1 /* $NetBSD: kfd_topology.h,v 1.3 2021/12/18 23:44:59 riastradh Exp $ */ 2 3 /* 4 * Copyright 2014 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 #ifndef __KFD_TOPOLOGY_H__ 26 #define __KFD_TOPOLOGY_H__ 27 28 #include <linux/types.h> 29 #include <linux/list.h> 30 #include "kfd_crat.h" 31 32 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32 33 34 #define HSA_CAP_HOT_PLUGGABLE 0x00000001 35 #define HSA_CAP_ATS_PRESENT 0x00000002 36 #define HSA_CAP_SHARED_WITH_GRAPHICS 0x00000004 37 #define HSA_CAP_QUEUE_SIZE_POW2 0x00000008 38 #define HSA_CAP_QUEUE_SIZE_32BIT 0x00000010 39 #define HSA_CAP_QUEUE_IDLE_EVENT 0x00000020 40 #define HSA_CAP_VA_LIMIT 0x00000040 41 #define HSA_CAP_WATCH_POINTS_SUPPORTED 0x00000080 42 #define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00 43 #define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8 44 #define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000 45 #define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12 46 #define HSA_CAP_RESERVED 0xffffc000 47 48 #define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0 49 #define HSA_CAP_DOORBELL_TYPE_1_0 0x1 50 #define HSA_CAP_DOORBELL_TYPE_2_0 0x2 51 #define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000 52 53 #define HSA_CAP_SRAM_EDCSUPPORTED 0x00080000 54 #define HSA_CAP_MEM_EDCSUPPORTED 0x00100000 55 #define HSA_CAP_RASEVENTNOTIFY 0x00200000 56 57 struct kfd_node_properties { 58 uint64_t hive_id; 59 uint32_t cpu_cores_count; 60 uint32_t simd_count; 61 uint32_t mem_banks_count; 62 uint32_t caches_count; 63 uint32_t io_links_count; 64 uint32_t cpu_core_id_base; 65 uint32_t simd_id_base; 66 uint32_t capability; 67 uint32_t max_waves_per_simd; 68 uint32_t lds_size_in_kb; 69 uint32_t gds_size_in_kb; 70 uint32_t num_gws; 71 uint32_t wave_front_size; 72 uint32_t array_count; 73 uint32_t simd_arrays_per_engine; 74 uint32_t cu_per_simd_array; 75 uint32_t simd_per_cu; 76 uint32_t max_slots_scratch_cu; 77 uint32_t engine_id; 78 uint32_t vendor_id; 79 uint32_t device_id; 80 uint32_t location_id; 81 uint32_t max_engine_clk_fcompute; 82 uint32_t max_engine_clk_ccompute; 83 int32_t drm_render_minor; 84 uint32_t num_sdma_engines; 85 uint32_t num_sdma_xgmi_engines; 86 uint32_t num_sdma_queues_per_engine; 87 uint32_t num_cp_queues; 88 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 89 }; 90 91 #define HSA_MEM_HEAP_TYPE_SYSTEM 0 92 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1 93 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2 94 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3 95 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4 96 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5 97 98 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001 99 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002 100 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc 101 102 struct kfd_mem_properties { 103 struct list_head list; 104 uint32_t heap_type; 105 uint64_t size_in_bytes; 106 uint32_t flags; 107 uint32_t width; 108 uint32_t mem_clk_max; 109 struct kfd_dev *gpu; 110 struct kobject *kobj; 111 struct attribute attr; 112 }; 113 114 #define HSA_CACHE_TYPE_DATA 0x00000001 115 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002 116 #define HSA_CACHE_TYPE_CPU 0x00000004 117 #define HSA_CACHE_TYPE_HSACU 0x00000008 118 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0 119 120 struct kfd_cache_properties { 121 struct list_head list; 122 uint32_t processor_id_low; 123 uint32_t cache_level; 124 uint32_t cache_size; 125 uint32_t cacheline_size; 126 uint32_t cachelines_per_tag; 127 uint32_t cache_assoc; 128 uint32_t cache_latency; 129 uint32_t cache_type; 130 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; 131 struct kfd_dev *gpu; 132 struct kobject *kobj; 133 struct attribute attr; 134 }; 135 136 struct kfd_iolink_properties { 137 struct list_head list; 138 uint32_t iolink_type; 139 uint32_t ver_maj; 140 uint32_t ver_min; 141 uint32_t node_from; 142 uint32_t node_to; 143 uint32_t weight; 144 uint32_t min_latency; 145 uint32_t max_latency; 146 uint32_t min_bandwidth; 147 uint32_t max_bandwidth; 148 uint32_t rec_transfer_size; 149 uint32_t flags; 150 struct kfd_dev *gpu; 151 struct kobject *kobj; 152 struct attribute attr; 153 }; 154 155 struct kfd_perf_properties { 156 struct list_head list; 157 char block_name[16]; 158 uint32_t max_concurrent; 159 struct attribute_group *attr_group; 160 }; 161 162 struct kfd_topology_device { 163 struct list_head list; 164 uint32_t gpu_id; 165 uint32_t proximity_domain; 166 struct kfd_node_properties node_props; 167 struct list_head mem_props; 168 uint32_t cache_count; 169 struct list_head cache_props; 170 uint32_t io_link_count; 171 struct list_head io_link_props; 172 struct list_head perf_props; 173 struct kfd_dev *gpu; 174 struct kobject *kobj_node; 175 struct kobject *kobj_mem; 176 struct kobject *kobj_cache; 177 struct kobject *kobj_iolink; 178 struct kobject *kobj_perf; 179 struct attribute attr_gpuid; 180 struct attribute attr_name; 181 struct attribute attr_props; 182 uint8_t oem_id[CRAT_OEMID_LENGTH]; 183 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; 184 uint32_t oem_revision; 185 }; 186 187 struct kfd_system_properties { 188 uint32_t num_devices; /* Number of H-NUMA nodes */ 189 uint32_t generation_count; 190 uint64_t platform_oem; 191 uint64_t platform_id; 192 uint64_t platform_rev; 193 struct kobject *kobj_topology; 194 struct kobject *kobj_nodes; 195 struct attribute attr_genid; 196 struct attribute attr_props; 197 }; 198 199 struct kfd_topology_device *kfd_create_topology_device( 200 struct list_head *device_list); 201 void kfd_release_topology_device_list(struct list_head *device_list); 202 203 #endif /* __KFD_TOPOLOGY_H__ */ 204
Indexes created Mon Sep 22 13:09:51 GMT 2025