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, 2000-2002 Silicon Graphics, Inc. All rights reserved.
8 #ifndef _ASM_IA64_SN_MODULE_H
9 #define _ASM_IA64_SN_MODULE_H
16 #include <asm/sn/systeminfo.h>
17 #include <asm/sn/klconfig.h>
18 #include <asm/sn/ksys/elsc.h>
20 #define MODULE_MAX 128
21 #define MODULE_MAX_NODES 1
22 #define MODULE_HIST_CNT 16
23 #define MAX_MODULE_LEN 16
25 /* Well-known module IDs */
26 #define MODULE_UNKNOWN (-2) /* initial value of klconfig brd_module */
27 /* #define INVALID_MODULE (-1) ** generic invalid moduleid_t (arch.h) */
28 #define MODULE_NOT_SET 0 /* module ID not set in sys ctlrs. */
30 /* parameter for format_module_id() */
31 #define MODULE_FORMAT_BRIEF 1
32 #define MODULE_FORMAT_LONG 2
38 * 15-12 Brick type (enumerated)
39 * 11-6 Rack ID (encoded class, group, number)
40 * 5-0 Brick position in rack (0-63)
43 * Macros for getting the brick type
45 #define MODULE_BTYPE_MASK 0xf000
46 #define MODULE_BTYPE_SHFT 12
47 #define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT)
48 #define MODULE_BT_TO_CHAR(_b) (brick_types[(_b)])
49 #define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m)))
52 * Macros for getting the rack ID.
54 #define MODULE_RACK_MASK 0x0fc0
55 #define MODULE_RACK_SHFT 6
56 #define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT)
59 * Macros for getting the brick position
61 #define MODULE_BPOS_MASK 0x003f
62 #define MODULE_BPOS_SHFT 0
63 #define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT)
66 * Macros for constructing moduleid_t's
68 #define RBT_TO_MODULE(_r, _b, _t) ((_r) << MODULE_RACK_SHFT | \
69 (_b) << MODULE_BPOS_SHFT | \
70 (_t) << MODULE_BTYPE_SHFT)
73 * Macros for encoding and decoding rack IDs
74 * A rack number consists of three parts:
75 * class 1 bit, 0==CPU/mixed, 1==I/O
76 * group 2 bits for CPU/mixed, 3 bits for I/O
77 * number 3 bits for CPU/mixed, 2 bits for I/O (1 based)
79 #define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2)
80 #define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3)
82 #define RACK_CLASS_MASK(_r) 0x20
83 #define RACK_CLASS_SHFT(_r) 5
84 #define RACK_GET_CLASS(_r) \
85 (((_r) & RACK_CLASS_MASK(_r)) >> RACK_CLASS_SHFT(_r))
86 #define RACK_ADD_CLASS(_r, _c) \
87 ((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r))
89 #define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r)
90 #define RACK_GROUP_MASK(_r) \
91 ( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) )
92 #define RACK_GET_GROUP(_r) \
93 (((_r) & RACK_GROUP_MASK(_r)) >> RACK_GROUP_SHFT(_r))
94 #define RACK_ADD_GROUP(_r, _g) \
95 ((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r))
97 #define RACK_NUM_SHFT(_r) 0
98 #define RACK_NUM_MASK(_r) \
99 ( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) )
100 #define RACK_GET_NUM(_r) \
101 ( (((_r) & RACK_NUM_MASK(_r)) >> RACK_NUM_SHFT(_r)) + 1 )
102 #define RACK_ADD_NUM(_r, _n) \
103 ((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r))
106 * Brick type definitions
108 #define MAX_BRICK_TYPES 16 /* 1 << (MODULE_RACK_SHFT - MODULE_BTYPE_SHFT */
110 extern char brick_types[];
112 #define MODULE_CBRICK 0
113 #define MODULE_RBRICK 1
114 #define MODULE_IBRICK 2
115 #define MODULE_KBRICK 3
116 #define MODULE_XBRICK 4
117 #define MODULE_DBRICK 5
118 #define MODULE_PBRICK 6
121 * Moduleid_t comparison macros
123 /* Don't compare the brick type: only the position is significant */
124 #define MODULE_CMP(_m1, _m2) (((_m1)&(MODULE_RACK_MASK|MODULE_BPOS_MASK)) -\
125 ((_m2)&(MODULE_RACK_MASK|MODULE_BPOS_MASK)))
126 #define MODULE_MATCH(_m1, _m2) (MODULE_CMP((_m1),(_m2)) == 0)
128 typedef struct module_s module_t;
131 moduleid_t id; /* Module ID of this module */
133 spinlock_t lock; /* Lock for this structure */
135 /* List of nodes in this module */
136 cnodeid_t nodes[MODULE_MAX_NODES];
137 int nodecnt; /* Number of nodes in array */
139 /* Fields for Module System Controller */
140 int mesgpend; /* Message pending */
141 int shutdown; /* Shutdown in progress */
142 struct semaphore thdcnt; /* Threads finished counter */
147 time_t intrhist[MODULE_HIST_CNT];
150 int hbt_active; /* MSC heartbeat monitor active */
151 uint64_t hbt_last; /* RTC when last heartbeat sent */
153 /* Module serial number info */
155 char snum_str[MAX_SERIAL_NUM_SIZE]; /* used by CONFIG_SGI_IP27 */
156 uint64_t snum_int; /* used by speedo */
163 /* System serial number info (used by SN1) */
164 char sys_snum[MAX_SERIAL_NUM_SIZE];
169 extern module_t *modules[MODULE_MAX]; /* Indexed by cmoduleid_t */
170 extern int nummodules;
172 extern module_t *module_lookup(moduleid_t id);
174 extern elsc_t *get_elsc(void);
176 extern int get_kmod_info(cmoduleid_t cmod,
177 module_info_t *mod_info);
178 extern int get_kmod_sys_snum(cmoduleid_t cmod,
181 extern void format_module_id(char *buffer, moduleid_t m, int fmt);
182 extern int parse_module_id(char *buffer);
188 #endif /* _ASM_IA64_SN_MODULE_H */