From: Igor Mammedov <imammedo@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: "pingfank@linux.vnet.ibm.com" <pingfank@linux.vnet.ibm.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"gleb@redhat.com" <gleb@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 3/3] add cpu_set qmp command
Date: Thu, 19 Jan 2012 10:38:38 +0100 [thread overview]
Message-ID: <4F17E49E.8020303@redhat.com> (raw)
In-Reply-To: <4F158324.7050300@siemens.com>
On 01/17/2012 03:18 PM, Jan Kiszka wrote:
> On 2012-01-17 14:17, Igor Mammedov wrote:
>> Signed-off-by: Igor Mammedov<imammedo@redhat.com>
>> ---
>> qapi-schema.json | 9 +++++++++
>> qmp-commands.hx | 26 ++++++++++++++++++++++++++
>> qmp.c | 15 +++++++++++++++
>> 3 files changed, 50 insertions(+), 0 deletions(-)
>>
>> diff --git a/qapi-schema.json b/qapi-schema.json
>> index 44cf764..05cc582 100644
>> --- a/qapi-schema.json
>> +++ b/qapi-schema.json
>> @@ -903,6 +903,15 @@
>> { 'command': 'cpu', 'data': {'index': 'int'} }
>>
>> ##
>> +# @cpu_set
>> +#
>> +# Sets specified cpu to online/ofline mode
>> +#
>> +# Notes: semantics is : cpu_set x online|offline
>> +##
>> +{ 'command': 'cpu_set', 'data': {'cpu_index': 'int', 'status': 'str'} }
>> +
>> +##
>> # @memsave:
>> #
>> # Save a portion of guest memory to a file.
>> diff --git a/qmp-commands.hx b/qmp-commands.hx
>> index 7e3f4b9..ef1ac1e 100644
>> --- a/qmp-commands.hx
>> +++ b/qmp-commands.hx
>> @@ -348,6 +348,32 @@ Note: CPUs' indexes are obtained with the 'query-cpus' command.
>> EQMP
>>
>> {
>> + .name = "cpu_set",
>> + .args_type = "cpu_index:i,status:s",
>> + .mhandler.cmd_new = qmp_marshal_input_cpu_set,
>> + },
>> +
>> +SQMP
>> +cpu_set
>> +-------
>> +
>> +Sets virtual cpu to online/ofline state
>> +
>> +Arguments:
>> +
>> +- "cpu_index": virtual cpu index (json-int)
>> +- "status": desired state of cpu, online/offline (json-string)
>> +
>> +Example:
>> +
>> +-> { "execute": "cpu_set",
>> + "arguments": { "cpu_index": 2,
>> + "status": "online" } }
>> +<- { "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 c74dde6..e2b268d 100644
>> --- a/qmp.c
>> +++ b/qmp.c
>> @@ -101,6 +101,21 @@ void qmp_cpu(int64_t index, Error **errp)
>> /* Just do nothing */
>> }
>>
>> +void qmp_cpu_set(int64_t cpu_index, const char *status, Error **errp)
>> +{
>> + int state;
>> +
>> + if (!strcmp(status, "online")) {
>> + state = 1;
>> + } else if (!strcmp(status, "offline")) {
>> + state = 0;
>> + } else {
>> + error_set(errp, QERR_INVALID_PARAMETER, status);
>> + return;
>> + }
>> + qemu_system_cpu_hot_add(cpu_index, state);
>> +}
>> +
>> #ifndef CONFIG_VNC
>> /* If VNC support is enabled, the "true" query-vnc command is
>> defined in the VNC subsystem */
>
> This shouldn't go upstream. We rather need qdev'ified CPUs that can be
> added and removed as any other device.
>
Jan,
Thanks for review!
Then I'll drop this patch and re-post the other ones after fixing them.
> Jan
>
--
Thanks,
Igor
next prev parent reply other threads:[~2012-01-19 9:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-17 13:17 [Qemu-devel] [PATCH 0/3] Make vcpu hotplug work for qemu Igor Mammedov
2012-01-17 13:17 ` [Qemu-devel] [PATCH 1/3] Introduce a new bus "ICC" to connect APIC Igor Mammedov
2012-01-17 13:57 ` Jan Kiszka
2012-01-17 13:17 ` [Qemu-devel] [PATCH 2/3] VCPU hotplug support Igor Mammedov
2012-01-17 14:17 ` Jan Kiszka
2012-01-17 14:22 ` Jan Kiszka
2012-01-23 16:29 ` Igor Mammedov
2012-01-23 17:55 ` Jan Kiszka
2012-01-24 16:24 ` Igor Mammedov
2012-01-24 16:37 ` Jan Kiszka
2012-01-17 13:17 ` [Qemu-devel] [PATCH 3/3] add cpu_set qmp command Igor Mammedov
2012-01-17 14:18 ` Jan Kiszka
2012-01-19 9:38 ` Igor Mammedov [this message]
2012-01-19 10:24 ` Jan Kiszka
2012-01-19 11:04 ` Igor Mammedov
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