1 // SPDX-License-Identifier: GPL-2.0 OR MIT 2 /* 3 * Copyright 2016-2022 Advanced Micro Devices, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21 * OTHER DEALINGS IN THE SOFTWARE. 22 * 23 */ 24 25 #include "kfd_kernel_queue.h" 26 #include "kfd_device_queue_manager.h" 27 #include "kfd_pm4_headers_ai.h" 28 #include "kfd_pm4_headers_aldebaran.h" 29 #include "kfd_pm4_opcodes.h" 30 #include "gc/gc_10_1_0_sh_mask.h" 31 32 static int pm_map_process_v9(struct packet_manager *pm, 33 uint32_t *buffer, struct qcm_process_device *qpd) 34 { 35 struct pm4_mes_map_process *packet; 36 uint64_t vm_page_table_base_addr = qpd->page_table_base; 37 struct kfd_node *kfd = pm->dqm->dev; 38 struct kfd_process_device *pdd = 39 container_of(qpd, struct kfd_process_device, qpd); 40 struct amdgpu_device *adev = kfd->adev; 41 42 packet = (struct pm4_mes_map_process *)buffer; 43 memset(buffer, 0, sizeof(struct pm4_mes_map_process)); 44 packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, 45 sizeof(struct pm4_mes_map_process)); 46 if (adev->enforce_isolation[kfd->node_id] == AMDGPU_ENFORCE_ISOLATION_ENABLE) 47 packet->bitfields2.exec_cleaner_shader = 1; 48 packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; 49 packet->bitfields2.process_quantum = 10; 50 packet->bitfields2.pasid = pdd->pasid; 51 packet->bitfields14.gds_size = qpd->gds_size & 0x3F; 52 packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF; 53 packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0; 54 packet->bitfields14.num_oac = qpd->num_oac; 55 packet->bitfields14.sdma_enable = 1; 56 packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; 57 58 if (kfd->dqm->trap_debug_vmid && pdd->process->debug_trap_enabled && 59 pdd->process->runtime_info.runtime_state == DEBUG_RUNTIME_STATE_ENABLED) { 60 packet->bitfields2.debug_vmid = kfd->dqm->trap_debug_vmid; 61 packet->bitfields2.new_debug = 1; 62 } 63 64 packet->sh_mem_config = qpd->sh_mem_config; 65 packet->sh_mem_bases = qpd->sh_mem_bases; 66 if (qpd->tba_addr) { 67 packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8); 68 /* On GFX9, unlike GFX10, bit TRAP_EN of SQ_SHADER_TBA_HI is 69 * not defined, so setting it won't do any harm. 70 */ 71 packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8) 72 | 1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT; 73 74 packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8); 75 packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8); 76 } 77 78 packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); 79 packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); 80 81 packet->vm_context_page_table_base_addr_lo32 = 82 lower_32_bits(vm_page_table_base_addr); 83 packet->vm_context_page_table_base_addr_hi32 = 84 upper_32_bits(vm_page_table_base_addr); 85 86 return 0; 87 } 88 89 static int pm_map_process_aldebaran(struct packet_manager *pm, 90 uint32_t *buffer, struct qcm_process_device *qpd) 91 { 92 struct pm4_mes_map_process_aldebaran *packet; 93 uint64_t vm_page_table_base_addr = qpd->page_table_base; 94 struct kfd_dev *kfd = pm->dqm->dev->kfd; 95 struct kfd_node *knode = pm->dqm->dev; 96 struct kfd_process_device *pdd = 97 container_of(qpd, struct kfd_process_device, qpd); 98 int i; 99 struct amdgpu_device *adev = kfd->adev; 100 101 packet = (struct pm4_mes_map_process_aldebaran *)buffer; 102 memset(buffer, 0, sizeof(struct pm4_mes_map_process_aldebaran)); 103 packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS, 104 sizeof(struct pm4_mes_map_process_aldebaran)); 105 if (adev->enforce_isolation[knode->node_id] == 106 AMDGPU_ENFORCE_ISOLATION_ENABLE) 107 packet->bitfields2.exec_cleaner_shader = 1; 108 packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; 109 packet->bitfields2.process_quantum = 10; 110 packet->bitfields2.pasid = pdd->pasid; 111 packet->bitfields14.gds_size = qpd->gds_size & 0x3F; 112 packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF; 113 packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0; 114 packet->bitfields14.num_oac = qpd->num_oac; 115 packet->bitfields14.sdma_enable = 1; 116 packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count; 117 packet->spi_gdbg_per_vmid_cntl = pdd->spi_dbg_override | 118 pdd->spi_dbg_launch_mode; 119 120 if (pdd->process->debug_trap_enabled) { 121 for (i = 0; i < kfd->device_info.num_of_watch_points; i++) 122 packet->tcp_watch_cntl[i] = pdd->watch_points[i]; 123 124 packet->bitfields2.single_memops = 125 !!(pdd->process->dbg_flags & KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP); 126 } 127 128 packet->sh_mem_config = qpd->sh_mem_config; 129 packet->sh_mem_bases = qpd->sh_mem_bases; 130 if (qpd->tba_addr) { 131 packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8); 132 packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8); 133 packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8); 134 packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8); 135 } 136 137 packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); 138 packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); 139 140 packet->vm_context_page_table_base_addr_lo32 = 141 lower_32_bits(vm_page_table_base_addr); 142 packet->vm_context_page_table_base_addr_hi32 = 143 upper_32_bits(vm_page_table_base_addr); 144 145 return 0; 146 } 147 148 static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer, 149 uint64_t ib, size_t ib_size_in_dwords, bool chain) 150 { 151 struct pm4_mes_runlist *packet; 152 153 int concurrent_proc_cnt = 0; 154 struct kfd_node *kfd = pm->dqm->dev; 155 struct amdgpu_device *adev = kfd->adev; 156 157 /* Determine the number of processes to map together to HW: 158 * it can not exceed the number of VMIDs available to the 159 * scheduler, and it is determined by the smaller of the number 160 * of processes in the runlist and kfd module parameter 161 * hws_max_conc_proc. 162 * However, if enforce_isolation is set (toggle LDS/VGPRs/SGPRs 163 * cleaner between process switch), enable single-process mode 164 * in HWS. 165 * Note: the arbitration between the number of VMIDs and 166 * hws_max_conc_proc has been done in 167 * kgd2kfd_device_init(). 168 */ 169 concurrent_proc_cnt = (adev->enforce_isolation[kfd->node_id] == 170 AMDGPU_ENFORCE_ISOLATION_ENABLE) ? 171 1 : min(pm->dqm->processes_count, kfd->max_proc_per_quantum); 172 173 packet = (struct pm4_mes_runlist *)buffer; 174 175 memset(buffer, 0, sizeof(struct pm4_mes_runlist)); 176 packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST, 177 sizeof(struct pm4_mes_runlist)); 178 179 packet->bitfields4.ib_size = ib_size_in_dwords; 180 packet->bitfields4.chain = chain ? 1 : 0; 181 packet->bitfields4.offload_polling = 0; 182 packet->bitfields4.chained_runlist_idle_disable = chain ? 1 : 0; 183 packet->bitfields4.valid = 1; 184 packet->bitfields4.process_cnt = concurrent_proc_cnt; 185 packet->ordinal2 = lower_32_bits(ib); 186 packet->ib_base_hi = upper_32_bits(ib); 187 188 return 0; 189 } 190 191 static int pm_set_resources_v9(struct packet_manager *pm, uint32_t *buffer, 192 struct scheduling_resources *res) 193 { 194 struct pm4_mes_set_resources *packet; 195 196 packet = (struct pm4_mes_set_resources *)buffer; 197 memset(buffer, 0, sizeof(struct pm4_mes_set_resources)); 198 199 packet->header.u32All = pm_build_pm4_header(IT_SET_RESOURCES, 200 sizeof(struct pm4_mes_set_resources)); 201 202 packet->bitfields2.queue_type = 203 queue_type__mes_set_resources__hsa_interface_queue_hiq; 204 packet->bitfields2.vmid_mask = res->vmid_mask; 205 packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY_MS / 100; 206 if (pm->dqm->dev->adev->gmc.xnack_flags & AMDGPU_GMC_XNACK_FLAG_CHAIN) 207 packet->bitfields2.enb_xnack_retry_disable_check = 1; 208 packet->bitfields7.oac_mask = res->oac_mask; 209 packet->bitfields8.gds_heap_base = res->gds_heap_base; 210 packet->bitfields8.gds_heap_size = res->gds_heap_size; 211 212 packet->gws_mask_lo = lower_32_bits(res->gws_mask); 213 packet->gws_mask_hi = upper_32_bits(res->gws_mask); 214 215 packet->queue_mask_lo = lower_32_bits(res->queue_mask); 216 packet->queue_mask_hi = upper_32_bits(res->queue_mask); 217 218 return 0; 219 } 220 221 static inline bool pm_use_ext_eng(struct kfd_dev *dev) 222 { 223 return amdgpu_ip_version(dev->adev, SDMA0_HWIP, 0) >= 224 IP_VERSION(5, 2, 0); 225 } 226 227 static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer, 228 struct queue *q, bool is_static) 229 { 230 struct pm4_mes_map_queues *packet; 231 232 packet = (struct pm4_mes_map_queues *)buffer; 233 memset(buffer, 0, sizeof(struct pm4_mes_map_queues)); 234 235 packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES, 236 sizeof(struct pm4_mes_map_queues)); 237 packet->bitfields2.num_queues = 1; 238 packet->bitfields2.queue_sel = 239 queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; 240 241 packet->bitfields2.engine_sel = 242 engine_sel__mes_map_queues__compute_vi; 243 packet->bitfields2.gws_control_queue = q->properties.is_gws ? 1 : 0; 244 packet->bitfields2.extended_engine_sel = 245 extended_engine_sel__mes_map_queues__legacy_engine_sel; 246 packet->bitfields2.queue_type = 247 queue_type__mes_map_queues__normal_compute_vi; 248 249 switch (q->properties.type) { 250 case KFD_QUEUE_TYPE_COMPUTE: 251 if (is_static) 252 packet->bitfields2.queue_type = 253 queue_type__mes_map_queues__normal_latency_static_queue_vi; 254 break; 255 case KFD_QUEUE_TYPE_SDMA: 256 case KFD_QUEUE_TYPE_SDMA_XGMI: 257 if (q->properties.sdma_engine_id < 2 && 258 !pm_use_ext_eng(q->device->kfd)) 259 packet->bitfields2.engine_sel = q->properties.sdma_engine_id + 260 engine_sel__mes_map_queues__sdma0_vi; 261 else { 262 /* 263 * For GFX9.4.3, SDMA engine id can be greater than 8. 264 * For such cases, set extended_engine_sel to 2 and 265 * ensure engine_sel lies between 0-7. 266 */ 267 if (q->properties.sdma_engine_id >= 8) 268 packet->bitfields2.extended_engine_sel = 269 extended_engine_sel__mes_map_queues__sdma8_to_15_sel; 270 else 271 packet->bitfields2.extended_engine_sel = 272 extended_engine_sel__mes_map_queues__sdma0_to_7_sel; 273 274 packet->bitfields2.engine_sel = q->properties.sdma_engine_id % 8; 275 } 276 break; 277 default: 278 WARN(1, "queue type %d", q->properties.type); 279 return -EINVAL; 280 } 281 packet->bitfields3.doorbell_offset = 282 q->properties.doorbell_off; 283 284 packet->mqd_addr_lo = 285 lower_32_bits(q->gart_mqd_addr); 286 287 packet->mqd_addr_hi = 288 upper_32_bits(q->gart_mqd_addr); 289 290 packet->wptr_addr_lo = 291 lower_32_bits((uint64_t)q->properties.write_ptr); 292 293 packet->wptr_addr_hi = 294 upper_32_bits((uint64_t)q->properties.write_ptr); 295 296 return 0; 297 } 298 299 static inline void pm_build_dequeue_wait_counts_packet_info(struct packet_manager *pm, 300 uint32_t sch_value, uint32_t que_sleep, uint32_t *reg_offset, 301 uint32_t *reg_data) 302 { 303 pm->dqm->dev->kfd2kgd->build_dequeue_wait_counts_packet_info( 304 pm->dqm->dev->adev, 305 pm->dqm->wait_times, 306 sch_value, 307 que_sleep, 308 reg_offset, 309 reg_data); 310 } 311 312 /* pm_config_dequeue_wait_counts_v9: Builds WRITE_DATA packet with 313 * register/value for configuring dequeue wait counts 314 * 315 * @return: -ve for failure and 0 for success and buffer is 316 * filled in with packet 317 * 318 **/ 319 static int pm_config_dequeue_wait_counts_v9(struct packet_manager *pm, 320 uint32_t *buffer, 321 enum kfd_config_dequeue_wait_counts_cmd cmd, 322 uint32_t value) 323 { 324 struct pm4_mec_write_data_mmio *packet; 325 uint32_t reg_offset = 0; 326 uint32_t reg_data = 0; 327 328 switch (cmd) { 329 case KFD_DEQUEUE_WAIT_INIT: { 330 uint32_t sch_wave = 0, que_sleep = 1; 331 332 /* For all gfx9 ASICs > gfx941, 333 * Reduce CP_IQ_WAIT_TIME2.QUE_SLEEP to 0x1 from default 0x40. 334 * On a 1GHz machine this is roughly 1 microsecond, which is 335 * about how long it takes to load data out of memory during 336 * queue connect 337 * QUE_SLEEP: Wait Count for Dequeue Retry. 338 * 339 * Set CWSR grace period to 1x1000 cycle for GFX9.4.3 APU 340 */ 341 if (KFD_GC_VERSION(pm->dqm->dev) < IP_VERSION(9, 4, 1) || 342 KFD_GC_VERSION(pm->dqm->dev) >= IP_VERSION(10, 0, 0)) 343 return -EPERM; 344 345 if (amdgpu_emu_mode == 0 && pm->dqm->dev->adev->gmc.is_app_apu && 346 (KFD_GC_VERSION(pm->dqm->dev) == IP_VERSION(9, 4, 3))) 347 sch_wave = 1; 348 349 pm_build_dequeue_wait_counts_packet_info(pm, sch_wave, que_sleep, 350 ®_offset, ®_data); 351 352 break; 353 } 354 case KFD_DEQUEUE_WAIT_RESET: 355 /* reg_data would be set to dqm->wait_times */ 356 pm_build_dequeue_wait_counts_packet_info(pm, 0, 0, ®_offset, ®_data); 357 break; 358 359 case KFD_DEQUEUE_WAIT_SET_SCH_WAVE: 360 /* The CP cannot handle value 0 and it will result in 361 * an infinite grace period being set so set to 1 to prevent this. Also 362 * avoid debugger API breakage as it sets 0 and expects a low value. 363 */ 364 if (!value) 365 value = 1; 366 pm_build_dequeue_wait_counts_packet_info(pm, value, 0, ®_offset, ®_data); 367 break; 368 default: 369 pr_err("Invalid dequeue wait cmd\n"); 370 return -EINVAL; 371 } 372 373 packet = (struct pm4_mec_write_data_mmio *)buffer; 374 memset(buffer, 0, sizeof(struct pm4_mec_write_data_mmio)); 375 376 packet->header.u32All = pm_build_pm4_header(IT_WRITE_DATA, 377 sizeof(struct pm4_mec_write_data_mmio)); 378 379 packet->bitfields2.dst_sel = dst_sel___write_data__mem_mapped_register; 380 packet->bitfields2.addr_incr = 381 addr_incr___write_data__do_not_increment_address; 382 383 packet->bitfields3.dst_mmreg_addr = reg_offset; 384 385 packet->data = reg_data; 386 387 return 0; 388 } 389 390 static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer, 391 enum kfd_unmap_queues_filter filter, 392 uint32_t filter_param, bool reset) 393 { 394 struct pm4_mes_unmap_queues *packet; 395 396 packet = (struct pm4_mes_unmap_queues *)buffer; 397 memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues)); 398 399 packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES, 400 sizeof(struct pm4_mes_unmap_queues)); 401 402 packet->bitfields2.extended_engine_sel = 403 pm_use_ext_eng(pm->dqm->dev->kfd) ? 404 extended_engine_sel__mes_unmap_queues__sdma0_to_7_sel : 405 extended_engine_sel__mes_unmap_queues__legacy_engine_sel; 406 407 packet->bitfields2.engine_sel = 408 engine_sel__mes_unmap_queues__compute; 409 410 if (reset) 411 packet->bitfields2.action = 412 action__mes_unmap_queues__reset_queues; 413 else 414 packet->bitfields2.action = 415 action__mes_unmap_queues__preempt_queues; 416 417 switch (filter) { 418 case KFD_UNMAP_QUEUES_FILTER_BY_PASID: 419 packet->bitfields2.queue_sel = 420 queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; 421 packet->bitfields3a.pasid = filter_param; 422 break; 423 case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: 424 packet->bitfields2.queue_sel = 425 queue_sel__mes_unmap_queues__unmap_all_queues; 426 break; 427 case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES: 428 /* in this case, we do not preempt static queues */ 429 packet->bitfields2.queue_sel = 430 queue_sel__mes_unmap_queues__unmap_all_non_static_queues; 431 break; 432 default: 433 WARN(1, "filter %d", filter); 434 return -EINVAL; 435 } 436 437 return 0; 438 439 } 440 441 static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer, 442 uint64_t fence_address, uint64_t fence_value) 443 { 444 struct pm4_mes_query_status *packet; 445 446 packet = (struct pm4_mes_query_status *)buffer; 447 memset(buffer, 0, sizeof(struct pm4_mes_query_status)); 448 449 450 packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS, 451 sizeof(struct pm4_mes_query_status)); 452 453 packet->bitfields2.context_id = 0; 454 packet->bitfields2.interrupt_sel = 455 interrupt_sel__mes_query_status__completion_status; 456 packet->bitfields2.command = 457 command__mes_query_status__fence_only_after_write_ack; 458 459 packet->addr_hi = upper_32_bits((uint64_t)fence_address); 460 packet->addr_lo = lower_32_bits((uint64_t)fence_address); 461 packet->data_hi = upper_32_bits((uint64_t)fence_value); 462 packet->data_lo = lower_32_bits((uint64_t)fence_value); 463 464 return 0; 465 } 466 467 const struct packet_manager_funcs kfd_v9_pm_funcs = { 468 .map_process = pm_map_process_v9, 469 .runlist = pm_runlist_v9, 470 .set_resources = pm_set_resources_v9, 471 .map_queues = pm_map_queues_v9, 472 .unmap_queues = pm_unmap_queues_v9, 473 .config_dequeue_wait_counts = pm_config_dequeue_wait_counts_v9, 474 .query_status = pm_query_status_v9, 475 .release_mem = NULL, 476 .map_process_size = sizeof(struct pm4_mes_map_process), 477 .runlist_size = sizeof(struct pm4_mes_runlist), 478 .set_resources_size = sizeof(struct pm4_mes_set_resources), 479 .map_queues_size = sizeof(struct pm4_mes_map_queues), 480 .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), 481 .config_dequeue_wait_counts_size = sizeof(struct pm4_mec_write_data_mmio), 482 .query_status_size = sizeof(struct pm4_mes_query_status), 483 .release_mem_size = 0, 484 }; 485 486 const struct packet_manager_funcs kfd_aldebaran_pm_funcs = { 487 .map_process = pm_map_process_aldebaran, 488 .runlist = pm_runlist_v9, 489 .set_resources = pm_set_resources_v9, 490 .map_queues = pm_map_queues_v9, 491 .unmap_queues = pm_unmap_queues_v9, 492 .config_dequeue_wait_counts = pm_config_dequeue_wait_counts_v9, 493 .query_status = pm_query_status_v9, 494 .release_mem = NULL, 495 .map_process_size = sizeof(struct pm4_mes_map_process_aldebaran), 496 .runlist_size = sizeof(struct pm4_mes_runlist), 497 .set_resources_size = sizeof(struct pm4_mes_set_resources), 498 .map_queues_size = sizeof(struct pm4_mes_map_queues), 499 .unmap_queues_size = sizeof(struct pm4_mes_unmap_queues), 500 .config_dequeue_wait_counts_size = sizeof(struct pm4_mec_write_data_mmio), 501 .query_status_size = sizeof(struct pm4_mes_query_status), 502 .release_mem_size = 0, 503 }; 504