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 128
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 wave_front_size;
69 	uint32_t array_count;
70 	uint32_t simd_arrays_per_engine;
71 	uint32_t cu_per_simd_array;
72 	uint32_t simd_per_cu;
73 	uint32_t max_slots_scratch_cu;
74 	uint32_t engine_id;
75 	uint32_t vendor_id;
76 	uint32_t device_id;
77 	uint32_t location_id;
78 	uint32_t max_engine_clk_fcompute;
79 	uint32_t max_engine_clk_ccompute;
80 	int32_t  drm_render_minor;
81 	uint16_t marketing_name[KFD_TOPOLOGY_PUBLIC_NAME_SIZE];
82 };
83 
84 #define HSA_MEM_HEAP_TYPE_SYSTEM	0
85 #define HSA_MEM_HEAP_TYPE_FB_PUBLIC	1
86 #define HSA_MEM_HEAP_TYPE_FB_PRIVATE	2
87 #define HSA_MEM_HEAP_TYPE_GPU_GDS	3
88 #define HSA_MEM_HEAP_TYPE_GPU_LDS	4
89 #define HSA_MEM_HEAP_TYPE_GPU_SCRATCH	5
90 
91 #define HSA_MEM_FLAGS_HOT_PLUGGABLE	0x00000001
92 #define HSA_MEM_FLAGS_NON_VOLATILE	0x00000002
93 #define HSA_MEM_FLAGS_RESERVED		0xfffffffc
94 
95 struct kfd_mem_properties {
96 	struct list_head	list;
97 	uint32_t		heap_type;
98 	uint64_t		size_in_bytes;
99 	uint32_t		flags;
100 	uint32_t		width;
101 	uint32_t		mem_clk_max;
102 	struct kobject		*kobj;
103 	struct attribute	attr;
104 };
105 
106 #define HSA_CACHE_TYPE_DATA		0x00000001
107 #define HSA_CACHE_TYPE_INSTRUCTION	0x00000002
108 #define HSA_CACHE_TYPE_CPU		0x00000004
109 #define HSA_CACHE_TYPE_HSACU		0x00000008
110 #define HSA_CACHE_TYPE_RESERVED		0xfffffff0
111 
112 struct kfd_cache_properties {
113 	struct list_head	list;
114 	uint32_t		processor_id_low;
115 	uint32_t		cache_level;
116 	uint32_t		cache_size;
117 	uint32_t		cacheline_size;
118 	uint32_t		cachelines_per_tag;
119 	uint32_t		cache_assoc;
120 	uint32_t		cache_latency;
121 	uint32_t		cache_type;
122 	uint8_t			sibling_map[CRAT_SIBLINGMAP_SIZE];
123 	struct kobject		*kobj;
124 	struct attribute	attr;
125 };
126 
127 struct kfd_iolink_properties {
128 	struct list_head	list;
129 	uint32_t		iolink_type;
130 	uint32_t		ver_maj;
131 	uint32_t		ver_min;
132 	uint32_t		node_from;
133 	uint32_t		node_to;
134 	uint32_t		weight;
135 	uint32_t		min_latency;
136 	uint32_t		max_latency;
137 	uint32_t		min_bandwidth;
138 	uint32_t		max_bandwidth;
139 	uint32_t		rec_transfer_size;
140 	uint32_t		flags;
141 	struct kobject		*kobj;
142 	struct attribute	attr;
143 };
144 
145 struct kfd_perf_properties {
146 	struct list_head	list;
147 	char			block_name[16];
148 	uint32_t		max_concurrent;
149 	struct attribute_group	*attr_group;
150 };
151 
152 struct kfd_topology_device {
153 	struct list_head		list;
154 	uint32_t			gpu_id;
155 	uint32_t			proximity_domain;
156 	struct kfd_node_properties	node_props;
157 	struct list_head		mem_props;
158 	uint32_t			cache_count;
159 	struct list_head		cache_props;
160 	uint32_t			io_link_count;
161 	struct list_head		io_link_props;
162 	struct list_head		perf_props;
163 	struct kfd_dev			*gpu;
164 	struct kobject			*kobj_node;
165 	struct kobject			*kobj_mem;
166 	struct kobject			*kobj_cache;
167 	struct kobject			*kobj_iolink;
168 	struct kobject			*kobj_perf;
169 	struct attribute		attr_gpuid;
170 	struct attribute		attr_name;
171 	struct attribute		attr_props;
172 	uint8_t				oem_id[CRAT_OEMID_LENGTH];
173 	uint8_t				oem_table_id[CRAT_OEMTABLEID_LENGTH];
174 	uint32_t			oem_revision;
175 };
176 
177 struct kfd_system_properties {
178 	uint32_t		num_devices;     /* Number of H-NUMA nodes */
179 	uint32_t		generation_count;
180 	uint64_t		platform_oem;
181 	uint64_t		platform_id;
182 	uint64_t		platform_rev;
183 	struct kobject		*kobj_topology;
184 	struct kobject		*kobj_nodes;
185 	struct attribute	attr_genid;
186 	struct attribute	attr_props;
187 };
188 
189 struct kfd_topology_device *kfd_create_topology_device(
190 		struct list_head *device_list);
191 void kfd_release_topology_device_list(struct list_head *device_list);
192 
193 #endif /* __KFD_TOPOLOGY_H__ */
194