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 #include "amdgpu_amdkfd.h" 24 #include "amd_pcie.h" 25 #include "amd_shared.h" 26 27 #include "amdgpu.h" 28 #include "amdgpu_gfx.h" 29 #include "amdgpu_dma_buf.h" 30 #include <linux/module.h> 31 #include <linux/dma-buf.h> 32 #include "amdgpu_xgmi.h" 33 #include <uapi/linux/kfd_ioctl.h> 34 #include "amdgpu_ras.h" 35 #include "amdgpu_umc.h" 36 37 /* Total memory size in system memory and all GPU VRAM. Used to 38 * estimate worst case amount of memory to reserve for page tables 39 */ 40 uint64_t amdgpu_amdkfd_total_mem_size; 41 42 static bool kfd_initialized; 43 44 int amdgpu_amdkfd_init(void) 45 { 46 struct sysinfo si; 47 int ret; 48 49 si_meminfo(&si); 50 amdgpu_amdkfd_total_mem_size = si.freeram - si.freehigh; 51 amdgpu_amdkfd_total_mem_size *= si.mem_unit; 52 53 ret = kgd2kfd_init(); 54 amdgpu_amdkfd_gpuvm_init_mem_limits(); 55 kfd_initialized = !ret; 56 57 return ret; 58 } 59 60 void amdgpu_amdkfd_fini(void) 61 { 62 if (kfd_initialized) { 63 kgd2kfd_exit(); 64 kfd_initialized = false; 65 } 66 } 67 68 void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev) 69 { 70 bool vf = amdgpu_sriov_vf(adev); 71 72 if (!kfd_initialized) 73 return; 74 75 adev->kfd.dev = kgd2kfd_probe(adev, vf); 76 77 if (adev->kfd.dev) 78 amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size; 79 } 80 81 /** 82 * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to 83 * setup amdkfd 84 * 85 * @adev: amdgpu_device pointer 86 * @aperture_base: output returning doorbell aperture base physical address 87 * @aperture_size: output returning doorbell aperture size in bytes 88 * @start_offset: output returning # of doorbell bytes reserved for amdgpu. 89 * 90 * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up, 91 * takes doorbells required for its own rings and reports the setup to amdkfd. 92 * amdgpu reserved doorbells are at the start of the doorbell aperture. 93 */ 94 static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev, 95 phys_addr_t *aperture_base, 96 size_t *aperture_size, 97 size_t *start_offset) 98 { 99 /* 100 * The first num_doorbells are used by amdgpu. 101 * amdkfd takes whatever's left in the aperture. 102 */ 103 if (adev->enable_mes) { 104 /* 105 * With MES enabled, we only need to initialize 106 * the base address. The size and offset are 107 * not initialized as AMDGPU manages the whole 108 * doorbell space. 109 */ 110 *aperture_base = adev->doorbell.base; 111 *aperture_size = 0; 112 *start_offset = 0; 113 } else if (adev->doorbell.size > adev->doorbell.num_doorbells * 114 sizeof(u32)) { 115 *aperture_base = adev->doorbell.base; 116 *aperture_size = adev->doorbell.size; 117 *start_offset = adev->doorbell.num_doorbells * sizeof(u32); 118 } else { 119 *aperture_base = 0; 120 *aperture_size = 0; 121 *start_offset = 0; 122 } 123 } 124 125 void amdgpu_amdkfd_device_init(struct amdgpu_device *adev) 126 { 127 int i; 128 int last_valid_bit; 129 130 if (adev->kfd.dev) { 131 struct kgd2kfd_shared_resources gpu_resources = { 132 .compute_vmid_bitmap = 133 ((1 << AMDGPU_NUM_VMID) - 1) - 134 ((1 << adev->vm_manager.first_kfd_vmid) - 1), 135 .num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec, 136 .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe, 137 .gpuvm_size = min(adev->vm_manager.max_pfn 138 << AMDGPU_GPU_PAGE_SHIFT, 139 AMDGPU_GMC_HOLE_START), 140 .drm_render_minor = adev_to_drm(adev)->render->index, 141 .sdma_doorbell_idx = adev->doorbell_index.sdma_engine, 142 .enable_mes = adev->enable_mes, 143 }; 144 145 /* this is going to have a few of the MSBs set that we need to 146 * clear 147 */ 148 bitmap_complement(gpu_resources.cp_queue_bitmap, 149 adev->gfx.mec.queue_bitmap, 150 KGD_MAX_QUEUES); 151 152 /* According to linux/bitmap.h we shouldn't use bitmap_clear if 153 * nbits is not compile time constant 154 */ 155 last_valid_bit = 1 /* only first MEC can have compute queues */ 156 * adev->gfx.mec.num_pipe_per_mec 157 * adev->gfx.mec.num_queue_per_pipe; 158 for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i) 159 clear_bit(i, gpu_resources.cp_queue_bitmap); 160 161 amdgpu_doorbell_get_kfd_info(adev, 162 &gpu_resources.doorbell_physical_address, 163 &gpu_resources.doorbell_aperture_size, 164 &gpu_resources.doorbell_start_offset); 165 166 /* Since SOC15, BIF starts to statically use the 167 * lower 12 bits of doorbell addresses for routing 168 * based on settings in registers like 169 * SDMA0_DOORBELL_RANGE etc.. 170 * In order to route a doorbell to CP engine, the lower 171 * 12 bits of its address has to be outside the range 172 * set for SDMA, VCN, and IH blocks. 173 */ 174 if (adev->asic_type >= CHIP_VEGA10) { 175 gpu_resources.non_cp_doorbells_start = 176 adev->doorbell_index.first_non_cp; 177 gpu_resources.non_cp_doorbells_end = 178 adev->doorbell_index.last_non_cp; 179 } 180 181 adev->kfd.init_complete = kgd2kfd_device_init(adev->kfd.dev, 182 adev_to_drm(adev), &gpu_resources); 183 } 184 } 185 186 void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev) 187 { 188 if (adev->kfd.dev) { 189 kgd2kfd_device_exit(adev->kfd.dev); 190 adev->kfd.dev = NULL; 191 } 192 } 193 194 void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, 195 const void *ih_ring_entry) 196 { 197 if (adev->kfd.dev) 198 kgd2kfd_interrupt(adev->kfd.dev, ih_ring_entry); 199 } 200 201 void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm) 202 { 203 if (adev->kfd.dev) 204 kgd2kfd_suspend(adev->kfd.dev, run_pm); 205 } 206 207 int amdgpu_amdkfd_resume_iommu(struct amdgpu_device *adev) 208 { 209 int r = 0; 210 211 if (adev->kfd.dev) 212 r = kgd2kfd_resume_iommu(adev->kfd.dev); 213 214 return r; 215 } 216 217 int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm) 218 { 219 int r = 0; 220 221 if (adev->kfd.dev) 222 r = kgd2kfd_resume(adev->kfd.dev, run_pm); 223 224 return r; 225 } 226 227 int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev) 228 { 229 int r = 0; 230 231 if (adev->kfd.dev) 232 r = kgd2kfd_pre_reset(adev->kfd.dev); 233 234 return r; 235 } 236 237 int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev) 238 { 239 int r = 0; 240 241 if (adev->kfd.dev) 242 r = kgd2kfd_post_reset(adev->kfd.dev); 243 244 return r; 245 } 246 247 void amdgpu_amdkfd_gpu_reset(struct amdgpu_device *adev) 248 { 249 if (amdgpu_device_should_recover_gpu(adev)) 250 amdgpu_device_gpu_recover(adev, NULL); 251 } 252 253 int amdgpu_amdkfd_alloc_gtt_mem(struct amdgpu_device *adev, size_t size, 254 void **mem_obj, uint64_t *gpu_addr, 255 void **cpu_ptr, bool cp_mqd_gfx9) 256 { 257 struct amdgpu_bo *bo = NULL; 258 struct amdgpu_bo_param bp; 259 int r; 260 void *cpu_ptr_tmp = NULL; 261 262 memset(&bp, 0, sizeof(bp)); 263 bp.size = size; 264 bp.byte_align = PAGE_SIZE; 265 bp.domain = AMDGPU_GEM_DOMAIN_GTT; 266 bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC; 267 bp.type = ttm_bo_type_kernel; 268 bp.resv = NULL; 269 bp.bo_ptr_size = sizeof(struct amdgpu_bo); 270 271 if (cp_mqd_gfx9) 272 bp.flags |= AMDGPU_GEM_CREATE_CP_MQD_GFX9; 273 274 r = amdgpu_bo_create(adev, &bp, &bo); 275 if (r) { 276 dev_err(adev->dev, 277 "failed to allocate BO for amdkfd (%d)\n", r); 278 return r; 279 } 280 281 /* map the buffer */ 282 r = amdgpu_bo_reserve(bo, true); 283 if (r) { 284 dev_err(adev->dev, "(%d) failed to reserve bo for amdkfd\n", r); 285 goto allocate_mem_reserve_bo_failed; 286 } 287 288 r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT); 289 if (r) { 290 dev_err(adev->dev, "(%d) failed to pin bo for amdkfd\n", r); 291 goto allocate_mem_pin_bo_failed; 292 } 293 294 r = amdgpu_ttm_alloc_gart(&bo->tbo); 295 if (r) { 296 dev_err(adev->dev, "%p bind failed\n", bo); 297 goto allocate_mem_kmap_bo_failed; 298 } 299 300 r = amdgpu_bo_kmap(bo, &cpu_ptr_tmp); 301 if (r) { 302 dev_err(adev->dev, 303 "(%d) failed to map bo to kernel for amdkfd\n", r); 304 goto allocate_mem_kmap_bo_failed; 305 } 306 307 *mem_obj = bo; 308 *gpu_addr = amdgpu_bo_gpu_offset(bo); 309 *cpu_ptr = cpu_ptr_tmp; 310 311 amdgpu_bo_unreserve(bo); 312 313 return 0; 314 315 allocate_mem_kmap_bo_failed: 316 amdgpu_bo_unpin(bo); 317 allocate_mem_pin_bo_failed: 318 amdgpu_bo_unreserve(bo); 319 allocate_mem_reserve_bo_failed: 320 amdgpu_bo_unref(&bo); 321 322 return r; 323 } 324 325 void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void *mem_obj) 326 { 327 struct amdgpu_bo *bo = (struct amdgpu_bo *) mem_obj; 328 329 amdgpu_bo_reserve(bo, true); 330 amdgpu_bo_kunmap(bo); 331 amdgpu_bo_unpin(bo); 332 amdgpu_bo_unreserve(bo); 333 amdgpu_bo_unref(&(bo)); 334 } 335 336 int amdgpu_amdkfd_alloc_gws(struct amdgpu_device *adev, size_t size, 337 void **mem_obj) 338 { 339 struct amdgpu_bo *bo = NULL; 340 struct amdgpu_bo_user *ubo; 341 struct amdgpu_bo_param bp; 342 int r; 343 344 memset(&bp, 0, sizeof(bp)); 345 bp.size = size; 346 bp.byte_align = 1; 347 bp.domain = AMDGPU_GEM_DOMAIN_GWS; 348 bp.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS; 349 bp.type = ttm_bo_type_device; 350 bp.resv = NULL; 351 bp.bo_ptr_size = sizeof(struct amdgpu_bo); 352 353 r = amdgpu_bo_create_user(adev, &bp, &ubo); 354 if (r) { 355 dev_err(adev->dev, 356 "failed to allocate gws BO for amdkfd (%d)\n", r); 357 return r; 358 } 359 360 bo = &ubo->bo; 361 *mem_obj = bo; 362 return 0; 363 } 364 365 void amdgpu_amdkfd_free_gws(struct amdgpu_device *adev, void *mem_obj) 366 { 367 struct amdgpu_bo *bo = (struct amdgpu_bo *)mem_obj; 368 369 amdgpu_bo_unref(&bo); 370 } 371 372 uint32_t amdgpu_amdkfd_get_fw_version(struct amdgpu_device *adev, 373 enum kgd_engine_type type) 374 { 375 switch (type) { 376 case KGD_ENGINE_PFP: 377 return adev->gfx.pfp_fw_version; 378 379 case KGD_ENGINE_ME: 380 return adev->gfx.me_fw_version; 381 382 case KGD_ENGINE_CE: 383 return adev->gfx.ce_fw_version; 384 385 case KGD_ENGINE_MEC1: 386 return adev->gfx.mec_fw_version; 387 388 case KGD_ENGINE_MEC2: 389 return adev->gfx.mec2_fw_version; 390 391 case KGD_ENGINE_RLC: 392 return adev->gfx.rlc_fw_version; 393 394 case KGD_ENGINE_SDMA1: 395 return adev->sdma.instance[0].fw_version; 396 397 case KGD_ENGINE_SDMA2: 398 return adev->sdma.instance[1].fw_version; 399 400 default: 401 return 0; 402 } 403 404 return 0; 405 } 406 407 void amdgpu_amdkfd_get_local_mem_info(struct amdgpu_device *adev, 408 struct kfd_local_mem_info *mem_info) 409 { 410 memset(mem_info, 0, sizeof(*mem_info)); 411 412 mem_info->local_mem_size_public = adev->gmc.visible_vram_size; 413 mem_info->local_mem_size_private = adev->gmc.real_vram_size - 414 adev->gmc.visible_vram_size; 415 416 mem_info->vram_width = adev->gmc.vram_width; 417 418 pr_debug("Address base: %pap public 0x%llx private 0x%llx\n", 419 &adev->gmc.aper_base, 420 mem_info->local_mem_size_public, 421 mem_info->local_mem_size_private); 422 423 if (amdgpu_sriov_vf(adev)) 424 mem_info->mem_clk_max = adev->clock.default_mclk / 100; 425 else if (adev->pm.dpm_enabled) { 426 if (amdgpu_emu_mode == 1) 427 mem_info->mem_clk_max = 0; 428 else 429 mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100; 430 } else 431 mem_info->mem_clk_max = 100; 432 } 433 434 uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct amdgpu_device *adev) 435 { 436 if (adev->gfx.funcs->get_gpu_clock_counter) 437 return adev->gfx.funcs->get_gpu_clock_counter(adev); 438 return 0; 439 } 440 441 uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct amdgpu_device *adev) 442 { 443 /* the sclk is in quantas of 10kHz */ 444 if (amdgpu_sriov_vf(adev)) 445 return adev->clock.default_sclk / 100; 446 else if (adev->pm.dpm_enabled) 447 return amdgpu_dpm_get_sclk(adev, false) / 100; 448 else 449 return 100; 450 } 451 452 void amdgpu_amdkfd_get_cu_info(struct amdgpu_device *adev, struct kfd_cu_info *cu_info) 453 { 454 struct amdgpu_cu_info acu_info = adev->gfx.cu_info; 455 456 memset(cu_info, 0, sizeof(*cu_info)); 457 if (sizeof(cu_info->cu_bitmap) != sizeof(acu_info.bitmap)) 458 return; 459 460 cu_info->cu_active_number = acu_info.number; 461 cu_info->cu_ao_mask = acu_info.ao_cu_mask; 462 memcpy(&cu_info->cu_bitmap[0], &acu_info.bitmap[0], 463 sizeof(acu_info.bitmap)); 464 cu_info->num_shader_engines = adev->gfx.config.max_shader_engines; 465 cu_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se; 466 cu_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh; 467 cu_info->simd_per_cu = acu_info.simd_per_cu; 468 cu_info->max_waves_per_simd = acu_info.max_waves_per_simd; 469 cu_info->wave_front_size = acu_info.wave_front_size; 470 cu_info->max_scratch_slots_per_cu = acu_info.max_scratch_slots_per_cu; 471 cu_info->lds_size = acu_info.lds_size; 472 } 473 474 int amdgpu_amdkfd_get_dmabuf_info(struct amdgpu_device *adev, int dma_buf_fd, 475 struct amdgpu_device **dmabuf_adev, 476 uint64_t *bo_size, void *metadata_buffer, 477 size_t buffer_size, uint32_t *metadata_size, 478 uint32_t *flags) 479 { 480 struct dma_buf *dma_buf; 481 struct drm_gem_object *obj; 482 struct amdgpu_bo *bo; 483 uint64_t metadata_flags; 484 int r = -EINVAL; 485 486 dma_buf = dma_buf_get(dma_buf_fd); 487 if (IS_ERR(dma_buf)) 488 return PTR_ERR(dma_buf); 489 490 if (dma_buf->ops != &amdgpu_dmabuf_ops) 491 /* Can't handle non-graphics buffers */ 492 goto out_put; 493 494 obj = dma_buf->priv; 495 if (obj->dev->driver != adev_to_drm(adev)->driver) 496 /* Can't handle buffers from different drivers */ 497 goto out_put; 498 499 adev = drm_to_adev(obj->dev); 500 bo = gem_to_amdgpu_bo(obj); 501 if (!(bo->preferred_domains & (AMDGPU_GEM_DOMAIN_VRAM | 502 AMDGPU_GEM_DOMAIN_GTT))) 503 /* Only VRAM and GTT BOs are supported */ 504 goto out_put; 505 506 r = 0; 507 if (dmabuf_adev) 508 *dmabuf_adev = adev; 509 if (bo_size) 510 *bo_size = amdgpu_bo_size(bo); 511 if (metadata_buffer) 512 r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size, 513 metadata_size, &metadata_flags); 514 if (flags) { 515 *flags = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ? 516 KFD_IOC_ALLOC_MEM_FLAGS_VRAM 517 : KFD_IOC_ALLOC_MEM_FLAGS_GTT; 518 519 if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) 520 *flags |= KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC; 521 } 522 523 out_put: 524 dma_buf_put(dma_buf); 525 return r; 526 } 527 528 uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct amdgpu_device *dst, 529 struct amdgpu_device *src) 530 { 531 struct amdgpu_device *peer_adev = src; 532 struct amdgpu_device *adev = dst; 533 int ret = amdgpu_xgmi_get_hops_count(adev, peer_adev); 534 535 if (ret < 0) { 536 DRM_ERROR("amdgpu: failed to get xgmi hops count between node %d and %d. ret = %d\n", 537 adev->gmc.xgmi.physical_node_id, 538 peer_adev->gmc.xgmi.physical_node_id, ret); 539 ret = 0; 540 } 541 return (uint8_t)ret; 542 } 543 544 int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct amdgpu_device *dst, 545 struct amdgpu_device *src, 546 bool is_min) 547 { 548 struct amdgpu_device *adev = dst, *peer_adev; 549 int num_links; 550 551 if (adev->asic_type != CHIP_ALDEBARAN) 552 return 0; 553 554 if (src) 555 peer_adev = src; 556 557 /* num links returns 0 for indirect peers since indirect route is unknown. */ 558 num_links = is_min ? 1 : amdgpu_xgmi_get_num_links(adev, peer_adev); 559 if (num_links < 0) { 560 DRM_ERROR("amdgpu: failed to get xgmi num links between node %d and %d. ret = %d\n", 561 adev->gmc.xgmi.physical_node_id, 562 peer_adev->gmc.xgmi.physical_node_id, num_links); 563 num_links = 0; 564 } 565 566 /* Aldebaran xGMI DPM is defeatured so assume x16 x 25Gbps for bandwidth. */ 567 return (num_links * 16 * 25000)/BITS_PER_BYTE; 568 } 569 570 int amdgpu_amdkfd_get_pcie_bandwidth_mbytes(struct amdgpu_device *adev, bool is_min) 571 { 572 int num_lanes_shift = (is_min ? ffs(adev->pm.pcie_mlw_mask) : 573 fls(adev->pm.pcie_mlw_mask)) - 1; 574 int gen_speed_shift = (is_min ? ffs(adev->pm.pcie_gen_mask & 575 CAIL_PCIE_LINK_SPEED_SUPPORT_MASK) : 576 fls(adev->pm.pcie_gen_mask & 577 CAIL_PCIE_LINK_SPEED_SUPPORT_MASK)) - 1; 578 uint32_t num_lanes_mask = 1 << num_lanes_shift; 579 uint32_t gen_speed_mask = 1 << gen_speed_shift; 580 int num_lanes_factor = 0, gen_speed_mbits_factor = 0; 581 582 switch (num_lanes_mask) { 583 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X1: 584 num_lanes_factor = 1; 585 break; 586 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X2: 587 num_lanes_factor = 2; 588 break; 589 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X4: 590 num_lanes_factor = 4; 591 break; 592 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X8: 593 num_lanes_factor = 8; 594 break; 595 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X12: 596 num_lanes_factor = 12; 597 break; 598 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X16: 599 num_lanes_factor = 16; 600 break; 601 case CAIL_PCIE_LINK_WIDTH_SUPPORT_X32: 602 num_lanes_factor = 32; 603 break; 604 } 605 606 switch (gen_speed_mask) { 607 case CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1: 608 gen_speed_mbits_factor = 2500; 609 break; 610 case CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2: 611 gen_speed_mbits_factor = 5000; 612 break; 613 case CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3: 614 gen_speed_mbits_factor = 8000; 615 break; 616 case CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4: 617 gen_speed_mbits_factor = 16000; 618 break; 619 case CAIL_PCIE_LINK_SPEED_SUPPORT_GEN5: 620 gen_speed_mbits_factor = 32000; 621 break; 622 } 623 624 return (num_lanes_factor * gen_speed_mbits_factor)/BITS_PER_BYTE; 625 } 626 627 int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev, 628 enum kgd_engine_type engine, 629 uint32_t vmid, uint64_t gpu_addr, 630 uint32_t *ib_cmd, uint32_t ib_len) 631 { 632 struct amdgpu_job *job; 633 struct amdgpu_ib *ib; 634 struct amdgpu_ring *ring; 635 struct dma_fence *f = NULL; 636 int ret; 637 638 switch (engine) { 639 case KGD_ENGINE_MEC1: 640 ring = &adev->gfx.compute_ring[0]; 641 break; 642 case KGD_ENGINE_SDMA1: 643 ring = &adev->sdma.instance[0].ring; 644 break; 645 case KGD_ENGINE_SDMA2: 646 ring = &adev->sdma.instance[1].ring; 647 break; 648 default: 649 pr_err("Invalid engine in IB submission: %d\n", engine); 650 ret = -EINVAL; 651 goto err; 652 } 653 654 ret = amdgpu_job_alloc(adev, 1, &job, NULL); 655 if (ret) 656 goto err; 657 658 ib = &job->ibs[0]; 659 memset(ib, 0, sizeof(struct amdgpu_ib)); 660 661 ib->gpu_addr = gpu_addr; 662 ib->ptr = ib_cmd; 663 ib->length_dw = ib_len; 664 /* This works for NO_HWS. TODO: need to handle without knowing VMID */ 665 job->vmid = vmid; 666 667 ret = amdgpu_ib_schedule(ring, 1, ib, job, &f); 668 669 if (ret) { 670 DRM_ERROR("amdgpu: failed to schedule IB.\n"); 671 goto err_ib_sched; 672 } 673 674 ret = dma_fence_wait(f, false); 675 676 err_ib_sched: 677 amdgpu_job_free(job); 678 err: 679 return ret; 680 } 681 682 void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle) 683 { 684 amdgpu_dpm_switch_power_profile(adev, 685 PP_SMC_POWER_PROFILE_COMPUTE, 686 !idle); 687 } 688 689 bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid) 690 { 691 if (adev->kfd.dev) 692 return vmid >= adev->vm_manager.first_kfd_vmid; 693 694 return false; 695 } 696 697 int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev, 698 uint16_t vmid) 699 { 700 if (adev->family == AMDGPU_FAMILY_AI) { 701 int i; 702 703 for (i = 0; i < adev->num_vmhubs; i++) 704 amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0); 705 } else { 706 amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0); 707 } 708 709 return 0; 710 } 711 712 int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 713 uint16_t pasid, enum TLB_FLUSH_TYPE flush_type) 714 { 715 bool all_hub = false; 716 717 if (adev->family == AMDGPU_FAMILY_AI) 718 all_hub = true; 719 720 return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub); 721 } 722 723 bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev) 724 { 725 return adev->have_atomics_support; 726 } 727 728 void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev, bool reset) 729 { 730 struct ras_err_data err_data = {0, 0, 0, NULL}; 731 732 /* CPU MCA will handle page retirement if connected_to_cpu is 1 */ 733 if (!adev->gmc.xgmi.connected_to_cpu) 734 amdgpu_umc_poison_handler(adev, &err_data, reset); 735 else if (reset) 736 amdgpu_amdkfd_gpu_reset(adev); 737 } 738 739 bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev) 740 { 741 if (adev->gfx.ras && adev->gfx.ras->query_utcl2_poison_status) 742 return adev->gfx.ras->query_utcl2_poison_status(adev); 743 else 744 return false; 745 } 746