kfd_topology.h revision 1.1
1 /* $NetBSD: kfd_topology.h,v 1.1 2018/08/27 01:34:46 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_priv.h" 31 32 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 128 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_RESERVED 0xfffff000 45 #define HSA_CAP_DOORBELL_PACKET_TYPE 0x00001000 46 47 struct kfd_node_properties { 48 uint32_t cpu_cores_count; 49 uint32_t simd_count; 50 uint32_t mem_banks_count; 51 uint32_t caches_count; 52 uint32_t io_links_count; 53 uint32_t cpu_core_id_base; 54 uint32_t simd_id_base; 55 uint32_t capability; 56 uint32_t max_waves_per_simd; 57 uint32_t lds_size_in_kb; 58 uint32_t gds_size_in_kb; 59 uint32_t wave_front_size; 60 uint32_t array_count; 61 uint32_t simd_arrays_per_engine; 62 uint32_t cu_per_simd_array; 63 uint32_t simd_per_cu; 64 uint32_t max_slots_scratch_cu; 65 uint32_t engine_id; 66 uint32_t vendor_id; 67 uint32_t device_id; 68 uint32_t location_id; 69 uint32_t max_engine_clk_fcompute; 70 uint32_t max_engine_clk_ccompute; 71 uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 72 }; 73 74 #define HSA_MEM_HEAP_TYPE_SYSTEM 0 75 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1 76 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2 77 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3 78 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4 79 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5 80 81 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001 82 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002 83 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc 84 85 struct kfd_mem_properties { 86 struct list_head list; 87 uint32_t heap_type; 88 uint64_t size_in_bytes; 89 uint32_t flags; 90 uint32_t width; 91 uint32_t mem_clk_max; 92 struct kobject *kobj; 93 struct attribute attr; 94 }; 95 96 #define KFD_TOPOLOGY_CPU_SIBLINGS 256 97 98 #define HSA_CACHE_TYPE_DATA 0x00000001 99 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002 100 #define HSA_CACHE_TYPE_CPU 0x00000004 101 #define HSA_CACHE_TYPE_HSACU 0x00000008 102 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0 103 104 struct kfd_cache_properties { 105 struct list_head list; 106 uint32_t processor_id_low; 107 uint32_t cache_level; 108 uint32_t cache_size; 109 uint32_t cacheline_size; 110 uint32_t cachelines_per_tag; 111 uint32_t cache_assoc; 112 uint32_t cache_latency; 113 uint32_t cache_type; 114 uint8_t sibling_map[KFD_TOPOLOGY_CPU_SIBLINGS]; 115 struct kobject *kobj; 116 struct attribute attr; 117 }; 118 119 struct kfd_iolink_properties { 120 struct list_head list; 121 uint32_t iolink_type; 122 uint32_t ver_maj; 123 uint32_t ver_min; 124 uint32_t node_from; 125 uint32_t node_to; 126 uint32_t weight; 127 uint32_t min_latency; 128 uint32_t max_latency; 129 uint32_t min_bandwidth; 130 uint32_t max_bandwidth; 131 uint32_t rec_transfer_size; 132 uint32_t flags; 133 struct kobject *kobj; 134 struct attribute attr; 135 }; 136 137 struct kfd_topology_device { 138 struct list_head list; 139 uint32_t gpu_id; 140 struct kfd_node_properties node_props; 141 uint32_t mem_bank_count; 142 struct list_head mem_props; 143 uint32_t cache_count; 144 struct list_head cache_props; 145 uint32_t io_link_count; 146 struct list_head io_link_props; 147 struct kfd_dev *gpu; 148 struct kobject *kobj_node; 149 struct kobject *kobj_mem; 150 struct kobject *kobj_cache; 151 struct kobject *kobj_iolink; 152 struct attribute attr_gpuid; 153 struct attribute attr_name; 154 struct attribute attr_props; 155 }; 156 157 struct kfd_system_properties { 158 uint32_t num_devices; /* Number of H-NUMA nodes */ 159 uint32_t generation_count; 160 uint64_t platform_oem; 161 uint64_t platform_id; 162 uint64_t platform_rev; 163 struct kobject *kobj_topology; 164 struct kobject *kobj_nodes; 165 struct attribute attr_genid; 166 struct attribute attr_props; 167 }; 168 169 170 171 #endif /* __KFD_TOPOLOGY_H__ */ 172
Indexes created Mon Oct 20 11:09:49 GMT 2025