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Linux kernel mirror (for testing)
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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 cpu_core_id_base;
42 uint32_t simd_id_base;
43 uint32_t capability;
44 uint32_t max_waves_per_simd;
45 uint32_t lds_size_in_kb;
46 uint32_t gds_size_in_kb;
47 uint32_t num_gws;
48 uint32_t wave_front_size;
49 uint32_t array_count;
50 uint32_t simd_arrays_per_engine;
51 uint32_t cu_per_simd_array;
52 uint32_t simd_per_cu;
53 uint32_t max_slots_scratch_cu;
54 uint32_t engine_id;
55 uint32_t gfx_target_version;
56 uint32_t vendor_id;
57 uint32_t device_id;
58 uint32_t location_id;
59 uint32_t domain;
60 uint32_t max_engine_clk_fcompute;
61 uint32_t max_engine_clk_ccompute;
62 int32_t drm_render_minor;
63 uint32_t num_sdma_engines;
64 uint32_t num_sdma_xgmi_engines;
65 uint32_t num_sdma_queues_per_engine;
66 uint32_t num_cp_queues;
67 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
68};
69
70struct kfd_mem_properties {
71 struct list_head list;
72 uint32_t heap_type;
73 uint64_t size_in_bytes;
74 uint32_t flags;
75 uint32_t width;
76 uint32_t mem_clk_max;
77 struct kfd_dev *gpu;
78 struct kobject *kobj;
79 struct attribute attr;
80};
81
82struct kfd_cache_properties {
83 struct list_head list;
84 uint32_t processor_id_low;
85 uint32_t cache_level;
86 uint32_t cache_size;
87 uint32_t cacheline_size;
88 uint32_t cachelines_per_tag;
89 uint32_t cache_assoc;
90 uint32_t cache_latency;
91 uint32_t cache_type;
92 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE];
93 struct kfd_dev *gpu;
94 struct kobject *kobj;
95 struct attribute attr;
96};
97
98struct kfd_iolink_properties {
99 struct list_head list;
100 uint32_t iolink_type;
101 uint32_t ver_maj;
102 uint32_t ver_min;
103 uint32_t node_from;
104 uint32_t node_to;
105 uint32_t weight;
106 uint32_t min_latency;
107 uint32_t max_latency;
108 uint32_t min_bandwidth;
109 uint32_t max_bandwidth;
110 uint32_t rec_transfer_size;
111 uint32_t flags;
112 struct kfd_dev *gpu;
113 struct kobject *kobj;
114 struct attribute attr;
115};
116
117struct kfd_perf_properties {
118 struct list_head list;
119 char block_name[16];
120 uint32_t max_concurrent;
121 struct attribute_group *attr_group;
122};
123
124struct kfd_topology_device {
125 struct list_head list;
126 uint32_t gpu_id;
127 uint32_t proximity_domain;
128 struct kfd_node_properties node_props;
129 struct list_head mem_props;
130 uint32_t cache_count;
131 struct list_head cache_props;
132 uint32_t io_link_count;
133 struct list_head io_link_props;
134 struct list_head perf_props;
135 struct kfd_dev *gpu;
136 struct kobject *kobj_node;
137 struct kobject *kobj_mem;
138 struct kobject *kobj_cache;
139 struct kobject *kobj_iolink;
140 struct kobject *kobj_perf;
141 struct attribute attr_gpuid;
142 struct attribute attr_name;
143 struct attribute attr_props;
144 uint8_t oem_id[CRAT_OEMID_LENGTH];
145 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH];
146 uint32_t oem_revision;
147};
148
149struct kfd_system_properties {
150 uint32_t num_devices; /* Number of H-NUMA nodes */
151 uint32_t generation_count;
152 uint64_t platform_oem;
153 uint64_t platform_id;
154 uint64_t platform_rev;
155 struct kobject *kobj_topology;
156 struct kobject *kobj_nodes;
157 struct attribute attr_genid;
158 struct attribute attr_props;
159};
160
161struct kfd_topology_device *kfd_create_topology_device(
162 struct list_head *device_list);
163void kfd_release_topology_device_list(struct list_head *device_list);
164
165#endif /* __KFD_TOPOLOGY_H__ */