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Joerg Roedelc6da9922008-06-26 21:28:06 +02001/*
Joerg Roedelbf3118c2009-11-20 13:39:19 +01002 * Copyright (C) 2007-2009 Advanced Micro Devices, Inc.
Joerg Roedelc6da9922008-06-26 21:28:06 +02003 * Author: Joerg Roedel <joerg.roedel@amd.com>
4 * Leo Duran <leo.duran@amd.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
H. Peter Anvin1965aae2008-10-22 22:26:29 -070020#ifndef _ASM_X86_AMD_IOMMU_H
21#define _ASM_X86_AMD_IOMMU_H
Joerg Roedelc6da9922008-06-26 21:28:06 +020022
Joerg Roedela80dc3e2008-09-11 16:51:41 +020023#include <linux/irqreturn.h>
Joerg Roedelc6da9922008-06-26 21:28:06 +020024
25#ifdef CONFIG_AMD_IOMMU
Joerg Roedel6a9401a2009-11-20 13:22:21 +010026
Konrad Rzeszutek Wilk480125b2010-08-26 13:57:57 -040027extern int amd_iommu_detect(void);
Joerg Roedel6a9401a2009-11-20 13:22:21 +010028
Joerg Roedelc6da9922008-06-26 21:28:06 +020029#else
Joerg Roedel6a9401a2009-11-20 13:22:21 +010030
Konrad Rzeszutek Wilk480125b2010-08-26 13:57:57 -040031static inline int amd_iommu_detect(void) { return -ENODEV; }
Joerg Roedel6a9401a2009-11-20 13:22:21 +010032
Joerg Roedelc6da9922008-06-26 21:28:06 +020033#endif
34
H. Peter Anvin1965aae2008-10-22 22:26:29 -070035#endif /* _ASM_X86_AMD_IOMMU_H */