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qemu: Add support for "none" USB controller

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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.
This commit is contained in:
Peter Krempa 2012-07-03 15:43:13 +02:00
parent 317badb213
commit fbe871263c
8 changed files with 103 additions and 0 deletions
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7
src/qemu/qemu_command.c
View File

@ -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)) {

6
src/qemu/qemu_driver.c
View File

@ -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);

19
tests/qemuxml2argvdata/qemuxml2argv-usb-none-hub.xml Normal file
View File

@ -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>

19
tests/qemuxml2argvdata/qemuxml2argv-usb-none-other.xml Normal file
View File

@ -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>

21
tests/qemuxml2argvdata/qemuxml2argv-usb-none-usbtablet.xml Normal file
View File

@ -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>

5
tests/qemuxml2argvdata/qemuxml2argv-usb-none.args Normal file
View File

@ -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

16
tests/qemuxml2argvdata/qemuxml2argv-usb-none.xml Normal file
View File

@ -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>

10
tests/qemuxml2argvtest.c
View File

@ -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);