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1da177e4 LT |
1 | /* |
2 | * This file is subject to the terms and conditions of the GNU General Public | |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. | |
7 | */ | |
8 | #ifndef _ASM_IA64_SN_MODULE_H | |
9 | #define _ASM_IA64_SN_MODULE_H | |
10 | ||
11 | /* parameter for format_module_id() */ | |
12 | #define MODULE_FORMAT_BRIEF 1 | |
13 | #define MODULE_FORMAT_LONG 2 | |
14 | #define MODULE_FORMAT_LCD 3 | |
15 | ||
16 | /* | |
17 | * Module id format | |
18 | * | |
19 | * 31-16 Rack ID (encoded class, group, number - 16-bit unsigned int) | |
20 | * 15-8 Brick type (8-bit ascii character) | |
21 | * 7-0 Bay (brick position in rack (0-63) - 8-bit unsigned int) | |
22 | * | |
23 | */ | |
24 | ||
25 | /* | |
26 | * Macros for getting the brick type | |
27 | */ | |
28 | #define MODULE_BTYPE_MASK 0xff00 | |
29 | #define MODULE_BTYPE_SHFT 8 | |
30 | #define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT) | |
31 | #define MODULE_BT_TO_CHAR(_b) ((char)(_b)) | |
32 | #define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m))) | |
33 | ||
34 | /* | |
35 | * Macros for getting the rack ID. | |
36 | */ | |
37 | #define MODULE_RACK_MASK 0xffff0000 | |
38 | #define MODULE_RACK_SHFT 16 | |
39 | #define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT) | |
40 | ||
41 | /* | |
42 | * Macros for getting the brick position | |
43 | */ | |
44 | #define MODULE_BPOS_MASK 0x00ff | |
45 | #define MODULE_BPOS_SHFT 0 | |
46 | #define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT) | |
47 | ||
48 | /* | |
49 | * Macros for encoding and decoding rack IDs | |
50 | * A rack number consists of three parts: | |
51 | * class (0==CPU/mixed, 1==I/O), group, number | |
52 | * | |
53 | * Rack number is stored just as it is displayed on the screen: | |
54 | * a 3-decimal-digit number. | |
55 | */ | |
56 | #define RACK_CLASS_DVDR 100 | |
57 | #define RACK_GROUP_DVDR 10 | |
58 | #define RACK_NUM_DVDR 1 | |
59 | ||
60 | #define RACK_CREATE_RACKID(_c, _g, _n) ((_c) * RACK_CLASS_DVDR + \ | |
61 | (_g) * RACK_GROUP_DVDR + (_n) * RACK_NUM_DVDR) | |
62 | ||
63 | #define RACK_GET_CLASS(_r) ((_r) / RACK_CLASS_DVDR) | |
64 | #define RACK_GET_GROUP(_r) (((_r) - RACK_GET_CLASS(_r) * \ | |
65 | RACK_CLASS_DVDR) / RACK_GROUP_DVDR) | |
66 | #define RACK_GET_NUM(_r) (((_r) - RACK_GET_CLASS(_r) * \ | |
67 | RACK_CLASS_DVDR - RACK_GET_GROUP(_r) * \ | |
68 | RACK_GROUP_DVDR) / RACK_NUM_DVDR) | |
69 | ||
70 | /* | |
71 | * Macros for encoding and decoding rack IDs | |
72 | * A rack number consists of three parts: | |
73 | * class 1 bit, 0==CPU/mixed, 1==I/O | |
74 | * group 2 bits for CPU/mixed, 3 bits for I/O | |
75 | * number 3 bits for CPU/mixed, 2 bits for I/O (1 based) | |
76 | */ | |
77 | #define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2) | |
78 | #define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3) | |
79 | ||
80 | #define RACK_CLASS_MASK(_r) 0x20 | |
81 | #define RACK_CLASS_SHFT(_r) 5 | |
82 | #define RACK_ADD_CLASS(_r, _c) \ | |
83 | ((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r)) | |
84 | ||
85 | #define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r) | |
86 | #define RACK_GROUP_MASK(_r) \ | |
87 | ( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) ) | |
88 | #define RACK_ADD_GROUP(_r, _g) \ | |
89 | ((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r)) | |
90 | ||
91 | #define RACK_NUM_SHFT(_r) 0 | |
92 | #define RACK_NUM_MASK(_r) \ | |
93 | ( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) ) | |
94 | #define RACK_ADD_NUM(_r, _n) \ | |
95 | ((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r)) | |
96 | ||
97 | ||
98 | /* | |
99 | * Brick type definitions | |
100 | */ | |
101 | #define MAX_BRICK_TYPES 256 /* brick type is stored as uchar */ | |
102 | ||
103 | extern char brick_types[]; | |
104 | ||
105 | #define MODULE_CBRICK 0 | |
106 | #define MODULE_RBRICK 1 | |
107 | #define MODULE_IBRICK 2 | |
108 | #define MODULE_KBRICK 3 | |
109 | #define MODULE_XBRICK 4 | |
110 | #define MODULE_DBRICK 5 | |
111 | #define MODULE_PBRICK 6 | |
112 | #define MODULE_NBRICK 7 | |
113 | #define MODULE_PEBRICK 8 | |
114 | #define MODULE_PXBRICK 9 | |
115 | #define MODULE_IXBRICK 10 | |
116 | #define MODULE_CGBRICK 11 | |
117 | #define MODULE_OPUSBRICK 12 | |
118 | #define MODULE_SABRICK 13 /* TIO BringUp Brick */ | |
119 | #define MODULE_IABRICK 14 | |
120 | #define MODULE_PABRICK 15 | |
121 | #define MODULE_GABRICK 16 | |
122 | #define MODULE_OPUS_TIO 17 /* OPUS TIO Riser */ | |
123 | ||
124 | extern char brick_types[]; | |
125 | extern void format_module_id(char *, moduleid_t, int); | |
126 | ||
127 | #endif /* _ASM_IA64_SN_MODULE_H */ |