the real capabilities have.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
c9880b647b qemuxml2argvdata: Use proper arch and emulator for x86 real capability tests
Upcoming patches will modify how we populate the capability cache in
tests to be more saner. This also means that the emulator binary and
architecture used in the test files using real capabilities must match
what the real capabilities have.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
b02f60e316 testutilsqemu: Remove unused fake-caps x86 machine types
None of our tests reference 'isapc', and 'pc-i440fx-2.6'.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
d08ce2fdd4 securityselinuxlabeldata: Purge unneeded versioned machine type
Use 'pc' instead.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
f900220494 qemuhotplugtestdomains: Remove unnecessary use of versioned pc machine types
The specific machine type is not important for the test. We can use 'pc'
instead.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
e3a2117488 tests: qemuxml2argvdata: Purge versioned i440fx machine types from fake-caps tests
Use the 'pc' alias for them as it's equivalent.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
ee12bd7b8a qemuxml2(argv|xml)test: Unify usage of DO_TEST_CAPS_LATEST
The qemuxml2argv invocation of some tests used DO_TEST_CAPS_LATEST while
the qemuxml2xmltest invocation uses fake caps. Unify them on
DO_TEST_CAPS_LATEST.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
c05dc2851c qemuxml2(argv|xml)test: Enable 'controller-usb-order' for qemuxml2argv and convert it to latest caps
Since introduction in fc03eb53c0 there wasn't a qemuxml2argv
version. As we are touching the files convert them to
DO_TEST_CAPS_LATEST directly.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
22184d6631 qemuxml2xmltest: Replace 'interface-server' by 'net-server' test case
According to commit 5222256849 the test case was added to verify that
the '<address>' element is covered by the schema. The test was not
registered for qemuxml2argvtest though. We can use 'net-server' instead
as it has the same type. On the other hand that one was not registered
for qemuxml2xmltest.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:14 +01:00
Peter Krempa
83bd28dc8f tests: qemuxml2argvdata: Remove specific q35 machine types from fake-caps tests
Use q35 instead.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:13 +01:00
Peter Krempa
fe25fb51b1 tests: qemuxml2argvdata: Remove use of 'pc-1.0' and 'pc-1.2' machine types
There's nothing special about the tests requiring to use very old
machine types. Most usage is cargo-culted from other tests. Switch all
the tests to use 'pc' instead.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:13 +01:00
Peter Krempa
0a810b4a16 testutilsqemu: Remove unused non-x86 fake machine types
For tests with fake capabilities we fill in a bunch of machine types
which the tests might use. For now there's a random collection of
machine types which are not actually used. Purge the unused ones for
non-x86 machines.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:13 +01:00
Peter Krempa
f36ca73940 qemuxml2argvtest: Remove redundant floppy controller tests
The two test cases were added to avoid regressions such as fixed in
17dff35848. Nowadays the code is much simpler and any Q35 machine
will trigger the explicit FDC.

Remove the '2.11' machine type version and turn the '2.9' version into a
generic q35 machine.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:13 +01:00
Peter Krempa
dc5fd559eb qemuProcessPrepareQEMUCaps: Don't clear QEMU_CAPS_CHARDEV_FD_PASS_COMMANDLINE
All the fd-passing setup of chardevs which this hack meant to disable
was moved to the host-preparation phase which is skipped for formatting
of non-real commandlines.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-07 09:25:13 +01:00
Martin Kletzander
9f6749dea0 util: Check for errors in virLogSetFromEnv
And make callers check the return value as well.  This helps error out early for
invalid environment variables.

That is desirable because it could lead to deadlocks.  This can happen when
resetting logging after fork() reports translated errors because gettext
functions are not reentrant.  Well, it is not limited to resetting logging after
fork(), it can be any translation at that phase, but parsing environment
variables is easy to make fail on purpose to show the result, it can also happen
just due to a typo.

Before this commit it is possible to deadlock the daemon on startup
with something like:

LIBVIRT_LOG_FILTERS='1:*' LIBVIRT_LOG_OUTPUTS=1:stdout libvirtd

where filters are used to enable more logging and hence make the race less rare
and outputs are set to invalid

Combined with the previous patches this changes
the following from:

...
<deadlock>

to:

...
libvirtd: initialisation failed

The error message is improved in future commits and is also possible thanks to
this patch.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
2022-01-05 14:08:40 +01:00
Jim Fehlig
00f324bc3c qemu: Implement the virDomainSetLaunchSecurityState API
Set a launch secret in guest memory using the sev-inject-launch-secret
QMP API. Only supported with qemu >= 6.0.0 and SEV-enabled guests in a
paused state.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-01-04 10:56:00 -07:00
Jim Fehlig
a26d99c2b1 qemu_capabilities: Introduce QEMU_CAPS_SEV_INJECT_LAUNCH_SECRET
The 'sev-inject-launch-secret' qmp command is only available with
qemu >= 6.0.0. Introduce a capability for sev-inject-launch-secret.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2022-01-04 10:56:00 -07:00
Michal Privoznik
51f7f7d109 qemuxml2xmloutdata: Turn kvm-features*.xml into symlinks
There's no real difference between input and output XMLs for
kvm-features and kvm-features-off test cases. Do what we usually
do in such case - turn the output file into a symlink of the
input file.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2022-01-04 16:40:10 +01:00
Michal Privoznik
dcc278d04e qemuxml2xmloutdata: Turn tpm-*.xml files into symlinks
Make the tpm-*.xml files symlinks to their respective input XMLs
from qemuxml2argvdata/ directory. Neither of the XMLs relies on
autofill of any TPM data.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2022-01-04 10:23:11 +01:00
Michal Privoznik
d00e6dfe6b qemuxml2xmltest: Introduce tpm-emulator-spapr test
We already have the input xml because of xml2arg test. However,
the corresponding xml2xml test case is missing. Make the expected
XML a symlink to the input XML and clean the latter up a bit.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2022-01-04 09:43:35 +01:00
Peter Krempa
c574a25932 tests: Remove 'qemucapsfixreplies'
The 'qemucapabilitiesnumbering' tool now replaces the role of this
script and provides way to programmatically modify the replies file on
top.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-03 13:14:43 +01:00
Peter Krempa
06fb078fea tests: Tool for programatic modification of qemucapabilitiesdata/*.replies
The tool is assembled from individual bits used for tests and actual
capturing of the replies files. The tool ensures correct numbering and
formatting of entries.

In normal usage mode it masks as a test which validates formatting and
numbering of the tests/qemucapabilitiesdata/*.replies files. This tool
was actually used to produce commits 096ac87a1a and aa21615ccb.

In case a manual modification of the replies file is needed the
'modify()' function provides a convenient way to do programatic
modification of the caps file.

As an example the modify() function has commented-out code which
provides a basic scaffold to do modifications along with a how-to.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-03 13:14:43 +01:00
Peter Krempa
984952842f qemumonitortestutils: Extract parser for the monitor conversation dump file
Make the parser reusable by extracting it and making it parse into
command,reply tuples.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-03 13:14:43 +01:00
Peter Krempa
93093b8089 tests: qemumonitortestutils.h: Reformat header file
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-03 13:14:43 +01:00
Andrea Bolognani
a8f4298175 tests: virtimetest: Mention GLib version containing fix
We now know exactly which GLib version we need to depend on
for the workaround to no longer be necessary.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
2022-01-03 09:39:35 +01:00
Andrea Bolognani
9be0889234 tests: virtimetest: Skip more tests near year's end
All of these are affected by the same issue as the ones that
we're already skipping during this specific time interval.

Suggested-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
2022-01-03 09:38:48 +01:00
Andrea Bolognani
4e0acd34c9 tests: virtimetest: Move comment
Will keep things reasonable as we perform further code
movements.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
2022-01-03 09:38:44 +01:00
Peter Krempa
a8b4a41731 util: json: Don't copy string in virJSONValueNewString
With 'g_strdup' not needing error handling we can ask callers to pass a
copy of the string which will be adopted by the JSON value.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Tim Wiederhake <twiederh@redhat.com>
2021-12-22 13:48:35 +01:00
Peter Krempa
66566e84b8 storage: Introduce 'extended_l2' feature for storage volume
QCOW2 images now support 'extended_l2' which splits the default clusters
into 32 subcluster allocation units. This allows the allocation units to
be smaller without increasing the size of L2 table too much and thus also
the cache requirements for holding the full L2 table in memory.

Unfortunately it's incompatible with qemu versions older than 5.2 thus
can't be used as default.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-12-21 13:23:09 +01:00
Michal Privoznik
5ce184f33c vsh-table: Ensure NULL terminated arguments to vshTable*()
There are two functions that take variable arguments:
vshTableNew() and vshTableRowAppend(). Both expect the list of
arguments to be NULL terminated. Annotate them with
G_GNUC_NULL_TERMINATED to enable compile time check for this.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-12-17 15:05:58 +01:00
Michal Privoznik
eb9bbde772 vshtabletest: Fix potential memleak
In testVshTableNew() we test whether vshTableNew(NULL) allocates
a table. This is expected to fail (and return NULL), because
passing nothing but NULL to vshTableNew() is viewed as error.
Nevertheless, if vshTableNew() did not fail and returned an
allocated table it would be leaked.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-12-17 15:05:42 +01:00
Michal Privoznik
c1355849e4 qemu_command: do use host-nodes for system memory
After previous commit, it's no longer possible to change nodeset
for strict numatune. Therefore, we can start generating
host-nodes onto command line again.

This partially reverts d73265af6e.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
2021-12-17 13:21:55 +01:00
Michal Privoznik
8237cdd8d4 qemucapabilitiesdata: Fix command name in caps_3.0.0.ppc64.replies
Under the qemucapabilitiesdata we have a replies file for
QEMU-3.0.0.ppc64. At least we think so. In fact, the file
contains replies from a development snapshot release that
predates 3.0.0 (specifically it's v2.12.0-1689-g518d23a) and as
such does not reflect any change that was made to QEMU after the
snapshot and before the official relase. One of such changes was
renaming 'exit-preconfig' command to 'x-exit-preconfig' (QEMU
commit v3.0.0-rc1~21^2~3). Ideally, we would just regenerate
capabilities using the official release but since this is a PPC64
machine and pretty old version anyway let's just fix the command
name.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
2021-12-17 09:39:53 +01:00
Daniel P. Berrangé
e4e873e9b6 qemu: format sev-guest.kernel-hashes property
Set the kernel-hashes property on the sev-guest object if the config
asked for it explicitly. While QEMU machine types currently default to
having this setting off, it is not guaranteed to remain this way.

We can't assume that the QEMU capabilities were generated on an AMD host
with SEV, so we must force set the QEMU_CAPS_SEV_GUEST. This also means
that the 'sev' info in the qemuCaps struct might be NULL, but this is
harmless from POV of testing the CLI generator.

Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-12-16 18:10:33 +00:00
Daniel P. Berrangé
a4efca7695 tests: allow setting extra capabilities on top of versioned caps
In the QEMU tests a test can either use an explicitly listed set of
capabilities, or can request those matching a particular QEMU
version. Sometimes it is desirable to be able to list extra caps
on top of those implied by a particular version.

This is useful, for example, when QEMU won't report certain features
unless it was run on particular hardware or kernels, and those were
not used when a caps snapshot was imported to the libvirt source tree.

Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-12-16 18:10:33 +00:00
Daniel P. Berrangé
1826716c1f qemu: probe for sev-guest.kernel-hashes property
This sev-guest object property indicates whether QEMU should
expose the kernel, ramdisk, cmdline hashes to the firmware
for measurement.

Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-12-16 18:06:53 +00:00
Peter Krempa
8557431995 qemuxml2argvtest: disk-missing-target: Add two disks with same bus
A recent code movement introduced a bug which reproduces only when there
are two disks on the same bus missing the target. Improve the test case
for the missing target test.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-12-16 15:58:06 +01:00
Peter Krempa
f8915af663 qemucapstest: Update qemu capabilities probe dump for qemu-6.2 release
qemu-6.2 is out, update the caps dump for the final time.

Notable changes:
- 'unstable' feature flag for various QMP schema entries
- 'aio-max-batch' iothread property
- 'kernel-hashes' knob for the 'sev-guest' object
- 'native-hotplug' of 'pcie-root-port' is now unstable again
- 'page-sampling/dirty-ring/dirty-bitmap' mode for 'calc-dirty-rate'
- 'toolsversion' field for the 'vmdk' disk format driver
- CPU changes resulting in 'core-capability' being present on the cpu
  of the machine this dump was done on

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-12-16 09:57:35 +01:00
Ján Tomko
6b59d6cac1 tests: do not test dnsmasq older than 2.67
Prepare to retire older versions by droping older tests.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Laine Stump <laine@redhat.com>
2021-12-15 15:28:17 +01:00
Daniel P. Berrangé
7826148a72 qemu: report max number of SEV guests
Different CPU generations have different limits on the number
of SEV/SEV-ES guests that can be run. Since both limits come
from the same overall set, there is typically also BIOS config
to set the tradeoff betweeen SEV and SEV-ES guest limits.

This is important information to expose for a mgmt application
scheduling guests to hosts.

Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2021-12-14 16:04:17 +00:00