Changeset 91615 in vbox for trunk/src/VBox/Devices/Security/DrvTpmEmuTpms.cpp

Timestamp:

Oct 7, 2021 10:34:32 AM (3 years ago)

Author:

vboxsync

Message:

Devices/Secureity/DrvTpmEmuTpms: Implement a VM reset callback, bugref:10075

File:

• trunk/src/VBox/Devices/Security/DrvTpmEmuTpms.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Security/DrvTpmEmuTpms.cpp

@@ -322 +322 @@
     {
         LogRel(("DrvTpmEmuTpms#%u: Failed to initialize TPM emulation with %#x\n",
+                pDrvIns->iInstance, rcTpm));
+        PDMDrvHlpVMSetError(pDrvIns, VERR_INVALID_PARAMETER, RT_SRC_POS, "Failed to startup the TPM with %u", rcTpm);
+    }
+}
+
+
+/**
+ * @interface_method_impl{PDMDRVREG,pfnReset}
+ */
+static DECLCALLBACK(void) drvTpmEmuTpmsReset(PPDMDRVINS pDrvIns)
+{
+    PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
+
+    TPMLIB_Terminate();
+    TPM_RESULT rcTpm = TPMLIB_MainInit();
+    if (RT_UNLIKELY(rcTpm != TPM_SUCCESS))
+    {
+        LogRel(("DrvTpmEmuTpms#%u: Failed to reset TPM emulation with %#x\n",
                 pDrvIns->iInstance, rcTpm));
         PDMDrvHlpVMSetError(pDrvIns, VERR_INVALID_PARAMETER, RT_SRC_POS, "Failed to startup the TPM with %u", rcTpm);
@@ -487 +505 @@
     drvTpmEmuTpmsPowerOn,
     /* pfnReset */
-    NULL,
+    drvTpmEmuTpmsReset,
     /* pfnSuspend */
     NULL,