Author: kib
Date: Fri Sep  8 19:25:11 2017
New Revision: 323324
URL: https://svnweb.freebsd.org/changeset/base/323324

Log:
  Add a constant specifying the min size of the IOAPIC registers window.
  
  Sponsored by: The FreeBSD Foundation
  MFC after:    1 week

Modified:
  head/sys/x86/include/apicreg.h

Modified: head/sys/x86/include/apicreg.h
==============================================================================
--- head/sys/x86/include/apicreg.h      Fri Sep  8 19:20:42 2017        
(r323323)
+++ head/sys/x86/include/apicreg.h      Fri Sep  8 19:25:11 2017        
(r323324)
@@ -469,6 +469,8 @@ typedef struct IOAPIC ioapic_t;
 #define IOAPIC_WINDOW          0x10
 #define IOAPIC_EOIR            0x40
 
+#define        IOAPIC_WND_SIZE         0x50
+
 /* indexes into IO APIC */
 #define IOAPIC_ID              0x00
 #define IOAPIC_VER             0x01
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