Introduce apic-msidef.h

This patch move the msi definition from apic.c to apic-msidef.h. So it can be
used also by other .c files.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/hw/apic.c b/hw/apic.c
index 5fbf01c..60552df 100644
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -23,19 +23,10 @@
 #include "host-utils.h"
 #include "trace.h"
 #include "pc.h"
+#include "apic-msidef.h"
 
 #define MAX_APIC_WORDS 8
 
-/* Intel APIC constants: from include/asm/msidef.h */
-#define MSI_DATA_VECTOR_SHIFT		0
-#define MSI_DATA_VECTOR_MASK		0x000000ff
-#define MSI_DATA_DELIVERY_MODE_SHIFT	8
-#define MSI_DATA_TRIGGER_SHIFT		15
-#define MSI_DATA_LEVEL_SHIFT		14
-#define MSI_ADDR_DEST_MODE_SHIFT	2
-#define MSI_ADDR_DEST_ID_SHIFT		12
-#define	MSI_ADDR_DEST_ID_MASK		0x00ffff0
-
 #define SYNC_FROM_VAPIC                 0x1
 #define SYNC_TO_VAPIC                   0x2
 #define SYNC_ISR_IRR_TO_VAPIC           0x4