[libvirt] [PATCH 5/7] qemu: Add support to get the MKTME info

[Larkins Carvalho]

---
 src/qemu/qemu_driver.c | 63 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 0a425b82e5..56bca8c2c4 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -22258,6 +22258,68 @@ qemuNodeGetSEVInfo(virConnectPtr conn,
 }
 
 
+static int
+qemuGetMKTMEInfoToParams(virQEMUCapsPtr qemuCaps,
+    virTypedParameterPtr *params,
+    int *nparams,
+    unsigned int flags)
+{
+    int maxpar = 0;
+    int n = 0;
+    virMKTMECapabilityPtr mktme = virQEMUCapsGetMKTMECapabilities(qemuCaps);
+    virTypedParameterPtr mktmeParams = NULL;
+
+    virCheckFlags(VIR_TYPED_PARAM_STRING_OKAY, -1);
+
+    if (virTypedParamsAddUInt(&mktmeParams, &n, &maxpar,
+        VIR_NODE_MKTME_KEYS_SUPPORTED, mktme->keys_supported) < 0)
+        goto cleanup;
+
+    VIR_STEAL_PTR(*params, mktmeParams);
+    *nparams = n;
+    return 0;
+
+ cleanup:
+    virTypedParamsFree(mktmeParams, n);
+    return -1;
+}
+
+
+static int
+qemuNodeGetMKTMEInfo(virConnectPtr conn,
+    virTypedParameterPtr *params,
+    int *nparams,
+    unsigned int flags)
+{
+    virQEMUDriverPtr driver = conn->privateData;
+    virQEMUCapsPtr qemucaps = NULL;
+    int ret = -1;
+
+    if (virNodeGetMktmeInfoEnsureACL(conn) < 0)
+        return ret;
+
+    qemucaps = virQEMUCapsCacheLookupByArch(driver->qemuCapsCache,
+        virArchFromHost());
+    if (!qemucaps)
+        goto cleanup;
+
+    if (!virQEMUCapsGet(qemucaps, QEMU_CAPS_MKTME_GUEST)) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+            _("QEMU does not support MKTME guest"));
+        goto cleanup;
+    }
+
+    if (qemuGetMKTMEInfoToParams(qemucaps, params, nparams, flags) < 0)
+        goto cleanup;
+
+    ret = 0;
+
+ cleanup:
+    virObjectUnref(qemucaps);
+    return ret;
+}
+
+
 static int
 qemuDomainGetSEVMeasurement(virQEMUDriverPtr driver,
                             virDomainObjPtr vm,
@@ -22552,6 +22614,7 @@ static virHypervisorDriver qemuHypervisorDriver = {
     .connectBaselineHypervisorCPU = qemuConnectBaselineHypervisorCPU, /* 4.4.0 */
     .nodeGetSEVInfo = qemuNodeGetSEVInfo, /* 4.5.0 */
     .domainGetLaunchSecurityInfo = qemuDomainGetLaunchSecurityInfo, /* 4.5.0 */
+    .nodeGetMKTMEInfo = qemuNodeGetMKTMEInfo, /* 5.3.0 */
 };
 
 
-- 
2.21.0.windows.1