/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <vm/hat.h>
#include <vm/hat_sfmmu.h>
#include <sys/pte.h>
#include <sys/mmu.h>
#include <sys/kdi_impl.h>
#include <sys/errno.h>
extern int kdi_vatotte(uintptr_t, int, tte_t *);
extern int sfmmu_kern_mapped;
int
kdi_vtop(uintptr_t va, uint64_t *pap)
{
tte_t tte;
if (!sfmmu_kern_mapped)
return (EAGAIN);
if (kdi_vatotte(va, KCONTEXT, &tte) < 0)
return (ENOENT);
*pap = (TTE_TO_PFN((caddr_t)va, &tte) << MMU_PAGESHIFT) |
(va & MMU_PAGEOFFSET);
return (0);
}