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[linux.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_mes.c
1 /*
2  * Copyright 2019 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23
24 #include <linux/firmware.h>
25 #include <drm/drm_exec.h>
26
27 #include "amdgpu_mes.h"
28 #include "amdgpu.h"
29 #include "soc15_common.h"
30 #include "amdgpu_mes_ctx.h"
31
32 #define AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS 1024
33 #define AMDGPU_ONE_DOORBELL_SIZE 8
34
35 int amdgpu_mes_doorbell_process_slice(struct amdgpu_device *adev)
36 {
37         return roundup(AMDGPU_ONE_DOORBELL_SIZE *
38                        AMDGPU_MES_MAX_NUM_OF_QUEUES_PER_PROCESS,
39                        PAGE_SIZE);
40 }
41
42 static int amdgpu_mes_kernel_doorbell_get(struct amdgpu_device *adev,
43                                          struct amdgpu_mes_process *process,
44                                          int ip_type, uint64_t *doorbell_index)
45 {
46         unsigned int offset, found;
47         struct amdgpu_mes *mes = &adev->mes;
48
49         if (ip_type == AMDGPU_RING_TYPE_SDMA)
50                 offset = adev->doorbell_index.sdma_engine[0];
51         else
52                 offset = 0;
53
54         found = find_next_zero_bit(mes->doorbell_bitmap, mes->num_mes_dbs, offset);
55         if (found >= mes->num_mes_dbs) {
56                 DRM_WARN("No doorbell available\n");
57                 return -ENOSPC;
58         }
59
60         set_bit(found, mes->doorbell_bitmap);
61
62         /* Get the absolute doorbell index on BAR */
63         *doorbell_index = mes->db_start_dw_offset + found * 2;
64         return 0;
65 }
66
67 static void amdgpu_mes_kernel_doorbell_free(struct amdgpu_device *adev,
68                                            struct amdgpu_mes_process *process,
69                                            uint32_t doorbell_index)
70 {
71         unsigned int old, rel_index;
72         struct amdgpu_mes *mes = &adev->mes;
73
74         /* Find the relative index of the doorbell in this object */
75         rel_index = (doorbell_index - mes->db_start_dw_offset) / 2;
76         old = test_and_clear_bit(rel_index, mes->doorbell_bitmap);
77         WARN_ON(!old);
78 }
79
80 static int amdgpu_mes_doorbell_init(struct amdgpu_device *adev)
81 {
82         int i;
83         struct amdgpu_mes *mes = &adev->mes;
84
85         /* Bitmap for dynamic allocation of kernel doorbells */
86         mes->doorbell_bitmap = bitmap_zalloc(PAGE_SIZE / sizeof(u32), GFP_KERNEL);
87         if (!mes->doorbell_bitmap) {
88                 DRM_ERROR("Failed to allocate MES doorbell bitmap\n");
89                 return -ENOMEM;
90         }
91
92         mes->num_mes_dbs = PAGE_SIZE / AMDGPU_ONE_DOORBELL_SIZE;
93         for (i = 0; i < AMDGPU_MES_PRIORITY_NUM_LEVELS; i++) {
94                 adev->mes.aggregated_doorbells[i] = mes->db_start_dw_offset + i * 2;
95                 set_bit(i, mes->doorbell_bitmap);
96         }
97
98         return 0;
99 }
100
101 static void amdgpu_mes_doorbell_free(struct amdgpu_device *adev)
102 {
103         bitmap_free(adev->mes.doorbell_bitmap);
104 }
105
106 int amdgpu_mes_init(struct amdgpu_device *adev)
107 {
108         int i, r;
109
110         adev->mes.adev = adev;
111
112         idr_init(&adev->mes.pasid_idr);
113         idr_init(&adev->mes.gang_id_idr);
114         idr_init(&adev->mes.queue_id_idr);
115         ida_init(&adev->mes.doorbell_ida);
116         spin_lock_init(&adev->mes.queue_id_lock);
117         spin_lock_init(&adev->mes.ring_lock);
118         mutex_init(&adev->mes.mutex_hidden);
119
120         adev->mes.total_max_queue = AMDGPU_FENCE_MES_QUEUE_ID_MASK;
121         adev->mes.vmid_mask_mmhub = 0xffffff00;
122         adev->mes.vmid_mask_gfxhub = 0xffffff00;
123
124         for (i = 0; i < AMDGPU_MES_MAX_COMPUTE_PIPES; i++) {
125                 /* use only 1st MEC pipes */
126                 if (i >= 4)
127                         continue;
128                 adev->mes.compute_hqd_mask[i] = 0xc;
129         }
130
131         for (i = 0; i < AMDGPU_MES_MAX_GFX_PIPES; i++)
132                 adev->mes.gfx_hqd_mask[i] = i ? 0 : 0xfffffffe;
133
134         for (i = 0; i < AMDGPU_MES_MAX_SDMA_PIPES; i++) {
135                 if (amdgpu_ip_version(adev, SDMA0_HWIP, 0) <
136                     IP_VERSION(6, 0, 0))
137                         adev->mes.sdma_hqd_mask[i] = i ? 0 : 0x3fc;
138                 /* zero sdma_hqd_mask for non-existent engine */
139                 else if (adev->sdma.num_instances == 1)
140                         adev->mes.sdma_hqd_mask[i] = i ? 0 : 0xfc;
141                 else
142                         adev->mes.sdma_hqd_mask[i] = 0xfc;
143         }
144
145         r = amdgpu_device_wb_get(adev, &adev->mes.sch_ctx_offs);
146         if (r) {
147                 dev_err(adev->dev,
148                         "(%d) ring trail_fence_offs wb alloc failed\n", r);
149                 goto error_ids;
150         }
151         adev->mes.sch_ctx_gpu_addr =
152                 adev->wb.gpu_addr + (adev->mes.sch_ctx_offs * 4);
153         adev->mes.sch_ctx_ptr =
154                 (uint64_t *)&adev->wb.wb[adev->mes.sch_ctx_offs];
155
156         r = amdgpu_device_wb_get(adev, &adev->mes.query_status_fence_offs);
157         if (r) {
158                 amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
159                 dev_err(adev->dev,
160                         "(%d) query_status_fence_offs wb alloc failed\n", r);
161                 goto error_ids;
162         }
163         adev->mes.query_status_fence_gpu_addr =
164                 adev->wb.gpu_addr + (adev->mes.query_status_fence_offs * 4);
165         adev->mes.query_status_fence_ptr =
166                 (uint64_t *)&adev->wb.wb[adev->mes.query_status_fence_offs];
167
168         r = amdgpu_device_wb_get(adev, &adev->mes.read_val_offs);
169         if (r) {
170                 amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
171                 amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
172                 dev_err(adev->dev,
173                         "(%d) read_val_offs alloc failed\n", r);
174                 goto error_ids;
175         }
176         adev->mes.read_val_gpu_addr =
177                 adev->wb.gpu_addr + (adev->mes.read_val_offs * 4);
178         adev->mes.read_val_ptr =
179                 (uint32_t *)&adev->wb.wb[adev->mes.read_val_offs];
180
181         r = amdgpu_mes_doorbell_init(adev);
182         if (r)
183                 goto error;
184
185         return 0;
186
187 error:
188         amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
189         amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
190         amdgpu_device_wb_free(adev, adev->mes.read_val_offs);
191 error_ids:
192         idr_destroy(&adev->mes.pasid_idr);
193         idr_destroy(&adev->mes.gang_id_idr);
194         idr_destroy(&adev->mes.queue_id_idr);
195         ida_destroy(&adev->mes.doorbell_ida);
196         mutex_destroy(&adev->mes.mutex_hidden);
197         return r;
198 }
199
200 void amdgpu_mes_fini(struct amdgpu_device *adev)
201 {
202         amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
203         amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
204         amdgpu_device_wb_free(adev, adev->mes.read_val_offs);
205         amdgpu_mes_doorbell_free(adev);
206
207         idr_destroy(&adev->mes.pasid_idr);
208         idr_destroy(&adev->mes.gang_id_idr);
209         idr_destroy(&adev->mes.queue_id_idr);
210         ida_destroy(&adev->mes.doorbell_ida);
211         mutex_destroy(&adev->mes.mutex_hidden);
212 }
213
214 static void amdgpu_mes_queue_free_mqd(struct amdgpu_mes_queue *q)
215 {
216         amdgpu_bo_free_kernel(&q->mqd_obj,
217                               &q->mqd_gpu_addr,
218                               &q->mqd_cpu_ptr);
219 }
220
221 int amdgpu_mes_create_process(struct amdgpu_device *adev, int pasid,
222                               struct amdgpu_vm *vm)
223 {
224         struct amdgpu_mes_process *process;
225         int r;
226
227         /* allocate the mes process buffer */
228         process = kzalloc(sizeof(struct amdgpu_mes_process), GFP_KERNEL);
229         if (!process) {
230                 DRM_ERROR("no more memory to create mes process\n");
231                 return -ENOMEM;
232         }
233
234         /* allocate the process context bo and map it */
235         r = amdgpu_bo_create_kernel(adev, AMDGPU_MES_PROC_CTX_SIZE, PAGE_SIZE,
236                                     AMDGPU_GEM_DOMAIN_GTT,
237                                     &process->proc_ctx_bo,
238                                     &process->proc_ctx_gpu_addr,
239                                     &process->proc_ctx_cpu_ptr);
240         if (r) {
241                 DRM_ERROR("failed to allocate process context bo\n");
242                 goto clean_up_memory;
243         }
244         memset(process->proc_ctx_cpu_ptr, 0, AMDGPU_MES_PROC_CTX_SIZE);
245
246         /*
247          * Avoid taking any other locks under MES lock to avoid circular
248          * lock dependencies.
249          */
250         amdgpu_mes_lock(&adev->mes);
251
252         /* add the mes process to idr list */
253         r = idr_alloc(&adev->mes.pasid_idr, process, pasid, pasid + 1,
254                       GFP_KERNEL);
255         if (r < 0) {
256                 DRM_ERROR("failed to lock pasid=%d\n", pasid);
257                 goto clean_up_ctx;
258         }
259
260         INIT_LIST_HEAD(&process->gang_list);
261         process->vm = vm;
262         process->pasid = pasid;
263         process->process_quantum = adev->mes.default_process_quantum;
264         process->pd_gpu_addr = amdgpu_bo_gpu_offset(vm->root.bo);
265
266         amdgpu_mes_unlock(&adev->mes);
267         return 0;
268
269 clean_up_ctx:
270         amdgpu_mes_unlock(&adev->mes);
271         amdgpu_bo_free_kernel(&process->proc_ctx_bo,
272                               &process->proc_ctx_gpu_addr,
273                               &process->proc_ctx_cpu_ptr);
274 clean_up_memory:
275         kfree(process);
276         return r;
277 }
278
279 void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid)
280 {
281         struct amdgpu_mes_process *process;
282         struct amdgpu_mes_gang *gang, *tmp1;
283         struct amdgpu_mes_queue *queue, *tmp2;
284         struct mes_remove_queue_input queue_input;
285         unsigned long flags;
286         int r;
287
288         /*
289          * Avoid taking any other locks under MES lock to avoid circular
290          * lock dependencies.
291          */
292         amdgpu_mes_lock(&adev->mes);
293
294         process = idr_find(&adev->mes.pasid_idr, pasid);
295         if (!process) {
296                 DRM_WARN("pasid %d doesn't exist\n", pasid);
297                 amdgpu_mes_unlock(&adev->mes);
298                 return;
299         }
300
301         /* Remove all queues from hardware */
302         list_for_each_entry_safe(gang, tmp1, &process->gang_list, list) {
303                 list_for_each_entry_safe(queue, tmp2, &gang->queue_list, list) {
304                         spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
305                         idr_remove(&adev->mes.queue_id_idr, queue->queue_id);
306                         spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
307
308                         queue_input.doorbell_offset = queue->doorbell_off;
309                         queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
310
311                         r = adev->mes.funcs->remove_hw_queue(&adev->mes,
312                                                              &queue_input);
313                         if (r)
314                                 DRM_WARN("failed to remove hardware queue\n");
315                 }
316
317                 idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
318         }
319
320         idr_remove(&adev->mes.pasid_idr, pasid);
321         amdgpu_mes_unlock(&adev->mes);
322
323         /* free all memory allocated by the process */
324         list_for_each_entry_safe(gang, tmp1, &process->gang_list, list) {
325                 /* free all queues in the gang */
326                 list_for_each_entry_safe(queue, tmp2, &gang->queue_list, list) {
327                         amdgpu_mes_queue_free_mqd(queue);
328                         list_del(&queue->list);
329                         kfree(queue);
330                 }
331                 amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
332                                       &gang->gang_ctx_gpu_addr,
333                                       &gang->gang_ctx_cpu_ptr);
334                 list_del(&gang->list);
335                 kfree(gang);
336
337         }
338         amdgpu_bo_free_kernel(&process->proc_ctx_bo,
339                               &process->proc_ctx_gpu_addr,
340                               &process->proc_ctx_cpu_ptr);
341         kfree(process);
342 }
343
344 int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
345                         struct amdgpu_mes_gang_properties *gprops,
346                         int *gang_id)
347 {
348         struct amdgpu_mes_process *process;
349         struct amdgpu_mes_gang *gang;
350         int r;
351
352         /* allocate the mes gang buffer */
353         gang = kzalloc(sizeof(struct amdgpu_mes_gang), GFP_KERNEL);
354         if (!gang) {
355                 return -ENOMEM;
356         }
357
358         /* allocate the gang context bo and map it to cpu space */
359         r = amdgpu_bo_create_kernel(adev, AMDGPU_MES_GANG_CTX_SIZE, PAGE_SIZE,
360                                     AMDGPU_GEM_DOMAIN_GTT,
361                                     &gang->gang_ctx_bo,
362                                     &gang->gang_ctx_gpu_addr,
363                                     &gang->gang_ctx_cpu_ptr);
364         if (r) {
365                 DRM_ERROR("failed to allocate process context bo\n");
366                 goto clean_up_mem;
367         }
368         memset(gang->gang_ctx_cpu_ptr, 0, AMDGPU_MES_GANG_CTX_SIZE);
369
370         /*
371          * Avoid taking any other locks under MES lock to avoid circular
372          * lock dependencies.
373          */
374         amdgpu_mes_lock(&adev->mes);
375
376         process = idr_find(&adev->mes.pasid_idr, pasid);
377         if (!process) {
378                 DRM_ERROR("pasid %d doesn't exist\n", pasid);
379                 r = -EINVAL;
380                 goto clean_up_ctx;
381         }
382
383         /* add the mes gang to idr list */
384         r = idr_alloc(&adev->mes.gang_id_idr, gang, 1, 0,
385                       GFP_KERNEL);
386         if (r < 0) {
387                 DRM_ERROR("failed to allocate idr for gang\n");
388                 goto clean_up_ctx;
389         }
390
391         gang->gang_id = r;
392         *gang_id = r;
393
394         INIT_LIST_HEAD(&gang->queue_list);
395         gang->process = process;
396         gang->priority = gprops->priority;
397         gang->gang_quantum = gprops->gang_quantum ?
398                 gprops->gang_quantum : adev->mes.default_gang_quantum;
399         gang->global_priority_level = gprops->global_priority_level;
400         gang->inprocess_gang_priority = gprops->inprocess_gang_priority;
401         list_add_tail(&gang->list, &process->gang_list);
402
403         amdgpu_mes_unlock(&adev->mes);
404         return 0;
405
406 clean_up_ctx:
407         amdgpu_mes_unlock(&adev->mes);
408         amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
409                               &gang->gang_ctx_gpu_addr,
410                               &gang->gang_ctx_cpu_ptr);
411 clean_up_mem:
412         kfree(gang);
413         return r;
414 }
415
416 int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id)
417 {
418         struct amdgpu_mes_gang *gang;
419
420         /*
421          * Avoid taking any other locks under MES lock to avoid circular
422          * lock dependencies.
423          */
424         amdgpu_mes_lock(&adev->mes);
425
426         gang = idr_find(&adev->mes.gang_id_idr, gang_id);
427         if (!gang) {
428                 DRM_ERROR("gang id %d doesn't exist\n", gang_id);
429                 amdgpu_mes_unlock(&adev->mes);
430                 return -EINVAL;
431         }
432
433         if (!list_empty(&gang->queue_list)) {
434                 DRM_ERROR("queue list is not empty\n");
435                 amdgpu_mes_unlock(&adev->mes);
436                 return -EBUSY;
437         }
438
439         idr_remove(&adev->mes.gang_id_idr, gang->gang_id);
440         list_del(&gang->list);
441         amdgpu_mes_unlock(&adev->mes);
442
443         amdgpu_bo_free_kernel(&gang->gang_ctx_bo,
444                               &gang->gang_ctx_gpu_addr,
445                               &gang->gang_ctx_cpu_ptr);
446
447         kfree(gang);
448
449         return 0;
450 }
451
452 int amdgpu_mes_suspend(struct amdgpu_device *adev)
453 {
454         struct idr *idp;
455         struct amdgpu_mes_process *process;
456         struct amdgpu_mes_gang *gang;
457         struct mes_suspend_gang_input input;
458         int r, pasid;
459
460         /*
461          * Avoid taking any other locks under MES lock to avoid circular
462          * lock dependencies.
463          */
464         amdgpu_mes_lock(&adev->mes);
465
466         idp = &adev->mes.pasid_idr;
467
468         idr_for_each_entry(idp, process, pasid) {
469                 list_for_each_entry(gang, &process->gang_list, list) {
470                         r = adev->mes.funcs->suspend_gang(&adev->mes, &input);
471                         if (r)
472                                 DRM_ERROR("failed to suspend pasid %d gangid %d",
473                                          pasid, gang->gang_id);
474                 }
475         }
476
477         amdgpu_mes_unlock(&adev->mes);
478         return 0;
479 }
480
481 int amdgpu_mes_resume(struct amdgpu_device *adev)
482 {
483         struct idr *idp;
484         struct amdgpu_mes_process *process;
485         struct amdgpu_mes_gang *gang;
486         struct mes_resume_gang_input input;
487         int r, pasid;
488
489         /*
490          * Avoid taking any other locks under MES lock to avoid circular
491          * lock dependencies.
492          */
493         amdgpu_mes_lock(&adev->mes);
494
495         idp = &adev->mes.pasid_idr;
496
497         idr_for_each_entry(idp, process, pasid) {
498                 list_for_each_entry(gang, &process->gang_list, list) {
499                         r = adev->mes.funcs->resume_gang(&adev->mes, &input);
500                         if (r)
501                                 DRM_ERROR("failed to resume pasid %d gangid %d",
502                                          pasid, gang->gang_id);
503                 }
504         }
505
506         amdgpu_mes_unlock(&adev->mes);
507         return 0;
508 }
509
510 static int amdgpu_mes_queue_alloc_mqd(struct amdgpu_device *adev,
511                                      struct amdgpu_mes_queue *q,
512                                      struct amdgpu_mes_queue_properties *p)
513 {
514         struct amdgpu_mqd *mqd_mgr = &adev->mqds[p->queue_type];
515         u32 mqd_size = mqd_mgr->mqd_size;
516         int r;
517
518         r = amdgpu_bo_create_kernel(adev, mqd_size, PAGE_SIZE,
519                                     AMDGPU_GEM_DOMAIN_GTT,
520                                     &q->mqd_obj,
521                                     &q->mqd_gpu_addr, &q->mqd_cpu_ptr);
522         if (r) {
523                 dev_warn(adev->dev, "failed to create queue mqd bo (%d)", r);
524                 return r;
525         }
526         memset(q->mqd_cpu_ptr, 0, mqd_size);
527
528         r = amdgpu_bo_reserve(q->mqd_obj, false);
529         if (unlikely(r != 0))
530                 goto clean_up;
531
532         return 0;
533
534 clean_up:
535         amdgpu_bo_free_kernel(&q->mqd_obj,
536                               &q->mqd_gpu_addr,
537                               &q->mqd_cpu_ptr);
538         return r;
539 }
540
541 static void amdgpu_mes_queue_init_mqd(struct amdgpu_device *adev,
542                                      struct amdgpu_mes_queue *q,
543                                      struct amdgpu_mes_queue_properties *p)
544 {
545         struct amdgpu_mqd *mqd_mgr = &adev->mqds[p->queue_type];
546         struct amdgpu_mqd_prop mqd_prop = {0};
547
548         mqd_prop.mqd_gpu_addr = q->mqd_gpu_addr;
549         mqd_prop.hqd_base_gpu_addr = p->hqd_base_gpu_addr;
550         mqd_prop.rptr_gpu_addr = p->rptr_gpu_addr;
551         mqd_prop.wptr_gpu_addr = p->wptr_gpu_addr;
552         mqd_prop.queue_size = p->queue_size;
553         mqd_prop.use_doorbell = true;
554         mqd_prop.doorbell_index = p->doorbell_off;
555         mqd_prop.eop_gpu_addr = p->eop_gpu_addr;
556         mqd_prop.hqd_pipe_priority = p->hqd_pipe_priority;
557         mqd_prop.hqd_queue_priority = p->hqd_queue_priority;
558         mqd_prop.hqd_active = false;
559
560         mqd_mgr->init_mqd(adev, q->mqd_cpu_ptr, &mqd_prop);
561
562         amdgpu_bo_unreserve(q->mqd_obj);
563 }
564
565 int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id,
566                             struct amdgpu_mes_queue_properties *qprops,
567                             int *queue_id)
568 {
569         struct amdgpu_mes_queue *queue;
570         struct amdgpu_mes_gang *gang;
571         struct mes_add_queue_input queue_input;
572         unsigned long flags;
573         int r;
574
575         memset(&queue_input, 0, sizeof(struct mes_add_queue_input));
576
577         /* allocate the mes queue buffer */
578         queue = kzalloc(sizeof(struct amdgpu_mes_queue), GFP_KERNEL);
579         if (!queue) {
580                 DRM_ERROR("Failed to allocate memory for queue\n");
581                 return -ENOMEM;
582         }
583
584         /* Allocate the queue mqd */
585         r = amdgpu_mes_queue_alloc_mqd(adev, queue, qprops);
586         if (r)
587                 goto clean_up_memory;
588
589         /*
590          * Avoid taking any other locks under MES lock to avoid circular
591          * lock dependencies.
592          */
593         amdgpu_mes_lock(&adev->mes);
594
595         gang = idr_find(&adev->mes.gang_id_idr, gang_id);
596         if (!gang) {
597                 DRM_ERROR("gang id %d doesn't exist\n", gang_id);
598                 r = -EINVAL;
599                 goto clean_up_mqd;
600         }
601
602         /* add the mes gang to idr list */
603         spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
604         r = idr_alloc(&adev->mes.queue_id_idr, queue, 1, 0,
605                       GFP_ATOMIC);
606         if (r < 0) {
607                 spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
608                 goto clean_up_mqd;
609         }
610         spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
611         *queue_id = queue->queue_id = r;
612
613         /* allocate a doorbell index for the queue */
614         r = amdgpu_mes_kernel_doorbell_get(adev, gang->process,
615                                           qprops->queue_type,
616                                           &qprops->doorbell_off);
617         if (r)
618                 goto clean_up_queue_id;
619
620         /* initialize the queue mqd */
621         amdgpu_mes_queue_init_mqd(adev, queue, qprops);
622
623         /* add hw queue to mes */
624         queue_input.process_id = gang->process->pasid;
625
626         queue_input.page_table_base_addr =
627                 adev->vm_manager.vram_base_offset + gang->process->pd_gpu_addr -
628                 adev->gmc.vram_start;
629
630         queue_input.process_va_start = 0;
631         queue_input.process_va_end =
632                 (adev->vm_manager.max_pfn - 1) << AMDGPU_GPU_PAGE_SHIFT;
633         queue_input.process_quantum = gang->process->process_quantum;
634         queue_input.process_context_addr = gang->process->proc_ctx_gpu_addr;
635         queue_input.gang_quantum = gang->gang_quantum;
636         queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
637         queue_input.inprocess_gang_priority = gang->inprocess_gang_priority;
638         queue_input.gang_global_priority_level = gang->global_priority_level;
639         queue_input.doorbell_offset = qprops->doorbell_off;
640         queue_input.mqd_addr = queue->mqd_gpu_addr;
641         queue_input.wptr_addr = qprops->wptr_gpu_addr;
642         queue_input.wptr_mc_addr = qprops->wptr_mc_addr;
643         queue_input.queue_type = qprops->queue_type;
644         queue_input.paging = qprops->paging;
645         queue_input.is_kfd_process = 0;
646
647         r = adev->mes.funcs->add_hw_queue(&adev->mes, &queue_input);
648         if (r) {
649                 DRM_ERROR("failed to add hardware queue to MES, doorbell=0x%llx\n",
650                           qprops->doorbell_off);
651                 goto clean_up_doorbell;
652         }
653
654         DRM_DEBUG("MES hw queue was added, pasid=%d, gang id=%d, "
655                   "queue type=%d, doorbell=0x%llx\n",
656                   gang->process->pasid, gang_id, qprops->queue_type,
657                   qprops->doorbell_off);
658
659         queue->ring = qprops->ring;
660         queue->doorbell_off = qprops->doorbell_off;
661         queue->wptr_gpu_addr = qprops->wptr_gpu_addr;
662         queue->queue_type = qprops->queue_type;
663         queue->paging = qprops->paging;
664         queue->gang = gang;
665         queue->ring->mqd_ptr = queue->mqd_cpu_ptr;
666         list_add_tail(&queue->list, &gang->queue_list);
667
668         amdgpu_mes_unlock(&adev->mes);
669         return 0;
670
671 clean_up_doorbell:
672         amdgpu_mes_kernel_doorbell_free(adev, gang->process,
673                                        qprops->doorbell_off);
674 clean_up_queue_id:
675         spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
676         idr_remove(&adev->mes.queue_id_idr, queue->queue_id);
677         spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
678 clean_up_mqd:
679         amdgpu_mes_unlock(&adev->mes);
680         amdgpu_mes_queue_free_mqd(queue);
681 clean_up_memory:
682         kfree(queue);
683         return r;
684 }
685
686 int amdgpu_mes_remove_hw_queue(struct amdgpu_device *adev, int queue_id)
687 {
688         unsigned long flags;
689         struct amdgpu_mes_queue *queue;
690         struct amdgpu_mes_gang *gang;
691         struct mes_remove_queue_input queue_input;
692         int r;
693
694         /*
695          * Avoid taking any other locks under MES lock to avoid circular
696          * lock dependencies.
697          */
698         amdgpu_mes_lock(&adev->mes);
699
700         /* remove the mes gang from idr list */
701         spin_lock_irqsave(&adev->mes.queue_id_lock, flags);
702
703         queue = idr_find(&adev->mes.queue_id_idr, queue_id);
704         if (!queue) {
705                 spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
706                 amdgpu_mes_unlock(&adev->mes);
707                 DRM_ERROR("queue id %d doesn't exist\n", queue_id);
708                 return -EINVAL;
709         }
710
711         idr_remove(&adev->mes.queue_id_idr, queue_id);
712         spin_unlock_irqrestore(&adev->mes.queue_id_lock, flags);
713
714         DRM_DEBUG("try to remove queue, doorbell off = 0x%llx\n",
715                   queue->doorbell_off);
716
717         gang = queue->gang;
718         queue_input.doorbell_offset = queue->doorbell_off;
719         queue_input.gang_context_addr = gang->gang_ctx_gpu_addr;
720
721         r = adev->mes.funcs->remove_hw_queue(&adev->mes, &queue_input);
722         if (r)
723                 DRM_ERROR("failed to remove hardware queue, queue id = %d\n",
724                           queue_id);
725
726         list_del(&queue->list);
727         amdgpu_mes_kernel_doorbell_free(adev, gang->process,
728                                        queue->doorbell_off);
729         amdgpu_mes_unlock(&adev->mes);
730
731         amdgpu_mes_queue_free_mqd(queue);
732         kfree(queue);
733         return 0;
734 }
735
736 int amdgpu_mes_unmap_legacy_queue(struct amdgpu_device *adev,
737                                   struct amdgpu_ring *ring,
738                                   enum amdgpu_unmap_queues_action action,
739                                   u64 gpu_addr, u64 seq)
740 {
741         struct mes_unmap_legacy_queue_input queue_input;
742         int r;
743
744         queue_input.action = action;
745         queue_input.queue_type = ring->funcs->type;
746         queue_input.doorbell_offset = ring->doorbell_index;
747         queue_input.pipe_id = ring->pipe;
748         queue_input.queue_id = ring->queue;
749         queue_input.trail_fence_addr = gpu_addr;
750         queue_input.trail_fence_data = seq;
751
752         r = adev->mes.funcs->unmap_legacy_queue(&adev->mes, &queue_input);
753         if (r)
754                 DRM_ERROR("failed to unmap legacy queue\n");
755
756         return r;
757 }
758
759 uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg)
760 {
761         struct mes_misc_op_input op_input;
762         int r, val = 0;
763
764         op_input.op = MES_MISC_OP_READ_REG;
765         op_input.read_reg.reg_offset = reg;
766         op_input.read_reg.buffer_addr = adev->mes.read_val_gpu_addr;
767
768         if (!adev->mes.funcs->misc_op) {
769                 DRM_ERROR("mes rreg is not supported!\n");
770                 goto error;
771         }
772
773         r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
774         if (r)
775                 DRM_ERROR("failed to read reg (0x%x)\n", reg);
776         else
777                 val = *(adev->mes.read_val_ptr);
778
779 error:
780         return val;
781 }
782
783 int amdgpu_mes_wreg(struct amdgpu_device *adev,
784                     uint32_t reg, uint32_t val)
785 {
786         struct mes_misc_op_input op_input;
787         int r;
788
789         op_input.op = MES_MISC_OP_WRITE_REG;
790         op_input.write_reg.reg_offset = reg;
791         op_input.write_reg.reg_value = val;
792
793         if (!adev->mes.funcs->misc_op) {
794                 DRM_ERROR("mes wreg is not supported!\n");
795                 r = -EINVAL;
796                 goto error;
797         }
798
799         r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
800         if (r)
801                 DRM_ERROR("failed to write reg (0x%x)\n", reg);
802
803 error:
804         return r;
805 }
806
807 int amdgpu_mes_reg_write_reg_wait(struct amdgpu_device *adev,
808                                   uint32_t reg0, uint32_t reg1,
809                                   uint32_t ref, uint32_t mask)
810 {
811         struct mes_misc_op_input op_input;
812         int r;
813
814         op_input.op = MES_MISC_OP_WRM_REG_WR_WAIT;
815         op_input.wrm_reg.reg0 = reg0;
816         op_input.wrm_reg.reg1 = reg1;
817         op_input.wrm_reg.ref = ref;
818         op_input.wrm_reg.mask = mask;
819
820         if (!adev->mes.funcs->misc_op) {
821                 DRM_ERROR("mes reg_write_reg_wait is not supported!\n");
822                 r = -EINVAL;
823                 goto error;
824         }
825
826         r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
827         if (r)
828                 DRM_ERROR("failed to reg_write_reg_wait\n");
829
830 error:
831         return r;
832 }
833
834 int amdgpu_mes_reg_wait(struct amdgpu_device *adev, uint32_t reg,
835                         uint32_t val, uint32_t mask)
836 {
837         struct mes_misc_op_input op_input;
838         int r;
839
840         op_input.op = MES_MISC_OP_WRM_REG_WAIT;
841         op_input.wrm_reg.reg0 = reg;
842         op_input.wrm_reg.ref = val;
843         op_input.wrm_reg.mask = mask;
844
845         if (!adev->mes.funcs->misc_op) {
846                 DRM_ERROR("mes reg wait is not supported!\n");
847                 r = -EINVAL;
848                 goto error;
849         }
850
851         r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
852         if (r)
853                 DRM_ERROR("failed to reg_write_reg_wait\n");
854
855 error:
856         return r;
857 }
858
859 int amdgpu_mes_set_shader_debugger(struct amdgpu_device *adev,
860                                 uint64_t process_context_addr,
861                                 uint32_t spi_gdbg_per_vmid_cntl,
862                                 const uint32_t *tcp_watch_cntl,
863                                 uint32_t flags,
864                                 bool trap_en)
865 {
866         struct mes_misc_op_input op_input = {0};
867         int r;
868
869         if (!adev->mes.funcs->misc_op) {
870                 DRM_ERROR("mes set shader debugger is not supported!\n");
871                 return -EINVAL;
872         }
873
874         op_input.op = MES_MISC_OP_SET_SHADER_DEBUGGER;
875         op_input.set_shader_debugger.process_context_addr = process_context_addr;
876         op_input.set_shader_debugger.flags.u32all = flags;
877         op_input.set_shader_debugger.spi_gdbg_per_vmid_cntl = spi_gdbg_per_vmid_cntl;
878         memcpy(op_input.set_shader_debugger.tcp_watch_cntl, tcp_watch_cntl,
879                         sizeof(op_input.set_shader_debugger.tcp_watch_cntl));
880
881         if (((adev->mes.sched_version & AMDGPU_MES_API_VERSION_MASK) >>
882                         AMDGPU_MES_API_VERSION_SHIFT) >= 14)
883                 op_input.set_shader_debugger.trap_en = trap_en;
884
885         amdgpu_mes_lock(&adev->mes);
886
887         r = adev->mes.funcs->misc_op(&adev->mes, &op_input);
888         if (r)
889                 DRM_ERROR("failed to set_shader_debugger\n");
890
891         amdgpu_mes_unlock(&adev->mes);
892
893         return r;
894 }
895
896 static void
897 amdgpu_mes_ring_to_queue_props(struct amdgpu_device *adev,
898                                struct amdgpu_ring *ring,
899                                struct amdgpu_mes_queue_properties *props)
900 {
901         props->queue_type = ring->funcs->type;
902         props->hqd_base_gpu_addr = ring->gpu_addr;
903         props->rptr_gpu_addr = ring->rptr_gpu_addr;
904         props->wptr_gpu_addr = ring->wptr_gpu_addr;
905         props->wptr_mc_addr =
906                 ring->mes_ctx->meta_data_mc_addr + ring->wptr_offs;
907         props->queue_size = ring->ring_size;
908         props->eop_gpu_addr = ring->eop_gpu_addr;
909         props->hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_NORMAL;
910         props->hqd_queue_priority = AMDGPU_GFX_QUEUE_PRIORITY_MINIMUM;
911         props->paging = false;
912         props->ring = ring;
913 }
914
915 #define DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(_eng)                        \
916 do {                                                                    \
917        if (id_offs < AMDGPU_MES_CTX_MAX_OFFS)                           \
918                 return offsetof(struct amdgpu_mes_ctx_meta_data,        \
919                                 _eng[ring->idx].slots[id_offs]);        \
920        else if (id_offs == AMDGPU_MES_CTX_RING_OFFS)                    \
921                 return offsetof(struct amdgpu_mes_ctx_meta_data,        \
922                                 _eng[ring->idx].ring);                  \
923        else if (id_offs == AMDGPU_MES_CTX_IB_OFFS)                      \
924                 return offsetof(struct amdgpu_mes_ctx_meta_data,        \
925                                 _eng[ring->idx].ib);                    \
926        else if (id_offs == AMDGPU_MES_CTX_PADDING_OFFS)                 \
927                 return offsetof(struct amdgpu_mes_ctx_meta_data,        \
928                                 _eng[ring->idx].padding);               \
929 } while(0)
930
931 int amdgpu_mes_ctx_get_offs(struct amdgpu_ring *ring, unsigned int id_offs)
932 {
933         switch (ring->funcs->type) {
934         case AMDGPU_RING_TYPE_GFX:
935                 DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(gfx);
936                 break;
937         case AMDGPU_RING_TYPE_COMPUTE:
938                 DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(compute);
939                 break;
940         case AMDGPU_RING_TYPE_SDMA:
941                 DEFINE_AMDGPU_MES_CTX_GET_OFFS_ENG(sdma);
942                 break;
943         default:
944                 break;
945         }
946
947         WARN_ON(1);
948         return -EINVAL;
949 }
950
951 int amdgpu_mes_add_ring(struct amdgpu_device *adev, int gang_id,
952                         int queue_type, int idx,
953                         struct amdgpu_mes_ctx_data *ctx_data,
954                         struct amdgpu_ring **out)
955 {
956         struct amdgpu_ring *ring;
957         struct amdgpu_mes_gang *gang;
958         struct amdgpu_mes_queue_properties qprops = {0};
959         int r, queue_id, pasid;
960
961         /*
962          * Avoid taking any other locks under MES lock to avoid circular
963          * lock dependencies.
964          */
965         amdgpu_mes_lock(&adev->mes);
966         gang = idr_find(&adev->mes.gang_id_idr, gang_id);
967         if (!gang) {
968                 DRM_ERROR("gang id %d doesn't exist\n", gang_id);
969                 amdgpu_mes_unlock(&adev->mes);
970                 return -EINVAL;
971         }
972         pasid = gang->process->pasid;
973
974         ring = kzalloc(sizeof(struct amdgpu_ring), GFP_KERNEL);
975         if (!ring) {
976                 amdgpu_mes_unlock(&adev->mes);
977                 return -ENOMEM;
978         }
979
980         ring->ring_obj = NULL;
981         ring->use_doorbell = true;
982         ring->is_mes_queue = true;
983         ring->mes_ctx = ctx_data;
984         ring->idx = idx;
985         ring->no_scheduler = true;
986
987         if (queue_type == AMDGPU_RING_TYPE_COMPUTE) {
988                 int offset = offsetof(struct amdgpu_mes_ctx_meta_data,
989                                       compute[ring->idx].mec_hpd);
990                 ring->eop_gpu_addr =
991                         amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
992         }
993
994         switch (queue_type) {
995         case AMDGPU_RING_TYPE_GFX:
996                 ring->funcs = adev->gfx.gfx_ring[0].funcs;
997                 break;
998         case AMDGPU_RING_TYPE_COMPUTE:
999                 ring->funcs = adev->gfx.compute_ring[0].funcs;
1000                 break;
1001         case AMDGPU_RING_TYPE_SDMA:
1002                 ring->funcs = adev->sdma.instance[0].ring.funcs;
1003                 break;
1004         default:
1005                 BUG();
1006         }
1007
1008         r = amdgpu_ring_init(adev, ring, 1024, NULL, 0,
1009                              AMDGPU_RING_PRIO_DEFAULT, NULL);
1010         if (r)
1011                 goto clean_up_memory;
1012
1013         amdgpu_mes_ring_to_queue_props(adev, ring, &qprops);
1014
1015         dma_fence_wait(gang->process->vm->last_update, false);
1016         dma_fence_wait(ctx_data->meta_data_va->last_pt_update, false);
1017         amdgpu_mes_unlock(&adev->mes);
1018
1019         r = amdgpu_mes_add_hw_queue(adev, gang_id, &qprops, &queue_id);
1020         if (r)
1021                 goto clean_up_ring;
1022
1023         ring->hw_queue_id = queue_id;
1024         ring->doorbell_index = qprops.doorbell_off;
1025
1026         if (queue_type == AMDGPU_RING_TYPE_GFX)
1027                 sprintf(ring->name, "gfx_%d.%d.%d", pasid, gang_id, queue_id);
1028         else if (queue_type == AMDGPU_RING_TYPE_COMPUTE)
1029                 sprintf(ring->name, "compute_%d.%d.%d", pasid, gang_id,
1030                         queue_id);
1031         else if (queue_type == AMDGPU_RING_TYPE_SDMA)
1032                 sprintf(ring->name, "sdma_%d.%d.%d", pasid, gang_id,
1033                         queue_id);
1034         else
1035                 BUG();
1036
1037         *out = ring;
1038         return 0;
1039
1040 clean_up_ring:
1041         amdgpu_ring_fini(ring);
1042 clean_up_memory:
1043         kfree(ring);
1044         amdgpu_mes_unlock(&adev->mes);
1045         return r;
1046 }
1047
1048 void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
1049                             struct amdgpu_ring *ring)
1050 {
1051         if (!ring)
1052                 return;
1053
1054         amdgpu_mes_remove_hw_queue(adev, ring->hw_queue_id);
1055         amdgpu_ring_fini(ring);
1056         kfree(ring);
1057 }
1058
1059 uint32_t amdgpu_mes_get_aggregated_doorbell_index(struct amdgpu_device *adev,
1060                                                    enum amdgpu_mes_priority_level prio)
1061 {
1062         return adev->mes.aggregated_doorbells[prio];
1063 }
1064
1065 int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,
1066                                    struct amdgpu_mes_ctx_data *ctx_data)
1067 {
1068         int r;
1069
1070         r = amdgpu_bo_create_kernel(adev,
1071                             sizeof(struct amdgpu_mes_ctx_meta_data),
1072                             PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT,
1073                             &ctx_data->meta_data_obj,
1074                             &ctx_data->meta_data_mc_addr,
1075                             &ctx_data->meta_data_ptr);
1076         if (r) {
1077                 dev_warn(adev->dev, "(%d) create CTX bo failed\n", r);
1078                 return r;
1079         }
1080
1081         if (!ctx_data->meta_data_obj)
1082                 return -ENOMEM;
1083
1084         memset(ctx_data->meta_data_ptr, 0,
1085                sizeof(struct amdgpu_mes_ctx_meta_data));
1086
1087         return 0;
1088 }
1089
1090 void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data)
1091 {
1092         if (ctx_data->meta_data_obj)
1093                 amdgpu_bo_free_kernel(&ctx_data->meta_data_obj,
1094                                       &ctx_data->meta_data_mc_addr,
1095                                       &ctx_data->meta_data_ptr);
1096 }
1097
1098 int amdgpu_mes_ctx_map_meta_data(struct amdgpu_device *adev,
1099                                  struct amdgpu_vm *vm,
1100                                  struct amdgpu_mes_ctx_data *ctx_data)
1101 {
1102         struct amdgpu_bo_va *bo_va;
1103         struct amdgpu_sync sync;
1104         struct drm_exec exec;
1105         int r;
1106
1107         amdgpu_sync_create(&sync);
1108
1109         drm_exec_init(&exec, 0);
1110         drm_exec_until_all_locked(&exec) {
1111                 r = drm_exec_lock_obj(&exec,
1112                                       &ctx_data->meta_data_obj->tbo.base);
1113                 drm_exec_retry_on_contention(&exec);
1114                 if (unlikely(r))
1115                         goto error_fini_exec;
1116
1117                 r = amdgpu_vm_lock_pd(vm, &exec, 0);
1118                 drm_exec_retry_on_contention(&exec);
1119                 if (unlikely(r))
1120                         goto error_fini_exec;
1121         }
1122
1123         bo_va = amdgpu_vm_bo_add(adev, vm, ctx_data->meta_data_obj);
1124         if (!bo_va) {
1125                 DRM_ERROR("failed to create bo_va for meta data BO\n");
1126                 r = -ENOMEM;
1127                 goto error_fini_exec;
1128         }
1129
1130         r = amdgpu_vm_bo_map(adev, bo_va, ctx_data->meta_data_gpu_addr, 0,
1131                              sizeof(struct amdgpu_mes_ctx_meta_data),
1132                              AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
1133                              AMDGPU_PTE_EXECUTABLE);
1134
1135         if (r) {
1136                 DRM_ERROR("failed to do bo_map on meta data, err=%d\n", r);
1137                 goto error_del_bo_va;
1138         }
1139
1140         r = amdgpu_vm_bo_update(adev, bo_va, false);
1141         if (r) {
1142                 DRM_ERROR("failed to do vm_bo_update on meta data\n");
1143                 goto error_del_bo_va;
1144         }
1145         amdgpu_sync_fence(&sync, bo_va->last_pt_update);
1146
1147         r = amdgpu_vm_update_pdes(adev, vm, false);
1148         if (r) {
1149                 DRM_ERROR("failed to update pdes on meta data\n");
1150                 goto error_del_bo_va;
1151         }
1152         amdgpu_sync_fence(&sync, vm->last_update);
1153
1154         amdgpu_sync_wait(&sync, false);
1155         drm_exec_fini(&exec);
1156
1157         amdgpu_sync_free(&sync);
1158         ctx_data->meta_data_va = bo_va;
1159         return 0;
1160
1161 error_del_bo_va:
1162         amdgpu_vm_bo_del(adev, bo_va);
1163
1164 error_fini_exec:
1165         drm_exec_fini(&exec);
1166         amdgpu_sync_free(&sync);
1167         return r;
1168 }
1169
1170 int amdgpu_mes_ctx_unmap_meta_data(struct amdgpu_device *adev,
1171                                    struct amdgpu_mes_ctx_data *ctx_data)
1172 {
1173         struct amdgpu_bo_va *bo_va = ctx_data->meta_data_va;
1174         struct amdgpu_bo *bo = ctx_data->meta_data_obj;
1175         struct amdgpu_vm *vm = bo_va->base.vm;
1176         struct dma_fence *fence;
1177         struct drm_exec exec;
1178         long r;
1179
1180         drm_exec_init(&exec, 0);
1181         drm_exec_until_all_locked(&exec) {
1182                 r = drm_exec_lock_obj(&exec,
1183                                       &ctx_data->meta_data_obj->tbo.base);
1184                 drm_exec_retry_on_contention(&exec);
1185                 if (unlikely(r))
1186                         goto out_unlock;
1187
1188                 r = amdgpu_vm_lock_pd(vm, &exec, 0);
1189                 drm_exec_retry_on_contention(&exec);
1190                 if (unlikely(r))
1191                         goto out_unlock;
1192         }
1193
1194         amdgpu_vm_bo_del(adev, bo_va);
1195         if (!amdgpu_vm_ready(vm))
1196                 goto out_unlock;
1197
1198         r = dma_resv_get_singleton(bo->tbo.base.resv, DMA_RESV_USAGE_BOOKKEEP,
1199                                    &fence);
1200         if (r)
1201                 goto out_unlock;
1202         if (fence) {
1203                 amdgpu_bo_fence(bo, fence, true);
1204                 fence = NULL;
1205         }
1206
1207         r = amdgpu_vm_clear_freed(adev, vm, &fence);
1208         if (r || !fence)
1209                 goto out_unlock;
1210
1211         dma_fence_wait(fence, false);
1212         amdgpu_bo_fence(bo, fence, true);
1213         dma_fence_put(fence);
1214
1215 out_unlock:
1216         if (unlikely(r < 0))
1217                 dev_err(adev->dev, "failed to clear page tables (%ld)\n", r);
1218         drm_exec_fini(&exec);
1219
1220         return r;
1221 }
1222
1223 static int amdgpu_mes_test_create_gang_and_queues(struct amdgpu_device *adev,
1224                                           int pasid, int *gang_id,
1225                                           int queue_type, int num_queue,
1226                                           struct amdgpu_ring **added_rings,
1227                                           struct amdgpu_mes_ctx_data *ctx_data)
1228 {
1229         struct amdgpu_ring *ring;
1230         struct amdgpu_mes_gang_properties gprops = {0};
1231         int r, j;
1232
1233         /* create a gang for the process */
1234         gprops.priority = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
1235         gprops.gang_quantum = adev->mes.default_gang_quantum;
1236         gprops.inprocess_gang_priority = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
1237         gprops.priority_level = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
1238         gprops.global_priority_level = AMDGPU_MES_PRIORITY_LEVEL_NORMAL;
1239
1240         r = amdgpu_mes_add_gang(adev, pasid, &gprops, gang_id);
1241         if (r) {
1242                 DRM_ERROR("failed to add gang\n");
1243                 return r;
1244         }
1245
1246         /* create queues for the gang */
1247         for (j = 0; j < num_queue; j++) {
1248                 r = amdgpu_mes_add_ring(adev, *gang_id, queue_type, j,
1249                                         ctx_data, &ring);
1250                 if (r) {
1251                         DRM_ERROR("failed to add ring\n");
1252                         break;
1253                 }
1254
1255                 DRM_INFO("ring %s was added\n", ring->name);
1256                 added_rings[j] = ring;
1257         }
1258
1259         return 0;
1260 }
1261
1262 static int amdgpu_mes_test_queues(struct amdgpu_ring **added_rings)
1263 {
1264         struct amdgpu_ring *ring;
1265         int i, r;
1266
1267         for (i = 0; i < AMDGPU_MES_CTX_MAX_RINGS; i++) {
1268                 ring = added_rings[i];
1269                 if (!ring)
1270                         continue;
1271
1272                 r = amdgpu_ring_test_helper(ring);
1273                 if (r)
1274                         return r;
1275
1276                 r = amdgpu_ring_test_ib(ring, 1000 * 10);
1277                 if (r) {
1278                         DRM_DEV_ERROR(ring->adev->dev,
1279                                       "ring %s ib test failed (%d)\n",
1280                                       ring->name, r);
1281                         return r;
1282                 } else
1283                         DRM_INFO("ring %s ib test pass\n", ring->name);
1284         }
1285
1286         return 0;
1287 }
1288
1289 int amdgpu_mes_self_test(struct amdgpu_device *adev)
1290 {
1291         struct amdgpu_vm *vm = NULL;
1292         struct amdgpu_mes_ctx_data ctx_data = {0};
1293         struct amdgpu_ring *added_rings[AMDGPU_MES_CTX_MAX_RINGS] = { NULL };
1294         int gang_ids[3] = {0};
1295         int queue_types[][2] = { { AMDGPU_RING_TYPE_GFX, 1 },
1296                                  { AMDGPU_RING_TYPE_COMPUTE, 1 },
1297                                  { AMDGPU_RING_TYPE_SDMA, 1} };
1298         int i, r, pasid, k = 0;
1299
1300         pasid = amdgpu_pasid_alloc(16);
1301         if (pasid < 0) {
1302                 dev_warn(adev->dev, "No more PASIDs available!");
1303                 pasid = 0;
1304         }
1305
1306         vm = kzalloc(sizeof(*vm), GFP_KERNEL);
1307         if (!vm) {
1308                 r = -ENOMEM;
1309                 goto error_pasid;
1310         }
1311
1312         r = amdgpu_vm_init(adev, vm, -1);
1313         if (r) {
1314                 DRM_ERROR("failed to initialize vm\n");
1315                 goto error_pasid;
1316         }
1317
1318         r = amdgpu_mes_ctx_alloc_meta_data(adev, &ctx_data);
1319         if (r) {
1320                 DRM_ERROR("failed to alloc ctx meta data\n");
1321                 goto error_fini;
1322         }
1323
1324         ctx_data.meta_data_gpu_addr = AMDGPU_VA_RESERVED_SIZE;
1325         r = amdgpu_mes_ctx_map_meta_data(adev, vm, &ctx_data);
1326         if (r) {
1327                 DRM_ERROR("failed to map ctx meta data\n");
1328                 goto error_vm;
1329         }
1330
1331         r = amdgpu_mes_create_process(adev, pasid, vm);
1332         if (r) {
1333                 DRM_ERROR("failed to create MES process\n");
1334                 goto error_vm;
1335         }
1336
1337         for (i = 0; i < ARRAY_SIZE(queue_types); i++) {
1338                 /* On GFX v10.3, fw hasn't supported to map sdma queue. */
1339                 if (amdgpu_ip_version(adev, GC_HWIP, 0) >=
1340                             IP_VERSION(10, 3, 0) &&
1341                     amdgpu_ip_version(adev, GC_HWIP, 0) <
1342                             IP_VERSION(11, 0, 0) &&
1343                     queue_types[i][0] == AMDGPU_RING_TYPE_SDMA)
1344                         continue;
1345
1346                 r = amdgpu_mes_test_create_gang_and_queues(adev, pasid,
1347                                                            &gang_ids[i],
1348                                                            queue_types[i][0],
1349                                                            queue_types[i][1],
1350                                                            &added_rings[k],
1351                                                            &ctx_data);
1352                 if (r)
1353                         goto error_queues;
1354
1355                 k += queue_types[i][1];
1356         }
1357
1358         /* start ring test and ib test for MES queues */
1359         amdgpu_mes_test_queues(added_rings);
1360
1361 error_queues:
1362         /* remove all queues */
1363         for (i = 0; i < ARRAY_SIZE(added_rings); i++) {
1364                 if (!added_rings[i])
1365                         continue;
1366                 amdgpu_mes_remove_ring(adev, added_rings[i]);
1367         }
1368
1369         for (i = 0; i < ARRAY_SIZE(gang_ids); i++) {
1370                 if (!gang_ids[i])
1371                         continue;
1372                 amdgpu_mes_remove_gang(adev, gang_ids[i]);
1373         }
1374
1375         amdgpu_mes_destroy_process(adev, pasid);
1376
1377 error_vm:
1378         amdgpu_mes_ctx_unmap_meta_data(adev, &ctx_data);
1379
1380 error_fini:
1381         amdgpu_vm_fini(adev, vm);
1382
1383 error_pasid:
1384         if (pasid)
1385                 amdgpu_pasid_free(pasid);
1386
1387         amdgpu_mes_ctx_free_meta_data(&ctx_data);
1388         kfree(vm);
1389         return 0;
1390 }
1391
1392 int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
1393 {
1394         const struct mes_firmware_header_v1_0 *mes_hdr;
1395         struct amdgpu_firmware_info *info;
1396         char ucode_prefix[30];
1397         char fw_name[40];
1398         bool need_retry = false;
1399         int r;
1400
1401         amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix,
1402                                        sizeof(ucode_prefix));
1403         if (amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(11, 0, 0)) {
1404                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes%s.bin",
1405                          ucode_prefix,
1406                          pipe == AMDGPU_MES_SCHED_PIPE ? "_2" : "1");
1407                 need_retry = true;
1408         } else {
1409                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes%s.bin",
1410                          ucode_prefix,
1411                          pipe == AMDGPU_MES_SCHED_PIPE ? "" : "1");
1412         }
1413
1414         r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe], fw_name);
1415         if (r && need_retry && pipe == AMDGPU_MES_SCHED_PIPE) {
1416                 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mes.bin",
1417                          ucode_prefix);
1418                 DRM_INFO("try to fall back to %s\n", fw_name);
1419                 r = amdgpu_ucode_request(adev, &adev->mes.fw[pipe],
1420                                          fw_name);
1421         }
1422
1423         if (r)
1424                 goto out;
1425
1426         mes_hdr = (const struct mes_firmware_header_v1_0 *)
1427                 adev->mes.fw[pipe]->data;
1428         adev->mes.uc_start_addr[pipe] =
1429                 le32_to_cpu(mes_hdr->mes_uc_start_addr_lo) |
1430                 ((uint64_t)(le32_to_cpu(mes_hdr->mes_uc_start_addr_hi)) << 32);
1431         adev->mes.data_start_addr[pipe] =
1432                 le32_to_cpu(mes_hdr->mes_data_start_addr_lo) |
1433                 ((uint64_t)(le32_to_cpu(mes_hdr->mes_data_start_addr_hi)) << 32);
1434
1435         if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
1436                 int ucode, ucode_data;
1437
1438                 if (pipe == AMDGPU_MES_SCHED_PIPE) {
1439                         ucode = AMDGPU_UCODE_ID_CP_MES;
1440                         ucode_data = AMDGPU_UCODE_ID_CP_MES_DATA;
1441                 } else {
1442                         ucode = AMDGPU_UCODE_ID_CP_MES1;
1443                         ucode_data = AMDGPU_UCODE_ID_CP_MES1_DATA;
1444                 }
1445
1446                 info = &adev->firmware.ucode[ucode];
1447                 info->ucode_id = ucode;
1448                 info->fw = adev->mes.fw[pipe];
1449                 adev->firmware.fw_size +=
1450                         ALIGN(le32_to_cpu(mes_hdr->mes_ucode_size_bytes),
1451                               PAGE_SIZE);
1452
1453                 info = &adev->firmware.ucode[ucode_data];
1454                 info->ucode_id = ucode_data;
1455                 info->fw = adev->mes.fw[pipe];
1456                 adev->firmware.fw_size +=
1457                         ALIGN(le32_to_cpu(mes_hdr->mes_ucode_data_size_bytes),
1458                               PAGE_SIZE);
1459         }
1460
1461         return 0;
1462 out:
1463         amdgpu_ucode_release(&adev->mes.fw[pipe]);
1464         return r;
1465 }
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