/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_AMD_IOMMU_H
#define _SYS_AMD_IOMMU_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/sunddi.h>
#include <sys/iommulib.h>

#ifdef _KERNEL

typedef struct amd_iommu_state {
        int     aioms_instance;                 /* instance */
        dev_info_t *aioms_devi;                 /* dip */
        struct amd_iommu *aioms_iommu_start;    /* start of list of IOMMUs */
        struct amd_iommu *aioms_iommu_end;      /* end of list of IOMMUs */
        int aioms_nunits;                       /* # of IOMMUs in function */
} amd_iommu_state_t;

#define AMD_IOMMU_QUIESCE       (0)
#define AMD_IOMMU_TEARDOWN      (1)

int amd_iommu_setup(dev_info_t *dip, amd_iommu_state_t *statep);
int amd_iommu_teardown(dev_info_t *dip, amd_iommu_state_t *statep, int type);
int amd_iommu_lookup_src_bdf(uint16_t bdf, uint16_t *src_bdfp);

#endif  /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_AMD_IOMMU_H */