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 cpu_core_id_base; 42 uint32_t simd_id_base; 43 uint32_t capability; 44 uint32_t max_waves_per_simd; 45 uint32_t lds_size_in_kb; 46 uint32_t gds_size_in_kb; 47 uint32_t num_gws; 48 uint32_t wave_front_size; 49 uint32_t array_count; 50 uint32_t simd_arrays_per_engine; 51 uint32_t cu_per_simd_array; 52 uint32_t simd_per_cu; 53 uint32_t max_slots_scratch_cu; 54 uint32_t engine_id; 55 uint32_t gfx_target_version; 56 uint32_t vendor_id; 57 uint32_t device_id; 58 uint32_t location_id; 59 uint32_t domain; 60 uint32_t max_engine_clk_fcompute; 61 uint32_t max_engine_clk_ccompute; 62 int32_t drm_render_minor; 63 uint32_t num_sdma_engines; 64 uint32_t num_sdma_xgmi_engines; 65 uint32_t num_sdma_queues_per_engine; 66 uint32_t num_cp_queues; 67 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 68 }; 69 70 struct kfd_mem_properties { 71 struct list_head list; 72 uint32_t heap_type; 73 uint64_t size_in_bytes; 74 uint32_t flags; 75 uint32_t width; 76 uint32_t mem_clk_max; 77 struct kfd_dev *gpu; 78 struct kobject *kobj; 79 struct attribute attr; 80 }; 81 82 struct kfd_cache_properties { 83 struct list_head list; 84 uint32_t processor_id_low; 85 uint32_t cache_level; 86 uint32_t cache_size; 87 uint32_t cacheline_size; 88 uint32_t cachelines_per_tag; 89 uint32_t cache_assoc; 90 uint32_t cache_latency; 91 uint32_t cache_type; 92 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; 93 struct kfd_dev *gpu; 94 struct kobject *kobj; 95 struct attribute attr; 96 }; 97 98 struct kfd_iolink_properties { 99 struct list_head list; 100 uint32_t iolink_type; 101 uint32_t ver_maj; 102 uint32_t ver_min; 103 uint32_t node_from; 104 uint32_t node_to; 105 uint32_t weight; 106 uint32_t min_latency; 107 uint32_t max_latency; 108 uint32_t min_bandwidth; 109 uint32_t max_bandwidth; 110 uint32_t rec_transfer_size; 111 uint32_t flags; 112 struct kfd_dev *gpu; 113 struct kobject *kobj; 114 struct attribute attr; 115 }; 116 117 struct kfd_perf_properties { 118 struct list_head list; 119 char block_name[16]; 120 uint32_t max_concurrent; 121 struct attribute_group *attr_group; 122 }; 123 124 struct kfd_topology_device { 125 struct list_head list; 126 uint32_t gpu_id; 127 uint32_t proximity_domain; 128 struct kfd_node_properties node_props; 129 struct list_head mem_props; 130 uint32_t cache_count; 131 struct list_head cache_props; 132 uint32_t io_link_count; 133 struct list_head io_link_props; 134 struct list_head perf_props; 135 struct kfd_dev *gpu; 136 struct kobject *kobj_node; 137 struct kobject *kobj_mem; 138 struct kobject *kobj_cache; 139 struct kobject *kobj_iolink; 140 struct kobject *kobj_perf; 141 struct attribute attr_gpuid; 142 struct attribute attr_name; 143 struct attribute attr_props; 144 uint8_t oem_id[CRAT_OEMID_LENGTH]; 145 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; 146 uint32_t oem_revision; 147 }; 148 149 struct kfd_system_properties { 150 uint32_t num_devices; /* Number of H-NUMA nodes */ 151 uint32_t generation_count; 152 uint64_t platform_oem; 153 uint64_t platform_id; 154 uint64_t platform_rev; 155 struct kobject *kobj_topology; 156 struct kobject *kobj_nodes; 157 struct attribute attr_genid; 158 struct attribute attr_props; 159 }; 160 161 struct kfd_topology_device *kfd_create_topology_device( 162 struct list_head *device_list); 163 void kfd_release_topology_device_list(struct list_head *device_list); 164 165 #endif /* __KFD_TOPOLOGY_H__ */ 166