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
16 #include <linux/config.h>
17 #include <asm/sn/systeminfo.h>
18 #include <asm/sn/klconfig.h>
19 #include <asm/sn/ksys/elsc.h>
21 #define MODULE_MAX 128
22 #define MODULE_MAX_NODES 2
23 #define MODULE_HIST_CNT 16
24 #define MAX_MODULE_LEN 16
26 /* Well-known module IDs */
27 #define MODULE_UNKNOWN (-2) /* initial value of klconfig brd_module */
28 /* #define INVALID_MODULE (-1) ** generic invalid moduleid_t (arch.h) */
29 #define MODULE_NOT_SET 0 /* module ID not set in sys ctlrs. */
31 /* parameter for format_module_id() */
32 #define MODULE_FORMAT_BRIEF 1
33 #define MODULE_FORMAT_LONG 2
38 * 31-16 Rack ID (encoded class, group, number - 16-bit unsigned int)
39 * 15-8 Brick type (8-bit ascii character)
40 * 7-0 Bay (brick position in rack (0-63) - 8-bit unsigned int)
45 * Macros for getting the brick type
47 #define MODULE_BTYPE_MASK 0xff00
48 #define MODULE_BTYPE_SHFT 8
49 #define MODULE_GET_BTYPE(_m) (((_m) & MODULE_BTYPE_MASK) >> MODULE_BTYPE_SHFT)
50 #define MODULE_BT_TO_CHAR(_b) ((char)(_b))
51 #define MODULE_GET_BTCHAR(_m) (MODULE_BT_TO_CHAR(MODULE_GET_BTYPE(_m)))
54 * Macros for getting the rack ID.
56 #define MODULE_RACK_MASK 0xffff0000
57 #define MODULE_RACK_SHFT 16
58 #define MODULE_GET_RACK(_m) (((_m) & MODULE_RACK_MASK) >> MODULE_RACK_SHFT)
61 * Macros for getting the brick position
63 #define MODULE_BPOS_MASK 0x00ff
64 #define MODULE_BPOS_SHFT 0
65 #define MODULE_GET_BPOS(_m) (((_m) & MODULE_BPOS_MASK) >> MODULE_BPOS_SHFT)
68 * Macros for constructing moduleid_t's
70 #define RBT_TO_MODULE(_r, _b, _t) ((_r) << MODULE_RACK_SHFT | \
71 (_b) << MODULE_BPOS_SHFT | \
72 (_t) << MODULE_BTYPE_SHFT)
75 * Macros for encoding and decoding rack IDs
76 * A rack number consists of three parts:
77 * class (0==CPU/mixed, 1==I/O), group, number
79 * Rack number is stored just as it is displayed on the screen:
80 * a 3-decimal-digit number.
82 #define RACK_CLASS_DVDR 100
83 #define RACK_GROUP_DVDR 10
84 #define RACK_NUM_DVDR 1
86 #define RACK_CREATE_RACKID(_c, _g, _n) ((_c) * RACK_CLASS_DVDR + \
87 (_g) * RACK_GROUP_DVDR + (_n) * RACK_NUM_DVDR)
89 #define RACK_GET_CLASS(_r) ((_r) / RACK_CLASS_DVDR)
90 #define RACK_GET_GROUP(_r) (((_r) - RACK_GET_CLASS(_r) * \
91 RACK_CLASS_DVDR) / RACK_GROUP_DVDR)
92 #define RACK_GET_NUM(_r) (((_r) - RACK_GET_CLASS(_r) * \
93 RACK_CLASS_DVDR - RACK_GET_GROUP(_r) * \
94 RACK_GROUP_DVDR) / RACK_NUM_DVDR)
97 * Macros for encoding and decoding rack IDs
98 * A rack number consists of three parts:
99 * class 1 bit, 0==CPU/mixed, 1==I/O
100 * group 2 bits for CPU/mixed, 3 bits for I/O
101 * number 3 bits for CPU/mixed, 2 bits for I/O (1 based)
103 #define RACK_GROUP_BITS(_r) (RACK_GET_CLASS(_r) ? 3 : 2)
104 #define RACK_NUM_BITS(_r) (RACK_GET_CLASS(_r) ? 2 : 3)
106 #define RACK_CLASS_MASK(_r) 0x20
107 #define RACK_CLASS_SHFT(_r) 5
108 #define RACK_ADD_CLASS(_r, _c) \
109 ((_r) |= (_c) << RACK_CLASS_SHFT(_r) & RACK_CLASS_MASK(_r))
111 #define RACK_GROUP_SHFT(_r) RACK_NUM_BITS(_r)
112 #define RACK_GROUP_MASK(_r) \
113 ( (((unsigned)1<<RACK_GROUP_BITS(_r)) - 1) << RACK_GROUP_SHFT(_r) )
114 #define RACK_ADD_GROUP(_r, _g) \
115 ((_r) |= (_g) << RACK_GROUP_SHFT(_r) & RACK_GROUP_MASK(_r))
117 #define RACK_NUM_SHFT(_r) 0
118 #define RACK_NUM_MASK(_r) \
119 ( (((unsigned)1<<RACK_NUM_BITS(_r)) - 1) << RACK_NUM_SHFT(_r) )
120 #define RACK_ADD_NUM(_r, _n) \
121 ((_r) |= ((_n) - 1) << RACK_NUM_SHFT(_r) & RACK_NUM_MASK(_r))
125 * Brick type definitions
127 #define MAX_BRICK_TYPES 256 /* brick type is stored as uchar */
129 extern char brick_types[];
131 #define MODULE_CBRICK 0
132 #define MODULE_RBRICK 1
133 #define MODULE_IBRICK 2
134 #define MODULE_KBRICK 3
135 #define MODULE_XBRICK 4
136 #define MODULE_DBRICK 5
137 #define MODULE_PBRICK 6
138 #define MODULE_NBRICK 7
139 #define MODULE_PEBRICK 8
140 #define MODULE_PXBRICK 9
141 #define MODULE_IXBRICK 10
144 * Moduleid_t comparison macros
146 /* Don't compare the brick type: only the position is significant */
147 #define MODULE_CMP(_m1, _m2) (((_m1)&(MODULE_RACK_MASK|MODULE_BPOS_MASK)) -\
148 ((_m2)&(MODULE_RACK_MASK|MODULE_BPOS_MASK)))
149 #define MODULE_MATCH(_m1, _m2) (MODULE_CMP((_m1),(_m2)) == 0)
151 typedef struct module_s module_t;
154 moduleid_t id; /* Module ID of this module */
156 spinlock_t lock; /* Lock for this structure */
158 /* List of nodes in this module */
159 cnodeid_t nodes[MODULE_MAX_NODES];
160 geoid_t geoid[MODULE_MAX_NODES];
163 } io[MODULE_MAX_NODES];
164 int nodecnt; /* Number of nodes in array */
165 /* Fields for Module System Controller */
166 int mesgpend; /* Message pending */
167 int shutdown; /* Shutdown in progress */
168 struct semaphore thdcnt; /* Threads finished counter */
169 time_t intrhist[MODULE_HIST_CNT];
172 int hbt_active; /* MSC heartbeat monitor active */
173 uint64_t hbt_last; /* RTC when last heartbeat sent */
175 /* Module serial number info */
177 char snum_str[MAX_SERIAL_NUM_SIZE]; /* used by CONFIG_SGI_IP27 */
178 uint64_t snum_int; /* used by speedo */
185 /* System serial number info (used by SN1) */
186 char sys_snum[MAX_SERIAL_NUM_SIZE];
191 extern module_t *modules[MODULE_MAX]; /* Indexed by cmoduleid_t */
192 extern int nummodules;
194 extern module_t *module_lookup(moduleid_t id);
196 extern int get_kmod_info(cmoduleid_t cmod,
197 module_info_t *mod_info);
198 extern int get_kmod_sys_snum(cmoduleid_t cmod,
201 extern void format_module_id(char *buffer, moduleid_t m, int fmt);
202 extern int parse_module_id(char *buffer);
208 #endif /* _ASM_IA64_SN_MODULE_H */