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