From fc5bc7b021a2a2fc390ce824e7d24610e2511912 Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 26 Jun 2008 21:27:53 +0200
Subject: [PATCH] --- yaml --- r: 99616 b: refs/heads/master c:
 b6c02715cff8c96174022166bfa3e1a25436fb34 h: refs/heads/master v: v3

---
 [refs]                            |  2 +-
 trunk/arch/x86/kernel/amd_iommu.c | 40 +++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 trunk/arch/x86/kernel/amd_iommu.c

diff --git a/[refs] b/[refs]
index eb668950d3a8..3106267a90d5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 918ad6c54d107ccfc4ccaa3a54b97437467fb58a
+refs/heads/master: b6c02715cff8c96174022166bfa3e1a25436fb34
diff --git a/trunk/arch/x86/kernel/amd_iommu.c b/trunk/arch/x86/kernel/amd_iommu.c
new file mode 100644
index 000000000000..90392c7b253b
--- /dev/null
+++ b/trunk/arch/x86/kernel/amd_iommu.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
+ * Author: Joerg Roedel <joerg.roedel@amd.com>
+ *         Leo Duran <leo.duran@amd.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/pci.h>
+#include <linux/gfp.h>
+#include <linux/bitops.h>
+#include <linux/scatterlist.h>
+#include <linux/iommu-helper.h>
+#include <asm/proto.h>
+#include <asm/gart.h>
+#include <asm/amd_iommu_types.h>
+
+#define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28))
+
+#define to_pages(addr, size) \
+	 (round_up(((addr) & ~PAGE_MASK) + (size), PAGE_SIZE) >> PAGE_SHIFT)
+
+static DEFINE_RWLOCK(amd_iommu_devtable_lock);
+
+struct command {
+	u32 data[4];
+};
+
+