hypervisor/src/include/sun4v/queue.h

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: queue.h
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
*  - Do no alter or remove copyright notices
*
*  - Redistribution and use of this software in source and binary forms, with
*    or without modification, are permitted provided that the following
*    conditions are met:
*
*  - Redistribution of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*
*  - Redistribution 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.
*
*    Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
*     This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or maintenance of
* any nuclear facility.
*
* ========== Copyright Header End ============================================
*/
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SUN4V_QUEUE_H
#define _SUN4V_QUEUE_H

#pragma ident   "@(#)queue.h    1.3     04/08/19 SMI"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * sun4v Queue registers
 */

#define CPU_MONDO_QUEUE         0x3c
#define DEV_MONDO_QUEUE         0x3d
#define ERROR_RESUMABLE_QUEUE   0x3e
#define ERROR_NONRESUMABLE_QUEUE 0x3f

#define CPU_MONDO_QUEUE_HEAD    0x3c0 /* rw */
#define CPU_MONDO_QUEUE_TAIL    0x3c8 /* ro */
#define DEV_MONDO_QUEUE_HEAD    0x3d0 /* rw */
#define DEV_MONDO_QUEUE_TAIL    0x3d8 /* ro */

#define ERROR_RESUMABLE_QUEUE_HEAD      0x3e0 /* rw */
#define ERROR_RESUMABLE_QUEUE_TAIL      0x3e8 /* ro */
#define ERROR_NONRESUMABLE_QUEUE_HEAD   0x3f0 /* rw */
#define ERROR_NONRESUMABLE_QUEUE_TAIL   0x3f8 /* ro */

#define Q_EL_SIZE               0x40
#define Q_EL_SIZE_SHIFT         6       /* LOG2(Q_EL_SIZE) */

#ifdef __cplusplus
}
#endif

#endif /* _SUN4V_QUEUE_H */