[pve-devel] [PATCH qemu-server 5/7] add qemu_usb_hotplug

Dominik Csapak d.csapak at proxmox.com
Tue Jun 14 10:50:39 CEST 2016


this adds a function for hotplugging usb devices

Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
---
this function has to be in here, since i did not
refactor the monitor functions yet
 PVE/QemuServer.pm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index f12e587..6834b33 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -3592,6 +3592,31 @@ sub qemu_netdevdel {
     vm_mon_cmd($vmid, "netdev_del", id => $deviceid);
 }
 
+sub qemu_usb_hotplug {
+    my ($storecfg, $conf, $vmid, $deviceid, $device) = @_;
+
+    return if !$device;
+
+    # remove the old one first
+    vm_deviceunplug($vmid, $conf, $deviceid);
+
+    # check if xhci controller is necessary and available
+    if ($device->{usb3}) {
+
+	my $devicelist = vm_devices_list($vmid);
+
+	if (!$devicelist->{xhci}) {
+	    my $pciaddr = print_pci_addr("xhci");
+	    qemu_deviceadd($vmid, "nec-usb-xhci,id=xhci$pciaddr");
+	}
+    }
+    my $d = parse_usb_device($device->{host});
+    $d->{usb3} = $device->{usb3};
+
+    # add the new one
+    vm_deviceplug($storecfg, $conf, $vmid, $deviceid, $d);
+}
+
 sub qemu_cpu_hotplug {
     my ($vmid, $conf, $vcpus) = @_;
 
-- 
2.1.4




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