[PATCH v9 1/5] Get SGX Capabilities from QEMU

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The Qemu QMP provide the command "query-sgx-capabilities"
libvirt call the command to get sgx capabilities

{"execute":"query-sgx-capabilities"}
{"return":
  {"sgx": true, "sgx1": true, "sgx2": false, "section-size": 0, \
   "flc": false}}

Signed-off-by: Haibin Huang <haibin.huang@xxxxxxxxx>
---
 src/conf/domain_capabilities.c                |  10 ++
 src/conf/domain_capabilities.h                |  13 ++
 src/libvirt_private.syms                      |   1 +
 src/qemu/qemu_capabilities.c                  | 143 +++++++++++++++++-
 src/qemu/qemu_capabilities.h                  |   4 +
 src/qemu/qemu_monitor.c                       |  10 ++
 src/qemu/qemu_monitor.h                       |   3 +
 src/qemu/qemu_monitor_json.c                  |  83 ++++++++++
 src/qemu/qemu_monitor_json.h                  |   3 +
 .../caps_6.2.0.x86_64.replies                 |  22 ++-
 .../caps_6.2.0.x86_64.xml                     |   5 +
 11 files changed, 292 insertions(+), 5 deletions(-)

diff --git a/src/conf/domain_capabilities.c b/src/conf/domain_capabilities.c
index 22f0963326..d39be55f6a 100644
--- a/src/conf/domain_capabilities.c
+++ b/src/conf/domain_capabilities.c
@@ -78,6 +78,16 @@ virSEVCapabilitiesFree(virSEVCapability *cap)
 }
 
 
+void
+virSGXCapabilitiesFree(virSGXCapability *cap)
+{
+    if (!cap)
+        return;
+
+    VIR_FREE(cap);
+}
+
+
 static void
 virDomainCapsDispose(void *obj)
 {
diff --git a/src/conf/domain_capabilities.h b/src/conf/domain_capabilities.h
index d44acdcd01..b647ff8107 100644
--- a/src/conf/domain_capabilities.h
+++ b/src/conf/domain_capabilities.h
@@ -172,6 +172,13 @@ struct _virDomainCapsCPU {
     virDomainCapsCPUModels *custom;
 };
 
+typedef struct _virSGXCapability virSGXCapability;
+typedef virSGXCapability *virSGXCapabilityPtr;
+struct _virSGXCapability {
+    bool flc;
+    unsigned int epc_size;
+};
+
 typedef struct _virSEVCapability virSEVCapability;
 struct _virSEVCapability {
     char *pdh;
@@ -215,6 +222,7 @@ struct _virDomainCaps {
 
     virDomainCapsFeatureGIC gic;
     virSEVCapability *sev;
+    virSGXCapability *sgx;
     /* add new domain features here */
 
     virTristateBool features[VIR_DOMAIN_CAPS_FEATURE_LAST];
@@ -262,4 +270,9 @@ char * virDomainCapsFormat(const virDomainCaps *caps);
 void
 virSEVCapabilitiesFree(virSEVCapability *capabilities);
 
+void
+virSGXCapabilitiesFree(virSGXCapability *capabilities);
+
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(virSEVCapability, virSEVCapabilitiesFree);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(virSGXCapability, virSGXCapabilitiesFree);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index c5d788285e..d90d4ee6e1 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -219,6 +219,7 @@ virDomainCapsEnumSet;
 virDomainCapsFormat;
 virDomainCapsNew;
 virSEVCapabilitiesFree;
+virSGXCapabilitiesFree;
 
 
 # conf/domain_conf.h
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index a607f5ea5f..8ce184ce35 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -651,6 +651,7 @@ VIR_ENUM_IMPL(virQEMUCaps,
               "chardev.json", /* QEMU_CAPS_CHARDEV_JSON */
               "device.json", /* QEMU_CAPS_DEVICE_JSON */
               "query-dirty-rate", /* QEMU_CAPS_QUERY_DIRTY_RATE */
+              "sgx-epc", /* QEMU_CAPS_SGX_EPC */
     );
 
 
@@ -731,11 +732,14 @@ struct _virQEMUCaps {
 
     virSEVCapability *sevCapabilities;
 
+    virSGXCapability *sgxCapabilities;
+
     /* Capabilities which may differ depending on the accelerator. */
     virQEMUCapsAccel kvm;
     virQEMUCapsAccel tcg;
 };
 
+
 struct virQEMUCapsSearchData {
     virArch arch;
     const char *binaryFilter;
@@ -1367,6 +1371,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "virtio-vga-gl", QEMU_CAPS_VIRTIO_VGA_GL },
     { "s390-pv-guest", QEMU_CAPS_S390_PV_GUEST },
     { "virtio-mem-pci", QEMU_CAPS_DEVICE_VIRTIO_MEM_PCI },
+    { "sgx-epc", QEMU_CAPS_SGX_EPC },
 };
 
 
@@ -1918,6 +1923,22 @@ virQEMUCapsSEVInfoCopy(virSEVCapability **dst,
 }
 
 
+static int
+virQEMUCapsSGXInfoCopy(virSGXCapabilityPtr *dst,
+                       virSGXCapabilityPtr src)
+{
+    g_autoptr(virSGXCapability) tmp = NULL;
+
+    tmp = g_new0(virSGXCapability, 1);
+
+    tmp->flc = src->flc;
+    tmp->epc_size = src->epc_size;
+
+    *dst = g_steal_pointer(&tmp);
+    return 0;
+}
+
+
 static void
 virQEMUCapsAccelCopyMachineTypes(virQEMUCapsAccel *dst,
                                  virQEMUCapsAccel *src)
@@ -1997,6 +2018,11 @@ virQEMUCaps *virQEMUCapsNewCopy(virQEMUCaps *qemuCaps)
                                qemuCaps->sevCapabilities) < 0)
         return NULL;
 
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SGX_EPC) &&
+        virQEMUCapsSGXInfoCopy(&ret->sgxCapabilities,
+                               qemuCaps->sgxCapabilities) < 0)
+        return NULL;
+
     return g_steal_pointer(&ret);
 }
 
@@ -2033,6 +2059,7 @@ void virQEMUCapsDispose(void *obj)
     g_free(qemuCaps->gicCapabilities);
 
     virSEVCapabilitiesFree(qemuCaps->sevCapabilities);
+    virSGXCapabilitiesFree(qemuCaps->sgxCapabilities);
 
     virQEMUCapsAccelClear(&qemuCaps->kvm);
     virQEMUCapsAccelClear(&qemuCaps->tcg);
@@ -2553,6 +2580,13 @@ virQEMUCapsGetSEVCapabilities(virQEMUCaps *qemuCaps)
 }
 
 
+virSGXCapabilityPtr
+virQEMUCapsGetSGXCapabilities(virQEMUCaps *qemuCaps)
+{
+    return qemuCaps->sgxCapabilities;
+}
+
+
 static int
 virQEMUCapsProbeQMPCommands(virQEMUCaps *qemuCaps,
                             qemuMonitor *mon)
@@ -3327,6 +3361,31 @@ virQEMUCapsProbeQMPSEVCapabilities(virQEMUCaps *qemuCaps,
 }
 
 
+static int
+virQEMUCapsProbeQMPSGXCapabilities(virQEMUCaps *qemuCaps,
+                                   qemuMonitor *mon)
+{
+    int rc = -1;
+    virSGXCapability *caps = NULL;
+
+    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SGX_EPC))
+        return 0;
+
+    if ((rc = qemuMonitorGetSGXCapabilities(mon, &caps)) < 0)
+        return -1;
+
+    /* SGX isn't actually supported */
+    if (rc == 0) {
+        virQEMUCapsClear(qemuCaps, QEMU_CAPS_SGX_EPC);
+        return 0;
+    }
+
+    virSGXCapabilitiesFree(qemuCaps->sgxCapabilities);
+    qemuCaps->sgxCapabilities = caps;
+    return 0;
+}
+
+
 /*
  * Filter for features which should never be passed to QEMU. Either because
  * QEMU never supported them or they were dropped as they never did anything
@@ -4110,6 +4169,41 @@ virQEMUCapsParseSEVInfo(virQEMUCaps *qemuCaps, xmlXPathContextPtr ctxt)
     return 0;
 }
 
+static int
+virQEMUCapsParseSGXInfo(virQEMUCaps *qemuCaps, xmlXPathContextPtr ctxt)
+{
+    g_autoptr(virSGXCapability) sgx = NULL;
+
+    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SGX_EPC))
+        return 0;
+
+    if (virXPathBoolean("boolean(./sgx)", ctxt) == 0) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("missing SGX platform data in QEMU "
+                       "capabilities cache"));
+        return -1;
+    }
+
+    sgx = g_new0(virSGXCapability, 1);
+
+    if (virXPathBoolean("boolean(./sgx/flc)", ctxt) == 0) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("missing SGX platform flc data in QEMU "
+                       "capabilities cache"));
+        return -1;
+    }
+
+    if (virXPathUInt("string(./sgx/epc_size)", ctxt, &sgx->epc_size) < 0) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("missing or malformed SGX platform epc_size information "
+                       "in QEMU capabilities cache"));
+        return -1;
+    }
+
+    qemuCaps->sgxCapabilities = g_steal_pointer(&sgx);
+    return 0;
+}
+
 
 /*
  * Parsing a doc that looks like
@@ -4226,7 +4320,7 @@ virQEMUCapsLoadCache(virArch hostArch,
         flag = virQEMUCapsTypeFromString(str);
         if (flag < 0) {
             virReportError(VIR_ERR_INTERNAL_ERROR,
-                           _("Unknown qemu capabilities flag %s"), str);
+                           _("Haibin Unknown qemu capabilities flag %s"), str);
             goto cleanup;
         }
         VIR_FREE(str);
@@ -4351,6 +4445,9 @@ virQEMUCapsLoadCache(virArch hostArch,
     if (virQEMUCapsParseSEVInfo(qemuCaps, ctxt) < 0)
         goto cleanup;
 
+    if (virQEMUCapsParseSGXInfo(qemuCaps, ctxt) < 0)
+        goto cleanup;
+
     virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_KVM);
     virQEMUCapsInitHostCPUModel(qemuCaps, hostArch, VIR_DOMAIN_VIRT_QEMU);
 
@@ -4531,6 +4628,19 @@ virQEMUCapsFormatSEVInfo(virQEMUCaps *qemuCaps, virBuffer *buf)
     virBufferAddLit(buf, "</sev>\n");
 }
 
+static void
+virQEMUCapsFormatSGXInfo(virQEMUCaps *qemuCaps, virBuffer *buf)
+{
+    virSGXCapabilityPtr sgx = virQEMUCapsGetSGXCapabilities(qemuCaps);
+
+    virBufferAddLit(buf, "<sgx>\n");
+    virBufferAdjustIndent(buf, 2);
+    virBufferAsprintf(buf, "<flc>%s</flc>\n", sgx->flc ? "yes" : "no");
+    virBufferAsprintf(buf, "<epc_size>%u</epc_size>\n", sgx->epc_size);
+    virBufferAdjustIndent(buf, -2);
+    virBufferAddLit(buf, "</sgx>\n");
+}
+
 
 char *
 virQEMUCapsFormatCache(virQEMUCaps *qemuCaps)
@@ -4605,6 +4715,9 @@ virQEMUCapsFormatCache(virQEMUCaps *qemuCaps)
     if (qemuCaps->sevCapabilities)
         virQEMUCapsFormatSEVInfo(qemuCaps, &buf);
 
+    if (qemuCaps->sgxCapabilities)
+        virQEMUCapsFormatSGXInfo(qemuCaps, &buf);
+
     if (qemuCaps->kvmSupportsNesting)
         virBufferAddLit(&buf, "<kvmSupportsNesting/>\n");
 
@@ -5276,6 +5389,8 @@ virQEMUCapsInitQMPMonitor(virQEMUCaps *qemuCaps,
         return -1;
     if (virQEMUCapsProbeQMPSEVCapabilities(qemuCaps, mon) < 0)
         return -1;
+    if (virQEMUCapsProbeQMPSGXCapabilities(qemuCaps, mon) < 0)
+        return -1;
 
     virQEMUCapsInitProcessCaps(qemuCaps);
 
@@ -6248,6 +6363,31 @@ virQEMUCapsFillDomainFeatureGICCaps(virQEMUCaps *qemuCaps,
 }
 
 
+/**
+ * virQEMUCapsFillDomainFeatureiSGXCaps:
+ * @qemuCaps: QEMU capabilities
+ * @domCaps: domain capabilities
+ *
+ * Take the information about SGX capabilities that has been obtained
+ * using the 'query-sgx-capabilities' QMP command and stored in @qemuCaps
+ * and convert it to a form suitable for @domCaps.
+ */
+static void
+virQEMUCapsFillDomainFeatureSGXCaps(virQEMUCaps *qemuCaps,
+                                    virDomainCaps *domCaps)
+{
+    virSGXCapability *cap = qemuCaps->sgxCapabilities;
+
+    if (!cap)
+        return;
+
+    domCaps->sgx = g_new0(virSGXCapability, 1);
+
+    domCaps->sgx->flc = cap->flc;
+    domCaps->sgx->epc_size = cap->epc_size;
+}
+
+
 /**
  * virQEMUCapsFillDomainFeatureSEVCaps:
  * @qemuCaps: QEMU capabilities
@@ -6339,6 +6479,7 @@ virQEMUCapsFillDomainCaps(virQEMUCaps *qemuCaps,
     virQEMUCapsFillDomainFeatureGICCaps(qemuCaps, domCaps);
     virQEMUCapsFillDomainFeatureSEVCaps(qemuCaps, domCaps);
     virQEMUCapsFillDomainFeatureS390PVCaps(qemuCaps, domCaps);
+    virQEMUCapsFillDomainFeatureSGXCaps(qemuCaps, domCaps);
 
     return 0;
 }
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index bb53d9ae46..e8c052b27d 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -631,6 +631,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_CHARDEV_JSON, /* -chardev accepts JSON */
     QEMU_CAPS_DEVICE_JSON, /* -device accepts JSON */
     QEMU_CAPS_QUERY_DIRTY_RATE, /* accepts query-dirty-rate */
+    QEMU_CAPS_SGX_EPC, /* -object sgx-epc,... */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;
@@ -824,5 +825,8 @@ virQEMUCapsGetSEVCapabilities(virQEMUCaps *qemuCaps);
 bool
 virQEMUCapsGetKVMSupportsSecureGuest(virQEMUCaps *qemuCaps) G_GNUC_NO_INLINE;
 
+virSGXCapabilityPtr
+virQEMUCapsGetSGXCapabilities(virQEMUCaps *qemuCaps);
+
 virArch virQEMUCapsArchFromString(const char *arch);
 const char *virQEMUCapsArchToString(virArch arch);
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index e8accaf2b0..dca3e94ed2 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -3787,6 +3787,16 @@ qemuMonitorGetSEVCapabilities(qemuMonitor *mon,
 }
 
 
+int
+qemuMonitorGetSGXCapabilities(qemuMonitor *mon,
+                              virSGXCapability **capabilities)
+{
+    QEMU_CHECK_MONITOR(mon);
+
+    return qemuMonitorJSONGetSGXCapabilities(mon, capabilities);
+}
+
+
 int
 qemuMonitorNBDServerStart(qemuMonitor *mon,
                           const virStorageNetHostDef *server,
diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
index 52ff34d316..e08fc1bfe3 100644
--- a/src/qemu/qemu_monitor.h
+++ b/src/qemu/qemu_monitor.h
@@ -915,6 +915,9 @@ int qemuMonitorGetGICCapabilities(qemuMonitor *mon,
 int qemuMonitorGetSEVCapabilities(qemuMonitor *mon,
                                   virSEVCapability **capabilities);
 
+int qemuMonitorGetSGXCapabilities(qemuMonitor *mon,
+                                  virSGXCapability **capabilities);
+
 typedef enum {
   QEMU_MONITOR_MIGRATE_BACKGROUND       = 1 << 0,
   QEMU_MONITOR_MIGRATE_NON_SHARED_DISK  = 1 << 1, /* migration with non-shared storage with full disk copy */
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 579d986e02..b2c5042a22 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -6723,6 +6723,89 @@ qemuMonitorJSONGetGICCapabilities(qemuMonitor *mon,
 }
 
 
+/**
+ * qemuMonitorJSONGetSGXCapabilities:
+ * @mon: qemu monitor object
+ * @capabilities: pointer to pointer to a SGX capability structure to be filled
+ *
+ * This function queries and fills in INTEL's SGX platform-specific data.
+ * Note that from QEMU's POV both -object sgx-epc and query-sgx-capabilities
+ * can be present even if SGX is not available, which basically leaves us with
+ * checking for JSON "GenericError" in order to differentiate between compiled-in
+ * support and actual SGX support on the platform.
+ *
+ * Returns -1 on error, 0 if SGX is not supported, and 1 if SGX is supported on
+ * the platform.
+ */
+int
+qemuMonitorJSONGetSGXCapabilities(qemuMonitor *mon,
+                                  virSGXCapability **capabilities)
+{
+    int ret = -1;
+    virJSONValue *cmd;
+    virJSONValue *reply = NULL;
+    virJSONValue *caps;
+    bool sgx = false;
+    bool flc = false;
+    unsigned int section_size = 0;
+    g_autoptr(virSGXCapability) capability = NULL;
+
+    *capabilities = NULL;
+
+    if (!(cmd = qemuMonitorJSONMakeCommand("query-sgx-capabilities", NULL)))
+        return -1;
+
+    if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
+        goto cleanup;
+
+    /* QEMU has only compiled-in support of SGX */
+    if (qemuMonitorJSONHasError(reply, "GenericError")) {
+        ret = 0;
+        goto cleanup;
+    }
+
+    if (qemuMonitorJSONCheckError(cmd, reply) < 0)
+        goto cleanup;
+
+    caps = virJSONValueObjectGetObject(reply, "return");
+
+    if (virJSONValueObjectGetBoolean(caps, "sgx", &sgx) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("query-sgx reply was missing"
+                         " 'sgx' field"));
+        goto cleanup;
+    }
+
+    if (virJSONValueObjectGetBoolean(caps, "flc", &flc) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("query-sgx-capabilities reply was missing"
+                         " 'flc' field"));
+        goto cleanup;
+    }
+
+    if (virJSONValueObjectGetNumberUint(caps, "section-size", &section_size) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("query-sgx-capabilities reply was missing"
+                         " 'section-size' field"));
+        goto cleanup;
+    }
+
+    capability = g_new0(virSGXCapability, 1);
+
+    capability->flc = flc;
+
+    capability->epc_size = section_size/1024;
+    *capabilities = g_steal_pointer(&capability);
+    ret = 1;
+
+ cleanup:
+    virJSONValueFree(cmd);
+    virJSONValueFree(reply);
+
+    return ret;
+}
+
+
 /**
  * qemuMonitorJSONGetSEVCapabilities:
  * @mon: qemu monitor object
diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
index c841de0a03..bfb405ed04 100644
--- a/src/qemu/qemu_monitor_json.h
+++ b/src/qemu/qemu_monitor_json.h
@@ -157,6 +157,9 @@ int qemuMonitorJSONGetGICCapabilities(qemuMonitor *mon,
 int qemuMonitorJSONGetSEVCapabilities(qemuMonitor *mon,
                                       virSEVCapability **capabilities);
 
+int qemuMonitorJSONGetSGXCapabilities(qemuMonitor *mon,
+                                      virSGXCapability **capabilities);
+
 int qemuMonitorJSONMigrate(qemuMonitor *mon,
                            unsigned int flags,
                            const char *uri);
diff --git a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.replies b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.replies
index aa7a779a68..1092eb7c31 100644
--- a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.replies
+++ b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.replies
@@ -29479,6 +29479,20 @@
   }
 }
 
+{
+  "execute": "query-sgx-capabilities",
+  "id": "libvirt-49"
+}
+
+{
+  "id": "libvirt-49",
+  "return": {
+    "sgx": true,
+    "section-size": 1024,
+    "flc": false
+  }
+}
+
 {
   "execute": "query-cpu-model-expansion",
   "arguments": {
@@ -29487,7 +29501,7 @@
       "name": "host"
     }
   },
-  "id": "libvirt-49"
+  "id": "libvirt-50"
 }
 
 {
@@ -29820,7 +29834,7 @@
       }
     }
   },
-  "id": "libvirt-49"
+  "id": "libvirt-50"
 }
 
 {
@@ -29834,7 +29848,7 @@
       }
     }
   },
-  "id": "libvirt-50"
+  "id": "libvirt-51"
 }
 
 {
@@ -30167,7 +30181,7 @@
       }
     }
   },
-  "id": "libvirt-50"
+  "id": "libvirt-51"
 }
 
 {
diff --git a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
index 5a46da0a6a..410964d84d 100644
--- a/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_6.2.0.x86_64.xml
@@ -241,6 +241,7 @@
   <flag name='ich9.acpi-hotplug-bridge'/>
   <flag name='device.json'/>
   <flag name='query-dirty-rate'/>
+  <flag name='sgx-epc'/>
   <version>6001050</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>43100244</microcodeVersion>
@@ -3711,4 +3712,8 @@
   <machine type='tcg' name='pc-q35-2.5' hotplugCpus='yes' maxCpus='255' defaultCPU='qemu64-x86_64-cpu' numaMemSupported='yes' defaultRAMid='pc.ram'/>
   <machine type='tcg' name='pc-i440fx-3.0' hotplugCpus='yes' maxCpus='255' defaultCPU='qemu64-x86_64-cpu' numaMemSupported='yes' defaultRAMid='pc.ram'/>
   <machine type='tcg' name='pc-q35-2.11' hotplugCpus='yes' maxCpus='288' defaultCPU='qemu64-x86_64-cpu' numaMemSupported='yes' defaultRAMid='pc.ram'/>
+  <sgx>
+    <flc>no</flc>
+    <epc_size>1</epc_size>
+  </sgx>
 </qemuCaps>
-- 
2.17.1




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