kfd_topology.h revision 1.3 1 /* $NetBSD: kfd_topology.h,v 1.3 2021/12/18 23:44:59 riastradh Exp $ */
2
3 /*
4 * Copyright 2014 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #ifndef __KFD_TOPOLOGY_H__
26 #define __KFD_TOPOLOGY_H__
27
28 #include <linux/types.h>
29 #include <linux/list.h>
30 #include "kfd_crat.h"
31
32 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
33
34 #define HSA_CAP_HOT_PLUGGABLE 0x00000001
35 #define HSA_CAP_ATS_PRESENT 0x00000002
36 #define HSA_CAP_SHARED_WITH_GRAPHICS 0x00000004
37 #define HSA_CAP_QUEUE_SIZE_POW2 0x00000008
38 #define HSA_CAP_QUEUE_SIZE_32BIT 0x00000010
39 #define HSA_CAP_QUEUE_IDLE_EVENT 0x00000020
40 #define HSA_CAP_VA_LIMIT 0x00000040
41 #define HSA_CAP_WATCH_POINTS_SUPPORTED 0x00000080
42 #define HSA_CAP_WATCH_POINTS_TOTALBITS_MASK 0x00000f00
43 #define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8
44 #define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000
45 #define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12
46 #define HSA_CAP_RESERVED 0xffffc000
47
48 #define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0
49 #define HSA_CAP_DOORBELL_TYPE_1_0 0x1
50 #define HSA_CAP_DOORBELL_TYPE_2_0 0x2
51 #define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000
52
53 #define HSA_CAP_SRAM_EDCSUPPORTED 0x00080000
54 #define HSA_CAP_MEM_EDCSUPPORTED 0x00100000
55 #define HSA_CAP_RASEVENTNOTIFY 0x00200000
56
57 struct kfd_node_properties {
58 uint64_t hive_id;
59 uint32_t cpu_cores_count;
60 uint32_t simd_count;
61 uint32_t mem_banks_count;
62 uint32_t caches_count;
63 uint32_t io_links_count;
64 uint32_t cpu_core_id_base;
65 uint32_t simd_id_base;
66 uint32_t capability;
67 uint32_t max_waves_per_simd;
68 uint32_t lds_size_in_kb;
69 uint32_t gds_size_in_kb;
70 uint32_t num_gws;
71 uint32_t wave_front_size;
72 uint32_t array_count;
73 uint32_t simd_arrays_per_engine;
74 uint32_t cu_per_simd_array;
75 uint32_t simd_per_cu;
76 uint32_t max_slots_scratch_cu;
77 uint32_t engine_id;
78 uint32_t vendor_id;
79 uint32_t device_id;
80 uint32_t location_id;
81 uint32_t max_engine_clk_fcompute;
82 uint32_t max_engine_clk_ccompute;
83 int32_t drm_render_minor;
84 uint32_t num_sdma_engines;
85 uint32_t num_sdma_xgmi_engines;
86 uint32_t num_sdma_queues_per_engine;
87 uint32_t num_cp_queues;
88 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
89 };
90
91 #define HSA_MEM_HEAP_TYPE_SYSTEM 0
92 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1
93 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2
94 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3
95 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4
96 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5
97
98 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001
99 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002
100 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc
101
102 struct kfd_mem_properties {
103 struct list_head list;
104 uint32_t heap_type;
105 uint64_t size_in_bytes;
106 uint32_t flags;
107 uint32_t width;
108 uint32_t mem_clk_max;
109 struct kfd_dev *gpu;
110 struct kobject *kobj;
111 struct attribute attr;
112 };
113
114 #define HSA_CACHE_TYPE_DATA 0x00000001
115 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002
116 #define HSA_CACHE_TYPE_CPU 0x00000004
117 #define HSA_CACHE_TYPE_HSACU 0x00000008
118 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0
119
120 struct kfd_cache_properties {
121 struct list_head list;
122 uint32_t processor_id_low;
123 uint32_t cache_level;
124 uint32_t cache_size;
125 uint32_t cacheline_size;
126 uint32_t cachelines_per_tag;
127 uint32_t cache_assoc;
128 uint32_t cache_latency;
129 uint32_t cache_type;
130 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE];
131 struct kfd_dev *gpu;
132 struct kobject *kobj;
133 struct attribute attr;
134 };
135
136 struct kfd_iolink_properties {
137 struct list_head list;
138 uint32_t iolink_type;
139 uint32_t ver_maj;
140 uint32_t ver_min;
141 uint32_t node_from;
142 uint32_t node_to;
143 uint32_t weight;
144 uint32_t min_latency;
145 uint32_t max_latency;
146 uint32_t min_bandwidth;
147 uint32_t max_bandwidth;
148 uint32_t rec_transfer_size;
149 uint32_t flags;
150 struct kfd_dev *gpu;
151 struct kobject *kobj;
152 struct attribute attr;
153 };
154
155 struct kfd_perf_properties {
156 struct list_head list;
157 char block_name[16];
158 uint32_t max_concurrent;
159 struct attribute_group *attr_group;
160 };
161
162 struct kfd_topology_device {
163 struct list_head list;
164 uint32_t gpu_id;
165 uint32_t proximity_domain;
166 struct kfd_node_properties node_props;
167 struct list_head mem_props;
168 uint32_t cache_count;
169 struct list_head cache_props;
170 uint32_t io_link_count;
171 struct list_head io_link_props;
172 struct list_head perf_props;
173 struct kfd_dev *gpu;
174 struct kobject *kobj_node;
175 struct kobject *kobj_mem;
176 struct kobject *kobj_cache;
177 struct kobject *kobj_iolink;
178 struct kobject *kobj_perf;
179 struct attribute attr_gpuid;
180 struct attribute attr_name;
181 struct attribute attr_props;
182 uint8_t oem_id[CRAT_OEMID_LENGTH];
183 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH];
184 uint32_t oem_revision;
185 };
186
187 struct kfd_system_properties {
188 uint32_t num_devices; /* Number of H-NUMA nodes */
189 uint32_t generation_count;
190 uint64_t platform_oem;
191 uint64_t platform_id;
192 uint64_t platform_rev;
193 struct kobject *kobj_topology;
194 struct kobject *kobj_nodes;
195 struct attribute attr_genid;
196 struct attribute attr_props;
197 };
198
199 struct kfd_topology_device *kfd_create_topology_device(
200 struct list_head *device_list);
201 void kfd_release_topology_device_list(struct list_head *device_list);
202
203 #endif /* __KFD_TOPOLOGY_H__ */
204