Changeset 49814 in vbox for trunk/src/VBox/VMM

Timestamp:

Dec 6, 2013 9:38:28 PM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

91156

Message:

Devices/USB: First part of the rework, move most of the work to dedicated threads to improve performance

File:

• trunk/src/VBox/VMM/VMMR3/PDM.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/PDM.cpp

@@ -642 +642 @@
     {
         pdmR3TermLuns(pVM, pUsbIns->Internal.s.pLuns, pUsbIns->pReg->szName, pUsbIns->iInstance);
+
+        /*
+         * Detach it from the HUB (if it's actually attached to one) so the HUB has
+         * a chance to stop accessing any data.
+         */
+        PPDMUSBHUB pHub = pUsbIns->Internal.s.pHub;
+        if (pHub)
+        {
+            int rc = pHub->Reg.pfnDetachDevice(pHub->pDrvIns, pUsbIns, pUsbIns->Internal.s.iPort);
+            if (RT_FAILURE(rc))
+            {
+                LogRel(("PDM: Failed to detach USB device '%s' instance %d from %p: %Rrc\n",
+                        pUsbIns->pReg->szName, pUsbIns->iInstance, pHub, rc));
+            }
+            else
+            {
+                pHub->cAvailablePorts++;
+                Assert(pHub->cAvailablePorts > 0 && pHub->cAvailablePorts <= pHub->cPorts);
+                pUsbIns->Internal.s.pHub = NULL;
+            }
+        }
 
         if (pUsbIns->pReg->pfnDestruct)