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Diffstat (limited to 'arch/ia64/include/asm/sn/module.h')
| -rw-r--r-- | arch/ia64/include/asm/sn/module.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/module.h b/arch/ia64/include/asm/sn/module.h new file mode 100644 index 000000000..734e980ec --- /dev/null +++ b/arch/ia64/include/asm/sn/module.h @@ -0,0 +1,127 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. + */ +#ifndef _ASM_IA64_SN_MODULE_H +#define _ASM_IA64_SN_MODULE_H + +/* parameter for format_module_id() */ +#define MODULE_FORMAT_BRIEF 1 +#define MODULE_FORMAT_LONG 2 +#define MODULE_FORMAT_LCD 3 + +/* + * Module id format + * + * 31-16 Rack ID (encoded class, group, number - 16-bit unsigned int) + * 15-8 Brick type (8-bit ascii character) + * 7-0 Bay (brick position in rack (0-63) - 8-bit unsigned int) + * + */ + +/* + * Macros for getting the brick type + */ +#define MODULE_BTYPE_MASK 0xff00 +#define MODULE_BTYPE_SHFT 8 +#define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT) +#define MODULE_BT_TO_CHAR(_b) ((char)(_b)) +#define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m))) + +/* + * Macros for getting the rack ID. + */ +#define MODULE_RACK_MASK 0xffff0000 +#define MODULE_RACK_SHFT 16 +#define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT) + +/* + * Macros for getting the brick position + */ +#define MODULE_BPOS_MASK 0x00ff +#define MODULE_BPOS_SHFT 0 +#define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT) + +/* + * Macros for encoding and decoding rack IDs + * A rack number consists of three parts: + * class (0==CPU/mixed, 1==I/O), group, number + * + * Rack number is stored just as it is displayed on the screen: + * a 3-decimal-digit number. + */ +#define RACK_CLASS_DVDR 100 +#define RACK_GROUP_DVDR 10 +#define RACK_NUM_DVDR 1 + +#define RACK_CREATE_RACKID(_c, _g, _n) ((_c) * RACK_CLASS_DVDR + \ + (_g) * RACK_GROUP_DVDR + (_n) * RACK_NUM_DVDR) + +#define RACK_GET_CLASS(_r) ((_r) / RACK_CLASS_DVDR) +#define RACK_GET_GROUP(_r) (((_r) - RACK_GET_CLASS(_r) * \ + RACK_CLASS_DVDR) / RACK_GROUP_DVDR) +#define RACK_GET_NUM(_r) (((_r) - RACK_GET_CLASS(_r) * \ + RACK_CLASS_DVDR - RACK_GET_GROUP(_r) * \ + RACK_GROUP_DVDR) / RACK_NUM_DVDR) + +/* + * Macros for encoding and decoding rack IDs + * A rack number consists of three parts: + * class 1 bit, 0==CPU/mixed, 1==I/O + * group 2 bits for CPU/mixed, 3 bits for I/O + * number 3 bits for CPU/mixed, 2 bits for I/O (1 based) + */ +#define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2) +#define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3) + +#define RACK_CLASS_MASK(_r) 0x20 +#define RACK_CLASS_SHFT(_r) 5 +#define RACK_ADD_CLASS(_r, _c) \ + ((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r)) + +#define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r) +#define RACK_GROUP_MASK(_r) \ + ( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) ) +#define RACK_ADD_GROUP(_r, _g) \ + ((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r)) + +#define RACK_NUM_SHFT(_r) 0 +#define RACK_NUM_MASK(_r) \ + ( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) ) +#define RACK_ADD_NUM(_r, _n) \ + ((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r)) + + +/* + * Brick type definitions + */ +#define MAX_BRICK_TYPES 256 /* brick type is stored as uchar */ + +extern char brick_types[]; + +#define MODULE_CBRICK 0 +#define MODULE_RBRICK 1 +#define MODULE_IBRICK 2 +#define MODULE_KBRICK 3 +#define MODULE_XBRICK 4 +#define MODULE_DBRICK 5 +#define MODULE_PBRICK 6 +#define MODULE_NBRICK 7 +#define MODULE_PEBRICK 8 +#define MODULE_PXBRICK 9 +#define MODULE_IXBRICK 10 +#define MODULE_CGBRICK 11 +#define MODULE_OPUSBRICK 12 +#define MODULE_SABRICK 13 /* TIO BringUp Brick */ +#define MODULE_IABRICK 14 +#define MODULE_PABRICK 15 +#define MODULE_GABRICK 16 +#define MODULE_OPUS_TIO 17 /* OPUS TIO Riser */ + +extern char brick_types[]; +extern void format_module_id(char *, moduleid_t, int); + +#endif /* _ASM_IA64_SN_MODULE_H */ |