2 * Copyright © 2015 Intel Corporation
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:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 * This file implements VkQueue, VkFence, and VkSemaphore
30 #include <sys/eventfd.h>
32 #include "anv_private.h"
35 #include "genxml/gen7_pack.h"
38 anv_device_execbuf(struct anv_device
*device
,
39 struct drm_i915_gem_execbuffer2
*execbuf
,
40 struct anv_bo
**execbuf_bos
)
42 int ret
= anv_gem_execbuffer(device
, execbuf
);
44 /* We don't know the real error. */
46 return vk_errorf(VK_ERROR_DEVICE_LOST
, "execbuf2 failed: %m");
49 struct drm_i915_gem_exec_object2
*objects
=
50 (void *)(uintptr_t)execbuf
->buffers_ptr
;
51 for (uint32_t k
= 0; k
< execbuf
->buffer_count
; k
++)
52 execbuf_bos
[k
]->offset
= objects
[k
].offset
;
58 anv_device_submit_simple_batch(struct anv_device
*device
,
59 struct anv_batch
*batch
)
61 struct drm_i915_gem_execbuffer2 execbuf
;
62 struct drm_i915_gem_exec_object2 exec2_objects
[1];
63 struct anv_bo bo
, *exec_bos
[1];
64 VkResult result
= VK_SUCCESS
;
67 /* Kernel driver requires 8 byte aligned batch length */
68 size
= align_u32(batch
->next
- batch
->start
, 8);
69 result
= anv_bo_pool_alloc(&device
->batch_bo_pool
, &bo
, size
);
70 if (result
!= VK_SUCCESS
)
73 memcpy(bo
.map
, batch
->start
, size
);
74 if (!device
->info
.has_llc
)
75 gen_flush_range(bo
.map
, size
);
78 exec2_objects
[0].handle
= bo
.gem_handle
;
79 exec2_objects
[0].relocation_count
= 0;
80 exec2_objects
[0].relocs_ptr
= 0;
81 exec2_objects
[0].alignment
= 0;
82 exec2_objects
[0].offset
= bo
.offset
;
83 exec2_objects
[0].flags
= 0;
84 exec2_objects
[0].rsvd1
= 0;
85 exec2_objects
[0].rsvd2
= 0;
87 execbuf
.buffers_ptr
= (uintptr_t) exec2_objects
;
88 execbuf
.buffer_count
= 1;
89 execbuf
.batch_start_offset
= 0;
90 execbuf
.batch_len
= size
;
91 execbuf
.cliprects_ptr
= 0;
92 execbuf
.num_cliprects
= 0;
97 I915_EXEC_HANDLE_LUT
| I915_EXEC_NO_RELOC
| I915_EXEC_RENDER
;
98 execbuf
.rsvd1
= device
->context_id
;
101 result
= anv_device_execbuf(device
, &execbuf
, exec_bos
);
102 if (result
!= VK_SUCCESS
)
105 result
= anv_device_wait(device
, &bo
, INT64_MAX
);
108 anv_bo_pool_free(&device
->batch_bo_pool
, &bo
);
113 VkResult
anv_QueueSubmit(
115 uint32_t submitCount
,
116 const VkSubmitInfo
* pSubmits
,
119 ANV_FROM_HANDLE(anv_queue
, queue
, _queue
);
120 struct anv_device
*device
= queue
->device
;
122 /* Query for device status prior to submitting. Technically, we don't need
123 * to do this. However, if we have a client that's submitting piles of
124 * garbage, we would rather break as early as possible to keep the GPU
125 * hanging contained. If we don't check here, we'll either be waiting for
126 * the kernel to kick us or we'll have to wait until the client waits on a
127 * fence before we actually know whether or not we've hung.
129 VkResult result
= anv_device_query_status(device
);
130 if (result
!= VK_SUCCESS
)
133 /* We lock around QueueSubmit for three main reasons:
135 * 1) When a block pool is resized, we create a new gem handle with a
136 * different size and, in the case of surface states, possibly a
137 * different center offset but we re-use the same anv_bo struct when
138 * we do so. If this happens in the middle of setting up an execbuf,
139 * we could end up with our list of BOs out of sync with our list of
142 * 2) The algorithm we use for building the list of unique buffers isn't
143 * thread-safe. While the client is supposed to syncronize around
144 * QueueSubmit, this would be extremely difficult to debug if it ever
145 * came up in the wild due to a broken app. It's better to play it
146 * safe and just lock around QueueSubmit.
148 * 3) The anv_cmd_buffer_execbuf function may perform relocations in
149 * userspace. Due to the fact that the surface state buffer is shared
150 * between batches, we can't afford to have that happen from multiple
151 * threads at the same time. Even though the user is supposed to
152 * ensure this doesn't happen, we play it safe as in (2) above.
154 * Since the only other things that ever take the device lock such as block
155 * pool resize only rarely happen, this will almost never be contended so
156 * taking a lock isn't really an expensive operation in this case.
158 pthread_mutex_lock(&device
->mutex
);
160 if (fence
&& submitCount
== 0) {
161 /* If we don't have any command buffers, we need to submit a dummy
162 * batch to give GEM something to wait on. We could, potentially,
163 * come up with something more efficient but this shouldn't be a
166 result
= anv_cmd_buffer_execbuf(device
, NULL
, NULL
, 0, NULL
, 0, fence
);
170 for (uint32_t i
= 0; i
< submitCount
; i
++) {
171 /* Fence for this submit. NULL for all but the last one */
172 VkFence submit_fence
= (i
== submitCount
- 1) ? fence
: VK_NULL_HANDLE
;
174 if (pSubmits
[i
].commandBufferCount
== 0) {
175 /* If we don't have any command buffers, we need to submit a dummy
176 * batch to give GEM something to wait on. We could, potentially,
177 * come up with something more efficient but this shouldn't be a
180 result
= anv_cmd_buffer_execbuf(device
, NULL
,
181 pSubmits
[i
].pWaitSemaphores
,
182 pSubmits
[i
].waitSemaphoreCount
,
183 pSubmits
[i
].pSignalSemaphores
,
184 pSubmits
[i
].signalSemaphoreCount
,
186 if (result
!= VK_SUCCESS
)
192 for (uint32_t j
= 0; j
< pSubmits
[i
].commandBufferCount
; j
++) {
193 ANV_FROM_HANDLE(anv_cmd_buffer
, cmd_buffer
,
194 pSubmits
[i
].pCommandBuffers
[j
]);
195 assert(cmd_buffer
->level
== VK_COMMAND_BUFFER_LEVEL_PRIMARY
);
196 assert(!anv_batch_has_error(&cmd_buffer
->batch
));
198 /* Fence for this execbuf. NULL for all but the last one */
199 VkFence execbuf_fence
=
200 (j
== pSubmits
[i
].commandBufferCount
- 1) ?
201 submit_fence
: VK_NULL_HANDLE
;
203 const VkSemaphore
*in_semaphores
= NULL
, *out_semaphores
= NULL
;
204 uint32_t num_in_semaphores
= 0, num_out_semaphores
= 0;
206 /* Only the first batch gets the in semaphores */
207 in_semaphores
= pSubmits
[i
].pWaitSemaphores
;
208 num_in_semaphores
= pSubmits
[i
].waitSemaphoreCount
;
211 if (j
== pSubmits
[i
].commandBufferCount
- 1) {
212 /* Only the last batch gets the out semaphores */
213 out_semaphores
= pSubmits
[i
].pSignalSemaphores
;
214 num_out_semaphores
= pSubmits
[i
].signalSemaphoreCount
;
217 result
= anv_cmd_buffer_execbuf(device
, cmd_buffer
,
218 in_semaphores
, num_in_semaphores
,
219 out_semaphores
, num_out_semaphores
,
221 if (result
!= VK_SUCCESS
)
226 pthread_cond_broadcast(&device
->queue_submit
);
229 if (result
!= VK_SUCCESS
) {
230 /* In the case that something has gone wrong we may end up with an
231 * inconsistent state from which it may not be trivial to recover.
232 * For example, we might have computed address relocations and
233 * any future attempt to re-submit this job will need to know about
234 * this and avoid computing relocation addresses again.
236 * To avoid this sort of issues, we assume that if something was
237 * wrong during submission we must already be in a really bad situation
238 * anyway (such us being out of memory) and return
239 * VK_ERROR_DEVICE_LOST to ensure that clients do not attempt to
240 * submit the same job again to this device.
242 result
= vk_errorf(VK_ERROR_DEVICE_LOST
, "vkQueueSubmit() failed");
246 pthread_mutex_unlock(&device
->mutex
);
251 VkResult
anv_QueueWaitIdle(
254 ANV_FROM_HANDLE(anv_queue
, queue
, _queue
);
256 return anv_DeviceWaitIdle(anv_device_to_handle(queue
->device
));
259 VkResult
anv_CreateFence(
261 const VkFenceCreateInfo
* pCreateInfo
,
262 const VkAllocationCallbacks
* pAllocator
,
265 ANV_FROM_HANDLE(anv_device
, device
, _device
);
266 struct anv_fence
*fence
;
268 assert(pCreateInfo
->sType
== VK_STRUCTURE_TYPE_FENCE_CREATE_INFO
);
270 fence
= vk_zalloc2(&device
->alloc
, pAllocator
, sizeof(*fence
), 8,
271 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT
);
273 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
275 if (device
->instance
->physicalDevice
.has_syncobj_wait
) {
276 fence
->permanent
.type
= ANV_FENCE_TYPE_SYNCOBJ
;
278 uint32_t create_flags
= 0;
279 if (pCreateInfo
->flags
& VK_FENCE_CREATE_SIGNALED_BIT
)
280 create_flags
|= DRM_SYNCOBJ_CREATE_SIGNALED
;
282 fence
->permanent
.syncobj
= anv_gem_syncobj_create(device
, create_flags
);
283 if (!fence
->permanent
.syncobj
)
284 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
286 fence
->permanent
.type
= ANV_FENCE_TYPE_BO
;
288 VkResult result
= anv_bo_pool_alloc(&device
->batch_bo_pool
,
289 &fence
->permanent
.bo
.bo
, 4096);
290 if (result
!= VK_SUCCESS
)
293 if (pCreateInfo
->flags
& VK_FENCE_CREATE_SIGNALED_BIT
) {
294 fence
->permanent
.bo
.state
= ANV_BO_FENCE_STATE_SIGNALED
;
296 fence
->permanent
.bo
.state
= ANV_BO_FENCE_STATE_RESET
;
300 *pFence
= anv_fence_to_handle(fence
);
306 anv_fence_impl_cleanup(struct anv_device
*device
,
307 struct anv_fence_impl
*impl
)
309 switch (impl
->type
) {
310 case ANV_FENCE_TYPE_NONE
:
311 /* Dummy. Nothing to do */
314 case ANV_FENCE_TYPE_BO
:
315 anv_bo_pool_free(&device
->batch_bo_pool
, &impl
->bo
.bo
);
318 case ANV_FENCE_TYPE_SYNCOBJ
:
319 anv_gem_syncobj_destroy(device
, impl
->syncobj
);
323 unreachable("Invalid fence type");
326 void anv_DestroyFence(
329 const VkAllocationCallbacks
* pAllocator
)
331 ANV_FROM_HANDLE(anv_device
, device
, _device
);
332 ANV_FROM_HANDLE(anv_fence
, fence
, _fence
);
337 anv_fence_impl_cleanup(device
, &fence
->temporary
);
338 anv_fence_impl_cleanup(device
, &fence
->permanent
);
340 vk_free2(&device
->alloc
, pAllocator
, fence
);
343 VkResult
anv_ResetFences(
346 const VkFence
* pFences
)
348 ANV_FROM_HANDLE(anv_device
, device
, _device
);
350 for (uint32_t i
= 0; i
< fenceCount
; i
++) {
351 ANV_FROM_HANDLE(anv_fence
, fence
, pFences
[i
]);
353 /* From the Vulkan 1.0.53 spec:
355 * "If any member of pFences currently has its payload imported with
356 * temporary permanence, that fence’s prior permanent payload is
357 * first restored. The remaining operations described therefore
358 * operate on the restored payload.
360 if (fence
->temporary
.type
!= ANV_FENCE_TYPE_NONE
) {
361 anv_fence_impl_cleanup(device
, &fence
->temporary
);
362 fence
->temporary
.type
= ANV_FENCE_TYPE_NONE
;
365 struct anv_fence_impl
*impl
= &fence
->permanent
;
367 switch (impl
->type
) {
368 case ANV_FENCE_TYPE_BO
:
369 impl
->bo
.state
= ANV_BO_FENCE_STATE_RESET
;
372 case ANV_FENCE_TYPE_SYNCOBJ
:
373 anv_gem_syncobj_reset(device
, impl
->syncobj
);
377 unreachable("Invalid fence type");
384 VkResult
anv_GetFenceStatus(
388 ANV_FROM_HANDLE(anv_device
, device
, _device
);
389 ANV_FROM_HANDLE(anv_fence
, fence
, _fence
);
391 if (unlikely(device
->lost
))
392 return VK_ERROR_DEVICE_LOST
;
394 struct anv_fence_impl
*impl
=
395 fence
->temporary
.type
!= ANV_FENCE_TYPE_NONE
?
396 &fence
->temporary
: &fence
->permanent
;
398 switch (impl
->type
) {
399 case ANV_FENCE_TYPE_BO
:
400 /* BO fences don't support import/export */
401 assert(fence
->temporary
.type
== ANV_FENCE_TYPE_NONE
);
402 switch (impl
->bo
.state
) {
403 case ANV_BO_FENCE_STATE_RESET
:
404 /* If it hasn't even been sent off to the GPU yet, it's not ready */
407 case ANV_BO_FENCE_STATE_SIGNALED
:
408 /* It's been signaled, return success */
411 case ANV_BO_FENCE_STATE_SUBMITTED
: {
412 VkResult result
= anv_device_bo_busy(device
, &impl
->bo
.bo
);
413 if (result
== VK_SUCCESS
) {
414 impl
->bo
.state
= ANV_BO_FENCE_STATE_SIGNALED
;
421 unreachable("Invalid fence status");
424 case ANV_FENCE_TYPE_SYNCOBJ
: {
425 int ret
= anv_gem_syncobj_wait(device
, &impl
->syncobj
, 1, 0, true);
427 if (errno
== ETIME
) {
430 /* We don't know the real error. */
432 return vk_errorf(VK_ERROR_DEVICE_LOST
,
433 "drm_syncobj_wait failed: %m");
441 unreachable("Invalid fence type");
445 #define NSEC_PER_SEC 1000000000
446 #define INT_TYPE_MAX(type) ((1ull << (sizeof(type) * 8 - 1)) - 1)
451 struct timespec current
;
452 clock_gettime(CLOCK_MONOTONIC
, ¤t
);
453 return (uint64_t)current
.tv_sec
* NSEC_PER_SEC
+ current
.tv_nsec
;
457 anv_wait_for_syncobj_fences(struct anv_device
*device
,
459 const VkFence
*pFences
,
463 uint32_t *syncobjs
= vk_zalloc(&device
->alloc
,
464 sizeof(*syncobjs
) * fenceCount
, 8,
465 VK_SYSTEM_ALLOCATION_SCOPE_COMMAND
);
467 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
469 for (uint32_t i
= 0; i
< fenceCount
; i
++) {
470 ANV_FROM_HANDLE(anv_fence
, fence
, pFences
[i
]);
471 assert(fence
->permanent
.type
== ANV_FENCE_TYPE_SYNCOBJ
);
473 struct anv_fence_impl
*impl
=
474 fence
->temporary
.type
!= ANV_FENCE_TYPE_NONE
?
475 &fence
->temporary
: &fence
->permanent
;
477 assert(impl
->type
== ANV_FENCE_TYPE_SYNCOBJ
);
478 syncobjs
[i
] = impl
->syncobj
;
481 int64_t abs_timeout_ns
= 0;
483 uint64_t current_ns
= gettime_ns();
485 /* Add but saturate to INT32_MAX */
486 if (current_ns
+ _timeout
< current_ns
)
487 abs_timeout_ns
= INT64_MAX
;
488 else if (current_ns
+ _timeout
> INT64_MAX
)
489 abs_timeout_ns
= INT64_MAX
;
491 abs_timeout_ns
= current_ns
+ _timeout
;
494 /* The gem_syncobj_wait ioctl may return early due to an inherent
495 * limitation in the way it computes timeouts. Loop until we've actually
496 * passed the timeout.
500 ret
= anv_gem_syncobj_wait(device
, syncobjs
, fenceCount
,
501 abs_timeout_ns
, waitAll
);
502 } while (ret
== -1 && errno
== ETIME
&& gettime_ns() < abs_timeout_ns
);
504 vk_free(&device
->alloc
, syncobjs
);
507 if (errno
== ETIME
) {
510 /* We don't know the real error. */
512 return vk_errorf(VK_ERROR_DEVICE_LOST
,
513 "drm_syncobj_wait failed: %m");
521 anv_wait_for_bo_fences(struct anv_device
*device
,
523 const VkFence
*pFences
,
529 /* DRM_IOCTL_I915_GEM_WAIT uses a signed 64 bit timeout and is supposed
530 * to block indefinitely timeouts <= 0. Unfortunately, this was broken
531 * for a couple of kernel releases. Since there's no way to know
532 * whether or not the kernel we're using is one of the broken ones, the
533 * best we can do is to clamp the timeout to INT64_MAX. This limits the
534 * maximum timeout from 584 years to 292 years - likely not a big deal.
536 int64_t timeout
= MIN2(_timeout
, INT64_MAX
);
538 VkResult result
= VK_SUCCESS
;
539 uint32_t pending_fences
= fenceCount
;
540 while (pending_fences
) {
542 bool signaled_fences
= false;
543 for (uint32_t i
= 0; i
< fenceCount
; i
++) {
544 ANV_FROM_HANDLE(anv_fence
, fence
, pFences
[i
]);
546 /* This function assumes that all fences are BO fences and that they
547 * have no temporary state. Since BO fences will never be exported,
548 * this should be a safe assumption.
550 assert(fence
->permanent
.type
== ANV_FENCE_TYPE_BO
);
551 assert(fence
->temporary
.type
== ANV_FENCE_TYPE_NONE
);
552 struct anv_fence_impl
*impl
= &fence
->permanent
;
554 switch (impl
->bo
.state
) {
555 case ANV_BO_FENCE_STATE_RESET
:
556 /* This fence hasn't been submitted yet, we'll catch it the next
557 * time around. Yes, this may mean we dead-loop but, short of
558 * lots of locking and a condition variable, there's not much that
559 * we can do about that.
564 case ANV_BO_FENCE_STATE_SIGNALED
:
565 /* This fence is not pending. If waitAll isn't set, we can return
566 * early. Otherwise, we have to keep going.
574 case ANV_BO_FENCE_STATE_SUBMITTED
:
575 /* These are the fences we really care about. Go ahead and wait
576 * on it until we hit a timeout.
578 result
= anv_device_wait(device
, &impl
->bo
.bo
, timeout
);
581 impl
->bo
.state
= ANV_BO_FENCE_STATE_SIGNALED
;
582 signaled_fences
= true;
596 if (pending_fences
&& !signaled_fences
) {
597 /* If we've hit this then someone decided to vkWaitForFences before
598 * they've actually submitted any of them to a queue. This is a
599 * fairly pessimal case, so it's ok to lock here and use a standard
600 * pthreads condition variable.
602 pthread_mutex_lock(&device
->mutex
);
604 /* It's possible that some of the fences have changed state since the
605 * last time we checked. Now that we have the lock, check for
606 * pending fences again and don't wait if it's changed.
608 uint32_t now_pending_fences
= 0;
609 for (uint32_t i
= 0; i
< fenceCount
; i
++) {
610 ANV_FROM_HANDLE(anv_fence
, fence
, pFences
[i
]);
611 if (fence
->permanent
.bo
.state
== ANV_BO_FENCE_STATE_RESET
)
612 now_pending_fences
++;
614 assert(now_pending_fences
<= pending_fences
);
616 if (now_pending_fences
== pending_fences
) {
617 struct timespec before
;
618 clock_gettime(CLOCK_MONOTONIC
, &before
);
620 uint32_t abs_nsec
= before
.tv_nsec
+ timeout
% NSEC_PER_SEC
;
621 uint64_t abs_sec
= before
.tv_sec
+ (abs_nsec
/ NSEC_PER_SEC
) +
622 (timeout
/ NSEC_PER_SEC
);
623 abs_nsec
%= NSEC_PER_SEC
;
625 /* Avoid roll-over in tv_sec on 32-bit systems if the user
626 * provided timeout is UINT64_MAX
628 struct timespec abstime
;
629 abstime
.tv_nsec
= abs_nsec
;
630 abstime
.tv_sec
= MIN2(abs_sec
, INT_TYPE_MAX(abstime
.tv_sec
));
632 ret
= pthread_cond_timedwait(&device
->queue_submit
,
633 &device
->mutex
, &abstime
);
634 assert(ret
!= EINVAL
);
636 struct timespec after
;
637 clock_gettime(CLOCK_MONOTONIC
, &after
);
638 uint64_t time_elapsed
=
639 ((uint64_t)after
.tv_sec
* NSEC_PER_SEC
+ after
.tv_nsec
) -
640 ((uint64_t)before
.tv_sec
* NSEC_PER_SEC
+ before
.tv_nsec
);
642 if (time_elapsed
>= timeout
) {
643 pthread_mutex_unlock(&device
->mutex
);
648 timeout
-= time_elapsed
;
651 pthread_mutex_unlock(&device
->mutex
);
656 if (unlikely(device
->lost
))
657 return VK_ERROR_DEVICE_LOST
;
662 VkResult
anv_WaitForFences(
665 const VkFence
* pFences
,
669 ANV_FROM_HANDLE(anv_device
, device
, _device
);
671 if (unlikely(device
->lost
))
672 return VK_ERROR_DEVICE_LOST
;
674 if (device
->instance
->physicalDevice
.has_syncobj_wait
) {
675 return anv_wait_for_syncobj_fences(device
, fenceCount
, pFences
,
678 return anv_wait_for_bo_fences(device
, fenceCount
, pFences
,
683 void anv_GetPhysicalDeviceExternalFencePropertiesKHR(
684 VkPhysicalDevice physicalDevice
,
685 const VkPhysicalDeviceExternalFenceInfoKHR
* pExternalFenceInfo
,
686 VkExternalFencePropertiesKHR
* pExternalFenceProperties
)
688 ANV_FROM_HANDLE(anv_physical_device
, device
, physicalDevice
);
690 switch (pExternalFenceInfo
->handleType
) {
691 case VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
:
692 case VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT_KHR
:
693 if (device
->has_syncobj_wait
) {
694 pExternalFenceProperties
->exportFromImportedHandleTypes
=
695 VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
|
696 VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT_KHR
;
697 pExternalFenceProperties
->compatibleHandleTypes
=
698 VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
|
699 VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT_KHR
;
700 pExternalFenceProperties
->externalFenceFeatures
=
701 VK_EXTERNAL_FENCE_FEATURE_EXPORTABLE_BIT_KHR
|
702 VK_EXTERNAL_FENCE_FEATURE_IMPORTABLE_BIT_KHR
;
711 pExternalFenceProperties
->exportFromImportedHandleTypes
= 0;
712 pExternalFenceProperties
->compatibleHandleTypes
= 0;
713 pExternalFenceProperties
->externalFenceFeatures
= 0;
716 VkResult
anv_ImportFenceFdKHR(
718 const VkImportFenceFdInfoKHR
* pImportFenceFdInfo
)
720 ANV_FROM_HANDLE(anv_device
, device
, _device
);
721 ANV_FROM_HANDLE(anv_fence
, fence
, pImportFenceFdInfo
->fence
);
722 int fd
= pImportFenceFdInfo
->fd
;
724 assert(pImportFenceFdInfo
->sType
==
725 VK_STRUCTURE_TYPE_IMPORT_FENCE_FD_INFO_KHR
);
727 struct anv_fence_impl new_impl
= {
728 .type
= ANV_FENCE_TYPE_NONE
,
731 switch (pImportFenceFdInfo
->handleType
) {
732 case VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
:
733 new_impl
.type
= ANV_FENCE_TYPE_SYNCOBJ
;
735 new_impl
.syncobj
= anv_gem_syncobj_fd_to_handle(device
, fd
);
736 if (!new_impl
.syncobj
)
737 return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
);
741 case VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT_KHR
:
742 /* Sync files are a bit tricky. Because we want to continue using the
743 * syncobj implementation of WaitForFences, we don't use the sync file
744 * directly but instead import it into a syncobj.
746 new_impl
.type
= ANV_FENCE_TYPE_SYNCOBJ
;
748 new_impl
.syncobj
= anv_gem_syncobj_create(device
, 0);
749 if (!new_impl
.syncobj
)
750 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
752 if (anv_gem_syncobj_import_sync_file(device
, new_impl
.syncobj
, fd
)) {
753 anv_gem_syncobj_destroy(device
, new_impl
.syncobj
);
754 return vk_errorf(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
,
755 "syncobj sync file import failed: %m");
760 return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
);
763 /* From the Vulkan 1.0.53 spec:
765 * "Importing a fence payload from a file descriptor transfers
766 * ownership of the file descriptor from the application to the
767 * Vulkan implementation. The application must not perform any
768 * operations on the file descriptor after a successful import."
770 * If the import fails, we leave the file descriptor open.
774 if (pImportFenceFdInfo
->flags
& VK_FENCE_IMPORT_TEMPORARY_BIT_KHR
) {
775 anv_fence_impl_cleanup(device
, &fence
->temporary
);
776 fence
->temporary
= new_impl
;
778 anv_fence_impl_cleanup(device
, &fence
->permanent
);
779 fence
->permanent
= new_impl
;
785 VkResult
anv_GetFenceFdKHR(
787 const VkFenceGetFdInfoKHR
* pGetFdInfo
,
790 ANV_FROM_HANDLE(anv_device
, device
, _device
);
791 ANV_FROM_HANDLE(anv_fence
, fence
, pGetFdInfo
->fence
);
793 assert(pGetFdInfo
->sType
== VK_STRUCTURE_TYPE_FENCE_GET_FD_INFO_KHR
);
795 struct anv_fence_impl
*impl
=
796 fence
->temporary
.type
!= ANV_FENCE_TYPE_NONE
?
797 &fence
->temporary
: &fence
->permanent
;
799 assert(impl
->type
== ANV_FENCE_TYPE_SYNCOBJ
);
800 switch (pGetFdInfo
->handleType
) {
801 case VK_EXTERNAL_FENCE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
: {
802 int fd
= anv_gem_syncobj_handle_to_fd(device
, impl
->syncobj
);
804 return vk_error(VK_ERROR_TOO_MANY_OBJECTS
);
810 case VK_EXTERNAL_FENCE_HANDLE_TYPE_SYNC_FD_BIT_KHR
: {
811 int fd
= anv_gem_syncobj_export_sync_file(device
, impl
->syncobj
);
813 return vk_error(VK_ERROR_TOO_MANY_OBJECTS
);
820 unreachable("Invalid fence export handle type");
823 /* From the Vulkan 1.0.53 spec:
825 * "Export operations have the same transference as the specified handle
826 * type’s import operations. [...] If the fence was using a
827 * temporarily imported payload, the fence’s prior permanent payload
830 if (impl
== &fence
->temporary
)
831 anv_fence_impl_cleanup(device
, impl
);
836 // Queue semaphore functions
838 VkResult
anv_CreateSemaphore(
840 const VkSemaphoreCreateInfo
* pCreateInfo
,
841 const VkAllocationCallbacks
* pAllocator
,
842 VkSemaphore
* pSemaphore
)
844 ANV_FROM_HANDLE(anv_device
, device
, _device
);
845 struct anv_semaphore
*semaphore
;
847 assert(pCreateInfo
->sType
== VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO
);
849 semaphore
= vk_alloc2(&device
->alloc
, pAllocator
, sizeof(*semaphore
), 8,
850 VK_SYSTEM_ALLOCATION_SCOPE_OBJECT
);
851 if (semaphore
== NULL
)
852 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
854 const VkExportSemaphoreCreateInfoKHR
*export
=
855 vk_find_struct_const(pCreateInfo
->pNext
, EXPORT_SEMAPHORE_CREATE_INFO_KHR
);
856 VkExternalSemaphoreHandleTypeFlagsKHR handleTypes
=
857 export
? export
->handleTypes
: 0;
859 if (handleTypes
== 0) {
860 /* The DRM execbuffer ioctl always execute in-oder so long as you stay
861 * on the same ring. Since we don't expose the blit engine as a DMA
862 * queue, a dummy no-op semaphore is a perfectly valid implementation.
864 semaphore
->permanent
.type
= ANV_SEMAPHORE_TYPE_DUMMY
;
865 } else if (handleTypes
& VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
) {
866 assert(handleTypes
== VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
);
867 if (device
->instance
->physicalDevice
.has_syncobj
) {
868 semaphore
->permanent
.type
= ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ
;
869 semaphore
->permanent
.syncobj
= anv_gem_syncobj_create(device
, 0);
870 if (!semaphore
->permanent
.syncobj
) {
871 vk_free2(&device
->alloc
, pAllocator
, semaphore
);
872 return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY
);
875 semaphore
->permanent
.type
= ANV_SEMAPHORE_TYPE_BO
;
876 VkResult result
= anv_bo_cache_alloc(device
, &device
->bo_cache
,
877 4096, &semaphore
->permanent
.bo
);
878 if (result
!= VK_SUCCESS
) {
879 vk_free2(&device
->alloc
, pAllocator
, semaphore
);
883 /* If we're going to use this as a fence, we need to *not* have the
884 * EXEC_OBJECT_ASYNC bit set.
886 assert(!(semaphore
->permanent
.bo
->flags
& EXEC_OBJECT_ASYNC
));
888 } else if (handleTypes
& VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT_KHR
) {
889 assert(handleTypes
== VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT_KHR
);
891 semaphore
->permanent
.type
= ANV_SEMAPHORE_TYPE_SYNC_FILE
;
892 semaphore
->permanent
.fd
= -1;
894 assert(!"Unknown handle type");
895 vk_free2(&device
->alloc
, pAllocator
, semaphore
);
896 return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
);
899 semaphore
->temporary
.type
= ANV_SEMAPHORE_TYPE_NONE
;
901 *pSemaphore
= anv_semaphore_to_handle(semaphore
);
907 anv_semaphore_impl_cleanup(struct anv_device
*device
,
908 struct anv_semaphore_impl
*impl
)
910 switch (impl
->type
) {
911 case ANV_SEMAPHORE_TYPE_NONE
:
912 case ANV_SEMAPHORE_TYPE_DUMMY
:
913 /* Dummy. Nothing to do */
916 case ANV_SEMAPHORE_TYPE_BO
:
917 anv_bo_cache_release(device
, &device
->bo_cache
, impl
->bo
);
920 case ANV_SEMAPHORE_TYPE_SYNC_FILE
:
924 case ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ
:
925 anv_gem_syncobj_destroy(device
, impl
->syncobj
);
929 unreachable("Invalid semaphore type");
933 anv_semaphore_reset_temporary(struct anv_device
*device
,
934 struct anv_semaphore
*semaphore
)
936 if (semaphore
->temporary
.type
== ANV_SEMAPHORE_TYPE_NONE
)
939 anv_semaphore_impl_cleanup(device
, &semaphore
->temporary
);
940 semaphore
->temporary
.type
= ANV_SEMAPHORE_TYPE_NONE
;
943 void anv_DestroySemaphore(
945 VkSemaphore _semaphore
,
946 const VkAllocationCallbacks
* pAllocator
)
948 ANV_FROM_HANDLE(anv_device
, device
, _device
);
949 ANV_FROM_HANDLE(anv_semaphore
, semaphore
, _semaphore
);
951 if (semaphore
== NULL
)
954 anv_semaphore_impl_cleanup(device
, &semaphore
->temporary
);
955 anv_semaphore_impl_cleanup(device
, &semaphore
->permanent
);
957 vk_free2(&device
->alloc
, pAllocator
, semaphore
);
960 void anv_GetPhysicalDeviceExternalSemaphorePropertiesKHR(
961 VkPhysicalDevice physicalDevice
,
962 const VkPhysicalDeviceExternalSemaphoreInfoKHR
* pExternalSemaphoreInfo
,
963 VkExternalSemaphorePropertiesKHR
* pExternalSemaphoreProperties
)
965 ANV_FROM_HANDLE(anv_physical_device
, device
, physicalDevice
);
967 switch (pExternalSemaphoreInfo
->handleType
) {
968 case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
:
969 pExternalSemaphoreProperties
->exportFromImportedHandleTypes
=
970 VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
;
971 pExternalSemaphoreProperties
->compatibleHandleTypes
=
972 VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
;
973 pExternalSemaphoreProperties
->externalSemaphoreFeatures
=
974 VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT_KHR
|
975 VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT_KHR
;
978 case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT_KHR
:
979 if (device
->has_exec_fence
) {
980 pExternalSemaphoreProperties
->exportFromImportedHandleTypes
= 0;
981 pExternalSemaphoreProperties
->compatibleHandleTypes
=
982 VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT_KHR
;
983 pExternalSemaphoreProperties
->externalSemaphoreFeatures
=
984 VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT_KHR
|
985 VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT_KHR
;
994 pExternalSemaphoreProperties
->exportFromImportedHandleTypes
= 0;
995 pExternalSemaphoreProperties
->compatibleHandleTypes
= 0;
996 pExternalSemaphoreProperties
->externalSemaphoreFeatures
= 0;
999 VkResult
anv_ImportSemaphoreFdKHR(
1001 const VkImportSemaphoreFdInfoKHR
* pImportSemaphoreFdInfo
)
1003 ANV_FROM_HANDLE(anv_device
, device
, _device
);
1004 ANV_FROM_HANDLE(anv_semaphore
, semaphore
, pImportSemaphoreFdInfo
->semaphore
);
1005 int fd
= pImportSemaphoreFdInfo
->fd
;
1007 struct anv_semaphore_impl new_impl
= {
1008 .type
= ANV_SEMAPHORE_TYPE_NONE
,
1011 switch (pImportSemaphoreFdInfo
->handleType
) {
1012 case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR
:
1013 if (device
->instance
->physicalDevice
.has_syncobj
) {
1014 new_impl
.type
= ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ
;
1016 new_impl
.syncobj
= anv_gem_syncobj_fd_to_handle(device
, fd
);
1017 if (!new_impl
.syncobj
)
1018 return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
);
1020 /* From the Vulkan spec:
1022 * "Importing semaphore state from a file descriptor transfers
1023 * ownership of the file descriptor from the application to the
1024 * Vulkan implementation. The application must not perform any
1025 * operations on the file descriptor after a successful import."
1027 * If the import fails, we leave the file descriptor open.
1029 close(pImportSemaphoreFdInfo
->fd
);
1031 new_impl
.type
= ANV_SEMAPHORE_TYPE_BO
;
1033 VkResult result
= anv_bo_cache_import(device
, &device
->bo_cache
,
1034 fd
, 4096, &new_impl
.bo
);
1035 if (result
!= VK_SUCCESS
)
1038 /* If we're going to use this as a fence, we need to *not* have the
1039 * EXEC_OBJECT_ASYNC bit set.
1041 assert(!(new_impl
.bo
->flags
& EXEC_OBJECT_ASYNC
));
1045 case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT_KHR
:
1046 new_impl
= (struct anv_semaphore_impl
) {
1047 .type
= ANV_SEMAPHORE_TYPE_SYNC_FILE
,
1053 return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
);
1056 if (pImportSemaphoreFdInfo
->flags
& VK_SEMAPHORE_IMPORT_TEMPORARY_BIT_KHR
) {
1057 anv_semaphore_impl_cleanup(device
, &semaphore
->temporary
);
1058 semaphore
->temporary
= new_impl
;
1060 anv_semaphore_impl_cleanup(device
, &semaphore
->permanent
);
1061 semaphore
->permanent
= new_impl
;
1067 VkResult
anv_GetSemaphoreFdKHR(
1069 const VkSemaphoreGetFdInfoKHR
* pGetFdInfo
,
1072 ANV_FROM_HANDLE(anv_device
, device
, _device
);
1073 ANV_FROM_HANDLE(anv_semaphore
, semaphore
, pGetFdInfo
->semaphore
);
1077 assert(pGetFdInfo
->sType
== VK_STRUCTURE_TYPE_SEMAPHORE_GET_FD_INFO_KHR
);
1079 struct anv_semaphore_impl
*impl
=
1080 semaphore
->temporary
.type
!= ANV_SEMAPHORE_TYPE_NONE
?
1081 &semaphore
->temporary
: &semaphore
->permanent
;
1083 switch (impl
->type
) {
1084 case ANV_SEMAPHORE_TYPE_BO
:
1085 result
= anv_bo_cache_export(device
, &device
->bo_cache
, impl
->bo
, pFd
);
1086 if (result
!= VK_SUCCESS
)
1090 case ANV_SEMAPHORE_TYPE_SYNC_FILE
:
1091 /* There are two reasons why this could happen:
1093 * 1) The user is trying to export without submitting something that
1094 * signals the semaphore. If this is the case, it's their bug so
1095 * what we return here doesn't matter.
1097 * 2) The kernel didn't give us a file descriptor. The most likely
1098 * reason for this is running out of file descriptors.
1101 return vk_error(VK_ERROR_TOO_MANY_OBJECTS
);
1105 /* From the Vulkan 1.0.53 spec:
1107 * "...exporting a semaphore payload to a handle with copy
1108 * transference has the same side effects on the source
1109 * semaphore’s payload as executing a semaphore wait operation."
1111 * In other words, it may still be a SYNC_FD semaphore, but it's now
1112 * considered to have been waited on and no longer has a sync file
1118 case ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ
:
1119 fd
= anv_gem_syncobj_handle_to_fd(device
, impl
->syncobj
);
1121 return vk_error(VK_ERROR_TOO_MANY_OBJECTS
);
1126 return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR
);
1129 /* From the Vulkan 1.0.53 spec:
1131 * "Export operations have the same transference as the specified handle
1132 * type’s import operations. [...] If the semaphore was using a
1133 * temporarily imported payload, the semaphore’s prior permanent payload
1136 if (impl
== &semaphore
->temporary
)
1137 anv_semaphore_impl_cleanup(device
, impl
);