1 /* $NetBSD: discovery.h,v 1.2 2021/12/18 23:45:08 riastradh Exp $ */ 2 3 /* 4 * Copyright 2018 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 */ 25 26 #ifndef _DISCOVERY_H_ 27 #define _DISCOVERY_H_ 28 29 #define PSP_HEADER_SIZE 256 30 #define BINARY_SIGNATURE 0x28211407 31 #define DISCOVERY_TABLE_SIGNATURE 0x53445049 32 33 typedef enum 34 { 35 IP_DISCOVERY = 0, 36 GC, 37 HARVEST_INFO, 38 TABLE_4, 39 RESERVED_1, 40 RESERVED_2, 41 TOTAL_TABLES = 6 42 } table; 43 44 #pragma pack(1) 45 46 typedef struct table_info 47 { 48 uint16_t offset; /* Byte offset */ 49 uint16_t checksum; /* Byte sum of the table */ 50 uint16_t size; /* Table size */ 51 uint16_t padding; 52 } table_info; 53 54 typedef struct binary_header 55 { 56 /* psp structure should go at the top of this structure */ 57 uint32_t binary_signature; /* 0x7, 0x14, 0x21, 0x28 */ 58 uint16_t version_major; 59 uint16_t version_minor; 60 uint16_t binary_checksum; /* Byte sum of the binary after this field */ 61 uint16_t binary_size; /* Binary Size*/ 62 table_info table_list[TOTAL_TABLES]; 63 } binary_header; 64 65 typedef struct die_info 66 { 67 uint16_t die_id; 68 uint16_t die_offset; /* Points to the corresponding die_header structure */ 69 } die_info; 70 71 72 typedef struct ip_discovery_header 73 { 74 uint32_t signature; /* Table Signature */ 75 uint16_t version; /* Table Version */ 76 uint16_t size; /* Table Size */ 77 uint32_t id; /* Table ID */ 78 uint16_t num_dies; /* Number of Dies */ 79 die_info die_info[16]; /* list die information for up to 16 dies */ 80 uint16_t padding[1]; /* padding */ 81 } ip_discovery_header; 82 83 typedef struct ip 84 { 85 uint16_t hw_id; /* Hardware ID */ 86 uint8_t number_instance; /* instance of the IP */ 87 uint8_t num_base_address; /* Number of Base Addresses */ 88 uint8_t major; /* HCID Major */ 89 uint8_t minor; /* HCID Minor */ 90 uint8_t revision; /* HCID Revision */ 91 #if defined(__BIG_ENDIAN) 92 uint8_t reserved : 4; /* Placeholder field */ 93 uint8_t harvest : 4; /* Harvest */ 94 #else 95 uint8_t harvest : 4; /* Harvest */ 96 uint8_t reserved : 4; /* Placeholder field */ 97 #endif 98 uint32_t base_address[1]; /* variable number of Addresses */ 99 } ip; 100 101 typedef struct die_header 102 { 103 uint16_t die_id; 104 uint16_t num_ips; 105 } die_header; 106 107 typedef struct ip_structure 108 { 109 ip_discovery_header* header; 110 struct die 111 { 112 die_header *die_header; 113 ip *ip_list; 114 } die; 115 } ip_structure; 116 117 struct gpu_info_header { 118 uint32_t table_id; /* table ID */ 119 uint16_t version_major; /* table version */ 120 uint16_t version_minor; /* table version */ 121 uint32_t size; /* size of the entire header+data in bytes */ 122 }; 123 124 struct gc_info_v1_0 { 125 struct gpu_info_header header; 126 127 uint32_t gc_num_se; 128 uint32_t gc_num_wgp0_per_sa; 129 uint32_t gc_num_wgp1_per_sa; 130 uint32_t gc_num_rb_per_se; 131 uint32_t gc_num_gl2c; 132 uint32_t gc_num_gprs; 133 uint32_t gc_num_max_gs_thds; 134 uint32_t gc_gs_table_depth; 135 uint32_t gc_gsprim_buff_depth; 136 uint32_t gc_parameter_cache_depth; 137 uint32_t gc_double_offchip_lds_buffer; 138 uint32_t gc_wave_size; 139 uint32_t gc_max_waves_per_simd; 140 uint32_t gc_max_scratch_slots_per_cu; 141 uint32_t gc_lds_size; 142 uint32_t gc_num_sc_per_se; 143 uint32_t gc_num_sa_per_se; 144 uint32_t gc_num_packer_per_sc; 145 uint32_t gc_num_gl2a; 146 }; 147 148 typedef struct harvest_info_header { 149 uint32_t signature; /* Table Signature */ 150 uint32_t version; /* Table Version */ 151 } harvest_info_header; 152 153 typedef struct harvest_info { 154 uint16_t hw_id; /* Hardware ID */ 155 uint8_t number_instance; /* Instance of the IP */ 156 uint8_t reserved; /* Reserved for alignment */ 157 } harvest_info; 158 159 typedef struct harvest_table { 160 harvest_info_header header; 161 harvest_info list[32]; 162 } harvest_table; 163 164 #pragma pack() 165 166 #endif 167