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When you try to set a property that has no setter, the error message
blames "insufficient permission":
$ qemu-system-x86_64 -S -display none -nodefaults -monitor stdio
QEMU 7.1.50 monitor - type 'help' for more information
(qemu) qom-set /machine type q35
Error: Insufficient permission to perform this operation
This implies it could work with "sufficient permission". It can't.
Change the error message to:
Error: Property 'pc-i440fx-7.2-machine.type' is not writable
Do the same for getting a property that has no getter.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20221012153801.2604340-2-armbru@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
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Do not require the whole option machinery to handle keyval, as it is
used by QAPI alone, without the option API. And match the associated
unit name.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220420132624.2439741-24-marcandre.lureau@redhat.com>
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g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer,
for two reasons. One, it catches multiplication overflowing size_t.
Two, it returns T * rather than void *, which lets the compiler catch
more type errors.
This commit only touches allocations with size arguments of the form
sizeof(T).
Patch created mechanically with:
$ spatch --in-place --sp-file scripts/coccinelle/use-g_new-etc.cocci \
--macro-file scripts/cocci-macro-file.h FILES...
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20220315144156.1595462-4-armbru@redhat.com>
Reviewed-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
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virtio,pc,pci: features, cleanups, fixes
vhost-user enabled on non-linux systems
beginning of nvme sriov support
bigger tx queue for vdpa
virtio iommu bypass
FADT flag to detect legacy keyboards
Fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 07 Mar 2022 22:43:31 GMT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (47 commits)
hw/acpi/microvm: turn on 8042 bit in FADT boot architecture flags if present
tests/acpi: i386: update FACP table differences
hw/acpi: add indication for i8042 in IA-PC boot flags of the FADT table
tests/acpi: i386: allow FACP acpi table changes
docs: vhost-user: add subsection for non-Linux platforms
configure, meson: allow enabling vhost-user on all POSIX systems
vhost: use wfd on functions setting vring call fd
event_notifier: add event_notifier_get_wfd()
pci: drop COMPAT_PROP_PCP for 2.0 machine types
hw/smbios: Add table 4 parameter, "processor-id"
x86: cleanup unused compat_apic_id_mode
vhost-vsock: detach the virqueue element in case of error
pc: add option to disable PS/2 mouse/keyboard
acpi: pcihp: pcie: set power on cap on parent slot
pci: expose TYPE_XIO3130_DOWNSTREAM name
pci: show id info when pci BDF conflict
hw/misc/pvpanic: Use standard headers instead
headers: Add pvpanic.h
pci-bridge/xio3130_downstream: Fix error handling
pci-bridge/xio3130_upstream: Fix error handling
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
# Conflicts:
# docs/specs/index.rst
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Move the various memalign-related functions out of osdep.h and into
their own header, which we include only where they are used.
While we're doing this, add some brief documentation comments.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20220226180723.1706285-10-peter.maydell@linaro.org
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QOM reference counting is not designed with an infinite amount of
references in mind, trying to take a reference in a loop without
dropping a reference will overflow the integer.
It is generally a symptom of a reference leak (a missing deref, commonly
as part of error handling - such as one fixed here:
https://lore.kernel.org/r/20220228095058.27899-1-sgarzare%40redhat.com ).
All this can lead to either freeing the object too early (memory
corruption) or never freeing it (memory leak).
If we happen to dereference at just the right time (when it's wrapping
around to 0), we might eventually assert when dereferencing, but the
real problem is an extra object_ref so let's assert there to make such
issues cleaner and easier to debug.
Some micro-benchmarking shows using fetch and add this is essentially
free on x86.
Since multiple threads could be incrementing in parallel, we assert
around INT_MAX to make sure none of these approach the wrap around
point: this way we get a memory leak and not a memory corruption, the
former is generally easier to debug.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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More than 1k of TypeInfo instances are already marked as const. Mark the
remaining ones, too.
This commit was created with:
git grep -z -l 'static TypeInfo' -- '*.c' | \
xargs -0 sed -i 's/static TypeInfo/static const TypeInfo/'
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-id: 20220117145805.173070-2-shentey@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Recent commit 6952026120 "monitor: Tidy up find_device_state()"
assumed the function's argument is "the device's ID or QOM path" (as
documented for device_del). It's actually either an absolute QOM
path, or a QOM path relative to /machine/peripheral/. Such a relative
path is a device ID when it doesn't contain a slash. When it does,
the function now always fails. Broke iotest 200, which uses relative
path "vda/virtio-backend".
It fails because object_resolve_path_component() resolves just one
component, not a relative path.
The obvious function to resolve relative paths is
object_resolve_path(). It picks a parent automatically. Too much
magic, we want to specify the parent. Create new
object_resolve_path_at() for that, and use it in find_device_state().
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20211019085711.86377-1-armbru@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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ERRP_GUARD() makes debugging easier by making sure that &error_abort
still fails at the real origin of the error instead of
error_propagate().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20211008133442.141332-5-kwolf@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Alias targets have a different name than the alias property itself
(e.g. a machine's pflash0 might be an alias of a property named 'drive').
When the target's getter or setter invokes the visitor, it will use
a different name than what the caller expects, and the visitor will
not be able to find it (or will consume erroneously).
The solution is for alias getters and setters to wrap the incoming
visitor, and forward the sole field that the target is expecting while
renaming it appropriately.
This bug has been there forever, but it was exposed after -M parsing
switched from QemuOptions and StringInputVisitor to keyval and
QObjectInputVisitor. Before, the visitor ignored the name. Now, it
checks "drive" against what was passed on the command line and finds
that no such property exists.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/484
Reported-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Machines and accelerators are not user-creatable but they are going
to share similar command-line parsing machinery. Export functions
that will be used with -machine and -accel in softmmu/vl.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.
We still have several references to the old file, so let's fix them
with the following command:
sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt)
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210517151702.109066-2-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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'remotes/thuth-gitlab/tags/pull-request-2021-04-01' into staging
* Updates for the MAINTAINERS file
* Some small documentation updates
* Some small misc fixes
# gpg: Signature made Thu 01 Apr 2021 13:30:39 BST
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/thuth-gitlab/tags/pull-request-2021-04-01:
device-crash-test: Ignore errors about a bus not being available
docs: Fix typo in the default name of the qemu-system-x86_64 binary
docs: Remove obsolete paragraph about config-target.mak
util/compatfd.c: Fixed style issues
qom: Fix default values in help
MAINTAINERS: Mark SH-4 hardware emulation orphan
MAINTAINERS: Mark RX hardware emulation orphan
MAINTAINERS: add virtio-fs mailing list
MAINTAINERS: Drop the line with Xiang Zheng
MAINTAINERS: replace Huawei's email to personal one
MAINTAINERS: Drop the lines with Sarah Harris
MAINTAINERS: add/replace backups for some s390 areas
MAINTAINERS: Fix tests/migration maintainers
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Output of default values in device help is broken:
$ ./qemu-system-x86_64 -S -display none -monitor stdio
QEMU 5.2.50 monitor - type 'help' for more information
(qemu) device_add pvpanic,help
pvpanic options:
events=<uint8> - (default: (null))
ioport=<uint16> - (default: (null))
pvpanic[0]=<child<qemu:memory-region>>
The "(null)" is glibc printing a null pointer. Other systems crash
instead. Having a help request crash a running VM can really spoil
your day.
Root cause is a botched replacement of qstring_free() by
g_string_free(): to get the string back, we need to pass true to the
former, but false to the latter. Fix the argument.
Fixes: eab3a4678b07267c39e7290a6e9e7690b1d2a521
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210324084130.3986072-1-armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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This reverts commit 6d9abb6de9cc53a508823db0283061824f2f98a2.
The real code change had already been added by Kevin's commit da0a932bbf
("hmp: QAPIfy object_add") and commit 6d9abb6d just added a duplicated
include statement as a left-over of a rebase.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210328054758.2351461-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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staging
* fixes for i386 TCG paging
* fixes for Hyper-V enlightenments
* avoid uninitialized variable warning
# gpg: Signature made Fri 19 Mar 2021 14:38:12 GMT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini-gitlab/tags/for-upstream:
tests/qtest: cleanup the testcase for bug 1878642
hw/intc/i8259: Refactor pic_read_irq() to avoid uninitialized variable
i386: Make migration fail when Hyper-V reenlightenment was enabled but 'user_tsc_khz' is unset
i386: Fix 'hypercall_hypercall' typo
target/i386: svm: do not discard high 32 bits of EXITINFO1
target/i386: fail if toggling LA57 in 64-bit mode
target/i386: allow modifying TCG phys-addr-bits
qom: use qemu_printf to print help for user-creatable objects
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Since we have added help support for object_add, the help is
printed on stdout. Switch to qemu_printf so that it goes to
the monitor.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Emulators are currently using OptsVisitor (via user_creatable_add_opts)
to parse the -object command line option. This has one extra feature,
compared to keyval, which is automatic conversion of integers to lists
as well as support for lists as repeated options:
-object memory-backend-ram,id=pc.ram,size=1048576000,host-nodes=0,policy=bind
So we cannot replace OptsVisitor with keyval right now. Still, this
patch moves the user_creatable_add_opts logic to vl.c since it is
not needed anywhere else, and makes it go through user_creatable_add_qapi.
In order to minimize code changes, the predicate still takes a string.
This can be changed later to use the ObjectType QAPI enum directly.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210312173547.1283477-3-pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Support JSON for --object in all tools and in HMP object_add in the same
way as it is supported in qobject_input_visitor_new_str().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210312131921.421023-1-kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The system emulator has a more complicated way of handling command line
options in that it reorders options before it processes them. This means
that parsing object options and creating the object happen at two
different points. Split the parsing part into a separate function that
can be reused by the system emulator command line.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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This switches the HMP command object_add from a QemuOpts-based parser to
user_creatable_add_from_str() which uses a keyval parser and enforces
the QAPI schema.
Apart from being a cleanup, this makes non-scalar properties and help
accessible. In order for help to be printed to the monitor instead of
stdout, the printf() calls in the help functions are changed to
qemu_printf().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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This is a version of user_creatable_process_cmdline() with an Error
parameter that never calls exit() and is therefore usable in HMP.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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The implementation for --object can be shared between
qemu-storage-daemon and other binaries, so move it into a function in
qom/object_interfaces.c that is accessible from everywhere.
This also requires moving the implementation of qmp_object_add() into a
new user_creatable_add_qapi(), because qom/qom-qmp-cmds.c is not linked
for tools.
user_creatable_print_help_from_qdict() can become static now.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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This function is now unused and can be removed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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This code is going away anyway, but for a few more commits, we'll be in
a state where some binaries still use QemuOpts and others don't. If the
"object" QemuOptsList doesn't even exist, we don't have to remove (or
fail to remove, and therefore abort) a user creatable object from it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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This converts object-add from 'gen': false to the ObjectOptions QAPI
type. As an immediate benefit, clients can now use QAPI schema
introspection for user creatable QOM objects.
It is also the first step towards making the QAPI schema the only
external interface for the creation of user creatable objects. Once all
other places (HMP and command lines of the system emulator and all
tools) go through QAPI, too, some object implementations can be
simplified because some checks (e.g. that mandatory options are set) are
already performed by QAPI, and in another step, QOM boilerplate code
could be generated from the schema.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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The option has been deprecated in QEMU 5.0, remove it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Most code paths for creating a user creatable object go through
QemuOpts, which ensures that the provided 'id' option is actually a
valid identifier.
However, there are some code paths that don't go through QemuOpts:
qemu-storage-daemon --object (since commit 8db1efd3) and QMP object-add
(since it was first introduced in commit cff8b2c6). We need to have the
same validity check for those, too.
This adds the check and makes it print the same error message as
QemuOpts on failure.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210302171623.49709-1-kwolf@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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A simple typo (noticed by inspection).
Signed-off-by: Doug Evans <dje@google.com>
Message-Id: <000000000000530c7105bb191b33@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Doug Evans <dje@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Global properties have an @optional field, which allows to apply a given
property to a given type even if one of its subclasses doesn't support
it. This is especially used in the compat code when dealing with the
"disable-modern" and "disable-legacy" properties and the "virtio-pci"
type.
Allow object_register_sugar_prop() to set this field as well.
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <159738953558.377274.16617742952571083440.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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QOM reference counting bugs are often hard to detect, but there's
one kind of bug that's easier: if we are freeing an object but is
still attached to a parent, it means the reference count is wrong
(because the parent always hold a reference to their children).
Add an assertion to make sure we detect those cases.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20201215224133.3545901-3-ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit aafb21a0b9 "qobject: let object_property_get_str() use new API"
isn't much of a simplification. Not worth having
object_property_get_str() differ from the other
object_property_get_FOO(). Revert.
This reverts commit aafb21a0b9cea5fa0fe52e68111bb6bd13837a02.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-12-armbru@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
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qobject_to_json() and qobject_to_json_pretty() build a GString, then
covert it to QString. Just one of the callers actually needs a
QString: qemu_rbd_parse_filename(). A few others need a string they
can modify: qmp_send_response(), qga's send_response(), to_json_str(),
and qmp_fd_vsend_fds(). The remainder just need a string.
Change qobject_to_json() and qobject_to_json_pretty() to return the
GString.
qemu_rbd_parse_filename() now has to convert to QString. All others
save a QString temporary. to_json_str() actually becomes a bit
simpler, because GString provides more convenient modification
functions.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-6-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-4-armbru@redhat.com>
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Anywhere we create a list of just one item or by prepending items
(typically because order doesn't matter), we can use
QAPI_LIST_PREPEND(). But places where we must keep the list in order
by appending remain open-coded until later patches.
Note that as a side effect, this also performs a cleanup of two minor
issues in qga/commands-posix.c: the old code was performing
new = g_malloc0(sizeof(*ret));
which 1) is confusing because you have to verify whether 'new' and
'ret' are variables with the same type, and 2) would conflict with C++
compilation (not an actual problem for this file, but makes
copy-and-paste harder).
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20201113011340.463563-5-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
[Straightforward conflicts due to commit a8aa94b5f8 "qga: update
schema for guest-get-disks 'dependents' field" and commit a10b453a52
"target/mips: Move mips_cpu_add_definition() from helper.c to cpu.c"
resolved. Commit message tweaked.]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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staging
* Fix for NULL segments (Bin Meng)
* Support for 32768 CPUs on x86 without IOMMU (David)
* PDEP/PEXT fix and testcase (myself)
* Remove bios_name and ram_size globals (myself)
* qemu_init rationalization (myself)
* Update kernel-doc (myself + upstream patches)
* Propagate MemTxResult across DMA and PCI functions (Philippe)
* Remove master/slave when applicable (Philippe)
* WHPX support for in-kernel irqchip (Sunil)
# gpg: Signature made Thu 10 Dec 2020 17:21:50 GMT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini-gitlab/tags/for-upstream: (113 commits)
scripts: kernel-doc: remove unnecessary change wrt Linux
Revert "docs: temporarily disable the kernel-doc extension"
scripts: kernel-doc: use :c:union when needed
scripts: kernel-doc: split typedef complex regex
scripts: kernel-doc: fix typedef parsing
Revert "kernel-doc: Handle function typedefs that return pointers"
Revert "kernel-doc: Handle function typedefs without asterisks"
scripts: kernel-doc: try to use c:function if possible
scripts: kernel-doc: fix line number handling
scripts: kernel-doc: allow passing desired Sphinx C domain dialect
scripts: kernel-doc: don't mangle with parameter list
scripts: kernel-doc: fix typedef identification
scripts: kernel-doc: reimplement -nofunction argument
scripts: kernel-doc: fix troubles with line counts
scripts: kernel-doc: use a less pedantic markup for funcs on Sphinx 3.x
scripts: kernel-doc: make it more compatible with Sphinx 3.x
Revert "kernel-doc: Use c:struct for Sphinx 3.0 and later"
Revert "scripts/kerneldoc: For Sphinx 3 use c:macro for macros with arguments"
scripts: kernel-doc: add support for typedef enum
kernel-doc: add support for ____cacheline_aligned attribute
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Object property insertion code iterates over an integer to get an unused
index that can be used as an unique name for an object property. This loop
increments the integer value indefinitely. Although very unlikely, this can
still cause an integer overflow.
In this change, we fix the above code by checking against INT16_MAX and making
sure that the interger index does not overflow beyond that value. If no
available index is found, the code would cause an assertion failure. This
assertion failure is necessary because the callers of the function do not check
the return value for NULL.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200921093325.25617-1-ani@anisinha.ca>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Most property release functions in qom/object.c only free the opaque
value. Combine all of them into a single function.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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device-list-properties reports
Parameter 'typename' expects device
when @typename exists, but isn't a TYPE_DEVICE. Improve this to
Parameter 'typename' expects a non-abstract device type
qom-list-properties reports
Parameter 'typename' expects object
when @typename exists, but isn't a TYPE_OBJECT. Improve this to
Parameter 'typename' expects a QOM type
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201113082626.2725812-10-armbru@redhat.com>
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This adds a function that, given a QDict of non-help options, prints
help for user creatable objects.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201007164903.282198-4-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This creates separate helper functions for printing a list of user
creatable object types and for printing a list of properties of a given
type. This will allow using these parts without having a QemuOpts.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201007164903.282198-3-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Be consistent creating all the libraries in the main meson.build file.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20201006125602.2311423-10-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Instead of only displaying the property missing, also display
the object name. This help developer to quickly figure out the
mistake without opening a debugger.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200920155340.401482-1-f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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staging
Pull request
This includes the atomic_ -> qatomic_ rename that touches many files and is
prone to conflicts.
# gpg: Signature made Wed 23 Sep 2020 17:08:43 BST
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/block-pull-request:
qemu/atomic.h: rename atomic_ to qatomic_
tests: add test-fdmon-epoll
fdmon-poll: reset npfd when upgrading to fdmon-epoll
gitmodules: add qemu.org vbootrom submodule
gitmodules: switch to qemu.org meson mirror
gitmodules: switch to qemu.org qboot mirror
docs/system: clarify deprecation schedule
virtio-crypto: don't modify elem->in/out_sg
virtio-blk: undo destructive iov_discard_*() operations
util/iov: add iov_discard_undo()
virtio: add vhost-user-fs-ccw device
libvhost-user: handle endianness as mandated by the spec
MAINTAINERS: add Stefan Hajnoczi as block/nvme.c maintainer
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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clang's C11 atomic_fetch_*() functions only take a C11 atomic type
pointer argument. QEMU uses direct types (int, etc) and this causes a
compiler error when a QEMU code calls these functions in a source file
that also included <stdatomic.h> via a system header file:
$ CC=clang CXX=clang++ ./configure ... && make
../util/async.c:79:17: error: address argument to atomic operation must be a pointer to _Atomic type ('unsigned int *' invalid)
Avoid using atomic_*() names in QEMU's atomic.h since that namespace is
used by <stdatomic.h>. Prefix QEMU's APIs with 'q' so that atomic.h
and <stdatomic.h> can co-exist. I checked /usr/include on my machine and
searched GitHub for existing "qatomic_" users but there seem to be none.
This patch was generated using:
$ git grep -h -o '\<atomic\(64\)\?_[a-z0-9_]\+' include/qemu/atomic.h | \
sort -u >/tmp/changed_identifiers
$ for identifier in $(</tmp/changed_identifiers); do
sed -i "s%\<$identifier\>%q$identifier%g" \
$(git grep -I -l "\<$identifier\>")
done
I manually fixed line-wrap issues and misaligned rST tables.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200923105646.47864-1-stefanha@redhat.com>
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When debugging QEMU it is often useful to put a breakpoint on the
error_setg_internal method impl.
Unfortunately the object_property_add / object_class_property_add
methods call object_property_find / object_class_property_find methods
to check if a property exists already before adding the new property.
As a result there are a huge number of calls to error_setg_internal
on startup of most QEMU commands, making it very painful to set a
breakpoint on this method.
Most callers of object_find_property and object_class_find_property,
however, pass in a NULL for the Error parameter. This simplifies the
methods to remove the Error parameter entirely, and then adds some
new wrapper methods that are able to raise an Error when needed.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200914135617.1493072-1-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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It turns out that some hosts have a default malloc alignment less
than that required for vectors.
We assume that, with compiler annotation on CPUArchState, that we
can properly align the vector portion of the guest state. Fix the
alignment of the allocation by using qemu_memalloc when required.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200916004638.2444147-3-richard.henderson@linaro.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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object_property_get_enum() is the only object_property_FOO() that is
documented to return an undefined value on error. It does no such
thing, actually: it returns 0 on some errors, and -1 on others.
Needlessly complicated. Always return -1 on error, and adjust the
contract.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200917125540.597786-2-armbru@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Needed to allow virtio-gpu-pci initialize the
virtio-gpu-device child device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200914134224.29769-5-kraxel@redhat.com
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The object_ref/unref methods are intended for use with any subclass of
the base Object. Using "Object *" in the signature is not adding any
meaningful level of type safety, since callers simply use "OBJECT(ptr)"
and this expands to an unchecked cast "(Object *)".
By using "void *" we enable the object_unref() method to be used to
provide support for g_autoptr() with any subclass.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200723181410.3145233-2-berrange@redhat.com>
Message-Id: <20200831210740.126168-2-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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