diff --git a/dlls/user32/sysparams.c b/dlls/user32/sysparams.c
index 34e0a375143..565838fa5e6 100644
--- a/dlls/user32/sysparams.c
+++ b/dlls/user32/sysparams.c
@@ -2942,6 +2942,17 @@ BOOL WINAPI EnumDisplaySettingsExW(LPCWSTR lpszDeviceName, DWORD iModeNum,
     return USER_Driver->pEnumDisplaySettingsEx(lpszDeviceName, iModeNum, lpDevMode, dwFlags);
 }
 
+/***********************************************************************
+ *              IsValidDpiAwarenessContext   (USER32.@)
+ */
+BOOL WINAPI IsValidDpiAwarenessContext( DPI_AWARENESS_CONTEXT context )
+{
+    return (context == DPI_AWARENESS_CONTEXT_UNAWARE ||
+            context == DPI_AWARENESS_CONTEXT_SYSTEM_AWARE ||
+            context == DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE ||
+            context == DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
+}
+
 /***********************************************************************
  *              SetProcessDPIAware   (USER32.@)
  */
diff --git a/dlls/user32/user32.spec b/dlls/user32/user32.spec
index e0fdd3adca3..6ace359540b 100644
--- a/dlls/user32/user32.spec
+++ b/dlls/user32/user32.spec
@@ -460,6 +460,7 @@
 @ stdcall IsRectEmpty(ptr)
 # @ stub IsServerSideWindow
 @ stdcall IsTouchWindow(long ptr)
+@ stdcall IsValidDpiAwarenessContext(long)
 @ stdcall IsWinEventHookInstalled(long)
 @ stdcall IsWindow(long)
 @ stdcall IsWindowEnabled(long)
diff --git a/include/windef.h b/include/windef.h
index df0eb7715b7..40028f3373c 100644
--- a/include/windef.h
+++ b/include/windef.h
@@ -433,6 +433,20 @@ typedef struct _RECTL
 
 typedef const RECTL *LPCRECTL;
 
+/* DPI awareness */
+typedef enum DPI_AWARENESS
+{
+    DPI_AWARENESS_INVALID = -1,
+    DPI_AWARENESS_UNAWARE = 0,
+    DPI_AWARENESS_SYSTEM_AWARE,
+    DPI_AWARENESS_PER_MONITOR_AWARE
+} DPI_AWARENESS;
+
+#define DPI_AWARENESS_CONTEXT_UNAWARE              ((DPI_AWARENESS_CONTEXT)-1)
+#define DPI_AWARENESS_CONTEXT_SYSTEM_AWARE         ((DPI_AWARENESS_CONTEXT)-2)
+#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE    ((DPI_AWARENESS_CONTEXT)-3)
+#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((DPI_AWARENESS_CONTEXT)-4)
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/include/winuser.h b/include/winuser.h
index ece01098da9..90c257d4c47 100644
--- a/include/winuser.h
+++ b/include/winuser.h
@@ -3848,6 +3848,7 @@ WINUSERAPI BOOL        WINAPI IsIconic(HWND);
 WINUSERAPI BOOL        WINAPI IsMenu(HMENU);
 WINUSERAPI BOOL        WINAPI IsProcessDPIAware(void);
 WINUSERAPI BOOL        WINAPI IsTouchWindow(HWND,PULONG);
+WINUSERAPI BOOL        WINAPI IsValidDpiAwarenessContext(DPI_AWARENESS_CONTEXT);
 WINUSERAPI BOOL        WINAPI IsWinEventHookInstalled(DWORD);
 WINUSERAPI BOOL        WINAPI IsWindow(HWND);
 WINUSERAPI BOOL        WINAPI IsWindowEnabled(HWND);