From c6da992e16a9d261eb9dfeff14e9777c3e0468c5 Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Thu, 26 Jun 2008 21:28:06 +0200 Subject: [PATCH] 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 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 --- arch/x86/kernel/amd_iommu.c | 1 + arch/x86/kernel/amd_iommu_init.c | 1 + include/asm-x86/amd_iommu.h | 32 ++++++++++++++++++++++++++++++++ 3 files changed, 34 insertions(+) create mode 100644 include/asm-x86/amd_iommu.h diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index c282bdec165..134dea10324 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -25,6 +25,7 @@ #include #include #include +#include #define CMD_SET_TYPE(cmd, t) ((cmd)->data[1] |= ((t) << 28)) diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index ec6f13b69d5..bae4a76a3b5 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -23,6 +23,7 @@ #include #include #include +#include #include /* diff --git a/include/asm-x86/amd_iommu.h b/include/asm-x86/amd_iommu.h new file mode 100644 index 00000000000..30a12049353 --- /dev/null +++ b/include/asm-x86/amd_iommu.h @@ -0,0 +1,32 @@ +/* + * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. + * Author: Joerg Roedel + * Leo Duran + * + * 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 -- 2.41.1