tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_crat.h"
29
30#define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
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_DOORBELL_TYPE_2_0 0x2
49#define HSA_CAP_AQL_QUEUE_DOUBLE_MAP 0x00004000
50
51#define HSA_CAP_SRAM_EDCSUPPORTED 0x00080000
52#define HSA_CAP_MEM_EDCSUPPORTED 0x00100000
53#define HSA_CAP_RASEVENTNOTIFY 0x00200000
54
55struct kfd_node_properties {
56 uint64_t hive_id;
57 uint64_t unique_id;
58 uint32_t cpu_cores_count;
59 uint32_t simd_count;
60 uint32_t mem_banks_count;
61 uint32_t caches_count;
62 uint32_t io_links_count;
63 uint32_t cpu_core_id_base;
64 uint32_t simd_id_base;
65 uint32_t capability;
66 uint32_t max_waves_per_simd;
67 uint32_t lds_size_in_kb;
68 uint32_t gds_size_in_kb;
69 uint32_t num_gws;
70 uint32_t wave_front_size;
71 uint32_t array_count;
72 uint32_t simd_arrays_per_engine;
73 uint32_t cu_per_simd_array;
74 uint32_t simd_per_cu;
75 uint32_t max_slots_scratch_cu;
76 uint32_t engine_id;
77 uint32_t vendor_id;
78 uint32_t device_id;
79 uint32_t location_id;
80 uint32_t max_engine_clk_fcompute;
81 uint32_t max_engine_clk_ccompute;
82 int32_t drm_render_minor;
83 uint32_t num_sdma_engines;
84 uint32_t num_sdma_xgmi_engines;
85 uint32_t num_sdma_queues_per_engine;
86 uint32_t num_cp_queues;
87 char name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
88};
89
90#define HSA_MEM_HEAP_TYPE_SYSTEM 0
91#define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1
92#define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2
93#define HSA_MEM_HEAP_TYPE_GPU_GDS 3
94#define HSA_MEM_HEAP_TYPE_GPU_LDS 4
95#define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5
96
97#define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001
98#define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002
99#define HSA_MEM_FLAGS_RESERVED 0xfffffffc
100
101struct kfd_mem_properties {
102 struct list_head list;
103 uint32_t heap_type;
104 uint64_t size_in_bytes;
105 uint32_t flags;
106 uint32_t width;
107 uint32_t mem_clk_max;
108 struct kfd_dev *gpu;
109 struct kobject *kobj;
110 struct attribute attr;
111};
112
113#define HSA_CACHE_TYPE_DATA 0x00000001
114#define HSA_CACHE_TYPE_INSTRUCTION 0x00000002
115#define HSA_CACHE_TYPE_CPU 0x00000004
116#define HSA_CACHE_TYPE_HSACU 0x00000008
117#define HSA_CACHE_TYPE_RESERVED 0xfffffff0
118
119struct kfd_cache_properties {
120 struct list_head list;
121 uint32_t processor_id_low;
122 uint32_t cache_level;
123 uint32_t cache_size;
124 uint32_t cacheline_size;
125 uint32_t cachelines_per_tag;
126 uint32_t cache_assoc;
127 uint32_t cache_latency;
128 uint32_t cache_type;
129 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE];
130 struct kfd_dev *gpu;
131 struct kobject *kobj;
132 struct attribute attr;
133};
134
135struct kfd_iolink_properties {
136 struct list_head list;
137 uint32_t iolink_type;
138 uint32_t ver_maj;
139 uint32_t ver_min;
140 uint32_t node_from;
141 uint32_t node_to;
142 uint32_t weight;
143 uint32_t min_latency;
144 uint32_t max_latency;
145 uint32_t min_bandwidth;
146 uint32_t max_bandwidth;
147 uint32_t rec_transfer_size;
148 uint32_t flags;
149 struct kfd_dev *gpu;
150 struct kobject *kobj;
151 struct attribute attr;
152};
153
154struct kfd_perf_properties {
155 struct list_head list;
156 char block_name[16];
157 uint32_t max_concurrent;
158 struct attribute_group *attr_group;
159};
160
161struct kfd_topology_device {
162 struct list_head list;
163 uint32_t gpu_id;
164 uint32_t proximity_domain;
165 struct kfd_node_properties node_props;
166 struct list_head mem_props;
167 uint32_t cache_count;
168 struct list_head cache_props;
169 uint32_t io_link_count;
170 struct list_head io_link_props;
171 struct list_head perf_props;
172 struct kfd_dev *gpu;
173 struct kobject *kobj_node;
174 struct kobject *kobj_mem;
175 struct kobject *kobj_cache;
176 struct kobject *kobj_iolink;
177 struct kobject *kobj_perf;
178 struct attribute attr_gpuid;
179 struct attribute attr_name;
180 struct attribute attr_props;
181 uint8_t oem_id[CRAT_OEMID_LENGTH];
182 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH];
183 uint32_t oem_revision;
184};
185
186struct kfd_system_properties {
187 uint32_t num_devices; /* Number of H-NUMA nodes */
188 uint32_t generation_count;
189 uint64_t platform_oem;
190 uint64_t platform_id;
191 uint64_t platform_rev;
192 struct kobject *kobj_topology;
193 struct kobject *kobj_nodes;
194 struct attribute attr_genid;
195 struct attribute attr_props;
196};
197
198struct kfd_topology_device *kfd_create_topology_device(
199 struct list_head *device_list);
200void kfd_release_topology_device_list(struct list_head *device_list);
201
202#endif /* __KFD_TOPOLOGY_H__ */