svn commit: r323324 - head/sys/x86/include

[Konstantin Belousov]

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