Patchwork [RFC,v4] qemu-monitor: HMP cpu-add wrapper

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Submitter Jason J. Herne
Date Dec. 11, 2013, 6:24 p.m.
Message ID <1386786254-5640-1-git-send-email-jjherne@us.ibm.com>
Download mbox | patch
Permalink /patch/300262/
State New
Headers show

Comments

Jason J. Herne - Dec. 11, 2013, 6:24 p.m.
From: "Jason J. Herne" <jjherne@us.ibm.com>

Add HMP cpu-add wrapper to allow cpu hot plugging via monitor.

Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>
---
 hmp-commands.hx | 13 +++++++++++++
 hmp.c           | 10 ++++++++++
 hmp.h           |  1 +
 3 files changed, 24 insertions(+)
Jason J. Herne - Dec. 11, 2013, 6:27 p.m.
On 12/11/2013 01:24 PM, Jason J. Herne wrote:

I forgot to modify the subject line to remove "[PATCH RFC v4]".  My 
apologies!
Igor Mammedov - Dec. 13, 2013, 6:36 p.m.
On Wed, 11 Dec 2013 13:24:14 -0500
"Jason J. Herne" <jjherne@us.ibm.com> wrote:

> From: "Jason J. Herne" <jjherne@us.ibm.com>
> 
> Add HMP cpu-add wrapper to allow cpu hot plugging via monitor.
> 
> Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>
> ---
>  hmp-commands.hx | 13 +++++++++++++
>  hmp.c           | 10 ++++++++++
>  hmp.h           |  1 +
>  3 files changed, 24 insertions(+)
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index caae5ad..028a8a1 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1620,6 +1620,19 @@ Executes a qemu-io command on the given block device.
>  ETEXI
>  
>      {
> +        .name       = "cpu-add",
> +        .args_type  = "id:i",
> +        .params     = "id",
> +        .help       = "add cpu",
> +        .mhandler.cmd  = hmp_cpu_add,
> +    },
> +
> +STEXI
> +@item cpu-add @var{id}
> +Add CPU with id @var{id}
> +ETEXI
> +
> +    {
>          .name       = "info",
>          .args_type  = "item:s?",
>          .params     = "[subcommand]",
> diff --git a/hmp.c b/hmp.c
> index 32ee285..c513f9b 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1525,6 +1525,16 @@ void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
>      hmp_handle_error(mon, &errp);
>  }
>  
> +void hmp_cpu_add(Monitor *mon, const QDict *qdict)
> +{
> +    int cpuid;
> +    Error *err = NULL;
> +
> +    cpuid = qdict_get_int(qdict, "id");
> +    qmp_cpu_add(cpuid, &err);
> +    hmp_handle_error(mon, &err);
> +}
> +
>  void hmp_chardev_add(Monitor *mon, const QDict *qdict)
>  {
>      const char *args = qdict_get_str(qdict, "args");
> diff --git a/hmp.h b/hmp.h
> index 54cf71f..f92fc89 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -89,5 +89,6 @@ void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict);
>  void hmp_chardev_add(Monitor *mon, const QDict *qdict);
>  void hmp_chardev_remove(Monitor *mon, const QDict *qdict);
>  void hmp_qemu_io(Monitor *mon, const QDict *qdict);
> +void hmp_cpu_add(Monitor *mon, const QDict *qdict);
>  
>  #endif
> -- 
> 1.8.3.2
> 
> 
Reviewed-By: Igor Mammedov <imammedo@redhat.com>
Luiz Capitulino - Dec. 16, 2013, 9:33 p.m.
On Wed, 11 Dec 2013 13:24:14 -0500
"Jason J. Herne" <jjherne@us.ibm.com> wrote:

> From: "Jason J. Herne" <jjherne@us.ibm.com>
> 
> Add HMP cpu-add wrapper to allow cpu hot plugging via monitor.
> 
> Signed-off-by: Jason J. Herne <jjherne@us.ibm.com>

Applied to the qmp branch, thanks.

> ---
>  hmp-commands.hx | 13 +++++++++++++
>  hmp.c           | 10 ++++++++++
>  hmp.h           |  1 +
>  3 files changed, 24 insertions(+)
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index caae5ad..028a8a1 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1620,6 +1620,19 @@ Executes a qemu-io command on the given block device.
>  ETEXI
>  
>      {
> +        .name       = "cpu-add",
> +        .args_type  = "id:i",
> +        .params     = "id",
> +        .help       = "add cpu",
> +        .mhandler.cmd  = hmp_cpu_add,
> +    },
> +
> +STEXI
> +@item cpu-add @var{id}
> +Add CPU with id @var{id}
> +ETEXI
> +
> +    {
>          .name       = "info",
>          .args_type  = "item:s?",
>          .params     = "[subcommand]",
> diff --git a/hmp.c b/hmp.c
> index 32ee285..c513f9b 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1525,6 +1525,16 @@ void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
>      hmp_handle_error(mon, &errp);
>  }
>  
> +void hmp_cpu_add(Monitor *mon, const QDict *qdict)
> +{
> +    int cpuid;
> +    Error *err = NULL;
> +
> +    cpuid = qdict_get_int(qdict, "id");
> +    qmp_cpu_add(cpuid, &err);
> +    hmp_handle_error(mon, &err);
> +}
> +
>  void hmp_chardev_add(Monitor *mon, const QDict *qdict)
>  {
>      const char *args = qdict_get_str(qdict, "args");
> diff --git a/hmp.h b/hmp.h
> index 54cf71f..f92fc89 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -89,5 +89,6 @@ void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict);
>  void hmp_chardev_add(Monitor *mon, const QDict *qdict);
>  void hmp_chardev_remove(Monitor *mon, const QDict *qdict);
>  void hmp_qemu_io(Monitor *mon, const QDict *qdict);
> +void hmp_cpu_add(Monitor *mon, const QDict *qdict);
>  
>  #endif

Patch

diff --git a/hmp-commands.hx b/hmp-commands.hx
index caae5ad..028a8a1 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1620,6 +1620,19 @@  Executes a qemu-io command on the given block device.
 ETEXI
 
     {
+        .name       = "cpu-add",
+        .args_type  = "id:i",
+        .params     = "id",
+        .help       = "add cpu",
+        .mhandler.cmd  = hmp_cpu_add,
+    },
+
+STEXI
+@item cpu-add @var{id}
+Add CPU with id @var{id}
+ETEXI
+
+    {
         .name       = "info",
         .args_type  = "item:s?",
         .params     = "[subcommand]",
diff --git a/hmp.c b/hmp.c
index 32ee285..c513f9b 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1525,6 +1525,16 @@  void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
     hmp_handle_error(mon, &errp);
 }
 
+void hmp_cpu_add(Monitor *mon, const QDict *qdict)
+{
+    int cpuid;
+    Error *err = NULL;
+
+    cpuid = qdict_get_int(qdict, "id");
+    qmp_cpu_add(cpuid, &err);
+    hmp_handle_error(mon, &err);
+}
+
 void hmp_chardev_add(Monitor *mon, const QDict *qdict)
 {
     const char *args = qdict_get_str(qdict, "args");
diff --git a/hmp.h b/hmp.h
index 54cf71f..f92fc89 100644
--- a/hmp.h
+++ b/hmp.h
@@ -89,5 +89,6 @@  void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict);
 void hmp_chardev_add(Monitor *mon, const QDict *qdict);
 void hmp_chardev_remove(Monitor *mon, const QDict *qdict);
 void hmp_qemu_io(Monitor *mon, const QDict *qdict);
+void hmp_cpu_add(Monitor *mon, const QDict *qdict);
 
 #endif