LXR linux/arch/x86/include/asm/uv/uv

   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