[Qemu-devel] Re: [PATCH v3] qemu, qmp: convert do_inject_nmi() to QObject, QError

[Luiz Capitulino <lcapitulino@redhat.com>]

On Wed, 15 Dec 2010 17:49:27 +0800
Lai Jiangshan <laijs@cn.fujitsu.com> wrote:

> 
> Convert do_inject_nmi() to QObject, QError, we need to use it(via libvirt).
> 
> changed from v1
> Add document.
> Add error handling when the cpu index is invalid.
> 
> changed from v2
> use QERR_INVALID_PARAMETER_VALUE as Markus suggest.
> 
> Signed-off-by:  Lai Jiangshan <laijs@cn.fujitsu.com>
> ---
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 23024ba..f86d9fe 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -724,7 +724,8 @@ ETEXI
>          .args_type  = "cpu_index:i",
>          .params     = "cpu",
>          .help       = "inject an NMI on the given CPU",
> -        .mhandler.cmd = do_inject_nmi,
> +        .user_print = monitor_user_noop,
> +        .mhandler.cmd_new = do_inject_nmi,
>      },
>  #endif
>  STEXI
> diff --git a/monitor.c b/monitor.c
> index ec31eac..3e33a96 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -2119,7 +2119,7 @@ static void do_wav_capture(Monitor *mon, const QDict *qdict)
>  #endif
>  
>  #if defined(TARGET_I386)
> -static void do_inject_nmi(Monitor *mon, const QDict *qdict)
> +static int do_inject_nmi(Monitor *mon, const QDict *qdict, QObject **ret_data)
>  {
>      CPUState *env;
>      int cpu_index = qdict_get_int(qdict, "cpu_index");
> @@ -2127,8 +2127,12 @@ static void do_inject_nmi(Monitor *mon, const QDict *qdict)
>      for (env = first_cpu; env != NULL; env = env->next_cpu)
>          if (env->cpu_index == cpu_index) {
>              cpu_interrupt(env, CPU_INTERRUPT_NMI);
> -            break;
> +            return 0;
>          }
> +
> +    qerror_report(QERR_INVALID_PARAMETER_VALUE, "cpu_index",
> +                  "a CPU number");
> +    return -1;
>  }
>  #endif
>  
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index e5f157f..fcb6bf2 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -429,6 +429,33 @@ Example:
>  
>  EQMP
>  
> +#if defined(TARGET_I386)
> +    {
> +        .name       = "inject_nmi",
> +        .args_type  = "cpu_index:i",
> +        .params     = "cpu",
> +        .help       = "inject an NMI on the given CPU",
> +        .user_print = monitor_user_noop,
> +        .mhandler.cmd_new = do_inject_nmi,
> +    },
> +#endif
> +SQMP
> +inject_nmi
> +----------
> +
> +Inject an NMI on the given CPU (x86 only).
> +
> +Arguments:
> +
> +- "cpu_index": the index of the CPU to be injected NMI (json-int)

Please, use cpu-index, that's what we're using for the human-monitor-command.

Avi, Anthony, can you please ACK this new command?

> +
> +Example:
> +
> +-> { "execute": "inject_nmi", "arguments": { "cpu_index": 0 } }
> +<- { "return": {} }
> +
> +EQMP
> +
>      {
>          .name       = "migrate",
>          .args_type  = "detach:-d,blk:-b,inc:-i,uri:s",
>