msidef.h

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/*
 * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
 * reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the NetLogic
 * license below:
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``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 NETLOGIC OR CONTRIBUTORS 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
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 * 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 ASM_RMI_MSIDEF_H
#define ASM_RMI_MSIDEF_H

/*
 * Constants for Intel APIC based MSI messages.
 * Adapted for the RMI XLR using identical defines
 */

/*
 * Shifts for MSI data
 */

#define MSI_DATA_VECTOR_SHIFT       0
#define  MSI_DATA_VECTOR_MASK       0x000000ff
#define  MSI_DATA_VECTOR(v)     (((v) << MSI_DATA_VECTOR_SHIFT) & \
                        MSI_DATA_VECTOR_MASK)

#define MSI_DATA_DELIVERY_MODE_SHIFT    8
#define  MSI_DATA_DELIVERY_FIXED    (0 << MSI_DATA_DELIVERY_MODE_SHIFT)
#define  MSI_DATA_DELIVERY_LOWPRI   (1 << MSI_DATA_DELIVERY_MODE_SHIFT)

#define MSI_DATA_LEVEL_SHIFT        14
#define  MSI_DATA_LEVEL_DEASSERT    (0 << MSI_DATA_LEVEL_SHIFT)
#define  MSI_DATA_LEVEL_ASSERT      (1 << MSI_DATA_LEVEL_SHIFT)

#define MSI_DATA_TRIGGER_SHIFT      15
#define  MSI_DATA_TRIGGER_EDGE      (0 << MSI_DATA_TRIGGER_SHIFT)
#define  MSI_DATA_TRIGGER_LEVEL     (1 << MSI_DATA_TRIGGER_SHIFT)

/*
 * Shift/mask fields for msi address
 */

#define MSI_ADDR_BASE_HI        0
#define MSI_ADDR_BASE_LO        0xfee00000

#define MSI_ADDR_DEST_MODE_SHIFT    2
#define  MSI_ADDR_DEST_MODE_PHYSICAL    (0 << MSI_ADDR_DEST_MODE_SHIFT)
#define  MSI_ADDR_DEST_MODE_LOGICAL (1 << MSI_ADDR_DEST_MODE_SHIFT)

#define MSI_ADDR_REDIRECTION_SHIFT  3
#define  MSI_ADDR_REDIRECTION_CPU   (0 << MSI_ADDR_REDIRECTION_SHIFT)
#define  MSI_ADDR_REDIRECTION_LOWPRI    (1 << MSI_ADDR_REDIRECTION_SHIFT)

#define MSI_ADDR_DEST_ID_SHIFT      12
#define  MSI_ADDR_DEST_ID_MASK      0x00ffff0
#define  MSI_ADDR_DEST_ID(dest)     (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \
                         MSI_ADDR_DEST_ID_MASK)

#endif /* ASM_RMI_MSIDEF_H */