From 69ca3ea5e192251f27510554611bcff6f036a00b Mon Sep 17 00:00:00 2001 From: Igor Mammedov Date: Tue, 30 Apr 2013 15:41:25 +0200 Subject: [PATCH] QMP: Add cpu-add command MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Adds "cpu-add id=xxx" QMP command. cpu-add's "id" argument is a CPU number in a range [0..max-cpus) Example QMP command: -> { "execute": "cpu-add", "arguments": { "id": 2 } } <- { "return": {} } Signed-off-by: Igor Mammedov Acked-by: Luiz Capitulino Reviewed-by: Eric Blake Reviewed-by: Eduardo Habkost Signed-off-by: Andreas Färber --- qapi-schema.json | 13 +++++++++++++ qmp-commands.hx | 23 +++++++++++++++++++++++ qmp.c | 10 ++++++++++ 3 files changed, 46 insertions(+) diff --git a/qapi-schema.json b/qapi-schema.json index 65be8f4f37..7797400666 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -1390,6 +1390,19 @@ { 'command': 'cpu', 'data': {'index': 'int'} } ## +# @cpu-add +# +# Adds CPU with specified ID +# +# @id: ID of CPU to be created, valid values [0..max_cpus) +# +# Returns: Nothing on success +# +# Since 1.5 +## +{ 'command': 'cpu-add', 'data': {'id': 'int'} } + +## # @memsave: # # Save a portion of guest memory to a file. diff --git a/qmp-commands.hx b/qmp-commands.hx index 0e891323c7..ed99eb80e0 100644 --- a/qmp-commands.hx +++ b/qmp-commands.hx @@ -385,6 +385,29 @@ Note: CPUs' indexes are obtained with the 'query-cpus' command. EQMP { + .name = "cpu-add", + .args_type = "id:i", + .mhandler.cmd_new = qmp_marshal_input_cpu_add, + }, + +SQMP +cpu-add +------- + +Adds virtual cpu + +Arguments: + +- "id": cpu id (json-int) + +Example: + +-> { "execute": "cpu-add", "arguments": { "id": 2 } } +<- { "return": {} } + +EQMP + + { .name = "memsave", .args_type = "val:l,size:i,filename:s,cpu:i?", .mhandler.cmd_new = qmp_marshal_input_memsave, diff --git a/qmp.c b/qmp.c index 4676993805..4c149b33a4 100644 --- a/qmp.c +++ b/qmp.c @@ -24,6 +24,7 @@ #include "hw/qdev.h" #include "sysemu/blockdev.h" #include "qom/qom-qobject.h" +#include "hw/boards.h" NameInfo *qmp_query_name(Error **errp) { @@ -108,6 +109,15 @@ void qmp_cpu(int64_t index, Error **errp) /* Just do nothing */ } +void qmp_cpu_add(int64_t id, Error **errp) +{ + if (current_machine->hot_add_cpu) { + current_machine->hot_add_cpu(id, errp); + } else { + error_setg(errp, "Not supported"); + } +} + #ifndef CONFIG_VNC /* If VNC support is enabled, the "true" query-vnc command is defined in the VNC subsystem */ -- 2.11.0