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 "kfd_priv.h" 29 30 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 128 31 32 #define HSA_CAP_HOT_PLUGGABLE 0x00000001 33 #define HSA_CAP_ATS_PRESENT 0x00000002 34 #define HSA_CAP_SHARED_WITH_GRAPHICS 0x00000004 35 #define HSA_CAP_QUEUE_SIZE_POW2 0x00000008 36 #define HSA_CAP_QUEUE_SIZE_32BIT 0x00000010 37 #define HSA_CAP_QUEUE_IDLE_EVENT 0x00000020 38 #define HSA_CAP_VA_LIMIT 0x00000040 39 #define HSA_CAP_WATCH_POINTS_SUPPORTED 0x00000080 40 #define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00 41 #define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8 42 #define HSA_CAP_RESERVED 0xfffff000 43 #define HSA_CAP_DOORBELL_PACKET_TYPE 0x00001000 44 45 struct kfd_node_properties { 46 uint32_t cpu_cores_count; 47 uint32_t simd_count; 48 uint32_t mem_banks_count; 49 uint32_t caches_count; 50 uint32_t io_links_count; 51 uint32_t cpu_core_id_base; 52 uint32_t simd_id_base; 53 uint32_t capability; 54 uint32_t max_waves_per_simd; 55 uint32_t lds_size_in_kb; 56 uint32_t gds_size_in_kb; 57 uint32_t wave_front_size; 58 uint32_t array_count; 59 uint32_t simd_arrays_per_engine; 60 uint32_t cu_per_simd_array; 61 uint32_t simd_per_cu; 62 uint32_t max_slots_scratch_cu; 63 uint32_t engine_id; 64 uint32_t vendor_id; 65 uint32_t device_id; 66 uint32_t location_id; 67 uint32_t max_engine_clk_fcompute; 68 uint32_t max_engine_clk_ccompute; 69 uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 70 }; 71 72 #define HSA_MEM_HEAP_TYPE_SYSTEM 0 73 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1 74 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2 75 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3 76 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4 77 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5 78 79 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001 80 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002 81 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc 82 83 struct kfd_mem_properties { 84 struct list_head list; 85 uint32_t heap_type; 86 uint64_t size_in_bytes; 87 uint32_t flags; 88 uint32_t width; 89 uint32_t mem_clk_max; 90 struct kobject *kobj; 91 struct attribute attr; 92 }; 93 94 #define KFD_TOPOLOGY_CPU_SIBLINGS 256 95 96 #define HSA_CACHE_TYPE_DATA 0x00000001 97 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002 98 #define HSA_CACHE_TYPE_CPU 0x00000004 99 #define HSA_CACHE_TYPE_HSACU 0x00000008 100 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0 101 102 struct kfd_cache_properties { 103 struct list_head list; 104 uint32_t processor_id_low; 105 uint32_t cache_level; 106 uint32_t cache_size; 107 uint32_t cacheline_size; 108 uint32_t cachelines_per_tag; 109 uint32_t cache_assoc; 110 uint32_t cache_latency; 111 uint32_t cache_type; 112 uint8_t sibling_map[KFD_TOPOLOGY_CPU_SIBLINGS]; 113 struct kobject *kobj; 114 struct attribute attr; 115 }; 116 117 struct kfd_iolink_properties { 118 struct list_head list; 119 uint32_t iolink_type; 120 uint32_t ver_maj; 121 uint32_t ver_min; 122 uint32_t node_from; 123 uint32_t node_to; 124 uint32_t weight; 125 uint32_t min_latency; 126 uint32_t max_latency; 127 uint32_t min_bandwidth; 128 uint32_t max_bandwidth; 129 uint32_t rec_transfer_size; 130 uint32_t flags; 131 struct kobject *kobj; 132 struct attribute attr; 133 }; 134 135 struct kfd_topology_device { 136 struct list_head list; 137 uint32_t gpu_id; 138 struct kfd_node_properties node_props; 139 uint32_t mem_bank_count; 140 struct list_head mem_props; 141 uint32_t cache_count; 142 struct list_head cache_props; 143 uint32_t io_link_count; 144 struct list_head io_link_props; 145 struct kfd_dev *gpu; 146 struct kobject *kobj_node; 147 struct kobject *kobj_mem; 148 struct kobject *kobj_cache; 149 struct kobject *kobj_iolink; 150 struct attribute attr_gpuid; 151 struct attribute attr_name; 152 struct attribute attr_props; 153 }; 154 155 struct kfd_system_properties { 156 uint32_t num_devices; /* Number of H-NUMA nodes */ 157 uint32_t generation_count; 158 uint64_t platform_oem; 159 uint64_t platform_id; 160 uint64_t platform_rev; 161 struct kobject *kobj_topology; 162 struct kobject *kobj_nodes; 163 struct attribute attr_genid; 164 struct attribute attr_props; 165 }; 166 167 168 169 #endif /* __KFD_TOPOLOGY_H__ */ 170