ReactOS SMP Bringup Lite:

[reactos.git] / reactos / include / ndk / asm.h

diff --git a/reactos/include/ndk/asm.h b/reactos/include/ndk/asm.h
index 6395651..db2770d 100644 (file)
--- a/reactos/include/ndk/asm.h
+++ b/reactos/include/ndk/asm.h
@@ -568,8 +568,22 @@ Author:
 #define APC_LEVEL                               0x1
 #define DISPATCH_LEVEL                          0x2
 #define CLOCK2_LEVEL                            0x1C
+#define IPI_LEVEL                               0x1D
 #define HIGH_LEVEL                              0x1F
 
+//
+// Synchronization-level IRQL
+//
+#ifndef CONFIG_SMP
+#define SYNCH_LEVEL                             DISPATCH_LEVEL
+#else
+#if (NTDDI_VERSION < NTDDI_WS03)
+#define SYNCH_LEVEL                             (IPI_LEVEL - 0x1)
+#else
+#define SYNCH_LEVEL                             (IPI_LEVEL - 0x2)
+#endif
+#endif
+
 //
 // Quantum Decrements
 //