[libvirt] [PATCHv3 3/3] qemu: Add support for "none" USB controller
Peter Krempa
pkrempa at redhat.com
Mon Jul 23 12:19:15 UTC 2012
This patch enables the "none" USB controller for qemu guests and adds
valdiation on hot-plugged devices if the guest has USB disabled.
This patch also adds a set of tests to check parsing of domain XMLs that
use the "none" controller and some forbidden situations concerning it.
---
Diff to v2:
- tests squashed in directly
---
src/qemu/qemu_command.c | 7 ++++++
src/qemu/qemu_driver.c | 6 +++++
.../qemuxml2argvdata/qemuxml2argv-usb-none-hub.xml | 19 ++++++++++++++++++
.../qemuxml2argv-usb-none-other.xml | 19 ++++++++++++++++++
.../qemuxml2argv-usb-none-usbtablet.xml | 21 ++++++++++++++++++++
tests/qemuxml2argvdata/qemuxml2argv-usb-none.args | 5 ++++
tests/qemuxml2argvdata/qemuxml2argv-usb-none.xml | 16 +++++++++++++++
tests/qemuxml2argvtest.c | 10 +++++++++
8 files changed, 103 insertions(+), 0 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-none-hub.xml
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-none-other.xml
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-none-usbtablet.xml
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-none.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-usb-none.xml
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 7127e70..5164f49 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4787,6 +4787,13 @@ qemuBuildCommandLine(virConnectPtr conn,
cont->type == VIR_DOMAIN_CONTROLLER_TYPE_FDC)
continue;
+ /* Also, skip USB controllers with type none.*/
+ if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
+ cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE) {
+ usbcontroller = -1; /* mark we don't want a controller */
+ continue;
+ }
+
/* Only recent QEMU implements a SATA (AHCI) controller */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_ICH9_AHCI)) {
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index f3ff5b2..18b6ebd 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5833,6 +5833,9 @@ qemuDomainModifyDeviceFlags(virDomainPtr dom, const char *xml,
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
+ if (virDomainDefCompatibleDevice(vmdef, dev) < 0)
+ goto endjob;
+
/* Make a copy for updated domain. */
vmdef = virDomainObjCopyPersistentDef(driver->caps, vm);
if (!vmdef)
@@ -5858,6 +5861,9 @@ qemuDomainModifyDeviceFlags(virDomainPtr dom, const char *xml,
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
+ if (virDomainDefCompatibleDevice(vm->def, dev_copy) < 0)
+ goto endjob;
+
switch (action) {
case QEMU_DEVICE_ATTACH:
ret = qemuDomainAttachDeviceLive(vm, dev_copy, dom);
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-none-hub.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-none-hub.xml
new file mode 100644
index 0000000..9eeb953
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-none-hub.xml
@@ -0,0 +1,19 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <devices>
+ <emulator>/usr/bin/qemu</emulator>
+ <controller type='usb' model='none' index='0'/>
+ <memballoon model='virtio'/>
+ <hub type='usb'>
+ <address type='usb' bus='0' port='1'/>
+ </hub>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-none-other.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-none-other.xml
new file mode 100644
index 0000000..64bbba6
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-none-other.xml
@@ -0,0 +1,19 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <devices>
+ <emulator>/usr/bin/qemu</emulator>
+ <controller type='usb' index='0' model='none'/>
+ <controller type='usb' index='0'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+ </controller>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-none-usbtablet.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-none-usbtablet.xml
new file mode 100644
index 0000000..9d53cc0
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-none-usbtablet.xml
@@ -0,0 +1,21 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu</emulator>
+ <controller type='usb' model='none' index='0'/>
+ <input type='tablet' bus='usb'/>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-none.args b/tests/qemuxml2argvdata/qemuxml2argv-usb-none.args
new file mode 100644
index 0000000..085b66f
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-none.args
@@ -0,0 +1,5 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S \
+-M pc -m 214 -smp 1 -nographic -nodefconfig -nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-none.xml b/tests/qemuxml2argvdata/qemuxml2argv-usb-none.xml
new file mode 100644
index 0000000..69ace41
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-none.xml
@@ -0,0 +1,16 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <devices>
+ <emulator>/usr/bin/qemu</emulator>
+ <controller type='usb' index='0' model='none'/>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index c4aa7c4..39fcd9f 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -683,6 +683,16 @@ mymain(void)
QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_PCI_MULTIFUNCTION, QEMU_CAPS_PIIX3_USB_UHCI,
QEMU_CAPS_USB_HUB, QEMU_CAPS_ICH9_USB_EHCI1);
+ DO_TEST("usb-none",
+ QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
+ DO_TEST_PARSE_ERROR("usb-none-other",
+ QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
+ DO_TEST_PARSE_ERROR("usb-none-hub",
+ QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
+ QEMU_CAPS_USB_HUB);
+ DO_TEST_PARSE_ERROR("usb-none-usbtablet",
+ QEMU_CAPS_CHARDEV, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG);
+
DO_TEST("smbios", QEMU_CAPS_SMBIOS_TYPE);
--
1.7.8.6
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