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