[libvirt] [PATCH 4/6] qemu: Add support for "none" USB controller

This patch enables the "none" USB controller for qemu guests and adds valdiation on hot-plugged devices if the guest has USB disabled. --- src/qemu/qemu_command.c | 7 +++++++ src/qemu/qemu_driver.c | 6 ++++++ 2 files changed, 13 insertions(+), 0 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 5db72e8..232808c 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -4676,6 +4676,13 @@ 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 3138fb3..cbe4857 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -5827,6 +5827,9 @@ 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) @@ -5852,6 +5855,9 @@ 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); -- 1.7.8.6