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