This patch introduces the logic to format and parse remote NVRAM.
Update NVRAM element schema, and docs for supporting network backed
NVRAM. NVRAM backed over network would give the flexibility to start
the VM on any host without having to worry about where to get the latest
nvram image.
<nvram type='network'>
<source protocol='iscsi' name='iqn.2013-07.com.example:iscsi-nopool/0'>
<host name='example.com' port='6000'/>
</source>
</nvram>
or
<nvram type='file'>
<source file='/var/lib/libvirt/nvram/guest_VARS.fd'/>
</nvram>
In the qemu driver we will support the new definition only with qemu's
supporting -blockdev.
Signed-off-by: Prerna Saxena <prerna.saxena@nutanix.com>
Signed-off-by: Florian Schmidt <flosch@nutanix.com>
Signed-off-by: Rohit Kumar <rohit.kumar3@nutanix.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Rohit Kumar <rohit.kumar3@nutanix.com>
Introduce virDomainLoaderDefFormatNvram and extract the code to it so
that it's self-contained in upcoming patches adding more complex logic.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Rohit Kumar <rohit.kumar3@nutanix.com>
Currently, libvirt allows only local filepaths to specify the location
of the 'nvram' image. Changing it to virStorageSource type will allow
supporting remote storage for nvram.
Signed-off-by: Prerna Saxena <prerna.saxena@nutanix.com>
Signed-off-by: Florian Schmidt <flosch@nutanix.com>
Signed-off-by: Rohit Kumar <rohit.kumar3@nutanix.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Tested-by: Rohit Kumar <rohit.kumar3@nutanix.com>
As of v7.0.0-877-g70ac26b9e5 QEMU exposes its default event loop
for devices with no IOThread assigned as an QMP object. In the
very next commit (v7.0.0-878-g71ad4713cc) it was extended for
thread-pool-min and thread-pool-max attributes. Expose them under
new <defaultiothread/> element.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
At least in case of QEMU an IOThread is actually a pool of
threads (see iothread_set_aio_context_params() in QEMU's code
base). As such, it can have minimal and maximal number of worker
threads. Allow setting them in domain XML.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
So far, iothread configuration structure (virDomainIOThreadIDDef)
is allocated by plain g_new0(). This is perfectly okay because
all members of the struct default to value 0 anyway. But soon
this is going to change. Therefore, replace those g_new0() with a
function so that the default value can be set consistently in one
place.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Formatting iothreads is currently open coded inside of
virDomainDefFormatInternalSetRootName(). While this works, it
makes the function needlessly long, especially if the formatting
code will expand in near future. Therefore, move it into a
separate function. At the same time, make
virDomainDefIothreadShouldFormat() accept const domain definition
so that the new function can also accept const domain definition.
Formatters shouldn't need to change definition.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
In virDomainIOThreadIDDefArrayInit() the variable @iothrid is
used only inside a loop but is declared for whole function. Bring
the variable into the loop so that it's obvious that the variable
is not used elsewhere.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Using g_autoptr() for @iothrid variable inside
virDomainDefParseIOThreads() allows us to drop explicit call to
virDomainIOThreadIDDefFree() in one case.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This new "post-copy failed" reason for the running state will be used on
the destination host when post-copy migration fails while the domain is
already running there.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The virStorageSourceGetActualType() function returns either
virStorageSource->type (which is of type virStorageType), or
virStorageSourcePoolDef->type, which really stores a value of the
same enum. Thus, the latter struct can be changed so that the
virStorageSourceGetActualType() function can return correct type
instead of generic int.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
There are three places (two in domain_conf.c and one in
qemu_migration.c) where a virStorageSource->type is typecasted to
virStorageType (for the purpose of catching missing enum member
in a switch() statement at compile time). This is needless,
because as of v8.2.0-rc1~120 the struct member is of proper type.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Commit a1465e661e added the 'manual' disk snapshot mode documentation
but didn't allow it in the schema as default snapshot mode for a disk.
Add the needed value into the schema.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The virDomainObj struct has @pid member where the domain's
hypervisor PID is stored (e.g. QEMU/bhyve/libvirt_lxc/... PID).
However, we are not consistent when it comes to shutoff state.
Initially, because virDomainObjNew() uses g_new0() the @pid is
initialized to 0. But when domain is shut off, some functions set
it to -1 (virBhyveProcessStop, virCHProcessStop, qemuProcessStop,
..).
In other places, the @pid is tested to be 0, on some other places
it's tested for being negative and in the rest for being
positive.
To solve this inconsistency we can stick with either value, -1 or
0. I've chosen the latter as it's safer IMO. For instance if by
mistake we'd kill(vm->pid, SIGTERM) we would kill ourselves
instead of init's process group.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
If input device has one of virtio* models set then it has to go
onto virtio bus. Introduce such check into the validator.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2081981
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
There are some formatting problems with virDomainInputDefValidate().
Reformat it to our standards. Use this opportunity to move error
messages onto a single line.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Add the new introduced sysfs attribute dev_busid which provides the address
of the device in the subchannel independent from the bound device driver.
It is added if available in the sysfs as optional channel_dev_addr element into
the css device capabilty providing the ccw deivce address attributes cssid,
ssid and devno.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Refactor out nodedev ccw address schema for easy reuse later.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Move ccw device address XML parsing into new method for later reuse.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Adjust method name virDomainDeviceCCWAddressParseXML to
virCCWDeviceAddressParseXML.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Refactor virDomainDeviceCCWAddressEqual into virccw and rename method as
virCCWDeviceAddressEqual.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Refactor virDomainDeviceCCWAddressIsValid into virccw and rename method
as virCCWDeviceAddressIsValid.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Refactor virDomainCCWAddressIncrement into virccw and rename method as
virCCWDeviceAddressIncrement.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Move virDomainCCWAddressAsString into virccw and rename method as
virCCWDeviceAddressAsString.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Refactor ccw data structure virDomainDeviceCCWAddress into util virccw.h
and rename it as virCCWDeviceAddress.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The USB device redirection works in a similar way as Spice. The
underlying 'dbus' channel is set to "org.qemu.usbredir" by default for
the client to identify the channel purpose (as specified in -display
dbus documentation).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Like a Spice port, a dbus serial must specify an associated channel name.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The 'absolute' clock offset type has a 'start' attribute which is an
unix epoch timestamp to which the hardware clock is always set at start
of the VM.
This is useful if some VM needs to be kept set to an arbitrary time for
e.g. testing or working around broken software.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We have to always store the state of the feature in the
virDomainDef struct, otherwise
<smm state='off'/>
will incorrectly be interpreted as if the <smm> element was not
present.
Fixes: eeb94215b0
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
It will be used in future patch in multiple places.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Since v1.3.0-90-gafbe1d4c56 the original value of memlock limit
is stored inside virDomainObj struct directly (under
originalMemlock member). This is needless because the value is
used only inside QEMU driver and thus can reside in
qemuDomainObjPrivate struct.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Add the ability to configure a qemu-vdagent in guest domains. This
device is similar to the spice vdagent channel except that qemu handles
the spice-vdagent protocol messages itself rather than routing them over
a spice protocol channel.
The qemu-vdagent device has two notable configuration options which
determine whether qemu will handle particular vdagent features:
'clipboard' and 'mouse'.
The 'clipboard' option allows qemu to synchronize its internal clipboard
manager with the guest clipboard, which enables client<->guest clipboard
synchronization for non-spice guests such as vnc.
The 'mouse' option allows absolute mouse positioning to be sent over the
vdagent channel rather than using a usb or virtio tablet device.
Sample configuration:
<channel type='qemu-vdagent'>
<target type='virtio' name='com.redhat.spice.0'/>
<source>
<clipboard copypaste='yes'/>
<mouse mode='client'/>
</source>
</channel>
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This enumeration will be useful for vnc with the upcoming qemu-vdagent
device so make the name more generic.
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Validate the domain configuration to ensure that if there are more than
one vgpu assigned to a domain, only one of them has 'ramfb' enabled.
This was never a supported configuration. QEMU failed confusingly when
attempting to start a domain with this configuration. This change
attempts to provide better information about the error.
https://bugzilla.redhat.com/show_bug.cgi?id=2079760
Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
It allows libvirt to provide the value of cpu0-id retuned by the Qemu QMP
command query-sev-capabilities as implemented by the Qemu Patch [1] which
is merged to Qemu master branch and should be available with Qemu 7.1.
This is used to get the signed Chip Endorsement Key (CEK) of the CPU of AMD
system from AMD's Key Distribution Service (KDS).
Similar to cbitpos, reducedPhysBits, maxGuests & maxESGuests;
the value of cpu0-id is also provided using 'virsh domcapability'.
[1] https://lore.kernel.org/all/20220228093014.882288-1-dovmurik@linux.ibm.com/
Signed-off-by: Niteesh Dubey <niteesh@linux.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The code already handles this so we just need to allow it in the schema.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Separate it so that further addition can target 'ftp' only.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Only certain disk protocols support authentication. Add validation for
this field.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This allows a later patch to replace virObjectLock/Unlock
pairs with automatic mutex management code.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This allows a later patch to replace virObjectLock/Unlock
pairs with automatic mutex management code.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Checking for duplicate / NULL keys beforehand will simplify error
handling in a later patch significantly.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Scenario is with two domains with same VNC websocket port.
- start first domain
- start second, it will fail as port is occupied
As a result port will be released which breaks port reservation logic.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@openvz.org>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Move validation from virDomainDiskDefIotuneParse into the validation callback.
Signed-off-by: Moteen Shah <codeguy.moteen@gmail.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Allow nwfilterStateCleanupLocked to be called on a partially constructed
driver object.
This enables the next patch to simplify and fix error handling in
nwfilterStateInitialize.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Allow virNWFilterObjListFree to be called with a NULL argument.
This enables a later patch to use virNWFilterObjListFree as a
cleanup function safely, as it is a no-op if virNWFilterObj was
not yet initialized.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Added "rss" and "rss_hash_report" configuration that should be
used with qemu virtio RSS. Both options are triswitches. Used as
"driver" options and affects only NIC with model type "virtio".
In other patches - options should turn on virtio-net RSS and hash
properties.
Signed-off-by: Andrew Melnychenko <andrew@daynix.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The property is parsed using virTristateBoolTypeFromString() but
formatted as if it was a regular bool, which results in the
following incorrect conversion:
BOOL_ABSENT -> managed='no'
BOOL_YES -> managed='yes'
BOOL_NO -> managed='yes'
Use the virTristateBoolTypeToString() helper to ensure the
setting can survive a roundtrip conversion.
Fixes: 4b4a981d60
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The check that ensures that at least one property among accel3d,
accel2d and rendernode has been provided by the user had been
lost during the conversion to virXMLPropTristateBool().
Fixes: 0fe2d8dd33
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This is needed so that IOMMU devices can have addresses.
Existing IOMMU devices (intel-iommu and SMMUv3) are system
devices and as such don't have an address associated to them, but
virtio-iommu is a PCI device and needs one.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This new flag can be used to convince the PCI address assignment
algorithm to place a device directly on the root bus. It will be
used to implement support for virtio-iommu, which needs to be an
integrated device in order to work correctly.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Taint the domain object when the user requests custom device properties.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This reverts commit 150540394d.
Turns out, this feature is not needed and QEMU will fix TSC
without any intervention from outside.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>P
Some versions of Windows hang on reboot if their TSC value is greater
than 2^54. The workaround is to reset the TSC to a small value. Add
to the domain configuration an attribute for this. It can be used
by QEMU and in principle also by ESXi, which has a property called
monitor_control.enable_softResetClearTSC as well.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Since its v5.0.0 release QEMU is capable of specifying number of
threads used to allocate memory. It defaults to 1, which may be
too low for humongous guests with gigantic pages.
In general, on QEMU cmd line level it is possible to use
different number of threads per each memory-backend-* object, in
practical terms it's not useful. Therefore, use <memoryBacking/>
to set guest wide value and let all memory devices 'inherit' it,
silently. IOW, don't introduce per device knob because that would
only complicate things for a little or no benefit.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The updateLock is a R/W lock held by anything which needs to read or
modify the rules associated with an NWFilter.
APIs for defining/undefining NW filters rules hold a write lock on
updateLock.
APIs for creating/deleting NW filter bindings hold a read lock on
updateLock, which prevents define/undefine taking place concurrently.
The problems arise when we attempt to creating two NW filter bindings in
parallel.
Thread 1 can acquire the mutex for filter A
Thread 2 can acquire the mutex for filter B
Consider if filters A and B both reference filters C and D, but in
different orders:
Filter A
-> filter C
-> filter D
Filter B
-> filter D
-> filter C
Thread 1 will try to acquire locks in order A, C, D while thread 1 will
try to acquire in order A, D, C. Deadlock can still occur.
Think we can sort the list of filters before acquiring locks on all of
them ? Nope, we allow arbitrary recursion:
Filter A
-> filter C
-> filter E
-> filter F
-> filter H
-> filter K
-> filter D
-> filter G
-> filter I
So we can't tell from looking at 'A' which filters we're going to
need to lock. We can only see the first level of filters references
and we need to lock those before we can see the second level of
filters, etc.
We could probably come up with some cleverness to address this but
it isn't worth the time investment. It is simpler to just keep the
process of creating NW filter bindings totally serialized.
Using two separate locks for this serialization though is pointless.
Every code path which gets a read(updateLock) will go on to hold
updateMutex. It is simpler to just hold write(updateLock) and
get rid of updateMutex. At that point we don't need updateLock
to be a R/W lock, it can be a plain mutex.
Thus this patch gets rid of the current updateLock and updateMutex
and introduces a new top level updateMutex.
This has a secondary benefit of introducing fairness into the
locking. With a POSIX R/W lock, you get writer starvation if
you have lots of readers. IOW, if we call virNWFilterBIndingCreate
and virNWFilterBindingDelete in a tight loop from a couple of
threads, we can prevent virNWFilterDefine from ever acquiring
a write lock.
Getting rid of the R/W lock gives us FIFO lock acquisition
preventing starvation of any API call servicing.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
schemas are used for more than just documentation,
virsh edit fails if schemas are not available.
Therefore, fix the no-docs build by moving schemas/
to the parsing code inside src/conf/.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The idea of the manual mode is to allow a synchronized snapshot in cases
when the storage is outsourced to an unmanaged storage provider which
requires cooperation with snapshotting.
The mode will instruct the hypervisor to pause along when the other
components are snapshotted and the 'manual' disk can be snapshotted
along. This increases latency of the snapshot but allows them in
otherwise impossible situations.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
While its name would suggest that virNWFilterObj is an actual
virObject it is not. It's a plain structure (with virMutex as its
first member). Therefore, when locking the struct
virObjectLockGuard() can' be used and virLockGuardLock() must be
used instead.
Spotted-by: Martin Kletzander <mkletzan@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This enables a later patch to simplify locking during initialization
and cleanup of virNWFilterDriverState.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
virHashTableForEach unhelpfully has payload/key args in
its callback reversed compared to g_hash_table_foreach.
When converting from one to the other the semantics
change but you don't get a compile error
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The current use of an array for nwfilter objects requires
the caller to iterate over all elements to find a filter,
and also requires locking each filter.
Switching to a pair of hash tables enables O(1) lookups
both by name and uuid, with no locking required.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The function will be reused in the nodedev drivers udev handling.
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
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>
The value will be used to override the hostname used for validation of
TLS certificates.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Refactor the code to use proper types for the memory and disk snapshot
location and fix the parsing code to be compatible with an unsigned
type.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Separate the steps of parsing the memory snapshot config from the
post-processing and validation code. The upcoming patch refactoring the
parsing will be simpler.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Assign directly into the definition. The cleanup code can deal with
that.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory cleanup, decrease scope of variables and remove the
'cleanup' label.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
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>
The string value associated to the enum is "no". Rename the enum
accordingly.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The snapshot location enum is also needed for the disk definition so if
we house it inside domain_conf we can use the proper type for it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use 'virStorageType' as type for the 'type' member and convert the code
to work properly.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Refactor the function to avoid the cleanup section used to just free
memory associated with the parsed object.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
For the various structs storing lists of objects, the access
to the hash tables is not lockless. The mutex on the object
owning the hash table must be held.
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This is to make it explicit that the template only applies to the NVRAM
store, not the main loader binary, even if the loader is writable.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
All callers currently guarantee flags passed to virDomainObjGetMessages
are either zero or contain at least one of the supported flags. But it
doesn't mean we should not check for the possibility an unknown flag was
the only one passed to virDomainObjGetMessages.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There are few places where a virPCIDeviceAddress typed variable
is allocated on the stack but it's not initialized. This can lead
to random values of its members which in turn can lead to a
random behaviour.
Generated with help of the following spatch:
@@
identifier I;
@@
- virPCIDeviceAddress I;
+ virPCIDeviceAddress I = { 0 };
And then fixing bhyveAssignDevicePCISlots() which does declare
the variable and then explicitly zero it by calling memset() only
to set a specific member afterwards.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
In one of my previous commits, I've changed an XPath in
virCPUDefParseXML() from "boolean(./counter...)" to
"./counter...)". Notice the dangling closing bracket? Well, I
didn't back then.
Fixes: 0fe2d8dd33
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
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>
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>
The @unique argument didn't exist even when the function was
introduced in a042275a39, and the @vm argument was not renamed
when the function was changed to take a virDomainDef* instead of
a virDomainObj* in 7ed6934f3b.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Introduce support for
<serial type='pty'>
<target type='isa-debug'>
<model type='isa-debugcon'/>
</target>
<address type='isa' iobase='0x402'/>
</console>
which is used as a way to receive debug messages from the
firmware on x86 platforms.
Note that the default port is hypervisor specific, with QEMU
currently using 0xe9 since that's the original Bochs debug port.
For use with SeaBIOS/OVMF, the iobase port needs to be explicitly
set to 0x402.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The serial port model cannot be allowed to change across migration
as it affects ABI.
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When virNodeDeviceObjListRemove() is called, the passed
virNodeDeviceObj is removed from internal list of node devices
and then unrefed and unlocked. While the former is warranted (the
object was refed at the beginning of the function) the unlock is
not. In fact, it's wrong from conceptual POV. We still want
threads working on the object tu mutually exclude each other.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
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>
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The idea behind virNWFilterBindingObjNew() is to create and
return an object of virNWFilterBindingObjClass class. The class
is virObjectLockable (and the corresponding
_virNWFilterBindingObj structure has virObjectLockable parent).
But for some reason plain virObjectNew() is called. This is wrong
because the mutex in the parent is left uninitialized.
Next, the returned object is not locked. This is wrong because in
some cases the returned object is added onto a list of bindings
and then passed to virNWFilterBindingObjEndAPI() which unlocks it
right away. This is potentially dangerous because we might just
have unlocked the object for another thread.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We document that <address type='unassigned'/> can be used only
for <hostdev/>-s. However, corresponding validation rule is
missing. Let's put the rule into hypervisor agnostic part of
validation process so that all drivers can benefit.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Currently, virDomainClockDef is formatted inside
virDomainDefFormatInternalSetRootName() which is already long
enough. Move the code into a new function
(virDomainClockDefFormat()) and make the code use
virXMLFormatElement() while at it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This function never returns an error, make it void then.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use virXMLFormatElement() to simplify virDomainTimerDefFormat().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The @mode member of the _virDomainTimerDef struct stores
values of the virDomainTimerModeType enum, or -1 for the
default value (when user provided no value in XML).
This is needlessly complicated. Introduce new value to the enum
which reflects the default state.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The @track member of the _virDomainTimerDef struct stores
values of the virDomainTimerTrackType enum, or -1 for the
default value (when user provided no value in XML).
This is needlessly complicated. Introduce new value to the enum
which reflects the default state.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The @tickpolicy member of the _virDomainTimerDef struct stores
values of the virDomainTimerTickpolicyType enum, or -1 for the
default value (when user provided no value in XML).
This is needlessly complicated. Introduce new value to the enum
which reflects the default state.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In the _virDomainTimerDef structure we have @present member which
is like virTristateBool, except it's an integer and has values
shifted by one. This is harder to read. Retype the member to
virTristateBool which we are familiar with.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This function never returns an error, make it void then. And
while at it, make the @src argument const to make it obvious it's
never changed inside the function.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The only caller of this function
(qemuProcessFindCharDevicePTYsMonitor()) doesn't pass NULL.
Remove corresponding check from virDomainChrSourceDefCopy().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The aim of virDomainChrSourceDefCopy() is to make a deep copy of
given virDomainChrSourceDef. However, some types were not copied
at all (VIR_DOMAIN_CHR_TYPE_SPICEVMC and
VIR_DOMAIN_CHR_TYPE_SPICEPORT) and some members weren't copied
either (@logfile, @logappend).
After this, there are still some members that are not copied
(seclabels and private data), but the sole caller
qemuProcessFindCharDevicePTYsMonitor() doesn't seem to care.
Therefore, just document this behavior so that future user is
aware.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There is some code that validates whether parsed @bus <input/>
makes sense (e.g. some hypervisors have their own type of bus).
But this code should not live in the parser, but validator
rather. That way, we can also validate that the value we compute
(if user didn't provide any) is valid.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
QEMU supports Hypervisor.framework since 2.12 as hvf accel.
Hypervisor.framework provides a lightweight interface to run a virtual
cpu on macOS without the need to install third-party kernel
extensions (KEXTs).
It's supported since macOS 10.10 on machines with Intel VT-x feature
set that includes Extended Page Tables (EPT) and Unrestricted Mode.
Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
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>
1. s/LifeCycle/Lifecycle/
2. s/virConnectDomainEventTrayChangeReason/virDomainEventTrayChangeReason/
Signed-off-by: Han Han <hhan@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
After previous cleanups, the virDomainHostdevDefParseXMLSubsys()
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>
After previous cleanups, the virNetworkPortDefParseXML() 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>
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>
After previous cleanups, the virDomainFSDefParseXML() 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>
After previous cleanups, the virDomainDefParseBootXML() 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>
After previous cleanups, the virCPUDefParseXML() 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>
There are couple of places where virTristateBoolTypeFromString()
is called. Well, the same result can be achieved by
virXMLPropTristateBool() and on fewer lines.
Note there are couple of places left untouched because those
don't care about error reporting and thus are shorter they way
they are now.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There are couple of places (all of them in XML parsing) where
virTristateSwitchTypeFromString() is called. Well, the same
result can be achieved by virXMLPropTristateSwitch() and on fewer
lines.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There's a typo in error message that's printed when parsing of
<plug type=''/> fails: "prt" is reported instead of "port".
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The direct SCSI pool doesn't expose the volumes in the host attempting
to match it using 'virStoragePoolObjSourceMatchTypeDEVICE' which in turn
uses 'virStoragePoolSourceFindDuplicateDevices' doesn't make sense.
Remove it from the source matching completely as we can open multiple
connections to the target.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Refactor the inner loop to automatically free temporary variables and
remove unreachable error paths.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Value of '0' is treated equivalently to when it's not provided by the
user. Reject an explicit '0' provided by the user as it would get
ignored.
In this rare case we can make the XML parser more strict, as libvirt
would never format the '<acpi/>' element if the index is '0' thus there
are no libvirt-generated XMLs we'd not load back, as of such this is
identical to rejecting it in the validation phase.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2037146
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
No kernels supported by upstream libvirt have the feature.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The qemuFirmwareOSInterfaceTypeFromOsDefFirmware method
was added to convert from virDomainOsDefFirmware to the
qemuFirmwareOSInterface enum.
It was later also used to convert from virDomainLoader
to qemuFirmwareOSInterface in:
commit 8e1804f9f6
Author: Michal Prívozník <mprivozn@redhat.com>
Date: Tue Dec 17 17:45:50 2019 +0100
qemu_firmware: Try to autofill for old style UEFI specification
This caused compile errors with clang due to passing a
mis-matched enum type. These were later silenced by
stripping the enum types:
commit 8fcee47807
Author: Michal Prívozník <mprivozn@redhat.com>
Date: Wed Jan 8 09:42:47 2020 +0100
qemu_firmware: Accept int in qemuFirmwareOSInterfaceTypeFromOsDefFirmware()
This is still rather confusing to humans reading the
code. It is clearer to just define a separate helper
method for the virDomainLoader type conversion.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
'virDomainSnapshotRedefinePrep' does everything needed for a redefine
when the snapshot exists but not when we are defining metadata for a new
snapshot. This gives us weird semantics.
Extract the code for replacing the definition of an existing snapshot
into a new helper 'virDomainSnapshotReplaceDef' and refactor all
callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Rather than callers second-guessing when the snapshot definition is
assigned turn it into a double pointer and clear it on success.
Fix callers to work with the new semantics.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
It is not expected that a function with 'Validate' in the name actually
modifies the validated object, even worse when it even modifies another
object and the ultimatively worst bit is that it doesn't undo the mess
if the validation fails midway.
Move the stealing of the domain definition from the definition of a
snapshot being redefined into the caller along with the call to
virDomainSnapshotAlignDisks.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We use this variable name to distinguish it from the domain definition.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function isn't used outside of src/conf/snapshot_conf.c as of
57d252c74
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Due to historical reasons we allow users to redefine an existing
snapshot without providing the domain definition which would correspond
to it. In such case we'd use the domain definition from the snapshot
that is being redefined.
To prevent callers from doing complex moving of the domain definition
object back and forth between the snapshot definitions we can add an
argument to virDomainSnapshotAlignDisks which will allow us to pass in
the alternate definition if the one from the snapshot is missing.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'require_match' set to true is only needed for internal snapshots taken
by hypervisors (qemu) which don't have a way to control which disks take
part in the snapshot (savevm).
To de-clutter callers we can change the argument to mean 'this code path
requires uniform snapshot for internal snapshots'.
Change the argument and fix the callers. For now all callers pass 'true'
but any new hypervisor or even usage in qemu is not going to share the
limitation.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use the appropriate type for the variable and fix all callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add description of arguments, reword the description for clarity, and
fix improper argument names mentioned in the existing description.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
External snapshot with memory is created without using the
VIR_DOMAIN_SNAPSHOT_CREATE_DISK_ONLY flag, but rather with properly
configuring the XML. When redefining the code should be checking the
same thing as by definition an external snapshot with memory is not a
disk-only snapshot.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Remove error handling from the call to 'virDomainMomentObjNew' as it
can't return NULL and replace 'virHashAddEntry' by 'g_hash_table_insert'
as we've already checked that snapshot with such name doesn't exist in
the hash table. This removes handling for two impossible errors.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
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>
These changes make the g_auto-ification in the next commit clearer.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Export 'virDomainMomentObjNew' and 'virDomainMomentObjFree' and define
the latter as autoptr cleanup function for 'virDomainMomentObj'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Format the function prototypes the same way as in the .c file.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
There are few places in virDomainDefFormatFeatures() which can
use virXMLFormatElement() or virXMLFormatElementEmpty() instead
of writing directly into the output buffer.
After this, there are still a lot of places left, but that is
much bigger task.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
The virDomainTPMDefFormat() function can't fail really. There's
no point in it returning an integer then. Make it return void and
fix both places which check for its retval.
And while at it, turn @def into a const pointer to make it
obvious the function does not modify passed struct.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The <tpm/> element formatting is handled in
virDomainTPMDefFormat() which uses the "old style" - appending
strings directly into the output buffer. With this, it's easy to
get conditions that tell when an element has ended wrong. In this
particular case, if both <encryption/> and <active_pcr_banks/>
are to be formatted the current code puts a stray '>' into the
output buffer, resulting in invalid XML.
Rewrite the function to use virXMLFormatElement() which is more
clever.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2016599#c15
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Changing <active_pcr_banks/> means changing the guest ABI and as
such must be prevented on both restoring from a file or
migration.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2035888
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
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>
Normally the SEV measurement only covers the firmware
loader contents. When doing a direct kernel boot, however,
with new enough OVMF it is possible to ask for the
measurement to cover the kernel, ramdisk and command line.
It can't be done automatically as that would break existing
guests using direct kernel boot with old firmware, so there
is a new XML setting allowing this behaviour to be toggled.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
'virDomainDiskInsert' orders the inserted disks by target. If the target
is not provided though it would try to parse it anyways. This lead to a
crash when parsing a definition where there are multiple disks and of
two disks sharing the bus at least one also misses the target.
Since we want to actually use the parser for stuff which doesn't
necessarily need the disk target, we make virDomainDiskInsert tolerant
of missing target instead. The definition will be rejected by the
validator regardless of the order the disks were inserted in.
Fixes: 61fd7174
Closes: https://gitlab.com/libvirt/libvirt/-/issues/257
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There are limits on the number of SEV/SEV-ES guests that can
be run on machines, which may be influenced by firmware
settings. This is important to expose to users.
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Currently, this attribute may either have a value of "custom", or be absent
(which defaults to "custom"), for backwards compatibility.
Signed-off-by: Tim Wiederhake <twiederh@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Dirty ring feature was introduced in qemu-6.1.0, this patch
add the corresponding feature named 'dirty-ring', which enable
dirty ring feature when starting VM.
To enable the feature, the following XML needs to be added to
the guest's domain description:
<features>
<kvm>
<dirty-ring state='on' size='xxx'>
</kvm>
</features>
If property "state=on", property "size" must be specified, which
should be power of 2 and range in [1024, 65526].
Signed-off-by: Hyman Huang(黄勇) <huangy81@chinatelecom.cn>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In future commits we will need to store not just an array of
VIR_TRISTATE_SWITCH_* but also an additional integer. Follow the
example of TCG and introduce a structure where both the array an
integer can live.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
It may come handy to be able to tweak TCG options, in this
specific case the size of translation block cache size (tb-size).
Since we can expect more knobs to tweak let's put them under
common element, like this:
<domain>
<features>
<tcg>
<tb-cache unit='MiB'>128</tb-cache>
</tcg>
</features>
</domain>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
The function can't fail at this point. Remove the return value.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic memory clearing for the temporary strings and bitmap and
remove the cleanup section. There are multiple temporary strings added
so that we don't reuse one.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Automatically free the 'ret' temporary bitmap and get rid of the cleanup
section.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use automatic freeing where possible and use g_clear_pointer instead of
manual NULL-ing.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Move the 'path' and 'type' variables down to the appropriate block and
use automatic freeing for them as well as the temporary virBitmap.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
After previous cleanups some labels became needless because they
contain just a return statement. There's no point in having such
labels.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Instead of calling virDomainDefFree() explicitly, we can annotate
variables with g_autoptr().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Instead of calling VIR_FREE() explicitly, we can annotate
variables with g_autofree.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use 'g_clear_pointer(&ptr, g_hash_table_unref)' instead.
In few instances it allows us to also remove explicit clearing of
pointers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
After the conversion to g_autofree, the cleanup label is no longer
needed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
The function is used also to compare virStorageSource which may not be
resolved to the image at that point in which case the 'path' is not yet
populated and the actual type is not yet set. This means that the
function fails to consider two identical volume-based disks as pointing
to the same thing.
Add a special case for both images being type=volume in which case we
compare only the pool/volume names.
Closes: https://gitlab.com/libvirt/libvirt/-/issues/240
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
In other places we use strspn to validate a character subset. Convert
the in-place loop and simplify the error message.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use the new STRLIM macro and unify it with the empty string check.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reduce the extent of custom logic and custom error messages by using
virXMLPropTristateBool.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This adds reporting of available TPM models and backends to the domain
capabilities schema
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
It is useful to be able to deeply check them for equality.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Upon successful return from virDomainObjListAdd() the
virDomainObj is the owner of secret definition. To make this
ownership transfer even more visible, lets pass the definition as
a double pointer and use g_steal_pointer().
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
