2 * Copyright 2014 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
23 #ifndef __KFD_TOPOLOGY_H__
24 #define __KFD_TOPOLOGY_H__
26 #include <linux/types.h>
27 #include <linux/list.h>
30 #define KFD_TOPOLOGY_PUBLIC_NAME_SIZE 32
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
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
51 #define HSA_CAP_SRAM_EDCSUPPORTED 0x00080000
52 #define HSA_CAP_MEM_EDCSUPPORTED 0x00100000
53 #define HSA_CAP_RASEVENTNOTIFY 0x00200000
55 struct kfd_node_properties
{
57 uint32_t cpu_cores_count
;
59 uint32_t mem_banks_count
;
60 uint32_t caches_count
;
61 uint32_t io_links_count
;
62 uint32_t cpu_core_id_base
;
63 uint32_t simd_id_base
;
65 uint32_t max_waves_per_simd
;
66 uint32_t lds_size_in_kb
;
67 uint32_t gds_size_in_kb
;
69 uint32_t wave_front_size
;
71 uint32_t simd_arrays_per_engine
;
72 uint32_t cu_per_simd_array
;
74 uint32_t max_slots_scratch_cu
;
79 uint32_t max_engine_clk_fcompute
;
80 uint32_t max_engine_clk_ccompute
;
81 int32_t drm_render_minor
;
82 uint32_t num_sdma_engines
;
83 uint32_t num_sdma_xgmi_engines
;
84 uint32_t num_sdma_queues_per_engine
;
85 uint32_t num_cp_queues
;
86 char name
[KFD_TOPOLOGY_PUBLIC_NAME_SIZE
];
89 #define HSA_MEM_HEAP_TYPE_SYSTEM 0
90 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC 1
91 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE 2
92 #define HSA_MEM_HEAP_TYPE_GPU_GDS 3
93 #define HSA_MEM_HEAP_TYPE_GPU_LDS 4
94 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH 5
96 #define HSA_MEM_FLAGS_HOT_PLUGGABLE 0x00000001
97 #define HSA_MEM_FLAGS_NON_VOLATILE 0x00000002
98 #define HSA_MEM_FLAGS_RESERVED 0xfffffffc
100 struct kfd_mem_properties
{
101 struct list_head list
;
103 uint64_t size_in_bytes
;
106 uint32_t mem_clk_max
;
108 struct kobject
*kobj
;
109 struct attribute attr
;
112 #define HSA_CACHE_TYPE_DATA 0x00000001
113 #define HSA_CACHE_TYPE_INSTRUCTION 0x00000002
114 #define HSA_CACHE_TYPE_CPU 0x00000004
115 #define HSA_CACHE_TYPE_HSACU 0x00000008
116 #define HSA_CACHE_TYPE_RESERVED 0xfffffff0
118 struct kfd_cache_properties
{
119 struct list_head list
;
120 uint32_t processor_id_low
;
121 uint32_t cache_level
;
123 uint32_t cacheline_size
;
124 uint32_t cachelines_per_tag
;
125 uint32_t cache_assoc
;
126 uint32_t cache_latency
;
128 uint8_t sibling_map
[CRAT_SIBLINGMAP_SIZE
];
130 struct kobject
*kobj
;
131 struct attribute attr
;
134 struct kfd_iolink_properties
{
135 struct list_head list
;
136 uint32_t iolink_type
;
142 uint32_t min_latency
;
143 uint32_t max_latency
;
144 uint32_t min_bandwidth
;
145 uint32_t max_bandwidth
;
146 uint32_t rec_transfer_size
;
149 struct kobject
*kobj
;
150 struct attribute attr
;
153 struct kfd_perf_properties
{
154 struct list_head list
;
156 uint32_t max_concurrent
;
157 struct attribute_group
*attr_group
;
160 struct kfd_topology_device
{
161 struct list_head list
;
163 uint32_t proximity_domain
;
164 struct kfd_node_properties node_props
;
165 struct list_head mem_props
;
166 uint32_t cache_count
;
167 struct list_head cache_props
;
168 uint32_t io_link_count
;
169 struct list_head io_link_props
;
170 struct list_head perf_props
;
172 struct kobject
*kobj_node
;
173 struct kobject
*kobj_mem
;
174 struct kobject
*kobj_cache
;
175 struct kobject
*kobj_iolink
;
176 struct kobject
*kobj_perf
;
177 struct attribute attr_gpuid
;
178 struct attribute attr_name
;
179 struct attribute attr_props
;
180 uint8_t oem_id
[CRAT_OEMID_LENGTH
];
181 uint8_t oem_table_id
[CRAT_OEMTABLEID_LENGTH
];
182 uint32_t oem_revision
;
185 struct kfd_system_properties
{
186 uint32_t num_devices
; /* Number of H-NUMA nodes */
187 uint32_t generation_count
;
188 uint64_t platform_oem
;
189 uint64_t platform_id
;
190 uint64_t platform_rev
;
191 struct kobject
*kobj_topology
;
192 struct kobject
*kobj_nodes
;
193 struct attribute attr_genid
;
194 struct attribute attr_props
;
197 struct kfd_topology_device
*kfd_create_topology_device(
198 struct list_head
*device_list
);
199 void kfd_release_topology_device_list(struct list_head
*device_list
);
201 #endif /* __KFD_TOPOLOGY_H__ */