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
6 * Copyright (C) 1992 - 1997, 2000-2003 Silicon Graphics, Inc. All rights reserved.
8 #ifndef _ASM_IA64_SN_MODULE_H
9 #define _ASM_IA64_SN_MODULE_H
11 #include <asm/sn/klconfig.h>
12 #include <asm/sn/ksys/elsc.h>
14 #define MODULE_MAX 128
15 #define MODULE_MAX_NODES 2
16 #define MODULE_HIST_CNT 16
17 #define MAX_MODULE_LEN 16
19 /* Well-known module IDs */
20 #define MODULE_UNKNOWN (-2) /* initial value of klconfig brd_module */
21 /* #define INVALID_MODULE (-1) ** generic invalid moduleid_t (arch.h) */
22 #define MODULE_NOT_SET 0 /* module ID not set in sys ctlrs. */
24 /* parameter for format_module_id() */
25 #define MODULE_FORMAT_BRIEF 1
26 #define MODULE_FORMAT_LONG 2
27 #define MODULE_FORMAT_LCD 3
32 * 31-16 Rack ID (encoded class, group, number - 16-bit unsigned int)
33 * 15-8 Brick type (8-bit ascii character)
34 * 7-0 Bay (brick position in rack (0-63) - 8-bit unsigned int)
39 * Macros for getting the brick type
41 #define MODULE_BTYPE_MASK 0xff00
42 #define MODULE_BTYPE_SHFT 8
43 #define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT)
44 #define MODULE_BT_TO_CHAR(_b) ((char)(_b))
45 #define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m)))
48 * Macros for getting the rack ID.
50 #define MODULE_RACK_MASK 0xffff0000
51 #define MODULE_RACK_SHFT 16
52 #define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT)
55 * Macros for getting the brick position
57 #define MODULE_BPOS_MASK 0x00ff
58 #define MODULE_BPOS_SHFT 0
59 #define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT)
62 * Macros for constructing moduleid_t's
64 #define RBT_TO_MODULE(_r, _b, _t) ((_r) << MODULE_RACK_SHFT | \
65 (_b) << MODULE_BPOS_SHFT | \
66 (_t) << MODULE_BTYPE_SHFT)
69 * Macros for encoding and decoding rack IDs
70 * A rack number consists of three parts:
71 * class (0==CPU/mixed, 1==I/O), group, number
73 * Rack number is stored just as it is displayed on the screen:
74 * a 3-decimal-digit number.
76 #define RACK_CLASS_DVDR 100
77 #define RACK_GROUP_DVDR 10
78 #define RACK_NUM_DVDR 1
80 #define RACK_CREATE_RACKID(_c, _g, _n) ((_c) * RACK_CLASS_DVDR + \
81 (_g) * RACK_GROUP_DVDR + (_n) * RACK_NUM_DVDR)
83 #define RACK_GET_CLASS(_r) ((_r) / RACK_CLASS_DVDR)
84 #define RACK_GET_GROUP(_r) (((_r) - RACK_GET_CLASS(_r) * \
85 RACK_CLASS_DVDR) / RACK_GROUP_DVDR)
86 #define RACK_GET_NUM(_r) (((_r) - RACK_GET_CLASS(_r) * \
87 RACK_CLASS_DVDR - RACK_GET_GROUP(_r) * \
88 RACK_GROUP_DVDR) / RACK_NUM_DVDR)
91 * Macros for encoding and decoding rack IDs
92 * A rack number consists of three parts:
93 * class 1 bit, 0==CPU/mixed, 1==I/O
94 * group 2 bits for CPU/mixed, 3 bits for I/O
95 * number 3 bits for CPU/mixed, 2 bits for I/O (1 based)
97 #define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2)
98 #define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3)
100 #define RACK_CLASS_MASK(_r) 0x20
101 #define RACK_CLASS_SHFT(_r) 5
102 #define RACK_ADD_CLASS(_r, _c) \
103 ((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r))
105 #define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r)
106 #define RACK_GROUP_MASK(_r) \
107 ( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) )
108 #define RACK_ADD_GROUP(_r, _g) \
109 ((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r))
111 #define RACK_NUM_SHFT(_r) 0
112 #define RACK_NUM_MASK(_r) \
113 ( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) )
114 #define RACK_ADD_NUM(_r, _n) \
115 ((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r))
119 * Brick type definitions
121 #define MAX_BRICK_TYPES 256 /* brick type is stored as uchar */
123 extern char brick_types[];
125 #define MODULE_CBRICK 0
126 #define MODULE_RBRICK 1
127 #define MODULE_IBRICK 2
128 #define MODULE_KBRICK 3
129 #define MODULE_XBRICK 4
130 #define MODULE_DBRICK 5
131 #define MODULE_PBRICK 6
132 #define MODULE_NBRICK 7
133 #define MODULE_PEBRICK 8
134 #define MODULE_PXBRICK 9
135 #define MODULE_IXBRICK 10
136 #define MODULE_CGBRICK 11
137 #define MODULE_OPUSBRICK 12
140 * Moduleid_t comparison macros
142 /* Don't compare the brick type: only the position is significant */
143 #define MODULE_CMP(_m1, _m2) (((_m1)&(MODULE_RACK_MASK|MODULE_BPOS_MASK)) -\
144 ((_m2)&(MODULE_RACK_MASK|MODULE_BPOS_MASK)))
145 #define MODULE_MATCH(_m1, _m2) (MODULE_CMP((_m1),(_m2)) == 0)
147 typedef struct module_s module_t;
150 moduleid_t id; /* Module ID of this module */
152 spinlock_t lock; /* Lock for this structure */
154 /* List of nodes in this module */
155 cnodeid_t nodes[MAX_SLABS + 1];
156 geoid_t geoid[MAX_SLABS + 1];
158 /* Fields for Module System Controller */
159 int mesgpend; /* Message pending */
160 int shutdown; /* Shutdown in progress */
161 time_t intrhist[MODULE_HIST_CNT];
164 int hbt_active; /* MSC heartbeat monitor active */
165 uint64_t hbt_last; /* RTC when last heartbeat sent */
167 /* Module serial number info */
169 char snum_str[MAX_SERIAL_NUM_SIZE]; /* used by CONFIG_SGI_IP27 */
170 uint64_t snum_int; /* used by speedo */
177 /* System serial number info (used by SN1) */
178 char sys_snum[MAX_SERIAL_NUM_SIZE];
183 extern module_t *modules[MODULE_MAX]; /* Indexed by cmoduleid_t */
184 extern int nummodules;
186 extern module_t *module_lookup(moduleid_t id);
188 extern int get_kmod_sys_snum(cmoduleid_t cmod,
191 extern void format_module_id(char *buffer, moduleid_t m, int fmt);
192 extern int parse_module_id(char *buffer);
198 #endif /* _ASM_IA64_SN_MODULE_H */