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Initial revision

/*	$OpenBSD: tss.h,v 1.1 2004/01/28 01:39:39 mickey Exp $	*/
/*	$NetBSD: tss.h,v 1.1 2003/04/26 18:39:49 fvdl Exp $	*/

/*
 * Copyright (c) 2001 Wasabi Systems, Inc.
 * All rights reserved.
 *
 * Written by Frank van der Linden for Wasabi Systems, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed for the NetBSD Project by
 *      Wasabi Systems, Inc.
 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
 *    or promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _AMD64_TSS_H_
#define _AMD64_TSS_H_

/*
 * TSS structure. Since TSS hw switching is not supported in long
 * mode, this is mainly there for the I/O permission map in
 * normal processes.
 */

struct x86_64_tss {
	u_int32_t	tss_reserved1;
	u_int64_t	tss_rsp0;
	u_int64_t	tss_rsp1;
	u_int64_t	tss_rsp3;
	u_int32_t	tss_reserved2;
	u_int32_t	tss_reserved3;
	u_int64_t	tss_ist[7];
	u_int32_t	tss_reserved4;
	u_int32_t	tss_reserved5;
	u_int16_t	tss_reserved6;
	u_int16_t	tss_iobase;
} __attribute__((packed));

#endif /* _AMD64_TSS_H_ */