1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
2/*
3 * Copyright 2014-2022 Advanced Micro Devices, Inc.
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
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.
22 */
23
24#ifndef __KFD_TOPOLOGY_H__
25#define __KFD_TOPOLOGY_H__
26
27#include <linux/types.h>
28#include <linux/list.h>
29#include <linux/kfd_sysfs.h>
30#include "kfd_crat.h"
31
32#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
33
34struct kfd_node_properties {
35 uint64_t hive_id;
36 uint32_t cpu_cores_count;
37 uint32_t simd_count;
38 uint32_t mem_banks_count;
39 uint32_t caches_count;
40 uint32_t io_links_count;
41 uint32_t p2p_links_count;
42 uint32_t cpu_core_id_base;
43 uint32_t simd_id_base;
44 uint32_t capability;
45 uint32_t max_waves_per_simd;
46 uint32_t lds_size_in_kb;
47 uint32_t gds_size_in_kb;
48 uint32_t num_gws;
49 uint32_t wave_front_size;
50 uint32_t array_count;
51 uint32_t simd_arrays_per_engine;
52 uint32_t cu_per_simd_array;
53 uint32_t simd_per_cu;
54 uint32_t max_slots_scratch_cu;
55 uint32_t engine_id;
56 uint32_t gfx_target_version;
57 uint32_t vendor_id;
58 uint32_t device_id;
59 uint32_t location_id;
60 uint32_t domain;
61 uint32_t max_engine_clk_fcompute;
62 uint32_t max_engine_clk_ccompute;
63 int32_t drm_render_minor;
64 uint32_t num_sdma_engines;
65 uint32_t num_sdma_xgmi_engines;
66 uint32_t num_sdma_queues_per_engine;
67 uint32_t num_cp_queues;
68 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
69};
70
71struct kfd_mem_properties {
72 struct list_head list;
73 uint32_t heap_type;
74 uint64_t size_in_bytes;
75 uint32_t flags;
76 uint32_t width;
77 uint32_t mem_clk_max;
78 struct kfd_dev *gpu;
79 struct kobject *kobj;
80 struct attribute attr;
81};
82
83struct kfd_cache_properties {
84 struct list_head list;
85 uint32_t processor_id_low;
86 uint32_t cache_level;
87 uint32_t cache_size;
88 uint32_t cacheline_size;
89 uint32_t cachelines_per_tag;
90 uint32_t cache_assoc;
91 uint32_t cache_latency;
92 uint32_t cache_type;
93 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE];
94 struct kfd_dev *gpu;
95 struct kobject *kobj;
96 struct attribute attr;
97};
98
99struct kfd_iolink_properties {
100 struct list_head list;
101 uint32_t iolink_type;
102 uint32_t ver_maj;
103 uint32_t ver_min;
104 uint32_t node_from;
105 uint32_t node_to;
106 uint32_t weight;
107 uint32_t min_latency;
108 uint32_t max_latency;
109 uint32_t min_bandwidth;
110 uint32_t max_bandwidth;
111 uint32_t rec_transfer_size;
112 uint32_t flags;
113 struct kfd_dev *gpu;
114 struct kobject *kobj;
115 struct attribute attr;
116};
117
118struct kfd_perf_properties {
119 struct list_head list;
120 char block_name[16];
121 uint32_t max_concurrent;
122 struct attribute_group *attr_group;
123};
124
125struct kfd_topology_device {
126 struct list_head list;
127 uint32_t gpu_id;
128 uint32_t proximity_domain;
129 struct kfd_node_properties node_props;
130 struct list_head mem_props;
131 uint32_t cache_count;
132 struct list_head cache_props;
133 struct list_head io_link_props;
134 struct list_head p2p_link_props;
135 struct list_head perf_props;
136 struct kfd_dev *gpu;
137 struct kobject *kobj_node;
138 struct kobject *kobj_mem;
139 struct kobject *kobj_cache;
140 struct kobject *kobj_iolink;
141 struct kobject *kobj_p2plink;
142 struct kobject *kobj_perf;
143 struct attribute attr_gpuid;
144 struct attribute attr_name;
145 struct attribute attr_props;
146 uint8_t oem_id[CRAT_OEMID_LENGTH];
147 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH];
148 uint32_t oem_revision;
149};
150
151struct kfd_system_properties {
152 uint32_t num_devices; /* Number of H-NUMA nodes */
153 uint32_t generation_count;
154 uint64_t platform_oem;
155 uint64_t platform_id;
156 uint64_t platform_rev;
157 struct kobject *kobj_topology;
158 struct kobject *kobj_nodes;
159 struct attribute attr_genid;
160 struct attribute attr_props;
161};
162
163struct kfd_topology_device *kfd_create_topology_device(
164 struct list_head *device_list);
165void kfd_release_topology_device_list(struct list_head *device_list);
166
167#endif /* __KFD_TOPOLOGY_H__ */
168

source code of linux/drivers/gpu/drm/amd/amdkfd/kfd_topology.h