109 lines
2.7 KiB
Diff
109 lines
2.7 KiB
Diff
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From 839e76e0c43407cff82395ee6d4e3eb94fd07fa3 Mon Sep 17 00:00:00 2001
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From: Brijesh Singh <brijesh.singh@amd.com>
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Date: Tue, 6 Feb 2018 19:08:09 -0600
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Subject: [PATCH] qmp: add query-sev command
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The QMP query command can used to retrieve the SEV information when
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memory encryption is enabled on AMD platform.
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Cc: "Daniel P. Berrangé" <berrange@redhat.com>
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Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Cc: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
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[BR: FATE#322124]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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qapi-schema.json | 47 +++++++++++++++++++++++++++++++++++++++++++++++
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qmp.c | 16 ++++++++++++++++
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2 files changed, 63 insertions(+)
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diff --git a/qapi-schema.json b/qapi-schema.json
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index 18457954a8..40c2de3026 100644
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--- a/qapi-schema.json
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+++ b/qapi-schema.json
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@@ -3200,3 +3200,50 @@
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# Since: 2.11
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##
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{ 'command': 'watchdog-set-action', 'data' : {'action': 'WatchdogAction'} }
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+
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+##
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+# @SevInfo:
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+#
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+# Information about SEV support
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+#
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+# @enabled: true if SEV is active
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+#
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+# @api_major: SEV API major version
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+#
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+# @api_minor: SEV API minor version
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+#
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+# @build_id: SEV FW build id
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+#
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+# @policy: SEV policy value
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+#
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+# @state: SEV guest state
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+#
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+# Since: 2.12
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+##
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+{ 'struct': 'SevInfo',
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+ 'data': { 'enabled': 'bool',
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+ 'api_major': 'uint8',
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+ 'api_minor' : 'uint8',
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+ 'build_id' : 'uint8',
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+ 'policy' : 'uint32',
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+ 'state' : 'str'
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+ }
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+}
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+
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+##
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+# @query-sev:
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+#
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+# Returns information about SEV
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+#
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+# Returns: @SevInfo
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+#
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+# Since: 2.12
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+#
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+# Example:
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+#
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+# -> { "execute": "query-sev" }
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+# <- { "return": { "enabled": true, "api-major" : 0, "api-minor" : 0,
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+# "build-id" : 0, "policy" : 0, "state" : "running" } }
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+#
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+##
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+{ 'command': 'query-sev', 'returns': 'SevInfo' }
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diff --git a/qmp.c b/qmp.c
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index e8c303116a..4cd01ea666 100644
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--- a/qmp.c
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+++ b/qmp.c
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@@ -37,6 +37,7 @@
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#include "qom/object_interfaces.h"
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#include "hw/mem/pc-dimm.h"
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#include "hw/acpi/acpi_dev_interface.h"
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+#include "sysemu/sev.h"
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NameInfo *qmp_query_name(Error **errp)
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{
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@@ -722,3 +723,18 @@ MemoryInfo *qmp_query_memory_size_summary(Error **errp)
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return mem_info;
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}
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+
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+SevInfo *qmp_query_sev(Error **errp)
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+{
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+ SevInfo *info = g_malloc0(sizeof(*info));
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+
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+ info->enabled = sev_enabled();
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+ if (info->enabled) {
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+ sev_get_fw_version(&info->api_major,
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+ &info->api_minor, &info->build_id);
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+ sev_get_policy(&info->policy);
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+ sev_get_current_state(&info->state);
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+ }
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+
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+ return info;
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+}
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