[deliverable/linux.git] / arch / x86 / include / asm / amd_iommu.h

/*
 * 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

#include <linux/irqreturn.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);
extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
#else
static inline int amd_iommu_init(void) { return -ENODEV; }
static inline void amd_iommu_detect(void) { }
#endif

#endif /* _ASM_X86_AMD_IOMMU_H */
Commit	Line	Data
c6da992e JR	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
1965aae3 PA	20	#ifndef _ASM_X86_AMD_IOMMU_H
1965aae3 PA	21	#define _ASM_X86_AMD_IOMMU_H
c6da992e	22
a80dc3e0	23	#include <linux/irqreturn.h>
c6da992e JR	24
	25	#ifdef CONFIG_AMD_IOMMU
	26	extern int amd_iommu_init(void);
	27	extern int amd_iommu_init_dma_ops(void);
	28	extern void amd_iommu_detect(void);
a80dc3e0	29	extern irqreturn_t amd_iommu_int_handler(int irq, void *data);
c6da992e JR	30	#else
	31	static inline int amd_iommu_init(void) { return -ENODEV; }
	32	static inline void amd_iommu_detect(void) { }
	33	#endif
	34
1965aae3	35	#endif /* _ASM_X86_AMD_IOMMU_H */