uv_geo.h

  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 */