[libvirt] [PATCH 2/2] qemu: Add support for preallocated fd memory

Jaroslav Safka jaroslavx.safka at intel.com
Thu Sep 29 08:56:17 UTC 2016


This second change introduces support for preallocated
shared file descriptor based memory backing.
It allows vhost-user to be used without hugepages.

Used xml elements:
<memoryBacking>
  <source type='file|anonymous' path='/path/to/qemu/' />
  <access Mode='shared|private'/>
  <allocation mode='immediate|ondemand'/>
</memoryBacking>
---
 src/qemu/qemu_command.c                            | 156 ++++++++++++++++-----
 src/qemu/qemu_command.h                            |   4 +
 .../qemuxml2argv-fd-memory-no-numa-topology.args   |  34 +++++
 .../qemuxml2argv-fd-memory-no-numa-topology.xml    |  96 +++++++++++++
 .../qemuxml2argv-fd-memory-numa-topology.args      |  34 +++++
 .../qemuxml2argv-fd-memory-numa-topology.xml       |  99 +++++++++++++
 tests/qemuxml2argvtest.c                           |  24 ++++
 7 files changed, 414 insertions(+), 33 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index f24a98b..ff661ef 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3275,15 +3275,11 @@ qemuBuildMemoryBackendStr(unsigned long long size,
     if (!(props = virJSONValueNewObject()))
         return -1;
 
-    if (pagesize) {
-        if (qemuGetHupageMemPath(cfg, pagesize, &mem_path) < 0)
-            goto cleanup;
-
+    if (def->mem.source == VIR_DOMAIN_MEMORY_SOURCE_FILE) {
         *backendType = "memory-backend-file";
 
         if (virJSONValueObjectAdd(props,
-                                  "b:prealloc", true,
-                                  "s:mem-path", mem_path,
+                                  "s:mem-path", def->mem.mem_path,
                                   NULL) < 0)
             goto cleanup;
 
@@ -3299,18 +3295,61 @@ qemuBuildMemoryBackendStr(unsigned long long size,
             break;
 
         case VIR_NUMA_MEM_ACCESS_DEFAULT:
+            if (def->mem.access == VIR_DOMAIN_MEMORY_ACCESS_SHARED) {
+                if (virJSONValueObjectAdd(props, "b:share", true, NULL) < 0)
+                    goto cleanup;
+            }
+            break;
+
         case VIR_NUMA_MEM_ACCESS_LAST:
             break;
         }
+
+        force = true;
     } else {
-        if (memAccess) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-                           _("Shared memory mapping is supported "
-                             "only with hugepages"));
-            goto cleanup;
-        }
+        if (pagesize) {
+            if (qemuGetHupageMemPath(cfg, pagesize, &mem_path) < 0)
+                goto cleanup;
 
-        *backendType = "memory-backend-ram";
+            *backendType = "memory-backend-file";
+
+            if (virJSONValueObjectAdd(props,
+                                      "b:prealloc", true,
+                                      "s:mem-path", mem_path,
+                                      NULL) < 0)
+                goto cleanup;
+
+            switch (memAccess) {
+            case VIR_NUMA_MEM_ACCESS_SHARED:
+                if (virJSONValueObjectAdd(props, "b:share", true, NULL) < 0)
+                    goto cleanup;
+                break;
+
+            case VIR_NUMA_MEM_ACCESS_PRIVATE:
+                if (virJSONValueObjectAdd(props, "b:share", false, NULL) < 0)
+                    goto cleanup;
+                break;
+
+            case VIR_NUMA_MEM_ACCESS_DEFAULT:
+                if (def->mem.access == VIR_DOMAIN_MEMORY_ACCESS_SHARED) {
+                    if (virJSONValueObjectAdd(props, "b:share", true, NULL) < 0)
+                        goto cleanup;
+                }
+                break;
+
+            case VIR_NUMA_MEM_ACCESS_LAST:
+                break;
+            }
+        } else {
+            if (memAccess) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("Shared memory mapping is supported "
+                                 "only with hugepages"));
+                goto cleanup;
+            }
+
+            *backendType = "memory-backend-ram";
+        }
     }
 
     if (virJSONValueObjectAdd(props, "U:size", size * 1024, NULL) < 0)
@@ -7153,28 +7192,35 @@ qemuBuildMemPathStr(virQEMUDriverConfigPtr cfg,
     const long system_page_size = virGetSystemPageSizeKB();
     char *mem_path = NULL;
 
-    /*
-     *  No-op if hugepages were not requested.
-     */
-    if (!def->mem.nhugepages)
+    if (def->mem.allocation == VIR_DOMAIN_MEMORY_ALLOCATION_IMMEDIATE) {
+        virCommandAddArgList(cmd, "-mem-prealloc", NULL);
         return 0;
+    }
 
-    /* There is one special case: if user specified "huge"
-     * pages of regular system pages size.
-     * And there is nothing to do in this case.
-     */
-    if (def->mem.hugepages[0].size == system_page_size)
-        return 0;
+    if (def->mem.nhugepages) {
 
-    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MEM_PATH)) {
-        virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("hugepage backing not supported by '%s'"),
-                       def->emulator);
-        return -1;
-    }
+        /* There is one special case: if user specified "huge"
+         * pages of regular system pages size.
+         * And there is nothing to do in this case.
+         */
+        if (def->mem.hugepages[0].size == system_page_size)
+            return 0;
 
-    if (qemuGetHupageMemPath(cfg, def->mem.hugepages[0].size, &mem_path) < 0)
-        return -1;
+        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MEM_PATH)) {
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("hugepage backing not supported by '%s'"),
+                           def->emulator);
+            return -1;
+        }
+
+        if (qemuGetHupageMemPath(cfg, def->mem.hugepages[0].size, &mem_path) < 0)
+            return -1;
+    } else {
+        /*
+         *  No-op if hugepages or immediate allocation were not requested.
+         */
+        return 0;
+    }
 
     virCommandAddArgList(cmd, "-mem-prealloc", "-mem-path", mem_path, NULL);
     VIR_FREE(mem_path);
@@ -7210,8 +7256,9 @@ qemuBuildMemCommandLine(virCommandPtr cmd,
      * Add '-mem-path' (and '-mem-prealloc') parameter here only if
      * there is no numa node specified.
      */
-    if (!virDomainNumaGetNodeCount(def->numa) &&
-        qemuBuildMemPathStr(cfg, def, qemuCaps, cmd) < 0)
+    if ((!virDomainNumaGetNodeCount(def->numa)
+         || def->mem.allocation == VIR_DOMAIN_MEMORY_ALLOCATION_IMMEDIATE)
+            && qemuBuildMemPathStr(cfg, def, qemuCaps, cmd) < 0)
         return -1;
 
     if (def->mem.locked && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_REALTIME_MLOCK)) {
@@ -9411,6 +9458,10 @@ qemuBuildCommandLine(virQEMUDriverPtr driver,
         qemuBuildNumaArgStr(cfg, def, cmd, qemuCaps, nodeset) < 0)
         goto error;
 
+    if (!virDomainNumaGetNodeCount(def->numa) &&
+        qemuBuildMemoryBackingCommandLine(def, cmd, qemuCaps) < 0)
+        goto error;
+
     if (qemuBuildMemoryDeviceCommandLine(cmd, cfg, def, qemuCaps, nodeset) < 0)
         goto error;
 
@@ -9801,6 +9852,45 @@ qemuBuildChrDeviceStr(char **deviceStr,
 
     return ret;
 }
+int
+qemuBuildMemoryBackingCommandLine(const virDomainDef *def,
+                    virCommandPtr cmd,
+                    virQEMUCapsPtr qemuCaps)
+{
+    int ret = -1;
+    virBuffer buf = VIR_BUFFER_INITIALIZER;
+    const char *alias = "ram";
+
+    if (def->mem.source != VIR_DOMAIN_MEMORY_SOURCE_FILE) {
+        ret = 0;
+        goto cleanup;
+    }
+    /* numa is disabled and mem source is file */
+    if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE)) {
+        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                       _("File memory mapping is not supported "
+                         "with this QEMU"));
+        goto cleanup;
+    }
+
+    virCommandAddArg(cmd, "-object");
+    virBufferAsprintf(&buf, "memory-backend-file,id=%s,mem-path=%s,", alias, def->mem.mem_path);
+
+    if (def->mem.access == VIR_DOMAIN_MEMORY_ACCESS_SHARED)
+        virBufferAsprintf(&buf, "%s", "share=yes,");
+
+    virBufferAsprintf(&buf, "size=%llu", virDomainDefGetMemoryInitial(def) / 1024);
+    virCommandAddArgBuffer(cmd, &buf);
+
+    virCommandAddArg(cmd, "-numa");
+    virCommandAddArgFormat(cmd, "node,memdev=%s", alias);
+
+    ret = 0;
+ cleanup:
+
+    virBufferFreeAndReset(&buf);
+    return ret;
+}
 
 
 virJSONValuePtr
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index 2f2a6ff..d5cc0dd 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -182,6 +182,10 @@ bool qemuCheckCCWS390AddressSupport(const virDomainDef *def,
                                     virDomainDeviceInfo info,
                                     virQEMUCapsPtr qemuCaps,
                                     const char *devicename);
+int
+qemuBuildMemoryBackingCommandLine(const virDomainDef *def,
+                          virCommandPtr cmd,
+                          virQEMUCapsPtr qemuCaps);
 
 virJSONValuePtr qemuBuildHotpluggableCPUProps(const virDomainVcpuDef *vcpu)
     ATTRIBUTE_NONNULL(1);
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
new file mode 100644
index 0000000..952a699
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args
@@ -0,0 +1,34 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name instance-00000092 \
+-S \
+-M pc-i440fx-wily \
+-cpu host \
+-m 14336 \
+-mem-prealloc \
+-smp 8,sockets=8,cores=1,threads=1 \
+-object memory-backend-file,id=ram,mem-path=/var/lib/libvirt/qemu/,share=yes,\
+size=14336 \
+-numa node,memdev=ram \
+-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
+-smbios 'type=1,manufacturer=OpenStack Foundation,product=OpenStack Nova,\
+version=13.0.0,serial=0640ddd5-36c9-e211-a2f6-001e6789a0f1,\
+uuid=126f2720-6f8e-45ab-a886-ec9277079a67,family=Virtual Machine' \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-instance-00000092/monitor.sock,server,nowait \
+-rtc base=utc,driftfix=slew \
+-no-kvm-pit-reinjection \
+-boot c \
+-usb \
+-drive file=/var/lib/nova/instances/126f2720-6f8e-45ab-a886-ec9277079a67/disk,\
+format=qcow2,if=none,id=drive-virtio-disk0,cache=none \
+-device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,\
+id=virtio-disk0 \
+-vga cirrus \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
new file mode 100644
index 0000000..b25628c
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml
@@ -0,0 +1,96 @@
+<domain type='kvm' id='56'>
+  <name>instance-00000092</name>
+  <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
+  <metadata>
+    <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0">
+      <nova:package version="13.0.0"/>
+      <nova:name>emma</nova:name>
+      <nova:creationTime>2016-09-16 15:51:06</nova:creationTime>
+      <nova:flavor name="devstack">
+        <nova:memory>14336</nova:memory>
+        <nova:disk>30</nova:disk>
+        <nova:swap>0</nova:swap>
+        <nova:ephemeral>0</nova:ephemeral>
+        <nova:vcpus>8</nova:vcpus>
+      </nova:flavor>
+      <nova:owner>
+        <nova:user uuid="ff95838725294b1896e887d4caee5e1a">tester</nova:user>
+        <nova:project uuid="f04e5e9722e441ae90bcc7f12722a0ac">test</nova:project>
+      </nova:owner>
+      <nova:root type="image" uuid="37ec79a5-9eb2-4df5-beee-a6942657d828"/>
+    </nova:instance>
+  </metadata>
+  <memory unit='KiB'>14680064</memory>
+  <currentMemory unit='KiB'>14680064</currentMemory>
+  <memoryBacking>
+    <source type='file' path='/var/lib/libvirt/qemu/'/>
+    <access mode='shared'/>
+    <allocation mode='immediate'/>
+  </memoryBacking>
+  <vcpu placement='static'>8</vcpu>
+  <cputune>
+    <shares>8192</shares>
+  </cputune>
+  <resource>
+    <partition>/machine</partition>
+  </resource>
+  <sysinfo type='smbios'>
+    <system>
+      <entry name='manufacturer'>OpenStack Foundation</entry>
+      <entry name='product'>OpenStack Nova</entry>
+      <entry name='version'>13.0.0</entry>
+      <entry name='serial'>0640ddd5-36c9-e211-a2f6-001e6789a0f1</entry>
+      <entry name='uuid'>126f2720-6f8e-45ab-a886-ec9277079a67</entry>
+      <entry name='family'>Virtual Machine</entry>
+    </system>
+  </sysinfo>
+  <os>
+    <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
+    <boot dev='hd'/>
+    <smbios mode='sysinfo'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+  </features>
+  <cpu mode='host-passthrough'>
+    <topology sockets='8' cores='1' threads='1'/>
+  </cpu>
+  <clock offset='utc'>
+    <timer name='pit' tickpolicy='delay'/>
+    <timer name='rtc' tickpolicy='catchup'/>
+    <timer name='hpet' present='no'/>
+  </clock>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='qcow2' cache='none'/>
+      <source file='/var/lib/nova/instances/126f2720-6f8e-45ab-a886-ec9277079a67/disk'/>
+      <backingStore type='file' index='1'>
+        <format type='raw'/>
+        <source file='/var/lib/nova/instances/_base/7205b893db62340da7d5246a23b66a52ccef9bd1'/>
+        <backingStore/>
+      </backingStore>
+      <target dev='vda' bus='virtio'/>
+      <alias name='virtio-disk0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
+    </disk>
+    <controller type='usb' index='0'>
+      <alias name='usb'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+    </controller>
+    <video>
+      <model type='cirrus' vram='16384' heads='1'/>
+      <alias name='video0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <memballoon model='virtio'>
+      <stats period='10'/>
+      <alias name='balloon0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
new file mode 100644
index 0000000..55b739f
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args
@@ -0,0 +1,34 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name instance-00000092 \
+-S \
+-M pc-i440fx-wily \
+-cpu host \
+-m 14336 \
+-mem-prealloc \
+-smp 8,sockets=1,cores=8,threads=1 \
+-object memory-backend-file,id=ram-node0,mem-path=/var/lib/libvirt/qemu/,\
+share=yes,size=15032385536 \
+-numa node,nodeid=0,cpus=0-7,memdev=ram-node0 \
+-uuid 126f2720-6f8e-45ab-a886-ec9277079a67 \
+-smbios 'type=1,manufacturer=OpenStack Foundation,product=OpenStack Nova,\
+version=13.0.0,serial=0640ddd5-36c9-e211-a2f6-001e6789a0f1,\
+uuid=126f2720-6f8e-45ab-a886-ec9277079a67,family=Virtual Machine' \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-instance-00000092/monitor.sock,server,nowait \
+-rtc base=utc,driftfix=slew \
+-no-kvm-pit-reinjection \
+-boot c \
+-usb \
+-drive file=/var/lib/nova/instances/126f2720-6f8e-45ab-a886-ec9277079a67/disk,\
+format=qcow2,if=none,id=drive-virtio-disk0,cache=none \
+-device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,\
+id=virtio-disk0 \
+-vga cirrus \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml
new file mode 100644
index 0000000..1f74601
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml
@@ -0,0 +1,99 @@
+  <domain type='kvm' id='56'>
+    <name>instance-00000092</name>
+    <uuid>126f2720-6f8e-45ab-a886-ec9277079a67</uuid>
+    <metadata>
+      <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0">
+        <nova:package version="13.0.0"/>
+        <nova:name>emma</nova:name>
+        <nova:creationTime>2016-09-16 15:51:06</nova:creationTime>
+        <nova:flavor name="devstack">
+          <nova:memory>14336</nova:memory>
+          <nova:disk>30</nova:disk>
+          <nova:swap>0</nova:swap>
+          <nova:ephemeral>0</nova:ephemeral>
+          <nova:vcpus>8</nova:vcpus>
+        </nova:flavor>
+        <nova:owner>
+          <nova:user uuid="ff95838725294b1896e887d4caee5e1a">tester</nova:user>
+          <nova:project uuid="f04e5e9722e441ae90bcc7f12722a0ac">test</nova:project>
+        </nova:owner>
+        <nova:root type="image" uuid="37ec79a5-9eb2-4df5-beee-a6942657d828"/>
+      </nova:instance>
+    </metadata>
+    <memory unit='KiB'>14680064</memory>
+    <currentMemory unit='KiB'>14680064</currentMemory>
+    <memoryBacking>
+      <source type='file' path='/var/lib/libvirt/qemu/'/>
+      <access mode='shared'/>
+      <allocation mode='immediate'/>
+    </memoryBacking>
+    <vcpu placement='static'>8</vcpu>
+    <cputune>
+      <shares>8192</shares>
+    </cputune>
+    <resource>
+      <partition>/machine</partition>
+    </resource>
+    <sysinfo type='smbios'>
+      <system>
+        <entry name='manufacturer'>OpenStack Foundation</entry>
+        <entry name='product'>OpenStack Nova</entry>
+        <entry name='version'>13.0.0</entry>
+        <entry name='serial'>0640ddd5-36c9-e211-a2f6-001e6789a0f1</entry>
+        <entry name='uuid'>126f2720-6f8e-45ab-a886-ec9277079a67</entry>
+        <entry name='family'>Virtual Machine</entry>
+      </system>
+    </sysinfo>
+    <os>
+      <type arch='x86_64' machine='pc-i440fx-wily'>hvm</type>
+      <boot dev='hd'/>
+      <smbios mode='sysinfo'/>
+    </os>
+    <features>
+      <acpi/>
+      <apic/>
+    </features>
+    <cpu mode='host-passthrough'>
+      <topology sockets='1' cores='8' threads='1'/>
+      <numa>
+        <cell id='0' cpus='0-7' memory='14680064' unit='KiB'/>
+      </numa>
+    </cpu>
+    <clock offset='utc'>
+      <timer name='pit' tickpolicy='delay'/>
+      <timer name='rtc' tickpolicy='catchup'/>
+      <timer name='hpet' present='no'/>
+    </clock>
+    <on_poweroff>destroy</on_poweroff>
+    <on_reboot>restart</on_reboot>
+    <on_crash>destroy</on_crash>
+    <devices>
+      <emulator>/usr/bin/qemu-system-x86_64</emulator>
+      <disk type='file' device='disk'>
+        <driver name='qemu' type='qcow2' cache='none'/>
+        <source file='/var/lib/nova/instances/126f2720-6f8e-45ab-a886-ec9277079a67/disk'/>
+        <backingStore type='file' index='1'>
+          <format type='raw'/>
+          <source file='/var/lib/nova/instances/_base/7205b893db62340da7d5246a23b66a52ccef9bd1'/>
+          <backingStore/>
+        </backingStore>
+        <target dev='vda' bus='virtio'/>
+        <alias name='virtio-disk0'/>
+        <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
+      </disk>
+      <controller type='usb' index='0'>
+        <alias name='usb'/>
+        <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+      </controller>
+      <video>
+        <model type='cirrus' vram='16384' heads='1'/>
+        <alias name='video0'/>
+        <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+      </video>
+      <memballoon model='virtio'>
+        <stats period='10'/>
+        <alias name='balloon0'/>
+        <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
+      </memballoon>
+    </devices>
+  </domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 0af71a1..9564e14 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2160,6 +2160,30 @@ mymain(void)
 
     DO_TEST("cpu-hotplug-startup", QEMU_CAPS_QUERY_HOTPLUGGABLE_CPUS);
 
+    DO_TEST("fd-memory-numa-topology", QEMU_CAPS_RTC, QEMU_CAPS_NO_KVM_PIT,
+            QEMU_CAPS_PIIX_DISABLE_S3, QEMU_CAPS_PIIX_DISABLE_S4,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_ICH9_USB_EHCI1, QEMU_CAPS_PCI_MULTIFUNCTION,
+            QEMU_CAPS_SPICE, QEMU_CAPS_CHARDEV_SPICEVMC,
+            QEMU_CAPS_VGA_QXL,
+            QEMU_CAPS_HDA_DUPLEX, QEMU_CAPS_USB_REDIR,
+            QEMU_CAPS_DEVICE_PC_DIMM,
+            QEMU_CAPS_MEM_PATH, QEMU_CAPS_OBJECT_MEMORY_FILE,
+            QEMU_CAPS_KVM, QEMU_CAPS_SMBIOS_TYPE,
+            QEMU_CAPS_VNC_WEBSOCKET, QEMU_CAPS_VNC);
+
+    DO_TEST("fd-memory-no-numa-topology", QEMU_CAPS_RTC, QEMU_CAPS_NO_KVM_PIT,
+            QEMU_CAPS_PIIX_DISABLE_S3, QEMU_CAPS_PIIX_DISABLE_S4,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_ICH9_USB_EHCI1, QEMU_CAPS_PCI_MULTIFUNCTION,
+            QEMU_CAPS_SPICE, QEMU_CAPS_CHARDEV_SPICEVMC,
+            QEMU_CAPS_VGA_QXL,
+            QEMU_CAPS_HDA_DUPLEX, QEMU_CAPS_USB_REDIR,
+            QEMU_CAPS_DEVICE_PC_DIMM,
+            QEMU_CAPS_MEM_PATH, QEMU_CAPS_OBJECT_MEMORY_FILE,
+            QEMU_CAPS_KVM, QEMU_CAPS_SMBIOS_TYPE,
+            QEMU_CAPS_VNC_WEBSOCKET, QEMU_CAPS_VNC);
+
     qemuTestDriverFree(&driver);
 
     return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
-- 
2.5.5

--------------------------------------------------------------
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