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