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qemu: auto-add generic xhci rather than NEC xhci to Q35 domains

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We recently added a generic XHCI USB3 controller to QEMU, and libvirt
supports adding that controller rather than the NEC XHCI USB3
controller, but when auto-adding a USB controller to Q35 domains we
were still adding the vendor-specific NEC controller. This patch
changes to add the generic controller instead, if it's available in
the QEMU binary that will be used.

Signed-off-by: Laine Stump <laine@laine.org>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Laine Stump 2018-01-17 16:47:06 -05:00
parent ba9ea2ad7d
commit ed2049ea19
1 changed files with 6 additions and 5 deletions
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11
src/qemu/qemu_domain.c
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@ -2660,12 +2660,13 @@ qemuDomainDefAddDefaultDevices(virDomainDefPtr def,
addPCIeRoot = true;
addImplicitSATA = true;
/* Prefer adding USB3 controller if supported
* (nec-usb-xhci). Failing that, add a USB2 controller set
* if the ich9-usb-ehci1 device is supported. Otherwise
* don't add anything.
/* Prefer adding a USB3 controller if supported, fall back
* to USB2 if there is no USB3 available, and if that's
* unavailable don't add anything.
*/
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NEC_USB_XHCI))
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QEMU_XHCI))
usbModel = VIR_DOMAIN_CONTROLLER_MODEL_USB_QEMU_XHCI;
else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NEC_USB_XHCI))
usbModel = VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI;
else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ICH9_USB_EHCI1))
usbModel = VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1;