The command can be used to show the SGX information in the monitor
when SGX is enabled on intel platform.

Signed-off-by: Yang Zhong <yang.zhong@intel.com>
---
 hmp-commands-info.hx  | 15 +++++++++++++++
 include/monitor/hmp.h |  1 +
 monitor/hmp-cmds.c    |  6 ++++++
 3 files changed, 22 insertions(+)

diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
index 27206ac049..4c966e8a6b 100644
--- a/hmp-commands-info.hx
+++ b/hmp-commands-info.hx
@@ -877,3 +877,18 @@ SRST
   ``info dirty_rate``
     Display the vcpu dirty rate information.
 ERST
+
+#if defined(TARGET_I386)
+    {
+        .name       = "sgx",
+        .args_type  = "",
+        .params     = "",
+        .help       = "show intel SGX information",
+        .cmd        = hmp_info_sgx,
+    },
+#endif
+
+SRST
+  ``info sgx``
+    Show intel SGX information.
+ERST
diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h
index 3baa1058e2..eba5eda996 100644
--- a/include/monitor/hmp.h
+++ b/include/monitor/hmp.h
@@ -131,5 +131,6 @@ void hmp_replay_delete_break(Monitor *mon, const QDict *qdict);
 void hmp_replay_seek(Monitor *mon, const QDict *qdict);
 void hmp_info_dirty_rate(Monitor *mon, const QDict *qdict);
 void hmp_calc_dirty_rate(Monitor *mon, const QDict *qdict);
+void hmp_info_sgx(Monitor *mon, const QDict *qdict);
 
 #endif
diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
index 0942027208..9ebc86190f 100644
--- a/monitor/hmp-cmds.c
+++ b/monitor/hmp-cmds.c
@@ -2230,3 +2230,9 @@ void hmp_info_memory_size_summary(Monitor *mon, const QDict *qdict)
     }
     hmp_handle_error(mon, err);
 }
+
+void hmp_info_sgx(Monitor *mon, const QDict *qdict)
+{
+    error_setg(errp, QERR_FEATURE_DISABLED, "query-sgx");
+    return NULL;
+}