Commit | Line | Data |
---|---|---|
5b5c4e40 EP |
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_CRAT_H_INCLUDED | |
24 | #define KFD_CRAT_H_INCLUDED | |
25 | ||
26 | #include <linux/types.h> | |
27 | ||
28 | #pragma pack(1) | |
29 | ||
30 | /* | |
31 | * 4CC signature values for the CRAT and CDIT ACPI tables | |
32 | */ | |
33 | ||
34 | #define CRAT_SIGNATURE "CRAT" | |
35 | #define CDIT_SIGNATURE "CDIT" | |
36 | ||
37 | /* | |
38 | * Component Resource Association Table (CRAT) | |
39 | */ | |
40 | ||
41 | #define CRAT_OEMID_LENGTH 6 | |
42 | #define CRAT_OEMTABLEID_LENGTH 8 | |
43 | #define CRAT_RESERVED_LENGTH 6 | |
44 | ||
45 | #define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) | |
46 | ||
47 | struct crat_header { | |
48 | uint32_t signature; | |
49 | uint32_t length; | |
50 | uint8_t revision; | |
51 | uint8_t checksum; | |
52 | uint8_t oem_id[CRAT_OEMID_LENGTH]; | |
53 | uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; | |
54 | uint32_t oem_revision; | |
55 | uint32_t creator_id; | |
56 | uint32_t creator_revision; | |
57 | uint32_t total_entries; | |
58 | uint16_t num_domains; | |
59 | uint8_t reserved[CRAT_RESERVED_LENGTH]; | |
60 | }; | |
61 | ||
62 | /* | |
63 | * The header structure is immediately followed by total_entries of the | |
64 | * data definitions | |
65 | */ | |
66 | ||
67 | /* | |
68 | * The currently defined subtype entries in the CRAT | |
69 | */ | |
70 | #define CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY 0 | |
71 | #define CRAT_SUBTYPE_MEMORY_AFFINITY 1 | |
72 | #define CRAT_SUBTYPE_CACHE_AFFINITY 2 | |
73 | #define CRAT_SUBTYPE_TLB_AFFINITY 3 | |
74 | #define CRAT_SUBTYPE_CCOMPUTE_AFFINITY 4 | |
75 | #define CRAT_SUBTYPE_IOLINK_AFFINITY 5 | |
76 | #define CRAT_SUBTYPE_MAX 6 | |
77 | ||
78 | #define CRAT_SIBLINGMAP_SIZE 32 | |
79 | ||
80 | /* | |
81 | * ComputeUnit Affinity structure and definitions | |
82 | */ | |
83 | #define CRAT_CU_FLAGS_ENABLED 0x00000001 | |
84 | #define CRAT_CU_FLAGS_HOT_PLUGGABLE 0x00000002 | |
85 | #define CRAT_CU_FLAGS_CPU_PRESENT 0x00000004 | |
86 | #define CRAT_CU_FLAGS_GPU_PRESENT 0x00000008 | |
87 | #define CRAT_CU_FLAGS_IOMMU_PRESENT 0x00000010 | |
88 | #define CRAT_CU_FLAGS_RESERVED 0xffffffe0 | |
89 | ||
90 | #define CRAT_COMPUTEUNIT_RESERVED_LENGTH 4 | |
91 | ||
92 | struct crat_subtype_computeunit { | |
93 | uint8_t type; | |
94 | uint8_t length; | |
95 | uint16_t reserved; | |
96 | uint32_t flags; | |
97 | uint32_t proximity_domain; | |
98 | uint32_t processor_id_low; | |
99 | uint16_t num_cpu_cores; | |
100 | uint16_t num_simd_cores; | |
101 | uint16_t max_waves_simd; | |
102 | uint16_t io_count; | |
103 | uint16_t hsa_capability; | |
104 | uint16_t lds_size_in_kb; | |
105 | uint8_t wave_front_size; | |
106 | uint8_t num_banks; | |
107 | uint16_t micro_engine_id; | |
108 | uint8_t num_arrays; | |
109 | uint8_t num_cu_per_array; | |
110 | uint8_t num_simd_per_cu; | |
111 | uint8_t max_slots_scatch_cu; | |
112 | uint8_t reserved2[CRAT_COMPUTEUNIT_RESERVED_LENGTH]; | |
113 | }; | |
114 | ||
115 | /* | |
116 | * HSA Memory Affinity structure and definitions | |
117 | */ | |
118 | #define CRAT_MEM_FLAGS_ENABLED 0x00000001 | |
119 | #define CRAT_MEM_FLAGS_HOT_PLUGGABLE 0x00000002 | |
120 | #define CRAT_MEM_FLAGS_NON_VOLATILE 0x00000004 | |
121 | #define CRAT_MEM_FLAGS_RESERVED 0xfffffff8 | |
122 | ||
123 | #define CRAT_MEMORY_RESERVED_LENGTH 8 | |
124 | ||
125 | struct crat_subtype_memory { | |
126 | uint8_t type; | |
127 | uint8_t length; | |
128 | uint16_t reserved; | |
129 | uint32_t flags; | |
130 | uint32_t promixity_domain; | |
131 | uint32_t base_addr_low; | |
132 | uint32_t base_addr_high; | |
133 | uint32_t length_low; | |
134 | uint32_t length_high; | |
135 | uint32_t width; | |
136 | uint8_t reserved2[CRAT_MEMORY_RESERVED_LENGTH]; | |
137 | }; | |
138 | ||
139 | /* | |
140 | * HSA Cache Affinity structure and definitions | |
141 | */ | |
142 | #define CRAT_CACHE_FLAGS_ENABLED 0x00000001 | |
143 | #define CRAT_CACHE_FLAGS_DATA_CACHE 0x00000002 | |
144 | #define CRAT_CACHE_FLAGS_INST_CACHE 0x00000004 | |
145 | #define CRAT_CACHE_FLAGS_CPU_CACHE 0x00000008 | |
146 | #define CRAT_CACHE_FLAGS_SIMD_CACHE 0x00000010 | |
147 | #define CRAT_CACHE_FLAGS_RESERVED 0xffffffe0 | |
148 | ||
149 | #define CRAT_CACHE_RESERVED_LENGTH 8 | |
150 | ||
151 | struct crat_subtype_cache { | |
152 | uint8_t type; | |
153 | uint8_t length; | |
154 | uint16_t reserved; | |
155 | uint32_t flags; | |
156 | uint32_t processor_id_low; | |
157 | uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; | |
158 | uint32_t cache_size; | |
159 | uint8_t cache_level; | |
160 | uint8_t lines_per_tag; | |
161 | uint16_t cache_line_size; | |
162 | uint8_t associativity; | |
163 | uint8_t cache_properties; | |
164 | uint16_t cache_latency; | |
165 | uint8_t reserved2[CRAT_CACHE_RESERVED_LENGTH]; | |
166 | }; | |
167 | ||
168 | /* | |
169 | * HSA TLB Affinity structure and definitions | |
170 | */ | |
171 | #define CRAT_TLB_FLAGS_ENABLED 0x00000001 | |
172 | #define CRAT_TLB_FLAGS_DATA_TLB 0x00000002 | |
173 | #define CRAT_TLB_FLAGS_INST_TLB 0x00000004 | |
174 | #define CRAT_TLB_FLAGS_CPU_TLB 0x00000008 | |
175 | #define CRAT_TLB_FLAGS_SIMD_TLB 0x00000010 | |
176 | #define CRAT_TLB_FLAGS_RESERVED 0xffffffe0 | |
177 | ||
178 | #define CRAT_TLB_RESERVED_LENGTH 4 | |
179 | ||
180 | struct crat_subtype_tlb { | |
181 | uint8_t type; | |
182 | uint8_t length; | |
183 | uint16_t reserved; | |
184 | uint32_t flags; | |
185 | uint32_t processor_id_low; | |
186 | uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; | |
187 | uint32_t tlb_level; | |
188 | uint8_t data_tlb_associativity_2mb; | |
189 | uint8_t data_tlb_size_2mb; | |
190 | uint8_t instruction_tlb_associativity_2mb; | |
191 | uint8_t instruction_tlb_size_2mb; | |
192 | uint8_t data_tlb_associativity_4k; | |
193 | uint8_t data_tlb_size_4k; | |
194 | uint8_t instruction_tlb_associativity_4k; | |
195 | uint8_t instruction_tlb_size_4k; | |
196 | uint8_t data_tlb_associativity_1gb; | |
197 | uint8_t data_tlb_size_1gb; | |
198 | uint8_t instruction_tlb_associativity_1gb; | |
199 | uint8_t instruction_tlb_size_1gb; | |
200 | uint8_t reserved2[CRAT_TLB_RESERVED_LENGTH]; | |
201 | }; | |
202 | ||
203 | /* | |
204 | * HSA CCompute/APU Affinity structure and definitions | |
205 | */ | |
206 | #define CRAT_CCOMPUTE_FLAGS_ENABLED 0x00000001 | |
207 | #define CRAT_CCOMPUTE_FLAGS_RESERVED 0xfffffffe | |
208 | ||
209 | #define CRAT_CCOMPUTE_RESERVED_LENGTH 16 | |
210 | ||
211 | struct crat_subtype_ccompute { | |
212 | uint8_t type; | |
213 | uint8_t length; | |
214 | uint16_t reserved; | |
215 | uint32_t flags; | |
216 | uint32_t processor_id_low; | |
217 | uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; | |
218 | uint32_t apu_size; | |
219 | uint8_t reserved2[CRAT_CCOMPUTE_RESERVED_LENGTH]; | |
220 | }; | |
221 | ||
222 | /* | |
223 | * HSA IO Link Affinity structure and definitions | |
224 | */ | |
225 | #define CRAT_IOLINK_FLAGS_ENABLED 0x00000001 | |
226 | #define CRAT_IOLINK_FLAGS_COHERENCY 0x00000002 | |
227 | #define CRAT_IOLINK_FLAGS_RESERVED 0xfffffffc | |
228 | ||
229 | /* | |
230 | * IO interface types | |
231 | */ | |
232 | #define CRAT_IOLINK_TYPE_UNDEFINED 0 | |
233 | #define CRAT_IOLINK_TYPE_HYPERTRANSPORT 1 | |
234 | #define CRAT_IOLINK_TYPE_PCIEXPRESS 2 | |
235 | #define CRAT_IOLINK_TYPE_OTHER 3 | |
236 | #define CRAT_IOLINK_TYPE_MAX 255 | |
237 | ||
238 | #define CRAT_IOLINK_RESERVED_LENGTH 24 | |
239 | ||
240 | struct crat_subtype_iolink { | |
241 | uint8_t type; | |
242 | uint8_t length; | |
243 | uint16_t reserved; | |
244 | uint32_t flags; | |
245 | uint32_t proximity_domain_from; | |
246 | uint32_t proximity_domain_to; | |
247 | uint8_t io_interface_type; | |
248 | uint8_t version_major; | |
249 | uint16_t version_minor; | |
250 | uint32_t minimum_latency; | |
251 | uint32_t maximum_latency; | |
252 | uint32_t minimum_bandwidth_mbs; | |
253 | uint32_t maximum_bandwidth_mbs; | |
254 | uint32_t recommended_transfer_size; | |
255 | uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH]; | |
256 | }; | |
257 | ||
258 | /* | |
259 | * HSA generic sub-type header | |
260 | */ | |
261 | ||
262 | #define CRAT_SUBTYPE_FLAGS_ENABLED 0x00000001 | |
263 | ||
264 | struct crat_subtype_generic { | |
265 | uint8_t type; | |
266 | uint8_t length; | |
267 | uint16_t reserved; | |
268 | uint32_t flags; | |
269 | }; | |
270 | ||
271 | /* | |
272 | * Component Locality Distance Information Table (CDIT) | |
273 | */ | |
274 | #define CDIT_OEMID_LENGTH 6 | |
275 | #define CDIT_OEMTABLEID_LENGTH 8 | |
276 | ||
277 | struct cdit_header { | |
278 | uint32_t signature; | |
279 | uint32_t length; | |
280 | uint8_t revision; | |
281 | uint8_t checksum; | |
282 | uint8_t oem_id[CDIT_OEMID_LENGTH]; | |
283 | uint8_t oem_table_id[CDIT_OEMTABLEID_LENGTH]; | |
284 | uint32_t oem_revision; | |
285 | uint32_t creator_id; | |
286 | uint32_t creator_revision; | |
287 | uint32_t total_entries; | |
288 | uint16_t num_domains; | |
289 | uint8_t entry[1]; | |
290 | }; | |
291 | ||
292 | #pragma pack() | |
293 | ||
294 | #endif /* KFD_CRAT_H_INCLUDED */ |