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cat -n /usr/include/linux/kfd_ioctl.h
1 /* 2 * Copyright 2014 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 23 #ifndef KFD_IOCTL_H_INCLUDED 24 #define KFD_IOCTL_H_INCLUDED 25 26 #include <drm/drm.h> 27 #include <linux/ioctl.h> 28 29 /* 30 * - 1.1 - initial version 31 * - 1.3 - Add SMI events support 32 * - 1.4 - Indicate new SRAM EDC bit in device properties 33 * - 1.5 - Add SVM API 34 * - 1.6 - Query clear flags in SVM get_attr API 35 * - 1.7 - Checkpoint Restore (CRIU) API 36 * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs 37 * - 1.9 - Add available memory ioctl 38 * - 1.10 - Add SMI profiler event log 39 * - 1.11 - Add unified memory for ctx save/restore area 40 * - 1.12 - Add DMA buf export ioctl 41 * - 1.13 - Add debugger API 42 * - 1.14 - Update kfd_event_data 43 * - 1.15 - Enable managing mappings in compute VMs with GEM_VA ioctl 44 * - 1.16 - Add contiguous VRAM allocation flag 45 * - 1.17 - Add SDMA queue creation with target SDMA engine ID 46 * - 1.18 - Rename pad in set_memory_policy_args to misc_process_flag 47 * - 1.19 - Add a new ioctl to craete secondary kfd processes 48 * - 1.20 - Trap handler support for expert scheduling mode available 49 * - 1.21 - Debugger support to subscribe to LDS out-of-address exceptions 50 * - 1.22 - Add queue creation with metadata ring base address 51 */ 52 #define KFD_IOCTL_MAJOR_VERSION 1 53 #define KFD_IOCTL_MINOR_VERSION 22 54 55 struct kfd_ioctl_get_version_args { 56 __u32 major_version; /* from KFD */ 57 __u32 minor_version; /* from KFD */ 58 }; 59 60 /* For kfd_ioctl_create_queue_args.queue_type. */ 61 #define KFD_IOC_QUEUE_TYPE_COMPUTE 0x0 62 #define KFD_IOC_QUEUE_TYPE_SDMA 0x1 63 #define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL 0x2 64 #define KFD_IOC_QUEUE_TYPE_SDMA_XGMI 0x3 65 #define KFD_IOC_QUEUE_TYPE_SDMA_BY_ENG_ID 0x4 66 67 #define KFD_MAX_QUEUE_PERCENTAGE 100 68 #define KFD_MAX_QUEUE_PRIORITY 15 69 70 #define KFD_MIN_QUEUE_RING_SIZE 1024 71 72 struct kfd_ioctl_create_queue_args { 73 __u64 ring_base_address; /* to KFD */ 74 __u64 write_pointer_address; /* to KFD */ 75 __u64 read_pointer_address; /* to KFD */ 76 __u64 doorbell_offset; /* from KFD */ 77 78 __u32 ring_size; /* to KFD */ 79 __u32 gpu_id; /* to KFD */ 80 __u32 queue_type; /* to KFD */ 81 __u32 queue_percentage; /* to KFD */ 82 __u32 queue_priority; /* to KFD */ 83 __u32 queue_id; /* from KFD */ 84 85 __u64 eop_buffer_address; /* to KFD */ 86 __u64 eop_buffer_size; /* to KFD */ 87 __u64 ctx_save_restore_address; /* to KFD */ 88 __u32 ctx_save_restore_size; /* to KFD */ 89 __u32 ctl_stack_size; /* to KFD */ 90 __u32 sdma_engine_id; /* to KFD */ 91 __u32 metadata_ring_size; /* to KFD */ 92 }; 93 94 struct kfd_ioctl_destroy_queue_args { 95 __u32 queue_id; /* to KFD */ 96 __u32 pad; 97 }; 98 99 struct kfd_ioctl_update_queue_args { 100 __u64 ring_base_address; /* to KFD */ 101 102 __u32 queue_id; /* to KFD */ 103 __u32 ring_size; /* to KFD */ 104 __u32 queue_percentage; /* to KFD */ 105 __u32 queue_priority; /* to KFD */ 106 }; 107 108 struct kfd_ioctl_set_cu_mask_args { 109 __u32 queue_id; /* to KFD */ 110 __u32 num_cu_mask; /* to KFD */ 111 __u64 cu_mask_ptr; /* to KFD */ 112 }; 113 114 struct kfd_ioctl_get_queue_wave_state_args { 115 __u64 ctl_stack_address; /* to KFD */ 116 __u32 ctl_stack_used_size; /* from KFD */ 117 __u32 save_area_used_size; /* from KFD */ 118 __u32 queue_id; /* to KFD */ 119 __u32 pad; 120 }; 121 122 struct kfd_ioctl_get_available_memory_args { 123 __u64 available; /* from KFD */ 124 __u32 gpu_id; /* to KFD */ 125 __u32 pad; 126 }; 127 128 struct kfd_dbg_device_info_entry { 129 __u64 exception_status; 130 __u64 lds_base; 131 __u64 lds_limit; 132 __u64 scratch_base; 133 __u64 scratch_limit; 134 __u64 gpuvm_base; 135 __u64 gpuvm_limit; 136 __u32 gpu_id; 137 __u32 location_id; 138 __u32 vendor_id; 139 __u32 device_id; 140 __u32 revision_id; 141 __u32 subsystem_vendor_id; 142 __u32 subsystem_device_id; 143 __u32 fw_version; 144 __u32 gfx_target_version; 145 __u32 simd_count; 146 __u32 max_waves_per_simd; 147 __u32 array_count; 148 __u32 simd_arrays_per_engine; 149 __u32 num_xcc; 150 __u32 capability; 151 __u32 debug_prop; 152 __u32 capability2; 153 __u32 pad; 154 }; 155 156 /* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */ 157 #define KFD_IOC_CACHE_POLICY_COHERENT 0 158 #define KFD_IOC_CACHE_POLICY_NONCOHERENT 1 159 160 /* Misc. per process flags */ 161 #define KFD_PROC_FLAG_MFMA_HIGH_PRECISION (1 << 0) 162 163 struct kfd_ioctl_set_memory_policy_args { 164 __u64 alternate_aperture_base; /* to KFD */ 165 __u64 alternate_aperture_size; /* to KFD */ 166 167 __u32 gpu_id; /* to KFD */ 168 __u32 default_policy; /* to KFD */ 169 __u32 alternate_policy; /* to KFD */ 170 __u32 misc_process_flag; /* to KFD */ 171 }; 172 173 /* 174 * All counters are monotonic. They are used for profiling of compute jobs. 175 * The profiling is done by userspace. 176 * 177 * In case of GPU reset, the counter should not be affected. 178 */ 179 180 struct kfd_ioctl_get_clock_counters_args { 181 __u64 gpu_clock_counter; /* from KFD */ 182 __u64 cpu_clock_counter; /* from KFD */ 183 __u64 system_clock_counter; /* from KFD */ 184 __u64 system_clock_freq; /* from KFD */ 185 186 __u32 gpu_id; /* to KFD */ 187 __u32 pad; 188 }; 189 190 struct kfd_process_device_apertures { 191 __u64 lds_base; /* from KFD */ 192 __u64 lds_limit; /* from KFD */ 193 __u64 scratch_base; /* from KFD */ 194 __u64 scratch_limit; /* from KFD */ 195 __u64 gpuvm_base; /* from KFD */ 196 __u64 gpuvm_limit; /* from KFD */ 197 __u32 gpu_id; /* from KFD */ 198 __u32 pad; 199 }; 200 201 /* 202 * AMDKFD_IOC_GET_PROCESS_APERTURES is deprecated. Use 203 * AMDKFD_IOC_GET_PROCESS_APERTURES_NEW instead, which supports an 204 * unlimited number of GPUs. 205 */ 206 #define NUM_OF_SUPPORTED_GPUS 7 207 struct kfd_ioctl_get_process_apertures_args { 208 struct kfd_process_device_apertures 209 process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */ 210 211 /* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */ 212 __u32 num_of_nodes; 213 __u32 pad; 214 }; 215 216 struct kfd_ioctl_get_process_apertures_new_args { 217 /* User allocated. Pointer to struct kfd_process_device_apertures 218 * filled in by Kernel 219 */ 220 __u64 kfd_process_device_apertures_ptr; 221 /* to KFD - indicates amount of memory present in 222 * kfd_process_device_apertures_ptr 223 * from KFD - Number of entries filled by KFD. 224 */ 225 __u32 num_of_nodes; 226 __u32 pad; 227 }; 228 229 #define MAX_ALLOWED_NUM_POINTS 100 230 #define MAX_ALLOWED_AW_BUFF_SIZE 4096 231 #define MAX_ALLOWED_WAC_BUFF_SIZE 128 232 233 struct kfd_ioctl_dbg_register_args { 234 __u32 gpu_id; /* to KFD */ 235 __u32 pad; 236 }; 237 238 struct kfd_ioctl_dbg_unregister_args { 239 __u32 gpu_id; /* to KFD */ 240 __u32 pad; 241 }; 242 243 struct kfd_ioctl_dbg_address_watch_args { 244 __u64 content_ptr; /* a pointer to the actual content */ 245 __u32 gpu_id; /* to KFD */ 246 __u32 buf_size_in_bytes; /*including gpu_id and buf_size */ 247 }; 248 249 struct kfd_ioctl_dbg_wave_control_args { 250 __u64 content_ptr; /* a pointer to the actual content */ 251 __u32 gpu_id; /* to KFD */ 252 __u32 buf_size_in_bytes; /*including gpu_id and buf_size */ 253 }; 254 255 #define KFD_INVALID_FD 0xffffffff 256 257 /* Matching HSA_EVENTTYPE */ 258 #define KFD_IOC_EVENT_SIGNAL 0 259 #define KFD_IOC_EVENT_NODECHANGE 1 260 #define KFD_IOC_EVENT_DEVICESTATECHANGE 2 261 #define KFD_IOC_EVENT_HW_EXCEPTION 3 262 #define KFD_IOC_EVENT_SYSTEM_EVENT 4 263 #define KFD_IOC_EVENT_DEBUG_EVENT 5 264 #define KFD_IOC_EVENT_PROFILE_EVENT 6 265 #define KFD_IOC_EVENT_QUEUE_EVENT 7 266 #define KFD_IOC_EVENT_MEMORY 8 267 268 #define KFD_IOC_WAIT_RESULT_COMPLETE 0 269 #define KFD_IOC_WAIT_RESULT_TIMEOUT 1 270 #define KFD_IOC_WAIT_RESULT_FAIL 2 271 272 #define KFD_SIGNAL_EVENT_LIMIT 4096 273 274 /* For kfd_event_data.hw_exception_data.reset_type. */ 275 #define KFD_HW_EXCEPTION_WHOLE_GPU_RESET 0 276 #define KFD_HW_EXCEPTION_PER_ENGINE_RESET 1 277 278 /* For kfd_event_data.hw_exception_data.reset_cause. */ 279 #define KFD_HW_EXCEPTION_GPU_HANG 0 280 #define KFD_HW_EXCEPTION_ECC 1 281 282 /* For kfd_hsa_memory_exception_data.ErrorType */ 283 #define KFD_MEM_ERR_NO_RAS 0 284 #define KFD_MEM_ERR_SRAM_ECC 1 285 #define KFD_MEM_ERR_POISON_CONSUMED 2 286 #define KFD_MEM_ERR_GPU_HANG 3 287 288 struct kfd_ioctl_create_event_args { 289 __u64 event_page_offset; /* from KFD */ 290 __u32 event_trigger_data; /* from KFD - signal events only */ 291 __u32 event_type; /* to KFD */ 292 __u32 auto_reset; /* to KFD */ 293 __u32 node_id; /* to KFD - only valid for certain 294 event types */ 295 __u32 event_id; /* from KFD */ 296 __u32 event_slot_index; /* from KFD */ 297 }; 298 299 struct kfd_ioctl_destroy_event_args { 300 __u32 event_id; /* to KFD */ 301 __u32 pad; 302 }; 303 304 struct kfd_ioctl_set_event_args { 305 __u32 event_id; /* to KFD */ 306 __u32 pad; 307 }; 308 309 struct kfd_ioctl_reset_event_args { 310 __u32 event_id; /* to KFD */ 311 __u32 pad; 312 }; 313 314 struct kfd_memory_exception_failure { 315 __u32 NotPresent; /* Page not present or supervisor privilege */ 316 __u32 ReadOnly; /* Write access to a read-only page */ 317 __u32 NoExecute; /* Execute access to a page marked NX */ 318 __u32 imprecise; /* Can't determine the exact fault address */ 319 }; 320 321 /* memory exception data */ 322 struct kfd_hsa_memory_exception_data { 323 struct kfd_memory_exception_failure failure; 324 __u64 va; 325 __u32 gpu_id; 326 __u32 ErrorType; /* 0 = no RAS error, 327 * 1 = ECC_SRAM, 328 * 2 = Link_SYNFLOOD (poison), 329 * 3 = GPU hang (not attributable to a specific cause), 330 * other values reserved 331 */ 332 }; 333 334 /* hw exception data */ 335 struct kfd_hsa_hw_exception_data { 336 __u32 reset_type; 337 __u32 reset_cause; 338 __u32 memory_lost; 339 __u32 gpu_id; 340 }; 341 342 /* hsa signal event data */ 343 struct kfd_hsa_signal_event_data { 344 __u64 last_event_age; /* to and from KFD */ 345 }; 346 347 /* Event data */ 348 struct kfd_event_data { 349 union { 350 /* From KFD */ 351 struct kfd_hsa_memory_exception_data memory_exception_data; 352 struct kfd_hsa_hw_exception_data hw_exception_data; 353 /* To and From KFD */ 354 struct kfd_hsa_signal_event_data signal_event_data; 355 }; 356 __u64 kfd_event_data_ext; /* pointer to an extension structure 357 for future exception types */ 358 __u32 event_id; /* to KFD */ 359 __u32 pad; 360 }; 361 362 struct kfd_ioctl_wait_events_args { 363 __u64 events_ptr; /* pointed to struct 364 kfd_event_data array, to KFD */ 365 __u32 num_events; /* to KFD */ 366 __u32 wait_for_all; /* to KFD */ 367 __u32 timeout; /* to KFD */ 368 __u32 wait_result; /* from KFD */ 369 }; 370 371 struct kfd_ioctl_set_scratch_backing_va_args { 372 __u64 va_addr; /* to KFD */ 373 __u32 gpu_id; /* to KFD */ 374 __u32 pad; 375 }; 376 377 struct kfd_ioctl_get_tile_config_args { 378 /* to KFD: pointer to tile array */ 379 __u64 tile_config_ptr; 380 /* to KFD: pointer to macro tile array */ 381 __u64 macro_tile_config_ptr; 382 /* to KFD: array size allocated by user mode 383 * from KFD: array size filled by kernel 384 */ 385 __u32 num_tile_configs; 386 /* to KFD: array size allocated by user mode 387 * from KFD: array size filled by kernel 388 */ 389 __u32 num_macro_tile_configs; 390 391 __u32 gpu_id; /* to KFD */ 392 __u32 gb_addr_config; /* from KFD */ 393 __u32 num_banks; /* from KFD */ 394 __u32 num_ranks; /* from KFD */ 395 /* struct size can be extended later if needed 396 * without breaking ABI compatibility 397 */ 398 }; 399 400 struct kfd_ioctl_set_trap_handler_args { 401 __u64 tba_addr; /* to KFD */ 402 __u64 tma_addr; /* to KFD */ 403 __u32 gpu_id; /* to KFD */ 404 __u32 pad; 405 }; 406 407 struct kfd_ioctl_acquire_vm_args { 408 __u32 drm_fd; /* to KFD */ 409 __u32 gpu_id; /* to KFD */ 410 }; 411 412 /* Allocation flags: memory types */ 413 #define KFD_IOC_ALLOC_MEM_FLAGS_VRAM (1 << 0) 414 #define KFD_IOC_ALLOC_MEM_FLAGS_GTT (1 << 1) 415 #define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR (1 << 2) 416 #define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL (1 << 3) 417 #define KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP (1 << 4) 418 /* Allocation flags: attributes/access options */ 419 #define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE (1 << 31) 420 #define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE (1 << 30) 421 #define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC (1 << 29) 422 #define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE (1 << 28) 423 #define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM (1 << 27) 424 #define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT (1 << 26) 425 #define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED (1 << 25) 426 #define KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT (1 << 24) 427 #define KFD_IOC_ALLOC_MEM_FLAGS_CONTIGUOUS (1 << 23) 428 429 /* Allocate memory for later SVM (shared virtual memory) mapping. 430 * 431 * @va_addr: virtual address of the memory to be allocated 432 * all later mappings on all GPUs will use this address 433 * @size: size in bytes 434 * @handle: buffer handle returned to user mode, used to refer to 435 * this allocation for mapping, unmapping and freeing 436 * @mmap_offset: for CPU-mapping the allocation by mmapping a render node 437 * for userptrs this is overloaded to specify the CPU address 438 * @gpu_id: device identifier 439 * @flags: memory type and attributes. See KFD_IOC_ALLOC_MEM_FLAGS above 440 */ 441 struct kfd_ioctl_alloc_memory_of_gpu_args { 442 __u64 va_addr; /* to KFD */ 443 __u64 size; /* to KFD */ 444 __u64 handle; /* from KFD */ 445 __u64 mmap_offset; /* to KFD (userptr), from KFD (mmap offset) */ 446 __u32 gpu_id; /* to KFD */ 447 __u32 flags; 448 }; 449 450 /* Free memory allocated with kfd_ioctl_alloc_memory_of_gpu 451 * 452 * @handle: memory handle returned by alloc 453 */ 454 struct kfd_ioctl_free_memory_of_gpu_args { 455 __u64 handle; /* to KFD */ 456 }; 457 458 /* Map memory to one or more GPUs 459 * 460 * @handle: memory handle returned by alloc 461 * @device_ids_array_ptr: array of gpu_ids (__u32 per device) 462 * @n_devices: number of devices in the array 463 * @n_success: number of devices mapped successfully 464 * 465 * @n_success returns information to the caller how many devices from 466 * the start of the array have mapped the buffer successfully. It can 467 * be passed into a subsequent retry call to skip those devices. For 468 * the first call the caller should initialize it to 0. 469 * 470 * If the ioctl completes with return code 0 (success), n_success == 471 * n_devices. 472 */ 473 struct kfd_ioctl_map_memory_to_gpu_args { 474 __u64 handle; /* to KFD */ 475 __u64 device_ids_array_ptr; /* to KFD */ 476 __u32 n_devices; /* to KFD */ 477 __u32 n_success; /* to/from KFD */ 478 }; 479 480 /* Unmap memory from one or more GPUs 481 * 482 * same arguments as for mapping 483 */ 484 struct kfd_ioctl_unmap_memory_from_gpu_args { 485 __u64 handle; /* to KFD */ 486 __u64 device_ids_array_ptr; /* to KFD */ 487 __u32 n_devices; /* to KFD */ 488 __u32 n_success; /* to/from KFD */ 489 }; 490 491 /* Allocate GWS for specific queue 492 * 493 * @queue_id: queue's id that GWS is allocated for 494 * @num_gws: how many GWS to allocate 495 * @first_gws: index of the first GWS allocated. 496 * only support contiguous GWS allocation 497 */ 498 struct kfd_ioctl_alloc_queue_gws_args { 499 __u32 queue_id; /* to KFD */ 500 __u32 num_gws; /* to KFD */ 501 __u32 first_gws; /* from KFD */ 502 __u32 pad; 503 }; 504 505 struct kfd_ioctl_get_dmabuf_info_args { 506 __u64 size; /* from KFD */ 507 __u64 metadata_ptr; /* to KFD */ 508 __u32 metadata_size; /* to KFD (space allocated by user) 509 * from KFD (actual metadata size) 510 */ 511 __u32 gpu_id; /* from KFD */ 512 __u32 flags; /* from KFD (KFD_IOC_ALLOC_MEM_FLAGS) */ 513 __u32 dmabuf_fd; /* to KFD */ 514 }; 515 516 struct kfd_ioctl_import_dmabuf_args { 517 __u64 va_addr; /* to KFD */ 518 __u64 handle; /* from KFD */ 519 __u32 gpu_id; /* to KFD */ 520 __u32 dmabuf_fd; /* to KFD */ 521 }; 522 523 struct kfd_ioctl_export_dmabuf_args { 524 __u64 handle; /* to KFD */ 525 __u32 flags; /* to KFD */ 526 __u32 dmabuf_fd; /* from KFD */ 527 }; 528 529 /* 530 * KFD SMI(System Management Interface) events 531 */ 532 enum kfd_smi_event { 533 KFD_SMI_EVENT_NONE = 0, /* not used */ 534 KFD_SMI_EVENT_VMFAULT = 1, /* event start counting at 1 */ 535 KFD_SMI_EVENT_THERMAL_THROTTLE = 2, 536 KFD_SMI_EVENT_GPU_PRE_RESET = 3, 537 KFD_SMI_EVENT_GPU_POST_RESET = 4, 538 KFD_SMI_EVENT_MIGRATE_START = 5, 539 KFD_SMI_EVENT_MIGRATE_END = 6, 540 KFD_SMI_EVENT_PAGE_FAULT_START = 7, 541 KFD_SMI_EVENT_PAGE_FAULT_END = 8, 542 KFD_SMI_EVENT_QUEUE_EVICTION = 9, 543 KFD_SMI_EVENT_QUEUE_RESTORE = 10, 544 KFD_SMI_EVENT_UNMAP_FROM_GPU = 11, 545 KFD_SMI_EVENT_PROCESS_START = 12, 546 KFD_SMI_EVENT_PROCESS_END = 13, 547 548 /* 549 * max event number, as a flag bit to get events from all processes, 550 * this requires super user permission, otherwise will not be able to 551 * receive event from any process. Without this flag to receive events 552 * from same process. 553 */ 554 KFD_SMI_EVENT_ALL_PROCESS = 64 555 }; 556 557 /* The reason of the page migration event */ 558 enum KFD_MIGRATE_TRIGGERS { 559 KFD_MIGRATE_TRIGGER_PREFETCH, /* Prefetch to GPU VRAM or system memory */ 560 KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU, /* GPU page fault recover */ 561 KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU, /* CPU page fault recover */ 562 KFD_MIGRATE_TRIGGER_TTM_EVICTION /* TTM eviction */ 563 }; 564 565 /* The reason of user queue evition event */ 566 enum KFD_QUEUE_EVICTION_TRIGGERS { 567 KFD_QUEUE_EVICTION_TRIGGER_SVM, /* SVM buffer migration */ 568 KFD_QUEUE_EVICTION_TRIGGER_USERPTR, /* userptr movement */ 569 KFD_QUEUE_EVICTION_TRIGGER_TTM, /* TTM move buffer */ 570 KFD_QUEUE_EVICTION_TRIGGER_SUSPEND, /* GPU suspend */ 571 KFD_QUEUE_EVICTION_CRIU_CHECKPOINT, /* CRIU checkpoint */ 572 KFD_QUEUE_EVICTION_CRIU_RESTORE /* CRIU restore */ 573 }; 574 575 /* The reason of unmap buffer from GPU event */ 576 enum KFD_SVM_UNMAP_TRIGGERS { 577 KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY, /* MMU notifier CPU buffer movement */ 578 KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE,/* MMU notifier page migration */ 579 KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU /* Unmap to free the buffer */ 580 }; 581 582 #define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1)) 583 #define KFD_SMI_EVENT_MSG_SIZE 96 584 585 struct kfd_ioctl_smi_events_args { 586 __u32 gpuid; /* to KFD */ 587 __u32 anon_fd; /* from KFD */ 588 }; 589 590 /* 591 * SVM event tracing via SMI system management interface 592 * 593 * Open event file descriptor 594 * use ioctl AMDKFD_IOC_SMI_EVENTS, pass in gpuid and return a anonymous file 595 * descriptor to receive SMI events. 596 * If calling with sudo permission, then file descriptor can be used to receive 597 * SVM events from all processes, otherwise, to only receive SVM events of same 598 * process. 599 * 600 * To enable the SVM event 601 * Write event file descriptor with KFD_SMI_EVENT_MASK_FROM_INDEX(event) bitmap 602 * mask to start record the event to the kfifo, use bitmap mask combination 603 * for multiple events. New event mask will overwrite the previous event mask. 604 * KFD_SMI_EVENT_MASK_FROM_INDEX(KFD_SMI_EVENT_ALL_PROCESS) bit requires sudo 605 * permisson to receive SVM events from all process. 606 * 607 * To receive the event 608 * Application can poll file descriptor to wait for the events, then read event 609 * from the file into a buffer. Each event is one line string message, starting 610 * with the event id, then the event specific information. 611 * 612 * To decode event information 613 * The following event format string macro can be used with sscanf to decode 614 * the specific event information. 615 * event triggers: the reason to generate the event, defined as enum for unmap, 616 * eviction and migrate events. 617 * node, from, to, prefetch_loc, preferred_loc: GPU ID, or 0 for system memory. 618 * addr: user mode address, in pages 619 * size: in pages 620 * pid: the process ID to generate the event 621 * ns: timestamp in nanosecond-resolution, starts at system boot time but 622 * stops during suspend 623 * migrate_update: GPU page fault is recovered by 'M' for migrate, 'U' for update 624 * rw: 'W' for write page fault, 'R' for read page fault 625 * rescheduled: 'R' if the queue restore failed and rescheduled to try again 626 * error_code: migrate failure error code, 0 if no error 627 */ 628 #define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_seq_num, reset_cause)\ 629 "%x %s\n", (reset_seq_num), (reset_cause) 630 631 #define KFD_EVENT_FMT_THERMAL_THROTTLING(bitmask, counter)\ 632 "%llx:%llx\n", (bitmask), (counter) 633 634 #define KFD_EVENT_FMT_VMFAULT(pid, task_name)\ 635 "%x:%s\n", (pid), (task_name) 636 637 #define KFD_EVENT_FMT_PAGEFAULT_START(ns, pid, addr, node, rw)\ 638 "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (rw) 639 640 #define KFD_EVENT_FMT_PAGEFAULT_END(ns, pid, addr, node, migrate_update)\ 641 "%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (migrate_update) 642 643 #define KFD_EVENT_FMT_MIGRATE_START(ns, pid, start, size, from, to, prefetch_loc,\ 644 preferred_loc, migrate_trigger)\ 645 "%lld -%d @%lx(%lx) %x->%x %x:%x %d\n", (ns), (pid), (start), (size),\ 646 (from), (to), (prefetch_loc), (preferred_loc), (migrate_trigger) 647 648 #define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, migrate_trigger, error_code) \ 649 "%lld -%d @%lx(%lx) %x->%x %d %d\n", (ns), (pid), (start), (size),\ 650 (from), (to), (migrate_trigger), (error_code) 651 652 #define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, node, evict_trigger)\ 653 "%lld -%d %x %d\n", (ns), (pid), (node), (evict_trigger) 654 655 #define KFD_EVENT_FMT_QUEUE_RESTORE(ns, pid, node, rescheduled)\ 656 "%lld -%d %x %c\n", (ns), (pid), (node), (rescheduled) 657 658 #define KFD_EVENT_FMT_UNMAP_FROM_GPU(ns, pid, addr, size, node, unmap_trigger)\ 659 "%lld -%d @%lx(%lx) %x %d\n", (ns), (pid), (addr), (size),\ 660 (node), (unmap_trigger) 661 662 #define KFD_EVENT_FMT_PROCESS(pid, task_name)\ 663 "%x %s\n", (pid), (task_name) 664 665 /************************************************************************************************** 666 * CRIU IOCTLs (Checkpoint Restore In Userspace) 667 * 668 * When checkpointing a process, the userspace application will perform: 669 * 1. PROCESS_INFO op to determine current process information. This pauses execution and evicts 670 * all the queues. 671 * 2. CHECKPOINT op to checkpoint process contents (BOs, queues, events, svm-ranges) 672 * 3. UNPAUSE op to un-evict all the queues 673 * 674 * When restoring a process, the CRIU userspace application will perform: 675 * 676 * 1. RESTORE op to restore process contents 677 * 2. RESUME op to start the process 678 * 679 * Note: Queues are forced into an evicted state after a successful PROCESS_INFO. User 680 * application needs to perform an UNPAUSE operation after calling PROCESS_INFO. 681 */ 682 683 enum kfd_criu_op { 684 KFD_CRIU_OP_PROCESS_INFO, 685 KFD_CRIU_OP_CHECKPOINT, 686 KFD_CRIU_OP_UNPAUSE, 687 KFD_CRIU_OP_RESTORE, 688 KFD_CRIU_OP_RESUME, 689 }; 690 691 /** 692 * kfd_ioctl_criu_args - Arguments perform CRIU operation 693 * @devices: [in/out] User pointer to memory location for devices information. 694 * This is an array of type kfd_criu_device_bucket. 695 * @bos: [in/out] User pointer to memory location for BOs information 696 * This is an array of type kfd_criu_bo_bucket. 697 * @priv_data: [in/out] User pointer to memory location for private data 698 * @priv_data_size: [in/out] Size of priv_data in bytes 699 * @num_devices: [in/out] Number of GPUs used by process. Size of @devices array. 700 * @num_bos [in/out] Number of BOs used by process. Size of @bos array. 701 * @num_objects: [in/out] Number of objects used by process. Objects are opaque to 702 * user application. 703 * @pid: [in/out] PID of the process being checkpointed 704 * @op [in] Type of operation (kfd_criu_op) 705 * 706 * Return: 0 on success, -errno on failure 707 */ 708 struct kfd_ioctl_criu_args { 709 __u64 devices; /* Used during ops: CHECKPOINT, RESTORE */ 710 __u64 bos; /* Used during ops: CHECKPOINT, RESTORE */ 711 __u64 priv_data; /* Used during ops: CHECKPOINT, RESTORE */ 712 __u64 priv_data_size; /* Used during ops: PROCESS_INFO, RESTORE */ 713 __u32 num_devices; /* Used during ops: PROCESS_INFO, RESTORE */ 714 __u32 num_bos; /* Used during ops: PROCESS_INFO, RESTORE */ 715 __u32 num_objects; /* Used during ops: PROCESS_INFO, RESTORE */ 716 __u32 pid; /* Used during ops: PROCESS_INFO, RESUME */ 717 __u32 op; 718 }; 719 720 struct kfd_criu_device_bucket { 721 __u32 user_gpu_id; 722 __u32 actual_gpu_id; 723 __u32 drm_fd; 724 __u32 pad; 725 }; 726 727 struct kfd_criu_bo_bucket { 728 __u64 addr; 729 __u64 size; 730 __u64 offset; 731 __u64 restored_offset; /* During restore, updated offset for BO */ 732 __u32 gpu_id; /* This is the user_gpu_id */ 733 __u32 alloc_flags; 734 __u32 dmabuf_fd; 735 __u32 pad; 736 }; 737 738 /* CRIU IOCTLs - END */ 739 /**************************************************************************************************/ 740 741 /* Register offset inside the remapped mmio page 742 */ 743 enum kfd_mmio_remap { 744 KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL = 0, 745 KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL = 4, 746 }; 747 748 /* Guarantee host access to memory */ 749 #define KFD_IOCTL_SVM_FLAG_HOST_ACCESS 0x00000001 750 /* Fine grained coherency between all devices with access */ 751 #define KFD_IOCTL_SVM_FLAG_COHERENT 0x00000002 752 /* Use any GPU in same hive as preferred device */ 753 #define KFD_IOCTL_SVM_FLAG_HIVE_LOCAL 0x00000004 754 /* GPUs only read, allows replication */ 755 #define KFD_IOCTL_SVM_FLAG_GPU_RO 0x00000008 756 /* Allow execution on GPU */ 757 #define KFD_IOCTL_SVM_FLAG_GPU_EXEC 0x00000010 758 /* GPUs mostly read, may allow similar optimizations as RO, but writes fault */ 759 #define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY 0x00000020 760 /* Keep GPU memory mapping always valid as if XNACK is disable */ 761 #define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED 0x00000040 762 /* Fine grained coherency between all devices using device-scope atomics */ 763 #define KFD_IOCTL_SVM_FLAG_EXT_COHERENT 0x00000080 764 765 /** 766 * kfd_ioctl_svm_op - SVM ioctl operations 767 * 768 * @KFD_IOCTL_SVM_OP_SET_ATTR: Modify one or more attributes 769 * @KFD_IOCTL_SVM_OP_GET_ATTR: Query one or more attributes 770 */ 771 enum kfd_ioctl_svm_op { 772 KFD_IOCTL_SVM_OP_SET_ATTR, 773 KFD_IOCTL_SVM_OP_GET_ATTR 774 }; 775 776 /** kfd_ioctl_svm_location - Enum for preferred and prefetch locations 777 * 778 * GPU IDs are used to specify GPUs as preferred and prefetch locations. 779 * Below definitions are used for system memory or for leaving the preferred 780 * location unspecified. 781 */ 782 enum kfd_ioctl_svm_location { 783 KFD_IOCTL_SVM_LOCATION_SYSMEM = 0, 784 KFD_IOCTL_SVM_LOCATION_UNDEFINED = 0xffffffff 785 }; 786 787 /** 788 * kfd_ioctl_svm_attr_type - SVM attribute types 789 * 790 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC: gpuid of the preferred location, 0 for 791 * system memory 792 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC: gpuid of the prefetch location, 0 for 793 * system memory. Setting this triggers an 794 * immediate prefetch (migration). 795 * @KFD_IOCTL_SVM_ATTR_ACCESS: 796 * @KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE: 797 * @KFD_IOCTL_SVM_ATTR_NO_ACCESS: specify memory access for the gpuid given 798 * by the attribute value 799 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS: bitmask of flags to set (see 800 * KFD_IOCTL_SVM_FLAG_...) 801 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS: bitmask of flags to clear 802 * @KFD_IOCTL_SVM_ATTR_GRANULARITY: migration granularity 803 * (log2 num pages) 804 */ 805 enum kfd_ioctl_svm_attr_type { 806 KFD_IOCTL_SVM_ATTR_PREFERRED_LOC, 807 KFD_IOCTL_SVM_ATTR_PREFETCH_LOC, 808 KFD_IOCTL_SVM_ATTR_ACCESS, 809 KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE, 810 KFD_IOCTL_SVM_ATTR_NO_ACCESS, 811 KFD_IOCTL_SVM_ATTR_SET_FLAGS, 812 KFD_IOCTL_SVM_ATTR_CLR_FLAGS, 813 KFD_IOCTL_SVM_ATTR_GRANULARITY 814 }; 815 816 /** 817 * kfd_ioctl_svm_attribute - Attributes as pairs of type and value 818 * 819 * The meaning of the @value depends on the attribute type. 820 * 821 * @type: attribute type (see enum @kfd_ioctl_svm_attr_type) 822 * @value: attribute value 823 */ 824 struct kfd_ioctl_svm_attribute { 825 __u32 type; 826 __u32 value; 827 }; 828 829 /** 830 * kfd_ioctl_svm_args - Arguments for SVM ioctl 831 * 832 * @op specifies the operation to perform (see enum 833 * @kfd_ioctl_svm_op). @start_addr and @size are common for all 834 * operations. 835 * 836 * A variable number of attributes can be given in @attrs. 837 * @nattr specifies the number of attributes. New attributes can be 838 * added in the future without breaking the ABI. If unknown attributes 839 * are given, the function returns -EINVAL. 840 * 841 * @KFD_IOCTL_SVM_OP_SET_ATTR sets attributes for a virtual address 842 * range. It may overlap existing virtual address ranges. If it does, 843 * the existing ranges will be split such that the attribute changes 844 * only apply to the specified address range. 845 * 846 * @KFD_IOCTL_SVM_OP_GET_ATTR returns the intersection of attributes 847 * over all memory in the given range and returns the result as the 848 * attribute value. If different pages have different preferred or 849 * prefetch locations, 0xffffffff will be returned for 850 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC or 851 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC resepctively. For 852 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS, flags of all pages will be 853 * aggregated by bitwise AND. That means, a flag will be set in the 854 * output, if that flag is set for all pages in the range. For 855 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS, flags of all pages will be 856 * aggregated by bitwise NOR. That means, a flag will be set in the 857 * output, if that flag is clear for all pages in the range. 858 * The minimum migration granularity throughout the range will be 859 * returned for @KFD_IOCTL_SVM_ATTR_GRANULARITY. 860 * 861 * Querying of accessibility attributes works by initializing the 862 * attribute type to @KFD_IOCTL_SVM_ATTR_ACCESS and the value to the 863 * GPUID being queried. Multiple attributes can be given to allow 864 * querying multiple GPUIDs. The ioctl function overwrites the 865 * attribute type to indicate the access for the specified GPU. 866 */ 867 struct kfd_ioctl_svm_args { 868 __u64 start_addr; 869 __u64 size; 870 __u32 op; 871 __u32 nattr; 872 /* Variable length array of attributes */ 873 struct kfd_ioctl_svm_attribute attrs[]; 874 }; 875 876 /** 877 * kfd_ioctl_set_xnack_mode_args - Arguments for set_xnack_mode 878 * 879 * @xnack_enabled: [in/out] Whether to enable XNACK mode for this process 880 * 881 * @xnack_enabled indicates whether recoverable page faults should be 882 * enabled for the current process. 0 means disabled, positive means 883 * enabled, negative means leave unchanged. If enabled, virtual address 884 * translations on GFXv9 and later AMD GPUs can return XNACK and retry 885 * the access until a valid PTE is available. This is used to implement 886 * device page faults. 887 * 888 * On output, @xnack_enabled returns the (new) current mode (0 or 889 * positive). Therefore, a negative input value can be used to query 890 * the current mode without changing it. 891 * 892 * The XNACK mode fundamentally changes the way SVM managed memory works 893 * in the driver, with subtle effects on application performance and 894 * functionality. 895 * 896 * Enabling XNACK mode requires shader programs to be compiled 897 * differently. Furthermore, not all GPUs support changing the mode 898 * per-process. Therefore changing the mode is only allowed while no 899 * user mode queues exist in the process. This ensure that no shader 900 * code is running that may be compiled for the wrong mode. And GPUs 901 * that cannot change to the requested mode will prevent the XNACK 902 * mode from occurring. All GPUs used by the process must be in the 903 * same XNACK mode. 904 * 905 * GFXv8 or older GPUs do not support 48 bit virtual addresses or SVM. 906 * Therefore those GPUs are not considered for the XNACK mode switch. 907 * 908 * Return: 0 on success, -errno on failure 909 */ 910 struct kfd_ioctl_set_xnack_mode_args { 911 __s32 xnack_enabled; 912 }; 913 914 /* Wave launch override modes */ 915 enum kfd_dbg_trap_override_mode { 916 KFD_DBG_TRAP_OVERRIDE_OR = 0, 917 KFD_DBG_TRAP_OVERRIDE_REPLACE = 1 918 }; 919 920 /* Wave launch overrides */ 921 enum kfd_dbg_trap_mask { 922 KFD_DBG_TRAP_MASK_FP_INVALID = 1, 923 KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL = 2, 924 KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO = 4, 925 KFD_DBG_TRAP_MASK_FP_OVERFLOW = 8, 926 KFD_DBG_TRAP_MASK_FP_UNDERFLOW = 16, 927 KFD_DBG_TRAP_MASK_FP_INEXACT = 32, 928 KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO = 64, 929 KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH = 128, 930 KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION = 256, 931 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START = (1 << 30), 932 KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END = (1 << 31) 933 }; 934 935 /* Wave launch modes */ 936 enum kfd_dbg_trap_wave_launch_mode { 937 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_NORMAL = 0, 938 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_HALT = 1, 939 KFD_DBG_TRAP_WAVE_LAUNCH_MODE_DEBUG = 3 940 }; 941 942 /* Address watch modes */ 943 enum kfd_dbg_trap_address_watch_mode { 944 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_READ = 0, 945 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_NONREAD = 1, 946 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ATOMIC = 2, 947 KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ALL = 3 948 }; 949 950 /* Additional wave settings */ 951 enum kfd_dbg_trap_flags { 952 KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP = 1, 953 KFD_DBG_TRAP_FLAG_SINGLE_ALU_OP = 2, 954 KFD_DBG_TRAP_FLAG_LDS_OUT_OF_ADDR_RANGE = 4 955 }; 956 957 /* Trap exceptions */ 958 enum kfd_dbg_trap_exception_code { 959 EC_NONE = 0, 960 /* per queue */ 961 EC_QUEUE_WAVE_ABORT = 1, 962 EC_QUEUE_WAVE_TRAP = 2, 963 EC_QUEUE_WAVE_MATH_ERROR = 3, 964 EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION = 4, 965 EC_QUEUE_WAVE_MEMORY_VIOLATION = 5, 966 EC_QUEUE_WAVE_APERTURE_VIOLATION = 6, 967 EC_QUEUE_PACKET_DISPATCH_DIM_INVALID = 16, 968 EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID = 17, 969 EC_QUEUE_PACKET_DISPATCH_CODE_INVALID = 18, 970 EC_QUEUE_PACKET_RESERVED = 19, 971 EC_QUEUE_PACKET_UNSUPPORTED = 20, 972 EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID = 21, 973 EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID = 22, 974 EC_QUEUE_PACKET_VENDOR_UNSUPPORTED = 23, 975 EC_QUEUE_PREEMPTION_ERROR = 30, 976 EC_QUEUE_NEW = 31, 977 /* per device */ 978 EC_DEVICE_QUEUE_DELETE = 32, 979 EC_DEVICE_MEMORY_VIOLATION = 33, 980 EC_DEVICE_RAS_ERROR = 34, 981 EC_DEVICE_FATAL_HALT = 35, 982 EC_DEVICE_NEW = 36, 983 /* per process */ 984 EC_PROCESS_RUNTIME = 48, 985 EC_PROCESS_DEVICE_REMOVE = 49, 986 EC_MAX 987 }; 988 989 /* Mask generated by ecode in kfd_dbg_trap_exception_code */ 990 #define KFD_EC_MASK(ecode) (1ULL << (ecode - 1)) 991 992 /* Masks for exception code type checks below */ 993 #define KFD_EC_MASK_QUEUE (KFD_EC_MASK(EC_QUEUE_WAVE_ABORT) | \ 994 KFD_EC_MASK(EC_QUEUE_WAVE_TRAP) | \ 995 KFD_EC_MASK(EC_QUEUE_WAVE_MATH_ERROR) | \ 996 KFD_EC_MASK(EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION) | \ 997 KFD_EC_MASK(EC_QUEUE_WAVE_MEMORY_VIOLATION) | \ 998 KFD_EC_MASK(EC_QUEUE_WAVE_APERTURE_VIOLATION) | \ 999 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \ 1000 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \ 1001 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \ 1002 KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \ 1003 KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \ 1004 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \ 1005 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \ 1006 KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED) | \ 1007 KFD_EC_MASK(EC_QUEUE_PREEMPTION_ERROR) | \ 1008 KFD_EC_MASK(EC_QUEUE_NEW)) 1009 #define KFD_EC_MASK_DEVICE (KFD_EC_MASK(EC_DEVICE_QUEUE_DELETE) | \ 1010 KFD_EC_MASK(EC_DEVICE_RAS_ERROR) | \ 1011 KFD_EC_MASK(EC_DEVICE_FATAL_HALT) | \ 1012 KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION) | \ 1013 KFD_EC_MASK(EC_DEVICE_NEW)) 1014 #define KFD_EC_MASK_PROCESS (KFD_EC_MASK(EC_PROCESS_RUNTIME) | \ 1015 KFD_EC_MASK(EC_PROCESS_DEVICE_REMOVE)) 1016 #define KFD_EC_MASK_PACKET (KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) | \ 1017 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) | \ 1018 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) | \ 1019 KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) | \ 1020 KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) | \ 1021 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) | \ 1022 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) | \ 1023 KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED)) 1024 1025 /* Checks for exception code types for KFD search */ 1026 #define KFD_DBG_EC_IS_VALID(ecode) (ecode > EC_NONE && ecode < EC_MAX) 1027 #define KFD_DBG_EC_TYPE_IS_QUEUE(ecode) \ 1028 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_QUEUE)) 1029 #define KFD_DBG_EC_TYPE_IS_DEVICE(ecode) \ 1030 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_DEVICE)) 1031 #define KFD_DBG_EC_TYPE_IS_PROCESS(ecode) \ 1032 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PROCESS)) 1033 #define KFD_DBG_EC_TYPE_IS_PACKET(ecode) \ 1034 (KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PACKET)) 1035 1036 1037 /* Runtime enable states */ 1038 enum kfd_dbg_runtime_state { 1039 DEBUG_RUNTIME_STATE_DISABLED = 0, 1040 DEBUG_RUNTIME_STATE_ENABLED = 1, 1041 DEBUG_RUNTIME_STATE_ENABLED_BUSY = 2, 1042 DEBUG_RUNTIME_STATE_ENABLED_ERROR = 3 1043 }; 1044 1045 /* Runtime enable status */ 1046 struct kfd_runtime_info { 1047 __u64 r_debug; 1048 __u32 runtime_state; 1049 __u32 ttmp_setup; 1050 }; 1051 1052 /* Enable modes for runtime enable */ 1053 #define KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK 1 1054 #define KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK 2 1055 1056 /** 1057 * kfd_ioctl_runtime_enable_args - Arguments for runtime enable 1058 * 1059 * Coordinates debug exception signalling and debug device enablement with runtime. 1060 * 1061 * @r_debug - pointer to user struct for sharing information between ROCr and the debuggger 1062 * @mode_mask - mask to set mode 1063 * KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK - enable runtime for debugging, otherwise disable 1064 * KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK - enable trap temporary setup (ignore on disable) 1065 * @capabilities_mask - mask to notify runtime on what KFD supports 1066 * 1067 * Return - 0 on SUCCESS. 1068 * - EBUSY if runtime enable call already pending. 1069 * - EEXIST if user queues already active prior to call. 1070 * If process is debug enabled, runtime enable will enable debug devices and 1071 * wait for debugger process to send runtime exception EC_PROCESS_RUNTIME 1072 * to unblock - see kfd_ioctl_dbg_trap_args. 1073 * 1074 */ 1075 struct kfd_ioctl_runtime_enable_args { 1076 __u64 r_debug; 1077 __u32 mode_mask; 1078 __u32 capabilities_mask; 1079 }; 1080 1081 /* Queue information */ 1082 struct kfd_queue_snapshot_entry { 1083 __u64 exception_status; 1084 __u64 ring_base_address; 1085 __u64 write_pointer_address; 1086 __u64 read_pointer_address; 1087 __u64 ctx_save_restore_address; 1088 __u32 queue_id; 1089 __u32 gpu_id; 1090 __u32 ring_size; 1091 __u32 queue_type; 1092 __u32 ctx_save_restore_area_size; 1093 __u32 reserved; 1094 }; 1095 1096 /* Queue status return for suspend/resume */ 1097 #define KFD_DBG_QUEUE_ERROR_BIT 30 1098 #define KFD_DBG_QUEUE_INVALID_BIT 31 1099 #define KFD_DBG_QUEUE_ERROR_MASK (1 << KFD_DBG_QUEUE_ERROR_BIT) 1100 #define KFD_DBG_QUEUE_INVALID_MASK (1 << KFD_DBG_QUEUE_INVALID_BIT) 1101 1102 /* Context save area header information */ 1103 struct kfd_context_save_area_header { 1104 struct { 1105 __u32 control_stack_offset; 1106 __u32 control_stack_size; 1107 __u32 wave_state_offset; 1108 __u32 wave_state_size; 1109 } wave_state; 1110 __u32 debug_offset; 1111 __u32 debug_size; 1112 __u64 err_payload_addr; 1113 __u32 err_event_id; 1114 __u32 reserved1; 1115 }; 1116 1117 /* 1118 * Debug operations 1119 * 1120 * For specifics on usage and return values, see documentation per operation 1121 * below. Otherwise, generic error returns apply: 1122 * - ESRCH if the process to debug does not exist. 1123 * 1124 * - EINVAL (with KFD_IOC_DBG_TRAP_ENABLE exempt) if operation 1125 * KFD_IOC_DBG_TRAP_ENABLE has not succeeded prior. 1126 * Also returns this error if GPU hardware scheduling is not supported. 1127 * 1128 * - EPERM (with KFD_IOC_DBG_TRAP_DISABLE exempt) if target process is not 1129 * PTRACE_ATTACHED. KFD_IOC_DBG_TRAP_DISABLE is exempt to allow 1130 * clean up of debug mode as long as process is debug enabled. 1131 * 1132 * - EACCES if any DBG_HW_OP (debug hardware operation) is requested when 1133 * AMDKFD_IOC_RUNTIME_ENABLE has not succeeded prior. 1134 * 1135 * - ENODEV if any GPU does not support debugging on a DBG_HW_OP call. 1136 * 1137 * - Other errors may be returned when a DBG_HW_OP occurs while the GPU 1138 * is in a fatal state. 1139 * 1140 */ 1141 enum kfd_dbg_trap_operations { 1142 KFD_IOC_DBG_TRAP_ENABLE = 0, 1143 KFD_IOC_DBG_TRAP_DISABLE = 1, 1144 KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT = 2, 1145 KFD_IOC_DBG_TRAP_SET_EXCEPTIONS_ENABLED = 3, 1146 KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE = 4, /* DBG_HW_OP */ 1147 KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE = 5, /* DBG_HW_OP */ 1148 KFD_IOC_DBG_TRAP_SUSPEND_QUEUES = 6, /* DBG_HW_OP */ 1149 KFD_IOC_DBG_TRAP_RESUME_QUEUES = 7, /* DBG_HW_OP */ 1150 KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH = 8, /* DBG_HW_OP */ 1151 KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH = 9, /* DBG_HW_OP */ 1152 KFD_IOC_DBG_TRAP_SET_FLAGS = 10, 1153 KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT = 11, 1154 KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO = 12, 1155 KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT = 13, 1156 KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT = 14 1157 }; 1158 1159 /** 1160 * kfd_ioctl_dbg_trap_enable_args 1161 * 1162 * Arguments for KFD_IOC_DBG_TRAP_ENABLE. 1163 * 1164 * Enables debug session for target process. Call @op KFD_IOC_DBG_TRAP_DISABLE in 1165 * kfd_ioctl_dbg_trap_args to disable debug session. 1166 * 1167 * @exception_mask (IN) - exceptions to raise to the debugger 1168 * @rinfo_ptr (IN) - pointer to runtime info buffer (see kfd_runtime_info) 1169 * @rinfo_size (IN/OUT) - size of runtime info buffer in bytes 1170 * @dbg_fd (IN) - fd the KFD will nofify the debugger with of raised 1171 * exceptions set in exception_mask. 1172 * 1173 * Generic errors apply (see kfd_dbg_trap_operations). 1174 * Return - 0 on SUCCESS. 1175 * Copies KFD saved kfd_runtime_info to @rinfo_ptr on enable. 1176 * Size of kfd_runtime saved by the KFD returned to @rinfo_size. 1177 * - EBADF if KFD cannot get a reference to dbg_fd. 1178 * - EFAULT if KFD cannot copy runtime info to rinfo_ptr. 1179 * - EINVAL if target process is already debug enabled. 1180 * 1181 */ 1182 struct kfd_ioctl_dbg_trap_enable_args { 1183 __u64 exception_mask; 1184 __u64 rinfo_ptr; 1185 __u32 rinfo_size; 1186 __u32 dbg_fd; 1187 }; 1188 1189 /** 1190 * kfd_ioctl_dbg_trap_send_runtime_event_args 1191 * 1192 * 1193 * Arguments for KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT. 1194 * Raises exceptions to runtime. 1195 * 1196 * @exception_mask (IN) - exceptions to raise to runtime 1197 * @gpu_id (IN) - target device id 1198 * @queue_id (IN) - target queue id 1199 * 1200 * Generic errors apply (see kfd_dbg_trap_operations). 1201 * Return - 0 on SUCCESS. 1202 * - ENODEV if gpu_id not found. 1203 * If exception_mask contains EC_PROCESS_RUNTIME, unblocks pending 1204 * AMDKFD_IOC_RUNTIME_ENABLE call - see kfd_ioctl_runtime_enable_args. 1205 * All other exceptions are raised to runtime through err_payload_addr. 1206 * See kfd_context_save_area_header. 1207 */ 1208 struct kfd_ioctl_dbg_trap_send_runtime_event_args { 1209 __u64 exception_mask; 1210 __u32 gpu_id; 1211 __u32 queue_id; 1212 }; 1213 1214 /** 1215 * kfd_ioctl_dbg_trap_set_exceptions_enabled_args 1216 * 1217 * Arguments for KFD_IOC_SET_EXCEPTIONS_ENABLED 1218 * Set new exceptions to be raised to the debugger. 1219 * 1220 * @exception_mask (IN) - new exceptions to raise the debugger 1221 * 1222 * Generic errors apply (see kfd_dbg_trap_operations). 1223 * Return - 0 on SUCCESS. 1224 */ 1225 struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args { 1226 __u64 exception_mask; 1227 }; 1228 1229 /** 1230 * kfd_ioctl_dbg_trap_set_wave_launch_override_args 1231 * 1232 * Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE 1233 * Enable HW exceptions to raise trap. 1234 * 1235 * @override_mode (IN) - see kfd_dbg_trap_override_mode 1236 * @enable_mask (IN/OUT) - reference kfd_dbg_trap_mask. 1237 * IN is the override modes requested to be enabled. 1238 * OUT is referenced in Return below. 1239 * @support_request_mask (IN/OUT) - reference kfd_dbg_trap_mask. 1240 * IN is the override modes requested for support check. 1241 * OUT is referenced in Return below. 1242 * 1243 * Generic errors apply (see kfd_dbg_trap_operations). 1244 * Return - 0 on SUCCESS. 1245 * Previous enablement is returned in @enable_mask. 1246 * Actual override support is returned in @support_request_mask. 1247 * - EINVAL if override mode is not supported. 1248 * - EACCES if trap support requested is not actually supported. 1249 * i.e. enable_mask (IN) is not a subset of support_request_mask (OUT). 1250 * Otherwise it is considered a generic error (see kfd_dbg_trap_operations). 1251 */ 1252 struct kfd_ioctl_dbg_trap_set_wave_launch_override_args { 1253 __u32 override_mode; 1254 __u32 enable_mask; 1255 __u32 support_request_mask; 1256 __u32 pad; 1257 }; 1258 1259 /** 1260 * kfd_ioctl_dbg_trap_set_wave_launch_mode_args 1261 * 1262 * Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE 1263 * Set wave launch mode. 1264 * 1265 * @mode (IN) - see kfd_dbg_trap_wave_launch_mode 1266 * 1267 * Generic errors apply (see kfd_dbg_trap_operations). 1268 * Return - 0 on SUCCESS. 1269 */ 1270 struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args { 1271 __u32 launch_mode; 1272 __u32 pad; 1273 }; 1274 1275 /** 1276 * kfd_ioctl_dbg_trap_suspend_queues_ags 1277 * 1278 * Arguments for KFD_IOC_DBG_TRAP_SUSPEND_QUEUES 1279 * Suspend queues. 1280 * 1281 * @exception_mask (IN) - raised exceptions to clear 1282 * @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id) 1283 * to suspend 1284 * @num_queues (IN) - number of queues to suspend in @queue_array_ptr 1285 * @grace_period (IN) - wave time allowance before preemption 1286 * per 1K GPU clock cycle unit 1287 * 1288 * Generic errors apply (see kfd_dbg_trap_operations). 1289 * Destruction of a suspended queue is blocked until the queue is 1290 * resumed. This allows the debugger to access queue information and 1291 * the its context save area without running into a race condition on 1292 * queue destruction. 1293 * Automatically copies per queue context save area header information 1294 * into the save area base 1295 * (see kfd_queue_snapshot_entry and kfd_context_save_area_header). 1296 * 1297 * Return - Number of queues suspended on SUCCESS. 1298 * . KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK masked 1299 * for each queue id in @queue_array_ptr array reports unsuccessful 1300 * suspend reason. 1301 * KFD_DBG_QUEUE_ERROR_MASK = HW failure. 1302 * KFD_DBG_QUEUE_INVALID_MASK = queue does not exist, is new or 1303 * is being destroyed. 1304 */ 1305 struct kfd_ioctl_dbg_trap_suspend_queues_args { 1306 __u64 exception_mask; 1307 __u64 queue_array_ptr; 1308 __u32 num_queues; 1309 __u32 grace_period; 1310 }; 1311 1312 /** 1313 * kfd_ioctl_dbg_trap_resume_queues_args 1314 * 1315 * Arguments for KFD_IOC_DBG_TRAP_RESUME_QUEUES 1316 * Resume queues. 1317 * 1318 * @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id) 1319 * to resume 1320 * @num_queues (IN) - number of queues to resume in @queue_array_ptr 1321 * 1322 * Generic errors apply (see kfd_dbg_trap_operations). 1323 * Return - Number of queues resumed on SUCCESS. 1324 * KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK mask 1325 * for each queue id in @queue_array_ptr array reports unsuccessful 1326 * resume reason. 1327 * KFD_DBG_QUEUE_ERROR_MASK = HW failure. 1328 * KFD_DBG_QUEUE_INVALID_MASK = queue does not exist. 1329 */ 1330 struct kfd_ioctl_dbg_trap_resume_queues_args { 1331 __u64 queue_array_ptr; 1332 __u32 num_queues; 1333 __u32 pad; 1334 }; 1335 1336 /** 1337 * kfd_ioctl_dbg_trap_set_node_address_watch_args 1338 * 1339 * Arguments for KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH 1340 * Sets address watch for device. 1341 * 1342 * @address (IN) - watch address to set 1343 * @mode (IN) - see kfd_dbg_trap_address_watch_mode 1344 * @mask (IN) - watch address mask 1345 * @gpu_id (IN) - target gpu to set watch point 1346 * @id (OUT) - watch id allocated 1347 * 1348 * Generic errors apply (see kfd_dbg_trap_operations). 1349 * Return - 0 on SUCCESS. 1350 * Allocated watch ID returned to @id. 1351 * - ENODEV if gpu_id not found. 1352 * - ENOMEM if watch IDs can be allocated 1353 */ 1354 struct kfd_ioctl_dbg_trap_set_node_address_watch_args { 1355 __u64 address; 1356 __u32 mode; 1357 __u32 mask; 1358 __u32 gpu_id; 1359 __u32 id; 1360 }; 1361 1362 /** 1363 * kfd_ioctl_dbg_trap_clear_node_address_watch_args 1364 * 1365 * Arguments for KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH 1366 * Clear address watch for device. 1367 * 1368 * @gpu_id (IN) - target device to clear watch point 1369 * @id (IN) - allocated watch id to clear 1370 * 1371 * Generic errors apply (see kfd_dbg_trap_operations). 1372 * Return - 0 on SUCCESS. 1373 * - ENODEV if gpu_id not found. 1374 * - EINVAL if watch ID has not been allocated. 1375 */ 1376 struct kfd_ioctl_dbg_trap_clear_node_address_watch_args { 1377 __u32 gpu_id; 1378 __u32 id; 1379 }; 1380 1381 /** 1382 * kfd_ioctl_dbg_trap_set_flags_args 1383 * 1384 * Arguments for KFD_IOC_DBG_TRAP_SET_FLAGS 1385 * Sets flags for wave behaviour. 1386 * 1387 * @flags (IN/OUT) - IN = flags to enable, OUT = flags previously enabled 1388 * 1389 * Generic errors apply (see kfd_dbg_trap_operations). 1390 * Return - 0 on SUCCESS. 1391 * - EACCESS if any debug device does not allow flag options. 1392 */ 1393 struct kfd_ioctl_dbg_trap_set_flags_args { 1394 __u32 flags; 1395 __u32 pad; 1396 }; 1397 1398 /** 1399 * kfd_ioctl_dbg_trap_query_debug_event_args 1400 * 1401 * Arguments for KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT 1402 * 1403 * Find one or more raised exceptions. This function can return multiple 1404 * exceptions from a single queue or a single device with one call. To find 1405 * all raised exceptions, this function must be called repeatedly until it 1406 * returns -EAGAIN. Returned exceptions can optionally be cleared by 1407 * setting the corresponding bit in the @exception_mask input parameter. 1408 * However, clearing an exception prevents retrieving further information 1409 * about it with KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO. 1410 * 1411 * @exception_mask (IN/OUT) - exception to clear (IN) and raised (OUT) 1412 * @gpu_id (OUT) - gpu id of exceptions raised 1413 * @queue_id (OUT) - queue id of exceptions raised 1414 * 1415 * Generic errors apply (see kfd_dbg_trap_operations). 1416 * Return - 0 on raised exception found 1417 * Raised exceptions found are returned in @exception mask 1418 * with reported source id returned in @gpu_id or @queue_id. 1419 * - EAGAIN if no raised exception has been found 1420 */ 1421 struct kfd_ioctl_dbg_trap_query_debug_event_args { 1422 __u64 exception_mask; 1423 __u32 gpu_id; 1424 __u32 queue_id; 1425 }; 1426 1427 /** 1428 * kfd_ioctl_dbg_trap_query_exception_info_args 1429 * 1430 * Arguments KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO 1431 * Get additional info on raised exception. 1432 * 1433 * @info_ptr (IN) - pointer to exception info buffer to copy to 1434 * @info_size (IN/OUT) - exception info buffer size (bytes) 1435 * @source_id (IN) - target gpu or queue id 1436 * @exception_code (IN) - target exception 1437 * @clear_exception (IN) - clear raised @exception_code exception 1438 * (0 = false, 1 = true) 1439 * 1440 * Generic errors apply (see kfd_dbg_trap_operations). 1441 * Return - 0 on SUCCESS. 1442 * If @exception_code is EC_DEVICE_MEMORY_VIOLATION, copy @info_size(OUT) 1443 * bytes of memory exception data to @info_ptr. 1444 * If @exception_code is EC_PROCESS_RUNTIME, copy saved 1445 * kfd_runtime_info to @info_ptr. 1446 * Actual required @info_ptr size (bytes) is returned in @info_size. 1447 */ 1448 struct kfd_ioctl_dbg_trap_query_exception_info_args { 1449 __u64 info_ptr; 1450 __u32 info_size; 1451 __u32 source_id; 1452 __u32 exception_code; 1453 __u32 clear_exception; 1454 }; 1455 1456 /** 1457 * kfd_ioctl_dbg_trap_get_queue_snapshot_args 1458 * 1459 * Arguments KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT 1460 * Get queue information. 1461 * 1462 * @exception_mask (IN) - exceptions raised to clear 1463 * @snapshot_buf_ptr (IN) - queue snapshot entry buffer (see kfd_queue_snapshot_entry) 1464 * @num_queues (IN/OUT) - number of queue snapshot entries 1465 * The debugger specifies the size of the array allocated in @num_queues. 1466 * KFD returns the number of queues that actually existed. If this is 1467 * larger than the size specified by the debugger, KFD will not overflow 1468 * the array allocated by the debugger. 1469 * 1470 * @entry_size (IN/OUT) - size per entry in bytes 1471 * The debugger specifies sizeof(struct kfd_queue_snapshot_entry) in 1472 * @entry_size. KFD returns the number of bytes actually populated per 1473 * entry. The debugger should use the KFD_IOCTL_MINOR_VERSION to determine, 1474 * which fields in struct kfd_queue_snapshot_entry are valid. This allows 1475 * growing the ABI in a backwards compatible manner. 1476 * Note that entry_size(IN) should still be used to stride the snapshot buffer in the 1477 * event that it's larger than actual kfd_queue_snapshot_entry. 1478 * 1479 * Generic errors apply (see kfd_dbg_trap_operations). 1480 * Return - 0 on SUCCESS. 1481 * Copies @num_queues(IN) queue snapshot entries of size @entry_size(IN) 1482 * into @snapshot_buf_ptr if @num_queues(IN) > 0. 1483 * Otherwise return @num_queues(OUT) queue snapshot entries that exist. 1484 */ 1485 struct kfd_ioctl_dbg_trap_queue_snapshot_args { 1486 __u64 exception_mask; 1487 __u64 snapshot_buf_ptr; 1488 __u32 num_queues; 1489 __u32 entry_size; 1490 }; 1491 1492 /** 1493 * kfd_ioctl_dbg_trap_get_device_snapshot_args 1494 * 1495 * Arguments for KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT 1496 * Get device information. 1497 * 1498 * @exception_mask (IN) - exceptions raised to clear 1499 * @snapshot_buf_ptr (IN) - pointer to snapshot buffer (see kfd_dbg_device_info_entry) 1500 * @num_devices (IN/OUT) - number of debug devices to snapshot 1501 * The debugger specifies the size of the array allocated in @num_devices. 1502 * KFD returns the number of devices that actually existed. If this is 1503 * larger than the size specified by the debugger, KFD will not overflow 1504 * the array allocated by the debugger. 1505 * 1506 * @entry_size (IN/OUT) - size per entry in bytes 1507 * The debugger specifies sizeof(struct kfd_dbg_device_info_entry) in 1508 * @entry_size. KFD returns the number of bytes actually populated. The 1509 * debugger should use KFD_IOCTL_MINOR_VERSION to determine, which fields 1510 * in struct kfd_dbg_device_info_entry are valid. This allows growing the 1511 * ABI in a backwards compatible manner. 1512 * Note that entry_size(IN) should still be used to stride the snapshot buffer in the 1513 * event that it's larger than actual kfd_dbg_device_info_entry. 1514 * 1515 * Generic errors apply (see kfd_dbg_trap_operations). 1516 * Return - 0 on SUCCESS. 1517 * Copies @num_devices(IN) device snapshot entries of size @entry_size(IN) 1518 * into @snapshot_buf_ptr if @num_devices(IN) > 0. 1519 * Otherwise return @num_devices(OUT) queue snapshot entries that exist. 1520 */ 1521 struct kfd_ioctl_dbg_trap_device_snapshot_args { 1522 __u64 exception_mask; 1523 __u64 snapshot_buf_ptr; 1524 __u32 num_devices; 1525 __u32 entry_size; 1526 }; 1527 1528 /** 1529 * kfd_ioctl_dbg_trap_args 1530 * 1531 * Arguments to debug target process. 1532 * 1533 * @pid - target process to debug 1534 * @op - debug operation (see kfd_dbg_trap_operations) 1535 * 1536 * @op determines which union struct args to use. 1537 * Refer to kern docs for each kfd_ioctl_dbg_trap_*_args struct. 1538 */ 1539 struct kfd_ioctl_dbg_trap_args { 1540 __u32 pid; 1541 __u32 op; 1542 1543 union { 1544 struct kfd_ioctl_dbg_trap_enable_args enable; 1545 struct kfd_ioctl_dbg_trap_send_runtime_event_args send_runtime_event; 1546 struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args set_exceptions_enabled; 1547 struct kfd_ioctl_dbg_trap_set_wave_launch_override_args launch_override; 1548 struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args launch_mode; 1549 struct kfd_ioctl_dbg_trap_suspend_queues_args suspend_queues; 1550 struct kfd_ioctl_dbg_trap_resume_queues_args resume_queues; 1551 struct kfd_ioctl_dbg_trap_set_node_address_watch_args set_node_address_watch; 1552 struct kfd_ioctl_dbg_trap_clear_node_address_watch_args clear_node_address_watch; 1553 struct kfd_ioctl_dbg_trap_set_flags_args set_flags; 1554 struct kfd_ioctl_dbg_trap_query_debug_event_args query_debug_event; 1555 struct kfd_ioctl_dbg_trap_query_exception_info_args query_exception_info; 1556 struct kfd_ioctl_dbg_trap_queue_snapshot_args queue_snapshot; 1557 struct kfd_ioctl_dbg_trap_device_snapshot_args device_snapshot; 1558 }; 1559 }; 1560 1561 #define AMDKFD_IOCTL_BASE 'K' 1562 #define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr) 1563 #define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type) 1564 #define AMDKFD_IOW(nr, type) _IOW(AMDKFD_IOCTL_BASE, nr, type) 1565 #define AMDKFD_IOWR(nr, type) _IOWR(AMDKFD_IOCTL_BASE, nr, type) 1566 1567 #define AMDKFD_IOC_GET_VERSION \ 1568 AMDKFD_IOR(0x01, struct kfd_ioctl_get_version_args) 1569 1570 #define AMDKFD_IOC_CREATE_QUEUE \ 1571 AMDKFD_IOWR(0x02, struct kfd_ioctl_create_queue_args) 1572 1573 #define AMDKFD_IOC_DESTROY_QUEUE \ 1574 AMDKFD_IOWR(0x03, struct kfd_ioctl_destroy_queue_args) 1575 1576 #define AMDKFD_IOC_SET_MEMORY_POLICY \ 1577 AMDKFD_IOW(0x04, struct kfd_ioctl_set_memory_policy_args) 1578 1579 #define AMDKFD_IOC_GET_CLOCK_COUNTERS \ 1580 AMDKFD_IOWR(0x05, struct kfd_ioctl_get_clock_counters_args) 1581 1582 #define AMDKFD_IOC_GET_PROCESS_APERTURES \ 1583 AMDKFD_IOR(0x06, struct kfd_ioctl_get_process_apertures_args) 1584 1585 #define AMDKFD_IOC_UPDATE_QUEUE \ 1586 AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args) 1587 1588 #define AMDKFD_IOC_CREATE_EVENT \ 1589 AMDKFD_IOWR(0x08, struct kfd_ioctl_create_event_args) 1590 1591 #define AMDKFD_IOC_DESTROY_EVENT \ 1592 AMDKFD_IOW(0x09, struct kfd_ioctl_destroy_event_args) 1593 1594 #define AMDKFD_IOC_SET_EVENT \ 1595 AMDKFD_IOW(0x0A, struct kfd_ioctl_set_event_args) 1596 1597 #define AMDKFD_IOC_RESET_EVENT \ 1598 AMDKFD_IOW(0x0B, struct kfd_ioctl_reset_event_args) 1599 1600 #define AMDKFD_IOC_WAIT_EVENTS \ 1601 AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args) 1602 1603 #define AMDKFD_IOC_DBG_REGISTER_DEPRECATED \ 1604 AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args) 1605 1606 #define AMDKFD_IOC_DBG_UNREGISTER_DEPRECATED \ 1607 AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args) 1608 1609 #define AMDKFD_IOC_DBG_ADDRESS_WATCH_DEPRECATED \ 1610 AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args) 1611 1612 #define AMDKFD_IOC_DBG_WAVE_CONTROL_DEPRECATED \ 1613 AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args) 1614 1615 #define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \ 1616 AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args) 1617 1618 #define AMDKFD_IOC_GET_TILE_CONFIG \ 1619 AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args) 1620 1621 #define AMDKFD_IOC_SET_TRAP_HANDLER \ 1622 AMDKFD_IOW(0x13, struct kfd_ioctl_set_trap_handler_args) 1623 1624 #define AMDKFD_IOC_GET_PROCESS_APERTURES_NEW \ 1625 AMDKFD_IOWR(0x14, \ 1626 struct kfd_ioctl_get_process_apertures_new_args) 1627 1628 #define AMDKFD_IOC_ACQUIRE_VM \ 1629 AMDKFD_IOW(0x15, struct kfd_ioctl_acquire_vm_args) 1630 1631 #define AMDKFD_IOC_ALLOC_MEMORY_OF_GPU \ 1632 AMDKFD_IOWR(0x16, struct kfd_ioctl_alloc_memory_of_gpu_args) 1633 1634 #define AMDKFD_IOC_FREE_MEMORY_OF_GPU \ 1635 AMDKFD_IOW(0x17, struct kfd_ioctl_free_memory_of_gpu_args) 1636 1637 #define AMDKFD_IOC_MAP_MEMORY_TO_GPU \ 1638 AMDKFD_IOWR(0x18, struct kfd_ioctl_map_memory_to_gpu_args) 1639 1640 #define AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU \ 1641 AMDKFD_IOWR(0x19, struct kfd_ioctl_unmap_memory_from_gpu_args) 1642 1643 #define AMDKFD_IOC_SET_CU_MASK \ 1644 AMDKFD_IOW(0x1A, struct kfd_ioctl_set_cu_mask_args) 1645 1646 #define AMDKFD_IOC_GET_QUEUE_WAVE_STATE \ 1647 AMDKFD_IOWR(0x1B, struct kfd_ioctl_get_queue_wave_state_args) 1648 1649 #define AMDKFD_IOC_GET_DMABUF_INFO \ 1650 AMDKFD_IOWR(0x1C, struct kfd_ioctl_get_dmabuf_info_args) 1651 1652 #define AMDKFD_IOC_IMPORT_DMABUF \ 1653 AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args) 1654 1655 #define AMDKFD_IOC_ALLOC_QUEUE_GWS \ 1656 AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args) 1657 1658 #define AMDKFD_IOC_SMI_EVENTS \ 1659 AMDKFD_IOWR(0x1F, struct kfd_ioctl_smi_events_args) 1660 1661 #define AMDKFD_IOC_SVM AMDKFD_IOWR(0x20, struct kfd_ioctl_svm_args) 1662 1663 #define AMDKFD_IOC_SET_XNACK_MODE \ 1664 AMDKFD_IOWR(0x21, struct kfd_ioctl_set_xnack_mode_args) 1665 1666 #define AMDKFD_IOC_CRIU_OP \ 1667 AMDKFD_IOWR(0x22, struct kfd_ioctl_criu_args) 1668 1669 #define AMDKFD_IOC_AVAILABLE_MEMORY \ 1670 AMDKFD_IOWR(0x23, struct kfd_ioctl_get_available_memory_args) 1671 1672 #define AMDKFD_IOC_EXPORT_DMABUF \ 1673 AMDKFD_IOWR(0x24, struct kfd_ioctl_export_dmabuf_args) 1674 1675 #define AMDKFD_IOC_RUNTIME_ENABLE \ 1676 AMDKFD_IOWR(0x25, struct kfd_ioctl_runtime_enable_args) 1677 1678 #define AMDKFD_IOC_DBG_TRAP \ 1679 AMDKFD_IOWR(0x26, struct kfd_ioctl_dbg_trap_args) 1680 1681 #define AMDKFD_IOC_CREATE_PROCESS \ 1682 AMDKFD_IO(0x27) 1683 1684 #define AMDKFD_COMMAND_START 0x01 1685 #define AMDKFD_COMMAND_END 0x28 1686 1687 #endif
