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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <vm/hat.h> 31 #include <vm/hat_sfmmu.h> 32 #include <sys/pte.h> 33 #include <sys/mmu.h> 34 #include <sys/kdi_impl.h> 35 #include <sys/errno.h> 36 37 extern int kdi_vatotte(uintptr_t, int, tte_t *); 38 extern int sfmmu_kern_mapped; 39 40 int 41 kdi_vtop(uintptr_t va, uint64_t *pap) 42 { 43 tte_t tte; 44 45 if (!sfmmu_kern_mapped) 46 return (EAGAIN); 47 48 if (kdi_vatotte(va, KCONTEXT, &tte) < 0) 49 return (ENOENT); 50 51 *pap = (TTE_TO_PFN((caddr_t)va, &tte) << MMU_PAGESHIFT) | 52 (va & MMU_PAGEOFFSET); 53 54 return (0); 55 } 56