diff options
author | Joerg Roedel <joerg.roedel@amd.com> | 2008-06-26 21:28:06 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-27 10:12:21 +0200 |
commit | c6da992e16a9d261eb9dfeff14e9777c3e0468c5 (patch) | |
tree | 3d47e81d5def14bc2081f348c2099c56d69f57fe /include/asm-x86/amd_iommu.h | |
parent | x86, AMD IOMMU: add dma_ops initialization function (diff) | |
download | linux-c6da992e16a9d261eb9dfeff14e9777c3e0468c5.tar.xz linux-c6da992e16a9d261eb9dfeff14e9777c3e0468c5.zip |
x86, AMD IOMMU: add amd_iommu.h to export functions to the generic x86 dma code
This patch adds the amd_iommu.h file which will be included in the generic
code.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: Sebastian.Biemueller@amd.com
Cc: robert.richter@amd.com
Cc: joro@8bytes.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/amd_iommu.h')
-rw-r--r-- | include/asm-x86/amd_iommu.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/amd_iommu.h b/include/asm-x86/amd_iommu.h new file mode 100644 index 000000000000..30a12049353b --- /dev/null +++ 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 |