1 /*
2  * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
3  * reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the NetLogic
9  * license below:
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in
19  *    the documentation and/or other materials provided with the
20  *    distribution.
21  *
22  * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
29  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
31  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
32  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef ASM_RMI_MSIDEF_H
36 #define ASM_RMI_MSIDEF_H
37 
38 /*
39  * Constants for Intel APIC based MSI messages.
40  * Adapted for the RMI XLR using identical defines
41  */
42 
43 /*
44  * Shifts for MSI data
45  */
46 
47 #define MSI_DATA_VECTOR_SHIFT		0
48 #define	 MSI_DATA_VECTOR_MASK		0x000000ff
49 #define	 MSI_DATA_VECTOR(v)		(((v) << MSI_DATA_VECTOR_SHIFT) & \
50 						MSI_DATA_VECTOR_MASK)
51 
52 #define MSI_DATA_DELIVERY_MODE_SHIFT	8
53 #define	 MSI_DATA_DELIVERY_FIXED	(0 << MSI_DATA_DELIVERY_MODE_SHIFT)
54 #define	 MSI_DATA_DELIVERY_LOWPRI	(1 << MSI_DATA_DELIVERY_MODE_SHIFT)
55 
56 #define MSI_DATA_LEVEL_SHIFT		14
57 #define	 MSI_DATA_LEVEL_DEASSERT	(0 << MSI_DATA_LEVEL_SHIFT)
58 #define	 MSI_DATA_LEVEL_ASSERT		(1 << MSI_DATA_LEVEL_SHIFT)
59 
60 #define MSI_DATA_TRIGGER_SHIFT		15
61 #define	 MSI_DATA_TRIGGER_EDGE		(0 << MSI_DATA_TRIGGER_SHIFT)
62 #define	 MSI_DATA_TRIGGER_LEVEL		(1 << MSI_DATA_TRIGGER_SHIFT)
63 
64 /*
65  * Shift/mask fields for msi address
66  */
67 
68 #define MSI_ADDR_BASE_HI		0
69 #define MSI_ADDR_BASE_LO		0xfee00000
70 
71 #define MSI_ADDR_DEST_MODE_SHIFT	2
72 #define	 MSI_ADDR_DEST_MODE_PHYSICAL	(0 << MSI_ADDR_DEST_MODE_SHIFT)
73 #define	 MSI_ADDR_DEST_MODE_LOGICAL	(1 << MSI_ADDR_DEST_MODE_SHIFT)
74 
75 #define MSI_ADDR_REDIRECTION_SHIFT	3
76 #define	 MSI_ADDR_REDIRECTION_CPU	(0 << MSI_ADDR_REDIRECTION_SHIFT)
77 #define	 MSI_ADDR_REDIRECTION_LOWPRI	(1 << MSI_ADDR_REDIRECTION_SHIFT)
78 
79 #define MSI_ADDR_DEST_ID_SHIFT		12
80 #define	 MSI_ADDR_DEST_ID_MASK		0x00ffff0
81 #define	 MSI_ADDR_DEST_ID(dest)		(((dest) << MSI_ADDR_DEST_ID_SHIFT) & \
82 						 MSI_ADDR_DEST_ID_MASK)
83 
84 #endif /* ASM_RMI_MSIDEF_H */
85