From: Cyrill Gorcunov <gorcunov@gmail.com>
To: macro@linux-mips.org, mingo@redhat.com, hpa@zytor.com,
tglx@linutronix.de, linux-kernel@vger.kernel.org
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Subject: [patch 1/2] x86: io-apic - define names for redirection table entry fields
Date: Sat, 07 Jun 2008 19:53:56 +0400 [thread overview]
Message-ID: <484aafc0.0407560a.301e.6a8d@mx.google.com> (raw)
In-Reply-To: 20080607155355.010786004@gmail.com
[-- Attachment #1: x86-io-apic-defs --]
[-- Type: text/plain, Size: 942 bytes --]
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:
*/
--
next parent reply other threads:[~2008-06-07 15:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080607155355.010786004@gmail.com>
2008-06-07 15:53 ` Cyrill Gorcunov [this message]
2008-06-10 10:36 ` [patch 1/2] x86: io-apic - define names for redirection table entry fields Ingo Molnar
2008-06-07 15:53 ` [patch 2/2] x86: io-apic - use predefined names instead of numeric constants Cyrill Gorcunov
2008-06-10 10:36 ` Ingo Molnar
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