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
24typedef unsigned char	geo_type_t;
25
26/* Fields common to all substructures */
27typedef 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 */
35typedef struct geo_node_s {
36    geo_common_t	common;		/* No additional fields needed */
37} geo_node_t;
38
39typedef struct geo_rtr_s {
40    geo_common_t	common;		/* No additional fields needed */
41} geo_rtr_t;
42
43typedef struct geo_iocntl_s {
44    geo_common_t	common;		/* No additional fields needed */
45} geo_iocntl_t;
46
47typedef struct geo_pcicard_s {
48    geo_iocntl_t	common;
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 {
67    geo_common_t	common;
68    geo_node_t		node;
69    geo_iocntl_t	iocntl;
70    geo_pcicard_t	pcicard;
71    geo_rtr_t		rtr;
72    geo_cpu_t		cpu;
73    geo_mem_t		mem;
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>"
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
109#define INVALID_SLOT            (slotid_t)-1
110#define INVALID_MODULE          ((moduleid_t)-1)
111
112static inline slabid_t geo_slab(geoid_t g)
113{
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;
122}
123
124static inline moduleid_t geo_module(geoid_t g)
125{
126	return (g.common.type == GEO_TYPE_INVALID) ?
127		INVALID_MODULE : g.common.module;
128}
129
130extern geoid_t cnodeid_get_geoid(cnodeid_t cnode);
131
132#endif /* _ASM_IA64_SN_GEO_H */
133