Re: [PATCH v2 2/2] qemu,qmp: convert do_inject_nmi() to QObject, QError

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Lai Jiangshan <laijs@xxxxxxxxxxxxxx> writes:

> 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.
>
> Signed-off-by:  Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
> ---
> 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..f375eb3 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 +2127,11 @@ 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_CPU_INDEX, cpu_index);
> +    return -1;

do_cpu_set() reports invalud index like this:

        qerror_report(QERR_INVALID_PARAMETER_VALUE, "index",
                      "a CPU number");

What about sticking to that?

[...]
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