[PATCH 2/7] hmp: Add 'info sgx' command

[Yang Zhong]

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-target.h |  1 +
 target/i386/monitor.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-target.h b/include/monitor/hmp-target.h
index 60fc92722a..dc53add7ee 100644
--- a/include/monitor/hmp-target.h
+++ b/include/monitor/hmp-target.h
@@ -49,5 +49,6 @@ void hmp_info_tlb(Monitor *mon, const QDict *qdict);
 void hmp_mce(Monitor *mon, const QDict *qdict);
 void hmp_info_local_apic(Monitor *mon, const QDict *qdict);
 void hmp_info_io_apic(Monitor *mon, const QDict *qdict);
+void hmp_info_sgx(Monitor *mon, const QDict *qdict);
 
 #endif /* MONITOR_HMP_TARGET_H */
diff --git a/target/i386/monitor.c b/target/i386/monitor.c
index 942274c1c2..f1861fe6c2 100644
--- a/target/i386/monitor.c
+++ b/target/i386/monitor.c
@@ -769,3 +769,9 @@ SGXInfo *qmp_query_sgx(Error **errp)
     error_setg(errp, QERR_FEATURE_DISABLED, "query-sgx");
     return NULL;
 }
+
+void hmp_info_sgx(Monitor *mon, const QDict *qdict)
+{
+    error_setg(errp, QERR_FEATURE_DISABLED, "query-sgx");
+    return NULL;
+}