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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/x86/include/asm/amd_iommu.h
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/*

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 * Copyright (C) 2007-2010 Advanced Micro Devices, Inc.

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 * Author: Joerg Roedel <[email protected]>

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 *         Leo Duran <[email protected]>

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 *

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 * This program is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 as published

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 * by the Free Software Foundation.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 * You should have received a copy of the GNU General Public License

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 * along with this program; if not, write to the Free Software

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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

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 */

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#ifndef _ASM_X86_AMD_IOMMU_H

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#define _ASM_X86_AMD_IOMMU_H

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#include <linux/irqreturn.h>

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#ifdef CONFIG_AMD_IOMMU

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extern int amd_iommu_detect(void);

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#else

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static inline int amd_iommu_detect(void) { return -ENODEV; }

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#endif

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#endif /* _ASM_X86_AMD_IOMMU_H */

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