1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /* 3 * Copyright 2014-2022 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 24 #ifndef __KFD_TOPOLOGY_H__ 25 #define __KFD_TOPOLOGY_H__ 26 27 #include <linux/types.h> 28 #include <linux/list.h> 29 #include <linux/kfd_sysfs.h> 30 #include "kfd_crat.h" 31 32 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32 33 34 struct kfd_node_properties { 35 uint64_t hive_id; 36 uint32_t cpu_cores_count; 37 uint32_t simd_count; 38 uint32_t mem_banks_count; 39 uint32_t caches_count; 40 uint32_t io_links_count; 41 uint32_t p2p_links_count; 42 uint32_t cpu_core_id_base; 43 uint32_t simd_id_base; 44 uint32_t capability; 45 uint32_t max_waves_per_simd; 46 uint32_t lds_size_in_kb; 47 uint32_t gds_size_in_kb; 48 uint32_t num_gws; 49 uint32_t wave_front_size; 50 uint32_t array_count; 51 uint32_t simd_arrays_per_engine; 52 uint32_t cu_per_simd_array; 53 uint32_t simd_per_cu; 54 uint32_t max_slots_scratch_cu; 55 uint32_t engine_id; 56 uint32_t gfx_target_version; 57 uint32_t vendor_id; 58 uint32_t device_id; 59 uint32_t location_id; 60 uint32_t domain; 61 uint32_t max_engine_clk_fcompute; 62 uint32_t max_engine_clk_ccompute; 63 int32_t drm_render_minor; 64 uint32_t num_sdma_engines; 65 uint32_t num_sdma_xgmi_engines; 66 uint32_t num_sdma_queues_per_engine; 67 uint32_t num_cp_queues; 68 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 69 }; 70 71 struct kfd_mem_properties { 72 struct list_head list; 73 uint32_t heap_type; 74 uint64_t size_in_bytes; 75 uint32_t flags; 76 uint32_t width; 77 uint32_t mem_clk_max; 78 struct kfd_dev *gpu; 79 struct kobject *kobj; 80 struct attribute attr; 81 }; 82 83 #define CACHE_SIBLINGMAP_SIZE 64 84 85 struct kfd_cache_properties { 86 struct list_head list; 87 uint32_t processor_id_low; 88 uint32_t cache_level; 89 uint32_t cache_size; 90 uint32_t cacheline_size; 91 uint32_t cachelines_per_tag; 92 uint32_t cache_assoc; 93 uint32_t cache_latency; 94 uint32_t cache_type; 95 uint8_t sibling_map[CACHE_SIBLINGMAP_SIZE]; 96 struct kfd_dev *gpu; 97 struct kobject *kobj; 98 struct attribute attr; 99 uint32_t sibling_map_size; 100 }; 101 102 struct kfd_iolink_properties { 103 struct list_head list; 104 uint32_t iolink_type; 105 uint32_t ver_maj; 106 uint32_t ver_min; 107 uint32_t node_from; 108 uint32_t node_to; 109 uint32_t weight; 110 uint32_t min_latency; 111 uint32_t max_latency; 112 uint32_t min_bandwidth; 113 uint32_t max_bandwidth; 114 uint32_t rec_transfer_size; 115 uint32_t flags; 116 struct kfd_dev *gpu; 117 struct kobject *kobj; 118 struct attribute attr; 119 }; 120 121 struct kfd_perf_properties { 122 struct list_head list; 123 char block_name[16]; 124 uint32_t max_concurrent; 125 struct attribute_group *attr_group; 126 }; 127 128 struct kfd_topology_device { 129 struct list_head list; 130 uint32_t gpu_id; 131 uint32_t proximity_domain; 132 struct kfd_node_properties node_props; 133 struct list_head mem_props; 134 struct list_head cache_props; 135 struct list_head io_link_props; 136 struct list_head p2p_link_props; 137 struct list_head perf_props; 138 struct kfd_dev *gpu; 139 struct kobject *kobj_node; 140 struct kobject *kobj_mem; 141 struct kobject *kobj_cache; 142 struct kobject *kobj_iolink; 143 struct kobject *kobj_p2plink; 144 struct kobject *kobj_perf; 145 struct attribute attr_gpuid; 146 struct attribute attr_name; 147 struct attribute attr_props; 148 uint8_t oem_id[CRAT_OEMID_LENGTH]; 149 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; 150 uint32_t oem_revision; 151 }; 152 153 struct kfd_system_properties { 154 uint32_t num_devices; /* Number of H-NUMA nodes */ 155 uint32_t generation_count; 156 uint64_t platform_oem; 157 uint64_t platform_id; 158 uint64_t platform_rev; 159 struct kobject *kobj_topology; 160 struct kobject *kobj_nodes; 161 struct attribute attr_genid; 162 struct attribute attr_props; 163 }; 164 165 struct kfd_topology_device *kfd_create_topology_device( 166 struct list_head *device_list); 167 void kfd_release_topology_device_list(struct list_head *device_list); 168 169 #endif /* __KFD_TOPOLOGY_H__ */ 170