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 24#include <linux/slab.h> 25#include <linux/mutex.h> 26#include "kfd_device_queue_manager.h" 27#include "kfd_kernel_queue.h" 28#include "kfd_priv.h" 29#include "kfd_pm4_headers.h" 30#include "kfd_pm4_headers_vi.h" 31#include "kfd_pm4_opcodes.h" 32 33static inline void inc_wptr(unsigned int *wptr, unsigned int increment_bytes, 34 unsigned int buffer_size_bytes) 35{ 36 unsigned int temp = *wptr + increment_bytes / sizeof(uint32_t); 37 38 BUG_ON((temp * sizeof(uint32_t)) > buffer_size_bytes); 39 *wptr = temp; 40} 41 42static unsigned int build_pm4_header(unsigned int opcode, size_t packet_size) 43{ 44 union PM4_MES_TYPE_3_HEADER header; 45 46 header.u32all = 0; 47 header.opcode = opcode; 48 header.count = packet_size/sizeof(uint32_t) - 2; 49 header.type = PM4_TYPE_3; 50 51 return header.u32all; 52} 53 54static void pm_calc_rlib_size(struct packet_manager *pm, 55 unsigned int *rlib_size, 56 bool *over_subscription) 57{ 58 unsigned int process_count, queue_count; 59 unsigned int map_queue_size; 60 61 BUG_ON(!pm || !rlib_size || !over_subscription); 62 63 process_count = pm->dqm->processes_count; 64 queue_count = pm->dqm->queue_count; 65 66 /* check if there is over subscription*/ 67 *over_subscription = false; 68 if ((process_count > 1) || 69 queue_count > PIPE_PER_ME_CP_SCHEDULING * QUEUES_PER_PIPE) { 70 *over_subscription = true; 71 pr_debug("kfd: over subscribed runlist\n"); 72 } 73 74 map_queue_size = 75 (pm->dqm->dev->device_info->asic_family == CHIP_CARRIZO) ? 76 sizeof(struct pm4_mes_map_queues) : 77 sizeof(struct pm4_map_queues); 78 /* calculate run list ib allocation size */ 79 *rlib_size = process_count * sizeof(struct pm4_map_process) + 80 queue_count * map_queue_size; 81 82 /* 83 * Increase the allocation size in case we need a chained run list 84 * when over subscription 85 */ 86 if (*over_subscription) 87 *rlib_size += sizeof(struct pm4_runlist); 88 89 pr_debug("kfd: runlist ib size %d\n", *rlib_size); 90} 91 92static int pm_allocate_runlist_ib(struct packet_manager *pm, 93 unsigned int **rl_buffer, 94 uint64_t *rl_gpu_buffer, 95 unsigned int *rl_buffer_size, 96 bool *is_over_subscription) 97{ 98 int retval; 99 100 BUG_ON(!pm); 101 BUG_ON(pm->allocated == true); 102 BUG_ON(is_over_subscription == NULL); 103 104 pm_calc_rlib_size(pm, rl_buffer_size, is_over_subscription); 105 106 retval = kfd_gtt_sa_allocate(pm->dqm->dev, *rl_buffer_size, 107 &pm->ib_buffer_obj); 108 109 if (retval != 0) { 110 pr_err("kfd: failed to allocate runlist IB\n"); 111 return retval; 112 } 113 114 *(void **)rl_buffer = pm->ib_buffer_obj->cpu_ptr; 115 *rl_gpu_buffer = pm->ib_buffer_obj->gpu_addr; 116 117 memset(*rl_buffer, 0, *rl_buffer_size); 118 pm->allocated = true; 119 return retval; 120} 121 122static int pm_create_runlist(struct packet_manager *pm, uint32_t *buffer, 123 uint64_t ib, size_t ib_size_in_dwords, bool chain) 124{ 125 struct pm4_runlist *packet; 126 127 BUG_ON(!pm || !buffer || !ib); 128 129 packet = (struct pm4_runlist *)buffer; 130 131 memset(buffer, 0, sizeof(struct pm4_runlist)); 132 packet->header.u32all = build_pm4_header(IT_RUN_LIST, 133 sizeof(struct pm4_runlist)); 134 135 packet->bitfields4.ib_size = ib_size_in_dwords; 136 packet->bitfields4.chain = chain ? 1 : 0; 137 packet->bitfields4.offload_polling = 0; 138 packet->bitfields4.valid = 1; 139 packet->ordinal2 = lower_32_bits(ib); 140 packet->bitfields3.ib_base_hi = upper_32_bits(ib); 141 142 return 0; 143} 144 145static int pm_create_map_process(struct packet_manager *pm, uint32_t *buffer, 146 struct qcm_process_device *qpd) 147{ 148 struct pm4_map_process *packet; 149 struct queue *cur; 150 uint32_t num_queues; 151 152 BUG_ON(!pm || !buffer || !qpd); 153 154 packet = (struct pm4_map_process *)buffer; 155 156 pr_debug("kfd: In func %s\n", __func__); 157 158 memset(buffer, 0, sizeof(struct pm4_map_process)); 159 160 packet->header.u32all = build_pm4_header(IT_MAP_PROCESS, 161 sizeof(struct pm4_map_process)); 162 packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0; 163 packet->bitfields2.process_quantum = 1; 164 packet->bitfields2.pasid = qpd->pqm->process->pasid; 165 packet->bitfields3.page_table_base = qpd->page_table_base; 166 packet->bitfields10.gds_size = qpd->gds_size; 167 packet->bitfields10.num_gws = qpd->num_gws; 168 packet->bitfields10.num_oac = qpd->num_oac; 169 num_queues = 0; 170 list_for_each_entry(cur, &qpd->queues_list, list) 171 num_queues++; 172 packet->bitfields10.num_queues = (qpd->is_debug) ? 0 : num_queues; 173 174 packet->sh_mem_config = qpd->sh_mem_config; 175 packet->sh_mem_bases = qpd->sh_mem_bases; 176 packet->sh_mem_ape1_base = qpd->sh_mem_ape1_base; 177 packet->sh_mem_ape1_limit = qpd->sh_mem_ape1_limit; 178 179 packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area); 180 packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area); 181 182 return 0; 183} 184 185static int pm_create_map_queue_vi(struct packet_manager *pm, uint32_t *buffer, 186 struct queue *q, bool is_static) 187{ 188 struct pm4_mes_map_queues *packet; 189 bool use_static = is_static; 190 191 BUG_ON(!pm || !buffer || !q); 192 193 pr_debug("kfd: In func %s\n", __func__); 194 195 packet = (struct pm4_mes_map_queues *)buffer; 196 memset(buffer, 0, sizeof(struct pm4_map_queues)); 197 198 packet->header.u32all = build_pm4_header(IT_MAP_QUEUES, 199 sizeof(struct pm4_map_queues)); 200 packet->bitfields2.alloc_format = 201 alloc_format__mes_map_queues__one_per_pipe_vi; 202 packet->bitfields2.num_queues = 1; 203 packet->bitfields2.queue_sel = 204 queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi; 205 206 packet->bitfields2.engine_sel = 207 engine_sel__mes_map_queues__compute_vi; 208 packet->bitfields2.queue_type = 209 queue_type__mes_map_queues__normal_compute_vi; 210 211 switch (q->properties.type) { 212 case KFD_QUEUE_TYPE_COMPUTE: 213 if (use_static) 214 packet->bitfields2.queue_type = 215 queue_type__mes_map_queues__normal_latency_static_queue_vi; 216 break; 217 case KFD_QUEUE_TYPE_DIQ: 218 packet->bitfields2.queue_type = 219 queue_type__mes_map_queues__debug_interface_queue_vi; 220 break; 221 case KFD_QUEUE_TYPE_SDMA: 222 packet->bitfields2.engine_sel = 223 engine_sel__mes_map_queues__sdma0_vi; 224 use_static = false; /* no static queues under SDMA */ 225 break; 226 default: 227 pr_err("kfd: in %s queue type %d\n", __func__, 228 q->properties.type); 229 BUG(); 230 break; 231 } 232 packet->bitfields3.doorbell_offset = 233 q->properties.doorbell_off; 234 235 packet->mqd_addr_lo = 236 lower_32_bits(q->gart_mqd_addr); 237 238 packet->mqd_addr_hi = 239 upper_32_bits(q->gart_mqd_addr); 240 241 packet->wptr_addr_lo = 242 lower_32_bits((uint64_t)q->properties.write_ptr); 243 244 packet->wptr_addr_hi = 245 upper_32_bits((uint64_t)q->properties.write_ptr); 246 247 return 0; 248} 249 250static int pm_create_map_queue(struct packet_manager *pm, uint32_t *buffer, 251 struct queue *q, bool is_static) 252{ 253 struct pm4_map_queues *packet; 254 bool use_static = is_static; 255 256 BUG_ON(!pm || !buffer || !q); 257 258 pr_debug("kfd: In func %s\n", __func__); 259 260 packet = (struct pm4_map_queues *)buffer; 261 memset(buffer, 0, sizeof(struct pm4_map_queues)); 262 263 packet->header.u32all = build_pm4_header(IT_MAP_QUEUES, 264 sizeof(struct pm4_map_queues)); 265 packet->bitfields2.alloc_format = 266 alloc_format__mes_map_queues__one_per_pipe; 267 packet->bitfields2.num_queues = 1; 268 packet->bitfields2.queue_sel = 269 queue_sel__mes_map_queues__map_to_hws_determined_queue_slots; 270 271 packet->bitfields2.vidmem = (q->properties.is_interop) ? 272 vidmem__mes_map_queues__uses_video_memory : 273 vidmem__mes_map_queues__uses_no_video_memory; 274 275 switch (q->properties.type) { 276 case KFD_QUEUE_TYPE_COMPUTE: 277 case KFD_QUEUE_TYPE_DIQ: 278 packet->bitfields2.engine_sel = 279 engine_sel__mes_map_queues__compute; 280 break; 281 case KFD_QUEUE_TYPE_SDMA: 282 packet->bitfields2.engine_sel = 283 engine_sel__mes_map_queues__sdma0; 284 use_static = false; /* no static queues under SDMA */ 285 break; 286 default: 287 BUG(); 288 break; 289 } 290 291 packet->mes_map_queues_ordinals[0].bitfields3.doorbell_offset = 292 q->properties.doorbell_off; 293 294 packet->mes_map_queues_ordinals[0].bitfields3.is_static = 295 (use_static == true) ? 1 : 0; 296 297 packet->mes_map_queues_ordinals[0].mqd_addr_lo = 298 lower_32_bits(q->gart_mqd_addr); 299 300 packet->mes_map_queues_ordinals[0].mqd_addr_hi = 301 upper_32_bits(q->gart_mqd_addr); 302 303 packet->mes_map_queues_ordinals[0].wptr_addr_lo = 304 lower_32_bits((uint64_t)q->properties.write_ptr); 305 306 packet->mes_map_queues_ordinals[0].wptr_addr_hi = 307 upper_32_bits((uint64_t)q->properties.write_ptr); 308 309 return 0; 310} 311 312static int pm_create_runlist_ib(struct packet_manager *pm, 313 struct list_head *queues, 314 uint64_t *rl_gpu_addr, 315 size_t *rl_size_bytes) 316{ 317 unsigned int alloc_size_bytes; 318 unsigned int *rl_buffer, rl_wptr, i; 319 int retval, proccesses_mapped; 320 struct device_process_node *cur; 321 struct qcm_process_device *qpd; 322 struct queue *q; 323 struct kernel_queue *kq; 324 bool is_over_subscription; 325 326 BUG_ON(!pm || !queues || !rl_size_bytes || !rl_gpu_addr); 327 328 rl_wptr = retval = proccesses_mapped = 0; 329 330 retval = pm_allocate_runlist_ib(pm, &rl_buffer, rl_gpu_addr, 331 &alloc_size_bytes, &is_over_subscription); 332 if (retval != 0) 333 return retval; 334 335 *rl_size_bytes = alloc_size_bytes; 336 337 pr_debug("kfd: In func %s\n", __func__); 338 pr_debug("kfd: building runlist ib process count: %d queues count %d\n", 339 pm->dqm->processes_count, pm->dqm->queue_count); 340 341 /* build the run list ib packet */ 342 list_for_each_entry(cur, queues, list) { 343 qpd = cur->qpd; 344 /* build map process packet */ 345 if (proccesses_mapped >= pm->dqm->processes_count) { 346 pr_debug("kfd: not enough space left in runlist IB\n"); 347 pm_release_ib(pm); 348 return -ENOMEM; 349 } 350 351 retval = pm_create_map_process(pm, &rl_buffer[rl_wptr], qpd); 352 if (retval != 0) 353 return retval; 354 355 proccesses_mapped++; 356 inc_wptr(&rl_wptr, sizeof(struct pm4_map_process), 357 alloc_size_bytes); 358 359 list_for_each_entry(kq, &qpd->priv_queue_list, list) { 360 if (kq->queue->properties.is_active != true) 361 continue; 362 363 pr_debug("kfd: static_queue, mapping kernel q %d, is debug status %d\n", 364 kq->queue->queue, qpd->is_debug); 365 366 if (pm->dqm->dev->device_info->asic_family == 367 CHIP_CARRIZO) 368 retval = pm_create_map_queue_vi(pm, 369 &rl_buffer[rl_wptr], 370 kq->queue, 371 qpd->is_debug); 372 else 373 retval = pm_create_map_queue(pm, 374 &rl_buffer[rl_wptr], 375 kq->queue, 376 qpd->is_debug); 377 if (retval != 0) 378 return retval; 379 380 inc_wptr(&rl_wptr, 381 sizeof(struct pm4_map_queues), 382 alloc_size_bytes); 383 } 384 385 list_for_each_entry(q, &qpd->queues_list, list) { 386 if (q->properties.is_active != true) 387 continue; 388 389 pr_debug("kfd: static_queue, mapping user queue %d, is debug status %d\n", 390 q->queue, qpd->is_debug); 391 392 if (pm->dqm->dev->device_info->asic_family == 393 CHIP_CARRIZO) 394 retval = pm_create_map_queue_vi(pm, 395 &rl_buffer[rl_wptr], 396 q, 397 qpd->is_debug); 398 else 399 retval = pm_create_map_queue(pm, 400 &rl_buffer[rl_wptr], 401 q, 402 qpd->is_debug); 403 404 if (retval != 0) 405 return retval; 406 407 inc_wptr(&rl_wptr, 408 sizeof(struct pm4_map_queues), 409 alloc_size_bytes); 410 } 411 } 412 413 pr_debug("kfd: finished map process and queues to runlist\n"); 414 415 if (is_over_subscription) 416 pm_create_runlist(pm, &rl_buffer[rl_wptr], *rl_gpu_addr, 417 alloc_size_bytes / sizeof(uint32_t), true); 418 419 for (i = 0; i < alloc_size_bytes / sizeof(uint32_t); i++) 420 pr_debug("0x%2X ", rl_buffer[i]); 421 pr_debug("\n"); 422 423 return 0; 424} 425 426int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm) 427{ 428 BUG_ON(!dqm); 429 430 pm->dqm = dqm; 431 mutex_init(&pm->lock); 432 pm->priv_queue = kernel_queue_init(dqm->dev, KFD_QUEUE_TYPE_HIQ); 433 if (pm->priv_queue == NULL) { 434 mutex_destroy(&pm->lock); 435 return -ENOMEM; 436 } 437 pm->allocated = false; 438 439 return 0; 440} 441 442void pm_uninit(struct packet_manager *pm) 443{ 444 BUG_ON(!pm); 445 446 mutex_destroy(&pm->lock); 447 kernel_queue_uninit(pm->priv_queue); 448} 449 450int pm_send_set_resources(struct packet_manager *pm, 451 struct scheduling_resources *res) 452{ 453 struct pm4_set_resources *packet; 454 455 BUG_ON(!pm || !res); 456 457 pr_debug("kfd: In func %s\n", __func__); 458 459 mutex_lock(&pm->lock); 460 pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, 461 sizeof(*packet) / sizeof(uint32_t), 462 (unsigned int **)&packet); 463 if (packet == NULL) { 464 mutex_unlock(&pm->lock); 465 pr_err("kfd: failed to allocate buffer on kernel queue\n"); 466 return -ENOMEM; 467 } 468 469 memset(packet, 0, sizeof(struct pm4_set_resources)); 470 packet->header.u32all = build_pm4_header(IT_SET_RESOURCES, 471 sizeof(struct pm4_set_resources)); 472 473 packet->bitfields2.queue_type = 474 queue_type__mes_set_resources__hsa_interface_queue_hiq; 475 packet->bitfields2.vmid_mask = res->vmid_mask; 476 packet->bitfields2.unmap_latency = KFD_UNMAP_LATENCY; 477 packet->bitfields7.oac_mask = res->oac_mask; 478 packet->bitfields8.gds_heap_base = res->gds_heap_base; 479 packet->bitfields8.gds_heap_size = res->gds_heap_size; 480 481 packet->gws_mask_lo = lower_32_bits(res->gws_mask); 482 packet->gws_mask_hi = upper_32_bits(res->gws_mask); 483 484 packet->queue_mask_lo = lower_32_bits(res->queue_mask); 485 packet->queue_mask_hi = upper_32_bits(res->queue_mask); 486 487 pm->priv_queue->ops.submit_packet(pm->priv_queue); 488 489 mutex_unlock(&pm->lock); 490 491 return 0; 492} 493 494int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues) 495{ 496 uint64_t rl_gpu_ib_addr; 497 uint32_t *rl_buffer; 498 size_t rl_ib_size, packet_size_dwords; 499 int retval; 500 501 BUG_ON(!pm || !dqm_queues); 502 503 retval = pm_create_runlist_ib(pm, dqm_queues, &rl_gpu_ib_addr, 504 &rl_ib_size); 505 if (retval != 0) 506 goto fail_create_runlist_ib; 507 508 pr_debug("kfd: runlist IB address: 0x%llX\n", rl_gpu_ib_addr); 509 510 packet_size_dwords = sizeof(struct pm4_runlist) / sizeof(uint32_t); 511 mutex_lock(&pm->lock); 512 513 retval = pm->priv_queue->ops.acquire_packet_buffer(pm->priv_queue, 514 packet_size_dwords, &rl_buffer); 515 if (retval != 0) 516 goto fail_acquire_packet_buffer; 517 518 retval = pm_create_runlist(pm, rl_buffer, rl_gpu_ib_addr, 519 rl_ib_size / sizeof(uint32_t), false); 520 if (retval != 0) 521 goto fail_create_runlist; 522 523 pm->priv_queue->ops.submit_packet(pm->priv_queue); 524 525 mutex_unlock(&pm->lock); 526 527 return retval; 528 529fail_create_runlist: 530 pm->priv_queue->ops.rollback_packet(pm->priv_queue); 531fail_acquire_packet_buffer: 532 mutex_unlock(&pm->lock); 533fail_create_runlist_ib: 534 if (pm->allocated == true) 535 pm_release_ib(pm); 536 return retval; 537} 538 539int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, 540 uint32_t fence_value) 541{ 542 int retval; 543 struct pm4_query_status *packet; 544 545 BUG_ON(!pm || !fence_address); 546 547 mutex_lock(&pm->lock); 548 retval = pm->priv_queue->ops.acquire_packet_buffer( 549 pm->priv_queue, 550 sizeof(struct pm4_query_status) / sizeof(uint32_t), 551 (unsigned int **)&packet); 552 if (retval != 0) 553 goto fail_acquire_packet_buffer; 554 555 packet->header.u32all = build_pm4_header(IT_QUERY_STATUS, 556 sizeof(struct pm4_query_status)); 557 558 packet->bitfields2.context_id = 0; 559 packet->bitfields2.interrupt_sel = 560 interrupt_sel__mes_query_status__completion_status; 561 packet->bitfields2.command = 562 command__mes_query_status__fence_only_after_write_ack; 563 564 packet->addr_hi = upper_32_bits((uint64_t)fence_address); 565 packet->addr_lo = lower_32_bits((uint64_t)fence_address); 566 packet->data_hi = upper_32_bits((uint64_t)fence_value); 567 packet->data_lo = lower_32_bits((uint64_t)fence_value); 568 569 pm->priv_queue->ops.submit_packet(pm->priv_queue); 570 mutex_unlock(&pm->lock); 571 572 return 0; 573 574fail_acquire_packet_buffer: 575 mutex_unlock(&pm->lock); 576 return retval; 577} 578 579int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, 580 enum kfd_preempt_type_filter mode, 581 uint32_t filter_param, bool reset, 582 unsigned int sdma_engine) 583{ 584 int retval; 585 uint32_t *buffer; 586 struct pm4_unmap_queues *packet; 587 588 BUG_ON(!pm); 589 590 mutex_lock(&pm->lock); 591 retval = pm->priv_queue->ops.acquire_packet_buffer( 592 pm->priv_queue, 593 sizeof(struct pm4_unmap_queues) / sizeof(uint32_t), 594 &buffer); 595 if (retval != 0) 596 goto err_acquire_packet_buffer; 597 598 packet = (struct pm4_unmap_queues *)buffer; 599 memset(buffer, 0, sizeof(struct pm4_unmap_queues)); 600 pr_debug("kfd: static_queue: unmapping queues: mode is %d , reset is %d , type is %d\n", 601 mode, reset, type); 602 packet->header.u32all = build_pm4_header(IT_UNMAP_QUEUES, 603 sizeof(struct pm4_unmap_queues)); 604 switch (type) { 605 case KFD_QUEUE_TYPE_COMPUTE: 606 case KFD_QUEUE_TYPE_DIQ: 607 packet->bitfields2.engine_sel = 608 engine_sel__mes_unmap_queues__compute; 609 break; 610 case KFD_QUEUE_TYPE_SDMA: 611 packet->bitfields2.engine_sel = 612 engine_sel__mes_unmap_queues__sdma0 + sdma_engine; 613 break; 614 default: 615 BUG(); 616 break; 617 } 618 619 if (reset) 620 packet->bitfields2.action = 621 action__mes_unmap_queues__reset_queues; 622 else 623 packet->bitfields2.action = 624 action__mes_unmap_queues__preempt_queues; 625 626 switch (mode) { 627 case KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: 628 packet->bitfields2.queue_sel = 629 queue_sel__mes_unmap_queues__perform_request_on_specified_queues; 630 packet->bitfields2.num_queues = 1; 631 packet->bitfields3b.doorbell_offset0 = filter_param; 632 break; 633 case KFD_PREEMPT_TYPE_FILTER_BY_PASID: 634 packet->bitfields2.queue_sel = 635 queue_sel__mes_unmap_queues__perform_request_on_pasid_queues; 636 packet->bitfields3a.pasid = filter_param; 637 break; 638 case KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES: 639 packet->bitfields2.queue_sel = 640 queue_sel__mes_unmap_queues__perform_request_on_all_active_queues; 641 break; 642 case KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES: 643 /* in this case, we do not preempt static queues */ 644 packet->bitfields2.queue_sel = 645 queue_sel__mes_unmap_queues__perform_request_on_dynamic_queues_only; 646 break; 647 default: 648 BUG(); 649 break; 650 }; 651 652 pm->priv_queue->ops.submit_packet(pm->priv_queue); 653 654 mutex_unlock(&pm->lock); 655 return 0; 656 657err_acquire_packet_buffer: 658 mutex_unlock(&pm->lock); 659 return retval; 660} 661 662void pm_release_ib(struct packet_manager *pm) 663{ 664 BUG_ON(!pm); 665 666 mutex_lock(&pm->lock); 667 if (pm->allocated) { 668 kfd_gtt_sa_free(pm->dqm->dev, pm->ib_buffer_obj); 669 pm->allocated = false; 670 } 671 mutex_unlock(&pm->lock); 672} 673