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Add object to /objects before calling user_creatable_complete()
handler, so that object might be able to call
object_get_canonical_path() in its completion handler.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Using error_is_set(errp) that way can sweep programming errors under
the carpet when we get called incorrectly with an error set.
encrypted_bdrv_it() does it, because there's no way to make
bdrv_iterate() break its loop. Actually safe, because qmp_cont()
clears the error before the loop. Clean it up anyway: replace
bdrv_iterate() by bdrv_next(), break the loop on error.
Replace both occurrences, for consistency.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Without this, ambiguous path is reported to the user as
"not found", which is confusing at least.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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No need to go through qemu_machine field. Use
MachineClass fields directly.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Currently it is very easy to crash QEMU by issuing an object-add command
using an abstract class or a class that doesn't support
TYPE_USER_CREATABLE as parameter.
Example: with the following QMP command:
(QEMU) object-add qom-type=cpu id=foo
QEMU aborts at:
ERROR:qom/object.c:335:object_initialize_with_type: assertion failed: (type->abstract == false)
This patch moves the check for TYPE_USER_CREATABLE before object_new(),
and adds a check to prevent the code from trying to instantiate abstract
classes.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Just hardcode them in the callers
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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In order to allow attaching machine options to a machine instance,
current_machine is converted into MachineState.
As a first step of deprecating QEMUMachine, some of the functions
were modified to return MachineClass.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Hani Benhabiles <hani@linux.com>
Reviewed-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Introduces USER_CREATABLE interface that must be implemented by
objects which are designed to created with -object CLI option or
object-add QMP command.
Interface provides an ability to do an optional second stage
initialization of the object created with -object/object-add
commands. By providing complete() callback, which is called
after the object properties were set.
It allows to:
* prevents misusing of -object/object-add by filtering out
objects that are not designed for it.
* generalize second stage backend initialization instead of
adding custom APIs to perform it
* early error detection of backend initialization at -object/
object-add time rather than through a proxy DEVICE object
that tries to use backend.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Add two commands that are the monitor counterparts of -object. The commands
have the same Visitor-based implementation, but use different kinds of
visitors so that the HMP command has a DWIM string-based syntax, while
the QMP variant accepts a stricter JSON-based properties dictionary.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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These two commands invoke the "unparent" method of Object.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Adds "cpu-add id=xxx" QMP command.
cpu-add's "id" argument is a CPU number in a range [0..max-cpus)
Example QMP command:
-> { "execute": "cpu-add", "arguments": { "id": 2 } }
<- { "return": {} }
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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The guest will be in this state when it is panicked.
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 0255f263ffdc2a3716f73e89098b96fd79a235b3.1366945969.git.hutao@cn.fujitsu.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Touching char/char.h basically causes the whole of QEMU to
be rebuilt. Avoid this, it is usually unnecessary.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Weak symbols were a nice idea, but they turned out not to be a good one.
Toolchain support is just too sparse, in particular llvm-gcc is totally
broken.
This patch uses a surprisingly low-tech approach: a static library.
Symbols in a static library are always overridden by symbols in an
object file. Furthermore, if you place each function in a separate
source file, object files for unused functions will not be taken in.
This means that each function can use all the dependencies that it needs
(especially QAPI stuff such as error_setg).
Thus, all stubs are placed in separate object files and put together in
a static library. The library then is linked to all programs.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Weakrefs only tell you if the symbol was defined elsewhere, so you
need a further check at runtime to pick the default definition
when needed.
This could be automated by the compiler, but it does not do it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This is simpler and more portable.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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* 'queue/qmp' of git://repo.or.cz/qemu/qmp-unstable:
migration: go to paused state after finishing incoming migration with -S
qmp: handle stop/cont in INMIGRATE state
hmp: fix info cpus for sparc targets
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Right now, stop followed by an incoming migration will let the
virtual machine start. cont before an incoming migration instead
will fail.
This is bad because the actual behavior is not predictable; it is
racy with respect to the start of the incoming migration. That's
because incoming migration is blocking, and thus will delay the
processing of stop/cont until the end of the migration.
In addition, there's nothing that really prevents the user from
typing the block device's passwords before incoming migration is
done, so returning the DeviceEncrypted error is also helpful in
the QMP case.
Both things can be fixed by just toggling the autostart variable when
stop/cont are called in INMIGRATE state.
Note that libvirt is currently working around the race by looping
if the MigrationExpected answer is returned. After this patch, the
command will return right away without ever raising an error.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Avoid the dance between csock and vs->lsock.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Also fixes a few issues while there:
1. The fd returned by monitor_get_fd() leaks in most error conditions
2. monitor_get_fd() return value is not checked. Best case we get
an error that is not correctly reported, worse case one of the
functions using the fd (with value of -1) will explode
3. A few error conditions aren't reported
4. We now "use up" @fdname always. Before, it was left alone for
invalid @protocol
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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mingw32 seems to want the declaration to also carry the weak attribute.
Strangely, gcc on Linux absolutely does not want the declaration to be marked
as weak. This may not be the right fix, but it seems to do the trick.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This command attempts to map to the behavior of -cpu ?. Unfortunately, the
output of this command differs wildly across targets.
To accommodate this, we use a weak symbol to implement a default version of the
command that fails with a QERR_NOT_SUPPORTED error code. Targets can then
override and implement this command if it makes sense for them.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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This can be used in conjunction with qom-list-types to determine the supported
set of devices and their parameters.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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QEMU enters in this state when the guest suspends to ram (S3).
This is important so that HMP users and QMP clients can know that
the guest is suspended. QMP also has an event for this, but events
are not reliable and are limited (ie. a client can connect to QEMU
after the event has been emitted).
Having a different state for S3 brings a new issue, though. Every
device that doesn't run when the VM is stopped but wants to run
when the VM is suspended has to check for RUN_STATE_SUSPENDED
explicitly. This is the case for the keyboard and mouse devices,
for example.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds the system_wakeup monitor command which will simply
wake up suspended guests.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Move the creation of QmpInputVisitor and QmpOutputVisitor from qmp.c
to qom/object.c, since it's the only practical way to access object
properties.
Keep this isolated such that it's easy to remove. At some point, we need
to remove all usage of QObject in the tree and replace it with GVariant.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This is mostly code movement although not entirely. This makes properties part
of the Object base class which means that we can now start using Object in a
meaningful way outside of qdev.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This adds a command that allows searching for types that implement a property.
This allows you to do things like search for all available PCIDevices. In the
future, we'll also have a standard interface for things with a BlockDriverState
property that a PCIDevice could implement.
This will enable search queries like, "any type that implements the BlockDevice
interface" which would allow management tools to present available block devices
without having to hard code device names. Since an object can implement
multiple interfaces, one device could act both as a BlockDevice and a
NetworkDevice.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Include the name of the encrypted file.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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New QMP command to change the VNC password.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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All files under GPLv2 will get GPLv2+ changes starting tomorrow.
event_notifier.c and exec-obsolete.h were only ever touched by Red Hat
employees and can be relicensed now.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This allows clients to read and write device model properties through QMP. QAPI
doesn't support Visitor types yet and these commands are special in that they
don't work with fixed types.
I've added a documentation stub to qapi-schema.json so we can keep consistency
there.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This can be used to list properties in the device model.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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There are three important remarks in relation to the non-qapi command:
1. This commit also fixes the behavior of the 'query-vnc' and 'info vnc'
commands to return an error when qemu is built without VNC support
(ie. --disable-vnc). The non-qapi command would return the OK
response in QMP and no response in HMP
2. The qapi version explicitly marks the fields 'host', 'family',
'service' and 'auth' as optional. Their are not documented as optional
in the non-qapi command doc, but they would not be returned if
vnc support is disabled. The qapi version maintains the same
semantics, but documents those fields correctly
3. The 'clients' field, which is a list, is marked as optional but is
always returned. If there are no clients connected an empty list
is returned. This is not the Right Way to this in the qapi but it's
how the non-qapi command used to work
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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