[libvirt] [PATCH 3/9] domain_conf: Don't add default memballoon device on ARM
Cole Robinson
crobinso at redhat.com
Thu Aug 1 02:14:33 UTC 2013
Unlike USB, qemu_command can handle an empty memballoon device, so just
don't add it.
And add test cases for a basic working ARM guest.
---
docs/schemas/domaincommon.rng | 19 +++++++++++
src/conf/domain_conf.c | 38 ++++++++++++++--------
.../qemuxml2argv-arm-vexpressa9-nodevs.args | 1 +
.../qemuxml2argv-arm-vexpressa9-nodevs.xml | 26 +++++++++++++++
tests/qemuxml2argvtest.c | 3 ++
tests/testutilsqemu.c | 32 ++++++++++++++++++
6 files changed, 106 insertions(+), 13 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.xml
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 745b959..781ecfd 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -303,6 +303,7 @@
<ref name="hvmppc"/>
<ref name="hvmppc64"/>
<ref name="hvms390"/>
+ <ref name="hvmarm"/>
</choice>
</optional>
<value>hvm</value>
@@ -412,6 +413,24 @@
</optional>
</group>
</define>
+ <define name="hvmarm">
+ <group>
+ <optional>
+ <attribute name="arch">
+ <choice>
+ <value>armv7l</value>
+ </choice>
+ </attribute>
+ </optional>
+ <optional>
+ <attribute name="machine">
+ <data type="string">
+ <param name="pattern">[a-zA-Z0-9_\.\-]+</param>
+ </data>
+ </attribute>
+ </optional>
+ </group>
+ </define>
<define name="osexe">
<element name="os">
<element name="type">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 2308580..9d903f4 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -8812,6 +8812,23 @@ virDomainDefaultUSBControllerModel(virDomainDefPtr def)
return -1;
}
+static bool
+virDomainNeedDefaultMemballoonDevice(virDomainDefPtr def)
+{
+ if (def->virtType == VIR_DOMAIN_VIRT_XEN)
+ return true;
+
+ if (def->virtType != VIR_DOMAIN_VIRT_QEMU &&
+ def->virtType != VIR_DOMAIN_VIRT_KQEMU &&
+ def->virtType != VIR_DOMAIN_VIRT_KVM)
+ return false;
+
+ if (def->os.arch == VIR_ARCH_ARMV7L)
+ return false;
+
+ return true;
+}
+
int
virDomainVideoDefaultType(virDomainDefPtr def)
{
@@ -12156,19 +12173,14 @@ virDomainDefParseXML(xmlDocPtr xml,
def->memballoon = memballoon;
VIR_FREE(nodes);
- } else {
- if (def->virtType == VIR_DOMAIN_VIRT_XEN ||
- def->virtType == VIR_DOMAIN_VIRT_QEMU ||
- def->virtType == VIR_DOMAIN_VIRT_KQEMU ||
- def->virtType == VIR_DOMAIN_VIRT_KVM) {
- virDomainMemballoonDefPtr memballoon;
- if (VIR_ALLOC(memballoon) < 0)
- goto error;
- memballoon->model = def->virtType == VIR_DOMAIN_VIRT_XEN ?
- VIR_DOMAIN_MEMBALLOON_MODEL_XEN :
- VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO;
- def->memballoon = memballoon;
- }
+ } else if (virDomainNeedDefaultMemballoonDevice(def)) {
+ virDomainMemballoonDefPtr memballoon;
+ if (VIR_ALLOC(memballoon) < 0)
+ goto error;
+ memballoon->model = def->virtType == VIR_DOMAIN_VIRT_XEN ?
+ VIR_DOMAIN_MEMBALLOON_MODEL_XEN :
+ VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO;
+ def->memballoon = memballoon;
}
/* Parse the RNG device */
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.args b/tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.args
new file mode 100644
index 0000000..129f2ed
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.args
@@ -0,0 +1 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu-system-arm -S -M vexpress-a9 -m 1024 -smp 1 -nographic -nodefconfig -nodefaults -monitor unix:/tmp/test-monitor,server,nowait -boot c -kernel /arm-kernel -initrd /arm-initrd -append console=ttyAMA0,115200n8 -dtb /arm-dtb
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.xml b/tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.xml
new file mode 100644
index 0000000..6a97e98
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-arm-vexpressa9-nodevs.xml
@@ -0,0 +1,26 @@
+<domain type="qemu">
+ <name>armtest</name>
+ <uuid>496d7ea8-9739-544b-4ebd-ef08be936e6a</uuid>
+ <memory>1048576</memory>
+ <currentMemory>1048576</currentMemory>
+ <vcpu>1</vcpu>
+ <os>
+ <type arch="armv7l" machine="vexpress-a9">hvm</type>
+ <kernel>/arm-kernel</kernel>
+ <initrd>/arm-initrd</initrd>
+ <dtb>/arm-dtb</dtb>
+ <cmdline>console=ttyAMA0,115200n8</cmdline>
+ </os>
+ <features>
+ <acpi/>
+ <apic/>
+ <pae/>
+ </features>
+ <clock offset="utc"/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>restart</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-arm</emulator>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index b7485fc..361ddb8 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1027,6 +1027,9 @@ mymain(void)
DO_TEST_PARSE_ERROR("pci-root-address",
QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_PCI_BRIDGE);
+ DO_TEST("arm-vexpressa9-nodevs",
+ QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_DTB);
+
virObjectUnref(driver.config);
virObjectUnref(driver.caps);
virObjectUnref(driver.xmlopt);
diff --git a/tests/testutilsqemu.c b/tests/testutilsqemu.c
index fac83b2..3907683 100644
--- a/tests/testutilsqemu.c
+++ b/tests/testutilsqemu.c
@@ -145,6 +145,35 @@ error:
return -1;
}
+static int testQemuAddArmGuest(virCapsPtr caps)
+{
+ static const char *machines[] = { "vexpress-a9",
+ "versatilepb" };
+ virCapsGuestMachinePtr *capsmachines = NULL;
+ virCapsGuestPtr guest;
+
+ capsmachines = virCapabilitiesAllocMachines(machines,
+ ARRAY_CARDINALITY(machines));
+ if (!capsmachines)
+ goto error;
+
+ guest = virCapabilitiesAddGuest(caps, "hvm", VIR_ARCH_ARMV7L,
+ "/usr/bin/qemu-system-arm", NULL,
+ ARRAY_CARDINALITY(machines),
+ capsmachines);
+ if (!guest)
+ goto error;
+
+ if (!virCapabilitiesAddGuestDomain(guest, "qemu", NULL, NULL, 0, NULL))
+ goto error;
+
+ return 0;
+
+error:
+ virCapabilitiesFreeMachines(capsmachines, ARRAY_CARDINALITY(machines));
+ return -1;
+}
+
virCapsPtr testQemuCapsInit(void) {
virCapsPtr caps;
@@ -270,6 +299,9 @@ virCapsPtr testQemuCapsInit(void) {
if (testQemuAddS390Guest(caps))
goto cleanup;
+ if (testQemuAddArmGuest(caps))
+ goto cleanup;
+
if (virTestGetDebug()) {
char *caps_str;
--
1.8.3.1
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