1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #ifndef _SYS_IOMMUTSB_H 28 #define _SYS_IOMMUTSB_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #ifdef _KERNEL 39 40 /* 41 * IOMMU TSB allocation. 42 */ 43 44 /* These four function comprise the interface for the nexus drivers. */ 45 #define IOMMU_TSB_COOKIE_NONE ((uint16_t)-1) 46 extern uint16_t iommu_tsb_alloc(uint16_t); 47 extern void iommu_tsb_free(uint16_t); 48 extern uint64_t *iommu_tsb_cookie_to_va(uint16_t); 49 extern uint_t iommu_tsb_cookie_to_size(uint16_t); 50 51 /* iommu_tsb_init() is called during startup. */ 52 extern caddr_t iommu_tsb_init(caddr_t); 53 54 #endif /* _KERNEL */ 55 56 #ifdef __cplusplus 57 } 58 #endif 59 60 #endif /* _SYS_IOMMUTSB_H */ 61