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[Qemu-devel] [PATCH v7 26/26] qmp: add query-sev-launch-measure command
From: |
Brijesh Singh |
Subject: |
[Qemu-devel] [PATCH v7 26/26] qmp: add query-sev-launch-measure command |
Date: |
Wed, 7 Feb 2018 10:06:38 -0600 |
The command can be used by libvirt to retrieve the measurement of SEV guest.
This measurement is a signature of the memory contents that was encrypted
through the LAUNCH_UPDATE_DATA.
Cc: "Daniel P. Berrangé" <address@hidden>
Cc: "Dr. David Alan Gilbert" <address@hidden>
Cc: Markus Armbruster <address@hidden>
Signed-off-by: Brijesh Singh <address@hidden>
---
qapi-schema.json | 30 ++++++++++++++++++++++++++++++
qmp.c | 14 ++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/qapi-schema.json b/qapi-schema.json
index 447ebb15266e..19331bff8883 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3236,3 +3236,33 @@
#
##
{ 'command': 'query-sev', 'returns': 'SevInfo' }
+
+##
+# @SevLaunchMeasureInfo:
+#
+# SEV Guest Launch measurement information
+#
+# @data: the measurement value encoded in base64
+#
+# Since: 2.12
+#
+# Notes: If measurement is not available then a null measurement is returned.
+##
+{ 'struct': 'SevLaunchMeasureInfo', 'data': {'data': 'str'} }
+
+##
+# @query-sev-launch-measure:
+#
+# Query the SEV guest launch information.
+#
+# Returns: The @SevLaunchMeasureInfo for the guest
+#
+# Since: 2.12
+#
+# Example:
+#
+# -> { "execute": "query-sev-launch-measure" }
+# <- { "return": { "data": "4l8LXeNlSPUDlXPJG5966/8%YZ" } }
+#
+##
+{ 'command': 'query-sev-launch-measure', 'returns': 'SevLaunchMeasureInfo' }
diff --git a/qmp.c b/qmp.c
index 1a5cfad09dd0..5fb19b9d0db3 100644
--- a/qmp.c
+++ b/qmp.c
@@ -733,3 +733,17 @@ SevInfo *qmp_query_sev(Error **errp)
return info;
}
+
+SevLaunchMeasureInfo *qmp_query_sev_launch_measure(Error **errp)
+{
+ SevLaunchMeasureInfo *info = NULL;
+
+ if (sev_enabled()) {
+ info = g_malloc0(sizeof(*info));
+ info->data = sev_get_launch_measurement();
+ } else {
+ error_setg(errp, "SEV is not enabled");
+ }
+
+ return info;
+}
--
2.14.3
- [Qemu-devel] [PATCH v7 19/26] sev: Finalize the SEV guest launch flow, (continued)
- [Qemu-devel] [PATCH v7 19/26] sev: Finalize the SEV guest launch flow, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 22/26] target/i386: clear C-bit when walking SEV guest page table, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 16/26] sev: add command to encrypt guest memory region, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 15/26] sev: add command to create launch memory encryption context, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 18/26] sev: add support to LAUNCH_MEASURE command, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 20/26] hw: i386: set ram_debug_ops when memory encryption is enabled, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 12/26] kvm: introduce memory encryption APIs, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 21/26] sev: add debug encrypt and decrypt commands, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 23/26] include: add psp-sev.h header file, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 25/26] sev: add support to KVM_SEV_GUEST_STATUS, Brijesh Singh, 2018/02/07
- [Qemu-devel] [PATCH v7 26/26] qmp: add query-sev-launch-measure command,
Brijesh Singh <=