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* migration/postcopy: Add max-postcopy-bandwidth parameterDr. David Alan Gilbert2018-06-151-0/+7
| | | | | | | | | | | Limit the background transfer bandwidth during the postcopy phase to the value set on this new parameter. The default, 0, corresponds to the existing behaviour which is unlimited bandwidth. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20180613102642.23995-2-dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* migration/hmp: add migrate_pause commandPeter Xu2018-05-151-0/+9
| | | | | | | | | Wrapper for QMP command "migrate-pause". Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180502104740.12123-25-peterx@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* hmp/migration: add migrate_recover commandPeter Xu2018-05-151-0/+10
| | | | | | | | | Sister command to migrate-recover in QMP. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180502104740.12123-22-peterx@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* qmp: hmp: add migrate "resume" optionPeter Xu2018-05-151-1/+3
| | | | | | | | | | | It will be used when we want to resume one paused migration. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <20180502104740.12123-8-peterx@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> --- s/2.12/2.13/
* hmp: Allow using a qdev id in block_set_io_throttleAlberto Garcia2018-05-151-2/+12
| | | | | | | | | | | | | | | | The QMP version of this command can take a qdev ID since 7a9877a02635, but the HMP version is still using the deprecated block device name so there's no way to refer to a block device added like this: -blockdev node-name=disk0,driver=qcow2,file.driver=file,file.filename=hd.qcow2 -device virtio-blk-pci,id=virtio-blk-pci0,drive=disk0 This patch works around this problem by using the specified name as a qdev ID if the block device name is not found. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* migration: add postcopy total blocktime into query-migrateAlexey Perevalov2018-04-251-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Postcopy total blocktime is available on destination side only. But query-migrate was possible only for source. This patch adds ability to call query-migrate on destination. To be able to see postcopy blocktime, need to request postcopy-blocktime capability. The query-migrate command will show following sample result: {"return": "postcopy-vcpu-blocktime": [115, 100], "status": "completed", "postcopy-blocktime": 100 }} postcopy_vcpu_blocktime contains list, where the first item is the first vCPU in QEMU. This patch has a drawback, it combines states of incoming and outgoing migration. Ongoing migration state will overwrite incoming state. Looks like better to separate query-migrate for incoming and outgoing migration or add parameter to indicate type of migration. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com> Message-Id: <1521742647-25550-7-git-send-email-a.perevalov@samsung.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* hmp.c: Revert hmp_info_cpus output format changeSatheesh Rajendran2018-03-271-1/+1
| | | | | | | | | | | | | | | | | | Commit 137b5cb6 refactored 'info cpus' output, changing 'thread_id' to 'thread-id'. While HMP is not a stable interface, it is trivial to keep the spelling consistent for test frameworks that have not yet updated to using QMP. This patch just reverts back output format to 'thread_id'. CC: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com> Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Message-Id: <20180327123800.28851-1-sathnaga@linux.vnet.ibm.com> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> [eblake: improve commit message] Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
* Merge remote-tracking branch 'remotes/dgilbert/tags/pull-hmp-20180320' into ↵Peter Maydell2018-03-201-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | staging HMP fixes for 2.12 # gpg: Signature made Tue 20 Mar 2018 12:39:24 GMT # gpg: using RSA key 0516331EBC5BFDE7 # gpg: Good signature from "Dr. David Alan Gilbert (RH2) <dgilbert@redhat.com>" # Primary key fingerprint: 45F5 C71B 4A0C B7FB 977A 9FA9 0516 331E BC5B FDE7 * remotes/dgilbert/tags/pull-hmp-20180320: hmp: free sev info HMP: Initialize err before using Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * HMP: Initialize err before usingzhangjixiang2018-03-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | When bdrv_snapshot_delete return fail, the errp will not be assigned a valid value in error_propagate as errp didn't be initialized in hmp_delvm, then error_reportf_err will use an uninitialized value(call by hmp_delvm), and qemu crash. Signed-off-by: zhangjixiang <jixiang_zhang@h3c.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* | qmp: distinguish PC-DIMM and NVDIMM in MemoryDeviceInfoListHaozhong Zhang2018-03-201-3/+11
|/ | | | | | | | | | | | | | | | | | | | | It may need to treat PC-DIMM and NVDIMM differently, e.g., when deciding the necessity of non-volatile flag bit in SRAT memory affinity structures. A new field 'nvdimm' is added to the union type MemoryDeviceInfo for such purpose. Its type is currently PCDIMMDeviceInfo and will be updated when necessary in the future. It also fixes "info memory-devices"/query-memory-devices which currently show nvdimm devices as dimm devices since object_dynamic_cast(obj, TYPE_PC_DIMM) happily cast nvdimm to TYPE_PC_DIMM which it's been inherited from. Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* qapi: Add device ID and head parameters to screendumpThomas Huth2018-03-121-1/+3
| | | | | | | | | | | | | | | | QEMU's screendump command can only take dumps from the primary display. When using multiple VGA cards, there is no way to get a dump from a secondary card or other display heads yet. So let's add a 'device' and a 'head' parameter to the HMP and QMP commands to be able to specify alternative devices and heads with the screendump command, too. Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1520267868-31778-1-git-send-email-thuth@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* qapi: Move qapi-schema.json to qapi/, rename generated filesMarkus Armbruster2018-03-021-1/+1
| | | | | | | | | | | | | | | | | | | Move qapi-schema.json to qapi/, so it's next to its modules, and all files get generated to qapi/, not just the ones generated for modules. Consistently name the generated files qapi-MODULE.EXT: qmp-commands.[ch] become qapi-commands.[ch], qapi-event.[ch] become qapi-events.[ch], and qmp-introspect.[ch] become qapi-introspect.[ch]. This gets rid of the temporary hacks in scripts/qapi/commands.py, scripts/qapi/events.py, and scripts/qapi/common.py. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-28-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> [eblake: Fix trailing dot in tpm.c, undo temporary hack for OSX toolchain] Signed-off-by: Eric Blake <eblake@redhat.com>
* qapi: Empty out qapi-schema.jsonMarkus Armbruster2018-03-021-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous commit improved compile time by including less of the generated QAPI headers. This is impossible for stuff defined directly in qapi-schema.json, because that ends up in headers that that pull in everything. Move everything but include directives from qapi-schema.json to new sub-module qapi/misc.json, then include just the "misc" shard where possible. It's possible everywhere, except: * monitor.c needs qmp-command.h to get qmp_init_marshal() * monitor.c, ui/vnc.c and the generated qapi-event-FOO.c need qapi-event.h to get enum QAPIEvent Perhaps we'll get rid of those some other day. Adding a type to qapi/migration.json now recompiles some 120 instead of 2300 out of 5100 objects. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-25-armbru@redhat.com> [eblake: rebase to master] Signed-off-by: Eric Blake <eblake@redhat.com>
* Include less of the generated modular QAPI headersMarkus Armbruster2018-03-021-1/+1
| | | | | | | | | | | | | | | | | | | | | In my "build everything" tree, a change to the types in qapi-schema.json triggers a recompile of about 4800 out of 5100 objects. The previous commit split up qmp-commands.h, qmp-event.h, qmp-visit.h, qapi-types.h. Each of these headers still includes all its shards. Reduce compile time by including just the shards we actually need. To illustrate the benefits: adding a type to qapi/migration.json now recompiles some 2300 instead of 4800 objects. The next commit will improve it further. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180211093607.27351-24-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> [eblake: rebase to master] Signed-off-by: Eric Blake <eblake@redhat.com>
* hmp: change hmp_info_cpus to use query-cpus-fastViktor Mihajlovski2018-02-261-34/+7Star
| | | | | | | | | | | | | | | | | | | | | | | | Changing the implementation of hmp_info_cpus() to call qmp_query_cpus_fast() instead of qmp_query_cpus. This has the following consequences: o No further code change required for qmp_query_cpus deprecation o HMP profits from the less disruptive cpu information retrieval o HMP 'info cpus' won't display architecture specific data anymore, which should be tolerable in the light of the deprecation of query-cpus. In order to allow 'info cpus' to be executed completely on the fast path, monitor_get_cpu_index() has been adapted to not synchronize the cpu state. Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com> Message-Id: <1518797321-28356-6-git-send-email-mihajlov@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
* Include qapi/qmp/qdict.h exactly where neededMarkus Armbruster2018-02-091-0/+1
| | | | | | | | | | | | | This cleanup makes the number of objects depending on qapi/qmp/qdict.h drop from 4550 (out of 4743) to 368 in my "build everything" tree. For qapi/qmp/qobject.h, the number drops from 4552 to 390. While there, separate #include from file comment with a blank line. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-13-armbru@redhat.com>
* Include qapi/error.h exactly where neededMarkus Armbruster2018-02-091-0/+1
| | | | | | | | | | | | | | This cleanup makes the number of objects depending on qapi/error.h drop from 1910 (out of 4743) to 1612 in my "build everything" tree. While there, separate #include from file comment with a blank line, and drop a useless comment on why qemu/osdep.h is included first. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20180201111846.21846-5-armbru@redhat.com> [Semantic conflict with commit 34e304e975 resolved, OSX breakage fixed]
* hmp: Add nbd_server_remove to mirror QMP commandEric Blake2018-01-261-3/+11
| | | | | | | | | | | | | Since everything else about the nbd-server-* QMP commands is accessible from HMP, we might as well make removing an export available as well. For now, I went with a bool flag rather than a mode string for choosing between safe (default) and hard modes. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <20180125144557.25502-1-eblake@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com>
* hmp: Add name parameter to nbd_server_addEric Blake2018-01-261-1/+2
| | | | | | | | | Extend the flexibility of the previous QMP patch to also work in HMP. Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20180109192802.17167-1-eblake@redhat.com>
* qapi: add name parameter to nbd-server-addVladimir Sementsov-Ogievskiy2018-01-261-2/+3
| | | | | | | | | | | | Allow user to specify name for new export, to not reuse internal node name and to not show it to clients. This also allows creating several exports per device. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20180119135719.24745-2-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake <eblake@redhat.com>
* migration: Revert postcopy-blocktime commit setPeter Maydell2018-01-231-15/+0Star
| | | | | | | | | | | | | | | This reverts commits ca6011c migration: add postcopy total blocktime into query-migrate 5f32dc8 migration: add blocktime calculation into migration-test 2f7dae9 migration: postcopy_blocktime documentation 3be98be migration: calculate vCPU blocktime on dst side 01a87f0 migration: add postcopy blocktime ctx into MigrationIncomingState 31bf06a migration: introduce postcopy-blocktime capability as they don't build on ppc32 due to trying to do atomic accesses on types that are larger than the host pointer type. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* migration: add postcopy total blocktime into query-migrateAlexey Perevalov2018-01-151-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Postcopy total blocktime is available on destination side only. But query-migrate was possible only for source. This patch adds ability to call query-migrate on destination. To be able to see postcopy blocktime, need to request postcopy-blocktime capability. The query-migrate command will show following sample result: {"return": "postcopy-vcpu-blocktime": [115, 100], "status": "completed", "postcopy-blocktime": 100 }} postcopy_vcpu_blocktime contains list, where the first item is the first vCPU in QEMU. This patch has a drawback, it combines states of incoming and outgoing migration. Ongoing migration state will overwrite incoming state. Looks like better to separate query-migrate for incoming and outgoing migration or add parameter to indicate type of migration. Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* migration: Use proper types in jsonJuan Quintela2018-01-151-11/+11
| | | | | | | | | | We use int for everything (int64_t), and then we check that value is between 0 and 255. Change it to the valid types. This change only happens for HMP. QMP always use bytes and similar. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* block: Don't acquire AioContext in hmp_qemu_io()Kevin Wolf2017-12-221-6/+0Star
| | | | | | | | | | | | Commit 15afd94a047 added code to acquire and release the AioContext in qemuio_command(). This means that the lock is taken twice now in the call path from hmp_qemu_io(). This causes BDRV_POLL_WHILE() to hang for any requests issued to nodes in a non-mainloop AioContext. Dropping the first locking from hmp_qemu_io() fixes the problem. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
* hmp: Replace error_report_errZhiPeng Lu2017-10-301-18/+8Star
| | | | | | | | | | | Use hmp_handle_error instend of error_report_err to set error. Signed-off-by: ZhiPeng Lu <lu.zhipeng@zte.com.cn> Reviewed-by: Jiyun Fan <fan.jiyun@zte.com.cn> Message-Id: <1508411793-22868-1-git-send-email-lu.zhipeng@zte.com.cn> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* migration: Make xbzrle_cache_size a migration parameterJuan Quintela2017-10-291-0/+14
| | | | | | | | | | Right now it is a variable in MigrationState instead of a MigrationParameter. The change allows to set it as the rest of the Migration parameters, from the command line, with query_migration_paramters, set_migrate_parameters, etc. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* migrate: HMP migate_continueDr. David Alan Gilbert2017-10-231-0/+13
| | | | | | | | | | HMP equivalent to the just added migrate-continue Unpause a migrate paused at a given state. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
* tpm: Added support for TPM emulatorAmarnath Valluri2017-10-131-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change introduces a new TPM backend driver that can communicate with swtpm(software TPM emulator) using unix domain socket interface. QEMU talks to the TPM emulator using QEMU's socket-based chardev backend device. Swtpm uses two Unix sockets for communications, one for plain TPM commands and responses, and one for out-of-band control messages. QEMU passes the data socket to be used over the control channel. The swtpm and associated tools can be found here: https://github.com/stefanberger/swtpm The swtpm's control channel protocol specification can be found here: https://github.com/stefanberger/swtpm/wiki/Control-Channel-Specification Usage: # setup TPM state directory mkdir /tmp/mytpm chown -R tss:root /tmp/mytpm /usr/bin/swtpm_setup --tpm-state /tmp/mytpm --createek # Ask qemu to use TPM emulator with given tpm state directory qemu-system-x86_64 \ [...] \ -chardev socket,id=chrtpm,path=/tmp/swtpm-sock \ -tpmdev emulator,id=tpm0,chardev=chrtpm \ -device tpm-tis,tpmdev=tpm0 \ [...] Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
* hmp: Missing handle_errorsDr. David Alan Gilbert2017-10-051-0/+2
| | | | | | | | | | hmp_info_memdev && hmp_info_memory_devices were missing hmp_handle_error calls. Add them. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20170817104216.29150-2-dgilbert@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* migration: Create x-multifd-page-count parameterJuan Quintela2017-09-221-0/+7
| | | | | | | | | | | | | | | Indicates how many pages we are going to send in each batch to a multifd thread. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Be consistent with defaults and documentation Use new DEFINE_PROP_* Rename x-multifd-group to x-multifd-page-count
* migration: Create x-multifd-channels parameterJuan Quintela2017-09-221-0/+7
| | | | | | | | | | | | | | | | | Indicates the number of channels that we will create. By default we create 2 channels. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> -- Catch inconsistent defaults (eric). Improve comment stating that number of threads is the same than number of sockets Use new DEFIN_PROP_* Rename x-multifd-threads to x-multifd-threads
* hmp: introduce 'info memory_size_summary' commandVadim Galitsyn2017-09-141-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add 'info memory_size_summary' command which is a sibling of QMP command query-memory-size-summary. It provides the following memory information in bytes: * base-memory - size of "base" memory specified with command line option -m. * plugged-memory - amount of memory that was hot-plugged. If target does not have CONFIG_MEM_HOTPLUG enabled, no value is reported. Signed-off-by: Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com> Signed-off-by: Mohammed Gamal <mohammed.gamal@profitbricks.com> Signed-off-by: Eduardo Otubo <eduardo.otubo@profitbricks.com> Signed-off-by: Vadim Galitsyn <vadim.galitsyn@profitbricks.com> Reviewed-by: Eugene Crosser <evgenii.cherkashin@profitbricks.com> Cc: Dr. David Alan Gilbert <dgilbert@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Cc: Eric Blake <eblake@redhat.com> Cc: qemu-devel@nongnu.org Message-Id: <20170829153022.27004-4-vadim.galitsyn@profitbricks.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Fixed up comments from Igor's review
* qapi: Change data type of the FOO_lookup generated for enum FOOMarc-André Lureau2017-09-041-3/+3
| | | | | | | | | | | | | | | | | | | | Currently, a FOO_lookup is an array of strings terminated by a NULL sentinel. A future patch will generate enums with "holes". NULL-termination will cease to work then. To prepare for that, store the length in the FOO_lookup by wrapping it in a struct and adding a member for the length. The sentinel will be dropped next. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170822132255.23945-13-marcandre.lureau@redhat.com> [Basically redone] Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-16-git-send-email-armbru@redhat.com> [Rebased]
* qapi: Mechanically convert FOO_lookup[...] to FOO_str(...)Markus Armbruster2017-09-041-27/+27
| | | | | | Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-14-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
* qapi: Generate FOO_str() macro for QAPI enum FOOMarkus Armbruster2017-09-041-1/+0Star
| | | | | | | | | The next commit will put it to use. May look pointless now, but we're going to change the FOO_lookup's type, and then it'll help. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-13-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
* hmp: Use qapi_enum_parse() in hmp_migrate_set_parameter()Marc-André Lureau2017-09-041-71/+69Star
| | | | | | | | | | | | | | | | | | | | The error message on invalid parameter name changes from Invalid parameter "NAME" to invalid parameter value: NAME Slight degratation, perhaps. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170822132255.23945-10-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Rebased, assertion added, commit message rewritten] Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-7-git-send-email-armbru@redhat.com>
* hmp: Use qapi_enum_parse() in hmp_migrate_set_capability()Marc-André Lureau2017-09-041-13/+10Star
| | | | | | | | | | | | | | | | | | | | The error message on invalid capability name changes from Invalid parameter "NAME" to invalid parameter value: NAME No worse than before. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170822132255.23945-9-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Rebased, commit message rewritten] Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-6-git-send-email-armbru@redhat.com>
* qapi: Drop superfluous qapi_enum_parse() parameter maxMarkus Armbruster2017-09-041-1/+1
| | | | | | | | | | | The lookup tables have a sentinel, no need to make callers pass their size. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503564371-26090-3-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> [Rebased, commit message corrected]
* migration: Use JSON null instead of "" to reset parameter to defaultMarkus Armbruster2017-07-241-2/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | migrate-set-parameters sets migration parameters according to is arguments like this: * Present means "set the parameter to this value" * Absent means "leave the parameter unchanged" * Except for parameters tls_creds and tls_hostname, "" means "reset the parameter to its default value The first two are perfectly normal: presence of the parameter makes the command do something. The third one overloads the parameter with a second meaning. The overloading is *implicit*, i.e. it's not visible in the types. Works here, because "" is neither a valid TLS credentials ID, nor a valid host name. Pressing argument values the schema accepts, but are semantically invalid, into service to mean "reset to default" is not general, as suitable invalid values need not exist. I also find it ugly. To clean this up, we could add a separate flag argument to ask for "reset to default", or add a distinct value to @tls_creds and @tls_hostname. This commit implements the latter: add JSON null to the values of @tls_creds and @tls_hostname, deprecate "". Because we're so close to the 2.10 freeze, implement it in the stupidest way possible: have qmp_migrate_set_parameters() rewrite null to "" before anything else can see the null. The proper way to do it would be rewriting "" to null, but that requires fixing up code to work with null. Add TODO comments for that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* migration: Unshare MigrationParameters struct for nowMarkus Armbruster2017-07-241-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit de63ab6 "migrate: Share common MigrationParameters struct" reused MigrationParameters for the arguments of migrate-set-parameters, with the following rationale: It is rather verbose, and slightly error-prone, to repeat the same set of parameters for input (migrate-set-parameters) as for output (query-migrate-parameters), where the only difference is whether the members are optional. We can just document that the optional members will always be present on output, and then share a common struct between both commands. The next patch can then reduce the amount of code needed on input. I need to unshare them to correct a design flaw in a stupid, but minimally invasive way, in the next commit. We can restore the sharing when we redo that patch in a less stupid way. Add a suitable TODO comment. Note that I revert only the sharing part of commit de63ab6, not the part that made the members of query-migrate-parameters' result optional. The schema (and thus introspection) remains inaccurate for query-migrate-parameters. If we decide not to restore the sharing, we should revert that part, too. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* migration: Clean up around tls_creds, tls_hostnameMarkus Armbruster2017-07-241-2/+4
| | | | | | | | | | | | | | | | | | Optional MigrationParameters members tls_creds and tls_hostname can't actually be absent outside qmp_migrate_set_parameters() since commit 4af245d (v2.9.0). Note that commit 4af245d reverted the part of commit de63ab6 (v2.8.0) that made tls_creds and tls_hostname absent instead of "" in the value of query-migrate-parameters, even though commit de63ab6 called that a mistake. What a mess. Drop the redundant tests for presence, and update documentation. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
* hmp: Clean up and simplify hmp_migrate_set_parameter()Markus Armbruster2017-07-241-46/+32Star
| | | | | | | | | | | | | | | | | | | | | | | The bulk of hmp_migrate_set_parameter()'s code sets one member of MigrationParameters according to the command's arguments. It uses a string visitor for integer and boolean members, but not for string and size members. It calls visit_type_bool() right away, but delays visit_type_int() some. The delaying requires a flag variable and a bit of trickery: we set all integer members instead of just the one we want, and rely on the has_FOOs to mask the unwanted ones. Clean this up as follows. Don't delay calling visit_type_int(). Use the string visitor for strings, too. This involves extra allocations and cleanup, but doing them is simpler and cleaner than avoiding them. Sadly, using the string visitor for sizes isn't possible, because it defaults to Bytes rather than Mebibytes. Add a comment explaining that. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
* block: List anonymous device BBs in query-blockKevin Wolf2017-07-181-4/+4
| | | | | | | | | | | | | Instead of listing only monitor-owned BlockBackends in query-block, also add those anonymous BlockBackends that are owned by a qdev device and as such under the control of the user. This allows using query-block to inspect BlockBackends for the modern configuration syntax with -blockdev and -device. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
* block/qapi: Add qdev device name to query-blockKevin Wolf2017-07-181-0/+3
| | | | | | | | | | | With -blockdev/-device, users can indirectly create anonymous BlockBackends, while the state of such backends is still of interest. As a preparation for making such BBs visible in query-block, make sure that they can be identified even without a name by adding the ID/QOM path of their qdev device to BlockInfo. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
* Merge remote-tracking branch 'remotes/kraxel/tags/ui-20170717-pull-request' ↵Peter Maydell2017-07-171-31/+73
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | into staging ui: vnc and keymap updates for 2.10 # gpg: Signature made Mon 17 Jul 2017 10:38:11 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/ui-20170717-pull-request: keymaps: fr-ca: add missing keys hmp: Update info vnc vnc: Set default kbd delay to 10ms Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| * hmp: Update info vncDr. David Alan Gilbert2017-07-171-31/+73
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The QMP query-vnc interfaces have gained a lot more information that the HMP interfaces hasn't got yet. Update it. Note the output format has changed, but this is HMP so that's OK. In particular, this now includes client information for reverse connections: -vnc :0 (qemu) info vnc default: Server: 0.0.0.0:5900 (ipv4) Auth: none (Sub: none) (Now connect a client) (qemu) info vnc default: Server: 0.0.0.0:5900 (ipv4) Auth: none (Sub: none) Client: 127.0.0.1:51828 (ipv4) x509_dname: none sasl_username: none -vnc localhost:7000,reverse (qemu) info vnc default: Client: ::1:7000 (ipv6) x509_dname: none sasl_username: none Auth: none (Sub: none) -vnc :1,password,id=pass -vnc localhost:7000,reverse (qemu) info vnc default: Client: ::1:7000 (ipv6) x509_dname: none sasl_username: none Auth: none (Sub: none) rev: Server: 0.0.0.0:5901 (ipv4) Auth: vnc (Sub: none) Client: 127.0.0.1:53616 (ipv4) x509_dname: none sasl_username: none This was originally RH bz 1461682 Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 20170711154414.21111-1-dgilbert@redhat.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
* | hmp: add hmp analogue for qmp-chardev-changeAnton Nefedov2017-07-141-0/+34
| | | | | | | | | | | | | | | | | | Signed-off-by: Anton Nefedov <anton.nefedov@virtuozzo.com> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <1499342940-56739-11-git-send-email-anton.nefedov@virtuozzo.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* | block: rip out all traces of password promptingDaniel P. Berrange2017-07-111-31/+0Star
|/ | | | | | | | | | | | | 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>
* Add chardev-send-break monitor commandStefan Fritsch2017-06-291-0/+8
| | | | | | | | | | | | | | | Sending a break on a serial console can be useful for debugging the guest. But not all chardev backends support sending breaks (only telnet and mux do). The chardev-send-break command allows to send a break even if using other backends. Signed-off-by: Stefan Fritsch <sf@sfritsch.de> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20170611074817.13621-1-sf@sfritsch.de> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Use 'send a break' in all 3 pieces of text as suggested by eblake
* migration: hmp: dump globalsPeter Xu2017-06-281-0/+3
| | | | | | | | | | | | | Now we have some globals that can be configured for migration. Dump them in HMP info migration for better debugging. (we can also use this to monitor whether COMPAT fields are applied correctly on compatible machines) Reviewed-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1498536619-14548-11-git-send-email-peterx@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
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