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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 */
37uint64_t amdgpu_amdkfd_total_mem_size;
38
39int amdgpu_amdkfd_init(void)
40{
41 struct sysinfo si;
42 int ret;
43
44 si_meminfo(&si);
45 amdgpu_amdkfd_total_mem_size = si.totalram - si.totalhigh;
46 amdgpu_amdkfd_total_mem_size *= si.mem_unit;
47
48#ifdef CONFIG_HSA_AMD
49 ret = kgd2kfd_init();
50 amdgpu_amdkfd_gpuvm_init_mem_limits();
51#else
52 ret = -ENOENT;
53#endif
54
55 return ret;
56}
57
58void amdgpu_amdkfd_fini(void)
59{
60 kgd2kfd_exit();
61}
62
63void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
64{
65 bool vf = amdgpu_sriov_vf(adev);
66
67 adev->kfd.dev = kgd2kfd_probe((struct kgd_dev *)adev,
68 adev->pdev, adev->asic_type, vf);
69
70 if (adev->kfd.dev)
71 amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size;
72}
73
74/**
75 * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
76 * setup amdkfd
77 *
78 * @adev: amdgpu_device pointer
79 * @aperture_base: output returning doorbell aperture base physical address
80 * @aperture_size: output returning doorbell aperture size in bytes
81 * @start_offset: output returning # of doorbell bytes reserved for amdgpu.
82 *
83 * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
84 * takes doorbells required for its own rings and reports the setup to amdkfd.
85 * amdgpu reserved doorbells are at the start of the doorbell aperture.
86 */
87static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
88 phys_addr_t *aperture_base,
89 size_t *aperture_size,
90 size_t *start_offset)
91{
92 /*
93 * The first num_doorbells are used by amdgpu.
94 * amdkfd takes whatever's left in the aperture.
95 */
96 if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) {
97 *aperture_base = adev->doorbell.base;
98 *aperture_size = adev->doorbell.size;
99 *start_offset = adev->doorbell.num_doorbells * sizeof(u32);
100 } else {
101 *aperture_base = 0;
102 *aperture_size = 0;
103 *start_offset = 0;
104 }
105}
106
107void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
108{
109 int i;
110 int last_valid_bit;
111
112 if (adev->kfd.dev) {
113 struct kgd2kfd_shared_resources gpu_resources = {
114 .compute_vmid_bitmap =
115 ((1 << AMDGPU_NUM_VMID) - 1) -
116 ((1 << adev->vm_manager.first_kfd_vmid) - 1),
117 .num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec,
118 .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe,
119 .gpuvm_size = min(adev->vm_manager.max_pfn
120 << AMDGPU_GPU_PAGE_SHIFT,
121 AMDGPU_GMC_HOLE_START),
122 .drm_render_minor = adev->ddev->render->index,
123 .sdma_doorbell_idx = adev->doorbell_index.sdma_engine,
124
125 };
126
127 /* this is going to have a few of the MSBs set that we need to
128 * clear
129 */
130 bitmap_complement(gpu_resources.cp_queue_bitmap,
131 adev->gfx.mec.queue_bitmap,
132 KGD_MAX_QUEUES);
133
134 /* According to linux/bitmap.h we shouldn't use bitmap_clear if
135 * nbits is not compile time constant
136 */
137 last_valid_bit = 1 /* only first MEC can have compute queues */
138 * adev->gfx.mec.num_pipe_per_mec
139 * adev->gfx.mec.num_queue_per_pipe;
140 for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i)
141 clear_bit(i, gpu_resources.cp_queue_bitmap);
142
143 amdgpu_doorbell_get_kfd_info(adev,
144 &gpu_resources.doorbell_physical_address,
145 &gpu_resources.doorbell_aperture_size,
146 &gpu_resources.doorbell_start_offset);
147
148 /* Since SOC15, BIF starts to statically use the
149 * lower 12 bits of doorbell addresses for routing
150 * based on settings in registers like
151 * SDMA0_DOORBELL_RANGE etc..
152 * In order to route a doorbell to CP engine, the lower
153 * 12 bits of its address has to be outside the range
154 * set for SDMA, VCN, and IH blocks.
155 */
156 if (adev->asic_type >= CHIP_VEGA10) {
157 gpu_resources.non_cp_doorbells_start =
158 adev->doorbell_index.first_non_cp;
159 gpu_resources.non_cp_doorbells_end =
160 adev->doorbell_index.last_non_cp;
161 }
162
163 kgd2kfd_device_init(adev->kfd.dev, adev->ddev, &gpu_resources);
164 }
165}
166
167void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev)
168{
169 if (adev->kfd.dev) {
170 kgd2kfd_device_exit(adev->kfd.dev);
171 adev->kfd.dev = NULL;
172 }
173}
174
175void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
176 const void *ih_ring_entry)
177{
178 if (adev->kfd.dev)
179 kgd2kfd_interrupt(adev->kfd.dev, ih_ring_entry);
180}
181
182void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm)
183{
184 if (adev->kfd.dev)
185 kgd2kfd_suspend(adev->kfd.dev, run_pm);
186}
187
188int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm)
189{
190 int r = 0;
191
192 if (adev->kfd.dev)
193 r = kgd2kfd_resume(adev->kfd.dev, run_pm);
194
195 return r;
196}
197
198int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev)
199{
200 int r = 0;
201
202 if (adev->kfd.dev)
203 r = kgd2kfd_pre_reset(adev->kfd.dev);
204
205 return r;
206}
207
208int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev)
209{
210 int r = 0;
211
212 if (adev->kfd.dev)
213 r = kgd2kfd_post_reset(adev->kfd.dev);
214
215 return r;
216}
217
218void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd)
219{
220 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
221
222 if (amdgpu_device_should_recover_gpu(adev))
223 amdgpu_device_gpu_recover(adev, NULL);
224}
225
226int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
227 void **mem_obj, uint64_t *gpu_addr,
228 void **cpu_ptr, bool cp_mqd_gfx9)
229{
230 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
231 struct amdgpu_bo *bo = NULL;
232 struct amdgpu_bo_param bp;
233 int r;
234 void *cpu_ptr_tmp = NULL;
235
236 memset(&bp, 0, sizeof(bp));
237 bp.size = size;
238 bp.byte_align = PAGE_SIZE;
239 bp.domain = AMDGPU_GEM_DOMAIN_GTT;
240 bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
241 bp.type = ttm_bo_type_kernel;
242 bp.resv = NULL;
243
244 if (cp_mqd_gfx9)
245 bp.flags |= AMDGPU_GEM_CREATE_CP_MQD_GFX9;
246
247 r = amdgpu_bo_create(adev, &bp, &bo);
248 if (r) {
249 dev_err(adev->dev,
250 "failed to allocate BO for amdkfd (%d)\n", r);
251 return r;
252 }
253
254 /* map the buffer */
255 r = amdgpu_bo_reserve(bo, true);
256 if (r) {
257 dev_err(adev->dev, "(%d) failed to reserve bo for amdkfd\n", r);
258 goto allocate_mem_reserve_bo_failed;
259 }
260
261 r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT);
262 if (r) {
263 dev_err(adev->dev, "(%d) failed to pin bo for amdkfd\n", r);
264 goto allocate_mem_pin_bo_failed;
265 }
266
267 r = amdgpu_ttm_alloc_gart(&bo->tbo);
268 if (r) {
269 dev_err(adev->dev, "%p bind failed\n", bo);
270 goto allocate_mem_kmap_bo_failed;
271 }
272
273 r = amdgpu_bo_kmap(bo, &cpu_ptr_tmp);
274 if (r) {
275 dev_err(adev->dev,
276 "(%d) failed to map bo to kernel for amdkfd\n", r);
277 goto allocate_mem_kmap_bo_failed;
278 }
279
280 *mem_obj = bo;
281 *gpu_addr = amdgpu_bo_gpu_offset(bo);
282 *cpu_ptr = cpu_ptr_tmp;
283
284 amdgpu_bo_unreserve(bo);
285
286 return 0;
287
288allocate_mem_kmap_bo_failed:
289 amdgpu_bo_unpin(bo);
290allocate_mem_pin_bo_failed:
291 amdgpu_bo_unreserve(bo);
292allocate_mem_reserve_bo_failed:
293 amdgpu_bo_unref(&bo);
294
295 return r;
296}
297
298void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj)
299{
300 struct amdgpu_bo *bo = (struct amdgpu_bo *) mem_obj;
301
302 amdgpu_bo_reserve(bo, true);
303 amdgpu_bo_kunmap(bo);
304 amdgpu_bo_unpin(bo);
305 amdgpu_bo_unreserve(bo);
306 amdgpu_bo_unref(&(bo));
307}
308
309int amdgpu_amdkfd_alloc_gws(struct kgd_dev *kgd, size_t size,
310 void **mem_obj)
311{
312 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
313 struct amdgpu_bo *bo = NULL;
314 struct amdgpu_bo_param bp;
315 int r;
316
317 memset(&bp, 0, sizeof(bp));
318 bp.size = size;
319 bp.byte_align = 1;
320 bp.domain = AMDGPU_GEM_DOMAIN_GWS;
321 bp.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
322 bp.type = ttm_bo_type_device;
323 bp.resv = NULL;
324
325 r = amdgpu_bo_create(adev, &bp, &bo);
326 if (r) {
327 dev_err(adev->dev,
328 "failed to allocate gws BO for amdkfd (%d)\n", r);
329 return r;
330 }
331
332 *mem_obj = bo;
333 return 0;
334}
335
336void amdgpu_amdkfd_free_gws(struct kgd_dev *kgd, void *mem_obj)
337{
338 struct amdgpu_bo *bo = (struct amdgpu_bo *)mem_obj;
339
340 amdgpu_bo_unref(&bo);
341}
342
343uint32_t amdgpu_amdkfd_get_fw_version(struct kgd_dev *kgd,
344 enum kgd_engine_type type)
345{
346 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
347
348 switch (type) {
349 case KGD_ENGINE_PFP:
350 return adev->gfx.pfp_fw_version;
351
352 case KGD_ENGINE_ME:
353 return adev->gfx.me_fw_version;
354
355 case KGD_ENGINE_CE:
356 return adev->gfx.ce_fw_version;
357
358 case KGD_ENGINE_MEC1:
359 return adev->gfx.mec_fw_version;
360
361 case KGD_ENGINE_MEC2:
362 return adev->gfx.mec2_fw_version;
363
364 case KGD_ENGINE_RLC:
365 return adev->gfx.rlc_fw_version;
366
367 case KGD_ENGINE_SDMA1:
368 return adev->sdma.instance[0].fw_version;
369
370 case KGD_ENGINE_SDMA2:
371 return adev->sdma.instance[1].fw_version;
372
373 default:
374 return 0;
375 }
376
377 return 0;
378}
379
380void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd,
381 struct kfd_local_mem_info *mem_info)
382{
383 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
384 uint64_t address_mask = adev->dev->dma_mask ? ~*adev->dev->dma_mask :
385 ~((1ULL << 32) - 1);
386 resource_size_t aper_limit = adev->gmc.aper_base + adev->gmc.aper_size;
387
388 memset(mem_info, 0, sizeof(*mem_info));
389 if (!(adev->gmc.aper_base & address_mask || aper_limit & address_mask)) {
390 mem_info->local_mem_size_public = adev->gmc.visible_vram_size;
391 mem_info->local_mem_size_private = adev->gmc.real_vram_size -
392 adev->gmc.visible_vram_size;
393 } else {
394 mem_info->local_mem_size_public = 0;
395 mem_info->local_mem_size_private = adev->gmc.real_vram_size;
396 }
397 mem_info->vram_width = adev->gmc.vram_width;
398
399 pr_debug("Address base: %pap limit %pap public 0x%llx private 0x%llx\n",
400 &adev->gmc.aper_base, &aper_limit,
401 mem_info->local_mem_size_public,
402 mem_info->local_mem_size_private);
403
404 if (amdgpu_sriov_vf(adev))
405 mem_info->mem_clk_max = adev->clock.default_mclk / 100;
406 else if (adev->pm.dpm_enabled) {
407 if (amdgpu_emu_mode == 1)
408 mem_info->mem_clk_max = 0;
409 else
410 mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
411 } else
412 mem_info->mem_clk_max = 100;
413}
414
415uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct kgd_dev *kgd)
416{
417 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
418
419 if (adev->gfx.funcs->get_gpu_clock_counter)
420 return adev->gfx.funcs->get_gpu_clock_counter(adev);
421 return 0;
422}
423
424uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
425{
426 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
427
428 /* the sclk is in quantas of 10kHz */
429 if (amdgpu_sriov_vf(adev))
430 return adev->clock.default_sclk / 100;
431 else if (adev->pm.dpm_enabled)
432 return amdgpu_dpm_get_sclk(adev, false) / 100;
433 else
434 return 100;
435}
436
437void amdgpu_amdkfd_get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info)
438{
439 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
440 struct amdgpu_cu_info acu_info = adev->gfx.cu_info;
441
442 memset(cu_info, 0, sizeof(*cu_info));
443 if (sizeof(cu_info->cu_bitmap) != sizeof(acu_info.bitmap))
444 return;
445
446 cu_info->cu_active_number = acu_info.number;
447 cu_info->cu_ao_mask = acu_info.ao_cu_mask;
448 memcpy(&cu_info->cu_bitmap[0], &acu_info.bitmap[0],
449 sizeof(acu_info.bitmap));
450 cu_info->num_shader_engines = adev->gfx.config.max_shader_engines;
451 cu_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
452 cu_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
453 cu_info->simd_per_cu = acu_info.simd_per_cu;
454 cu_info->max_waves_per_simd = acu_info.max_waves_per_simd;
455 cu_info->wave_front_size = acu_info.wave_front_size;
456 cu_info->max_scratch_slots_per_cu = acu_info.max_scratch_slots_per_cu;
457 cu_info->lds_size = acu_info.lds_size;
458}
459
460int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int dma_buf_fd,
461 struct kgd_dev **dma_buf_kgd,
462 uint64_t *bo_size, void *metadata_buffer,
463 size_t buffer_size, uint32_t *metadata_size,
464 uint32_t *flags)
465{
466 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
467 struct dma_buf *dma_buf;
468 struct drm_gem_object *obj;
469 struct amdgpu_bo *bo;
470 uint64_t metadata_flags;
471 int r = -EINVAL;
472
473 dma_buf = dma_buf_get(dma_buf_fd);
474 if (IS_ERR(dma_buf))
475 return PTR_ERR(dma_buf);
476
477 if (dma_buf->ops != &amdgpu_dmabuf_ops)
478 /* Can't handle non-graphics buffers */
479 goto out_put;
480
481 obj = dma_buf->priv;
482 if (obj->dev->driver != adev->ddev->driver)
483 /* Can't handle buffers from different drivers */
484 goto out_put;
485
486 adev = obj->dev->dev_private;
487 bo = gem_to_amdgpu_bo(obj);
488 if (!(bo->preferred_domains & (AMDGPU_GEM_DOMAIN_VRAM |
489 AMDGPU_GEM_DOMAIN_GTT)))
490 /* Only VRAM and GTT BOs are supported */
491 goto out_put;
492
493 r = 0;
494 if (dma_buf_kgd)
495 *dma_buf_kgd = (struct kgd_dev *)adev;
496 if (bo_size)
497 *bo_size = amdgpu_bo_size(bo);
498 if (metadata_size)
499 *metadata_size = bo->metadata_size;
500 if (metadata_buffer)
501 r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
502 metadata_size, &metadata_flags);
503 if (flags) {
504 *flags = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ?
505 KFD_IOC_ALLOC_MEM_FLAGS_VRAM
506 : KFD_IOC_ALLOC_MEM_FLAGS_GTT;
507
508 if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
509 *flags |= KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC;
510 }
511
512out_put:
513 dma_buf_put(dma_buf);
514 return r;
515}
516
517uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd)
518{
519 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
520
521 return amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
522}
523
524uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd)
525{
526 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
527
528 return adev->gmc.xgmi.hive_id;
529}
530
531uint64_t amdgpu_amdkfd_get_unique_id(struct kgd_dev *kgd)
532{
533 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
534
535 return adev->unique_id;
536}
537
538uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *src)
539{
540 struct amdgpu_device *peer_adev = (struct amdgpu_device *)src;
541 struct amdgpu_device *adev = (struct amdgpu_device *)dst;
542 int ret = amdgpu_xgmi_get_hops_count(adev, peer_adev);
543
544 if (ret < 0) {
545 DRM_ERROR("amdgpu: failed to get xgmi hops count between node %d and %d. ret = %d\n",
546 adev->gmc.xgmi.physical_node_id,
547 peer_adev->gmc.xgmi.physical_node_id, ret);
548 ret = 0;
549 }
550 return (uint8_t)ret;
551}
552
553uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct kgd_dev *kgd)
554{
555 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
556
557 return adev->rmmio_remap.bus_addr;
558}
559
560uint32_t amdgpu_amdkfd_get_num_gws(struct kgd_dev *kgd)
561{
562 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
563
564 return adev->gds.gws_size;
565}
566
567uint32_t amdgpu_amdkfd_get_asic_rev_id(struct kgd_dev *kgd)
568{
569 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
570
571 return adev->rev_id;
572}
573
574int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
575 uint32_t vmid, uint64_t gpu_addr,
576 uint32_t *ib_cmd, uint32_t ib_len)
577{
578 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
579 struct amdgpu_job *job;
580 struct amdgpu_ib *ib;
581 struct amdgpu_ring *ring;
582 struct dma_fence *f = NULL;
583 int ret;
584
585 switch (engine) {
586 case KGD_ENGINE_MEC1:
587 ring = &adev->gfx.compute_ring[0];
588 break;
589 case KGD_ENGINE_SDMA1:
590 ring = &adev->sdma.instance[0].ring;
591 break;
592 case KGD_ENGINE_SDMA2:
593 ring = &adev->sdma.instance[1].ring;
594 break;
595 default:
596 pr_err("Invalid engine in IB submission: %d\n", engine);
597 ret = -EINVAL;
598 goto err;
599 }
600
601 ret = amdgpu_job_alloc(adev, 1, &job, NULL);
602 if (ret)
603 goto err;
604
605 ib = &job->ibs[0];
606 memset(ib, 0, sizeof(struct amdgpu_ib));
607
608 ib->gpu_addr = gpu_addr;
609 ib->ptr = ib_cmd;
610 ib->length_dw = ib_len;
611 /* This works for NO_HWS. TODO: need to handle without knowing VMID */
612 job->vmid = vmid;
613
614 ret = amdgpu_ib_schedule(ring, 1, ib, job, &f);
615 if (ret) {
616 DRM_ERROR("amdgpu: failed to schedule IB.\n");
617 goto err_ib_sched;
618 }
619
620 ret = dma_fence_wait(f, false);
621
622err_ib_sched:
623 dma_fence_put(f);
624 amdgpu_job_free(job);
625err:
626 return ret;
627}
628
629void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
630{
631 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
632
633 amdgpu_dpm_switch_power_profile(adev,
634 PP_SMC_POWER_PROFILE_COMPUTE,
635 !idle);
636}
637
638bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
639{
640 if (adev->kfd.dev)
641 return vmid >= adev->vm_manager.first_kfd_vmid;
642
643 return false;
644}
645
646int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct kgd_dev *kgd, uint16_t vmid)
647{
648 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
649
650 if (adev->family == AMDGPU_FAMILY_AI) {
651 int i;
652
653 for (i = 0; i < adev->num_vmhubs; i++)
654 amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0);
655 } else {
656 amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0);
657 }
658
659 return 0;
660}
661
662int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct kgd_dev *kgd, uint16_t pasid)
663{
664 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
665 const uint32_t flush_type = 0;
666 bool all_hub = false;
667
668 if (adev->family == AMDGPU_FAMILY_AI)
669 all_hub = true;
670
671 return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub);
672}
673
674bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd)
675{
676 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
677
678 return adev->have_atomics_support;
679}
680
681#ifndef CONFIG_HSA_AMD
682bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm)
683{
684 return false;
685}
686
687void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo)
688{
689}
690
691int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo)
692{
693 return 0;
694}
695
696void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
697 struct amdgpu_vm *vm)
698{
699}
700
701struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
702{
703 return NULL;
704}
705
706int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
707{
708 return 0;
709}
710
711struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
712 unsigned int asic_type, bool vf)
713{
714 return NULL;
715}
716
717bool kgd2kfd_device_init(struct kfd_dev *kfd,
718 struct drm_device *ddev,
719 const struct kgd2kfd_shared_resources *gpu_resources)
720{
721 return false;
722}
723
724void kgd2kfd_device_exit(struct kfd_dev *kfd)
725{
726}
727
728void kgd2kfd_exit(void)
729{
730}
731
732void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
733{
734}
735
736int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
737{
738 return 0;
739}
740
741int kgd2kfd_pre_reset(struct kfd_dev *kfd)
742{
743 return 0;
744}
745
746int kgd2kfd_post_reset(struct kfd_dev *kfd)
747{
748 return 0;
749}
750
751void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
752{
753}
754
755void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd)
756{
757}
758#endif
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
33static const unsigned int compute_vmid_bitmap = 0xFF00;
34
35/* Total memory size in system memory and all GPU VRAM. Used to
36 * estimate worst case amount of memory to reserve for page tables
37 */
38uint64_t amdgpu_amdkfd_total_mem_size;
39
40int amdgpu_amdkfd_init(void)
41{
42 struct sysinfo si;
43 int ret;
44
45 si_meminfo(&si);
46 amdgpu_amdkfd_total_mem_size = si.totalram - si.totalhigh;
47 amdgpu_amdkfd_total_mem_size *= si.mem_unit;
48
49#ifdef CONFIG_HSA_AMD
50 ret = kgd2kfd_init();
51 amdgpu_amdkfd_gpuvm_init_mem_limits();
52#else
53 ret = -ENOENT;
54#endif
55
56 return ret;
57}
58
59void amdgpu_amdkfd_fini(void)
60{
61 kgd2kfd_exit();
62}
63
64void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
65{
66 const struct kfd2kgd_calls *kfd2kgd;
67
68 switch (adev->asic_type) {
69#ifdef CONFIG_DRM_AMDGPU_CIK
70 case CHIP_KAVERI:
71 case CHIP_HAWAII:
72 kfd2kgd = amdgpu_amdkfd_gfx_7_get_functions();
73 break;
74#endif
75 case CHIP_CARRIZO:
76 case CHIP_TONGA:
77 case CHIP_FIJI:
78 case CHIP_POLARIS10:
79 case CHIP_POLARIS11:
80 case CHIP_POLARIS12:
81 case CHIP_VEGAM:
82 kfd2kgd = amdgpu_amdkfd_gfx_8_0_get_functions();
83 break;
84 case CHIP_VEGA10:
85 case CHIP_VEGA12:
86 case CHIP_VEGA20:
87 case CHIP_RAVEN:
88 kfd2kgd = amdgpu_amdkfd_gfx_9_0_get_functions();
89 break;
90 case CHIP_ARCTURUS:
91 kfd2kgd = amdgpu_amdkfd_arcturus_get_functions();
92 break;
93 case CHIP_NAVI10:
94 case CHIP_NAVI14:
95 case CHIP_NAVI12:
96 kfd2kgd = amdgpu_amdkfd_gfx_10_0_get_functions();
97 break;
98 default:
99 dev_info(adev->dev, "kfd not supported on this ASIC\n");
100 return;
101 }
102
103 adev->kfd.dev = kgd2kfd_probe((struct kgd_dev *)adev,
104 adev->pdev, kfd2kgd);
105
106 if (adev->kfd.dev)
107 amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size;
108}
109
110/**
111 * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
112 * setup amdkfd
113 *
114 * @adev: amdgpu_device pointer
115 * @aperture_base: output returning doorbell aperture base physical address
116 * @aperture_size: output returning doorbell aperture size in bytes
117 * @start_offset: output returning # of doorbell bytes reserved for amdgpu.
118 *
119 * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
120 * takes doorbells required for its own rings and reports the setup to amdkfd.
121 * amdgpu reserved doorbells are at the start of the doorbell aperture.
122 */
123static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
124 phys_addr_t *aperture_base,
125 size_t *aperture_size,
126 size_t *start_offset)
127{
128 /*
129 * The first num_doorbells are used by amdgpu.
130 * amdkfd takes whatever's left in the aperture.
131 */
132 if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) {
133 *aperture_base = adev->doorbell.base;
134 *aperture_size = adev->doorbell.size;
135 *start_offset = adev->doorbell.num_doorbells * sizeof(u32);
136 } else {
137 *aperture_base = 0;
138 *aperture_size = 0;
139 *start_offset = 0;
140 }
141}
142
143void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
144{
145 int i;
146 int last_valid_bit;
147
148 if (adev->kfd.dev) {
149 struct kgd2kfd_shared_resources gpu_resources = {
150 .compute_vmid_bitmap = compute_vmid_bitmap,
151 .num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec,
152 .num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe,
153 .gpuvm_size = min(adev->vm_manager.max_pfn
154 << AMDGPU_GPU_PAGE_SHIFT,
155 AMDGPU_GMC_HOLE_START),
156 .drm_render_minor = adev->ddev->render->index,
157 .sdma_doorbell_idx = adev->doorbell_index.sdma_engine,
158
159 };
160
161 /* this is going to have a few of the MSBs set that we need to
162 * clear
163 */
164 bitmap_complement(gpu_resources.queue_bitmap,
165 adev->gfx.mec.queue_bitmap,
166 KGD_MAX_QUEUES);
167
168 /* remove the KIQ bit as well */
169 if (adev->gfx.kiq.ring.sched.ready)
170 clear_bit(amdgpu_gfx_mec_queue_to_bit(adev,
171 adev->gfx.kiq.ring.me - 1,
172 adev->gfx.kiq.ring.pipe,
173 adev->gfx.kiq.ring.queue),
174 gpu_resources.queue_bitmap);
175
176 /* According to linux/bitmap.h we shouldn't use bitmap_clear if
177 * nbits is not compile time constant
178 */
179 last_valid_bit = 1 /* only first MEC can have compute queues */
180 * adev->gfx.mec.num_pipe_per_mec
181 * adev->gfx.mec.num_queue_per_pipe;
182 for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i)
183 clear_bit(i, gpu_resources.queue_bitmap);
184
185 amdgpu_doorbell_get_kfd_info(adev,
186 &gpu_resources.doorbell_physical_address,
187 &gpu_resources.doorbell_aperture_size,
188 &gpu_resources.doorbell_start_offset);
189
190 /* Since SOC15, BIF starts to statically use the
191 * lower 12 bits of doorbell addresses for routing
192 * based on settings in registers like
193 * SDMA0_DOORBELL_RANGE etc..
194 * In order to route a doorbell to CP engine, the lower
195 * 12 bits of its address has to be outside the range
196 * set for SDMA, VCN, and IH blocks.
197 */
198 if (adev->asic_type >= CHIP_VEGA10) {
199 gpu_resources.non_cp_doorbells_start =
200 adev->doorbell_index.first_non_cp;
201 gpu_resources.non_cp_doorbells_end =
202 adev->doorbell_index.last_non_cp;
203 }
204
205 kgd2kfd_device_init(adev->kfd.dev, &gpu_resources);
206 }
207}
208
209void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev)
210{
211 if (adev->kfd.dev) {
212 kgd2kfd_device_exit(adev->kfd.dev);
213 adev->kfd.dev = NULL;
214 }
215}
216
217void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
218 const void *ih_ring_entry)
219{
220 if (adev->kfd.dev)
221 kgd2kfd_interrupt(adev->kfd.dev, ih_ring_entry);
222}
223
224void amdgpu_amdkfd_suspend(struct amdgpu_device *adev)
225{
226 if (adev->kfd.dev)
227 kgd2kfd_suspend(adev->kfd.dev);
228}
229
230int amdgpu_amdkfd_resume(struct amdgpu_device *adev)
231{
232 int r = 0;
233
234 if (adev->kfd.dev)
235 r = kgd2kfd_resume(adev->kfd.dev);
236
237 return r;
238}
239
240int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev)
241{
242 int r = 0;
243
244 if (adev->kfd.dev)
245 r = kgd2kfd_pre_reset(adev->kfd.dev);
246
247 return r;
248}
249
250int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev)
251{
252 int r = 0;
253
254 if (adev->kfd.dev)
255 r = kgd2kfd_post_reset(adev->kfd.dev);
256
257 return r;
258}
259
260void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd)
261{
262 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
263
264 if (amdgpu_device_should_recover_gpu(adev))
265 amdgpu_device_gpu_recover(adev, NULL);
266}
267
268int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
269 void **mem_obj, uint64_t *gpu_addr,
270 void **cpu_ptr, bool mqd_gfx9)
271{
272 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
273 struct amdgpu_bo *bo = NULL;
274 struct amdgpu_bo_param bp;
275 int r;
276 void *cpu_ptr_tmp = NULL;
277
278 memset(&bp, 0, sizeof(bp));
279 bp.size = size;
280 bp.byte_align = PAGE_SIZE;
281 bp.domain = AMDGPU_GEM_DOMAIN_GTT;
282 bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
283 bp.type = ttm_bo_type_kernel;
284 bp.resv = NULL;
285
286 if (mqd_gfx9)
287 bp.flags |= AMDGPU_GEM_CREATE_MQD_GFX9;
288
289 r = amdgpu_bo_create(adev, &bp, &bo);
290 if (r) {
291 dev_err(adev->dev,
292 "failed to allocate BO for amdkfd (%d)\n", r);
293 return r;
294 }
295
296 /* map the buffer */
297 r = amdgpu_bo_reserve(bo, true);
298 if (r) {
299 dev_err(adev->dev, "(%d) failed to reserve bo for amdkfd\n", r);
300 goto allocate_mem_reserve_bo_failed;
301 }
302
303 r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT);
304 if (r) {
305 dev_err(adev->dev, "(%d) failed to pin bo for amdkfd\n", r);
306 goto allocate_mem_pin_bo_failed;
307 }
308
309 r = amdgpu_ttm_alloc_gart(&bo->tbo);
310 if (r) {
311 dev_err(adev->dev, "%p bind failed\n", bo);
312 goto allocate_mem_kmap_bo_failed;
313 }
314
315 r = amdgpu_bo_kmap(bo, &cpu_ptr_tmp);
316 if (r) {
317 dev_err(adev->dev,
318 "(%d) failed to map bo to kernel for amdkfd\n", r);
319 goto allocate_mem_kmap_bo_failed;
320 }
321
322 *mem_obj = bo;
323 *gpu_addr = amdgpu_bo_gpu_offset(bo);
324 *cpu_ptr = cpu_ptr_tmp;
325
326 amdgpu_bo_unreserve(bo);
327
328 return 0;
329
330allocate_mem_kmap_bo_failed:
331 amdgpu_bo_unpin(bo);
332allocate_mem_pin_bo_failed:
333 amdgpu_bo_unreserve(bo);
334allocate_mem_reserve_bo_failed:
335 amdgpu_bo_unref(&bo);
336
337 return r;
338}
339
340void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj)
341{
342 struct amdgpu_bo *bo = (struct amdgpu_bo *) mem_obj;
343
344 amdgpu_bo_reserve(bo, true);
345 amdgpu_bo_kunmap(bo);
346 amdgpu_bo_unpin(bo);
347 amdgpu_bo_unreserve(bo);
348 amdgpu_bo_unref(&(bo));
349}
350
351int amdgpu_amdkfd_alloc_gws(struct kgd_dev *kgd, size_t size,
352 void **mem_obj)
353{
354 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
355 struct amdgpu_bo *bo = NULL;
356 struct amdgpu_bo_param bp;
357 int r;
358
359 memset(&bp, 0, sizeof(bp));
360 bp.size = size;
361 bp.byte_align = 1;
362 bp.domain = AMDGPU_GEM_DOMAIN_GWS;
363 bp.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
364 bp.type = ttm_bo_type_device;
365 bp.resv = NULL;
366
367 r = amdgpu_bo_create(adev, &bp, &bo);
368 if (r) {
369 dev_err(adev->dev,
370 "failed to allocate gws BO for amdkfd (%d)\n", r);
371 return r;
372 }
373
374 *mem_obj = bo;
375 return 0;
376}
377
378void amdgpu_amdkfd_free_gws(struct kgd_dev *kgd, void *mem_obj)
379{
380 struct amdgpu_bo *bo = (struct amdgpu_bo *)mem_obj;
381
382 amdgpu_bo_unref(&bo);
383}
384
385uint32_t amdgpu_amdkfd_get_fw_version(struct kgd_dev *kgd,
386 enum kgd_engine_type type)
387{
388 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
389
390 switch (type) {
391 case KGD_ENGINE_PFP:
392 return adev->gfx.pfp_fw_version;
393
394 case KGD_ENGINE_ME:
395 return adev->gfx.me_fw_version;
396
397 case KGD_ENGINE_CE:
398 return adev->gfx.ce_fw_version;
399
400 case KGD_ENGINE_MEC1:
401 return adev->gfx.mec_fw_version;
402
403 case KGD_ENGINE_MEC2:
404 return adev->gfx.mec2_fw_version;
405
406 case KGD_ENGINE_RLC:
407 return adev->gfx.rlc_fw_version;
408
409 case KGD_ENGINE_SDMA1:
410 return adev->sdma.instance[0].fw_version;
411
412 case KGD_ENGINE_SDMA2:
413 return adev->sdma.instance[1].fw_version;
414
415 default:
416 return 0;
417 }
418
419 return 0;
420}
421
422void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd,
423 struct kfd_local_mem_info *mem_info)
424{
425 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
426 uint64_t address_mask = adev->dev->dma_mask ? ~*adev->dev->dma_mask :
427 ~((1ULL << 32) - 1);
428 resource_size_t aper_limit = adev->gmc.aper_base + adev->gmc.aper_size;
429
430 memset(mem_info, 0, sizeof(*mem_info));
431 if (!(adev->gmc.aper_base & address_mask || aper_limit & address_mask)) {
432 mem_info->local_mem_size_public = adev->gmc.visible_vram_size;
433 mem_info->local_mem_size_private = adev->gmc.real_vram_size -
434 adev->gmc.visible_vram_size;
435 } else {
436 mem_info->local_mem_size_public = 0;
437 mem_info->local_mem_size_private = adev->gmc.real_vram_size;
438 }
439 mem_info->vram_width = adev->gmc.vram_width;
440
441 pr_debug("Address base: %pap limit %pap public 0x%llx private 0x%llx\n",
442 &adev->gmc.aper_base, &aper_limit,
443 mem_info->local_mem_size_public,
444 mem_info->local_mem_size_private);
445
446 if (amdgpu_sriov_vf(adev))
447 mem_info->mem_clk_max = adev->clock.default_mclk / 100;
448 else if (adev->powerplay.pp_funcs) {
449 if (amdgpu_emu_mode == 1)
450 mem_info->mem_clk_max = 0;
451 else
452 mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
453 } else
454 mem_info->mem_clk_max = 100;
455}
456
457uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct kgd_dev *kgd)
458{
459 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
460
461 if (adev->gfx.funcs->get_gpu_clock_counter)
462 return adev->gfx.funcs->get_gpu_clock_counter(adev);
463 return 0;
464}
465
466uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
467{
468 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
469
470 /* the sclk is in quantas of 10kHz */
471 if (amdgpu_sriov_vf(adev))
472 return adev->clock.default_sclk / 100;
473 else if (adev->powerplay.pp_funcs)
474 return amdgpu_dpm_get_sclk(adev, false) / 100;
475 else
476 return 100;
477}
478
479void amdgpu_amdkfd_get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info)
480{
481 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
482 struct amdgpu_cu_info acu_info = adev->gfx.cu_info;
483
484 memset(cu_info, 0, sizeof(*cu_info));
485 if (sizeof(cu_info->cu_bitmap) != sizeof(acu_info.bitmap))
486 return;
487
488 cu_info->cu_active_number = acu_info.number;
489 cu_info->cu_ao_mask = acu_info.ao_cu_mask;
490 memcpy(&cu_info->cu_bitmap[0], &acu_info.bitmap[0],
491 sizeof(acu_info.bitmap));
492 cu_info->num_shader_engines = adev->gfx.config.max_shader_engines;
493 cu_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
494 cu_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
495 cu_info->simd_per_cu = acu_info.simd_per_cu;
496 cu_info->max_waves_per_simd = acu_info.max_waves_per_simd;
497 cu_info->wave_front_size = acu_info.wave_front_size;
498 cu_info->max_scratch_slots_per_cu = acu_info.max_scratch_slots_per_cu;
499 cu_info->lds_size = acu_info.lds_size;
500}
501
502int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int dma_buf_fd,
503 struct kgd_dev **dma_buf_kgd,
504 uint64_t *bo_size, void *metadata_buffer,
505 size_t buffer_size, uint32_t *metadata_size,
506 uint32_t *flags)
507{
508 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
509 struct dma_buf *dma_buf;
510 struct drm_gem_object *obj;
511 struct amdgpu_bo *bo;
512 uint64_t metadata_flags;
513 int r = -EINVAL;
514
515 dma_buf = dma_buf_get(dma_buf_fd);
516 if (IS_ERR(dma_buf))
517 return PTR_ERR(dma_buf);
518
519 if (dma_buf->ops != &amdgpu_dmabuf_ops)
520 /* Can't handle non-graphics buffers */
521 goto out_put;
522
523 obj = dma_buf->priv;
524 if (obj->dev->driver != adev->ddev->driver)
525 /* Can't handle buffers from different drivers */
526 goto out_put;
527
528 adev = obj->dev->dev_private;
529 bo = gem_to_amdgpu_bo(obj);
530 if (!(bo->preferred_domains & (AMDGPU_GEM_DOMAIN_VRAM |
531 AMDGPU_GEM_DOMAIN_GTT)))
532 /* Only VRAM and GTT BOs are supported */
533 goto out_put;
534
535 r = 0;
536 if (dma_buf_kgd)
537 *dma_buf_kgd = (struct kgd_dev *)adev;
538 if (bo_size)
539 *bo_size = amdgpu_bo_size(bo);
540 if (metadata_size)
541 *metadata_size = bo->metadata_size;
542 if (metadata_buffer)
543 r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
544 metadata_size, &metadata_flags);
545 if (flags) {
546 *flags = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ?
547 ALLOC_MEM_FLAGS_VRAM : ALLOC_MEM_FLAGS_GTT;
548
549 if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
550 *flags |= ALLOC_MEM_FLAGS_PUBLIC;
551 }
552
553out_put:
554 dma_buf_put(dma_buf);
555 return r;
556}
557
558uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd)
559{
560 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
561
562 return amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
563}
564
565uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd)
566{
567 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
568
569 return adev->gmc.xgmi.hive_id;
570}
571uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *src)
572{
573 struct amdgpu_device *peer_adev = (struct amdgpu_device *)src;
574 struct amdgpu_device *adev = (struct amdgpu_device *)dst;
575 int ret = amdgpu_xgmi_get_hops_count(adev, peer_adev);
576
577 if (ret < 0) {
578 DRM_ERROR("amdgpu: failed to get xgmi hops count between node %d and %d. ret = %d\n",
579 adev->gmc.xgmi.physical_node_id,
580 peer_adev->gmc.xgmi.physical_node_id, ret);
581 ret = 0;
582 }
583 return (uint8_t)ret;
584}
585
586uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct kgd_dev *kgd)
587{
588 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
589
590 return adev->rmmio_remap.bus_addr;
591}
592
593uint32_t amdgpu_amdkfd_get_num_gws(struct kgd_dev *kgd)
594{
595 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
596
597 return adev->gds.gws_size;
598}
599
600int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
601 uint32_t vmid, uint64_t gpu_addr,
602 uint32_t *ib_cmd, uint32_t ib_len)
603{
604 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
605 struct amdgpu_job *job;
606 struct amdgpu_ib *ib;
607 struct amdgpu_ring *ring;
608 struct dma_fence *f = NULL;
609 int ret;
610
611 switch (engine) {
612 case KGD_ENGINE_MEC1:
613 ring = &adev->gfx.compute_ring[0];
614 break;
615 case KGD_ENGINE_SDMA1:
616 ring = &adev->sdma.instance[0].ring;
617 break;
618 case KGD_ENGINE_SDMA2:
619 ring = &adev->sdma.instance[1].ring;
620 break;
621 default:
622 pr_err("Invalid engine in IB submission: %d\n", engine);
623 ret = -EINVAL;
624 goto err;
625 }
626
627 ret = amdgpu_job_alloc(adev, 1, &job, NULL);
628 if (ret)
629 goto err;
630
631 ib = &job->ibs[0];
632 memset(ib, 0, sizeof(struct amdgpu_ib));
633
634 ib->gpu_addr = gpu_addr;
635 ib->ptr = ib_cmd;
636 ib->length_dw = ib_len;
637 /* This works for NO_HWS. TODO: need to handle without knowing VMID */
638 job->vmid = vmid;
639
640 ret = amdgpu_ib_schedule(ring, 1, ib, job, &f);
641 if (ret) {
642 DRM_ERROR("amdgpu: failed to schedule IB.\n");
643 goto err_ib_sched;
644 }
645
646 ret = dma_fence_wait(f, false);
647
648err_ib_sched:
649 dma_fence_put(f);
650 amdgpu_job_free(job);
651err:
652 return ret;
653}
654
655void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
656{
657 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
658
659 if (is_support_sw_smu(adev))
660 smu_switch_power_profile(&adev->smu,
661 PP_SMC_POWER_PROFILE_COMPUTE,
662 !idle);
663 else if (adev->powerplay.pp_funcs &&
664 adev->powerplay.pp_funcs->switch_power_profile)
665 amdgpu_dpm_switch_power_profile(adev,
666 PP_SMC_POWER_PROFILE_COMPUTE,
667 !idle);
668}
669
670bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
671{
672 if (adev->kfd.dev) {
673 if ((1 << vmid) & compute_vmid_bitmap)
674 return true;
675 }
676
677 return false;
678}
679
680bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd)
681{
682 struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
683
684 return adev->have_atomics_support;
685}
686
687#ifndef CONFIG_HSA_AMD
688bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm)
689{
690 return false;
691}
692
693void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo)
694{
695}
696
697void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
698 struct amdgpu_vm *vm)
699{
700}
701
702struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
703{
704 return NULL;
705}
706
707int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
708{
709 return 0;
710}
711
712struct kfd2kgd_calls *amdgpu_amdkfd_gfx_7_get_functions(void)
713{
714 return NULL;
715}
716
717struct kfd2kgd_calls *amdgpu_amdkfd_gfx_8_0_get_functions(void)
718{
719 return NULL;
720}
721
722struct kfd2kgd_calls *amdgpu_amdkfd_gfx_9_0_get_functions(void)
723{
724 return NULL;
725}
726
727struct kfd2kgd_calls *amdgpu_amdkfd_arcturus_get_functions(void)
728{
729 return NULL;
730}
731
732struct kfd2kgd_calls *amdgpu_amdkfd_gfx_10_0_get_functions(void)
733{
734 return NULL;
735}
736
737struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
738 const struct kfd2kgd_calls *f2g)
739{
740 return NULL;
741}
742
743bool kgd2kfd_device_init(struct kfd_dev *kfd,
744 const struct kgd2kfd_shared_resources *gpu_resources)
745{
746 return false;
747}
748
749void kgd2kfd_device_exit(struct kfd_dev *kfd)
750{
751}
752
753void kgd2kfd_exit(void)
754{
755}
756
757void kgd2kfd_suspend(struct kfd_dev *kfd)
758{
759}
760
761int kgd2kfd_resume(struct kfd_dev *kfd)
762{
763 return 0;
764}
765
766int kgd2kfd_pre_reset(struct kfd_dev *kfd)
767{
768 return 0;
769}
770
771int kgd2kfd_post_reset(struct kfd_dev *kfd)
772{
773 return 0;
774}
775
776void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
777{
778}
779
780void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd)
781{
782}
783#endif