| Joerg Roedel | c6da992 | 2008-06-26 21:28:06 +0200 | [diff] [blame] | 1 | /* |
| Joerg Roedel | bf3118c | 2009-11-20 13:39:19 +0100 | [diff] [blame] | 2 | * Copyright (C) 2007-2009 Advanced Micro Devices, Inc. |
| Joerg Roedel | c6da992 | 2008-06-26 21:28:06 +0200 | [diff] [blame] | 3 | * 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 Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 20 | #ifndef _ASM_X86_AMD_IOMMU_H |
| 21 | #define _ASM_X86_AMD_IOMMU_H |
| Joerg Roedel | c6da992 | 2008-06-26 21:28:06 +0200 | [diff] [blame] | 22 | |
| Joerg Roedel | a80dc3e | 2008-09-11 16:51:41 +0200 | [diff] [blame] | 23 | #include <linux/irqreturn.h> |
| Joerg Roedel | c6da992 | 2008-06-26 21:28:06 +0200 | [diff] [blame] | 24 | |
| 25 | #ifdef CONFIG_AMD_IOMMU |
| Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 26 | |
| Konrad Rzeszutek Wilk | 480125b | 2010-08-26 13:57:57 -0400 | [diff] [blame^] | 27 | extern int amd_iommu_detect(void); |
| Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 28 | |
| Joerg Roedel | c6da992 | 2008-06-26 21:28:06 +0200 | [diff] [blame] | 29 | #else |
| Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 30 | |
| Konrad Rzeszutek Wilk | 480125b | 2010-08-26 13:57:57 -0400 | [diff] [blame^] | 31 | static inline int amd_iommu_detect(void) { return -ENODEV; } |
| Joerg Roedel | 6a9401a | 2009-11-20 13:22:21 +0100 | [diff] [blame] | 32 | |
| Joerg Roedel | c6da992 | 2008-06-26 21:28:06 +0200 | [diff] [blame] | 33 | #endif |
| 34 | |
| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 35 | #endif /* _ASM_X86_AMD_IOMMU_H */ |