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 */ 128