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[patch 1/2] x86: io-apic - define names for redirection table entry fields

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From: Cyrill Gorcunov
Subject: [patch 1/2] x86: io-apic - define names for redirection table entry fields
Date: Saturday, June 7, 2008 - 8:53 am

Each I/O APIC redirection table entry has a number of fields.
Define names for them to eliminate reference by hard coded
numbers.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
---

Index: linux-2.6.git/include/asm-x86/io_apic.h
====================================================================
--- linux-2.6.git.orig/include/asm-x86/io_apic.h	2008-06-07 17:09:10.000000000 +0400
+++ linux-2.6.git/include/asm-x86/io_apic.h	2008-06-07 17:55:22.000000000 +0400
@@ -11,6 +11,15 @@
  * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar
  */
 
+/* I/O Unit Redirection Table */
+#define IO_APIC_REDIR_VECTOR_MASK	0x000FF
+#define IO_APIC_REDIR_DEST_LOGICAL	0x00800
+#define IO_APIC_REDIR_DEST_PHYSICAL	0x00000
+#define IO_APIC_REDIR_SEND_PENDING	(1 << 12)
+#define IO_APIC_REDIR_REMOTE_IRR	(1 << 14)
+#define IO_APIC_REDIR_LEVEL_TRIGGER	(1 << 15)
+#define IO_APIC_REDIR_MASKED		(1 << 16)
+
 /*
  * The structure of the IO-APIC:
  */

-- 
--
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Messages in current thread:
[patch 1/2] x86: io-apic - define names for redirection ta ..., Cyrill Gorcunov, (Sat Jun 7, 8:53 am)
Re: [patch 1/2] x86: io-apic - define names for redirectio ..., Ingo Molnar, (Tue Jun 10, 3:36 am)