1 /* 1 /*
2 * Copyright 2014 Advanced Micro Devices, Inc. 2 * Copyright 2014 Advanced Micro Devices, Inc.
3 * 3 *
4 * Permission is hereby granted, free of charg 4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated docume 5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction 6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, pub 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to 8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to 9 * Software is furnished to do so, subject to the following conditions:
10 * 10 *
11 * The above copyright notice and this permiss 11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the S 12 * all copies or substantial portions of the Software.
13 * 13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT W 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE W 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINF 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIA 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CO 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE. 20 * OTHER DEALINGS IN THE SOFTWARE.
21 */ 21 */
22 22
23 #ifndef KFD_IOCTL_H_INCLUDED 23 #ifndef KFD_IOCTL_H_INCLUDED
24 #define KFD_IOCTL_H_INCLUDED 24 #define KFD_IOCTL_H_INCLUDED
25 25
26 #include <drm/drm.h> 26 #include <drm/drm.h>
27 #include <linux/ioctl.h> 27 #include <linux/ioctl.h>
28 28
29 /* 29 /*
30 * - 1.1 - initial version 30 * - 1.1 - initial version
31 * - 1.3 - Add SMI events support 31 * - 1.3 - Add SMI events support
32 * - 1.4 - Indicate new SRAM EDC bit in device 32 * - 1.4 - Indicate new SRAM EDC bit in device properties
33 * - 1.5 - Add SVM API 33 * - 1.5 - Add SVM API
34 * - 1.6 - Query clear flags in SVM get_attr A 34 * - 1.6 - Query clear flags in SVM get_attr API
35 * - 1.7 - Checkpoint Restore (CRIU) API 35 * - 1.7 - Checkpoint Restore (CRIU) API
36 * - 1.8 - CRIU - Support for SDMA transfers w 36 * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs
37 * - 1.9 - Add available memory ioctl 37 * - 1.9 - Add available memory ioctl
38 * - 1.10 - Add SMI profiler event log 38 * - 1.10 - Add SMI profiler event log
39 * - 1.11 - Add unified memory for ctx save/re 39 * - 1.11 - Add unified memory for ctx save/restore area
40 * - 1.12 - Add DMA buf export ioctl 40 * - 1.12 - Add DMA buf export ioctl
41 * - 1.13 - Add debugger API 41 * - 1.13 - Add debugger API
42 * - 1.14 - Update kfd_event_data 42 * - 1.14 - Update kfd_event_data
43 * - 1.15 - Enable managing mappings in comput 43 * - 1.15 - Enable managing mappings in compute VMs with GEM_VA ioctl
44 * - 1.16 - Add contiguous VRAM allocation fla 44 * - 1.16 - Add contiguous VRAM allocation flag
45 * - 1.17 - Add SDMA queue creation with targe 45 * - 1.17 - Add SDMA queue creation with target SDMA engine ID
46 */ 46 */
47 #define KFD_IOCTL_MAJOR_VERSION 1 47 #define KFD_IOCTL_MAJOR_VERSION 1
48 #define KFD_IOCTL_MINOR_VERSION 17 48 #define KFD_IOCTL_MINOR_VERSION 17
49 49
50 struct kfd_ioctl_get_version_args { 50 struct kfd_ioctl_get_version_args {
51 __u32 major_version; /* from KFD */ 51 __u32 major_version; /* from KFD */
52 __u32 minor_version; /* from KFD */ 52 __u32 minor_version; /* from KFD */
53 }; 53 };
54 54
55 /* For kfd_ioctl_create_queue_args.queue_type. 55 /* For kfd_ioctl_create_queue_args.queue_type. */
56 #define KFD_IOC_QUEUE_TYPE_COMPUTE 56 #define KFD_IOC_QUEUE_TYPE_COMPUTE 0x0
57 #define KFD_IOC_QUEUE_TYPE_SDMA 57 #define KFD_IOC_QUEUE_TYPE_SDMA 0x1
58 #define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 58 #define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 0x2
59 #define KFD_IOC_QUEUE_TYPE_SDMA_XGMI 59 #define KFD_IOC_QUEUE_TYPE_SDMA_XGMI 0x3
60 #define KFD_IOC_QUEUE_TYPE_SDMA_BY_ENG_ID 60 #define KFD_IOC_QUEUE_TYPE_SDMA_BY_ENG_ID 0x4
61 61
62 #define KFD_MAX_QUEUE_PERCENTAGE 100 62 #define KFD_MAX_QUEUE_PERCENTAGE 100
63 #define KFD_MAX_QUEUE_PRIORITY 15 63 #define KFD_MAX_QUEUE_PRIORITY 15
64 64
65 struct kfd_ioctl_create_queue_args { 65 struct kfd_ioctl_create_queue_args {
66 __u64 ring_base_address; /* to 66 __u64 ring_base_address; /* to KFD */
67 __u64 write_pointer_address; /* fro 67 __u64 write_pointer_address; /* from KFD */
68 __u64 read_pointer_address; /* fro 68 __u64 read_pointer_address; /* from KFD */
69 __u64 doorbell_offset; /* from KFD */ 69 __u64 doorbell_offset; /* from KFD */
70 70
71 __u32 ring_size; /* to 71 __u32 ring_size; /* to KFD */
72 __u32 gpu_id; /* to KFD */ 72 __u32 gpu_id; /* to KFD */
73 __u32 queue_type; /* to 73 __u32 queue_type; /* to KFD */
74 __u32 queue_percentage; /* to KFD */ 74 __u32 queue_percentage; /* to KFD */
75 __u32 queue_priority; /* to KFD */ 75 __u32 queue_priority; /* to KFD */
76 __u32 queue_id; /* from KFD */ 76 __u32 queue_id; /* from KFD */
77 77
78 __u64 eop_buffer_address; /* to 78 __u64 eop_buffer_address; /* to KFD */
79 __u64 eop_buffer_size; /* to KFD */ 79 __u64 eop_buffer_size; /* to KFD */
80 __u64 ctx_save_restore_address; /* to 80 __u64 ctx_save_restore_address; /* to KFD */
81 __u32 ctx_save_restore_size; /* to 81 __u32 ctx_save_restore_size; /* to KFD */
82 __u32 ctl_stack_size; /* to 82 __u32 ctl_stack_size; /* to KFD */
83 __u32 sdma_engine_id; /* to 83 __u32 sdma_engine_id; /* to KFD */
84 __u32 pad; 84 __u32 pad;
85 }; 85 };
86 86
87 struct kfd_ioctl_destroy_queue_args { 87 struct kfd_ioctl_destroy_queue_args {
88 __u32 queue_id; /* to KFD */ 88 __u32 queue_id; /* to KFD */
89 __u32 pad; 89 __u32 pad;
90 }; 90 };
91 91
92 struct kfd_ioctl_update_queue_args { 92 struct kfd_ioctl_update_queue_args {
93 __u64 ring_base_address; /* to 93 __u64 ring_base_address; /* to KFD */
94 94
95 __u32 queue_id; /* to KFD */ 95 __u32 queue_id; /* to KFD */
96 __u32 ring_size; /* to 96 __u32 ring_size; /* to KFD */
97 __u32 queue_percentage; /* to KFD */ 97 __u32 queue_percentage; /* to KFD */
98 __u32 queue_priority; /* to KFD */ 98 __u32 queue_priority; /* to KFD */
99 }; 99 };
100 100
101 struct kfd_ioctl_set_cu_mask_args { 101 struct kfd_ioctl_set_cu_mask_args {
102 __u32 queue_id; /* to KFD */ 102 __u32 queue_id; /* to KFD */
103 __u32 num_cu_mask; /* to 103 __u32 num_cu_mask; /* to KFD */
104 __u64 cu_mask_ptr; /* to 104 __u64 cu_mask_ptr; /* to KFD */
105 }; 105 };
106 106
107 struct kfd_ioctl_get_queue_wave_state_args { 107 struct kfd_ioctl_get_queue_wave_state_args {
108 __u64 ctl_stack_address; /* to 108 __u64 ctl_stack_address; /* to KFD */
109 __u32 ctl_stack_used_size; /* fro 109 __u32 ctl_stack_used_size; /* from KFD */
110 __u32 save_area_used_size; /* fro 110 __u32 save_area_used_size; /* from KFD */
111 __u32 queue_id; /* to 111 __u32 queue_id; /* to KFD */
112 __u32 pad; 112 __u32 pad;
113 }; 113 };
114 114
115 struct kfd_ioctl_get_available_memory_args { 115 struct kfd_ioctl_get_available_memory_args {
116 __u64 available; /* from KFD */ 116 __u64 available; /* from KFD */
117 __u32 gpu_id; /* to KFD */ 117 __u32 gpu_id; /* to KFD */
118 __u32 pad; 118 __u32 pad;
119 }; 119 };
120 120
121 struct kfd_dbg_device_info_entry { 121 struct kfd_dbg_device_info_entry {
122 __u64 exception_status; 122 __u64 exception_status;
123 __u64 lds_base; 123 __u64 lds_base;
124 __u64 lds_limit; 124 __u64 lds_limit;
125 __u64 scratch_base; 125 __u64 scratch_base;
126 __u64 scratch_limit; 126 __u64 scratch_limit;
127 __u64 gpuvm_base; 127 __u64 gpuvm_base;
128 __u64 gpuvm_limit; 128 __u64 gpuvm_limit;
129 __u32 gpu_id; 129 __u32 gpu_id;
130 __u32 location_id; 130 __u32 location_id;
131 __u32 vendor_id; 131 __u32 vendor_id;
132 __u32 device_id; 132 __u32 device_id;
133 __u32 revision_id; 133 __u32 revision_id;
134 __u32 subsystem_vendor_id; 134 __u32 subsystem_vendor_id;
135 __u32 subsystem_device_id; 135 __u32 subsystem_device_id;
136 __u32 fw_version; 136 __u32 fw_version;
137 __u32 gfx_target_version; 137 __u32 gfx_target_version;
138 __u32 simd_count; 138 __u32 simd_count;
139 __u32 max_waves_per_simd; 139 __u32 max_waves_per_simd;
140 __u32 array_count; 140 __u32 array_count;
141 __u32 simd_arrays_per_engine; 141 __u32 simd_arrays_per_engine;
142 __u32 num_xcc; 142 __u32 num_xcc;
143 __u32 capability; 143 __u32 capability;
144 __u32 debug_prop; 144 __u32 debug_prop;
145 }; 145 };
146 146
147 /* For kfd_ioctl_set_memory_policy_args.defaul 147 /* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */
148 #define KFD_IOC_CACHE_POLICY_COHERENT 0 148 #define KFD_IOC_CACHE_POLICY_COHERENT 0
149 #define KFD_IOC_CACHE_POLICY_NONCOHERENT 1 149 #define KFD_IOC_CACHE_POLICY_NONCOHERENT 1
150 150
151 struct kfd_ioctl_set_memory_policy_args { 151 struct kfd_ioctl_set_memory_policy_args {
152 __u64 alternate_aperture_base; /* to 152 __u64 alternate_aperture_base; /* to KFD */
153 __u64 alternate_aperture_size; /* to 153 __u64 alternate_aperture_size; /* to KFD */
154 154
155 __u32 gpu_id; /* to 155 __u32 gpu_id; /* to KFD */
156 __u32 default_policy; /* to 156 __u32 default_policy; /* to KFD */
157 __u32 alternate_policy; /* to 157 __u32 alternate_policy; /* to KFD */
158 __u32 pad; 158 __u32 pad;
159 }; 159 };
160 160
161 /* 161 /*
162 * All counters are monotonic. They are used f 162 * All counters are monotonic. They are used for profiling of compute jobs.
163 * The profiling is done by userspace. 163 * The profiling is done by userspace.
164 * 164 *
165 * In case of GPU reset, the counter should no 165 * In case of GPU reset, the counter should not be affected.
166 */ 166 */
167 167
168 struct kfd_ioctl_get_clock_counters_args { 168 struct kfd_ioctl_get_clock_counters_args {
169 __u64 gpu_clock_counter; /* fro 169 __u64 gpu_clock_counter; /* from KFD */
170 __u64 cpu_clock_counter; /* fro 170 __u64 cpu_clock_counter; /* from KFD */
171 __u64 system_clock_counter; /* fro 171 __u64 system_clock_counter; /* from KFD */
172 __u64 system_clock_freq; /* fro 172 __u64 system_clock_freq; /* from KFD */
173 173
174 __u32 gpu_id; /* to KFD */ 174 __u32 gpu_id; /* to KFD */
175 __u32 pad; 175 __u32 pad;
176 }; 176 };
177 177
178 struct kfd_process_device_apertures { 178 struct kfd_process_device_apertures {
179 __u64 lds_base; /* from KFD */ 179 __u64 lds_base; /* from KFD */
180 __u64 lds_limit; /* fro 180 __u64 lds_limit; /* from KFD */
181 __u64 scratch_base; /* fro 181 __u64 scratch_base; /* from KFD */
182 __u64 scratch_limit; /* fro 182 __u64 scratch_limit; /* from KFD */
183 __u64 gpuvm_base; /* fro 183 __u64 gpuvm_base; /* from KFD */
184 __u64 gpuvm_limit; /* fro 184 __u64 gpuvm_limit; /* from KFD */
185 __u32 gpu_id; /* from KFD */ 185 __u32 gpu_id; /* from KFD */
186 __u32 pad; 186 __u32 pad;
187 }; 187 };
188 188
189 /* 189 /*
190 * AMDKFD_IOC_GET_PROCESS_APERTURES is depreca 190 * AMDKFD_IOC_GET_PROCESS_APERTURES is deprecated. Use
191 * AMDKFD_IOC_GET_PROCESS_APERTURES_NEW instea 191 * AMDKFD_IOC_GET_PROCESS_APERTURES_NEW instead, which supports an
192 * unlimited number of GPUs. 192 * unlimited number of GPUs.
193 */ 193 */
194 #define NUM_OF_SUPPORTED_GPUS 7 194 #define NUM_OF_SUPPORTED_GPUS 7
195 struct kfd_ioctl_get_process_apertures_args { 195 struct kfd_ioctl_get_process_apertures_args {
196 struct kfd_process_device_apertures 196 struct kfd_process_device_apertures
197 process_apertures[NUM_ 197 process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */
198 198
199 /* from KFD, should be in the range [1 199 /* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */
200 __u32 num_of_nodes; 200 __u32 num_of_nodes;
201 __u32 pad; 201 __u32 pad;
202 }; 202 };
203 203
204 struct kfd_ioctl_get_process_apertures_new_arg 204 struct kfd_ioctl_get_process_apertures_new_args {
205 /* User allocated. Pointer to struct k 205 /* User allocated. Pointer to struct kfd_process_device_apertures
206 * filled in by Kernel 206 * filled in by Kernel
207 */ 207 */
208 __u64 kfd_process_device_apertures_ptr 208 __u64 kfd_process_device_apertures_ptr;
209 /* to KFD - indicates amount of memory 209 /* to KFD - indicates amount of memory present in
210 * kfd_process_device_apertures_ptr 210 * kfd_process_device_apertures_ptr
211 * from KFD - Number of entries filled 211 * from KFD - Number of entries filled by KFD.
212 */ 212 */
213 __u32 num_of_nodes; 213 __u32 num_of_nodes;
214 __u32 pad; 214 __u32 pad;
215 }; 215 };
216 216
217 #define MAX_ALLOWED_NUM_POINTS 100 217 #define MAX_ALLOWED_NUM_POINTS 100
218 #define MAX_ALLOWED_AW_BUFF_SIZE 4096 218 #define MAX_ALLOWED_AW_BUFF_SIZE 4096
219 #define MAX_ALLOWED_WAC_BUFF_SIZE 128 219 #define MAX_ALLOWED_WAC_BUFF_SIZE 128
220 220
221 struct kfd_ioctl_dbg_register_args { 221 struct kfd_ioctl_dbg_register_args {
222 __u32 gpu_id; /* to KFD */ 222 __u32 gpu_id; /* to KFD */
223 __u32 pad; 223 __u32 pad;
224 }; 224 };
225 225
226 struct kfd_ioctl_dbg_unregister_args { 226 struct kfd_ioctl_dbg_unregister_args {
227 __u32 gpu_id; /* to KFD */ 227 __u32 gpu_id; /* to KFD */
228 __u32 pad; 228 __u32 pad;
229 }; 229 };
230 230
231 struct kfd_ioctl_dbg_address_watch_args { 231 struct kfd_ioctl_dbg_address_watch_args {
232 __u64 content_ptr; /* a p 232 __u64 content_ptr; /* a pointer to the actual content */
233 __u32 gpu_id; /* to KFD */ 233 __u32 gpu_id; /* to KFD */
234 __u32 buf_size_in_bytes; /*incl 234 __u32 buf_size_in_bytes; /*including gpu_id and buf_size */
235 }; 235 };
236 236
237 struct kfd_ioctl_dbg_wave_control_args { 237 struct kfd_ioctl_dbg_wave_control_args {
238 __u64 content_ptr; /* a p 238 __u64 content_ptr; /* a pointer to the actual content */
239 __u32 gpu_id; /* to KFD */ 239 __u32 gpu_id; /* to KFD */
240 __u32 buf_size_in_bytes; /*incl 240 __u32 buf_size_in_bytes; /*including gpu_id and buf_size */
241 }; 241 };
242 242
243 #define KFD_INVALID_FD 0xffffffff 243 #define KFD_INVALID_FD 0xffffffff
244 244
245 /* Matching HSA_EVENTTYPE */ 245 /* Matching HSA_EVENTTYPE */
246 #define KFD_IOC_EVENT_SIGNAL 246 #define KFD_IOC_EVENT_SIGNAL 0
247 #define KFD_IOC_EVENT_NODECHANGE 247 #define KFD_IOC_EVENT_NODECHANGE 1
248 #define KFD_IOC_EVENT_DEVICESTATECHANGE 248 #define KFD_IOC_EVENT_DEVICESTATECHANGE 2
249 #define KFD_IOC_EVENT_HW_EXCEPTION 249 #define KFD_IOC_EVENT_HW_EXCEPTION 3
250 #define KFD_IOC_EVENT_SYSTEM_EVENT 250 #define KFD_IOC_EVENT_SYSTEM_EVENT 4
251 #define KFD_IOC_EVENT_DEBUG_EVENT 251 #define KFD_IOC_EVENT_DEBUG_EVENT 5
252 #define KFD_IOC_EVENT_PROFILE_EVENT 252 #define KFD_IOC_EVENT_PROFILE_EVENT 6
253 #define KFD_IOC_EVENT_QUEUE_EVENT 253 #define KFD_IOC_EVENT_QUEUE_EVENT 7
254 #define KFD_IOC_EVENT_MEMORY 254 #define KFD_IOC_EVENT_MEMORY 8
255 255
256 #define KFD_IOC_WAIT_RESULT_COMPLETE 256 #define KFD_IOC_WAIT_RESULT_COMPLETE 0
257 #define KFD_IOC_WAIT_RESULT_TIMEOUT 257 #define KFD_IOC_WAIT_RESULT_TIMEOUT 1
258 #define KFD_IOC_WAIT_RESULT_FAIL 258 #define KFD_IOC_WAIT_RESULT_FAIL 2
259 259
260 #define KFD_SIGNAL_EVENT_LIMIT 260 #define KFD_SIGNAL_EVENT_LIMIT 4096
261 261
262 /* For kfd_event_data.hw_exception_data.reset_ 262 /* For kfd_event_data.hw_exception_data.reset_type. */
263 #define KFD_HW_EXCEPTION_WHOLE_GPU_RESET 263 #define KFD_HW_EXCEPTION_WHOLE_GPU_RESET 0
264 #define KFD_HW_EXCEPTION_PER_ENGINE_RESET 264 #define KFD_HW_EXCEPTION_PER_ENGINE_RESET 1
265 265
266 /* For kfd_event_data.hw_exception_data.reset_ 266 /* For kfd_event_data.hw_exception_data.reset_cause. */
267 #define KFD_HW_EXCEPTION_GPU_HANG 0 267 #define KFD_HW_EXCEPTION_GPU_HANG 0
268 #define KFD_HW_EXCEPTION_ECC 1 268 #define KFD_HW_EXCEPTION_ECC 1
269 269
270 /* For kfd_hsa_memory_exception_data.ErrorType 270 /* For kfd_hsa_memory_exception_data.ErrorType */
271 #define KFD_MEM_ERR_NO_RAS 0 271 #define KFD_MEM_ERR_NO_RAS 0
272 #define KFD_MEM_ERR_SRAM_ECC 1 272 #define KFD_MEM_ERR_SRAM_ECC 1
273 #define KFD_MEM_ERR_POISON_CONSUMED 2 273 #define KFD_MEM_ERR_POISON_CONSUMED 2
274 #define KFD_MEM_ERR_GPU_HANG 3 274 #define KFD_MEM_ERR_GPU_HANG 3
275 275
276 struct kfd_ioctl_create_event_args { 276 struct kfd_ioctl_create_event_args {
277 __u64 event_page_offset; /* fro 277 __u64 event_page_offset; /* from KFD */
278 __u32 event_trigger_data; /* fro 278 __u32 event_trigger_data; /* from KFD - signal events only */
279 __u32 event_type; /* to 279 __u32 event_type; /* to KFD */
280 __u32 auto_reset; /* to 280 __u32 auto_reset; /* to KFD */
281 __u32 node_id; /* to KFD - on 281 __u32 node_id; /* to KFD - only valid for certain
282 282 event types */
283 __u32 event_id; /* from KFD */ 283 __u32 event_id; /* from KFD */
284 __u32 event_slot_index; /* from KFD */ 284 __u32 event_slot_index; /* from KFD */
285 }; 285 };
286 286
287 struct kfd_ioctl_destroy_event_args { 287 struct kfd_ioctl_destroy_event_args {
288 __u32 event_id; /* to KFD */ 288 __u32 event_id; /* to KFD */
289 __u32 pad; 289 __u32 pad;
290 }; 290 };
291 291
292 struct kfd_ioctl_set_event_args { 292 struct kfd_ioctl_set_event_args {
293 __u32 event_id; /* to KFD */ 293 __u32 event_id; /* to KFD */
294 __u32 pad; 294 __u32 pad;
295 }; 295 };
296 296
297 struct kfd_ioctl_reset_event_args { 297 struct kfd_ioctl_reset_event_args {
298 __u32 event_id; /* to KFD */ 298 __u32 event_id; /* to KFD */
299 __u32 pad; 299 __u32 pad;
300 }; 300 };
301 301
302 struct kfd_memory_exception_failure { 302 struct kfd_memory_exception_failure {
303 __u32 NotPresent; /* Page not pr 303 __u32 NotPresent; /* Page not present or supervisor privilege */
304 __u32 ReadOnly; /* Write access to a r 304 __u32 ReadOnly; /* Write access to a read-only page */
305 __u32 NoExecute; /* Execute acc 305 __u32 NoExecute; /* Execute access to a page marked NX */
306 __u32 imprecise; /* Can't deter 306 __u32 imprecise; /* Can't determine the exact fault address */
307 }; 307 };
308 308
309 /* memory exception data */ 309 /* memory exception data */
310 struct kfd_hsa_memory_exception_data { 310 struct kfd_hsa_memory_exception_data {
311 struct kfd_memory_exception_failure fa 311 struct kfd_memory_exception_failure failure;
312 __u64 va; 312 __u64 va;
313 __u32 gpu_id; 313 __u32 gpu_id;
314 __u32 ErrorType; /* 0 = no RAS error, 314 __u32 ErrorType; /* 0 = no RAS error,
315 * 1 = ECC_SRAM, 315 * 1 = ECC_SRAM,
316 * 2 = Link_SYNFLOOD 316 * 2 = Link_SYNFLOOD (poison),
317 * 3 = GPU hang (not 317 * 3 = GPU hang (not attributable to a specific cause),
318 * other values reser 318 * other values reserved
319 */ 319 */
320 }; 320 };
321 321
322 /* hw exception data */ 322 /* hw exception data */
323 struct kfd_hsa_hw_exception_data { 323 struct kfd_hsa_hw_exception_data {
324 __u32 reset_type; 324 __u32 reset_type;
325 __u32 reset_cause; 325 __u32 reset_cause;
326 __u32 memory_lost; 326 __u32 memory_lost;
327 __u32 gpu_id; 327 __u32 gpu_id;
328 }; 328 };
329 329
330 /* hsa signal event data */ 330 /* hsa signal event data */
331 struct kfd_hsa_signal_event_data { 331 struct kfd_hsa_signal_event_data {
332 __u64 last_event_age; /* to and from 332 __u64 last_event_age; /* to and from KFD */
333 }; 333 };
334 334
335 /* Event data */ 335 /* Event data */
336 struct kfd_event_data { 336 struct kfd_event_data {
337 union { 337 union {
338 /* From KFD */ 338 /* From KFD */
339 struct kfd_hsa_memory_exceptio 339 struct kfd_hsa_memory_exception_data memory_exception_data;
340 struct kfd_hsa_hw_exception_da 340 struct kfd_hsa_hw_exception_data hw_exception_data;
341 /* To and From KFD */ 341 /* To and From KFD */
342 struct kfd_hsa_signal_event_da 342 struct kfd_hsa_signal_event_data signal_event_data;
343 }; 343 };
344 __u64 kfd_event_data_ext; /* poi 344 __u64 kfd_event_data_ext; /* pointer to an extension structure
345 for 345 for future exception types */
346 __u32 event_id; /* to KFD */ 346 __u32 event_id; /* to KFD */
347 __u32 pad; 347 __u32 pad;
348 }; 348 };
349 349
350 struct kfd_ioctl_wait_events_args { 350 struct kfd_ioctl_wait_events_args {
351 __u64 events_ptr; /* poi 351 __u64 events_ptr; /* pointed to struct
352 kfd 352 kfd_event_data array, to KFD */
353 __u32 num_events; /* to 353 __u32 num_events; /* to KFD */
354 __u32 wait_for_all; /* to 354 __u32 wait_for_all; /* to KFD */
355 __u32 timeout; /* to KFD */ 355 __u32 timeout; /* to KFD */
356 __u32 wait_result; /* fro 356 __u32 wait_result; /* from KFD */
357 }; 357 };
358 358
359 struct kfd_ioctl_set_scratch_backing_va_args { 359 struct kfd_ioctl_set_scratch_backing_va_args {
360 __u64 va_addr; /* to KFD */ 360 __u64 va_addr; /* to KFD */
361 __u32 gpu_id; /* to KFD */ 361 __u32 gpu_id; /* to KFD */
362 __u32 pad; 362 __u32 pad;
363 }; 363 };
364 364
365 struct kfd_ioctl_get_tile_config_args { 365 struct kfd_ioctl_get_tile_config_args {
366 /* to KFD: pointer to tile array */ 366 /* to KFD: pointer to tile array */
367 __u64 tile_config_ptr; 367 __u64 tile_config_ptr;
368 /* to KFD: pointer to macro tile array 368 /* to KFD: pointer to macro tile array */
369 __u64 macro_tile_config_ptr; 369 __u64 macro_tile_config_ptr;
370 /* to KFD: array size allocated by use 370 /* to KFD: array size allocated by user mode
371 * from KFD: array size filled by kern 371 * from KFD: array size filled by kernel
372 */ 372 */
373 __u32 num_tile_configs; 373 __u32 num_tile_configs;
374 /* to KFD: array size allocated by use 374 /* to KFD: array size allocated by user mode
375 * from KFD: array size filled by kern 375 * from KFD: array size filled by kernel
376 */ 376 */
377 __u32 num_macro_tile_configs; 377 __u32 num_macro_tile_configs;
378 378
379 __u32 gpu_id; /* to KFD */ 379 __u32 gpu_id; /* to KFD */
380 __u32 gb_addr_config; /* from KFD */ 380 __u32 gb_addr_config; /* from KFD */
381 __u32 num_banks; /* fro 381 __u32 num_banks; /* from KFD */
382 __u32 num_ranks; /* fro 382 __u32 num_ranks; /* from KFD */
383 /* struct size can be extended later i 383 /* struct size can be extended later if needed
384 * without breaking ABI compatibility 384 * without breaking ABI compatibility
385 */ 385 */
386 }; 386 };
387 387
388 struct kfd_ioctl_set_trap_handler_args { 388 struct kfd_ioctl_set_trap_handler_args {
389 __u64 tba_addr; /* to KFD */ 389 __u64 tba_addr; /* to KFD */
390 __u64 tma_addr; /* to KFD */ 390 __u64 tma_addr; /* to KFD */
391 __u32 gpu_id; /* to KFD */ 391 __u32 gpu_id; /* to KFD */
392 __u32 pad; 392 __u32 pad;
393 }; 393 };
394 394
395 struct kfd_ioctl_acquire_vm_args { 395 struct kfd_ioctl_acquire_vm_args {
396 __u32 drm_fd; /* to KFD */ 396 __u32 drm_fd; /* to KFD */
397 __u32 gpu_id; /* to KFD */ 397 __u32 gpu_id; /* to KFD */
398 }; 398 };
399 399
400 /* Allocation flags: memory types */ 400 /* Allocation flags: memory types */
401 #define KFD_IOC_ALLOC_MEM_FLAGS_VRAM 401 #define KFD_IOC_ALLOC_MEM_FLAGS_VRAM (1 << 0)
402 #define KFD_IOC_ALLOC_MEM_FLAGS_GTT 402 #define KFD_IOC_ALLOC_MEM_FLAGS_GTT (1 << 1)
403 #define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR 403 #define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR (1 << 2)
404 #define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL 404 #define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL (1 << 3)
405 #define KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP 405 #define KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP (1 << 4)
406 /* Allocation flags: attributes/access options 406 /* Allocation flags: attributes/access options */
407 #define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE 407 #define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE (1 << 31)
408 #define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE 408 #define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE (1 << 30)
409 #define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC 409 #define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC (1 << 29)
410 #define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE 410 #define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28)
411 #define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM 411 #define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM (1 << 27)
412 #define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT 412 #define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT (1 << 26)
413 #define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED 413 #define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED (1 << 25)
414 #define KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT 414 #define KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT (1 << 24)
415 #define KFD_IOC_ALLOC_MEM_FLAGS_CONTIGUOUS 415 #define KFD_IOC_ALLOC_MEM_FLAGS_CONTIGUOUS (1 << 23)
416 416
417 /* Allocate memory for later SVM (shared virtu 417 /* Allocate memory for later SVM (shared virtual memory) mapping.
418 * 418 *
419 * @va_addr: virtual address of the memory 419 * @va_addr: virtual address of the memory to be allocated
420 * all later mappings on all GPU 420 * all later mappings on all GPUs will use this address
421 * @size: size in bytes 421 * @size: size in bytes
422 * @handle: buffer handle returned to use 422 * @handle: buffer handle returned to user mode, used to refer to
423 * this allocation for mapping, 423 * this allocation for mapping, unmapping and freeing
424 * @mmap_offset: for CPU-mapping the allocatio 424 * @mmap_offset: for CPU-mapping the allocation by mmapping a render node
425 * for userptrs this is overload 425 * for userptrs this is overloaded to specify the CPU address
426 * @gpu_id: device identifier 426 * @gpu_id: device identifier
427 * @flags: memory type and attributes. S 427 * @flags: memory type and attributes. See KFD_IOC_ALLOC_MEM_FLAGS above
428 */ 428 */
429 struct kfd_ioctl_alloc_memory_of_gpu_args { 429 struct kfd_ioctl_alloc_memory_of_gpu_args {
430 __u64 va_addr; /* to KFD */ 430 __u64 va_addr; /* to KFD */
431 __u64 size; /* to KFD */ 431 __u64 size; /* to KFD */
432 __u64 handle; /* from KFD */ 432 __u64 handle; /* from KFD */
433 __u64 mmap_offset; /* to KFD (use 433 __u64 mmap_offset; /* to KFD (userptr), from KFD (mmap offset) */
434 __u32 gpu_id; /* to KFD */ 434 __u32 gpu_id; /* to KFD */
435 __u32 flags; 435 __u32 flags;
436 }; 436 };
437 437
438 /* Free memory allocated with kfd_ioctl_alloc_ 438 /* Free memory allocated with kfd_ioctl_alloc_memory_of_gpu
439 * 439 *
440 * @handle: memory handle returned by alloc 440 * @handle: memory handle returned by alloc
441 */ 441 */
442 struct kfd_ioctl_free_memory_of_gpu_args { 442 struct kfd_ioctl_free_memory_of_gpu_args {
443 __u64 handle; /* to KFD */ 443 __u64 handle; /* to KFD */
444 }; 444 };
445 445
446 /* Map memory to one or more GPUs 446 /* Map memory to one or more GPUs
447 * 447 *
448 * @handle: memory handle retur 448 * @handle: memory handle returned by alloc
449 * @device_ids_array_ptr: array of gpu_ids (_ 449 * @device_ids_array_ptr: array of gpu_ids (__u32 per device)
450 * @n_devices: number of devices i 450 * @n_devices: number of devices in the array
451 * @n_success: number of devices m 451 * @n_success: number of devices mapped successfully
452 * 452 *
453 * @n_success returns information to the calle 453 * @n_success returns information to the caller how many devices from
454 * the start of the array have mapped the buff 454 * the start of the array have mapped the buffer successfully. It can
455 * be passed into a subsequent retry call to s 455 * be passed into a subsequent retry call to skip those devices. For
456 * the first call the caller should initialize 456 * the first call the caller should initialize it to 0.
457 * 457 *
458 * If the ioctl completes with return code 0 ( 458 * If the ioctl completes with return code 0 (success), n_success ==
459 * n_devices. 459 * n_devices.
460 */ 460 */
461 struct kfd_ioctl_map_memory_to_gpu_args { 461 struct kfd_ioctl_map_memory_to_gpu_args {
462 __u64 handle; /* to 462 __u64 handle; /* to KFD */
463 __u64 device_ids_array_ptr; /* to 463 __u64 device_ids_array_ptr; /* to KFD */
464 __u32 n_devices; /* to 464 __u32 n_devices; /* to KFD */
465 __u32 n_success; /* to/ 465 __u32 n_success; /* to/from KFD */
466 }; 466 };
467 467
468 /* Unmap memory from one or more GPUs 468 /* Unmap memory from one or more GPUs
469 * 469 *
470 * same arguments as for mapping 470 * same arguments as for mapping
471 */ 471 */
472 struct kfd_ioctl_unmap_memory_from_gpu_args { 472 struct kfd_ioctl_unmap_memory_from_gpu_args {
473 __u64 handle; /* to 473 __u64 handle; /* to KFD */
474 __u64 device_ids_array_ptr; /* to 474 __u64 device_ids_array_ptr; /* to KFD */
475 __u32 n_devices; /* to 475 __u32 n_devices; /* to KFD */
476 __u32 n_success; /* to/ 476 __u32 n_success; /* to/from KFD */
477 }; 477 };
478 478
479 /* Allocate GWS for specific queue 479 /* Allocate GWS for specific queue
480 * 480 *
481 * @queue_id: queue's id that GWS is alloca 481 * @queue_id: queue's id that GWS is allocated for
482 * @num_gws: how many GWS to allocate 482 * @num_gws: how many GWS to allocate
483 * @first_gws: index of the first GWS alloca 483 * @first_gws: index of the first GWS allocated.
484 * only support contiguous GWS a 484 * only support contiguous GWS allocation
485 */ 485 */
486 struct kfd_ioctl_alloc_queue_gws_args { 486 struct kfd_ioctl_alloc_queue_gws_args {
487 __u32 queue_id; /* to KFD */ 487 __u32 queue_id; /* to KFD */
488 __u32 num_gws; /* to KFD */ 488 __u32 num_gws; /* to KFD */
489 __u32 first_gws; /* from KFD */ 489 __u32 first_gws; /* from KFD */
490 __u32 pad; 490 __u32 pad;
491 }; 491 };
492 492
493 struct kfd_ioctl_get_dmabuf_info_args { 493 struct kfd_ioctl_get_dmabuf_info_args {
494 __u64 size; /* from KFD */ 494 __u64 size; /* from KFD */
495 __u64 metadata_ptr; /* to KFD */ 495 __u64 metadata_ptr; /* to KFD */
496 __u32 metadata_size; /* to KFD (spa 496 __u32 metadata_size; /* to KFD (space allocated by user)
497 * from KFD (a 497 * from KFD (actual metadata size)
498 */ 498 */
499 __u32 gpu_id; /* from KFD */ 499 __u32 gpu_id; /* from KFD */
500 __u32 flags; /* from KFD (K 500 __u32 flags; /* from KFD (KFD_IOC_ALLOC_MEM_FLAGS) */
501 __u32 dmabuf_fd; /* to KFD */ 501 __u32 dmabuf_fd; /* to KFD */
502 }; 502 };
503 503
504 struct kfd_ioctl_import_dmabuf_args { 504 struct kfd_ioctl_import_dmabuf_args {
505 __u64 va_addr; /* to KFD */ 505 __u64 va_addr; /* to KFD */
506 __u64 handle; /* from KFD */ 506 __u64 handle; /* from KFD */
507 __u32 gpu_id; /* to KFD */ 507 __u32 gpu_id; /* to KFD */
508 __u32 dmabuf_fd; /* to KFD */ 508 __u32 dmabuf_fd; /* to KFD */
509 }; 509 };
510 510
511 struct kfd_ioctl_export_dmabuf_args { 511 struct kfd_ioctl_export_dmabuf_args {
512 __u64 handle; /* to KFD */ 512 __u64 handle; /* to KFD */
513 __u32 flags; /* to KFD */ 513 __u32 flags; /* to KFD */
514 __u32 dmabuf_fd; /* from KFD */ 514 __u32 dmabuf_fd; /* from KFD */
515 }; 515 };
516 516
517 /* 517 /*
518 * KFD SMI(System Management Interface) events 518 * KFD SMI(System Management Interface) events
519 */ 519 */
520 enum kfd_smi_event { 520 enum kfd_smi_event {
521 KFD_SMI_EVENT_NONE = 0, /* not used */ 521 KFD_SMI_EVENT_NONE = 0, /* not used */
522 KFD_SMI_EVENT_VMFAULT = 1, /* event st 522 KFD_SMI_EVENT_VMFAULT = 1, /* event start counting at 1 */
523 KFD_SMI_EVENT_THERMAL_THROTTLE = 2, 523 KFD_SMI_EVENT_THERMAL_THROTTLE = 2,
524 KFD_SMI_EVENT_GPU_PRE_RESET = 3, 524 KFD_SMI_EVENT_GPU_PRE_RESET = 3,
525 KFD_SMI_EVENT_GPU_POST_RESET = 4, 525 KFD_SMI_EVENT_GPU_POST_RESET = 4,
526 KFD_SMI_EVENT_MIGRATE_START = 5, 526 KFD_SMI_EVENT_MIGRATE_START = 5,
527 KFD_SMI_EVENT_MIGRATE_END = 6, 527 KFD_SMI_EVENT_MIGRATE_END = 6,
528 KFD_SMI_EVENT_PAGE_FAULT_START = 7, 528 KFD_SMI_EVENT_PAGE_FAULT_START = 7,
529 KFD_SMI_EVENT_PAGE_FAULT_END = 8, 529 KFD_SMI_EVENT_PAGE_FAULT_END = 8,
530 KFD_SMI_EVENT_QUEUE_EVICTION = 9, 530 KFD_SMI_EVENT_QUEUE_EVICTION = 9,
531 KFD_SMI_EVENT_QUEUE_RESTORE = 10, 531 KFD_SMI_EVENT_QUEUE_RESTORE = 10,
532 KFD_SMI_EVENT_UNMAP_FROM_GPU = 11, 532 KFD_SMI_EVENT_UNMAP_FROM_GPU = 11,
533 533
534 /* 534 /*
535 * max event number, as a flag bit to 535 * max event number, as a flag bit to get events from all processes,
536 * this requires super user permission 536 * this requires super user permission, otherwise will not be able to
537 * receive event from any process. Wit 537 * receive event from any process. Without this flag to receive events
538 * from same process. 538 * from same process.
539 */ 539 */
540 KFD_SMI_EVENT_ALL_PROCESS = 64 540 KFD_SMI_EVENT_ALL_PROCESS = 64
541 }; 541 };
542 542
543 /* The reason of the page migration event */ 543 /* The reason of the page migration event */
544 enum KFD_MIGRATE_TRIGGERS { 544 enum KFD_MIGRATE_TRIGGERS {
545 KFD_MIGRATE_TRIGGER_PREFETCH, 545 KFD_MIGRATE_TRIGGER_PREFETCH, /* Prefetch to GPU VRAM or system memory */
546 KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU, 546 KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU, /* GPU page fault recover */
547 KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU, 547 KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU, /* CPU page fault recover */
548 KFD_MIGRATE_TRIGGER_TTM_EVICTION 548 KFD_MIGRATE_TRIGGER_TTM_EVICTION /* TTM eviction */
549 }; 549 };
550 550
551 /* The reason of user queue evition event */ 551 /* The reason of user queue evition event */
552 enum KFD_QUEUE_EVICTION_TRIGGERS { 552 enum KFD_QUEUE_EVICTION_TRIGGERS {
553 KFD_QUEUE_EVICTION_TRIGGER_SVM, 553 KFD_QUEUE_EVICTION_TRIGGER_SVM, /* SVM buffer migration */
554 KFD_QUEUE_EVICTION_TRIGGER_USERPTR, 554 KFD_QUEUE_EVICTION_TRIGGER_USERPTR, /* userptr movement */
555 KFD_QUEUE_EVICTION_TRIGGER_TTM, 555 KFD_QUEUE_EVICTION_TRIGGER_TTM, /* TTM move buffer */
556 KFD_QUEUE_EVICTION_TRIGGER_SUSPEND, 556 KFD_QUEUE_EVICTION_TRIGGER_SUSPEND, /* GPU suspend */
557 KFD_QUEUE_EVICTION_CRIU_CHECKPOINT, 557 KFD_QUEUE_EVICTION_CRIU_CHECKPOINT, /* CRIU checkpoint */
558 KFD_QUEUE_EVICTION_CRIU_RESTORE 558 KFD_QUEUE_EVICTION_CRIU_RESTORE /* CRIU restore */
559 }; 559 };
560 560
561 /* The reason of unmap buffer from GPU event * 561 /* The reason of unmap buffer from GPU event */
562 enum KFD_SVM_UNMAP_TRIGGERS { 562 enum KFD_SVM_UNMAP_TRIGGERS {
563 KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY, 563 KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY, /* MMU notifier CPU buffer movement */
564 KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRA 564 KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE,/* MMU notifier page migration */
565 KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU 565 KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU /* Unmap to free the buffer */
566 }; 566 };
567 567
568 #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL 568 #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1))
569 #define KFD_SMI_EVENT_MSG_SIZE 96 569 #define KFD_SMI_EVENT_MSG_SIZE 96
570 570
571 struct kfd_ioctl_smi_events_args { 571 struct kfd_ioctl_smi_events_args {
572 __u32 gpuid; /* to KFD */ 572 __u32 gpuid; /* to KFD */
573 __u32 anon_fd; /* from KFD */ 573 __u32 anon_fd; /* from KFD */
574 }; 574 };
575 575
576 /* 576 /*
577 * SVM event tracing via SMI system management 577 * SVM event tracing via SMI system management interface
578 * 578 *
579 * Open event file descriptor 579 * Open event file descriptor
580 * use ioctl AMDKFD_IOC_SMI_EVENTS, pass in 580 * use ioctl AMDKFD_IOC_SMI_EVENTS, pass in gpuid and return a anonymous file
581 * descriptor to receive SMI events. 581 * descriptor to receive SMI events.
582 * If calling with sudo permission, then fi 582 * If calling with sudo permission, then file descriptor can be used to receive
583 * SVM events from all processes, otherwise 583 * SVM events from all processes, otherwise, to only receive SVM events of same
584 * process. 584 * process.
585 * 585 *
586 * To enable the SVM event 586 * To enable the SVM event
587 * Write event file descriptor with KFD_SMI 587 * Write event file descriptor with KFD_SMI_EVENT_MASK_FROM_INDEX(event) bitmap
588 * mask to start record the event to the kf 588 * mask to start record the event to the kfifo, use bitmap mask combination
589 * for multiple events. New event mask will 589 * for multiple events. New event mask will overwrite the previous event mask.
590 * KFD_SMI_EVENT_MASK_FROM_INDEX(KFD_SMI_EV 590 * KFD_SMI_EVENT_MASK_FROM_INDEX(KFD_SMI_EVENT_ALL_PROCESS) bit requires sudo
591 * permisson to receive SVM events from all 591 * permisson to receive SVM events from all process.
592 * 592 *
593 * To receive the event 593 * To receive the event
594 * Application can poll file descriptor to 594 * Application can poll file descriptor to wait for the events, then read event
595 * from the file into a buffer. Each event 595 * from the file into a buffer. Each event is one line string message, starting
596 * with the event id, then the event specif 596 * with the event id, then the event specific information.
597 * 597 *
598 * To decode event information 598 * To decode event information
599 * The following event format string macro 599 * The following event format string macro can be used with sscanf to decode
600 * the specific event information. 600 * the specific event information.
601 * event triggers: the reason to generate t 601 * event triggers: the reason to generate the event, defined as enum for unmap,
602 * eviction and migrate events. 602 * eviction and migrate events.
603 * node, from, to, prefetch_loc, preferred_ 603 * node, from, to, prefetch_loc, preferred_loc: GPU ID, or 0 for system memory.
604 * addr: user mode address, in pages 604 * addr: user mode address, in pages
605 * size: in pages 605 * size: in pages
606 * pid: the process ID to generate the even 606 * pid: the process ID to generate the event
607 * ns: timestamp in nanosecond-resolution, 607 * ns: timestamp in nanosecond-resolution, starts at system boot time but
608 * stops during suspend 608 * stops during suspend
609 * migrate_update: GPU page fault is recove 609 * migrate_update: GPU page fault is recovered by 'M' for migrate, 'U' for update
610 * rw: 'W' for write page fault, 'R' for re 610 * rw: 'W' for write page fault, 'R' for read page fault
611 * rescheduled: 'R' if the queue restore fa 611 * rescheduled: 'R' if the queue restore failed and rescheduled to try again
612 */ 612 */
613 #define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_s 613 #define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_seq_num, reset_cause)\
614 "%x %s\n", (reset_seq_num), (r 614 "%x %s\n", (reset_seq_num), (reset_cause)
615 615
616 #define KFD_EVENT_FMT_THERMAL_THROTTLING(bitma 616 #define KFD_EVENT_FMT_THERMAL_THROTTLING(bitmask, counter)\
617 "%llx:%llx\n", (bitmask), (cou 617 "%llx:%llx\n", (bitmask), (counter)
618 618
619 #define KFD_EVENT_FMT_VMFAULT(pid, task_name)\ 619 #define KFD_EVENT_FMT_VMFAULT(pid, task_name)\
620 "%x:%s\n", (pid), (task_name) 620 "%x:%s\n", (pid), (task_name)
621 621
622 #define KFD_EVENT_FMT_PAGEFAULT_START(ns, pid, 622 #define KFD_EVENT_FMT_PAGEFAULT_START(ns, pid, addr, node, rw)\
623 "%lld -%d @%lx(%x) %c\n", (ns) 623 "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (rw)
624 624
625 #define KFD_EVENT_FMT_PAGEFAULT_END(ns, pid, a 625 #define KFD_EVENT_FMT_PAGEFAULT_END(ns, pid, addr, node, migrate_update)\
626 "%lld -%d @%lx(%x) %c\n", (ns) 626 "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (migrate_update)
627 627
628 #define KFD_EVENT_FMT_MIGRATE_START(ns, pid, s 628 #define KFD_EVENT_FMT_MIGRATE_START(ns, pid, start, size, from, to, prefetch_loc,\
629 preferred_loc, migrate_trigger 629 preferred_loc, migrate_trigger)\
630 "%lld -%d @%lx(%lx) %x->%x %x: 630 "%lld -%d @%lx(%lx) %x->%x %x:%x %d\n", (ns), (pid), (start), (size),\
631 (from), (to), (prefetch_loc), 631 (from), (to), (prefetch_loc), (preferred_loc), (migrate_trigger)
632 632
633 #define KFD_EVENT_FMT_MIGRATE_END(ns, pid, sta 633 #define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, migrate_trigger)\
634 "%lld -%d @%lx(%lx) %x->%x %d\ 634 "%lld -%d @%lx(%lx) %x->%x %d\n", (ns), (pid), (start), (size),\
635 (from), (to), (migrate_trigger 635 (from), (to), (migrate_trigger)
636 636
637 #define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, 637 #define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, node, evict_trigger)\
638 "%lld -%d %x %d\n", (ns), (pid 638 "%lld -%d %x %d\n", (ns), (pid), (node), (evict_trigger)
639 639
640 #define KFD_EVENT_FMT_QUEUE_RESTORE(ns, pid, n 640 #define KFD_EVENT_FMT_QUEUE_RESTORE(ns, pid, node, rescheduled)\
641 "%lld -%d %x %c\n", (ns), (pid 641 "%lld -%d %x %c\n", (ns), (pid), (node), (rescheduled)
642 642
643 #define KFD_EVENT_FMT_UNMAP_FROM_GPU(ns, pid, 643 #define KFD_EVENT_FMT_UNMAP_FROM_GPU(ns, pid, addr, size, node, unmap_trigger)\
644 "%lld -%d @%lx(%lx) %x %d\n", 644 "%lld -%d @%lx(%lx) %x %d\n", (ns), (pid), (addr), (size),\
645 (node), (unmap_trigger) 645 (node), (unmap_trigger)
646 646
647 /********************************************* 647 /**************************************************************************************************
648 * CRIU IOCTLs (Checkpoint Restore In Userspac 648 * CRIU IOCTLs (Checkpoint Restore In Userspace)
649 * 649 *
650 * When checkpointing a process, the userspace 650 * When checkpointing a process, the userspace application will perform:
651 * 1. PROCESS_INFO op to determine current pro 651 * 1. PROCESS_INFO op to determine current process information. This pauses execution and evicts
652 * all the queues. 652 * all the queues.
653 * 2. CHECKPOINT op to checkpoint process cont 653 * 2. CHECKPOINT op to checkpoint process contents (BOs, queues, events, svm-ranges)
654 * 3. UNPAUSE op to un-evict all the queues 654 * 3. UNPAUSE op to un-evict all the queues
655 * 655 *
656 * When restoring a process, the CRIU userspac 656 * When restoring a process, the CRIU userspace application will perform:
657 * 657 *
658 * 1. RESTORE op to restore process contents 658 * 1. RESTORE op to restore process contents
659 * 2. RESUME op to start the process 659 * 2. RESUME op to start the process
660 * 660 *
661 * Note: Queues are forced into an evicted sta 661 * Note: Queues are forced into an evicted state after a successful PROCESS_INFO. User
662 * application needs to perform an UNPAUSE ope 662 * application needs to perform an UNPAUSE operation after calling PROCESS_INFO.
663 */ 663 */
664 664
665 enum kfd_criu_op { 665 enum kfd_criu_op {
666 KFD_CRIU_OP_PROCESS_INFO, 666 KFD_CRIU_OP_PROCESS_INFO,
667 KFD_CRIU_OP_CHECKPOINT, 667 KFD_CRIU_OP_CHECKPOINT,
668 KFD_CRIU_OP_UNPAUSE, 668 KFD_CRIU_OP_UNPAUSE,
669 KFD_CRIU_OP_RESTORE, 669 KFD_CRIU_OP_RESTORE,
670 KFD_CRIU_OP_RESUME, 670 KFD_CRIU_OP_RESUME,
671 }; 671 };
672 672
673 /** 673 /**
674 * kfd_ioctl_criu_args - Arguments perform CRI 674 * kfd_ioctl_criu_args - Arguments perform CRIU operation
675 * @devices: [in/out] User pointer 675 * @devices: [in/out] User pointer to memory location for devices information.
676 * This is an array of ty 676 * This is an array of type kfd_criu_device_bucket.
677 * @bos: [in/out] User pointer 677 * @bos: [in/out] User pointer to memory location for BOs information
678 * This is an array of ty 678 * This is an array of type kfd_criu_bo_bucket.
679 * @priv_data: [in/out] User pointer 679 * @priv_data: [in/out] User pointer to memory location for private data
680 * @priv_data_size: [in/out] Size of priv_ 680 * @priv_data_size: [in/out] Size of priv_data in bytes
681 * @num_devices: [in/out] Number of GPU 681 * @num_devices: [in/out] Number of GPUs used by process. Size of @devices array.
682 * @num_bos [in/out] Number of BOs 682 * @num_bos [in/out] Number of BOs used by process. Size of @bos array.
683 * @num_objects: [in/out] Number of obj 683 * @num_objects: [in/out] Number of objects used by process. Objects are opaque to
684 * user applicat 684 * user application.
685 * @pid: [in/out] PID of the pr 685 * @pid: [in/out] PID of the process being checkpointed
686 * @op [in] Type of operation 686 * @op [in] Type of operation (kfd_criu_op)
687 * 687 *
688 * Return: 0 on success, -errno on failure 688 * Return: 0 on success, -errno on failure
689 */ 689 */
690 struct kfd_ioctl_criu_args { 690 struct kfd_ioctl_criu_args {
691 __u64 devices; /* Used during 691 __u64 devices; /* Used during ops: CHECKPOINT, RESTORE */
692 __u64 bos; /* Used during 692 __u64 bos; /* Used during ops: CHECKPOINT, RESTORE */
693 __u64 priv_data; /* Used during 693 __u64 priv_data; /* Used during ops: CHECKPOINT, RESTORE */
694 __u64 priv_data_size; /* Used during 694 __u64 priv_data_size; /* Used during ops: PROCESS_INFO, RESTORE */
695 __u32 num_devices; /* Used during 695 __u32 num_devices; /* Used during ops: PROCESS_INFO, RESTORE */
696 __u32 num_bos; /* Used during 696 __u32 num_bos; /* Used during ops: PROCESS_INFO, RESTORE */
697 __u32 num_objects; /* Used during 697 __u32 num_objects; /* Used during ops: PROCESS_INFO, RESTORE */
698 __u32 pid; /* Used during 698 __u32 pid; /* Used during ops: PROCESS_INFO, RESUME */
699 __u32 op; 699 __u32 op;
700 }; 700 };
701 701
702 struct kfd_criu_device_bucket { 702 struct kfd_criu_device_bucket {
703 __u32 user_gpu_id; 703 __u32 user_gpu_id;
704 __u32 actual_gpu_id; 704 __u32 actual_gpu_id;
705 __u32 drm_fd; 705 __u32 drm_fd;
706 __u32 pad; 706 __u32 pad;
707 }; 707 };
708 708
709 struct kfd_criu_bo_bucket { 709 struct kfd_criu_bo_bucket {
710 __u64 addr; 710 __u64 addr;
711 __u64 size; 711 __u64 size;
712 __u64 offset; 712 __u64 offset;
713 __u64 restored_offset; /* During re 713 __u64 restored_offset; /* During restore, updated offset for BO */
714 __u32 gpu_id; /* This is t 714 __u32 gpu_id; /* This is the user_gpu_id */
715 __u32 alloc_flags; 715 __u32 alloc_flags;
716 __u32 dmabuf_fd; 716 __u32 dmabuf_fd;
717 __u32 pad; 717 __u32 pad;
718 }; 718 };
719 719
720 /* CRIU IOCTLs - END */ 720 /* CRIU IOCTLs - END */
721 /********************************************* 721 /**************************************************************************************************/
722 722
723 /* Register offset inside the remapped mmio pa 723 /* Register offset inside the remapped mmio page
724 */ 724 */
725 enum kfd_mmio_remap { 725 enum kfd_mmio_remap {
726 KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL = 0, 726 KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL = 0,
727 KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL = 4, 727 KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL = 4,
728 }; 728 };
729 729
730 /* Guarantee host access to memory */ 730 /* Guarantee host access to memory */
731 #define KFD_IOCTL_SVM_FLAG_HOST_ACCESS 0x00000 731 #define KFD_IOCTL_SVM_FLAG_HOST_ACCESS 0x00000001
732 /* Fine grained coherency between all devices 732 /* Fine grained coherency between all devices with access */
733 #define KFD_IOCTL_SVM_FLAG_COHERENT 0x00000 733 #define KFD_IOCTL_SVM_FLAG_COHERENT 0x00000002
734 /* Use any GPU in same hive as preferred devic 734 /* Use any GPU in same hive as preferred device */
735 #define KFD_IOCTL_SVM_FLAG_HIVE_LOCAL 0x00000 735 #define KFD_IOCTL_SVM_FLAG_HIVE_LOCAL 0x00000004
736 /* GPUs only read, allows replication */ 736 /* GPUs only read, allows replication */
737 #define KFD_IOCTL_SVM_FLAG_GPU_RO 0x00000 737 #define KFD_IOCTL_SVM_FLAG_GPU_RO 0x00000008
738 /* Allow execution on GPU */ 738 /* Allow execution on GPU */
739 #define KFD_IOCTL_SVM_FLAG_GPU_EXEC 0x00000 739 #define KFD_IOCTL_SVM_FLAG_GPU_EXEC 0x00000010
740 /* GPUs mostly read, may allow similar optimiz 740 /* GPUs mostly read, may allow similar optimizations as RO, but writes fault */
741 #define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY 741 #define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY 0x00000020
742 /* Keep GPU memory mapping always valid as if 742 /* Keep GPU memory mapping always valid as if XNACK is disable */
743 #define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED 743 #define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED 0x00000040
744 /* Fine grained coherency between all devices 744 /* Fine grained coherency between all devices using device-scope atomics */
745 #define KFD_IOCTL_SVM_FLAG_EXT_COHERENT 745 #define KFD_IOCTL_SVM_FLAG_EXT_COHERENT 0x00000080
746 746
747 /** 747 /**
748 * kfd_ioctl_svm_op - SVM ioctl operations 748 * kfd_ioctl_svm_op - SVM ioctl operations
749 * 749 *
750 * @KFD_IOCTL_SVM_OP_SET_ATTR: Modify one or m 750 * @KFD_IOCTL_SVM_OP_SET_ATTR: Modify one or more attributes
751 * @KFD_IOCTL_SVM_OP_GET_ATTR: Query one or mo 751 * @KFD_IOCTL_SVM_OP_GET_ATTR: Query one or more attributes
752 */ 752 */
753 enum kfd_ioctl_svm_op { 753 enum kfd_ioctl_svm_op {
754 KFD_IOCTL_SVM_OP_SET_ATTR, 754 KFD_IOCTL_SVM_OP_SET_ATTR,
755 KFD_IOCTL_SVM_OP_GET_ATTR 755 KFD_IOCTL_SVM_OP_GET_ATTR
756 }; 756 };
757 757
758 /** kfd_ioctl_svm_location - Enum for preferre 758 /** kfd_ioctl_svm_location - Enum for preferred and prefetch locations
759 * 759 *
760 * GPU IDs are used to specify GPUs as preferr 760 * GPU IDs are used to specify GPUs as preferred and prefetch locations.
761 * Below definitions are used for system memor 761 * Below definitions are used for system memory or for leaving the preferred
762 * location unspecified. 762 * location unspecified.
763 */ 763 */
764 enum kfd_ioctl_svm_location { 764 enum kfd_ioctl_svm_location {
765 KFD_IOCTL_SVM_LOCATION_SYSMEM = 0, 765 KFD_IOCTL_SVM_LOCATION_SYSMEM = 0,
766 KFD_IOCTL_SVM_LOCATION_UNDEFINED = 0xf 766 KFD_IOCTL_SVM_LOCATION_UNDEFINED = 0xffffffff
767 }; 767 };
768 768
769 /** 769 /**
770 * kfd_ioctl_svm_attr_type - SVM attribute typ 770 * kfd_ioctl_svm_attr_type - SVM attribute types
771 * 771 *
772 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC: gpuid of 772 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC: gpuid of the preferred location, 0 for
773 * system m 773 * system memory
774 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC: gpuid of 774 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC: gpuid of the prefetch location, 0 for
775 * system me 775 * system memory. Setting this triggers an
776 * immediate 776 * immediate prefetch (migration).
777 * @KFD_IOCTL_SVM_ATTR_ACCESS: 777 * @KFD_IOCTL_SVM_ATTR_ACCESS:
778 * @KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE: 778 * @KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE:
779 * @KFD_IOCTL_SVM_ATTR_NO_ACCESS: specify memo 779 * @KFD_IOCTL_SVM_ATTR_NO_ACCESS: specify memory access for the gpuid given
780 * by the attri 780 * by the attribute value
781 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS: bitmask of f 781 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS: bitmask of flags to set (see
782 * KFD_IOCTL_SV 782 * KFD_IOCTL_SVM_FLAG_...)
783 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS: bitmask of f 783 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS: bitmask of flags to clear
784 * @KFD_IOCTL_SVM_ATTR_GRANULARITY: migration 784 * @KFD_IOCTL_SVM_ATTR_GRANULARITY: migration granularity
785 * (log2 num 785 * (log2 num pages)
786 */ 786 */
787 enum kfd_ioctl_svm_attr_type { 787 enum kfd_ioctl_svm_attr_type {
788 KFD_IOCTL_SVM_ATTR_PREFERRED_LOC, 788 KFD_IOCTL_SVM_ATTR_PREFERRED_LOC,
789 KFD_IOCTL_SVM_ATTR_PREFETCH_LOC, 789 KFD_IOCTL_SVM_ATTR_PREFETCH_LOC,
790 KFD_IOCTL_SVM_ATTR_ACCESS, 790 KFD_IOCTL_SVM_ATTR_ACCESS,
791 KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE, 791 KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE,
792 KFD_IOCTL_SVM_ATTR_NO_ACCESS, 792 KFD_IOCTL_SVM_ATTR_NO_ACCESS,
793 KFD_IOCTL_SVM_ATTR_SET_FLAGS, 793 KFD_IOCTL_SVM_ATTR_SET_FLAGS,
794 KFD_IOCTL_SVM_ATTR_CLR_FLAGS, 794 KFD_IOCTL_SVM_ATTR_CLR_FLAGS,
795 KFD_IOCTL_SVM_ATTR_GRANULARITY 795 KFD_IOCTL_SVM_ATTR_GRANULARITY
796 }; 796 };
797 797
798 /** 798 /**
799 * kfd_ioctl_svm_attribute - Attributes as pai 799 * kfd_ioctl_svm_attribute - Attributes as pairs of type and value
800 * 800 *
801 * The meaning of the @value depends on the at 801 * The meaning of the @value depends on the attribute type.
802 * 802 *
803 * @type: attribute type (see enum @kfd_ioctl_ 803 * @type: attribute type (see enum @kfd_ioctl_svm_attr_type)
804 * @value: attribute value 804 * @value: attribute value
805 */ 805 */
806 struct kfd_ioctl_svm_attribute { 806 struct kfd_ioctl_svm_attribute {
807 __u32 type; 807 __u32 type;
808 __u32 value; 808 __u32 value;
809 }; 809 };
810 810
811 /** 811 /**
812 * kfd_ioctl_svm_args - Arguments for SVM ioct 812 * kfd_ioctl_svm_args - Arguments for SVM ioctl
813 * 813 *
814 * @op specifies the operation to perform (see 814 * @op specifies the operation to perform (see enum
815 * @kfd_ioctl_svm_op). @start_addr and @size 815 * @kfd_ioctl_svm_op). @start_addr and @size are common for all
816 * operations. 816 * operations.
817 * 817 *
818 * A variable number of attributes can be give 818 * A variable number of attributes can be given in @attrs.
819 * @nattr specifies the number of attributes. 819 * @nattr specifies the number of attributes. New attributes can be
820 * added in the future without breaking the AB 820 * added in the future without breaking the ABI. If unknown attributes
821 * are given, the function returns -EINVAL. 821 * are given, the function returns -EINVAL.
822 * 822 *
823 * @KFD_IOCTL_SVM_OP_SET_ATTR sets attributes 823 * @KFD_IOCTL_SVM_OP_SET_ATTR sets attributes for a virtual address
824 * range. It may overlap existing virtual addr 824 * range. It may overlap existing virtual address ranges. If it does,
825 * the existing ranges will be split such that 825 * the existing ranges will be split such that the attribute changes
826 * only apply to the specified address range. 826 * only apply to the specified address range.
827 * 827 *
828 * @KFD_IOCTL_SVM_OP_GET_ATTR returns the inte 828 * @KFD_IOCTL_SVM_OP_GET_ATTR returns the intersection of attributes
829 * over all memory in the given range and retu 829 * over all memory in the given range and returns the result as the
830 * attribute value. If different pages have di 830 * attribute value. If different pages have different preferred or
831 * prefetch locations, 0xffffffff will be retu 831 * prefetch locations, 0xffffffff will be returned for
832 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC or 832 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC or
833 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC resepctive 833 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC resepctively. For
834 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS, flags of all 834 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS, flags of all pages will be
835 * aggregated by bitwise AND. That means, a fl 835 * aggregated by bitwise AND. That means, a flag will be set in the
836 * output, if that flag is set for all pages i 836 * output, if that flag is set for all pages in the range. For
837 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS, flags of all 837 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS, flags of all pages will be
838 * aggregated by bitwise NOR. That means, a fl 838 * aggregated by bitwise NOR. That means, a flag will be set in the
839 * output, if that flag is clear for all pages 839 * output, if that flag is clear for all pages in the range.
840 * The minimum migration granularity throughou 840 * The minimum migration granularity throughout the range will be
841 * returned for @KFD_IOCTL_SVM_ATTR_GRANULARIT 841 * returned for @KFD_IOCTL_SVM_ATTR_GRANULARITY.
842 * 842 *
843 * Querying of accessibility attributes works 843 * Querying of accessibility attributes works by initializing the
844 * attribute type to @KFD_IOCTL_SVM_ATTR_ACCES 844 * attribute type to @KFD_IOCTL_SVM_ATTR_ACCESS and the value to the
845 * GPUID being queried. Multiple attributes ca 845 * GPUID being queried. Multiple attributes can be given to allow
846 * querying multiple GPUIDs. The ioctl functio 846 * querying multiple GPUIDs. The ioctl function overwrites the
847 * attribute type to indicate the access for t 847 * attribute type to indicate the access for the specified GPU.
848 */ 848 */
849 struct kfd_ioctl_svm_args { 849 struct kfd_ioctl_svm_args {
850 __u64 start_addr; 850 __u64 start_addr;
851 __u64 size; 851 __u64 size;
852 __u32 op; 852 __u32 op;
853 __u32 nattr; 853 __u32 nattr;
854 /* Variable length array of attributes 854 /* Variable length array of attributes */
855 struct kfd_ioctl_svm_attribute attrs[] 855 struct kfd_ioctl_svm_attribute attrs[];
856 }; 856 };
857 857
858 /** 858 /**
859 * kfd_ioctl_set_xnack_mode_args - Arguments f 859 * kfd_ioctl_set_xnack_mode_args - Arguments for set_xnack_mode
860 * 860 *
861 * @xnack_enabled: [in/out] Whether to e 861 * @xnack_enabled: [in/out] Whether to enable XNACK mode for this process
862 * 862 *
863 * @xnack_enabled indicates whether recoverabl 863 * @xnack_enabled indicates whether recoverable page faults should be
864 * enabled for the current process. 0 means di 864 * enabled for the current process. 0 means disabled, positive means
865 * enabled, negative means leave unchanged. If 865 * enabled, negative means leave unchanged. If enabled, virtual address
866 * translations on GFXv9 and later AMD GPUs ca 866 * translations on GFXv9 and later AMD GPUs can return XNACK and retry
867 * the access until a valid PTE is available. 867 * the access until a valid PTE is available. This is used to implement
868 * device page faults. 868 * device page faults.
869 * 869 *
870 * On output, @xnack_enabled returns the (new) 870 * On output, @xnack_enabled returns the (new) current mode (0 or
871 * positive). Therefore, a negative input valu 871 * positive). Therefore, a negative input value can be used to query
872 * the current mode without changing it. 872 * the current mode without changing it.
873 * 873 *
874 * The XNACK mode fundamentally changes the wa 874 * The XNACK mode fundamentally changes the way SVM managed memory works
875 * in the driver, with subtle effects on appli 875 * in the driver, with subtle effects on application performance and
876 * functionality. 876 * functionality.
877 * 877 *
878 * Enabling XNACK mode requires shader program 878 * Enabling XNACK mode requires shader programs to be compiled
879 * differently. Furthermore, not all GPUs supp 879 * differently. Furthermore, not all GPUs support changing the mode
880 * per-process. Therefore changing the mode is 880 * per-process. Therefore changing the mode is only allowed while no
881 * user mode queues exist in the process. This 881 * user mode queues exist in the process. This ensure that no shader
882 * code is running that may be compiled for th 882 * code is running that may be compiled for the wrong mode. And GPUs
883 * that cannot change to the requested mode wi 883 * that cannot change to the requested mode will prevent the XNACK
884 * mode from occurring. All GPUs used by the p 884 * mode from occurring. All GPUs used by the process must be in the
885 * same XNACK mode. 885 * same XNACK mode.
886 * 886 *
887 * GFXv8 or older GPUs do not support 48 bit v 887 * GFXv8 or older GPUs do not support 48 bit virtual addresses or SVM.
888 * Therefore those GPUs are not considered for 888 * Therefore those GPUs are not considered for the XNACK mode switch.
889 * 889 *
890 * Return: 0 on success, -errno on failure 890 * Return: 0 on success, -errno on failure
891 */ 891 */
892 struct kfd_ioctl_set_xnack_mode_args { 892 struct kfd_ioctl_set_xnack_mode_args {
893 __s32 xnack_enabled; 893 __s32 xnack_enabled;
894 }; 894 };
895 895
896 /* Wave launch override modes */ 896 /* Wave launch override modes */
897 enum kfd_dbg_trap_override_mode { 897 enum kfd_dbg_trap_override_mode {
898 KFD_DBG_TRAP_OVERRIDE_OR = 0, 898 KFD_DBG_TRAP_OVERRIDE_OR = 0,
899 KFD_DBG_TRAP_OVERRIDE_REPLACE = 1 899 KFD_DBG_TRAP_OVERRIDE_REPLACE = 1
900 }; 900 };
901 901
902 /* Wave launch overrides */ 902 /* Wave launch overrides */
903 enum kfd_dbg_trap_mask { 903 enum kfd_dbg_trap_mask {
904 KFD_DBG_TRAP_MASK_FP_INVALID = 1, 904 KFD_DBG_TRAP_MASK_FP_INVALID = 1,
905 KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL = 905 KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL = 2,
906 KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO = 906 KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO = 4,
907 KFD_DBG_TRAP_MASK_FP_OVERFLOW = 8, 907 KFD_DBG_TRAP_MASK_FP_OVERFLOW = 8,
908 KFD_DBG_TRAP_MASK_FP_UNDERFLOW = 16, 908 KFD_DBG_TRAP_MASK_FP_UNDERFLOW = 16,
909 KFD_DBG_TRAP_MASK_FP_INEXACT = 32, 909 KFD_DBG_TRAP_MASK_FP_INEXACT = 32,
910 KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO = 910 KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO = 64,
911 KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH = 911 KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH = 128,
912 KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION 912 KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION = 256,
913 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START = 913 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START = (1 << 30),
914 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END = ( 914 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END = (1 << 31)
915 }; 915 };
916 916
917 /* Wave launch modes */ 917 /* Wave launch modes */
918 enum kfd_dbg_trap_wave_launch_mode { 918 enum kfd_dbg_trap_wave_launch_mode {
919 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_NORMAL = 919 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_NORMAL = 0,
920 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_HALT = 1 920 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_HALT = 1,
921 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_DEBUG = 921 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_DEBUG = 3
922 }; 922 };
923 923
924 /* Address watch modes */ 924 /* Address watch modes */
925 enum kfd_dbg_trap_address_watch_mode { 925 enum kfd_dbg_trap_address_watch_mode {
926 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_READ = 926 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_READ = 0,
927 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_NONREA 927 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_NONREAD = 1,
928 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ATOMIC 928 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ATOMIC = 2,
929 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ALL = 929 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ALL = 3
930 }; 930 };
931 931
932 /* Additional wave settings */ 932 /* Additional wave settings */
933 enum kfd_dbg_trap_flags { 933 enum kfd_dbg_trap_flags {
934 KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP = 1, 934 KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP = 1,
935 KFD_DBG_TRAP_FLAG_SINGLE_ALU_OP = 2, 935 KFD_DBG_TRAP_FLAG_SINGLE_ALU_OP = 2,
936 }; 936 };
937 937
938 /* Trap exceptions */ 938 /* Trap exceptions */
939 enum kfd_dbg_trap_exception_code { 939 enum kfd_dbg_trap_exception_code {
940 EC_NONE = 0, 940 EC_NONE = 0,
941 /* per queue */ 941 /* per queue */
942 EC_QUEUE_WAVE_ABORT = 1, 942 EC_QUEUE_WAVE_ABORT = 1,
943 EC_QUEUE_WAVE_TRAP = 2, 943 EC_QUEUE_WAVE_TRAP = 2,
944 EC_QUEUE_WAVE_MATH_ERROR = 3, 944 EC_QUEUE_WAVE_MATH_ERROR = 3,
945 EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION = 4, 945 EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION = 4,
946 EC_QUEUE_WAVE_MEMORY_VIOLATION = 5, 946 EC_QUEUE_WAVE_MEMORY_VIOLATION = 5,
947 EC_QUEUE_WAVE_APERTURE_VIOLATION = 6, 947 EC_QUEUE_WAVE_APERTURE_VIOLATION = 6,
948 EC_QUEUE_PACKET_DISPATCH_DIM_INVALID = 948 EC_QUEUE_PACKET_DISPATCH_DIM_INVALID = 16,
949 EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT 949 EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID = 17,
950 EC_QUEUE_PACKET_DISPATCH_CODE_INVALID 950 EC_QUEUE_PACKET_DISPATCH_CODE_INVALID = 18,
951 EC_QUEUE_PACKET_RESERVED = 19, 951 EC_QUEUE_PACKET_RESERVED = 19,
952 EC_QUEUE_PACKET_UNSUPPORTED = 20, 952 EC_QUEUE_PACKET_UNSUPPORTED = 20,
953 EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SI 953 EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID = 21,
954 EC_QUEUE_PACKET_DISPATCH_REGISTER_INVA 954 EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID = 22,
955 EC_QUEUE_PACKET_VENDOR_UNSUPPORTED = 2 955 EC_QUEUE_PACKET_VENDOR_UNSUPPORTED = 23,
956 EC_QUEUE_PREEMPTION_ERROR = 30, 956 EC_QUEUE_PREEMPTION_ERROR = 30,
957 EC_QUEUE_NEW = 31, 957 EC_QUEUE_NEW = 31,
958 /* per device */ 958 /* per device */
959 EC_DEVICE_QUEUE_DELETE = 32, 959 EC_DEVICE_QUEUE_DELETE = 32,
960 EC_DEVICE_MEMORY_VIOLATION = 33, 960 EC_DEVICE_MEMORY_VIOLATION = 33,
961 EC_DEVICE_RAS_ERROR = 34, 961 EC_DEVICE_RAS_ERROR = 34,
962 EC_DEVICE_FATAL_HALT = 35, 962 EC_DEVICE_FATAL_HALT = 35,
963 EC_DEVICE_NEW = 36, 963 EC_DEVICE_NEW = 36,
964 /* per process */ 964 /* per process */
965 EC_PROCESS_RUNTIME = 48, 965 EC_PROCESS_RUNTIME = 48,
966 EC_PROCESS_DEVICE_REMOVE = 49, 966 EC_PROCESS_DEVICE_REMOVE = 49,
967 EC_MAX 967 EC_MAX
968 }; 968 };
969 969
970 /* Mask generated by ecode in kfd_dbg_trap_exc 970 /* Mask generated by ecode in kfd_dbg_trap_exception_code */
971 #define KFD_EC_MASK(ecode) (1ULL << (ecod 971 #define KFD_EC_MASK(ecode) (1ULL << (ecode - 1))
972 972
973 /* Masks for exception code type checks below 973 /* Masks for exception code type checks below */
974 #define KFD_EC_MASK_QUEUE (KFD_EC_MASK(E 974 #define KFD_EC_MASK_QUEUE (KFD_EC_MASK(EC_QUEUE_WAVE_ABORT) | \
975 KFD_EC_MASK(E 975 KFD_EC_MASK(EC_QUEUE_WAVE_TRAP) | \
976 KFD_EC_MASK(E 976 KFD_EC_MASK(EC_QUEUE_WAVE_MATH_ERROR) | \
977 KFD_EC_MASK(E 977 KFD_EC_MASK(EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION) | \
978 KFD_EC_MASK(E 978 KFD_EC_MASK(EC_QUEUE_WAVE_MEMORY_VIOLATION) | \
979 KFD_EC_MASK(E 979 KFD_EC_MASK(EC_QUEUE_WAVE_APERTURE_VIOLATION) | \
980 KFD_EC_MASK(E 980 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \
981 KFD_EC_MASK(E 981 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \
982 KFD_EC_MASK(E 982 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \
983 KFD_EC_MASK(E 983 KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \
984 KFD_EC_MASK(E 984 KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \
985 KFD_EC_MASK(E 985 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \
986 KFD_EC_MASK(E 986 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \
987 KFD_EC_MASK(E 987 KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED) | \
988 KFD_EC_MASK(E 988 KFD_EC_MASK(EC_QUEUE_PREEMPTION_ERROR) | \
989 KFD_EC_MASK(E 989 KFD_EC_MASK(EC_QUEUE_NEW))
990 #define KFD_EC_MASK_DEVICE (KFD_EC_MASK(E 990 #define KFD_EC_MASK_DEVICE (KFD_EC_MASK(EC_DEVICE_QUEUE_DELETE) | \
991 KFD_EC_MASK(E 991 KFD_EC_MASK(EC_DEVICE_RAS_ERROR) | \
992 KFD_EC_MASK(E 992 KFD_EC_MASK(EC_DEVICE_FATAL_HALT) | \
993 KFD_EC_MASK(E 993 KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION) | \
994 KFD_EC_MASK(E 994 KFD_EC_MASK(EC_DEVICE_NEW))
995 #define KFD_EC_MASK_PROCESS (KFD_EC_MASK(E 995 #define KFD_EC_MASK_PROCESS (KFD_EC_MASK(EC_PROCESS_RUNTIME) | \
996 KFD_EC_MASK(E 996 KFD_EC_MASK(EC_PROCESS_DEVICE_REMOVE))
997 #define KFD_EC_MASK_PACKET (KFD_EC_MASK(E 997 #define KFD_EC_MASK_PACKET (KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \
998 KFD_EC_MASK(E 998 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \
999 KFD_EC_MASK(E 999 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \
1000 KFD_EC_MASK( 1000 KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \
1001 KFD_EC_MASK( 1001 KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \
1002 KFD_EC_MASK( 1002 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \
1003 KFD_EC_MASK( 1003 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \
1004 KFD_EC_MASK( 1004 KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED))
1005 1005
1006 /* Checks for exception code types for KFD se 1006 /* Checks for exception code types for KFD search */
1007 #define KFD_DBG_EC_IS_VALID(ecode) (ecode > E 1007 #define KFD_DBG_EC_IS_VALID(ecode) (ecode > EC_NONE && ecode < EC_MAX)
1008 #define KFD_DBG_EC_TYPE_IS_QUEUE(ecode) 1008 #define KFD_DBG_EC_TYPE_IS_QUEUE(ecode) \
1009 (KFD_DBG_EC_IS_VALID( 1009 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_QUEUE))
1010 #define KFD_DBG_EC_TYPE_IS_DEVICE(ecode) 1010 #define KFD_DBG_EC_TYPE_IS_DEVICE(ecode) \
1011 (KFD_DBG_EC_IS_VALID( 1011 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_DEVICE))
1012 #define KFD_DBG_EC_TYPE_IS_PROCESS(ecode) 1012 #define KFD_DBG_EC_TYPE_IS_PROCESS(ecode) \
1013 (KFD_DBG_EC_IS_VALID( 1013 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PROCESS))
1014 #define KFD_DBG_EC_TYPE_IS_PACKET(ecode) 1014 #define KFD_DBG_EC_TYPE_IS_PACKET(ecode) \
1015 (KFD_DBG_EC_IS_VALID( 1015 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PACKET))
1016 1016
1017 1017
1018 /* Runtime enable states */ 1018 /* Runtime enable states */
1019 enum kfd_dbg_runtime_state { 1019 enum kfd_dbg_runtime_state {
1020 DEBUG_RUNTIME_STATE_DISABLED = 0, 1020 DEBUG_RUNTIME_STATE_DISABLED = 0,
1021 DEBUG_RUNTIME_STATE_ENABLED = 1, 1021 DEBUG_RUNTIME_STATE_ENABLED = 1,
1022 DEBUG_RUNTIME_STATE_ENABLED_BUSY = 2, 1022 DEBUG_RUNTIME_STATE_ENABLED_BUSY = 2,
1023 DEBUG_RUNTIME_STATE_ENABLED_ERROR = 3 1023 DEBUG_RUNTIME_STATE_ENABLED_ERROR = 3
1024 }; 1024 };
1025 1025
1026 /* Runtime enable status */ 1026 /* Runtime enable status */
1027 struct kfd_runtime_info { 1027 struct kfd_runtime_info {
1028 __u64 r_debug; 1028 __u64 r_debug;
1029 __u32 runtime_state; 1029 __u32 runtime_state;
1030 __u32 ttmp_setup; 1030 __u32 ttmp_setup;
1031 }; 1031 };
1032 1032
1033 /* Enable modes for runtime enable */ 1033 /* Enable modes for runtime enable */
1034 #define KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK 1034 #define KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK 1
1035 #define KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MAS 1035 #define KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK 2
1036 1036
1037 /** 1037 /**
1038 * kfd_ioctl_runtime_enable_args - Arguments 1038 * kfd_ioctl_runtime_enable_args - Arguments for runtime enable
1039 * 1039 *
1040 * Coordinates debug exception signalling and 1040 * Coordinates debug exception signalling and debug device enablement with runtime.
1041 * 1041 *
1042 * @r_debug - pointer to user struct for shar 1042 * @r_debug - pointer to user struct for sharing information between ROCr and the debuggger
1043 * @mode_mask - mask to set mode 1043 * @mode_mask - mask to set mode
1044 * KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK - 1044 * KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK - enable runtime for debugging, otherwise disable
1045 * KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MAS 1045 * KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK - enable trap temporary setup (ignore on disable)
1046 * @capabilities_mask - mask to notify runtim 1046 * @capabilities_mask - mask to notify runtime on what KFD supports
1047 * 1047 *
1048 * Return - 0 on SUCCESS. 1048 * Return - 0 on SUCCESS.
1049 * - EBUSY if runtime enable call alre 1049 * - EBUSY if runtime enable call already pending.
1050 * - EEXIST if user queues already act 1050 * - EEXIST if user queues already active prior to call.
1051 * If process is debug enabled, runt 1051 * If process is debug enabled, runtime enable will enable debug devices and
1052 * wait for debugger process to send 1052 * wait for debugger process to send runtime exception EC_PROCESS_RUNTIME
1053 * to unblock - see kfd_ioctl_dbg_tr 1053 * to unblock - see kfd_ioctl_dbg_trap_args.
1054 * 1054 *
1055 */ 1055 */
1056 struct kfd_ioctl_runtime_enable_args { 1056 struct kfd_ioctl_runtime_enable_args {
1057 __u64 r_debug; 1057 __u64 r_debug;
1058 __u32 mode_mask; 1058 __u32 mode_mask;
1059 __u32 capabilities_mask; 1059 __u32 capabilities_mask;
1060 }; 1060 };
1061 1061
1062 /* Queue information */ 1062 /* Queue information */
1063 struct kfd_queue_snapshot_entry { 1063 struct kfd_queue_snapshot_entry {
1064 __u64 exception_status; 1064 __u64 exception_status;
1065 __u64 ring_base_address; 1065 __u64 ring_base_address;
1066 __u64 write_pointer_address; 1066 __u64 write_pointer_address;
1067 __u64 read_pointer_address; 1067 __u64 read_pointer_address;
1068 __u64 ctx_save_restore_address; 1068 __u64 ctx_save_restore_address;
1069 __u32 queue_id; 1069 __u32 queue_id;
1070 __u32 gpu_id; 1070 __u32 gpu_id;
1071 __u32 ring_size; 1071 __u32 ring_size;
1072 __u32 queue_type; 1072 __u32 queue_type;
1073 __u32 ctx_save_restore_area_size; 1073 __u32 ctx_save_restore_area_size;
1074 __u32 reserved; 1074 __u32 reserved;
1075 }; 1075 };
1076 1076
1077 /* Queue status return for suspend/resume */ 1077 /* Queue status return for suspend/resume */
1078 #define KFD_DBG_QUEUE_ERROR_BIT 30 1078 #define KFD_DBG_QUEUE_ERROR_BIT 30
1079 #define KFD_DBG_QUEUE_INVALID_BIT 31 1079 #define KFD_DBG_QUEUE_INVALID_BIT 31
1080 #define KFD_DBG_QUEUE_ERROR_MASK (1 << 1080 #define KFD_DBG_QUEUE_ERROR_MASK (1 << KFD_DBG_QUEUE_ERROR_BIT)
1081 #define KFD_DBG_QUEUE_INVALID_MASK (1 << 1081 #define KFD_DBG_QUEUE_INVALID_MASK (1 << KFD_DBG_QUEUE_INVALID_BIT)
1082 1082
1083 /* Context save area header information */ 1083 /* Context save area header information */
1084 struct kfd_context_save_area_header { 1084 struct kfd_context_save_area_header {
1085 struct { 1085 struct {
1086 __u32 control_stack_offset; 1086 __u32 control_stack_offset;
1087 __u32 control_stack_size; 1087 __u32 control_stack_size;
1088 __u32 wave_state_offset; 1088 __u32 wave_state_offset;
1089 __u32 wave_state_size; 1089 __u32 wave_state_size;
1090 } wave_state; 1090 } wave_state;
1091 __u32 debug_offset; 1091 __u32 debug_offset;
1092 __u32 debug_size; 1092 __u32 debug_size;
1093 __u64 err_payload_addr; 1093 __u64 err_payload_addr;
1094 __u32 err_event_id; 1094 __u32 err_event_id;
1095 __u32 reserved1; 1095 __u32 reserved1;
1096 }; 1096 };
1097 1097
1098 /* 1098 /*
1099 * Debug operations 1099 * Debug operations
1100 * 1100 *
1101 * For specifics on usage and return values, 1101 * For specifics on usage and return values, see documentation per operation
1102 * below. Otherwise, generic error returns a 1102 * below. Otherwise, generic error returns apply:
1103 * - ESRCH if the process to debug does 1103 * - ESRCH if the process to debug does not exist.
1104 * 1104 *
1105 * - EINVAL (with KFD_IOC_DBG_TRAP_ENABL 1105 * - EINVAL (with KFD_IOC_DBG_TRAP_ENABLE exempt) if operation
1106 * KFD_IOC_DBG_TRAP_ENABLE has 1106 * KFD_IOC_DBG_TRAP_ENABLE has not succeeded prior.
1107 * Also returns this error if G 1107 * Also returns this error if GPU hardware scheduling is not supported.
1108 * 1108 *
1109 * - EPERM (with KFD_IOC_DBG_TRAP_DISABL 1109 * - EPERM (with KFD_IOC_DBG_TRAP_DISABLE exempt) if target process is not
1110 * PTRACE_ATTACHED. KFD_IOC_DB 1110 * PTRACE_ATTACHED. KFD_IOC_DBG_TRAP_DISABLE is exempt to allow
1111 * clean up of debug mode as lo 1111 * clean up of debug mode as long as process is debug enabled.
1112 * 1112 *
1113 * - EACCES if any DBG_HW_OP (debug hard 1113 * - EACCES if any DBG_HW_OP (debug hardware operation) is requested when
1114 * AMDKFD_IOC_RUNTIME_ENABLE ha 1114 * AMDKFD_IOC_RUNTIME_ENABLE has not succeeded prior.
1115 * 1115 *
1116 * - ENODEV if any GPU does not support 1116 * - ENODEV if any GPU does not support debugging on a DBG_HW_OP call.
1117 * 1117 *
1118 * - Other errors may be returned when a 1118 * - Other errors may be returned when a DBG_HW_OP occurs while the GPU
1119 * is in a fatal state. 1119 * is in a fatal state.
1120 * 1120 *
1121 */ 1121 */
1122 enum kfd_dbg_trap_operations { 1122 enum kfd_dbg_trap_operations {
1123 KFD_IOC_DBG_TRAP_ENABLE = 0, 1123 KFD_IOC_DBG_TRAP_ENABLE = 0,
1124 KFD_IOC_DBG_TRAP_DISABLE = 1, 1124 KFD_IOC_DBG_TRAP_DISABLE = 1,
1125 KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT = 1125 KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT = 2,
1126 KFD_IOC_DBG_TRAP_SET_EXCEPTIONS_ENABL 1126 KFD_IOC_DBG_TRAP_SET_EXCEPTIONS_ENABLED = 3,
1127 KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVER 1127 KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE = 4, /* DBG_HW_OP */
1128 KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE 1128 KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE = 5, /* DBG_HW_OP */
1129 KFD_IOC_DBG_TRAP_SUSPEND_QUEUES = 6, 1129 KFD_IOC_DBG_TRAP_SUSPEND_QUEUES = 6, /* DBG_HW_OP */
1130 KFD_IOC_DBG_TRAP_RESUME_QUEUES = 7, 1130 KFD_IOC_DBG_TRAP_RESUME_QUEUES = 7, /* DBG_HW_OP */
1131 KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WAT 1131 KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH = 8, /* DBG_HW_OP */
1132 KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_W 1132 KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH = 9, /* DBG_HW_OP */
1133 KFD_IOC_DBG_TRAP_SET_FLAGS = 10, 1133 KFD_IOC_DBG_TRAP_SET_FLAGS = 10,
1134 KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT = 1134 KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT = 11,
1135 KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO 1135 KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO = 12,
1136 KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT = 1136 KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT = 13,
1137 KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT 1137 KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT = 14
1138 }; 1138 };
1139 1139
1140 /** 1140 /**
1141 * kfd_ioctl_dbg_trap_enable_args 1141 * kfd_ioctl_dbg_trap_enable_args
1142 * 1142 *
1143 * Arguments for KFD_IOC_DBG_TRAP_ENABLE. 1143 * Arguments for KFD_IOC_DBG_TRAP_ENABLE.
1144 * 1144 *
1145 * Enables debug session for target proce 1145 * Enables debug session for target process. Call @op KFD_IOC_DBG_TRAP_DISABLE in
1146 * kfd_ioctl_dbg_trap_args to disable deb 1146 * kfd_ioctl_dbg_trap_args to disable debug session.
1147 * 1147 *
1148 * @exception_mask (IN) - exceptions 1148 * @exception_mask (IN) - exceptions to raise to the debugger
1149 * @rinfo_ptr (IN) - pointer to 1149 * @rinfo_ptr (IN) - pointer to runtime info buffer (see kfd_runtime_info)
1150 * @rinfo_size (IN/OUT) - size of run 1150 * @rinfo_size (IN/OUT) - size of runtime info buffer in bytes
1151 * @dbg_fd (IN) - fd the KFD 1151 * @dbg_fd (IN) - fd the KFD will nofify the debugger with of raised
1152 * exceptions 1152 * exceptions set in exception_mask.
1153 * 1153 *
1154 * Generic errors apply (see kfd_dbg_trap 1154 * Generic errors apply (see kfd_dbg_trap_operations).
1155 * Return - 0 on SUCCESS. 1155 * Return - 0 on SUCCESS.
1156 * Copies KFD saved kfd_runtime_ 1156 * Copies KFD saved kfd_runtime_info to @rinfo_ptr on enable.
1157 * Size of kfd_runtime saved by 1157 * Size of kfd_runtime saved by the KFD returned to @rinfo_size.
1158 * - EBADF if KFD cannot get a ref 1158 * - EBADF if KFD cannot get a reference to dbg_fd.
1159 * - EFAULT if KFD cannot copy run 1159 * - EFAULT if KFD cannot copy runtime info to rinfo_ptr.
1160 * - EINVAL if target process is a 1160 * - EINVAL if target process is already debug enabled.
1161 * 1161 *
1162 */ 1162 */
1163 struct kfd_ioctl_dbg_trap_enable_args { 1163 struct kfd_ioctl_dbg_trap_enable_args {
1164 __u64 exception_mask; 1164 __u64 exception_mask;
1165 __u64 rinfo_ptr; 1165 __u64 rinfo_ptr;
1166 __u32 rinfo_size; 1166 __u32 rinfo_size;
1167 __u32 dbg_fd; 1167 __u32 dbg_fd;
1168 }; 1168 };
1169 1169
1170 /** 1170 /**
1171 * kfd_ioctl_dbg_trap_send_runtime_event_args 1171 * kfd_ioctl_dbg_trap_send_runtime_event_args
1172 * 1172 *
1173 * 1173 *
1174 * Arguments for KFD_IOC_DBG_TRAP_SEND_RU 1174 * Arguments for KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT.
1175 * Raises exceptions to runtime. 1175 * Raises exceptions to runtime.
1176 * 1176 *
1177 * @exception_mask (IN) - exceptions to r 1177 * @exception_mask (IN) - exceptions to raise to runtime
1178 * @gpu_id (IN) - target device i 1178 * @gpu_id (IN) - target device id
1179 * @queue_id (IN) - target queue id 1179 * @queue_id (IN) - target queue id
1180 * 1180 *
1181 * Generic errors apply (see kfd_dbg_trap 1181 * Generic errors apply (see kfd_dbg_trap_operations).
1182 * Return - 0 on SUCCESS. 1182 * Return - 0 on SUCCESS.
1183 * - ENODEV if gpu_id not found. 1183 * - ENODEV if gpu_id not found.
1184 * If exception_mask contains EC 1184 * If exception_mask contains EC_PROCESS_RUNTIME, unblocks pending
1185 * AMDKFD_IOC_RUNTIME_ENABLE cal 1185 * AMDKFD_IOC_RUNTIME_ENABLE call - see kfd_ioctl_runtime_enable_args.
1186 * All other exceptions are rais 1186 * All other exceptions are raised to runtime through err_payload_addr.
1187 * See kfd_context_save_area_hea 1187 * See kfd_context_save_area_header.
1188 */ 1188 */
1189 struct kfd_ioctl_dbg_trap_send_runtime_event_ 1189 struct kfd_ioctl_dbg_trap_send_runtime_event_args {
1190 __u64 exception_mask; 1190 __u64 exception_mask;
1191 __u32 gpu_id; 1191 __u32 gpu_id;
1192 __u32 queue_id; 1192 __u32 queue_id;
1193 }; 1193 };
1194 1194
1195 /** 1195 /**
1196 * kfd_ioctl_dbg_trap_set_exceptions_enabled_ 1196 * kfd_ioctl_dbg_trap_set_exceptions_enabled_args
1197 * 1197 *
1198 * Arguments for KFD_IOC_SET_EXCEPTIONS_E 1198 * Arguments for KFD_IOC_SET_EXCEPTIONS_ENABLED
1199 * Set new exceptions to be raised to the 1199 * Set new exceptions to be raised to the debugger.
1200 * 1200 *
1201 * @exception_mask (IN) - new exceptions 1201 * @exception_mask (IN) - new exceptions to raise the debugger
1202 * 1202 *
1203 * Generic errors apply (see kfd_dbg_trap 1203 * Generic errors apply (see kfd_dbg_trap_operations).
1204 * Return - 0 on SUCCESS. 1204 * Return - 0 on SUCCESS.
1205 */ 1205 */
1206 struct kfd_ioctl_dbg_trap_set_exceptions_enab 1206 struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args {
1207 __u64 exception_mask; 1207 __u64 exception_mask;
1208 }; 1208 };
1209 1209
1210 /** 1210 /**
1211 * kfd_ioctl_dbg_trap_set_wave_launch_overrid 1211 * kfd_ioctl_dbg_trap_set_wave_launch_override_args
1212 * 1212 *
1213 * Arguments for KFD_IOC_DBG_TRAP_SET_WAV 1213 * Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE
1214 * Enable HW exceptions to raise trap. 1214 * Enable HW exceptions to raise trap.
1215 * 1215 *
1216 * @override_mode (IN) - see k 1216 * @override_mode (IN) - see kfd_dbg_trap_override_mode
1217 * @enable_mask (IN/OUT) - refer 1217 * @enable_mask (IN/OUT) - reference kfd_dbg_trap_mask.
1218 * IN is 1218 * IN is the override modes requested to be enabled.
1219 * OUT i 1219 * OUT is referenced in Return below.
1220 * @support_request_mask (IN/OUT) - refer 1220 * @support_request_mask (IN/OUT) - reference kfd_dbg_trap_mask.
1221 * IN is 1221 * IN is the override modes requested for support check.
1222 * OUT i 1222 * OUT is referenced in Return below.
1223 * 1223 *
1224 * Generic errors apply (see kfd_dbg_trap 1224 * Generic errors apply (see kfd_dbg_trap_operations).
1225 * Return - 0 on SUCCESS. 1225 * Return - 0 on SUCCESS.
1226 * Previous enablement is return 1226 * Previous enablement is returned in @enable_mask.
1227 * Actual override support is re 1227 * Actual override support is returned in @support_request_mask.
1228 * - EINVAL if override mode is no 1228 * - EINVAL if override mode is not supported.
1229 * - EACCES if trap support reques 1229 * - EACCES if trap support requested is not actually supported.
1230 * i.e. enable_mask (IN) is not 1230 * i.e. enable_mask (IN) is not a subset of support_request_mask (OUT).
1231 * Otherwise it is considered a 1231 * Otherwise it is considered a generic error (see kfd_dbg_trap_operations).
1232 */ 1232 */
1233 struct kfd_ioctl_dbg_trap_set_wave_launch_ove 1233 struct kfd_ioctl_dbg_trap_set_wave_launch_override_args {
1234 __u32 override_mode; 1234 __u32 override_mode;
1235 __u32 enable_mask; 1235 __u32 enable_mask;
1236 __u32 support_request_mask; 1236 __u32 support_request_mask;
1237 __u32 pad; 1237 __u32 pad;
1238 }; 1238 };
1239 1239
1240 /** 1240 /**
1241 * kfd_ioctl_dbg_trap_set_wave_launch_mode_ar 1241 * kfd_ioctl_dbg_trap_set_wave_launch_mode_args
1242 * 1242 *
1243 * Arguments for KFD_IOC_DBG_TRAP_SET_WAV 1243 * Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE
1244 * Set wave launch mode. 1244 * Set wave launch mode.
1245 * 1245 *
1246 * @mode (IN) - see kfd_dbg_trap_wave_lau 1246 * @mode (IN) - see kfd_dbg_trap_wave_launch_mode
1247 * 1247 *
1248 * Generic errors apply (see kfd_dbg_trap 1248 * Generic errors apply (see kfd_dbg_trap_operations).
1249 * Return - 0 on SUCCESS. 1249 * Return - 0 on SUCCESS.
1250 */ 1250 */
1251 struct kfd_ioctl_dbg_trap_set_wave_launch_mod 1251 struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args {
1252 __u32 launch_mode; 1252 __u32 launch_mode;
1253 __u32 pad; 1253 __u32 pad;
1254 }; 1254 };
1255 1255
1256 /** 1256 /**
1257 * kfd_ioctl_dbg_trap_suspend_queues_ags 1257 * kfd_ioctl_dbg_trap_suspend_queues_ags
1258 * 1258 *
1259 * Arguments for KFD_IOC_DBG_TRAP_SUSPEND 1259 * Arguments for KFD_IOC_DBG_TRAP_SUSPEND_QUEUES
1260 * Suspend queues. 1260 * Suspend queues.
1261 * 1261 *
1262 * @exception_mask (IN) - raised excepti 1262 * @exception_mask (IN) - raised exceptions to clear
1263 * @queue_array_ptr (IN) - pointer to arr 1263 * @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id)
1264 * to suspend 1264 * to suspend
1265 * @num_queues (IN) - number of queu 1265 * @num_queues (IN) - number of queues to suspend in @queue_array_ptr
1266 * @grace_period (IN) - wave time allo 1266 * @grace_period (IN) - wave time allowance before preemption
1267 * per 1K GPU clo 1267 * per 1K GPU clock cycle unit
1268 * 1268 *
1269 * Generic errors apply (see kfd_dbg_trap 1269 * Generic errors apply (see kfd_dbg_trap_operations).
1270 * Destruction of a suspended queue is bl 1270 * Destruction of a suspended queue is blocked until the queue is
1271 * resumed. This allows the debugger to 1271 * resumed. This allows the debugger to access queue information and
1272 * the its context save area without runn 1272 * the its context save area without running into a race condition on
1273 * queue destruction. 1273 * queue destruction.
1274 * Automatically copies per queue context 1274 * Automatically copies per queue context save area header information
1275 * into the save area base 1275 * into the save area base
1276 * (see kfd_queue_snapshot_entry and kfd_ 1276 * (see kfd_queue_snapshot_entry and kfd_context_save_area_header).
1277 * 1277 *
1278 * Return - Number of queues suspended on 1278 * Return - Number of queues suspended on SUCCESS.
1279 * . KFD_DBG_QUEUE_ERROR_MASK and 1279 * . KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK masked
1280 * for each queue id in @queue_a 1280 * for each queue id in @queue_array_ptr array reports unsuccessful
1281 * suspend reason. 1281 * suspend reason.
1282 * KFD_DBG_QUEUE_ERROR_MASK = HW 1282 * KFD_DBG_QUEUE_ERROR_MASK = HW failure.
1283 * KFD_DBG_QUEUE_INVALID_MASK = 1283 * KFD_DBG_QUEUE_INVALID_MASK = queue does not exist, is new or
1284 * is being destroyed. 1284 * is being destroyed.
1285 */ 1285 */
1286 struct kfd_ioctl_dbg_trap_suspend_queues_args 1286 struct kfd_ioctl_dbg_trap_suspend_queues_args {
1287 __u64 exception_mask; 1287 __u64 exception_mask;
1288 __u64 queue_array_ptr; 1288 __u64 queue_array_ptr;
1289 __u32 num_queues; 1289 __u32 num_queues;
1290 __u32 grace_period; 1290 __u32 grace_period;
1291 }; 1291 };
1292 1292
1293 /** 1293 /**
1294 * kfd_ioctl_dbg_trap_resume_queues_args 1294 * kfd_ioctl_dbg_trap_resume_queues_args
1295 * 1295 *
1296 * Arguments for KFD_IOC_DBG_TRAP_RESUME_ 1296 * Arguments for KFD_IOC_DBG_TRAP_RESUME_QUEUES
1297 * Resume queues. 1297 * Resume queues.
1298 * 1298 *
1299 * @queue_array_ptr (IN) - pointer to arr 1299 * @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id)
1300 * to resume 1300 * to resume
1301 * @num_queues (IN) - number of queu 1301 * @num_queues (IN) - number of queues to resume in @queue_array_ptr
1302 * 1302 *
1303 * Generic errors apply (see kfd_dbg_trap 1303 * Generic errors apply (see kfd_dbg_trap_operations).
1304 * Return - Number of queues resumed on S 1304 * Return - Number of queues resumed on SUCCESS.
1305 * KFD_DBG_QUEUE_ERROR_MASK and 1305 * KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK mask
1306 * for each queue id in @queue_a 1306 * for each queue id in @queue_array_ptr array reports unsuccessful
1307 * resume reason. 1307 * resume reason.
1308 * KFD_DBG_QUEUE_ERROR_MASK = HW 1308 * KFD_DBG_QUEUE_ERROR_MASK = HW failure.
1309 * KFD_DBG_QUEUE_INVALID_MASK = 1309 * KFD_DBG_QUEUE_INVALID_MASK = queue does not exist.
1310 */ 1310 */
1311 struct kfd_ioctl_dbg_trap_resume_queues_args 1311 struct kfd_ioctl_dbg_trap_resume_queues_args {
1312 __u64 queue_array_ptr; 1312 __u64 queue_array_ptr;
1313 __u32 num_queues; 1313 __u32 num_queues;
1314 __u32 pad; 1314 __u32 pad;
1315 }; 1315 };
1316 1316
1317 /** 1317 /**
1318 * kfd_ioctl_dbg_trap_set_node_address_watch_ 1318 * kfd_ioctl_dbg_trap_set_node_address_watch_args
1319 * 1319 *
1320 * Arguments for KFD_IOC_DBG_TRAP_SET_NOD 1320 * Arguments for KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH
1321 * Sets address watch for device. 1321 * Sets address watch for device.
1322 * 1322 *
1323 * @address (IN) - watch address to set 1323 * @address (IN) - watch address to set
1324 * @mode (IN) - see kfd_dbg_trap_addr 1324 * @mode (IN) - see kfd_dbg_trap_address_watch_mode
1325 * @mask (IN) - watch address mask 1325 * @mask (IN) - watch address mask
1326 * @gpu_id (IN) - target gpu to set wat 1326 * @gpu_id (IN) - target gpu to set watch point
1327 * @id (OUT) - watch id allocated 1327 * @id (OUT) - watch id allocated
1328 * 1328 *
1329 * Generic errors apply (see kfd_dbg_trap 1329 * Generic errors apply (see kfd_dbg_trap_operations).
1330 * Return - 0 on SUCCESS. 1330 * Return - 0 on SUCCESS.
1331 * Allocated watch ID returned t 1331 * Allocated watch ID returned to @id.
1332 * - ENODEV if gpu_id not found. 1332 * - ENODEV if gpu_id not found.
1333 * - ENOMEM if watch IDs can be al 1333 * - ENOMEM if watch IDs can be allocated
1334 */ 1334 */
1335 struct kfd_ioctl_dbg_trap_set_node_address_wa 1335 struct kfd_ioctl_dbg_trap_set_node_address_watch_args {
1336 __u64 address; 1336 __u64 address;
1337 __u32 mode; 1337 __u32 mode;
1338 __u32 mask; 1338 __u32 mask;
1339 __u32 gpu_id; 1339 __u32 gpu_id;
1340 __u32 id; 1340 __u32 id;
1341 }; 1341 };
1342 1342
1343 /** 1343 /**
1344 * kfd_ioctl_dbg_trap_clear_node_address_watc 1344 * kfd_ioctl_dbg_trap_clear_node_address_watch_args
1345 * 1345 *
1346 * Arguments for KFD_IOC_DBG_TRAP_CLEAR_N 1346 * Arguments for KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH
1347 * Clear address watch for device. 1347 * Clear address watch for device.
1348 * 1348 *
1349 * @gpu_id (IN) - target device to clea 1349 * @gpu_id (IN) - target device to clear watch point
1350 * @id (IN) - allocated watch id to 1350 * @id (IN) - allocated watch id to clear
1351 * 1351 *
1352 * Generic errors apply (see kfd_dbg_trap 1352 * Generic errors apply (see kfd_dbg_trap_operations).
1353 * Return - 0 on SUCCESS. 1353 * Return - 0 on SUCCESS.
1354 * - ENODEV if gpu_id not found. 1354 * - ENODEV if gpu_id not found.
1355 * - EINVAL if watch ID has not be 1355 * - EINVAL if watch ID has not been allocated.
1356 */ 1356 */
1357 struct kfd_ioctl_dbg_trap_clear_node_address_ 1357 struct kfd_ioctl_dbg_trap_clear_node_address_watch_args {
1358 __u32 gpu_id; 1358 __u32 gpu_id;
1359 __u32 id; 1359 __u32 id;
1360 }; 1360 };
1361 1361
1362 /** 1362 /**
1363 * kfd_ioctl_dbg_trap_set_flags_args 1363 * kfd_ioctl_dbg_trap_set_flags_args
1364 * 1364 *
1365 * Arguments for KFD_IOC_DBG_TRAP_SET_FLA 1365 * Arguments for KFD_IOC_DBG_TRAP_SET_FLAGS
1366 * Sets flags for wave behaviour. 1366 * Sets flags for wave behaviour.
1367 * 1367 *
1368 * @flags (IN/OUT) - IN = flags to enable 1368 * @flags (IN/OUT) - IN = flags to enable, OUT = flags previously enabled
1369 * 1369 *
1370 * Generic errors apply (see kfd_dbg_trap 1370 * Generic errors apply (see kfd_dbg_trap_operations).
1371 * Return - 0 on SUCCESS. 1371 * Return - 0 on SUCCESS.
1372 * - EACCESS if any debug device d 1372 * - EACCESS if any debug device does not allow flag options.
1373 */ 1373 */
1374 struct kfd_ioctl_dbg_trap_set_flags_args { 1374 struct kfd_ioctl_dbg_trap_set_flags_args {
1375 __u32 flags; 1375 __u32 flags;
1376 __u32 pad; 1376 __u32 pad;
1377 }; 1377 };
1378 1378
1379 /** 1379 /**
1380 * kfd_ioctl_dbg_trap_query_debug_event_args 1380 * kfd_ioctl_dbg_trap_query_debug_event_args
1381 * 1381 *
1382 * Arguments for KFD_IOC_DBG_TRAP_QUERY_D 1382 * Arguments for KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT
1383 * 1383 *
1384 * Find one or more raised exceptions. Th 1384 * Find one or more raised exceptions. This function can return multiple
1385 * exceptions from a single queue or a si 1385 * exceptions from a single queue or a single device with one call. To find
1386 * all raised exceptions, this function m 1386 * all raised exceptions, this function must be called repeatedly until it
1387 * returns -EAGAIN. Returned exceptions c 1387 * returns -EAGAIN. Returned exceptions can optionally be cleared by
1388 * setting the corresponding bit in the @ 1388 * setting the corresponding bit in the @exception_mask input parameter.
1389 * However, clearing an exception prevent 1389 * However, clearing an exception prevents retrieving further information
1390 * about it with KFD_IOC_DBG_TRAP_QUERY_E 1390 * about it with KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO.
1391 * 1391 *
1392 * @exception_mask (IN/OUT) - exception t 1392 * @exception_mask (IN/OUT) - exception to clear (IN) and raised (OUT)
1393 * @gpu_id (OUT) - gpu id of e 1393 * @gpu_id (OUT) - gpu id of exceptions raised
1394 * @queue_id (OUT) - queue id of 1394 * @queue_id (OUT) - queue id of exceptions raised
1395 * 1395 *
1396 * Generic errors apply (see kfd_dbg_trap 1396 * Generic errors apply (see kfd_dbg_trap_operations).
1397 * Return - 0 on raised exception found 1397 * Return - 0 on raised exception found
1398 * Raised exceptions found are r 1398 * Raised exceptions found are returned in @exception mask
1399 * with reported source id retur 1399 * with reported source id returned in @gpu_id or @queue_id.
1400 * - EAGAIN if no raised exception 1400 * - EAGAIN if no raised exception has been found
1401 */ 1401 */
1402 struct kfd_ioctl_dbg_trap_query_debug_event_a 1402 struct kfd_ioctl_dbg_trap_query_debug_event_args {
1403 __u64 exception_mask; 1403 __u64 exception_mask;
1404 __u32 gpu_id; 1404 __u32 gpu_id;
1405 __u32 queue_id; 1405 __u32 queue_id;
1406 }; 1406 };
1407 1407
1408 /** 1408 /**
1409 * kfd_ioctl_dbg_trap_query_exception_info_ar 1409 * kfd_ioctl_dbg_trap_query_exception_info_args
1410 * 1410 *
1411 * Arguments KFD_IOC_DBG_TRAP_QUERY_EXCEP 1411 * Arguments KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO
1412 * Get additional info on raised exceptio 1412 * Get additional info on raised exception.
1413 * 1413 *
1414 * @info_ptr (IN) - pointer to 1414 * @info_ptr (IN) - pointer to exception info buffer to copy to
1415 * @info_size (IN/OUT) - exception 1415 * @info_size (IN/OUT) - exception info buffer size (bytes)
1416 * @source_id (IN) - target gpu 1416 * @source_id (IN) - target gpu or queue id
1417 * @exception_code (IN) - target exc 1417 * @exception_code (IN) - target exception
1418 * @clear_exception (IN) - clear rais 1418 * @clear_exception (IN) - clear raised @exception_code exception
1419 * (0 = false 1419 * (0 = false, 1 = true)
1420 * 1420 *
1421 * Generic errors apply (see kfd_dbg_trap 1421 * Generic errors apply (see kfd_dbg_trap_operations).
1422 * Return - 0 on SUCCESS. 1422 * Return - 0 on SUCCESS.
1423 * If @exception_code is EC_DEVI 1423 * If @exception_code is EC_DEVICE_MEMORY_VIOLATION, copy @info_size(OUT)
1424 * bytes of memory exception dat 1424 * bytes of memory exception data to @info_ptr.
1425 * If @exception_code is EC_PROC 1425 * If @exception_code is EC_PROCESS_RUNTIME, copy saved
1426 * kfd_runtime_info to @info_ptr 1426 * kfd_runtime_info to @info_ptr.
1427 * Actual required @info_ptr siz 1427 * Actual required @info_ptr size (bytes) is returned in @info_size.
1428 */ 1428 */
1429 struct kfd_ioctl_dbg_trap_query_exception_inf 1429 struct kfd_ioctl_dbg_trap_query_exception_info_args {
1430 __u64 info_ptr; 1430 __u64 info_ptr;
1431 __u32 info_size; 1431 __u32 info_size;
1432 __u32 source_id; 1432 __u32 source_id;
1433 __u32 exception_code; 1433 __u32 exception_code;
1434 __u32 clear_exception; 1434 __u32 clear_exception;
1435 }; 1435 };
1436 1436
1437 /** 1437 /**
1438 * kfd_ioctl_dbg_trap_get_queue_snapshot_args 1438 * kfd_ioctl_dbg_trap_get_queue_snapshot_args
1439 * 1439 *
1440 * Arguments KFD_IOC_DBG_TRAP_GET_QUEUE_S 1440 * Arguments KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT
1441 * Get queue information. 1441 * Get queue information.
1442 * 1442 *
1443 * @exception_mask (IN) - exception 1443 * @exception_mask (IN) - exceptions raised to clear
1444 * @snapshot_buf_ptr (IN) - queue sna 1444 * @snapshot_buf_ptr (IN) - queue snapshot entry buffer (see kfd_queue_snapshot_entry)
1445 * @num_queues (IN/OUT) - number of 1445 * @num_queues (IN/OUT) - number of queue snapshot entries
1446 * The debugger specifies the size of 1446 * The debugger specifies the size of the array allocated in @num_queues.
1447 * KFD returns the number of queues t 1447 * KFD returns the number of queues that actually existed. If this is
1448 * larger than the size specified by 1448 * larger than the size specified by the debugger, KFD will not overflow
1449 * the array allocated by the debugge 1449 * the array allocated by the debugger.
1450 * 1450 *
1451 * @entry_size (IN/OUT) - size per 1451 * @entry_size (IN/OUT) - size per entry in bytes
1452 * The debugger specifies sizeof(stru 1452 * The debugger specifies sizeof(struct kfd_queue_snapshot_entry) in
1453 * @entry_size. KFD returns the numbe 1453 * @entry_size. KFD returns the number of bytes actually populated per
1454 * entry. The debugger should use the 1454 * entry. The debugger should use the KFD_IOCTL_MINOR_VERSION to determine,
1455 * which fields in struct kfd_queue_s 1455 * which fields in struct kfd_queue_snapshot_entry are valid. This allows
1456 * growing the ABI in a backwards com 1456 * growing the ABI in a backwards compatible manner.
1457 * Note that entry_size(IN) should st 1457 * Note that entry_size(IN) should still be used to stride the snapshot buffer in the
1458 * event that it's larger than actual 1458 * event that it's larger than actual kfd_queue_snapshot_entry.
1459 * 1459 *
1460 * Generic errors apply (see kfd_dbg_trap 1460 * Generic errors apply (see kfd_dbg_trap_operations).
1461 * Return - 0 on SUCCESS. 1461 * Return - 0 on SUCCESS.
1462 * Copies @num_queues(IN) queue 1462 * Copies @num_queues(IN) queue snapshot entries of size @entry_size(IN)
1463 * into @snapshot_buf_ptr if @nu 1463 * into @snapshot_buf_ptr if @num_queues(IN) > 0.
1464 * Otherwise return @num_queues( 1464 * Otherwise return @num_queues(OUT) queue snapshot entries that exist.
1465 */ 1465 */
1466 struct kfd_ioctl_dbg_trap_queue_snapshot_args 1466 struct kfd_ioctl_dbg_trap_queue_snapshot_args {
1467 __u64 exception_mask; 1467 __u64 exception_mask;
1468 __u64 snapshot_buf_ptr; 1468 __u64 snapshot_buf_ptr;
1469 __u32 num_queues; 1469 __u32 num_queues;
1470 __u32 entry_size; 1470 __u32 entry_size;
1471 }; 1471 };
1472 1472
1473 /** 1473 /**
1474 * kfd_ioctl_dbg_trap_get_device_snapshot_arg 1474 * kfd_ioctl_dbg_trap_get_device_snapshot_args
1475 * 1475 *
1476 * Arguments for KFD_IOC_DBG_TRAP_GET_DEV 1476 * Arguments for KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT
1477 * Get device information. 1477 * Get device information.
1478 * 1478 *
1479 * @exception_mask (IN) - exception 1479 * @exception_mask (IN) - exceptions raised to clear
1480 * @snapshot_buf_ptr (IN) - pointer t 1480 * @snapshot_buf_ptr (IN) - pointer to snapshot buffer (see kfd_dbg_device_info_entry)
1481 * @num_devices (IN/OUT) - number of 1481 * @num_devices (IN/OUT) - number of debug devices to snapshot
1482 * The debugger specifies the size of 1482 * The debugger specifies the size of the array allocated in @num_devices.
1483 * KFD returns the number of devices 1483 * KFD returns the number of devices that actually existed. If this is
1484 * larger than the size specified by 1484 * larger than the size specified by the debugger, KFD will not overflow
1485 * the array allocated by the debugge 1485 * the array allocated by the debugger.
1486 * 1486 *
1487 * @entry_size (IN/OUT) - size per 1487 * @entry_size (IN/OUT) - size per entry in bytes
1488 * The debugger specifies sizeof(stru 1488 * The debugger specifies sizeof(struct kfd_dbg_device_info_entry) in
1489 * @entry_size. KFD returns the numbe 1489 * @entry_size. KFD returns the number of bytes actually populated. The
1490 * debugger should use KFD_IOCTL_MINO 1490 * debugger should use KFD_IOCTL_MINOR_VERSION to determine, which fields
1491 * in struct kfd_dbg_device_info_entr 1491 * in struct kfd_dbg_device_info_entry are valid. This allows growing the
1492 * ABI in a backwards compatible mann 1492 * ABI in a backwards compatible manner.
1493 * Note that entry_size(IN) should st 1493 * Note that entry_size(IN) should still be used to stride the snapshot buffer in the
1494 * event that it's larger than actual 1494 * event that it's larger than actual kfd_dbg_device_info_entry.
1495 * 1495 *
1496 * Generic errors apply (see kfd_dbg_trap 1496 * Generic errors apply (see kfd_dbg_trap_operations).
1497 * Return - 0 on SUCCESS. 1497 * Return - 0 on SUCCESS.
1498 * Copies @num_devices(IN) devic 1498 * Copies @num_devices(IN) device snapshot entries of size @entry_size(IN)
1499 * into @snapshot_buf_ptr if @nu 1499 * into @snapshot_buf_ptr if @num_devices(IN) > 0.
1500 * Otherwise return @num_devices 1500 * Otherwise return @num_devices(OUT) queue snapshot entries that exist.
1501 */ 1501 */
1502 struct kfd_ioctl_dbg_trap_device_snapshot_arg 1502 struct kfd_ioctl_dbg_trap_device_snapshot_args {
1503 __u64 exception_mask; 1503 __u64 exception_mask;
1504 __u64 snapshot_buf_ptr; 1504 __u64 snapshot_buf_ptr;
1505 __u32 num_devices; 1505 __u32 num_devices;
1506 __u32 entry_size; 1506 __u32 entry_size;
1507 }; 1507 };
1508 1508
1509 /** 1509 /**
1510 * kfd_ioctl_dbg_trap_args 1510 * kfd_ioctl_dbg_trap_args
1511 * 1511 *
1512 * Arguments to debug target process. 1512 * Arguments to debug target process.
1513 * 1513 *
1514 * @pid - target process to debug 1514 * @pid - target process to debug
1515 * @op - debug operation (see kfd_dbg_tr 1515 * @op - debug operation (see kfd_dbg_trap_operations)
1516 * 1516 *
1517 * @op determines which union struct args 1517 * @op determines which union struct args to use.
1518 * Refer to kern docs for each kfd_ioctl_ 1518 * Refer to kern docs for each kfd_ioctl_dbg_trap_*_args struct.
1519 */ 1519 */
1520 struct kfd_ioctl_dbg_trap_args { 1520 struct kfd_ioctl_dbg_trap_args {
1521 __u32 pid; 1521 __u32 pid;
1522 __u32 op; 1522 __u32 op;
1523 1523
1524 union { 1524 union {
1525 struct kfd_ioctl_dbg_trap_ena 1525 struct kfd_ioctl_dbg_trap_enable_args enable;
1526 struct kfd_ioctl_dbg_trap_sen 1526 struct kfd_ioctl_dbg_trap_send_runtime_event_args send_runtime_event;
1527 struct kfd_ioctl_dbg_trap_set 1527 struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args set_exceptions_enabled;
1528 struct kfd_ioctl_dbg_trap_set 1528 struct kfd_ioctl_dbg_trap_set_wave_launch_override_args launch_override;
1529 struct kfd_ioctl_dbg_trap_set 1529 struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args launch_mode;
1530 struct kfd_ioctl_dbg_trap_sus 1530 struct kfd_ioctl_dbg_trap_suspend_queues_args suspend_queues;
1531 struct kfd_ioctl_dbg_trap_res 1531 struct kfd_ioctl_dbg_trap_resume_queues_args resume_queues;
1532 struct kfd_ioctl_dbg_trap_set 1532 struct kfd_ioctl_dbg_trap_set_node_address_watch_args set_node_address_watch;
1533 struct kfd_ioctl_dbg_trap_cle 1533 struct kfd_ioctl_dbg_trap_clear_node_address_watch_args clear_node_address_watch;
1534 struct kfd_ioctl_dbg_trap_set 1534 struct kfd_ioctl_dbg_trap_set_flags_args set_flags;
1535 struct kfd_ioctl_dbg_trap_que 1535 struct kfd_ioctl_dbg_trap_query_debug_event_args query_debug_event;
1536 struct kfd_ioctl_dbg_trap_que 1536 struct kfd_ioctl_dbg_trap_query_exception_info_args query_exception_info;
1537 struct kfd_ioctl_dbg_trap_que 1537 struct kfd_ioctl_dbg_trap_queue_snapshot_args queue_snapshot;
1538 struct kfd_ioctl_dbg_trap_dev 1538 struct kfd_ioctl_dbg_trap_device_snapshot_args device_snapshot;
1539 }; 1539 };
1540 }; 1540 };
1541 1541
1542 #define AMDKFD_IOCTL_BASE 'K' 1542 #define AMDKFD_IOCTL_BASE 'K'
1543 #define AMDKFD_IO(nr) _IO(A 1543 #define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr)
1544 #define AMDKFD_IOR(nr, type) _IOR( 1544 #define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type)
1545 #define AMDKFD_IOW(nr, type) _IOW( 1545 #define AMDKFD_IOW(nr, type) _IOW(AMDKFD_IOCTL_BASE, nr, type)
1546 #define AMDKFD_IOWR(nr, type) _IOWR 1546 #define AMDKFD_IOWR(nr, type) _IOWR(AMDKFD_IOCTL_BASE, nr, type)
1547 1547
1548 #define AMDKFD_IOC_GET_VERSION 1548 #define AMDKFD_IOC_GET_VERSION \
1549 AMDKFD_IOR(0x01, struct kfd_i 1549 AMDKFD_IOR(0x01, struct kfd_ioctl_get_version_args)
1550 1550
1551 #define AMDKFD_IOC_CREATE_QUEUE 1551 #define AMDKFD_IOC_CREATE_QUEUE \
1552 AMDKFD_IOWR(0x02, struct kfd_ 1552 AMDKFD_IOWR(0x02, struct kfd_ioctl_create_queue_args)
1553 1553
1554 #define AMDKFD_IOC_DESTROY_QUEUE 1554 #define AMDKFD_IOC_DESTROY_QUEUE \
1555 AMDKFD_IOWR(0x03, struct kfd_ 1555 AMDKFD_IOWR(0x03, struct kfd_ioctl_destroy_queue_args)
1556 1556
1557 #define AMDKFD_IOC_SET_MEMORY_POLICY 1557 #define AMDKFD_IOC_SET_MEMORY_POLICY \
1558 AMDKFD_IOW(0x04, struct kfd_i 1558 AMDKFD_IOW(0x04, struct kfd_ioctl_set_memory_policy_args)
1559 1559
1560 #define AMDKFD_IOC_GET_CLOCK_COUNTERS 1560 #define AMDKFD_IOC_GET_CLOCK_COUNTERS \
1561 AMDKFD_IOWR(0x05, struct kfd_ 1561 AMDKFD_IOWR(0x05, struct kfd_ioctl_get_clock_counters_args)
1562 1562
1563 #define AMDKFD_IOC_GET_PROCESS_APERTURES 1563 #define AMDKFD_IOC_GET_PROCESS_APERTURES \
1564 AMDKFD_IOR(0x06, struct kfd_i 1564 AMDKFD_IOR(0x06, struct kfd_ioctl_get_process_apertures_args)
1565 1565
1566 #define AMDKFD_IOC_UPDATE_QUEUE 1566 #define AMDKFD_IOC_UPDATE_QUEUE \
1567 AMDKFD_IOW(0x07, struct kfd_i 1567 AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args)
1568 1568
1569 #define AMDKFD_IOC_CREATE_EVENT 1569 #define AMDKFD_IOC_CREATE_EVENT \
1570 AMDKFD_IOWR(0x08, struct kfd_ 1570 AMDKFD_IOWR(0x08, struct kfd_ioctl_create_event_args)
1571 1571
1572 #define AMDKFD_IOC_DESTROY_EVENT 1572 #define AMDKFD_IOC_DESTROY_EVENT \
1573 AMDKFD_IOW(0x09, struct kfd_i 1573 AMDKFD_IOW(0x09, struct kfd_ioctl_destroy_event_args)
1574 1574
1575 #define AMDKFD_IOC_SET_EVENT 1575 #define AMDKFD_IOC_SET_EVENT \
1576 AMDKFD_IOW(0x0A, struct kfd_i 1576 AMDKFD_IOW(0x0A, struct kfd_ioctl_set_event_args)
1577 1577
1578 #define AMDKFD_IOC_RESET_EVENT 1578 #define AMDKFD_IOC_RESET_EVENT \
1579 AMDKFD_IOW(0x0B, struct kfd_i 1579 AMDKFD_IOW(0x0B, struct kfd_ioctl_reset_event_args)
1580 1580
1581 #define AMDKFD_IOC_WAIT_EVENTS 1581 #define AMDKFD_IOC_WAIT_EVENTS \
1582 AMDKFD_IOWR(0x0C, struct kfd_ 1582 AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args)
1583 1583
1584 #define AMDKFD_IOC_DBG_REGISTER_DEPRECATED 1584 #define AMDKFD_IOC_DBG_REGISTER_DEPRECATED \
1585 AMDKFD_IOW(0x0D, struct kfd_i 1585 AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args)
1586 1586
1587 #define AMDKFD_IOC_DBG_UNREGISTER_DEPRECATED 1587 #define AMDKFD_IOC_DBG_UNREGISTER_DEPRECATED \
1588 AMDKFD_IOW(0x0E, struct kfd_i 1588 AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args)
1589 1589
1590 #define AMDKFD_IOC_DBG_ADDRESS_WATCH_DEPRECAT 1590 #define AMDKFD_IOC_DBG_ADDRESS_WATCH_DEPRECATED \
1591 AMDKFD_IOW(0x0F, struct kfd_i 1591 AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args)
1592 1592
1593 #define AMDKFD_IOC_DBG_WAVE_CONTROL_DEPRECATE 1593 #define AMDKFD_IOC_DBG_WAVE_CONTROL_DEPRECATED \
1594 AMDKFD_IOW(0x10, struct kfd_i 1594 AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args)
1595 1595
1596 #define AMDKFD_IOC_SET_SCRATCH_BACKING_VA 1596 #define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \
1597 AMDKFD_IOWR(0x11, struct kfd_ 1597 AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args)
1598 1598
1599 #define AMDKFD_IOC_GET_TILE_CONFIG 1599 #define AMDKFD_IOC_GET_TILE_CONFIG \
1600 AMDKFD_IOWR(0x12, struct kfd_ 1600 AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args)
1601 1601
1602 #define AMDKFD_IOC_SET_TRAP_HANDLER 1602 #define AMDKFD_IOC_SET_TRAP_HANDLER \
1603 AMDKFD_IOW(0x13, struct kfd_i 1603 AMDKFD_IOW(0x13, struct kfd_ioctl_set_trap_handler_args)
1604 1604
1605 #define AMDKFD_IOC_GET_PROCESS_APERTURES_NEW 1605 #define AMDKFD_IOC_GET_PROCESS_APERTURES_NEW \
1606 AMDKFD_IOWR(0x14, 1606 AMDKFD_IOWR(0x14, \
1607 struct kfd_ioctl_get_ 1607 struct kfd_ioctl_get_process_apertures_new_args)
1608 1608
1609 #define AMDKFD_IOC_ACQUIRE_VM 1609 #define AMDKFD_IOC_ACQUIRE_VM \
1610 AMDKFD_IOW(0x15, struct kfd_i 1610 AMDKFD_IOW(0x15, struct kfd_ioctl_acquire_vm_args)
1611 1611
1612 #define AMDKFD_IOC_ALLOC_MEMORY_OF_GPU 1612 #define AMDKFD_IOC_ALLOC_MEMORY_OF_GPU \
1613 AMDKFD_IOWR(0x16, struct kfd_ 1613 AMDKFD_IOWR(0x16, struct kfd_ioctl_alloc_memory_of_gpu_args)
1614 1614
1615 #define AMDKFD_IOC_FREE_MEMORY_OF_GPU 1615 #define AMDKFD_IOC_FREE_MEMORY_OF_GPU \
1616 AMDKFD_IOW(0x17, struct kfd_i 1616 AMDKFD_IOW(0x17, struct kfd_ioctl_free_memory_of_gpu_args)
1617 1617
1618 #define AMDKFD_IOC_MAP_MEMORY_TO_GPU 1618 #define AMDKFD_IOC_MAP_MEMORY_TO_GPU \
1619 AMDKFD_IOWR(0x18, struct kfd_ 1619 AMDKFD_IOWR(0x18, struct kfd_ioctl_map_memory_to_gpu_args)
1620 1620
1621 #define AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU 1621 #define AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU \
1622 AMDKFD_IOWR(0x19, struct kfd_ 1622 AMDKFD_IOWR(0x19, struct kfd_ioctl_unmap_memory_from_gpu_args)
1623 1623
1624 #define AMDKFD_IOC_SET_CU_MASK \ 1624 #define AMDKFD_IOC_SET_CU_MASK \
1625 AMDKFD_IOW(0x1A, struct kfd_i 1625 AMDKFD_IOW(0x1A, struct kfd_ioctl_set_cu_mask_args)
1626 1626
1627 #define AMDKFD_IOC_GET_QUEUE_WAVE_STATE 1627 #define AMDKFD_IOC_GET_QUEUE_WAVE_STATE \
1628 AMDKFD_IOWR(0x1B, struct kfd_ 1628 AMDKFD_IOWR(0x1B, struct kfd_ioctl_get_queue_wave_state_args)
1629 1629
1630 #define AMDKFD_IOC_GET_DMABUF_INFO 1630 #define AMDKFD_IOC_GET_DMABUF_INFO \
1631 AMDKFD_IOWR(0x1C, struct kfd_ 1631 AMDKFD_IOWR(0x1C, struct kfd_ioctl_get_dmabuf_info_args)
1632 1632
1633 #define AMDKFD_IOC_IMPORT_DMABUF 1633 #define AMDKFD_IOC_IMPORT_DMABUF \
1634 AMDKFD_IOWR(0x1D, struct kfd_ 1634 AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args)
1635 1635
1636 #define AMDKFD_IOC_ALLOC_QUEUE_GWS 1636 #define AMDKFD_IOC_ALLOC_QUEUE_GWS \
1637 AMDKFD_IOWR(0x1E, struct kfd_ 1637 AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args)
1638 1638
1639 #define AMDKFD_IOC_SMI_EVENTS 1639 #define AMDKFD_IOC_SMI_EVENTS \
1640 AMDKFD_IOWR(0x1F, struct kfd_ 1640 AMDKFD_IOWR(0x1F, struct kfd_ioctl_smi_events_args)
1641 1641
1642 #define AMDKFD_IOC_SVM AMDKFD_IOWR(0x20, str 1642 #define AMDKFD_IOC_SVM AMDKFD_IOWR(0x20, struct kfd_ioctl_svm_args)
1643 1643
1644 #define AMDKFD_IOC_SET_XNACK_MODE 1644 #define AMDKFD_IOC_SET_XNACK_MODE \
1645 AMDKFD_IOWR(0x21, struct kfd_ 1645 AMDKFD_IOWR(0x21, struct kfd_ioctl_set_xnack_mode_args)
1646 1646
1647 #define AMDKFD_IOC_CRIU_OP 1647 #define AMDKFD_IOC_CRIU_OP \
1648 AMDKFD_IOWR(0x22, struct kfd_ 1648 AMDKFD_IOWR(0x22, struct kfd_ioctl_criu_args)
1649 1649
1650 #define AMDKFD_IOC_AVAILABLE_MEMORY 1650 #define AMDKFD_IOC_AVAILABLE_MEMORY \
1651 AMDKFD_IOWR(0x23, struct kfd_ 1651 AMDKFD_IOWR(0x23, struct kfd_ioctl_get_available_memory_args)
1652 1652
1653 #define AMDKFD_IOC_EXPORT_DMABUF 1653 #define AMDKFD_IOC_EXPORT_DMABUF \
1654 AMDKFD_IOWR(0x24, struct kfd_ 1654 AMDKFD_IOWR(0x24, struct kfd_ioctl_export_dmabuf_args)
1655 1655
1656 #define AMDKFD_IOC_RUNTIME_ENABLE 1656 #define AMDKFD_IOC_RUNTIME_ENABLE \
1657 AMDKFD_IOWR(0x25, struct kfd_ 1657 AMDKFD_IOWR(0x25, struct kfd_ioctl_runtime_enable_args)
1658 1658
1659 #define AMDKFD_IOC_DBG_TRAP 1659 #define AMDKFD_IOC_DBG_TRAP \
1660 AMDKFD_IOWR(0x26, struct kfd_ 1660 AMDKFD_IOWR(0x26, struct kfd_ioctl_dbg_trap_args)
1661 1661
1662 #define AMDKFD_COMMAND_START 0x01 1662 #define AMDKFD_COMMAND_START 0x01
1663 #define AMDKFD_COMMAND_END 0x27 1663 #define AMDKFD_COMMAND_END 0x27
1664 1664
1665 #endif 1665 #endif
1666 1666
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