usb-redirection working! Woohoo :-)

src/exec/QemuSystem.go

@@ -54,7 +54,7 @@ func NewQemuSystem(qgaSock string, cpus, ram int, nic string, usbDevs []string,
 
     if len(usbDevs) > 0 {
         // A qemu-xhci device is required
-        usb = append(usb, "-device qemu-xhci")
+        usb = append(usb, "-device", "qemu-xhci")
 
         // Generate the USB devices' filter list, for instance:
         // "-1:0x0781:0x5567:-1:1|-1:0x067b:0x2303:-1:1|-1:-1:-1:-1:0"
@@ -71,10 +71,8 @@ func NewQemuSystem(qgaSock string, cpus, ram int, nic string, usbDevs []string,
         // Generate QEMU's arguments for the USB devices
         for i, _ := range usbDevs {
             idx := strconv.Itoa(i+1)
-            usb = append(usb, "-chardev")
-            usb = append(usb, "spicevmc,name=usbredir,id=usbredir"+idx)
-            usb = append(usb, "-device")
-            usb = append(usb, "usb-redir,filter='"+filter.String()+"',chardev=usbredir"+idx)
+            usb = append(usb, "-chardev", "spicevmc,name=usbredir,id=usbredir"+idx)
+            usb = append(usb, "-device", "usb-redir,filter="+filter.String()+",chardev=usbredir"+idx)
         }
     }
 
@@ -99,9 +97,8 @@ func NewQemuSystem(qgaSock string, cpus, ram int, nic string, usbDevs []string,
     // QEMU Guest Agent
     args = append(args, "-device", "virtio-serial", "-device", "virtserialport,chardev=qga0,name=org.qemu.guest_agent.0", "-chardev", "socket,path="+qgaSock+",server=on,wait=off,id=qga0")
     // USB redirection
-    for _, u := range usb {
-        args = append(args, u)
-    }
+    args = append(args, usb...)
+
     // Sound support
     // args = append(args, "-soundhw", "hda")