128 lines
4 KiB
C
128 lines
4 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.
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*/
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#ifndef _ASM_IA64_SN_MODULE_H
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#define _ASM_IA64_SN_MODULE_H
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/* parameter for format_module_id() */
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#define MODULE_FORMAT_BRIEF 1
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#define MODULE_FORMAT_LONG 2
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#define MODULE_FORMAT_LCD 3
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/*
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* Module id format
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*
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* 31-16 Rack ID (encoded class, group, number - 16-bit unsigned int)
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* 15-8 Brick type (8-bit ascii character)
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* 7-0 Bay (brick position in rack (0-63) - 8-bit unsigned int)
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*
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*/
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/*
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* Macros for getting the brick type
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*/
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#define MODULE_BTYPE_MASK 0xff00
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#define MODULE_BTYPE_SHFT 8
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#define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT)
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#define MODULE_BT_TO_CHAR(_b) ((char)(_b))
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#define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m)))
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/*
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* Macros for getting the rack ID.
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*/
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#define MODULE_RACK_MASK 0xffff0000
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#define MODULE_RACK_SHFT 16
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#define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT)
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/*
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* Macros for getting the brick position
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*/
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#define MODULE_BPOS_MASK 0x00ff
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#define MODULE_BPOS_SHFT 0
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#define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT)
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/*
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* Macros for encoding and decoding rack IDs
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* A rack number consists of three parts:
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* class (0==CPU/mixed, 1==I/O), group, number
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*
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* Rack number is stored just as it is displayed on the screen:
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* a 3-decimal-digit number.
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*/
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#define RACK_CLASS_DVDR 100
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#define RACK_GROUP_DVDR 10
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#define RACK_NUM_DVDR 1
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#define RACK_CREATE_RACKID(_c, _g, _n) ((_c) * RACK_CLASS_DVDR + \
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(_g) * RACK_GROUP_DVDR + (_n) * RACK_NUM_DVDR)
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#define RACK_GET_CLASS(_r) ((_r) / RACK_CLASS_DVDR)
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#define RACK_GET_GROUP(_r) (((_r) - RACK_GET_CLASS(_r) * \
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RACK_CLASS_DVDR) / RACK_GROUP_DVDR)
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#define RACK_GET_NUM(_r) (((_r) - RACK_GET_CLASS(_r) * \
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RACK_CLASS_DVDR - RACK_GET_GROUP(_r) * \
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RACK_GROUP_DVDR) / RACK_NUM_DVDR)
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/*
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* Macros for encoding and decoding rack IDs
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* A rack number consists of three parts:
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* class 1 bit, 0==CPU/mixed, 1==I/O
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* group 2 bits for CPU/mixed, 3 bits for I/O
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* number 3 bits for CPU/mixed, 2 bits for I/O (1 based)
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*/
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#define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2)
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#define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3)
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#define RACK_CLASS_MASK(_r) 0x20
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#define RACK_CLASS_SHFT(_r) 5
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#define RACK_ADD_CLASS(_r, _c) \
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((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r))
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#define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r)
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#define RACK_GROUP_MASK(_r) \
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( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) )
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#define RACK_ADD_GROUP(_r, _g) \
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((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r))
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#define RACK_NUM_SHFT(_r) 0
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#define RACK_NUM_MASK(_r) \
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( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) )
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#define RACK_ADD_NUM(_r, _n) \
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((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r))
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/*
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* Brick type definitions
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*/
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#define MAX_BRICK_TYPES 256 /* brick type is stored as uchar */
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extern char brick_types[];
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#define MODULE_CBRICK 0
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#define MODULE_RBRICK 1
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#define MODULE_IBRICK 2
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#define MODULE_KBRICK 3
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#define MODULE_XBRICK 4
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#define MODULE_DBRICK 5
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#define MODULE_PBRICK 6
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#define MODULE_NBRICK 7
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#define MODULE_PEBRICK 8
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#define MODULE_PXBRICK 9
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#define MODULE_IXBRICK 10
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#define MODULE_CGBRICK 11
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#define MODULE_OPUSBRICK 12
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#define MODULE_SABRICK 13 /* TIO BringUp Brick */
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#define MODULE_IABRICK 14
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#define MODULE_PABRICK 15
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#define MODULE_GABRICK 16
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#define MODULE_OPUS_TIO 17 /* OPUS TIO Riser */
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extern char brick_types[];
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extern void format_module_id(char *, moduleid_t, int);
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#endif /* _ASM_IA64_SN_MODULE_H */
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