iommutsb.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_IOMMUTSB_H
#define _SYS_IOMMUTSB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _KERNEL
/*
* IOMMU TSB allocation.
*/
/* These four function comprise the interface for the nexus drivers. */
#define IOMMU_TSB_COOKIE_NONE ((uint16_t)-1)
extern uint16_t iommu_tsb_alloc(uint16_t);
extern void iommu_tsb_free(uint16_t);
extern uint64_t *iommu_tsb_cookie_to_va(uint16_t);
extern uint_t iommu_tsb_cookie_to_size(uint16_t);
/* iommu_tsb_init() is called during startup. */
extern caddr_t iommu_tsb_init(caddr_t);
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_IOMMUTSB_H */