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The feature is present in all supported qemu versions (>2.11) and there
isn't a reasonable way to detect it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The feature is present in all supported qemu versions (>2.11) and there
isn't a reasonable way to detect it.
In addition the capability wasn't even used to gate any functionality
except for reporting the presence in the domain capabilities XML.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The feature is present in all supported qemu versions (>2.11) and there
isn't a reasonable way to detect it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The feature is present in all supported qemu versions (>2.11) and there
isn't a reasonable way to detect it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
The feature is present in all supported QEMU versions and there isn't a
more elegant way to detect it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
All supported qemus have it, there isn't an elegant way to detect it and
it's unlikely to be ever removed on purpose.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
'query-commandline-options' never returned 'vmport' but we can detect it
in the list of supported object types. This removes it from all non-x86
originating test data as it's platform specific.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
All supported qemu versions have 'query-qmp-schema' so we can remove the
check whether it exists and all logic conntected to it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Move it under AARCH 64, since it's a platform specific feature, thus it
will be removed from all other platforms.
Since virQEMUCapsInitQMPBasicArch is used in qemuxml2argv test to
initiate qemuCaps for tests with fake capabilities, all the tests gain
GIC support now.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Neal Gompa <ngompa13@gmail.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This is available in QEMU with "ide-hd" and "scsi-hd" device
types. It was originally mistakenly added to the "scsi-block"
device type too, but later removed. This doesn't affect libvirt
since we restrict usage to device=disk.
When this property is not set then QEMU's default behaviour
is to not report any rotation rate information, which
causes most guest OS to assume rotational storage.
https://bugzilla.redhat.com/show_bug.cgi?id=1498955
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Upcoming commit will enable full backup support (incremental part
requires blockdev-reopen, which won't happen in qemu for at least
another release).
Add a capability that the 'blockdev-backup' job is supported by qemu
capped, but limited to when qemu supports QEMU_CAPS_BLOCKDEV.
We can also use it in the expression to enable
QEMU_CAPS_INCREMENTAL_BACKUP since it's a pre-requisite too.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The -audiodev arg is a new way to configure audio devices in QEMU to
replace the QEMU_AUDIO_DRV env variable. This arg is not visible in
the "query-command-line-options" output since it is entirely QAPI
driven, not QemuOpts. It also isn't in "query-qmp-schema" though
since there's no QMP command that uses the Audiodev type yet.
So probe for the existance of this feature by looking for the
-vnc "audiodev" property. This won't let us determine which
precise audio backends QEMU has been built with, but for now
that's no worse than with env variables today.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This was introduced in QEMU 2.2.0, and is visible by -vnc appearing in
the "query-command-line-options" data.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This capability tracks whether memory-backend-file has
"x-use-canonical-path-for-ramblock-id" attribute. Introduced into
QEMU by commit fa0cb34d2210cc749b9a70db99bb41c56ad20831. As of
QEMU commit 8db0b20415c129cf5e577a593a4a0372d90b7cc9 the property
is considered stable by qemu despite the 'x-' prefix to preserve
compatibility with released qemu versions.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The "max" model can be treated the same way as "host" model in general.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Probing for the NCR53C90 controller is a little unusual. The
qom-list-types QMP command returns a list of all types known to
the QEMU binary. It does not distinguish devices which are user
creatable from those which are built-in.
Any QEMU target that supports PCI will have the DC390 / AM53C974
devices because they are PCI based. Due to code dependencies
in QEMU though, existence of these two devices will also pull in
the NCR53C90 device (called just 'esp' in QEMU). The NCR53C90 is
not user-creatable and can only be used when built-in to the
machine type.
This is only the case on sparc machines, and certain mips64 and
m68k machines. IOW, we don't rely on qom-list-types as a guide
for existence of NCR53C90, as it shouldn't really exist in most
QEMU binaries.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The QEMU 9pfs 'fmode' and 'dmode' options have existed since QEMU 2.10.
Probe QEMU's command line set to check whether these options are
available, and if yes, enable this new QEMU_CAPS_FSDEV_CREATEMODE
capability on libvirt side.
Signed-off-by: Brian Turek <brian.turek@gmail.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Use of the -enable-fips option is being deprecated in QEMU >= 5.2.0. If
FIPS compliance is required, QEMU must be built with libcrypt which will
unconditionally enforce it.
Thus there is no need for libvirt to pass -enable-fips to modern QEMU.
Unfortunately there was never any way to probe for -enable-fips in the
first instance, it was enabled by libvirt based on version number
originally, and then later unconditionally enabled when libvirt dropped
support for older QEMU. Similarly we now use a version number check to
decide when to stop passing -enable-fips.
Note that the qemu-5.2 capabilities are currently from the pre-release
version and will be updated once qemu-5.2 is released.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
This capability tracks whether QEMU is capable of defining HMAT
ACPI table for the guest.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Expose the TPM Proxy support for PPC64 guests by creating a new
cap called QEMU_CAPS_DEVICE_SPAPR_TPM_PROXY.
This device is part of the machinery the guest need to orchestrate
with the PPC64 Ultravisor the transition to the Secure VM (SVM)
mode. Inside QEMU, this device will be used with the H_TPM_COMM
hypercall to connect with the TPM Resource Manager, enabling
the guest to open and close TPM sessions with the host TPM.
Tested-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
These parameters were originally set via dedicated commands which are
now deprecated. We want to use migrate-set-parameters instead if
possible.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This capability tracks whether QEMU supports -fw_cfg command line
option, more specifically whether it allows specifying filename.
There are some releases of QEMU which support -fw_cfg but not
filename. If this is ever a problem we can refine the capability
later on.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
There is 'numa-mem-supported' machine attribute which specifies
whether '-numa mem=' is supported. Store it in our capabilities
as it will be used in later commits when building the command
line.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This capability flags support for `-device pvscsi`, which provides the
VMware paravirtual SCSI controller.
Signed-off-by: Chris Jester-Young <cky@cky.nz>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Historically the 'scsi' passthrough feature of virtio-blk-pci
was enabled by default. Libvirt was disabling it due to security
implications outlined in libvirt commit v0.9.9-4-g177db08775 if it was
not explicitly requested. In qemu commit v2.4.0-1566-ged65fd1a27 the
default value was changed to disabled in preparation for virtio-1.
Starting from QEMU-5.0 the 'scsi' property was also deprecated. There
replacement for the functionality is to use 'virtio-scsi' for the
purpose. This isn't a direct replacement though.
Add capability named QEMU_CAPS_VIRTIO_BLK_SCSI_DEFAULT_DISABLED which
allows us to stop formatting the 'scsi=' property if it's disabled by
default and not requested so that we don't use deprecated features.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The churn in the output files is caused primarily by the fact that
replies were generated on a POWER9 machine, which is good because
we didn't have coverage of that before.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Since QEMU 2.10 it is possible to disable TCG when building
QEMU. Introduce a capability that reflects this.
Signed-off-by: Tobin Feldman-Fitzthum <tobin@linux.vnet.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
IBS (Indirect Branch Speculation) is the last capability added
in QEMU 2.12 related to Spectre mitigation for Power. It was
added in commit 4be8d4e7d935.
This patch introduces it as QEMU_CAPS_MACHINE_PSERIES_CAP_IBS.
Like CFPC and SBBC, users might want to tune in IBS based on
their HW and guest OS requirements, and it's better to do it
so in a proper Libvirt feature than to put QEMU arguments
in the middle of the domain XML.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
SBBC (Speculation Barrier Bounds Checking) is another capability
related to Spectre mitigation efforts in Power processors. It
was implemented in QEMU 2.12 by commit 09114fd81799.
This patch introduces it as QEMU_CAPS_MACHINE_PSERIES_CAP_SBBC to
be implemented in the next patch. Like the case with the now
implemented CFPC, exposing this feature in the XML allows for
a cleaner way for users to tune the SBBC accordingly, given
that not all hypervisor and guest setups supports this
Spectre mitigation.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
CFPC (Cache Flush on Privilege Change) is one of the capabilities
added to QEMU to mitigate Spectre vulnerabilities in Power chips.
It was implemented in QEMU 2.12 by commit 6898aed77f46.
This capability is still used today due to differences in how
the host setup (hardware and firmware/kernel) can handle this
mitigation. Its default value also varies with the pseries machine
version of the time. There's also certain OSes, like AIX, that
might not support the default value of the pseries machine the
guest uses.
Exposing this in the Libvirt XML as a feature will allow users to tune
CFPC values in a cleaner way, instead of hacking parameters in
<qemu:commandline> elements.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add the capability for QEMU's packed virtqueues for virtio that supposedly have
better cache utilization and performance compared to the default split queues.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Bjoern Walk <bwalk@linux.ibm.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
The QEMU 9pfs 'multidevs' option exists since QEMU 4.2. Probe QEMU's
command line set though to check whether this option is really
available, and if yes enable this new QEMU_CAPS_FSDEV_MULTIDEVS
capability on libvirt side.
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Detect the werror property on SCSI and virtio disks.
But clear it if the QEMU supports usb-storage device without it
also supporting this option for usb-storage.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Update ppc64 capabilities to pick up the new NVDIMM capability
support for ppc64.
Since the ppc64 capabilities weren't updated for some time, the
bulk of the changes here are related to the blockdev support
(see commit c6a9e54ce3 for info) that we are picking up just
now.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This patch extends the ppc64 capabilities data with TPM related XML
and responses. The replies and xml files are copies of the 4.2.0 version
of these files with TPM related data added.
We also need to copy qemu_4.2.0.ppc64.xml to qemu_5.0.0.ppc64.xml.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
