drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

   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_shared.h"
  25
  26 #include "amdgpu.h"
  27 #include "amdgpu_gfx.h"
  28 #include "amdgpu_dma_buf.h"
  29 #include <linux/module.h>
  30 #include <linux/dma-buf.h>
  31 #include "amdgpu_xgmi.h"
  32 #include <uapi/linux/kfd_ioctl.h>
  33
  34 /* Total memory size in system memory and all GPU VRAM. Used to
  35  * estimate worst case amount of memory to reserve for page tables
  36  */
  37 uint64_t amdgpu_amdkfd_total_mem_size;
  38
  39 static bool kfd_initialized;
  40
  41 int amdgpu_amdkfd_init(void)
  42 {
  43         struct sysinfo si;
  44         int ret;
  45
  46         si_meminfo(&si);
  47         amdgpu_amdkfd_total_mem_size = si.totalram - si.totalhigh;
  48         amdgpu_amdkfd_total_mem_size *= si.mem_unit;
  49
  50 #ifdef CONFIG_HSA_AMD
  51         ret = kgd2kfd_init();
  52         amdgpu_amdkfd_gpuvm_init_mem_limits();
  53 #else
  54         ret = -ENOENT;
  55 #endif
  56         kfd_initialized = !ret;
  57
  58         return ret;
  59 }
  60
  61 void amdgpu_amdkfd_fini(void)
  62 {
  63         if (kfd_initialized) {
  64                 kgd2kfd_exit();
  65                 kfd_initialized = false;
  66         }
  67 }
  68
  69 void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
  70 {
  71         bool vf = amdgpu_sriov_vf(adev);
  72
  73         if (!kfd_initialized)
  74                 return;
  75
  76         adev->kfd.dev = kgd2kfd_probe((struct kgd_dev *)adev,
  77                                       adev->pdev, adev->asic_type, vf);
  78
  79         if (adev->kfd.dev)
  80                 amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size;
  81 }
  82
  83 /**
  84  * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
  85  *                                setup amdkfd
  86  *
  87  * @adev: amdgpu_device pointer
  88  * @aperture_base: output returning doorbell aperture base physical address
  89  * @aperture_size: output returning doorbell aperture size in bytes
  90  * @start_offset: output returning # of doorbell bytes reserved for amdgpu.
  91  *
  92  * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
  93  * takes doorbells required for its own rings and reports the setup to amdkfd.
  94  * amdgpu reserved doorbells are at the start of the doorbell aperture.
  95  */
  96 static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
  97                                          phys_addr_t *aperture_base,
  98                                          size_t *aperture_size,
  99                                          size_t *start_offset)
 100 {
 101         /*
 102          * The first num_doorbells are used by amdgpu.
 103          * amdkfd takes whatever's left in the aperture.
 104          */
 105         if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) {
 106                 *aperture_base = adev->doorbell.base;
 107                 *aperture_size = adev->doorbell.size;
 108                 *start_offset = adev->doorbell.num_doorbells * sizeof(u32);
 109         } else {
 110                 *aperture_base = 0;
 111                 *aperture_size = 0;
 112                 *start_offset = 0;
 113         }
 114 }
 115
 116 void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
 117 {
 118         int i;
 119         int last_valid_bit;
 120
 121         if (adev->kfd.dev) {
 122                 struct kgd2kfd_shared_resources gpu_resources = {
 123                         .compute_vmid_bitmap =
 124                                 ((1 << AMDGPU_NUM_VMID) - 1) -
 125                                 ((1 << adev->vm_manager.first_kfd_vmid) - 1),
 126                         .num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec,
 127                         .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe,
 128                         .gpuvm_size = min(adev->vm_manager.max_pfn
 129                                           << AMDGPU_GPU_PAGE_SHIFT,
 130                                           AMDGPU_GMC_HOLE_START),
 131                         .drm_render_minor = adev_to_drm(adev)->render->index,
 132                         .sdma_doorbell_idx = adev->doorbell_index.sdma_engine,
 133
 134                 };
 135
 136                 /* this is going to have a few of the MSBs set that we need to
 137                  * clear
 138                  */
 139                 bitmap_complement(gpu_resources.cp_queue_bitmap,
 140                                   adev->gfx.mec.queue_bitmap,
 141                                   KGD_MAX_QUEUES);
 142
 143                 /* According to linux/bitmap.h we shouldn't use bitmap_clear if
 144                  * nbits is not compile time constant
 145                  */
 146                 last_valid_bit = 1 /* only first MEC can have compute queues */
 147                                 * adev->gfx.mec.num_pipe_per_mec
 148                                 * adev->gfx.mec.num_queue_per_pipe;
 149                 for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i)
 150                         clear_bit(i, gpu_resources.cp_queue_bitmap);
 151
 152                 amdgpu_doorbell_get_kfd_info(adev,
 153                                 &gpu_resources.doorbell_physical_address,
 154                                 &gpu_resources.doorbell_aperture_size,
 155                                 &gpu_resources.doorbell_start_offset);
 156
 157                 /* Since SOC15, BIF starts to statically use the
 158                  * lower 12 bits of doorbell addresses for routing
 159                  * based on settings in registers like
 160                  * SDMA0_DOORBELL_RANGE etc..
 161                  * In order to route a doorbell to CP engine, the lower
 162                  * 12 bits of its address has to be outside the range
 163                  * set for SDMA, VCN, and IH blocks.
 164                  */
 165                 if (adev->asic_type >= CHIP_VEGA10) {
 166                         gpu_resources.non_cp_doorbells_start =
 167                                         adev->doorbell_index.first_non_cp;
 168                         gpu_resources.non_cp_doorbells_end =
 169                                         adev->doorbell_index.last_non_cp;
 170                 }
 171
 172                 kgd2kfd_device_init(adev->kfd.dev, adev_to_drm(adev), &gpu_resources);
 173         }
 174 }
 175
 176 void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev)
 177 {
 178         if (adev->kfd.dev) {
 179                 kgd2kfd_device_exit(adev->kfd.dev);
 180                 adev->kfd.dev = NULL;
 181         }
 182 }
 183
 184 void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
 185                 const void *ih_ring_entry)
 186 {
 187         if (adev->kfd.dev)
 188                 kgd2kfd_interrupt(adev->kfd.dev, ih_ring_entry);
 189 }
 190
 191 void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm)
 192 {
 193         if (adev->kfd.dev)
 194                 kgd2kfd_suspend(adev->kfd.dev, run_pm);
 195 }
 196
 197 int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm)
 198 {
 199         int r = 0;
 200
 201         if (adev->kfd.dev)
 202                 r = kgd2kfd_resume(adev->kfd.dev, run_pm);
 203
 204         return r;
 205 }
 206
 207 int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev)
 208 {
 209         int r = 0;
 210
 211         if (adev->kfd.dev)
 212                 r = kgd2kfd_pre_reset(adev->kfd.dev);
 213
 214         return r;
 215 }
 216
 217 int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev)
 218 {
 219         int r = 0;
 220
 221         if (adev->kfd.dev)
 222                 r = kgd2kfd_post_reset(adev->kfd.dev);
 223
 224         return r;
 225 }
 226
 227 void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd)
 228 {
 229         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 230
 231         if (amdgpu_device_should_recover_gpu(adev))
 232                 amdgpu_device_gpu_recover(adev, NULL);
 233 }
 234
 235 int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
 236                                 void **mem_obj, uint64_t *gpu_addr,
 237                                 void **cpu_ptr, bool cp_mqd_gfx9)
 238 {
 239         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 240         struct amdgpu_bo *bo = NULL;
 241         struct amdgpu_bo_param bp;
 242         int r;
 243         void *cpu_ptr_tmp = NULL;
 244
 245         memset(&bp, 0, sizeof(bp));
 246         bp.size = size;
 247         bp.byte_align = PAGE_SIZE;
 248         bp.domain = AMDGPU_GEM_DOMAIN_GTT;
 249         bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
 250         bp.type = ttm_bo_type_kernel;
 251         bp.resv = NULL;
 252
 253         if (cp_mqd_gfx9)
 254                 bp.flags |= AMDGPU_GEM_CREATE_CP_MQD_GFX9;
 255
 256         r = amdgpu_bo_create(adev, &bp, &bo);
 257         if (r) {
 258                 dev_err(adev->dev,
 259                         "failed to allocate BO for amdkfd (%d)\n", r);
 260                 return r;
 261         }
 262
 263         /* map the buffer */
 264         r = amdgpu_bo_reserve(bo, true);
 265         if (r) {
 266                 dev_err(adev->dev, "(%d) failed to reserve bo for amdkfd\n", r);
 267                 goto allocate_mem_reserve_bo_failed;
 268         }
 269
 270         r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT);
 271         if (r) {
 272                 dev_err(adev->dev, "(%d) failed to pin bo for amdkfd\n", r);
 273                 goto allocate_mem_pin_bo_failed;
 274         }
 275
 276         r = amdgpu_ttm_alloc_gart(&bo->tbo);
 277         if (r) {
 278                 dev_err(adev->dev, "%p bind failed\n", bo);
 279                 goto allocate_mem_kmap_bo_failed;
 280         }
 281
 282         r = amdgpu_bo_kmap(bo, &cpu_ptr_tmp);
 283         if (r) {
 284                 dev_err(adev->dev,
 285                         "(%d) failed to map bo to kernel for amdkfd\n", r);
 286                 goto allocate_mem_kmap_bo_failed;
 287         }
 288
 289         *mem_obj = bo;
 290         *gpu_addr = amdgpu_bo_gpu_offset(bo);
 291         *cpu_ptr = cpu_ptr_tmp;
 292
 293         amdgpu_bo_unreserve(bo);
 294
 295         return 0;
 296
 297 allocate_mem_kmap_bo_failed:
 298         amdgpu_bo_unpin(bo);
 299 allocate_mem_pin_bo_failed:
 300         amdgpu_bo_unreserve(bo);
 301 allocate_mem_reserve_bo_failed:
 302         amdgpu_bo_unref(&bo);
 303
 304         return r;
 305 }
 306
 307 void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj)
 308 {
 309         struct amdgpu_bo *bo = (struct amdgpu_bo *) mem_obj;
 310
 311         amdgpu_bo_reserve(bo, true);
 312         amdgpu_bo_kunmap(bo);
 313         amdgpu_bo_unpin(bo);
 314         amdgpu_bo_unreserve(bo);
 315         amdgpu_bo_unref(&(bo));
 316 }
 317
 318 int amdgpu_amdkfd_alloc_gws(struct kgd_dev *kgd, size_t size,
 319                                 void **mem_obj)
 320 {
 321         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 322         struct amdgpu_bo *bo = NULL;
 323         struct amdgpu_bo_param bp;
 324         int r;
 325
 326         memset(&bp, 0, sizeof(bp));
 327         bp.size = size;
 328         bp.byte_align = 1;
 329         bp.domain = AMDGPU_GEM_DOMAIN_GWS;
 330         bp.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
 331         bp.type = ttm_bo_type_device;
 332         bp.resv = NULL;
 333
 334         r = amdgpu_bo_create(adev, &bp, &bo);
 335         if (r) {
 336                 dev_err(adev->dev,
 337                         "failed to allocate gws BO for amdkfd (%d)\n", r);
 338                 return r;
 339         }
 340
 341         *mem_obj = bo;
 342         return 0;
 343 }
 344
 345 void amdgpu_amdkfd_free_gws(struct kgd_dev *kgd, void *mem_obj)
 346 {
 347         struct amdgpu_bo *bo = (struct amdgpu_bo *)mem_obj;
 348
 349         amdgpu_bo_unref(&bo);
 350 }
 351
 352 uint32_t amdgpu_amdkfd_get_fw_version(struct kgd_dev *kgd,
 353                                       enum kgd_engine_type type)
 354 {
 355         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 356
 357         switch (type) {
 358         case KGD_ENGINE_PFP:
 359                 return adev->gfx.pfp_fw_version;
 360
 361         case KGD_ENGINE_ME:
 362                 return adev->gfx.me_fw_version;
 363
 364         case KGD_ENGINE_CE:
 365                 return adev->gfx.ce_fw_version;
 366
 367         case KGD_ENGINE_MEC1:
 368                 return adev->gfx.mec_fw_version;
 369
 370         case KGD_ENGINE_MEC2:
 371                 return adev->gfx.mec2_fw_version;
 372
 373         case KGD_ENGINE_RLC:
 374                 return adev->gfx.rlc_fw_version;
 375
 376         case KGD_ENGINE_SDMA1:
 377                 return adev->sdma.instance[0].fw_version;
 378
 379         case KGD_ENGINE_SDMA2:
 380                 return adev->sdma.instance[1].fw_version;
 381
 382         default:
 383                 return 0;
 384         }
 385
 386         return 0;
 387 }
 388
 389 void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd,
 390                                       struct kfd_local_mem_info *mem_info)
 391 {
 392         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 393
 394         memset(mem_info, 0, sizeof(*mem_info));
 395
 396         mem_info->local_mem_size_public = adev->gmc.visible_vram_size;
 397         mem_info->local_mem_size_private = adev->gmc.real_vram_size -
 398                                                 adev->gmc.visible_vram_size;
 399
 400         mem_info->vram_width = adev->gmc.vram_width;
 401
 402         pr_debug("Address base: %pap public 0x%llx private 0x%llx\n",
 403                         &adev->gmc.aper_base,
 404                         mem_info->local_mem_size_public,
 405                         mem_info->local_mem_size_private);
 406
 407         if (amdgpu_sriov_vf(adev))
 408                 mem_info->mem_clk_max = adev->clock.default_mclk / 100;
 409         else if (adev->pm.dpm_enabled) {
 410                 if (amdgpu_emu_mode == 1)
 411                         mem_info->mem_clk_max = 0;
 412                 else
 413                         mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
 414         } else
 415                 mem_info->mem_clk_max = 100;
 416 }
 417
 418 uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct kgd_dev *kgd)
 419 {
 420         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 421
 422         if (adev->gfx.funcs->get_gpu_clock_counter)
 423                 return adev->gfx.funcs->get_gpu_clock_counter(adev);
 424         return 0;
 425 }
 426
 427 uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
 428 {
 429         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 430
 431         /* the sclk is in quantas of 10kHz */
 432         if (amdgpu_sriov_vf(adev))
 433                 return adev->clock.default_sclk / 100;
 434         else if (adev->pm.dpm_enabled)
 435                 return amdgpu_dpm_get_sclk(adev, false) / 100;
 436         else
 437                 return 100;
 438 }
 439
 440 void amdgpu_amdkfd_get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info)
 441 {
 442         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 443         struct amdgpu_cu_info acu_info = adev->gfx.cu_info;
 444
 445         memset(cu_info, 0, sizeof(*cu_info));
 446         if (sizeof(cu_info->cu_bitmap) != sizeof(acu_info.bitmap))
 447                 return;
 448
 449         cu_info->cu_active_number = acu_info.number;
 450         cu_info->cu_ao_mask = acu_info.ao_cu_mask;
 451         memcpy(&cu_info->cu_bitmap[0], &acu_info.bitmap[0],
 452                sizeof(acu_info.bitmap));
 453         cu_info->num_shader_engines = adev->gfx.config.max_shader_engines;
 454         cu_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
 455         cu_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
 456         cu_info->simd_per_cu = acu_info.simd_per_cu;
 457         cu_info->max_waves_per_simd = acu_info.max_waves_per_simd;
 458         cu_info->wave_front_size = acu_info.wave_front_size;
 459         cu_info->max_scratch_slots_per_cu = acu_info.max_scratch_slots_per_cu;
 460         cu_info->lds_size = acu_info.lds_size;
 461 }
 462
 463 int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int dma_buf_fd,
 464                                   struct kgd_dev **dma_buf_kgd,
 465                                   uint64_t *bo_size, void *metadata_buffer,
 466                                   size_t buffer_size, uint32_t *metadata_size,
 467                                   uint32_t *flags)
 468 {
 469         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 470         struct dma_buf *dma_buf;
 471         struct drm_gem_object *obj;
 472         struct amdgpu_bo *bo;
 473         uint64_t metadata_flags;
 474         int r = -EINVAL;
 475
 476         dma_buf = dma_buf_get(dma_buf_fd);
 477         if (IS_ERR(dma_buf))
 478                 return PTR_ERR(dma_buf);
 479
 480         if (dma_buf->ops != &amdgpu_dmabuf_ops)
 481                 /* Can't handle non-graphics buffers */
 482                 goto out_put;
 483
 484         obj = dma_buf->priv;
 485         if (obj->dev->driver != adev_to_drm(adev)->driver)
 486                 /* Can't handle buffers from different drivers */
 487                 goto out_put;
 488
 489         adev = drm_to_adev(obj->dev);
 490         bo = gem_to_amdgpu_bo(obj);
 491         if (!(bo->preferred_domains & (AMDGPU_GEM_DOMAIN_VRAM |
 492                                     AMDGPU_GEM_DOMAIN_GTT)))
 493                 /* Only VRAM and GTT BOs are supported */
 494                 goto out_put;
 495
 496         r = 0;
 497         if (dma_buf_kgd)
 498                 *dma_buf_kgd = (struct kgd_dev *)adev;
 499         if (bo_size)
 500                 *bo_size = amdgpu_bo_size(bo);
 501         if (metadata_size)
 502                 *metadata_size = bo->metadata_size;
 503         if (metadata_buffer)
 504                 r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
 505                                            metadata_size, &metadata_flags);
 506         if (flags) {
 507                 *flags = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ?
 508                                 KFD_IOC_ALLOC_MEM_FLAGS_VRAM
 509                                 : KFD_IOC_ALLOC_MEM_FLAGS_GTT;
 510
 511                 if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
 512                         *flags |= KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC;
 513         }
 514
 515 out_put:
 516         dma_buf_put(dma_buf);
 517         return r;
 518 }
 519
 520 uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd)
 521 {
 522         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 523         struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
 524
 525         return amdgpu_vram_mgr_usage(vram_man);
 526 }
 527
 528 uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd)
 529 {
 530         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 531
 532         return adev->gmc.xgmi.hive_id;
 533 }
 534
 535 uint64_t amdgpu_amdkfd_get_unique_id(struct kgd_dev *kgd)
 536 {
 537         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 538
 539         return adev->unique_id;
 540 }
 541
 542 uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *src)
 543 {
 544         struct amdgpu_device *peer_adev = (struct amdgpu_device *)src;
 545         struct amdgpu_device *adev = (struct amdgpu_device *)dst;
 546         int ret = amdgpu_xgmi_get_hops_count(adev, peer_adev);
 547
 548         if (ret < 0) {
 549                 DRM_ERROR("amdgpu: failed to get  xgmi hops count between node %d and %d. ret = %d\n",
 550                         adev->gmc.xgmi.physical_node_id,
 551                         peer_adev->gmc.xgmi.physical_node_id, ret);
 552                 ret = 0;
 553         }
 554         return  (uint8_t)ret;
 555 }
 556
 557 uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct kgd_dev *kgd)
 558 {
 559         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 560
 561         return adev->rmmio_remap.bus_addr;
 562 }
 563
 564 uint32_t amdgpu_amdkfd_get_num_gws(struct kgd_dev *kgd)
 565 {
 566         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 567
 568         return adev->gds.gws_size;
 569 }
 570
 571 uint32_t amdgpu_amdkfd_get_asic_rev_id(struct kgd_dev *kgd)
 572 {
 573         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 574
 575         return adev->rev_id;
 576 }
 577
 578 int amdgpu_amdkfd_get_noretry(struct kgd_dev *kgd)
 579 {
 580         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 581
 582         return adev->gmc.noretry;
 583 }
 584
 585 int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
 586                                 uint32_t vmid, uint64_t gpu_addr,
 587                                 uint32_t *ib_cmd, uint32_t ib_len)
 588 {
 589         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 590         struct amdgpu_job *job;
 591         struct amdgpu_ib *ib;
 592         struct amdgpu_ring *ring;
 593         struct dma_fence *f = NULL;
 594         int ret;
 595
 596         switch (engine) {
 597         case KGD_ENGINE_MEC1:
 598                 ring = &adev->gfx.compute_ring[0];
 599                 break;
 600         case KGD_ENGINE_SDMA1:
 601                 ring = &adev->sdma.instance[0].ring;
 602                 break;
 603         case KGD_ENGINE_SDMA2:
 604                 ring = &adev->sdma.instance[1].ring;
 605                 break;
 606         default:
 607                 pr_err("Invalid engine in IB submission: %d\n", engine);
 608                 ret = -EINVAL;
 609                 goto err;
 610         }
 611
 612         ret = amdgpu_job_alloc(adev, 1, &job, NULL);
 613         if (ret)
 614                 goto err;
 615
 616         ib = &job->ibs[0];
 617         memset(ib, 0, sizeof(struct amdgpu_ib));
 618
 619         ib->gpu_addr = gpu_addr;
 620         ib->ptr = ib_cmd;
 621         ib->length_dw = ib_len;
 622         /* This works for NO_HWS. TODO: need to handle without knowing VMID */
 623         job->vmid = vmid;
 624
 625         ret = amdgpu_ib_schedule(ring, 1, ib, job, &f);
 626
 627         if (ret) {
 628                 DRM_ERROR("amdgpu: failed to schedule IB.\n");
 629                 goto err_ib_sched;
 630         }
 631
 632         ret = dma_fence_wait(f, false);
 633
 634 err_ib_sched:
 635         dma_fence_put(f);
 636         amdgpu_job_free(job);
 637 err:
 638         return ret;
 639 }
 640
 641 void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
 642 {
 643         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 644
 645         /* Temp workaround to fix the soft hang observed in certain compute
 646          * applications if GFXOFF is enabled.
 647          */
 648         if (adev->asic_type == CHIP_SIENNA_CICHLID) {
 649                 pr_debug("GFXOFF is %s\n", idle ? "enabled" : "disabled");
 650                 amdgpu_gfx_off_ctrl(adev, idle);
 651         }
 652         amdgpu_dpm_switch_power_profile(adev,
 653                                         PP_SMC_POWER_PROFILE_COMPUTE,
 654                                         !idle);
 655 }
 656
 657 bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
 658 {
 659         if (adev->kfd.dev)
 660                 return vmid >= adev->vm_manager.first_kfd_vmid;
 661
 662         return false;
 663 }
 664
 665 int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct kgd_dev *kgd, uint16_t vmid)
 666 {
 667         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 668
 669         if (adev->family == AMDGPU_FAMILY_AI) {
 670                 int i;
 671
 672                 for (i = 0; i < adev->num_vmhubs; i++)
 673                         amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0);
 674         } else {
 675                 amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0);
 676         }
 677
 678         return 0;
 679 }
 680
 681 int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct kgd_dev *kgd, uint16_t pasid)
 682 {
 683         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 684         const uint32_t flush_type = 0;
 685         bool all_hub = false;
 686
 687         if (adev->family == AMDGPU_FAMILY_AI)
 688                 all_hub = true;
 689
 690         return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub);
 691 }
 692
 693 bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd)
 694 {
 695         struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
 696
 697         return adev->have_atomics_support;
 698 }
 699
 700 #ifndef CONFIG_HSA_AMD
 701 bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm)
 702 {
 703         return false;
 704 }
 705
 706 void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo)
 707 {
 708 }
 709
 710 int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo)
 711 {
 712         return 0;
 713 }
 714
 715 void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
 716                                         struct amdgpu_vm *vm)
 717 {
 718 }
 719
 720 struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
 721 {
 722         return NULL;
 723 }
 724
 725 int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
 726 {
 727         return 0;
 728 }
 729
 730 struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
 731                               unsigned int asic_type, bool vf)
 732 {
 733         return NULL;
 734 }
 735
 736 bool kgd2kfd_device_init(struct kfd_dev *kfd,
 737                          struct drm_device *ddev,
 738                          const struct kgd2kfd_shared_resources *gpu_resources)
 739 {
 740         return false;
 741 }
 742
 743 void kgd2kfd_device_exit(struct kfd_dev *kfd)
 744 {
 745 }
 746
 747 void kgd2kfd_exit(void)
 748 {
 749 }
 750
 751 void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
 752 {
 753 }
 754
 755 int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
 756 {
 757         return 0;
 758 }
 759
 760 int kgd2kfd_pre_reset(struct kfd_dev *kfd)
 761 {
 762         return 0;
 763 }
 764
 765 int kgd2kfd_post_reset(struct kfd_dev *kfd)
 766 {
 767         return 0;
 768 }
 769
 770 void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
 771 {
 772 }
 773
 774 void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd)
 775 {
 776 }
 777
 778 void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint32_t throttle_bitmask)
 779 {
 780 }
 781 #endif