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geo.h
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1 /*
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
4  * for more details.
5  *
6  * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
7  */
8 
9 #ifndef _ASM_IA64_SN_GEO_H
10 #define _ASM_IA64_SN_GEO_H
11 
12 /* The geoid_t implementation below is based loosely on the pcfg_t
13  implementation in sys/SN/promcfg.h. */
14 
15 /* Type declaractions */
16 
17 /* Size of a geoid_t structure (must be before decl. of geoid_u) */
18 #define GEOID_SIZE 8 /* Would 16 be better? The size can
19  be different on different platforms. */
20 
21 #define MAX_SLOTS 0xf /* slots per module */
22 #define MAX_SLABS 0xf /* slabs per slot */
23 
24 typedef unsigned char geo_type_t;
25 
26 /* Fields common to all substructures */
27 typedef struct geo_common_s {
28  moduleid_t module; /* The module (box) this h/w lives in */
29  geo_type_t type; /* What type of h/w is named by this geoid_t */
30  slabid_t slab:4; /* slab (ASIC), 0 .. 15 within slot */
31  slotid_t slot:4; /* slot (Blade), 0 .. 15 within module */
32 } geo_common_t;
33 
34 /* Additional fields for particular types of hardware */
35 typedef struct geo_node_s {
36  geo_common_t common; /* No additional fields needed */
37 } geo_node_t;
38 
39 typedef struct geo_rtr_s {
40  geo_common_t common; /* No additional fields needed */
41 } geo_rtr_t;
42 
43 typedef struct geo_iocntl_s {
44  geo_common_t common; /* No additional fields needed */
45 } geo_iocntl_t;
46 
47 typedef struct geo_pcicard_s {
49  char bus; /* Bus/widget number */
50  char slot; /* PCI slot number */
52 
53 /* Subcomponents of a node */
54 typedef struct geo_cpu_s {
56  char slice; /* Which CPU on the node */
57 } geo_cpu_t;
58 
59 typedef struct geo_mem_s {
61  char membus; /* The memory bus on the node */
62  char memslot; /* The memory slot on the bus */
63 } geo_mem_t;
64 
65 
66 typedef union geoid_u {
74  char padsize[GEOID_SIZE];
75 } geoid_t;
76 
77 
78 /* Preprocessor macros */
79 
80 #define GEO_MAX_LEN 48 /* max. formatted length, plus some pad:
81  module/001c07/slab/5/node/memory/2/slot/4 */
82 
83 /* Values for geo_type_t */
84 #define GEO_TYPE_INVALID 0
85 #define GEO_TYPE_MODULE 1
86 #define GEO_TYPE_NODE 2
87 #define GEO_TYPE_RTR 3
88 #define GEO_TYPE_IOCNTL 4
89 #define GEO_TYPE_IOCARD 5
90 #define GEO_TYPE_CPU 6
91 #define GEO_TYPE_MEM 7
92 #define GEO_TYPE_MAX (GEO_TYPE_MEM+1)
93 
94 /* Parameter for hwcfg_format_geoid_compt() */
95 #define GEO_COMPT_MODULE 1
96 #define GEO_COMPT_SLAB 2
97 #define GEO_COMPT_IOBUS 3
98 #define GEO_COMPT_IOSLOT 4
99 #define GEO_COMPT_CPU 5
100 #define GEO_COMPT_MEMBUS 6
101 #define GEO_COMPT_MEMSLOT 7
102 
103 #define GEO_INVALID_STR "<invalid>"
105 #define INVALID_NASID ((nasid_t)-1)
106 #define INVALID_CNODEID ((cnodeid_t)-1)
107 #define INVALID_PNODEID ((pnodeid_t)-1)
108 #define INVALID_SLAB (slabid_t)-1
109 #define INVALID_SLOT (slotid_t)-1
110 #define INVALID_MODULE ((moduleid_t)-1)
111 
112 static inline slabid_t geo_slab(geoid_t g)
113 {
114  return (g.common.type == GEO_TYPE_INVALID) ?
116 }
117 
118 static inline slotid_t geo_slot(geoid_t g)
119 {
120  return (g.common.type == GEO_TYPE_INVALID) ?
122 }
123 
124 static inline moduleid_t geo_module(geoid_t g)
125 {
126  return (g.common.type == GEO_TYPE_INVALID) ?
128 }
129 
130 extern geoid_t cnodeid_get_geoid(cnodeid_t cnode);
131 
132 #endif /* _ASM_IA64_SN_GEO_H */