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/*
* 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 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _XHAT_SFMMU_H
#define _XHAT_SFMMU_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ASM
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <vm/hat_sfmmu.h>
#include <vm/page.h>
#include <vm/xhat.h>
struct xhat;
struct xhat_hme_blk;
/*
* Pads to align xhat_hme_blk's xhat_hme_blk_misc
* and with xblk_hme with corresponding fields in
* those of hme_blk.
*/
#define XHAT_PADHI (offsetof(struct hme_blk, hblk_misc) - \
sizeof (struct xhat *))
#define XHAT_PADLO (offsetof(struct hme_blk, hblk_hme[0]) - \
(offsetof(struct hme_blk, hblk_misc) + \
sizeof (struct hme_blk_misc)))
/*
* This (or, rather, xblk_hme[] member of the structure) is
* what gets put on page's p_mappings list.
*/
struct xhat_hme_blk {
struct xhat *xhat_hme_blk_hat;
char xblk_pad1[XHAT_PADHI];
struct hme_blk_misc xhat_hme_blk_misc;
char xblk_pad2[XHAT_PADLO];
struct sf_hment xblk_hme[1];
};
/*
* Convert pointers between xhat_hme_blk and provider's
* block (these two blocks are always allocated adjacent to
* each other).
*/
#define XBLK2PROVBLK(xblk) ((void *)(((struct xhat_hme_blk *)(xblk)) + 1))
#define PROVBLK2XBLK(pblk) (((struct xhat_hme_blk *)(pblk)) - 1)
void xhat_xblkcache_reclaim(void *);
#endif /* _ASM */
#ifdef __cplusplus
}
#endif
#endif /* _XHAT_SFMMU_H */
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