1 /* 2 * Copyright 2014 Advanced Micro Devices, Inc. 3 * All Rights Reserved. 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 #ifdef HAVE_CONFIG_H 26 #include "config.h" 27 #endif 28 29 #include <stdlib.h> 30 #include <stdio.h> 31 #include <stdint.h> 32 #include <string.h> 33 #include <errno.h> 34 #include <fcntl.h> 35 #include <unistd.h> 36 #include <sys/ioctl.h> 37 #include <sys/mman.h> 38 #include <sys/time.h> 39 40 #include "libdrm_macros.h" 41 #include "xf86drm.h" 42 #include "amdgpu_drm.h" 43 #include "amdgpu_internal.h" 44 #include "util_hash_table.h" 45 #include "util_math.h" 46 47 static void amdgpu_close_kms_handle(amdgpu_device_handle dev, 48 uint32_t handle) 49 { 50 struct drm_gem_close args = {}; 51 52 args.handle = handle; 53 drmIoctl(dev->fd, DRM_IOCTL_GEM_CLOSE, &args); 54 } 55 56 drm_private void amdgpu_bo_free_internal(amdgpu_bo_handle bo) 57 { 58 /* Remove the buffer from the hash tables. */ 59 pthread_mutex_lock(&bo->dev->bo_table_mutex); 60 util_hash_table_remove(bo->dev->bo_handles, 61 (void*)(uintptr_t)bo->handle); 62 if (bo->flink_name) { 63 util_hash_table_remove(bo->dev->bo_flink_names, 64 (void*)(uintptr_t)bo->flink_name); 65 } 66 pthread_mutex_unlock(&bo->dev->bo_table_mutex); 67 68 /* Release CPU access. */ 69 if (bo->cpu_map_count > 0) { 70 bo->cpu_map_count = 1; 71 amdgpu_bo_cpu_unmap(bo); 72 } 73 74 amdgpu_close_kms_handle(bo->dev, bo->handle); 75 pthread_mutex_destroy(&bo->cpu_access_mutex); 76 free(bo); 77 } 78 79 int amdgpu_bo_alloc(amdgpu_device_handle dev, 80 struct amdgpu_bo_alloc_request *alloc_buffer, 81 amdgpu_bo_handle *buf_handle) 82 { 83 struct amdgpu_bo *bo; 84 union drm_amdgpu_gem_create args; 85 unsigned heap = alloc_buffer->preferred_heap; 86 int r = 0; 87 88 /* It's an error if the heap is not specified */ 89 if (!(heap & (AMDGPU_GEM_DOMAIN_GTT | AMDGPU_GEM_DOMAIN_VRAM))) 90 return -EINVAL; 91 92 bo = calloc(1, sizeof(struct amdgpu_bo)); 93 if (!bo) 94 return -ENOMEM; 95 96 atomic_set(&bo->refcount, 1); 97 bo->dev = dev; 98 bo->alloc_size = alloc_buffer->alloc_size; 99 100 memset(&args, 0, sizeof(args)); 101 args.in.bo_size = alloc_buffer->alloc_size; 102 args.in.alignment = alloc_buffer->phys_alignment; 103 104 /* Set the placement. */ 105 args.in.domains = heap; 106 args.in.domain_flags = alloc_buffer->flags; 107 108 /* Allocate the buffer with the preferred heap. */ 109 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_CREATE, 110 &args, sizeof(args)); 111 if (r) { 112 free(bo); 113 return r; 114 } 115 116 bo->handle = args.out.handle; 117 118 pthread_mutex_init(&bo->cpu_access_mutex, NULL); 119 120 *buf_handle = bo; 121 return 0; 122 } 123 124 int amdgpu_bo_set_metadata(amdgpu_bo_handle bo, 125 struct amdgpu_bo_metadata *info) 126 { 127 struct drm_amdgpu_gem_metadata args = {}; 128 129 args.handle = bo->handle; 130 args.op = AMDGPU_GEM_METADATA_OP_SET_METADATA; 131 args.data.flags = info->flags; 132 args.data.tiling_info = info->tiling_info; 133 134 if (info->size_metadata > sizeof(args.data.data)) 135 return -EINVAL; 136 137 if (info->size_metadata) { 138 args.data.data_size_bytes = info->size_metadata; 139 memcpy(args.data.data, info->umd_metadata, info->size_metadata); 140 } 141 142 return drmCommandWriteRead(bo->dev->fd, 143 DRM_AMDGPU_GEM_METADATA, 144 &args, sizeof(args)); 145 } 146 147 int amdgpu_bo_query_info(amdgpu_bo_handle bo, 148 struct amdgpu_bo_info *info) 149 { 150 struct drm_amdgpu_gem_metadata metadata = {}; 151 struct drm_amdgpu_gem_create_in bo_info = {}; 152 struct drm_amdgpu_gem_op gem_op = {}; 153 int r; 154 155 /* Validate the BO passed in */ 156 if (!bo->handle) 157 return -EINVAL; 158 159 /* Query metadata. */ 160 metadata.handle = bo->handle; 161 metadata.op = AMDGPU_GEM_METADATA_OP_GET_METADATA; 162 163 r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_METADATA, 164 &metadata, sizeof(metadata)); 165 if (r) 166 return r; 167 168 if (metadata.data.data_size_bytes > 169 sizeof(info->metadata.umd_metadata)) 170 return -EINVAL; 171 172 /* Query buffer info. */ 173 gem_op.handle = bo->handle; 174 gem_op.op = AMDGPU_GEM_OP_GET_GEM_CREATE_INFO; 175 gem_op.value = (uintptr_t)&bo_info; 176 177 r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_OP, 178 &gem_op, sizeof(gem_op)); 179 if (r) 180 return r; 181 182 memset(info, 0, sizeof(*info)); 183 info->alloc_size = bo_info.bo_size; 184 info->phys_alignment = bo_info.alignment; 185 info->preferred_heap = bo_info.domains; 186 info->alloc_flags = bo_info.domain_flags; 187 info->metadata.flags = metadata.data.flags; 188 info->metadata.tiling_info = metadata.data.tiling_info; 189 190 info->metadata.size_metadata = metadata.data.data_size_bytes; 191 if (metadata.data.data_size_bytes > 0) 192 memcpy(info->metadata.umd_metadata, metadata.data.data, 193 metadata.data.data_size_bytes); 194 195 return 0; 196 } 197 198 static void amdgpu_add_handle_to_table(amdgpu_bo_handle bo) 199 { 200 pthread_mutex_lock(&bo->dev->bo_table_mutex); 201 util_hash_table_set(bo->dev->bo_handles, 202 (void*)(uintptr_t)bo->handle, bo); 203 pthread_mutex_unlock(&bo->dev->bo_table_mutex); 204 } 205 206 static int amdgpu_bo_export_flink(amdgpu_bo_handle bo) 207 { 208 struct drm_gem_flink flink; 209 int fd, dma_fd; 210 uint32_t handle; 211 int r; 212 213 fd = bo->dev->fd; 214 handle = bo->handle; 215 if (bo->flink_name) 216 return 0; 217 218 219 if (bo->dev->flink_fd != bo->dev->fd) { 220 r = drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC, 221 &dma_fd); 222 if (!r) { 223 r = drmPrimeFDToHandle(bo->dev->flink_fd, dma_fd, &handle); 224 close(dma_fd); 225 } 226 if (r) 227 return r; 228 fd = bo->dev->flink_fd; 229 } 230 memset(&flink, 0, sizeof(flink)); 231 flink.handle = handle; 232 233 r = drmIoctl(fd, DRM_IOCTL_GEM_FLINK, &flink); 234 if (r) 235 return r; 236 237 bo->flink_name = flink.name; 238 239 if (bo->dev->flink_fd != bo->dev->fd) { 240 struct drm_gem_close args = {}; 241 args.handle = handle; 242 drmIoctl(bo->dev->flink_fd, DRM_IOCTL_GEM_CLOSE, &args); 243 } 244 245 pthread_mutex_lock(&bo->dev->bo_table_mutex); 246 util_hash_table_set(bo->dev->bo_flink_names, 247 (void*)(uintptr_t)bo->flink_name, 248 bo); 249 pthread_mutex_unlock(&bo->dev->bo_table_mutex); 250 251 return 0; 252 } 253 254 int amdgpu_bo_export(amdgpu_bo_handle bo, 255 enum amdgpu_bo_handle_type type, 256 uint32_t *shared_handle) 257 { 258 int r; 259 260 switch (type) { 261 case amdgpu_bo_handle_type_gem_flink_name: 262 r = amdgpu_bo_export_flink(bo); 263 if (r) 264 return r; 265 266 *shared_handle = bo->flink_name; 267 return 0; 268 269 case amdgpu_bo_handle_type_kms: 270 amdgpu_add_handle_to_table(bo); 271 *shared_handle = bo->handle; 272 return 0; 273 274 case amdgpu_bo_handle_type_dma_buf_fd: 275 amdgpu_add_handle_to_table(bo); 276 return drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC, 277 (int*)shared_handle); 278 } 279 return -EINVAL; 280 } 281 282 int amdgpu_bo_import(amdgpu_device_handle dev, 283 enum amdgpu_bo_handle_type type, 284 uint32_t shared_handle, 285 struct amdgpu_bo_import_result *output) 286 { 287 struct drm_gem_open open_arg = {}; 288 struct amdgpu_bo *bo = NULL; 289 int r; 290 int dma_fd; 291 uint64_t dma_buf_size = 0; 292 293 /* We must maintain a list of pairs <handle, bo>, so that we always 294 * return the same amdgpu_bo instance for the same handle. */ 295 pthread_mutex_lock(&dev->bo_table_mutex); 296 297 /* Convert a DMA buf handle to a KMS handle now. */ 298 if (type == amdgpu_bo_handle_type_dma_buf_fd) { 299 uint32_t handle; 300 off_t size; 301 302 /* Get a KMS handle. */ 303 r = drmPrimeFDToHandle(dev->fd, shared_handle, &handle); 304 if (r) { 305 return r; 306 } 307 308 /* Query the buffer size. */ 309 size = lseek(shared_handle, 0, SEEK_END); 310 if (size == (off_t)-1) { 311 pthread_mutex_unlock(&dev->bo_table_mutex); 312 amdgpu_close_kms_handle(dev, handle); 313 return -errno; 314 } 315 lseek(shared_handle, 0, SEEK_SET); 316 317 dma_buf_size = size; 318 shared_handle = handle; 319 } 320 321 /* If we have already created a buffer with this handle, find it. */ 322 switch (type) { 323 case amdgpu_bo_handle_type_gem_flink_name: 324 bo = util_hash_table_get(dev->bo_flink_names, 325 (void*)(uintptr_t)shared_handle); 326 break; 327 328 case amdgpu_bo_handle_type_dma_buf_fd: 329 bo = util_hash_table_get(dev->bo_handles, 330 (void*)(uintptr_t)shared_handle); 331 break; 332 333 case amdgpu_bo_handle_type_kms: 334 /* Importing a KMS handle in not allowed. */ 335 pthread_mutex_unlock(&dev->bo_table_mutex); 336 return -EPERM; 337 338 default: 339 pthread_mutex_unlock(&dev->bo_table_mutex); 340 return -EINVAL; 341 } 342 343 if (bo) { 344 pthread_mutex_unlock(&dev->bo_table_mutex); 345 346 /* The buffer already exists, just bump the refcount. */ 347 atomic_inc(&bo->refcount); 348 349 output->buf_handle = bo; 350 output->alloc_size = bo->alloc_size; 351 return 0; 352 } 353 354 bo = calloc(1, sizeof(struct amdgpu_bo)); 355 if (!bo) { 356 pthread_mutex_unlock(&dev->bo_table_mutex); 357 if (type == amdgpu_bo_handle_type_dma_buf_fd) { 358 amdgpu_close_kms_handle(dev, shared_handle); 359 } 360 return -ENOMEM; 361 } 362 363 /* Open the handle. */ 364 switch (type) { 365 case amdgpu_bo_handle_type_gem_flink_name: 366 open_arg.name = shared_handle; 367 r = drmIoctl(dev->flink_fd, DRM_IOCTL_GEM_OPEN, &open_arg); 368 if (r) { 369 free(bo); 370 pthread_mutex_unlock(&dev->bo_table_mutex); 371 return r; 372 } 373 374 bo->handle = open_arg.handle; 375 if (dev->flink_fd != dev->fd) { 376 r = drmPrimeHandleToFD(dev->flink_fd, bo->handle, DRM_CLOEXEC, &dma_fd); 377 if (r) { 378 free(bo); 379 pthread_mutex_unlock(&dev->bo_table_mutex); 380 return r; 381 } 382 r = drmPrimeFDToHandle(dev->fd, dma_fd, &bo->handle ); 383 384 close(dma_fd); 385 386 if (r) { 387 free(bo); 388 pthread_mutex_unlock(&dev->bo_table_mutex); 389 return r; 390 } 391 } 392 bo->flink_name = shared_handle; 393 bo->alloc_size = open_arg.size; 394 util_hash_table_set(dev->bo_flink_names, 395 (void*)(uintptr_t)bo->flink_name, bo); 396 break; 397 398 case amdgpu_bo_handle_type_dma_buf_fd: 399 bo->handle = shared_handle; 400 bo->alloc_size = dma_buf_size; 401 break; 402 403 case amdgpu_bo_handle_type_kms: 404 assert(0); /* unreachable */ 405 } 406 407 /* Initialize it. */ 408 atomic_set(&bo->refcount, 1); 409 bo->dev = dev; 410 pthread_mutex_init(&bo->cpu_access_mutex, NULL); 411 412 util_hash_table_set(dev->bo_handles, (void*)(uintptr_t)bo->handle, bo); 413 pthread_mutex_unlock(&dev->bo_table_mutex); 414 415 output->buf_handle = bo; 416 output->alloc_size = bo->alloc_size; 417 return 0; 418 } 419 420 int amdgpu_bo_free(amdgpu_bo_handle buf_handle) 421 { 422 /* Just drop the reference. */ 423 amdgpu_bo_reference(&buf_handle, NULL); 424 return 0; 425 } 426 427 int amdgpu_bo_cpu_map(amdgpu_bo_handle bo, void **cpu) 428 { 429 union drm_amdgpu_gem_mmap args; 430 void *ptr; 431 int r; 432 433 pthread_mutex_lock(&bo->cpu_access_mutex); 434 435 if (bo->cpu_ptr) { 436 /* already mapped */ 437 assert(bo->cpu_map_count > 0); 438 bo->cpu_map_count++; 439 *cpu = bo->cpu_ptr; 440 pthread_mutex_unlock(&bo->cpu_access_mutex); 441 return 0; 442 } 443 444 assert(bo->cpu_map_count == 0); 445 446 memset(&args, 0, sizeof(args)); 447 448 /* Query the buffer address (args.addr_ptr). 449 * The kernel driver ignores the offset and size parameters. */ 450 args.in.handle = bo->handle; 451 452 r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_MMAP, &args, 453 sizeof(args)); 454 if (r) { 455 pthread_mutex_unlock(&bo->cpu_access_mutex); 456 return r; 457 } 458 459 /* Map the buffer. */ 460 ptr = drm_mmap(NULL, bo->alloc_size, PROT_READ | PROT_WRITE, MAP_SHARED, 461 bo->dev->fd, args.out.addr_ptr); 462 if (ptr == MAP_FAILED) { 463 pthread_mutex_unlock(&bo->cpu_access_mutex); 464 return -errno; 465 } 466 467 bo->cpu_ptr = ptr; 468 bo->cpu_map_count = 1; 469 pthread_mutex_unlock(&bo->cpu_access_mutex); 470 471 *cpu = ptr; 472 return 0; 473 } 474 475 int amdgpu_bo_cpu_unmap(amdgpu_bo_handle bo) 476 { 477 int r; 478 479 pthread_mutex_lock(&bo->cpu_access_mutex); 480 assert(bo->cpu_map_count >= 0); 481 482 if (bo->cpu_map_count == 0) { 483 /* not mapped */ 484 pthread_mutex_unlock(&bo->cpu_access_mutex); 485 return -EINVAL; 486 } 487 488 bo->cpu_map_count--; 489 if (bo->cpu_map_count > 0) { 490 /* mapped multiple times */ 491 pthread_mutex_unlock(&bo->cpu_access_mutex); 492 return 0; 493 } 494 495 r = drm_munmap(bo->cpu_ptr, bo->alloc_size) == 0 ? 0 : -errno; 496 bo->cpu_ptr = NULL; 497 pthread_mutex_unlock(&bo->cpu_access_mutex); 498 return r; 499 } 500 501 int amdgpu_query_buffer_size_alignment(amdgpu_device_handle dev, 502 struct amdgpu_buffer_size_alignments *info) 503 { 504 info->size_local = dev->dev_info.pte_fragment_size; 505 info->size_remote = dev->dev_info.gart_page_size; 506 return 0; 507 } 508 509 int amdgpu_bo_wait_for_idle(amdgpu_bo_handle bo, 510 uint64_t timeout_ns, 511 bool *busy) 512 { 513 union drm_amdgpu_gem_wait_idle args; 514 int r; 515 516 memset(&args, 0, sizeof(args)); 517 args.in.handle = bo->handle; 518 args.in.timeout = amdgpu_cs_calculate_timeout(timeout_ns); 519 520 r = drmCommandWriteRead(bo->dev->fd, DRM_AMDGPU_GEM_WAIT_IDLE, 521 &args, sizeof(args)); 522 523 if (r == 0) { 524 *busy = args.out.status; 525 return 0; 526 } else { 527 fprintf(stderr, "amdgpu: GEM_WAIT_IDLE failed with %i\n", r); 528 return r; 529 } 530 } 531 532 int amdgpu_create_bo_from_user_mem(amdgpu_device_handle dev, 533 void *cpu, 534 uint64_t size, 535 amdgpu_bo_handle *buf_handle) 536 { 537 int r; 538 struct amdgpu_bo *bo; 539 struct drm_amdgpu_gem_userptr args; 540 uintptr_t cpu0; 541 uint32_t ps, off; 542 543 memset(&args, 0, sizeof(args)); 544 ps = getpagesize(); 545 546 cpu0 = ROUND_DOWN((uintptr_t)cpu, ps); 547 off = (uintptr_t)cpu - cpu0; 548 size = ROUND_UP(size + off, ps); 549 550 args.addr = cpu0; 551 args.flags = AMDGPU_GEM_USERPTR_ANONONLY | AMDGPU_GEM_USERPTR_REGISTER; 552 args.size = size; 553 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_USERPTR, 554 &args, sizeof(args)); 555 if (r) 556 return r; 557 558 bo = calloc(1, sizeof(struct amdgpu_bo)); 559 if (!bo) 560 return -ENOMEM; 561 562 atomic_set(&bo->refcount, 1); 563 bo->dev = dev; 564 bo->alloc_size = size; 565 bo->handle = args.handle; 566 567 *buf_handle = bo; 568 569 return r; 570 } 571 572 int amdgpu_bo_list_create(amdgpu_device_handle dev, 573 uint32_t number_of_resources, 574 amdgpu_bo_handle *resources, 575 uint8_t *resource_prios, 576 amdgpu_bo_list_handle *result) 577 { 578 struct drm_amdgpu_bo_list_entry *list; 579 union drm_amdgpu_bo_list args; 580 unsigned i; 581 int r; 582 583 if (!number_of_resources) 584 return -EINVAL; 585 586 /* overflow check for multiplication */ 587 if (number_of_resources > UINT32_MAX / sizeof(struct drm_amdgpu_bo_list_entry)) 588 return -EINVAL; 589 590 list = malloc(number_of_resources * sizeof(struct drm_amdgpu_bo_list_entry)); 591 if (!list) 592 return -ENOMEM; 593 594 *result = malloc(sizeof(struct amdgpu_bo_list)); 595 if (!*result) { 596 free(list); 597 return -ENOMEM; 598 } 599 600 memset(&args, 0, sizeof(args)); 601 args.in.operation = AMDGPU_BO_LIST_OP_CREATE; 602 args.in.bo_number = number_of_resources; 603 args.in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry); 604 args.in.bo_info_ptr = (uint64_t)(uintptr_t)list; 605 606 for (i = 0; i < number_of_resources; i++) { 607 list[i].bo_handle = resources[i]->handle; 608 if (resource_prios) 609 list[i].bo_priority = resource_prios[i]; 610 else 611 list[i].bo_priority = 0; 612 } 613 614 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_BO_LIST, 615 &args, sizeof(args)); 616 free(list); 617 if (r) { 618 free(*result); 619 return r; 620 } 621 622 (*result)->dev = dev; 623 (*result)->handle = args.out.list_handle; 624 return 0; 625 } 626 627 int amdgpu_bo_list_destroy(amdgpu_bo_list_handle list) 628 { 629 union drm_amdgpu_bo_list args; 630 int r; 631 632 memset(&args, 0, sizeof(args)); 633 args.in.operation = AMDGPU_BO_LIST_OP_DESTROY; 634 args.in.list_handle = list->handle; 635 636 r = drmCommandWriteRead(list->dev->fd, DRM_AMDGPU_BO_LIST, 637 &args, sizeof(args)); 638 639 if (!r) 640 free(list); 641 642 return r; 643 } 644 645 int amdgpu_bo_list_update(amdgpu_bo_list_handle handle, 646 uint32_t number_of_resources, 647 amdgpu_bo_handle *resources, 648 uint8_t *resource_prios) 649 { 650 struct drm_amdgpu_bo_list_entry *list; 651 union drm_amdgpu_bo_list args; 652 unsigned i; 653 int r; 654 655 if (!number_of_resources) 656 return -EINVAL; 657 658 /* overflow check for multiplication */ 659 if (number_of_resources > UINT32_MAX / sizeof(struct drm_amdgpu_bo_list_entry)) 660 return -EINVAL; 661 662 list = malloc(number_of_resources * sizeof(struct drm_amdgpu_bo_list_entry)); 663 if (list == NULL) 664 return -ENOMEM; 665 666 args.in.operation = AMDGPU_BO_LIST_OP_UPDATE; 667 args.in.list_handle = handle->handle; 668 args.in.bo_number = number_of_resources; 669 args.in.bo_info_size = sizeof(struct drm_amdgpu_bo_list_entry); 670 args.in.bo_info_ptr = (uintptr_t)list; 671 672 for (i = 0; i < number_of_resources; i++) { 673 list[i].bo_handle = resources[i]->handle; 674 if (resource_prios) 675 list[i].bo_priority = resource_prios[i]; 676 else 677 list[i].bo_priority = 0; 678 } 679 680 r = drmCommandWriteRead(handle->dev->fd, DRM_AMDGPU_BO_LIST, 681 &args, sizeof(args)); 682 free(list); 683 return r; 684 } 685 686 int amdgpu_bo_va_op(amdgpu_bo_handle bo, 687 uint64_t offset, 688 uint64_t size, 689 uint64_t addr, 690 uint64_t flags, 691 uint32_t ops) 692 { 693 amdgpu_device_handle dev = bo->dev; 694 struct drm_amdgpu_gem_va va; 695 int r; 696 697 if (ops != AMDGPU_VA_OP_MAP && ops != AMDGPU_VA_OP_UNMAP) 698 return -EINVAL; 699 700 memset(&va, 0, sizeof(va)); 701 va.handle = bo->handle; 702 va.operation = ops; 703 va.flags = AMDGPU_VM_PAGE_READABLE | 704 AMDGPU_VM_PAGE_WRITEABLE | 705 AMDGPU_VM_PAGE_EXECUTABLE; 706 va.va_address = addr; 707 va.offset_in_bo = offset; 708 va.map_size = ALIGN(size, getpagesize()); 709 710 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_VA, &va, sizeof(va)); 711 712 return r; 713 } 714
