tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
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
20#ifndef _ASM_X86_AMD_IOMMU_H
21#define _ASM_X86_AMD_IOMMU_H
22
23#include <linux/irqreturn.h>
24
25#ifdef CONFIG_AMD_IOMMU
26extern int amd_iommu_init(void);
27extern int amd_iommu_init_dma_ops(void);
28extern int amd_iommu_init_passthrough(void);
29extern void amd_iommu_detect(void);
30extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
31extern void amd_iommu_flush_all_domains(void);
32extern void amd_iommu_flush_all_devices(void);
33extern void amd_iommu_shutdown(void);
34#else
35static inline int amd_iommu_init(void) { return -ENODEV; }
36static inline void amd_iommu_detect(void) { }
37static inline void amd_iommu_shutdown(void) { }
38#endif
39
40#endif /* _ASM_X86_AMD_IOMMU_H */