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_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000 43 #define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12 44 #define HSA_CAP_RESERVED 0xffffc000 45 46 #define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0 47 #define HSA_CAP_DOORBELL_TYPE_1_0 0x1 48 #define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000 49 50 struct kfd_node_properties { 51 uint32_t cpu_cores_count; 52 uint32_t simd_count; 53 uint32_t mem_banks_count; 54 uint32_t caches_count; 55 uint32_t io_links_count; 56 uint32_t cpu_core_id_base; 57 uint32_t simd_id_base; 58 uint32_t capability; 59 uint32_t max_waves_per_simd; 60 uint32_t lds_size_in_kb; 61 uint32_t gds_size_in_kb; 62 uint32_t wave_front_size; 63 uint32_t array_count; 64 uint32_t simd_arrays_per_engine; 65 uint32_t cu_per_simd_array; 66 uint32_t simd_per_cu; 67 uint32_t max_slots_scratch_cu; 68 uint32_t engine_id; 69 uint32_t vendor_id; 70 uint32_t device_id; 71 uint32_t location_id; 72 uint32_t max_engine_clk_fcompute; 73 uint32_t max_engine_clk_ccompute; 74 uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE]; 75 }; 76 77 #define HSA_MEM_HEAP_TYPE_SYSTEM 0 78 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1 79 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2 80 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3 81 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4 82 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5 83 84 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001 85 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002 86 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc 87 88 struct kfd_mem_properties { 89 struct list_head list; 90 uint32_t heap_type; 91 uint64_t size_in_bytes; 92 uint32_t flags; 93 uint32_t width; 94 uint32_t mem_clk_max; 95 struct kobject *kobj; 96 struct attribute attr; 97 }; 98 99 #define HSA_CACHE_TYPE_DATA 0x00000001 100 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002 101 #define HSA_CACHE_TYPE_CPU 0x00000004 102 #define HSA_CACHE_TYPE_HSACU 0x00000008 103 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0 104 105 struct kfd_cache_properties { 106 struct list_head list; 107 uint32_t processor_id_low; 108 uint32_t cache_level; 109 uint32_t cache_size; 110 uint32_t cacheline_size; 111 uint32_t cachelines_per_tag; 112 uint32_t cache_assoc; 113 uint32_t cache_latency; 114 uint32_t cache_type; 115 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; 116 struct kobject *kobj; 117 struct attribute attr; 118 }; 119 120 struct kfd_iolink_properties { 121 struct list_head list; 122 uint32_t iolink_type; 123 uint32_t ver_maj; 124 uint32_t ver_min; 125 uint32_t node_from; 126 uint32_t node_to; 127 uint32_t weight; 128 uint32_t min_latency; 129 uint32_t max_latency; 130 uint32_t min_bandwidth; 131 uint32_t max_bandwidth; 132 uint32_t rec_transfer_size; 133 uint32_t flags; 134 struct kobject *kobj; 135 struct attribute attr; 136 }; 137 138 struct kfd_perf_properties { 139 struct list_head list; 140 char block_name[16]; 141 uint32_t max_concurrent; 142 struct attribute_group *attr_group; 143 }; 144 145 struct kfd_topology_device { 146 struct list_head list; 147 uint32_t gpu_id; 148 uint32_t proximity_domain; 149 struct kfd_node_properties node_props; 150 struct list_head mem_props; 151 uint32_t cache_count; 152 struct list_head cache_props; 153 uint32_t io_link_count; 154 struct list_head io_link_props; 155 struct list_head perf_props; 156 struct kfd_dev *gpu; 157 struct kobject *kobj_node; 158 struct kobject *kobj_mem; 159 struct kobject *kobj_cache; 160 struct kobject *kobj_iolink; 161 struct kobject *kobj_perf; 162 struct attribute attr_gpuid; 163 struct attribute attr_name; 164 struct attribute attr_props; 165 uint8_t oem_id[CRAT_OEMID_LENGTH]; 166 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; 167 uint32_t oem_revision; 168 }; 169 170 struct kfd_system_properties { 171 uint32_t num_devices; /* Number of H-NUMA nodes */ 172 uint32_t generation_count; 173 uint64_t platform_oem; 174 uint64_t platform_id; 175 uint64_t platform_rev; 176 struct kobject *kobj_topology; 177 struct kobject *kobj_nodes; 178 struct attribute attr_genid; 179 struct attribute attr_props; 180 }; 181 182 struct kfd_topology_device *kfd_create_topology_device( 183 struct list_head *device_list); 184 void kfd_release_topology_device_list(struct list_head *device_list); 185 186 extern bool amd_iommu_pc_supported(void); 187 extern u8 amd_iommu_pc_get_max_banks(u16 devid); 188 extern u8 amd_iommu_pc_get_max_counters(u16 devid); 189 190 #endif /* __KFD_TOPOLOGY_H__ */ 191