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
24 #include <stdlib.h>
25 #include <stdio.h>
26 #include <string.h>
27 #include <errno.h>
28 #include <pthread.h>
29 #include <sched.h>
30 #include <sys/ioctl.h>
31 #ifdef HAVE_ALLOCA_H
32 # include <alloca.h>
33 #endif
34
35 #include "xf86drm.h"
36 #include "amdgpu_drm.h"
37 #include "amdgpu_internal.h"
38
39 static int amdgpu_cs_unreference_sem(amdgpu_semaphore_handle sem);
40 static int amdgpu_cs_reset_sem(amdgpu_semaphore_handle sem);
41
42 /**
43 * Create command submission context
44 *
45 * \param dev - \c [in] Device handle. See #amdgpu_device_initialize()
46 * \param priority - \c [in] Context creation flags. See AMDGPU_CTX_PRIORITY_*
47 * \param context - \c [out] GPU Context handle
48 *
49 * \return 0 on success otherwise POSIX Error code
50 */
amdgpu_cs_ctx_create2(amdgpu_device_handle dev,uint32_t priority,amdgpu_context_handle * context)51 drm_public int amdgpu_cs_ctx_create2(amdgpu_device_handle dev,
52 uint32_t priority,
53 amdgpu_context_handle *context)
54 {
55 struct amdgpu_context *gpu_context;
56 union drm_amdgpu_ctx args;
57 int i, j, k;
58 int r;
59
60 if (!dev || !context)
61 return -EINVAL;
62
63 gpu_context = calloc(1, sizeof(struct amdgpu_context));
64 if (!gpu_context)
65 return -ENOMEM;
66
67 gpu_context->dev = dev;
68
69 r = pthread_mutex_init(&gpu_context->sequence_mutex, NULL);
70 if (r)
71 goto error;
72
73 /* Create the context */
74 memset(&args, 0, sizeof(args));
75 args.in.op = AMDGPU_CTX_OP_ALLOC_CTX;
76 args.in.priority = priority;
77
78 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_CTX, &args, sizeof(args));
79 if (r)
80 goto error;
81
82 gpu_context->id = args.out.alloc.ctx_id;
83 for (i = 0; i < AMDGPU_HW_IP_NUM; i++)
84 for (j = 0; j < AMDGPU_HW_IP_INSTANCE_MAX_COUNT; j++)
85 for (k = 0; k < AMDGPU_CS_MAX_RINGS; k++)
86 list_inithead(&gpu_context->sem_list[i][j][k]);
87 *context = (amdgpu_context_handle)gpu_context;
88
89 return 0;
90
91 error:
92 pthread_mutex_destroy(&gpu_context->sequence_mutex);
93 free(gpu_context);
94 return r;
95 }
96
amdgpu_cs_ctx_create(amdgpu_device_handle dev,amdgpu_context_handle * context)97 drm_public int amdgpu_cs_ctx_create(amdgpu_device_handle dev,
98 amdgpu_context_handle *context)
99 {
100 return amdgpu_cs_ctx_create2(dev, AMDGPU_CTX_PRIORITY_NORMAL, context);
101 }
102
103 /**
104 * Release command submission context
105 *
106 * \param dev - \c [in] amdgpu device handle
107 * \param context - \c [in] amdgpu context handle
108 *
109 * \return 0 on success otherwise POSIX Error code
110 */
amdgpu_cs_ctx_free(amdgpu_context_handle context)111 drm_public int amdgpu_cs_ctx_free(amdgpu_context_handle context)
112 {
113 union drm_amdgpu_ctx args;
114 int i, j, k;
115 int r;
116
117 if (!context)
118 return -EINVAL;
119
120 pthread_mutex_destroy(&context->sequence_mutex);
121
122 /* now deal with kernel side */
123 memset(&args, 0, sizeof(args));
124 args.in.op = AMDGPU_CTX_OP_FREE_CTX;
125 args.in.ctx_id = context->id;
126 r = drmCommandWriteRead(context->dev->fd, DRM_AMDGPU_CTX,
127 &args, sizeof(args));
128 for (i = 0; i < AMDGPU_HW_IP_NUM; i++) {
129 for (j = 0; j < AMDGPU_HW_IP_INSTANCE_MAX_COUNT; j++) {
130 for (k = 0; k < AMDGPU_CS_MAX_RINGS; k++) {
131 amdgpu_semaphore_handle sem;
132 LIST_FOR_EACH_ENTRY(sem, &context->sem_list[i][j][k], list) {
133 list_del(&sem->list);
134 amdgpu_cs_reset_sem(sem);
135 amdgpu_cs_unreference_sem(sem);
136 }
137 }
138 }
139 }
140 free(context);
141
142 return r;
143 }
144
amdgpu_cs_ctx_override_priority(amdgpu_device_handle dev,amdgpu_context_handle context,int master_fd,unsigned priority)145 drm_public int amdgpu_cs_ctx_override_priority(amdgpu_device_handle dev,
146 amdgpu_context_handle context,
147 int master_fd,
148 unsigned priority)
149 {
150 union drm_amdgpu_sched args;
151 int r;
152
153 if (!dev || !context || master_fd < 0)
154 return -EINVAL;
155
156 memset(&args, 0, sizeof(args));
157
158 args.in.op = AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE;
159 args.in.fd = dev->fd;
160 args.in.priority = priority;
161 args.in.ctx_id = context->id;
162
163 r = drmCommandWrite(master_fd, DRM_AMDGPU_SCHED, &args, sizeof(args));
164 if (r)
165 return r;
166
167 return 0;
168 }
169
amdgpu_cs_query_reset_state(amdgpu_context_handle context,uint32_t * state,uint32_t * hangs)170 drm_public int amdgpu_cs_query_reset_state(amdgpu_context_handle context,
171 uint32_t *state, uint32_t *hangs)
172 {
173 union drm_amdgpu_ctx args;
174 int r;
175
176 if (!context)
177 return -EINVAL;
178
179 memset(&args, 0, sizeof(args));
180 args.in.op = AMDGPU_CTX_OP_QUERY_STATE;
181 args.in.ctx_id = context->id;
182 r = drmCommandWriteRead(context->dev->fd, DRM_AMDGPU_CTX,
183 &args, sizeof(args));
184 if (!r) {
185 *state = args.out.state.reset_status;
186 *hangs = args.out.state.hangs;
187 }
188 return r;
189 }
190
191 /**
192 * Submit command to kernel DRM
193 * \param dev - \c [in] Device handle
194 * \param context - \c [in] GPU Context
195 * \param ibs_request - \c [in] Pointer to submission requests
196 * \param fence - \c [out] return fence for this submission
197 *
198 * \return 0 on success otherwise POSIX Error code
199 * \sa amdgpu_cs_submit()
200 */
amdgpu_cs_submit_one(amdgpu_context_handle context,struct amdgpu_cs_request * ibs_request)201 static int amdgpu_cs_submit_one(amdgpu_context_handle context,
202 struct amdgpu_cs_request *ibs_request)
203 {
204 union drm_amdgpu_cs cs;
205 uint64_t *chunk_array;
206 struct drm_amdgpu_cs_chunk *chunks;
207 struct drm_amdgpu_cs_chunk_data *chunk_data;
208 struct drm_amdgpu_cs_chunk_dep *dependencies = NULL;
209 struct drm_amdgpu_cs_chunk_dep *sem_dependencies = NULL;
210 struct list_head *sem_list;
211 amdgpu_semaphore_handle sem, tmp;
212 uint32_t i, size, sem_count = 0;
213 bool user_fence;
214 int r = 0;
215
216 if (ibs_request->ip_type >= AMDGPU_HW_IP_NUM)
217 return -EINVAL;
218 if (ibs_request->ring >= AMDGPU_CS_MAX_RINGS)
219 return -EINVAL;
220 if (ibs_request->number_of_ibs == 0) {
221 ibs_request->seq_no = AMDGPU_NULL_SUBMIT_SEQ;
222 return 0;
223 }
224 user_fence = (ibs_request->fence_info.handle != NULL);
225
226 size = ibs_request->number_of_ibs + (user_fence ? 2 : 1) + 1;
227
228 chunk_array = alloca(sizeof(uint64_t) * size);
229 chunks = alloca(sizeof(struct drm_amdgpu_cs_chunk) * size);
230
231 size = ibs_request->number_of_ibs + (user_fence ? 1 : 0);
232
233 chunk_data = alloca(sizeof(struct drm_amdgpu_cs_chunk_data) * size);
234
235 memset(&cs, 0, sizeof(cs));
236 cs.in.chunks = (uint64_t)(uintptr_t)chunk_array;
237 cs.in.ctx_id = context->id;
238 if (ibs_request->resources)
239 cs.in.bo_list_handle = ibs_request->resources->handle;
240 cs.in.num_chunks = ibs_request->number_of_ibs;
241 /* IB chunks */
242 for (i = 0; i < ibs_request->number_of_ibs; i++) {
243 struct amdgpu_cs_ib_info *ib;
244 chunk_array[i] = (uint64_t)(uintptr_t)&chunks[i];
245 chunks[i].chunk_id = AMDGPU_CHUNK_ID_IB;
246 chunks[i].length_dw = sizeof(struct drm_amdgpu_cs_chunk_ib) / 4;
247 chunks[i].chunk_data = (uint64_t)(uintptr_t)&chunk_data[i];
248
249 ib = &ibs_request->ibs[i];
250
251 chunk_data[i].ib_data._pad = 0;
252 chunk_data[i].ib_data.va_start = ib->ib_mc_address;
253 chunk_data[i].ib_data.ib_bytes = ib->size * 4;
254 chunk_data[i].ib_data.ip_type = ibs_request->ip_type;
255 chunk_data[i].ib_data.ip_instance = ibs_request->ip_instance;
256 chunk_data[i].ib_data.ring = ibs_request->ring;
257 chunk_data[i].ib_data.flags = ib->flags;
258 }
259
260 pthread_mutex_lock(&context->sequence_mutex);
261
262 if (user_fence) {
263 i = cs.in.num_chunks++;
264
265 /* fence chunk */
266 chunk_array[i] = (uint64_t)(uintptr_t)&chunks[i];
267 chunks[i].chunk_id = AMDGPU_CHUNK_ID_FENCE;
268 chunks[i].length_dw = sizeof(struct drm_amdgpu_cs_chunk_fence) / 4;
269 chunks[i].chunk_data = (uint64_t)(uintptr_t)&chunk_data[i];
270
271 /* fence bo handle */
272 chunk_data[i].fence_data.handle = ibs_request->fence_info.handle->handle;
273 /* offset */
274 chunk_data[i].fence_data.offset =
275 ibs_request->fence_info.offset * sizeof(uint64_t);
276 }
277
278 if (ibs_request->number_of_dependencies) {
279 dependencies = malloc(sizeof(struct drm_amdgpu_cs_chunk_dep) *
280 ibs_request->number_of_dependencies);
281 if (!dependencies) {
282 r = -ENOMEM;
283 goto error_unlock;
284 }
285
286 for (i = 0; i < ibs_request->number_of_dependencies; ++i) {
287 struct amdgpu_cs_fence *info = &ibs_request->dependencies[i];
288 struct drm_amdgpu_cs_chunk_dep *dep = &dependencies[i];
289 dep->ip_type = info->ip_type;
290 dep->ip_instance = info->ip_instance;
291 dep->ring = info->ring;
292 dep->ctx_id = info->context->id;
293 dep->handle = info->fence;
294 }
295
296 i = cs.in.num_chunks++;
297
298 /* dependencies chunk */
299 chunk_array[i] = (uint64_t)(uintptr_t)&chunks[i];
300 chunks[i].chunk_id = AMDGPU_CHUNK_ID_DEPENDENCIES;
301 chunks[i].length_dw = sizeof(struct drm_amdgpu_cs_chunk_dep) / 4
302 * ibs_request->number_of_dependencies;
303 chunks[i].chunk_data = (uint64_t)(uintptr_t)dependencies;
304 }
305
306 sem_list = &context->sem_list[ibs_request->ip_type][ibs_request->ip_instance][ibs_request->ring];
307 LIST_FOR_EACH_ENTRY(sem, sem_list, list)
308 sem_count++;
309 if (sem_count) {
310 sem_dependencies = malloc(sizeof(struct drm_amdgpu_cs_chunk_dep) * sem_count);
311 if (!sem_dependencies) {
312 r = -ENOMEM;
313 goto error_unlock;
314 }
315 sem_count = 0;
316 LIST_FOR_EACH_ENTRY_SAFE(sem, tmp, sem_list, list) {
317 struct amdgpu_cs_fence *info = &sem->signal_fence;
318 struct drm_amdgpu_cs_chunk_dep *dep = &sem_dependencies[sem_count++];
319 dep->ip_type = info->ip_type;
320 dep->ip_instance = info->ip_instance;
321 dep->ring = info->ring;
322 dep->ctx_id = info->context->id;
323 dep->handle = info->fence;
324
325 list_del(&sem->list);
326 amdgpu_cs_reset_sem(sem);
327 amdgpu_cs_unreference_sem(sem);
328 }
329 i = cs.in.num_chunks++;
330
331 /* dependencies chunk */
332 chunk_array[i] = (uint64_t)(uintptr_t)&chunks[i];
333 chunks[i].chunk_id = AMDGPU_CHUNK_ID_DEPENDENCIES;
334 chunks[i].length_dw = sizeof(struct drm_amdgpu_cs_chunk_dep) / 4 * sem_count;
335 chunks[i].chunk_data = (uint64_t)(uintptr_t)sem_dependencies;
336 }
337
338 r = drmCommandWriteRead(context->dev->fd, DRM_AMDGPU_CS,
339 &cs, sizeof(cs));
340 if (r)
341 goto error_unlock;
342
343 ibs_request->seq_no = cs.out.handle;
344 context->last_seq[ibs_request->ip_type][ibs_request->ip_instance][ibs_request->ring] = ibs_request->seq_no;
345 error_unlock:
346 pthread_mutex_unlock(&context->sequence_mutex);
347 free(dependencies);
348 free(sem_dependencies);
349 return r;
350 }
351
amdgpu_cs_submit(amdgpu_context_handle context,uint64_t flags,struct amdgpu_cs_request * ibs_request,uint32_t number_of_requests)352 drm_public int amdgpu_cs_submit(amdgpu_context_handle context,
353 uint64_t flags,
354 struct amdgpu_cs_request *ibs_request,
355 uint32_t number_of_requests)
356 {
357 uint32_t i;
358 int r;
359
360 if (!context || !ibs_request)
361 return -EINVAL;
362
363 r = 0;
364 for (i = 0; i < number_of_requests; i++) {
365 r = amdgpu_cs_submit_one(context, ibs_request);
366 if (r)
367 break;
368 ibs_request++;
369 }
370
371 return r;
372 }
373
374 /**
375 * Calculate absolute timeout.
376 *
377 * \param timeout - \c [in] timeout in nanoseconds.
378 *
379 * \return absolute timeout in nanoseconds
380 */
amdgpu_cs_calculate_timeout(uint64_t timeout)381 drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout)
382 {
383 int r;
384
385 if (timeout != AMDGPU_TIMEOUT_INFINITE) {
386 struct timespec current;
387 uint64_t current_ns;
388 r = clock_gettime(CLOCK_MONOTONIC, ¤t);
389 if (r) {
390 fprintf(stderr, "clock_gettime() returned error (%d)!", errno);
391 return AMDGPU_TIMEOUT_INFINITE;
392 }
393
394 current_ns = ((uint64_t)current.tv_sec) * 1000000000ull;
395 current_ns += current.tv_nsec;
396 timeout += current_ns;
397 if (timeout < current_ns)
398 timeout = AMDGPU_TIMEOUT_INFINITE;
399 }
400 return timeout;
401 }
402
amdgpu_ioctl_wait_cs(amdgpu_context_handle context,unsigned ip,unsigned ip_instance,uint32_t ring,uint64_t handle,uint64_t timeout_ns,uint64_t flags,bool * busy)403 static int amdgpu_ioctl_wait_cs(amdgpu_context_handle context,
404 unsigned ip,
405 unsigned ip_instance,
406 uint32_t ring,
407 uint64_t handle,
408 uint64_t timeout_ns,
409 uint64_t flags,
410 bool *busy)
411 {
412 amdgpu_device_handle dev = context->dev;
413 union drm_amdgpu_wait_cs args;
414 int r;
415
416 memset(&args, 0, sizeof(args));
417 args.in.handle = handle;
418 args.in.ip_type = ip;
419 args.in.ip_instance = ip_instance;
420 args.in.ring = ring;
421 args.in.ctx_id = context->id;
422
423 if (flags & AMDGPU_QUERY_FENCE_TIMEOUT_IS_ABSOLUTE)
424 args.in.timeout = timeout_ns;
425 else
426 args.in.timeout = amdgpu_cs_calculate_timeout(timeout_ns);
427
428 r = drmIoctl(dev->fd, DRM_IOCTL_AMDGPU_WAIT_CS, &args);
429 if (r)
430 return -errno;
431
432 *busy = args.out.status;
433 return 0;
434 }
435
amdgpu_cs_query_fence_status(struct amdgpu_cs_fence * fence,uint64_t timeout_ns,uint64_t flags,uint32_t * expired)436 drm_public int amdgpu_cs_query_fence_status(struct amdgpu_cs_fence *fence,
437 uint64_t timeout_ns,
438 uint64_t flags,
439 uint32_t *expired)
440 {
441 bool busy = true;
442 int r;
443
444 if (!fence || !expired || !fence->context)
445 return -EINVAL;
446 if (fence->ip_type >= AMDGPU_HW_IP_NUM)
447 return -EINVAL;
448 if (fence->ring >= AMDGPU_CS_MAX_RINGS)
449 return -EINVAL;
450 if (fence->fence == AMDGPU_NULL_SUBMIT_SEQ) {
451 *expired = true;
452 return 0;
453 }
454
455 *expired = false;
456
457 r = amdgpu_ioctl_wait_cs(fence->context, fence->ip_type,
458 fence->ip_instance, fence->ring,
459 fence->fence, timeout_ns, flags, &busy);
460
461 if (!r && !busy)
462 *expired = true;
463
464 return r;
465 }
466
amdgpu_ioctl_wait_fences(struct amdgpu_cs_fence * fences,uint32_t fence_count,bool wait_all,uint64_t timeout_ns,uint32_t * status,uint32_t * first)467 static int amdgpu_ioctl_wait_fences(struct amdgpu_cs_fence *fences,
468 uint32_t fence_count,
469 bool wait_all,
470 uint64_t timeout_ns,
471 uint32_t *status,
472 uint32_t *first)
473 {
474 struct drm_amdgpu_fence *drm_fences;
475 amdgpu_device_handle dev = fences[0].context->dev;
476 union drm_amdgpu_wait_fences args;
477 int r;
478 uint32_t i;
479
480 drm_fences = alloca(sizeof(struct drm_amdgpu_fence) * fence_count);
481 for (i = 0; i < fence_count; i++) {
482 drm_fences[i].ctx_id = fences[i].context->id;
483 drm_fences[i].ip_type = fences[i].ip_type;
484 drm_fences[i].ip_instance = fences[i].ip_instance;
485 drm_fences[i].ring = fences[i].ring;
486 drm_fences[i].seq_no = fences[i].fence;
487 }
488
489 memset(&args, 0, sizeof(args));
490 args.in.fences = (uint64_t)(uintptr_t)drm_fences;
491 args.in.fence_count = fence_count;
492 args.in.wait_all = wait_all;
493 args.in.timeout_ns = amdgpu_cs_calculate_timeout(timeout_ns);
494
495 r = drmIoctl(dev->fd, DRM_IOCTL_AMDGPU_WAIT_FENCES, &args);
496 if (r)
497 return -errno;
498
499 *status = args.out.status;
500
501 if (first)
502 *first = args.out.first_signaled;
503
504 return 0;
505 }
506
amdgpu_cs_wait_fences(struct amdgpu_cs_fence * fences,uint32_t fence_count,bool wait_all,uint64_t timeout_ns,uint32_t * status,uint32_t * first)507 drm_public int amdgpu_cs_wait_fences(struct amdgpu_cs_fence *fences,
508 uint32_t fence_count,
509 bool wait_all,
510 uint64_t timeout_ns,
511 uint32_t *status,
512 uint32_t *first)
513 {
514 uint32_t i;
515
516 /* Sanity check */
517 if (!fences || !status || !fence_count)
518 return -EINVAL;
519
520 for (i = 0; i < fence_count; i++) {
521 if (NULL == fences[i].context)
522 return -EINVAL;
523 if (fences[i].ip_type >= AMDGPU_HW_IP_NUM)
524 return -EINVAL;
525 if (fences[i].ring >= AMDGPU_CS_MAX_RINGS)
526 return -EINVAL;
527 }
528
529 *status = 0;
530
531 return amdgpu_ioctl_wait_fences(fences, fence_count, wait_all,
532 timeout_ns, status, first);
533 }
534
amdgpu_cs_create_semaphore(amdgpu_semaphore_handle * sem)535 drm_public int amdgpu_cs_create_semaphore(amdgpu_semaphore_handle *sem)
536 {
537 struct amdgpu_semaphore *gpu_semaphore;
538
539 if (!sem)
540 return -EINVAL;
541
542 gpu_semaphore = calloc(1, sizeof(struct amdgpu_semaphore));
543 if (!gpu_semaphore)
544 return -ENOMEM;
545
546 atomic_set(&gpu_semaphore->refcount, 1);
547 *sem = gpu_semaphore;
548
549 return 0;
550 }
551
amdgpu_cs_signal_semaphore(amdgpu_context_handle ctx,uint32_t ip_type,uint32_t ip_instance,uint32_t ring,amdgpu_semaphore_handle sem)552 drm_public int amdgpu_cs_signal_semaphore(amdgpu_context_handle ctx,
553 uint32_t ip_type,
554 uint32_t ip_instance,
555 uint32_t ring,
556 amdgpu_semaphore_handle sem)
557 {
558 if (!ctx || !sem)
559 return -EINVAL;
560 if (ip_type >= AMDGPU_HW_IP_NUM)
561 return -EINVAL;
562 if (ring >= AMDGPU_CS_MAX_RINGS)
563 return -EINVAL;
564 /* sem has been signaled */
565 if (sem->signal_fence.context)
566 return -EINVAL;
567 pthread_mutex_lock(&ctx->sequence_mutex);
568 sem->signal_fence.context = ctx;
569 sem->signal_fence.ip_type = ip_type;
570 sem->signal_fence.ip_instance = ip_instance;
571 sem->signal_fence.ring = ring;
572 sem->signal_fence.fence = ctx->last_seq[ip_type][ip_instance][ring];
573 update_references(NULL, &sem->refcount);
574 pthread_mutex_unlock(&ctx->sequence_mutex);
575 return 0;
576 }
577
amdgpu_cs_wait_semaphore(amdgpu_context_handle ctx,uint32_t ip_type,uint32_t ip_instance,uint32_t ring,amdgpu_semaphore_handle sem)578 drm_public int amdgpu_cs_wait_semaphore(amdgpu_context_handle ctx,
579 uint32_t ip_type,
580 uint32_t ip_instance,
581 uint32_t ring,
582 amdgpu_semaphore_handle sem)
583 {
584 if (!ctx || !sem)
585 return -EINVAL;
586 if (ip_type >= AMDGPU_HW_IP_NUM)
587 return -EINVAL;
588 if (ring >= AMDGPU_CS_MAX_RINGS)
589 return -EINVAL;
590 /* must signal first */
591 if (!sem->signal_fence.context)
592 return -EINVAL;
593
594 pthread_mutex_lock(&ctx->sequence_mutex);
595 list_add(&sem->list, &ctx->sem_list[ip_type][ip_instance][ring]);
596 pthread_mutex_unlock(&ctx->sequence_mutex);
597 return 0;
598 }
599
amdgpu_cs_reset_sem(amdgpu_semaphore_handle sem)600 static int amdgpu_cs_reset_sem(amdgpu_semaphore_handle sem)
601 {
602 if (!sem || !sem->signal_fence.context)
603 return -EINVAL;
604
605 sem->signal_fence.context = NULL;
606 sem->signal_fence.ip_type = 0;
607 sem->signal_fence.ip_instance = 0;
608 sem->signal_fence.ring = 0;
609 sem->signal_fence.fence = 0;
610
611 return 0;
612 }
613
amdgpu_cs_unreference_sem(amdgpu_semaphore_handle sem)614 static int amdgpu_cs_unreference_sem(amdgpu_semaphore_handle sem)
615 {
616 if (!sem)
617 return -EINVAL;
618
619 if (update_references(&sem->refcount, NULL))
620 free(sem);
621 return 0;
622 }
623
amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem)624 drm_public int amdgpu_cs_destroy_semaphore(amdgpu_semaphore_handle sem)
625 {
626 return amdgpu_cs_unreference_sem(sem);
627 }
628
amdgpu_cs_create_syncobj2(amdgpu_device_handle dev,uint32_t flags,uint32_t * handle)629 drm_public int amdgpu_cs_create_syncobj2(amdgpu_device_handle dev,
630 uint32_t flags,
631 uint32_t *handle)
632 {
633 if (NULL == dev)
634 return -EINVAL;
635
636 return drmSyncobjCreate(dev->fd, flags, handle);
637 }
638
amdgpu_cs_create_syncobj(amdgpu_device_handle dev,uint32_t * handle)639 drm_public int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
640 uint32_t *handle)
641 {
642 if (NULL == dev)
643 return -EINVAL;
644
645 return drmSyncobjCreate(dev->fd, 0, handle);
646 }
647
amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,uint32_t handle)648 drm_public int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
649 uint32_t handle)
650 {
651 if (NULL == dev)
652 return -EINVAL;
653
654 return drmSyncobjDestroy(dev->fd, handle);
655 }
656
amdgpu_cs_syncobj_reset(amdgpu_device_handle dev,const uint32_t * syncobjs,uint32_t syncobj_count)657 drm_public int amdgpu_cs_syncobj_reset(amdgpu_device_handle dev,
658 const uint32_t *syncobjs,
659 uint32_t syncobj_count)
660 {
661 if (NULL == dev)
662 return -EINVAL;
663
664 return drmSyncobjReset(dev->fd, syncobjs, syncobj_count);
665 }
666
amdgpu_cs_syncobj_signal(amdgpu_device_handle dev,const uint32_t * syncobjs,uint32_t syncobj_count)667 drm_public int amdgpu_cs_syncobj_signal(amdgpu_device_handle dev,
668 const uint32_t *syncobjs,
669 uint32_t syncobj_count)
670 {
671 if (NULL == dev)
672 return -EINVAL;
673
674 return drmSyncobjSignal(dev->fd, syncobjs, syncobj_count);
675 }
676
amdgpu_cs_syncobj_timeline_signal(amdgpu_device_handle dev,const uint32_t * syncobjs,uint64_t * points,uint32_t syncobj_count)677 drm_public int amdgpu_cs_syncobj_timeline_signal(amdgpu_device_handle dev,
678 const uint32_t *syncobjs,
679 uint64_t *points,
680 uint32_t syncobj_count)
681 {
682 if (NULL == dev)
683 return -EINVAL;
684
685 return drmSyncobjTimelineSignal(dev->fd, syncobjs,
686 points, syncobj_count);
687 }
688
amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,uint32_t * handles,unsigned num_handles,int64_t timeout_nsec,unsigned flags,uint32_t * first_signaled)689 drm_public int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
690 uint32_t *handles, unsigned num_handles,
691 int64_t timeout_nsec, unsigned flags,
692 uint32_t *first_signaled)
693 {
694 if (NULL == dev)
695 return -EINVAL;
696
697 return drmSyncobjWait(dev->fd, handles, num_handles, timeout_nsec,
698 flags, first_signaled);
699 }
700
amdgpu_cs_syncobj_timeline_wait(amdgpu_device_handle dev,uint32_t * handles,uint64_t * points,unsigned num_handles,int64_t timeout_nsec,unsigned flags,uint32_t * first_signaled)701 drm_public int amdgpu_cs_syncobj_timeline_wait(amdgpu_device_handle dev,
702 uint32_t *handles, uint64_t *points,
703 unsigned num_handles,
704 int64_t timeout_nsec, unsigned flags,
705 uint32_t *first_signaled)
706 {
707 if (NULL == dev)
708 return -EINVAL;
709
710 return drmSyncobjTimelineWait(dev->fd, handles, points, num_handles,
711 timeout_nsec, flags, first_signaled);
712 }
713
amdgpu_cs_syncobj_query(amdgpu_device_handle dev,uint32_t * handles,uint64_t * points,unsigned num_handles)714 drm_public int amdgpu_cs_syncobj_query(amdgpu_device_handle dev,
715 uint32_t *handles, uint64_t *points,
716 unsigned num_handles)
717 {
718 if (NULL == dev)
719 return -EINVAL;
720
721 return drmSyncobjQuery(dev->fd, handles, points, num_handles);
722 }
723
amdgpu_cs_export_syncobj(amdgpu_device_handle dev,uint32_t handle,int * shared_fd)724 drm_public int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
725 uint32_t handle,
726 int *shared_fd)
727 {
728 if (NULL == dev)
729 return -EINVAL;
730
731 return drmSyncobjHandleToFD(dev->fd, handle, shared_fd);
732 }
733
amdgpu_cs_import_syncobj(amdgpu_device_handle dev,int shared_fd,uint32_t * handle)734 drm_public int amdgpu_cs_import_syncobj(amdgpu_device_handle dev,
735 int shared_fd,
736 uint32_t *handle)
737 {
738 if (NULL == dev)
739 return -EINVAL;
740
741 return drmSyncobjFDToHandle(dev->fd, shared_fd, handle);
742 }
743
amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev,uint32_t syncobj,int * sync_file_fd)744 drm_public int amdgpu_cs_syncobj_export_sync_file(amdgpu_device_handle dev,
745 uint32_t syncobj,
746 int *sync_file_fd)
747 {
748 if (NULL == dev)
749 return -EINVAL;
750
751 return drmSyncobjExportSyncFile(dev->fd, syncobj, sync_file_fd);
752 }
753
amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,uint32_t syncobj,int sync_file_fd)754 drm_public int amdgpu_cs_syncobj_import_sync_file(amdgpu_device_handle dev,
755 uint32_t syncobj,
756 int sync_file_fd)
757 {
758 if (NULL == dev)
759 return -EINVAL;
760
761 return drmSyncobjImportSyncFile(dev->fd, syncobj, sync_file_fd);
762 }
763
amdgpu_cs_syncobj_export_sync_file2(amdgpu_device_handle dev,uint32_t syncobj,uint64_t point,uint32_t flags,int * sync_file_fd)764 drm_public int amdgpu_cs_syncobj_export_sync_file2(amdgpu_device_handle dev,
765 uint32_t syncobj,
766 uint64_t point,
767 uint32_t flags,
768 int *sync_file_fd)
769 {
770 uint32_t binary_handle;
771 int ret;
772
773 if (NULL == dev)
774 return -EINVAL;
775
776 if (!point)
777 return drmSyncobjExportSyncFile(dev->fd, syncobj, sync_file_fd);
778
779 ret = drmSyncobjCreate(dev->fd, 0, &binary_handle);
780 if (ret)
781 return ret;
782
783 ret = drmSyncobjTransfer(dev->fd, binary_handle, 0,
784 syncobj, point, flags);
785 if (ret)
786 goto out;
787 ret = drmSyncobjExportSyncFile(dev->fd, binary_handle, sync_file_fd);
788 out:
789 drmSyncobjDestroy(dev->fd, binary_handle);
790 return ret;
791 }
792
amdgpu_cs_syncobj_import_sync_file2(amdgpu_device_handle dev,uint32_t syncobj,uint64_t point,int sync_file_fd)793 drm_public int amdgpu_cs_syncobj_import_sync_file2(amdgpu_device_handle dev,
794 uint32_t syncobj,
795 uint64_t point,
796 int sync_file_fd)
797 {
798 uint32_t binary_handle;
799 int ret;
800
801 if (NULL == dev)
802 return -EINVAL;
803
804 if (!point)
805 return drmSyncobjImportSyncFile(dev->fd, syncobj, sync_file_fd);
806
807 ret = drmSyncobjCreate(dev->fd, 0, &binary_handle);
808 if (ret)
809 return ret;
810 ret = drmSyncobjImportSyncFile(dev->fd, binary_handle, sync_file_fd);
811 if (ret)
812 goto out;
813 ret = drmSyncobjTransfer(dev->fd, syncobj, point,
814 binary_handle, 0, 0);
815 out:
816 drmSyncobjDestroy(dev->fd, binary_handle);
817 return ret;
818 }
819
amdgpu_cs_syncobj_transfer(amdgpu_device_handle dev,uint32_t dst_handle,uint64_t dst_point,uint32_t src_handle,uint64_t src_point,uint32_t flags)820 drm_public int amdgpu_cs_syncobj_transfer(amdgpu_device_handle dev,
821 uint32_t dst_handle,
822 uint64_t dst_point,
823 uint32_t src_handle,
824 uint64_t src_point,
825 uint32_t flags)
826 {
827 if (NULL == dev)
828 return -EINVAL;
829
830 return drmSyncobjTransfer(dev->fd,
831 dst_handle, dst_point,
832 src_handle, src_point,
833 flags);
834 }
835
amdgpu_cs_submit_raw(amdgpu_device_handle dev,amdgpu_context_handle context,amdgpu_bo_list_handle bo_list_handle,int num_chunks,struct drm_amdgpu_cs_chunk * chunks,uint64_t * seq_no)836 drm_public int amdgpu_cs_submit_raw(amdgpu_device_handle dev,
837 amdgpu_context_handle context,
838 amdgpu_bo_list_handle bo_list_handle,
839 int num_chunks,
840 struct drm_amdgpu_cs_chunk *chunks,
841 uint64_t *seq_no)
842 {
843 union drm_amdgpu_cs cs;
844 uint64_t *chunk_array;
845 int i, r;
846 if (num_chunks == 0)
847 return -EINVAL;
848
849 memset(&cs, 0, sizeof(cs));
850 chunk_array = alloca(sizeof(uint64_t) * num_chunks);
851 for (i = 0; i < num_chunks; i++)
852 chunk_array[i] = (uint64_t)(uintptr_t)&chunks[i];
853 cs.in.chunks = (uint64_t)(uintptr_t)chunk_array;
854 cs.in.ctx_id = context->id;
855 cs.in.bo_list_handle = bo_list_handle ? bo_list_handle->handle : 0;
856 cs.in.num_chunks = num_chunks;
857 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_CS,
858 &cs, sizeof(cs));
859 if (r)
860 return r;
861
862 if (seq_no)
863 *seq_no = cs.out.handle;
864 return 0;
865 }
866
amdgpu_cs_submit_raw2(amdgpu_device_handle dev,amdgpu_context_handle context,uint32_t bo_list_handle,int num_chunks,struct drm_amdgpu_cs_chunk * chunks,uint64_t * seq_no)867 drm_public int amdgpu_cs_submit_raw2(amdgpu_device_handle dev,
868 amdgpu_context_handle context,
869 uint32_t bo_list_handle,
870 int num_chunks,
871 struct drm_amdgpu_cs_chunk *chunks,
872 uint64_t *seq_no)
873 {
874 union drm_amdgpu_cs cs;
875 uint64_t *chunk_array;
876 int i, r;
877
878 memset(&cs, 0, sizeof(cs));
879 chunk_array = alloca(sizeof(uint64_t) * num_chunks);
880 for (i = 0; i < num_chunks; i++)
881 chunk_array[i] = (uint64_t)(uintptr_t)&chunks[i];
882 cs.in.chunks = (uint64_t)(uintptr_t)chunk_array;
883 cs.in.ctx_id = context->id;
884 cs.in.bo_list_handle = bo_list_handle;
885 cs.in.num_chunks = num_chunks;
886 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_CS,
887 &cs, sizeof(cs));
888 if (!r && seq_no)
889 *seq_no = cs.out.handle;
890 return r;
891 }
892
amdgpu_cs_chunk_fence_info_to_data(struct amdgpu_cs_fence_info * fence_info,struct drm_amdgpu_cs_chunk_data * data)893 drm_public void amdgpu_cs_chunk_fence_info_to_data(struct amdgpu_cs_fence_info *fence_info,
894 struct drm_amdgpu_cs_chunk_data *data)
895 {
896 data->fence_data.handle = fence_info->handle->handle;
897 data->fence_data.offset = fence_info->offset * sizeof(uint64_t);
898 }
899
amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence * fence,struct drm_amdgpu_cs_chunk_dep * dep)900 drm_public void amdgpu_cs_chunk_fence_to_dep(struct amdgpu_cs_fence *fence,
901 struct drm_amdgpu_cs_chunk_dep *dep)
902 {
903 dep->ip_type = fence->ip_type;
904 dep->ip_instance = fence->ip_instance;
905 dep->ring = fence->ring;
906 dep->ctx_id = fence->context->id;
907 dep->handle = fence->fence;
908 }
909
amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,struct amdgpu_cs_fence * fence,uint32_t what,uint32_t * out_handle)910 drm_public int amdgpu_cs_fence_to_handle(amdgpu_device_handle dev,
911 struct amdgpu_cs_fence *fence,
912 uint32_t what,
913 uint32_t *out_handle)
914 {
915 union drm_amdgpu_fence_to_handle fth;
916 int r;
917
918 memset(&fth, 0, sizeof(fth));
919 fth.in.fence.ctx_id = fence->context->id;
920 fth.in.fence.ip_type = fence->ip_type;
921 fth.in.fence.ip_instance = fence->ip_instance;
922 fth.in.fence.ring = fence->ring;
923 fth.in.fence.seq_no = fence->fence;
924 fth.in.what = what;
925
926 r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_FENCE_TO_HANDLE,
927 &fth, sizeof(fth));
928 if (r == 0)
929 *out_handle = fth.out.handle;
930 return r;
931 }
932