Changeset 41379 in vbox for trunk/src/VBox/Additions/WINNT

Timestamp:

May 21, 2012 7:19:55 PM (13 years ago)

Author:

vboxsync

Message:

wddm: missing bits for backdoor logging config

Location:

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm

Files:

• VBoxMPMisc.cpp (modified) (1 diff)
• VBoxMPMisc.h (modified) (1 diff)
• VBoxMPWddm.h (modified) (1 diff)

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPMisc.cpp

@@ -2341 +2341 @@
     return STATUS_SUCCESS;
 }
+
+NTSTATUS vboxWddmDrvCfgInit(PUNICODE_STRING pRegStr)
+{
+    HANDLE hKey;
+    OBJECT_ATTRIBUTES ObjAttr;
+
+    InitializeObjectAttributes(&ObjAttr, pRegStr, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
+
+    NTSTATUS Status = ZwOpenKey(&hKey, GENERIC_READ, &ObjAttr);
+    if (!NT_SUCCESS(Status))
+    {
+        WARN(("ZwOpenKey for settings key failed, Status 0x%x", Status));
+        return Status;
+    }
+
+    DWORD dwValue = 0;
+    Status = vboxWddmRegQueryValueDword(hKey, VBOXWDDM_CFG_STR_LOG_UM, &dwValue);
+    if (NT_SUCCESS(Status))
+        g_VBoxLogUm = dwValue;
+
+    ZwClose(hKey);
+
+    return Status;
+}

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPMisc.h

@@ -198 +198 @@
 void VBoxWddmVrTerm();
 
+NTSTATUS vboxWddmDrvCfgInit(PUNICODE_STRING pRegStr);
+
 #endif /* #ifndef ___VBoxMPMisc_h__ */

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPWddm.h

@@ -30 +30 @@
 
 //#define VBOXWDDM_DEBUG_VIDPN
+
+#define VBOXWDDM_CFG_LOG_UM_BACKDOOR 0x00000001
+#define VBOXWDDM_CFG_LOG_UM_DBGPRINT 0x00000002
+#define VBOXWDDM_CFG_STR_LOG_UM L"VBoxLogUm"
+extern DWORD g_VBoxLogUm;
 
 RT_C_DECLS_BEGIN