summaryrefslogtreecommitdiffstats
path: root/qmp.c
Commit message (Collapse)AuthorAgeFilesLines
* qmp: Include parent type on 'qom-list-types' outputEduardo Habkost2017-07-171-0/+5
| | | | | | | | | | | | | | | | Include name of parent type of each type on 'qom-list-types' output. Without this, there's no way to figure out the parents of a given type without making additional 'qom-list-types' queries. In addition to the test case for the new feature, update the abstract-interface test case to use the new field and avoid the "qom-list-types implements=object" trick. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170707122215.8819-4-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* qmp: Include 'abstract' field on 'qom-list-types' outputEduardo Habkost2017-07-171-0/+1
| | | | | | | | | | | | | | | | A client may be interested in getting the list of both abstract and non-abstract types. Instead of requiring them to make multiple queries with different filter arguments, just return an 'abstract' field in 'qom-list-types'. In addition to the new test code for validating this field, update the abstract-interfaces test case to query for all 'interface' subtypes (including abstract ones), and to look at the 'abstract' field directly. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <20170707122215.8819-3-ehabkost@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
* qmp: Use ObjectProperty.type if presentFam Zheng2017-07-141-1/+2
| | | | | | | | | The dynamic value is more informative in the case of link property, otherwise it is the same. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170714021509.23681-5-famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qdev: Introduce PropertyInfo.createFam Zheng2017-07-141-1/+1
| | | | | | | | | | | This allows property implementation to provide a specialized property creation method. Update conditions guarding property types accordingly. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <20170714021509.23681-3-famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* block: rip out all traces of password promptingDaniel P. Berrange2017-07-111-11/+1Star
| | | | | | | | | | | | | Now that qcow & qcow2 are wired up to get encryption keys via the QCryptoSecret object, nothing is relying on the interactive prompting for passwords. All the code related to password prompting can thus be ripped out. Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-id: 20170623162419.26068-17-berrange@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
* chardev: move headers to include/chardevMarc-André Lureau2017-06-021-1/+1
| | | | | | | | So they are all in one place. The following patch will move serial & parallel declarations to the respective headers. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* shutdown: Add source information to SHUTDOWN and RESETEric Blake2017-05-231-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Time to wire up all the call sites that request a shutdown or reset to use the enum added in the previous patch. It would have been less churn to keep the common case with no arguments as meaning guest-triggered, and only modified the host-triggered code paths, via a wrapper function, but then we'd still have to audit that I didn't miss any host-triggered spots; changing the signature forces us to double-check that I correctly categorized all callers. Since command line options can change whether a guest reset request causes an actual reset vs. a shutdown, it's easy to also add the information to reset requests. Signed-off-by: Eric Blake <eblake@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> [ppc parts] Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> [SPARC part] Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x parts] Message-Id: <20170515214114.15442-5-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* block: New BdrvChildRole.activate() for blk_resume_after_migration()Kevin Wolf2017-05-111-6/+0Star
| | | | | | | | | | | Instead of manually calling blk_resume_after_migration() in migration code after doing bdrv_invalidate_cache_all(), integrate the BlockBackend activation with cache invalidation into a single function. This is achieved with a new callback in BdrvChildRole that is called by bdrv_invalidate_cache_all(). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* migration: Unify block node activation error handlingKevin Wolf2017-05-111-9/+9
| | | | | | | | | | | | | | | Migration code activates all block driver nodes on the destination when the migration completes. It does so by calling bdrv_invalidate_cache_all() and blk_resume_after_migration(). There is one code path for precopy and one for postcopy migration, resulting in four function calls, which used to have three different failure modes. This patch unifies the behaviour so that failure to activate all block nodes is non-fatal, but the error message is logged and the VM isn't automatically started. 'cont' will retry activating the block nodes. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* qdev: remove cannot_destroy_with_object_finalize_yetLaurent Vivier2017-04-211-5/+0Star
| | | | | | | | | | | | As all users have been removed, we can remove cannot_destroy_with_object_finalize_yet field from the DeviceClass structure. Signed-off-by: Laurent Vivier <lvivier@redhat.com> Message-Id: <20170414083717.13641-5-lvivier@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* block: Ignore guest dev permissions during incoming migrationKevin Wolf2017-04-071-0/+6
| | | | | | | | | | | | | | | | | | | | | | Usually guest devices don't like other writers to the same image, so they use blk_set_perm() to prevent this from happening. In the migration phase before the VM is actually running, though, they don't have a problem with writes to the image. On the other hand, storage migration needs to be able to write to the image in this phase, so the restrictive blk_set_perm() call of qdev devices breaks it. This patch flags all BlockBackends with a qdev device as blk->disable_perm during incoming migration, which means that the requested permissions are stored in the BlockBackend, but not actually applied to its root node yet. Once migration has finished and the VM should be resumed, the permissions are applied. If they cannot be applied (e.g. because the NBD server used for block migration hasn't been shut down), resuming the VM fails. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Tested-by: Kashyap Chamarthy <kchamart@redhat.com>
* qapi: Drop unused non-strict qobject input visitorMarkus Armbruster2017-03-051-1/+1
| | | | | | | | | | The split between tests/test-qobject-input-visitor.c and tests/test-qobject-input-strict.c now makes less sense than ever. The next commit will take care of that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1488544368-30622-20-git-send-email-armbru@redhat.com>
* char: headers clean-upMarc-André Lureau2017-01-311-0/+1
| | | | | | | | | Those could probably be squashed with earlier patches, however I couldn't easily identify them, test them or check if there are still necessary on various platforms. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* char: rename CharDriverState ChardevMarc-André Lureau2017-01-271-1/+1
| | | | | | | | Pick a uniform chardev type name. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qmp: Fix argument name in error message of device-list-propertiesLin Ma2017-01-271-2/+2
| | | | | | | | | | | The argument is called "typename", not "name". [Thanks to Markus for correcting the commit message] Signed-off-by: Lin Ma <lma@suse.com> Message-Id: <20170125052703.23571-1-lma@suse.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* clean-up: removed duplicate #includesAnand J2016-10-281-1/+0Star
| | | | | | | | | | Some files contain multiple #includes of the same header file. Removed most of those unnecessary duplicate entries using scripts/clean-includes. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Anand J <anand.indukala@gmail.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
* qapi: rename QmpInputVisitor to QObjectInputVisitorDaniel P. Berrange2016-10-251-1/+1
| | | | | | | | | | | | | | | | | The QmpInputVisitor has no direct dependency on QMP. It is valid to use it anywhere that one has a QObject. Rename it to better reflect its functionality as a generic QObject to QAPI converter. The previous commit renamed the files, this one renames C identifiers. Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1475246744-29302-5-git-send-email-berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Straightforwardly rebased, split into file and identifier rename] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qapi: rename *qmp-*-visitor* to *qobject-*-visitor*Daniel P. Berrange2016-10-251-1/+1
| | | | | | | | | | | | | | | | | | The QMP visitors have no direct dependency on QMP. It is valid to use them anywhere that one has a QObject. Rename them to better reflect their functionality as a generic QObject to QAPI converter. This is the first of three parts: rename the files. The next two parts will rename C identifiers. The split is necessary to make git rename detection work. Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Split into file and identifier rename, two comments touched up] Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qmp: fix object-add assert() without propsMarc-André Lureau2016-10-061-2/+6
| | | | | | | | | | | | | | | | | | | | | Since commit ad739706bbadee49, user_creatable_add_type() expects to be given a qdict. However, if object-add is called without props, you reach the assert: "qemu/qom/object_interfaces.c:115: user_creatable_add_type: Assertion `qdict' failed.", because the qdict isn't created in this case (it's optional). Furthermore, qmp_input_visitor_new() is not meant to be called without a dict, and a further commit will assert in this situation. If none given, create an empty qdict in qmp to avoid the user_creatable_add_type() assert(qdict). Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20160922203927.28241-2-marcandre.lureau@redhat.com> Tested-by: Xiao Long Jiang <zxiaol@linux.vnet.ibm.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell2016-09-231-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Block layer patches # gpg: Signature made Fri 23 Sep 2016 12:59:46 BST # gpg: using RSA key 0x7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: (33 commits) block: Remove BB interface from blockdev-add/del qemu-iotests/141: Avoid blockdev-add with id block: Avoid printing NULL string in error messages qemu-iotests/139: Avoid blockdev-add with id qemu-iotests/124: Avoid blockdev-add with id qemu-iotests/118: Avoid blockdev-add with id qemu-iotests/117: Avoid blockdev-add with id qemu-iotests/087: Avoid blockdev-add with id qemu-iotests/081: Avoid blockdev-add with id qemu-iotests/071: Avoid blockdev-add with id qemu-iotests/067: Avoid blockdev-add with id qemu-iotests/041: Avoid blockdev-add with id qemu-iotests/118: Test media change with qdev name block: Accept device model name for block_set_io_throttle block: Accept device model name for blockdev-change-medium block: Accept device model name for eject block: Accept device model name for x-blockdev-remove-medium block: Accept device model name for x-blockdev-insert-medium block: Accept device model name for blockdev-open/close-tray qdev-monitor: Add blk_by_qdev_id() ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * block: Accept device model name for blockdev-change-mediumKevin Wolf2016-09-231-2/+2
| | | | | | | | | | | | | | | | | | In order to remove the need for BlockBackend names in the external API, we want to allow qdev device names in all device related commands. This converts blockdev-change-medium to accept a qdev device name. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* | vl: Switch qemu_uuid to QemuUUIDFam Zheng2016-09-231-8/+2Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Update all qemu_uuid users as well, especially get rid of the duplicated low level g_strdup_printf, sscanf and snprintf calls with QEMU UUID API. Since qemu_uuid_parse is quite tangled with qemu_uuid, its switching to QemuUUID is done here too to keep everything in sync and avoid code churn. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-10-git-send-email-famz@redhat.com>
* | util: Add UUID APIFam Zheng2016-09-231-0/+1
|/ | | | | | | | | | | | | | | | | | | | | | A number of different places across the code base use CONFIG_UUID. Some of them are soft dependency, some are not built if libuuid is not available, some come with dummy fallback, some throws runtime error. It is hard to maintain, and hard to reason for users. Since UUID is a simple standard with only a small number of operations, it is cleaner to have a central support in libqemuutil. This patch adds qemu_uuid_* functions that all uuid users in the code base can rely on. Except for qemu_uuid_generate which is new code, all other functions are just copy from existing fallbacks from other files. Note that qemu_uuid_parse is moved without updating the function signature to use QemuUUID, to keep this patch simple. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-2-git-send-email-famz@redhat.com>
* build-sys: define QEMU_VERSION_{MAJOR, MINOR, MICRO}Marc-André Lureau2016-09-191-13/+3Star
| | | | | | | | | | There are better chances to find what went wrong at build time than a later assert in qmp_query_version Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20160912091913.15831-2-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qmp: add QMP interface "query-cpu-model-baseline"David Hildenbrand2016-09-061-0/+7
| | | | | | | | | | | | | | | | Let's provide a standardized interface to baseline two CPU models, to create a third, compatible one. This is especially helpful when two CPU models are not identical, but a CPU model is required that is guaranteed to run under both configurations, where the original models run. "query-cpu-model-baseline" takes two CPU models and returns a third, compatible model. The result will always be a static CPU model. Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Message-Id: <20160905085244.99980-28-dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
* qmp: add QMP interface "query-cpu-model-comparison"David Hildenbrand2016-09-061-0/+7
| | | | | | | | | | | | | | | | | | | | | Let's provide a standardized interface to compare two CPU models. "query-cpu-model-compare" takes two models and returns how they compare in a specific configuration. The result will give guarantees about runnability. E.g. if a CPU model A is a subset of CPU model B, model A is guaranteed to run in configurations where model B runs, but not the other way around (might or might not run). Usually, CPU features or CPU generations are used to calculate the result. If a model is not guaranteed to run in a certain environment (e.g. incompatible), a compatible one can be created by "baselining" both models (follow up patch). Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Message-Id: <20160905085244.99980-27-dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
* qmp: add QMP interface "query-cpu-model-expansion"David Hildenbrand2016-09-061-0/+7
| | | | | | | | | | | | | | | | | | | Let's provide a standardized interface to expand CPU models. This interface can be used by tooling to get details about a specific CPU model in a certain configuration, e.g. about the "host" model. To take care of all architectures, two detail levels for an expansion are introduced. Certain architectures might not support all detail levels. While "full" will expand and indicate all relevant properties/features of a CPU model, "static" expands to a static base CPU model, that will never change between QEMU versions and therefore have the same features when used under different compatibility machines. Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Message-Id: <20160905085244.99980-26-dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
* qmp-input-visitor: Favor new visit_free() functionEric Blake2016-07-061-5/+4Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Now that we have a polymorphic visit_free(), we no longer need qmp_input_visitor_cleanup(); which in turn means we no longer need to return a subtype from qmp_input_visitor_new() nor a public upcast function. Generated code changes to qmp-marshal.c look like: |@@ -52,11 +52,10 @@ void qmp_marshal_add_fd(QDict *args, QOb | { | Error *err = NULL; | AddfdInfo *retval; |- QmpInputVisitor *qiv = qmp_input_visitor_new(QOBJECT(args), true); | Visitor *v; | q_obj_add_fd_arg arg = {0}; | |- v = qmp_input_get_visitor(qiv); |+ v = qmp_input_visitor_new(QOBJECT(args), true); | visit_start_struct(v, NULL, NULL, 0, &err); | if (err) { | goto out; Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1465490926-28625-8-git-send-email-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* Makefile: Derive "PKGVERSION" from "git describe" by defaultFam Zheng2016-06-071-0/+1
| | | | | | | | | | | | | | | | | | Currently, if not specified in "./configure", QEMU_PKGVERSION will be empty. Write a rule in Makefile to generate a value from "git describe" combined with a possible git tree cleanness suffix, and write into a new header. $ cat qemu-version.h #define QEMU_PKGVERSION "-v2.6.0-557-gd6550e9-dirty" Include the header in .c files where the macro is referenced. It's not necessary to include it in all files, otherwise each time the content of the file changes, all sources have to be recompiled. Signed-off-by: Fam Zheng <famz@redhat.com> Message-Id: <1464774261-648-3-git-send-email-famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* block: Fix bdrv_next() memory leakKevin Wolf2016-05-251-3/+2Star
| | | | | | | | | | | | | | The bdrv_next() users all leaked the BdrvNextIterator after completing the iteration. Simply changing bdrv_next() to free the iterator before returning NULL at the end of list doesn't work because some callers exit the loop before looking at all BDSes. This patch moves the BdrvNextIterator from the heap to the stack of the caller and switches to a bdrv_first()/bdrv_next() interface for initialising the iterator. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com>
* block: Avoid bs->blk in bdrv_next()Kevin Wolf2016-05-191-1/+4
| | | | | | | | | We need to introduce a separate BdrvNextIterator struct that can keep more state than just the current BDS in order to avoid using the bs->blk pointer. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
* qapi: Use strict QMP input visitor in more placesEric Blake2016-05-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following uses of a QMP input visitor should be strict (that is, excess keys in QDict input should be flagged if not converted to QAPI): - Testsuite code unrelated to explicitly testing non-strict mode (test-qmp-commands, test-visitor-serialization); since we want more code to be strict by default, having more tests of strict mode doesn't hurt - Code used for cloning QAPI objects (replay-input.c, qemu-sockets.c); we are reparsing a QObject just barely produced by the qmp output visitor and which therefore should not have any garbage, so while it is extra work to be strict, it validates that our clone is correct [note that a later patch series will simplify these two uses by creating an actual clone visitor that is much more efficient than a generate/reparse cycle] - qmp_object_add(), which calls into user_creatable_add_type(). Since command line parsing for '-object' uses the same user_creatable_add_type() through the OptsVisitor, and that is always strict, we want to ensure that any nested dictionaries would be treated the same in QMP and from the command line (I don't actually know if such nested dictionaries exist). Note that on this code change, strictness only matters for nested dictionaries (if even possible), since we already flag excess input at the top level during an earlier object_property_set() on an unknown key, whether from QemuOpts: $ ./x86_64-softmmu/qemu-system-x86_64 -nographic -nodefaults -qmp stdio -object secret,id=sec0,data=letmein,format=raw,foo=bar qemu-system-x86_64: -object secret,id=sec0,data=letmein,format=raw,foo=bar: Property '.foo' not found or from QMP: $ ./x86_64-softmmu/qemu-system-x86_64 -nographic -nodefaults -qmp stdio {"QMP": {"version": {"qemu": {"micro": 93, "minor": 5, "major": 2}, "package": ""}, "capabilities": []}} {"execute":"qmp_capabilities"} {"return": {}} {"execute":"object-add","arguments":{"qom-type":"secret","id":"sec0","props":{"format":"raw","data":"letmein","foo":"bar"}}} {"error": {"class": "GenericError", "desc": "Property '.foo' not found"}} The only remaining uses of non-strict input visits are: - QMP 'qom-set' (which eventually executes object_property_set_qobject()) - mark it as something to revisit in the future (I didn't want to spend any more time on this patch auditing if we have any QOM dictionary properties that might be impacted, and couldn't easily prove whether this code path is shared with anything else). - test-qmp-input-visitor: explicit tests of non-strict mode. If we later get rid of users that don't need strictness, then this test should be merged with test-qmp-input-strict Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1461879932-9020-7-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* qapi: Consolidate QMP input visitor creationEric Blake2016-05-121-1/+1
| | | | | | | | | | | | | | Rather than having two separate ways to create a QMP input visitor, where the safer approach has the more verbose name, it is better to consolidate things into a single function where the caller must explicitly choose whether to be strict or to ignore excess input. This patch is the strictly mechanical conversion; the next patch will then audit which uses can be made stricter. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1461879932-9020-6-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
* util: move declarations out of qemu-common.hVeronia Bahaa2016-03-221-1/+1
| | | | | | | | | | Move declarations out of qemu-common.h for functions declared in utils/ files: e.g. include/qemu/path.h for utils/path.c. Move inline functions out of qemu-common.h and into new files (e.g. include/qemu/bcd.h) Signed-off-by: Veronia Bahaa <veroniabahaa@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* dump-guest-memory: add dump_in_progress() helper functionPeter Xu2016-02-221-0/+14
| | | | | | | | | For now, it has no effect. It will be used in dump detach support. Signed-off-by: Peter Xu <peterx@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-Id: <1455772616-8668-5-git-send-email-peterx@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qom: add helpers for UserCreatable object typesDaniel P. Berrange2016-02-161-69/+7Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The QMP monitor code has two helper methods object_add and qmp_object_del that are called from several places in the code (QMP, HMP and main emulator startup). The HMP and main emulator startup code also share further logic that extracts the qom-type & id values from a qdict. We soon need to use this logic from qemu-img, qemu-io and qemu-nbd too, but don't want those to depend on the monitor, nor do we want to duplicate the code. To avoid this, move some code out of qmp.c and hmp.c adding new methods to qom/object_interfaces.c - user_creatable_add - takes a QDict holding a full object definition & instantiates it - user_creatable_add_type - takes an ID, type name, and QDict holding object properties & instantiates it - user_creatable_add_opts - takes a QemuOpts holding a full object definition & instantiates it - user_creatable_add_opts_foreach - variant on user_creatable_add_opts which can be directly used in conjunction with qemu_opts_foreach. - user_creatable_del - takes an ID and deletes the corresponding object The existing code is updated to use these new methods. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1455129674-17255-2-git-send-email-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* all: Clean up includesPeter Maydell2016-02-041-0/+1
| | | | | | | | | | Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1454089805-5470-16-git-send-email-peter.maydell@linaro.org
* block: Inactivate BDS when migration completesKevin Wolf2016-01-201-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So far, live migration with shared storage meant that the image is in a not-really-ready don't-touch-me state on the destination while the source is still actively using it, but after completing the migration, the image was fully opened on both sides. This is bad. This patch adds a block driver callback to inactivate images on the source before completing the migration. Inactivation means that it goes to a state as if it was just live migrated to the qemu instance on the source (i.e. BDRV_O_INACTIVE is set). You're then supposed to continue either on the source or on the destination, which takes ownership of the image. A typical migration looks like this now with respect to disk images: 1. Destination qemu is started, the image is opened with BDRV_O_INACTIVE. The image is fully opened on the source. 2. Migration is about to complete. The source flushes the image and inactivates it. Now both sides have the image opened with BDRV_O_INACTIVE and are expecting the other side to still modify it. 3. One side (the destination on success) continues and calls bdrv_invalidate_all() in order to take ownership of the image again. This removes BDRV_O_INACTIVE on the resuming side; the flag remains set on the other side. This ensures that the same image isn't written to by both instances (unless both are resumed, but then you get what you deserve). This is important because .bdrv_close for non-BDRV_O_INACTIVE images could write to the image file, which is definitely forbidden while another host is using the image. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
* qom: Change object property iterator API contractDaniel P. Berrange2016-01-181-8/+6Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently the ObjectProperty iterator API works as follows: ObjectPropertyIterator *iter; iter = object_property_iter_init(obj); while ((prop = object_property_iter_next(iter))) { ... } object_property_iter_free(iter); This has the benefit that the ObjectPropertyIterator struct can be opaque, but has the downside that callers need to explicitly call a free function. It is also not in keeping with iterator style used elsewhere in QEMU/GLib2. This patch changes the API to use stack allocation instead: ObjectPropertyIterator iter; object_property_iter_init(&iter, obj); while ((prop = object_property_iter_next(&iter))) { ... } Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [AF: Fused ObjectPropertyIterator struct with typedef] Signed-off-by: Andreas Färber <afaerber@suse.de>
* qmp: Convert QMP code to use object property iteratorsDaniel P. Berrange2015-11-181-2/+8
| | | | | | | | | | | Stop directly accessing the Object::properties field data structure and instead use the formal object property iterator APIs. This insulates the code from future data structure changes in the Object struct. Signed-off-by: Daniel P. Berrange <berrange@redhat.com> Tested-by: Pavel Fedin <p.fedin@samsung.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* blockdev: read-only-mode for blockdev-change-mediumMax Reitz2015-11-111-1/+2
| | | | | | | | | | | | | Add an option to qmp_blockdev_change_medium() which allows changing the read-only status of the block device whose medium is changed. Some drives do not have a inherently fixed read-only status; for instance, floppy disks can be set read-only or writable independently of the drive. Some users may find it useful to be able to therefore change the read-only status of a block device when changing the medium. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qmp: Introduce blockdev-change-mediumMax Reitz2015-11-111-1/+1
| | | | | | | | | | Introduce a new QMP command 'blockdev-change-medium' which is intended to replace the 'change' command for block devices. The existing function qmp_change_blockdev() is accordingly renamed to qmp_blockdev_change_medium(). Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* block: Move I/O status and error actions into BBMax Reitz2015-10-231-2/+4
| | | | | | | | | These options are only relevant for the user of a whole BDS tree (like a guest device or a block job) and should thus be moved into the BlockBackend. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* qdev: Protect device-list-properties against broken devicesMarkus Armbruster2015-10-091-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several devices don't survive object_unref(object_new(T)): they crash or hang during cleanup, or they leave dangling pointers behind. This breaks at least device-list-properties, because qmp_device_list_properties() needs to create a device to find its properties. Broken in commit f4eb32b "qmp: show QOM properties in device-list-properties", v2.1. Example reproducer: $ qemu-system-aarch64 -nodefaults -display none -machine none -S -qmp stdio {"QMP": {"version": {"qemu": {"micro": 50, "minor": 4, "major": 2}, "package": ""}, "capabilities": []}} { "execute": "qmp_capabilities" } {"return": {}} { "execute": "device-list-properties", "arguments": { "typename": "pxa2xx-pcmcia" } } qemu-system-aarch64: /home/armbru/work/qemu/memory.c:1307: memory_region_finalize: Assertion `((&mr->subregions)->tqh_first == ((void *)0))' failed. Aborted (core dumped) [Exit 134 (SIGABRT)] Unfortunately, I can't fix the problems in these devices right now. Instead, add DeviceClass member cannot_destroy_with_object_finalize_yet to mark them: * Hang during cleanup (didn't debug, so I can't say why): "realview_pci", "versatile_pci". * Dangling pointer in cpus: most CPUs, plus "allwinner-a10", "digic", "fsl,imx25", "fsl,imx31", "xlnx,zynqmp", because they create such CPUs * Assert kvm_enabled(): "host-x86_64-cpu", host-i386-cpu", "host-powerpc64-cpu", "host-embedded-powerpc-cpu", "host-powerpc-cpu" (the powerpc ones can't currently reach the assertion, because the CPUs are only registered when KVM is enabled, but the assertion is arguably in the wrong place all the same) Make qmp_device_list_properties() fail cleanly when the device is so marked. This improves device-list-properties from "crashes, hangs or leaves dangling pointers behind" to "fails". Not a complete fix, just a better-than-nothing work-around. In the above reproducer, device-list-properties now fails with "Can't list properties of device 'pxa2xx-pcmcia'". This also protects -device FOO,help, which uses the same machinery since commit ef52358 "qdev-monitor: include QOM properties in -device FOO, help output", v2.2. Example reproducer: $ qemu-system-aarch64 -machine none -device pxa2xx-pcmcia,help Before: qemu-system-aarch64: .../memory.c:1307: memory_region_finalize: Assertion `((&mr->subregions)->tqh_first == ((void *)0))' failed. After: Can't list properties of device 'pxa2xx-pcmcia' Cc: "Andreas Färber" <afaerber@suse.de> Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com> Cc: Alexander Graf <agraf@suse.de> Cc: Anthony Green <green@moxielogic.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Guan Xuetao <gxt@mprc.pku.edu.cn> Cc: Jia Liu <proljc@gmail.com> Cc: Leon Alrae <leon.alrae@imgtec.com> Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Walle <michael@walle.cc> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Richard Henderson <rth@twiddle.net> Cc: qemu-ppc@nongnu.org Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Message-Id: <1443689999-12182-10-git-send-email-armbru@redhat.com>
* qmp: Fix device-list-properties not to crash for abstract deviceMarkus Armbruster2015-10-091-0/+6
| | | | | | | | | | | Broken in commit f4eb32b "qmp: show QOM properties in device-list-properties", v2.1. Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Message-Id: <1443689999-12182-9-git-send-email-armbru@redhat.com>
* qom: Don't use 'gen': false for qom-get, qom-set, object-addMarkus Armbruster2015-09-211-14/+7Star
| | | | | | | | | | With the previous commit, the generated marshalers just work, and save us a bit of handwritten code. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-23-git-send-email-armbru@redhat.com>
* qapi: Rename qmp_marshal_input_FOO() to qmp_marshal_FOO()Markus Armbruster2015-09-211-3/+3
| | | | | | | | | These functions marshal both input and output. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-17-git-send-email-armbru@redhat.com>
* qmp: Add example usage of strto*l() qemu wrapperCarlos L. Torres2015-09-091-4/+10
| | | | | | Signed-off-by: Carlos L. Torres <carlos.torres@rackspace.com> Message-Id: <11ac63e95d88551f1c2c9b1216b15d3cb8ba4468.1437346779.git.carlos.torres@rackspace.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Include monitor/monitor.h exactly where neededMarkus Armbruster2015-06-221-0/+1
| | | | | | | | | In particular, don't include it into headers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
* Include qapi/qmp/qerror.h exactly where neededMarkus Armbruster2015-06-221-0/+1
| | | | | | | | | In particular, don't include it into headers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-22 14:47:55 +0100