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author | Ingo Molnar <mingo@elte.hu> | 2011-07-07 12:56:44 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-07-07 12:58:28 +0200 |
commit | b395fb36d59e17b9335805c10fa30fc51c8a94c6 (patch) | |
tree | b96bc8eee33753e2a1b1181c62a028d7f89643d7 /include/linux/amd-iommu.h | |
parent | fe0d42203cb5616eeff68b14576a0f7e2dd56625 (diff) | |
parent | 6b385b46ee17d7e1a68d3411b8cdb2342e0f0445 (diff) | |
download | op-kernel-dev-b395fb36d59e17b9335805c10fa30fc51c8a94c6.zip op-kernel-dev-b395fb36d59e17b9335805c10fa30fc51c8a94c6.tar.gz |
Merge branch 'iommu-3.1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu into core/iommu
Diffstat (limited to 'include/linux/amd-iommu.h')
-rw-r--r-- | include/linux/amd-iommu.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/amd-iommu.h b/include/linux/amd-iommu.h new file mode 100644 index 0000000..a6863a2 --- /dev/null +++ b/include/linux/amd-iommu.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2007-2010 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 + +#include <linux/irqreturn.h> + +#ifdef CONFIG_AMD_IOMMU + +extern int amd_iommu_detect(void); + +#else + +static inline int amd_iommu_detect(void) { return -ENODEV; } + +#endif + +#endif /* _ASM_X86_AMD_IOMMU_H */ |