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2023-02-23hw/acpi: Move QMP command to hw/core/Markus Armbruster
The QERR_ macros are leftovers from the days of "rich" error objects. We've been trying to reduce their remaining use. qmp_query_vm_generation_id() in stubs/vmgenid.c is the last user of QERR_UNSUPPORTED outside qga/. Unlike the stubs we just dropped, it is actually reachable, namely when CONFIG_ACPI_VMGENID is off. It always fails like (qemu) info vm-generation-id Error: this feature or command is not currently supported Turns out the real qmp_query_vm_generation_id() doesn't actually depend on CONFIG_ACPI_VMGENID, and fails safely when it's off. Move it to hw/core/machine-qmp-cmds.c, and drop the stub. The error message becomes Error: VM Generation ID device not found Feels like an improvement to me. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20230207075115.1525-8-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Juan Quintela <quintela@redhat.com>
2020-09-29qapi: Restrict query-vm-generation-id command to machine codePhilippe Mathieu-Daudé
Only qemu-system-FOO and qemu-storage-daemon provide QMP monitors, therefore such declarations and definitions are irrelevant for user-mode emulation. Restricting the query-vm-generation-id command to machine.json pulls less QAPI-generated code into user-mode. Acked-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Message-Id: <20200913195348.1064154-5-philmd@redhat.com> [Commit message tweaked] Signed-off-by: Markus Armbruster <armbru@redhat.com>
2018-03-02qapi: Empty out qapi-schema.jsonMarkus Armbruster
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>
2018-02-09Include qapi/error.h exactly where neededMarkus Armbruster
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]
2017-03-02qmp/hmp: add query-vm-generation-id and 'info vm-generation-id' commandsIgor Mammedov
Add commands to query Virtual Machine Generation ID counter. QMP command example: { "execute": "query-vm-generation-id" } HMP command example: info vm-generation-id Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Ben Warren <ben@skyportsystems.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>