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authorIngo Molnar <mingo@elte.hu>2008-07-12 07:30:05 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-12 07:30:05 +0200
commit1ba89386db0a3f39590b90b5dd20d7149ae52de0 (patch)
tree7211f558d841cb40e1015d0b7527643ad55cb8e7 /include/asm-x86/amd_iommu.h
parenta26929fb489188ff959b1715ee67f0c9f84405b5 (diff)
parentae94b8075a2ed58d2318ef03827b25bc844f844e (diff)
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Merge branch 'x86/core' into x86/x2apic
Diffstat (limited to 'include/asm-x86/amd_iommu.h')
-rw-r--r--include/asm-x86/amd_iommu.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/amd_iommu.h b/include/asm-x86/amd_iommu.h
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+++ b/include/asm-x86/amd_iommu.h
@@ -0,0 +1,32 @@
+/*
+ * 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
+ */
+
+#ifndef _ASM_X86_AMD_IOMMU_H
+#define _ASM_X86_AMD_IOMMU_H
+
+#ifdef CONFIG_AMD_IOMMU
+extern int amd_iommu_init(void);
+extern int amd_iommu_init_dma_ops(void);
+extern void amd_iommu_detect(void);
+#else
+static inline int amd_iommu_init(void) { return -ENODEV; }
+static inline void amd_iommu_detect(void) { }
+#endif
+
+#endif