spice/qemu--usbredir(續)

在spice/qemu--usbredir(3)中，安裝好usbredir有一些bug，U盤，usb光驅無法使用，只能使用key之類。

今天重新看了看，做了以下一些處理：

在host上目錄/etc/qemu下編輯ich9-ehci-uhci.cfg文件：

[device "ehci"]
  driver = "ich9-usb-ehci1"
  addr = "1d.7"
  multifunction = "on"

[device "uhci-1"]
  driver = "ich9-usb-uhci1"
  addr = "1d.0"
  multifunction = "on"
  masterbus = "ehci.0"
  firstport = "0"

[device "uhci-2"]
  driver = "ich9-usb-uhci2"
  addr = "1d.1"
  multifunction = "on"
  masterbus = "ehci.0"
  firstport = "2"

[device "uhci-3"]
  driver = "ich9-usb-uhci3"
  addr = "1d.2"
  multifunction = "on"
  masterbus = "ehci.0"
  firstport = "4"

然後在啓動虛擬機的qemu參數中，添加usb參數的前面添加下面參數：

-readconfig /etc/qemu/ich9-ehci-uhci.cfg

通過上面就能實現U盤，usb光驅掛到虛擬機上。