[Qemu-devel] [PATCH] hmp: Add info machines

[zhanghailiang <zhang.zhanghailiang@huawei.com>]

This is the hmp counterpart of qmp query_machines

Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
---
 hmp-commands.hx |  2 ++
 hmp.c           | 22 ++++++++++++++++++++++
 hmp.h           |  1 +
 monitor.c       |  7 +++++++
 4 files changed, 32 insertions(+)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index d0943b1..1d04235 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1780,6 +1780,8 @@ show qdev device model list
 show roms
 @item info tpm
 show the TPM device
+@item info machines
+show supported machines information
 @end table
 ETEXI
 
diff --git a/hmp.c b/hmp.c
index 4d1838e..603f2f5 100644
--- a/hmp.c
+++ b/hmp.c
@@ -725,6 +725,28 @@ void hmp_info_tpm(Monitor *mon, const QDict *qdict)
     qapi_free_TPMInfoList(info_list);
 }
 
+void hmp_info_machines(Monitor *mon, const QDict *qdict)
+{
+    MachineInfoList *mach_list = NULL, *cur_item = NULL;
+
+    mach_list = qmp_query_machines(NULL);
+    for (cur_item = mach_list; cur_item; cur_item = cur_item->next) {
+        MachineInfo *machine;
+        char default_chr = ' ';
+
+        machine = cur_item->value;
+        if (machine->is_default) {
+            default_chr = '*';
+        }
+        monitor_printf(mon, "%c %s:\n", default_chr, machine->name);
+        monitor_printf(mon, "    max_cpus: %" PRId64 "\n", machine->cpu_max);
+        if (machine->has_alias) {
+            monitor_printf(mon, "    alias: %s\n", machine->alias);
+        }
+    }
+    qapi_free_MachineInfoList(mach_list);
+}
+
 void hmp_quit(Monitor *mon, const QDict *qdict)
 {
     monitor_suspend(mon);
diff --git a/hmp.h b/hmp.h
index 4fd3c4a..374e841 100644
--- a/hmp.h
+++ b/hmp.h
@@ -38,6 +38,7 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict);
 void hmp_info_pci(Monitor *mon, const QDict *qdict);
 void hmp_info_block_jobs(Monitor *mon, const QDict *qdict);
 void hmp_info_tpm(Monitor *mon, const QDict *qdict);
+void hmp_info_machines(Monitor *mon, const QDict *qdict);
 void hmp_quit(Monitor *mon, const QDict *qdict);
 void hmp_stop(Monitor *mon, const QDict *qdict);
 void hmp_system_reset(Monitor *mon, const QDict *qdict);
diff --git a/monitor.c b/monitor.c
index 34cee74..adc3645 100644
--- a/monitor.c
+++ b/monitor.c
@@ -2921,6 +2921,13 @@ static mon_cmd_t info_cmds[] = {
         .mhandler.cmd = hmp_info_memdev,
     },
     {
+        .name       = "machines",
+        .args_type  = "",
+        .params     = "",
+        .help       = "show supported machines information",
+        .mhandler.cmd = hmp_info_machines,
+    },
+    {
         .name       = NULL,
     },
 };
-- 
1.7.12.4