[Qemu-devel] [RFC PATCH v4 09/20] hmp: display memory encryption support in 'info kvm'

[Brijesh Singh <brijesh.singh@amd.com>]

update 'info kvm' to display the memory encryption support.

(qemu) info kvm
kvm support: enabled
memory encryption: disabled

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
---
 hmp.c            |    2 ++
 qapi-schema.json |    5 ++++-
 qmp.c            |    1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/hmp.c b/hmp.c
index 261843f..0b8b315 100644
--- a/hmp.c
+++ b/hmp.c
@@ -83,6 +83,8 @@ void hmp_info_kvm(Monitor *mon, const QDict *qdict)
     monitor_printf(mon, "kvm support: ");
     if (info->present) {
         monitor_printf(mon, "%s\n", info->enabled ? "enabled" : "disabled");
+        monitor_printf(mon, "memory encryption: %s\n",
+                       info->mem_encryption ? "enabled" : "disabled");
     } else {
         monitor_printf(mon, "not compiled\n");
     }
diff --git a/qapi-schema.json b/qapi-schema.json
index 6febfa7..e1dc847 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -185,9 +185,12 @@
 #
 # @present: true if KVM acceleration is built into this executable
 #
+# @mem-encryption: true if Memory Encryption is active (since 2.8)
+#
 # Since: 0.14.0
 ##
-{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }
+{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool',
+            'mem-encryption' : 'bool'} }
 
 ##
 # @query-kvm:
diff --git a/qmp.c b/qmp.c
index fa82b59..7b61c43 100644
--- a/qmp.c
+++ b/qmp.c
@@ -69,6 +69,7 @@ KvmInfo *qmp_query_kvm(Error **errp)
 
     info->enabled = kvm_enabled();
     info->present = kvm_available();
+    info->mem_encryption = kvm_memcrypt_enabled();
 
     return info;
 }