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| 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 */ |
| 19 | struct 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 */ |
| 28 | struct geo_node_s { |
| 29 | struct geo_common_s common; /* No additional fields needed */ |
| 30 | }; |
| 31 | |
| 32 | struct geo_rtr_s { |
| 33 | struct geo_common_s common; /* No additional fields needed */ |
| 34 | }; |
| 35 | |
| 36 | struct geo_iocntl_s { |
| 37 | struct geo_common_s common; /* No additional fields needed */ |
| 38 | }; |
| 39 | |
| 40 | struct 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 */ |
| 47 | struct 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 | |
| 54 | struct 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 | |
| 60 | union 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 | |
| 85 | static inline int geo_rack(union geoid_u g) |
| 86 | { |
| 87 | return (g.common.type == GEO_TYPE_INVALID) ? |
| 88 | -1 : g.common.rack; |
| 89 | } |
| 90 | |
| 91 | static inline int geo_slot(union geoid_u g) |
| 92 | { |
| 93 | return (g.common.type == GEO_TYPE_INVALID) ? |
| 94 | -1 : g.common.upos; |
| 95 | } |
| 96 | |
| 97 | static 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 |
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