1/* SPDX-License-Identifier: GPL-2.0-or-later
2 *
3 * This file is subject to the terms and conditions of the GNU General Public
4 * License.  See the file "COPYING" in the main directory of this archive
5 * for more details.
6 *
7 * Copyright (C) 2020 Hewlett Packard Enterprise Development LP. All rights reserved.
8 */
9
10#ifndef _ASM_UV_GEO_H
11#define _ASM_UV_GEO_H
12
13/* Type declarations */
14
15/* Size of a geoid_s structure (must be before decl. of geoid_u) */
16#define GEOID_SIZE	8
17
18/* Fields common to all substructures */
19struct geo_common_s {
20	unsigned char type;		/* What type of h/w is named by this geoid_s */
21	unsigned char blade;
22	unsigned char slot;		/* slot is IRU */
23	unsigned char upos;
24	unsigned char rack;
25};
26
27/* Additional fields for particular types of hardware */
28struct geo_node_s {
29	struct geo_common_s common;		/* No additional fields needed */
30};
31
32struct geo_rtr_s {
33	struct geo_common_s common;		/* No additional fields needed */
34};
35
36struct geo_iocntl_s {
37	struct geo_common_s common;		/* No additional fields needed */
38};
39
40struct geo_pcicard_s {
41	struct geo_iocntl_s common;
42	char bus;				/* Bus/widget number */
43	char slot;				/* PCI slot number */
44};
45
46/* Subcomponents of a node */
47struct geo_cpu_s {
48	struct geo_node_s node;
49	unsigned char	socket:4,	/* Which CPU on the node */
50			thread:4;
51	unsigned char	core;
52};
53
54struct geo_mem_s {
55	struct geo_node_s node;
56	char membus;			/* The memory bus on the node */
57	char memslot;			/* The memory slot on the bus */
58};
59
60union geoid_u {
61	struct geo_common_s common;
62	struct geo_node_s node;
63	struct geo_iocntl_s iocntl;
64	struct geo_pcicard_s pcicard;
65	struct geo_rtr_s rtr;
66	struct geo_cpu_s cpu;
67	struct geo_mem_s mem;
68	char padsize[GEOID_SIZE];
69};
70
71/* Defined constants */
72
73#define GEO_MAX_LEN	48
74
75#define GEO_TYPE_INVALID	0
76#define GEO_TYPE_MODULE		1
77#define GEO_TYPE_NODE		2
78#define GEO_TYPE_RTR		3
79#define GEO_TYPE_IOCNTL		4
80#define GEO_TYPE_IOCARD		5
81#define GEO_TYPE_CPU		6
82#define GEO_TYPE_MEM		7
83#define GEO_TYPE_MAX		(GEO_TYPE_MEM+1)
84
85static inline int geo_rack(union geoid_u g)
86{
87	return (g.common.type == GEO_TYPE_INVALID) ?
88		-1 : g.common.rack;
89}
90
91static inline int geo_slot(union geoid_u g)
92{
93	return (g.common.type == GEO_TYPE_INVALID) ?
94		-1 : g.common.upos;
95}
96
97static inline int geo_blade(union geoid_u g)
98{
99	return (g.common.type == GEO_TYPE_INVALID) ?
100		-1 : g.common.blade * 2 + g.common.slot;
101}
102
103#endif /* _ASM_UV_GEO_H */
104