[IA64] SGI Altix : fix pcibr_dmamap_ate32() bug
[linux-block.git] / include / asm-ia64 / sn / 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 *
5b9021bc 6 * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.
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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
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21#define MAX_SLOTS 0xf /* slots per module */
22#define MAX_SLABS 0xf /* slabs per slot */
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23
24typedef unsigned char geo_type_t;
25
26/* Fields common to all substructures */
0985ea8f 27typedef struct geo_common_s {
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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 */
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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;
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33
34/* Additional fields for particular types of hardware */
35typedef struct geo_node_s {
0985ea8f 36 geo_common_t common; /* No additional fields needed */
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37} geo_node_t;
38
39typedef struct geo_rtr_s {
0985ea8f 40 geo_common_t common; /* No additional fields needed */
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41} geo_rtr_t;
42
43typedef struct geo_iocntl_s {
0985ea8f 44 geo_common_t common; /* No additional fields needed */
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45} geo_iocntl_t;
46
47typedef struct geo_pcicard_s {
0985ea8f 48 geo_iocntl_t common;
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49 char bus; /* Bus/widget number */
50 char slot; /* PCI slot number */
51} geo_pcicard_t;
52
53/* Subcomponents of a node */
54typedef struct geo_cpu_s {
55 geo_node_t node;
56 char slice; /* Which CPU on the node */
57} geo_cpu_t;
58
59typedef struct geo_mem_s {
60 geo_node_t node;
61 char membus; /* The memory bus on the node */
62 char memslot; /* The memory slot on the bus */
63} geo_mem_t;
64
65
66typedef union geoid_u {
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67 geo_common_t common;
68 geo_node_t node;
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69 geo_iocntl_t iocntl;
70 geo_pcicard_t pcicard;
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71 geo_rtr_t rtr;
72 geo_cpu_t cpu;
73 geo_mem_t mem;
74 char padsize[GEOID_SIZE];
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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>"
104
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
0985ea8f 109#define INVALID_SLOT (slotid_t)-1
1da177e4 110#define INVALID_MODULE ((moduleid_t)-1)
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111
112static inline slabid_t geo_slab(geoid_t g)
113{
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114 return (g.common.type == GEO_TYPE_INVALID) ?
115 INVALID_SLAB : g.common.slab;
116}
117
118static inline slotid_t geo_slot(geoid_t g)
119{
120 return (g.common.type == GEO_TYPE_INVALID) ?
121 INVALID_SLOT : g.common.slot;
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122}
123
124static inline moduleid_t geo_module(geoid_t g)
125{
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126 return (g.common.type == GEO_TYPE_INVALID) ?
127 INVALID_MODULE : g.common.module;
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128}
129
130extern geoid_t cnodeid_get_geoid(cnodeid_t cnode);
131
132#endif /* _ASM_IA64_SN_GEO_H */