1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
3 * Copyright 2014-2022 Advanced Micro Devices, Inc.
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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.
24 #ifndef __KFD_TOPOLOGY_H__
25 #define __KFD_TOPOLOGY_H__
27 #include <linux/types.h>
28 #include <linux/list.h>
29 #include <linux/kfd_sysfs.h>
32 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
34 #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX9 6
35 #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX9_4_3 7
36 #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_GFX10 7
37 #define HSA_DBG_WATCH_ADDR_MASK_HI_BIT \
38 (29 << HSA_DBG_WATCH_ADDR_MASK_HI_BIT_SHIFT)
39 #define HSA_DBG_WATCH_ADDR_MASK_HI_BIT_GFX9_4_3 \
40 (30 << HSA_DBG_WATCH_ADDR_MASK_HI_BIT_SHIFT)
42 struct kfd_node_properties {
44 uint32_t cpu_cores_count;
46 uint32_t mem_banks_count;
47 uint32_t caches_count;
48 uint32_t io_links_count;
49 uint32_t p2p_links_count;
50 uint32_t cpu_core_id_base;
51 uint32_t simd_id_base;
54 uint32_t max_waves_per_simd;
55 uint32_t lds_size_in_kb;
56 uint32_t gds_size_in_kb;
58 uint32_t wave_front_size;
60 uint32_t simd_arrays_per_engine;
61 uint32_t cu_per_simd_array;
63 uint32_t max_slots_scratch_cu;
65 uint32_t gfx_target_version;
70 uint32_t max_engine_clk_fcompute;
71 uint32_t max_engine_clk_ccompute;
72 int32_t drm_render_minor;
73 uint32_t num_sdma_engines;
74 uint32_t num_sdma_xgmi_engines;
75 uint32_t num_sdma_queues_per_engine;
76 uint32_t num_cp_queues;
77 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
80 struct kfd_mem_properties {
81 struct list_head list;
83 uint64_t size_in_bytes;
89 struct attribute attr;
92 #define CACHE_SIBLINGMAP_SIZE 128
94 struct kfd_cache_properties {
95 struct list_head list;
96 uint32_t processor_id_low;
99 uint32_t cacheline_size;
100 uint32_t cachelines_per_tag;
101 uint32_t cache_assoc;
102 uint32_t cache_latency;
104 uint8_t sibling_map[CACHE_SIBLINGMAP_SIZE];
105 struct kfd_node *gpu;
106 struct kobject *kobj;
107 struct attribute attr;
108 uint32_t sibling_map_size;
111 struct kfd_iolink_properties {
112 struct list_head list;
113 uint32_t iolink_type;
119 uint32_t min_latency;
120 uint32_t max_latency;
121 uint32_t min_bandwidth;
122 uint32_t max_bandwidth;
123 uint32_t rec_transfer_size;
125 struct kfd_node *gpu;
126 struct kobject *kobj;
127 struct attribute attr;
130 struct kfd_perf_properties {
131 struct list_head list;
133 uint32_t max_concurrent;
134 struct attribute_group *attr_group;
137 struct kfd_topology_device {
138 struct list_head list;
140 uint32_t proximity_domain;
141 struct kfd_node_properties node_props;
142 struct list_head mem_props;
143 struct list_head cache_props;
144 struct list_head io_link_props;
145 struct list_head p2p_link_props;
146 struct list_head perf_props;
147 struct kfd_node *gpu;
148 struct kobject *kobj_node;
149 struct kobject *kobj_mem;
150 struct kobject *kobj_cache;
151 struct kobject *kobj_iolink;
152 struct kobject *kobj_p2plink;
153 struct kobject *kobj_perf;
154 struct attribute attr_gpuid;
155 struct attribute attr_name;
156 struct attribute attr_props;
157 uint8_t oem_id[CRAT_OEMID_LENGTH];
158 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH];
159 uint32_t oem_revision;
162 struct kfd_system_properties {
163 uint32_t num_devices; /* Number of H-NUMA nodes */
164 uint32_t generation_count;
165 uint64_t platform_oem;
166 uint64_t platform_id;
167 uint64_t platform_rev;
168 struct kobject *kobj_topology;
169 struct kobject *kobj_nodes;
170 struct attribute attr_genid;
171 struct attribute attr_props;
174 struct kfd_topology_device *kfd_create_topology_device(
175 struct list_head *device_list);
176 void kfd_release_topology_device_list(struct list_head *device_list);
178 #endif /* __KFD_TOPOLOGY_H__ */