* This file implements VkQueue, VkFence, and VkSemaphore
*/
+#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
-#include <sys/eventfd.h>
#include "anv_private.h"
#include "vk_util.h"
#include "genxml/gen7_pack.h"
+uint64_t anv_gettime_ns(void)
+{
+ struct timespec current;
+ clock_gettime(CLOCK_MONOTONIC, ¤t);
+ return (uint64_t)current.tv_sec * NSEC_PER_SEC + current.tv_nsec;
+}
+
+uint64_t anv_get_absolute_timeout(uint64_t timeout)
+{
+ if (timeout == 0)
+ return 0;
+ uint64_t current_time = anv_gettime_ns();
+ uint64_t max_timeout = (uint64_t) INT64_MAX - current_time;
+
+ timeout = MIN2(max_timeout, timeout);
+
+ return (current_time + timeout);
+}
+
+static int64_t anv_get_relative_timeout(uint64_t abs_timeout)
+{
+ uint64_t now = anv_gettime_ns();
+
+ /* We don't want negative timeouts.
+ *
+ * DRM_IOCTL_I915_GEM_WAIT uses a signed 64 bit timeout and is
+ * supposed to block indefinitely timeouts < 0. Unfortunately,
+ * this was broken for a couple of kernel releases. Since there's
+ * no way to know whether or not the kernel we're using is one of
+ * the broken ones, the best we can do is to clamp the timeout to
+ * INT64_MAX. This limits the maximum timeout from 584 years to
+ * 292 years - likely not a big deal.
+ */
+ if (abs_timeout < now)
+ return 0;
+
+ uint64_t rel_timeout = abs_timeout - now;
+ if (rel_timeout > (uint64_t) INT64_MAX)
+ rel_timeout = INT64_MAX;
+
+ return rel_timeout;
+}
+
+static struct anv_semaphore *anv_semaphore_ref(struct anv_semaphore *semaphore);
+static void anv_semaphore_unref(struct anv_device *device, struct anv_semaphore *semaphore);
+static void anv_semaphore_impl_cleanup(struct anv_device *device,
+ struct anv_semaphore_impl *impl);
+
+static void
+anv_queue_submit_free(struct anv_device *device,
+ struct anv_queue_submit *submit)
+{
+ const VkAllocationCallbacks *alloc = submit->alloc;
+
+ for (uint32_t i = 0; i < submit->temporary_semaphore_count; i++)
+ anv_semaphore_impl_cleanup(device, &submit->temporary_semaphores[i]);
+ for (uint32_t i = 0; i < submit->sync_fd_semaphore_count; i++)
+ anv_semaphore_unref(device, submit->sync_fd_semaphores[i]);
+ /* Execbuf does not consume the in_fence. It's our job to close it. */
+ if (submit->in_fence != -1)
+ close(submit->in_fence);
+ if (submit->out_fence != -1)
+ close(submit->out_fence);
+ vk_free(alloc, submit->fences);
+ vk_free(alloc, submit->temporary_semaphores);
+ vk_free(alloc, submit->wait_timelines);
+ vk_free(alloc, submit->wait_timeline_values);
+ vk_free(alloc, submit->signal_timelines);
+ vk_free(alloc, submit->signal_timeline_values);
+ vk_free(alloc, submit->fence_bos);
+ vk_free(alloc, submit);
+}
+
+static bool
+anv_queue_submit_ready_locked(struct anv_queue_submit *submit)
+{
+ for (uint32_t i = 0; i < submit->wait_timeline_count; i++) {
+ if (submit->wait_timeline_values[i] > submit->wait_timelines[i]->highest_pending)
+ return false;
+ }
+
+ return true;
+}
+
+static VkResult
+anv_timeline_init(struct anv_device *device,
+ struct anv_timeline *timeline,
+ uint64_t initial_value)
+{
+ timeline->highest_past =
+ timeline->highest_pending = initial_value;
+ list_inithead(&timeline->points);
+ list_inithead(&timeline->free_points);
+
+ return VK_SUCCESS;
+}
+
+static void
+anv_timeline_finish(struct anv_device *device,
+ struct anv_timeline *timeline)
+{
+ list_for_each_entry_safe(struct anv_timeline_point, point,
+ &timeline->free_points, link) {
+ list_del(&point->link);
+ anv_device_release_bo(device, point->bo);
+ vk_free(&device->vk.alloc, point);
+ }
+ list_for_each_entry_safe(struct anv_timeline_point, point,
+ &timeline->points, link) {
+ list_del(&point->link);
+ anv_device_release_bo(device, point->bo);
+ vk_free(&device->vk.alloc, point);
+ }
+}
+
+static VkResult
+anv_timeline_add_point_locked(struct anv_device *device,
+ struct anv_timeline *timeline,
+ uint64_t value,
+ struct anv_timeline_point **point)
+{
+ VkResult result = VK_SUCCESS;
+
+ if (list_is_empty(&timeline->free_points)) {
+ *point =
+ vk_zalloc(&device->vk.alloc, sizeof(**point),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
+ if (!(*point))
+ result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+ if (result == VK_SUCCESS) {
+ result = anv_device_alloc_bo(device, 4096,
+ ANV_BO_ALLOC_EXTERNAL |
+ ANV_BO_ALLOC_IMPLICIT_SYNC,
+ 0 /* explicit_address */,
+ &(*point)->bo);
+ if (result != VK_SUCCESS)
+ vk_free(&device->vk.alloc, *point);
+ }
+ } else {
+ *point = list_first_entry(&timeline->free_points,
+ struct anv_timeline_point, link);
+ list_del(&(*point)->link);
+ }
+
+ if (result == VK_SUCCESS) {
+ (*point)->serial = value;
+ list_addtail(&(*point)->link, &timeline->points);
+ }
+
+ return result;
+}
+
+static VkResult
+anv_timeline_gc_locked(struct anv_device *device,
+ struct anv_timeline *timeline)
+{
+ list_for_each_entry_safe(struct anv_timeline_point, point,
+ &timeline->points, link) {
+ /* timeline->higest_pending is only incremented once submission has
+ * happened. If this point has a greater serial, it means the point
+ * hasn't been submitted yet.
+ */
+ if (point->serial > timeline->highest_pending)
+ return VK_SUCCESS;
+
+ /* If someone is waiting on this time point, consider it busy and don't
+ * try to recycle it. There's a slim possibility that it's no longer
+ * busy by the time we look at it but we would be recycling it out from
+ * under a waiter and that can lead to weird races.
+ *
+ * We walk the list in-order so if this time point is still busy so is
+ * every following time point
+ */
+ assert(point->waiting >= 0);
+ if (point->waiting)
+ return VK_SUCCESS;
+
+ /* Garbage collect any signaled point. */
+ VkResult result = anv_device_bo_busy(device, point->bo);
+ if (result == VK_NOT_READY) {
+ /* We walk the list in-order so if this time point is still busy so
+ * is every following time point
+ */
+ return VK_SUCCESS;
+ } else if (result != VK_SUCCESS) {
+ return result;
+ }
+
+ assert(timeline->highest_past < point->serial);
+ timeline->highest_past = point->serial;
+
+ list_del(&point->link);
+ list_add(&point->link, &timeline->free_points);
+ }
+
+ return VK_SUCCESS;
+}
+
+static VkResult anv_queue_submit_add_fence_bo(struct anv_queue_submit *submit,
+ struct anv_bo *bo,
+ bool signal);
+
+static VkResult
+anv_queue_submit_timeline_locked(struct anv_queue *queue,
+ struct anv_queue_submit *submit)
+{
+ VkResult result;
+
+ for (uint32_t i = 0; i < submit->wait_timeline_count; i++) {
+ struct anv_timeline *timeline = submit->wait_timelines[i];
+ uint64_t wait_value = submit->wait_timeline_values[i];
+
+ if (timeline->highest_past >= wait_value)
+ continue;
+
+ list_for_each_entry(struct anv_timeline_point, point, &timeline->points, link) {
+ if (point->serial < wait_value)
+ continue;
+ result = anv_queue_submit_add_fence_bo(submit, point->bo, false);
+ if (result != VK_SUCCESS)
+ return result;
+ break;
+ }
+ }
+ for (uint32_t i = 0; i < submit->signal_timeline_count; i++) {
+ struct anv_timeline *timeline = submit->signal_timelines[i];
+ uint64_t signal_value = submit->signal_timeline_values[i];
+ struct anv_timeline_point *point;
+
+ result = anv_timeline_add_point_locked(queue->device, timeline,
+ signal_value, &point);
+ if (result != VK_SUCCESS)
+ return result;
+
+ result = anv_queue_submit_add_fence_bo(submit, point->bo, true);
+ if (result != VK_SUCCESS)
+ return result;
+ }
+
+ result = anv_queue_execbuf_locked(queue, submit);
+
+ if (result == VK_SUCCESS) {
+ /* Update the pending values in the timeline objects. */
+ for (uint32_t i = 0; i < submit->signal_timeline_count; i++) {
+ struct anv_timeline *timeline = submit->signal_timelines[i];
+ uint64_t signal_value = submit->signal_timeline_values[i];
+
+ assert(signal_value > timeline->highest_pending);
+ timeline->highest_pending = signal_value;
+ }
+
+ /* Update signaled semaphores backed by syncfd. */
+ for (uint32_t i = 0; i < submit->sync_fd_semaphore_count; i++) {
+ struct anv_semaphore *semaphore = submit->sync_fd_semaphores[i];
+ /* Out fences can't have temporary state because that would imply
+ * that we imported a sync file and are trying to signal it.
+ */
+ assert(semaphore->temporary.type == ANV_SEMAPHORE_TYPE_NONE);
+ struct anv_semaphore_impl *impl = &semaphore->permanent;
+
+ assert(impl->type == ANV_SEMAPHORE_TYPE_SYNC_FILE);
+ impl->fd = dup(submit->out_fence);
+ }
+ } else {
+ /* Unblock any waiter by signaling the points, the application will get
+ * a device lost error code.
+ */
+ for (uint32_t i = 0; i < submit->signal_timeline_count; i++) {
+ struct anv_timeline *timeline = submit->signal_timelines[i];
+ uint64_t signal_value = submit->signal_timeline_values[i];
+
+ assert(signal_value > timeline->highest_pending);
+ timeline->highest_past = timeline->highest_pending = signal_value;
+ }
+ }
+
+ return result;
+}
+
+static VkResult
+anv_queue_submit_deferred_locked(struct anv_queue *queue, uint32_t *advance)
+{
+ VkResult result = VK_SUCCESS;
+
+ /* Go through all the queued submissions and submit then until we find one
+ * that's waiting on a point that hasn't materialized yet.
+ */
+ list_for_each_entry_safe(struct anv_queue_submit, submit,
+ &queue->queued_submits, link) {
+ if (!anv_queue_submit_ready_locked(submit))
+ break;
+
+ (*advance)++;
+ list_del(&submit->link);
+
+ result = anv_queue_submit_timeline_locked(queue, submit);
+
+ anv_queue_submit_free(queue->device, submit);
+
+ if (result != VK_SUCCESS)
+ break;
+ }
+
+ return result;
+}
+
+static VkResult
+anv_device_submit_deferred_locked(struct anv_device *device)
+{
+ uint32_t advance = 0;
+ return anv_queue_submit_deferred_locked(&device->queue, &advance);
+}
+
+static VkResult
+_anv_queue_submit(struct anv_queue *queue, struct anv_queue_submit **_submit,
+ bool flush_queue)
+{
+ struct anv_queue_submit *submit = *_submit;
+
+ /* Wait before signal behavior means we might keep alive the
+ * anv_queue_submit object a bit longer, so transfer the ownership to the
+ * anv_queue.
+ */
+ *_submit = NULL;
+
+ pthread_mutex_lock(&queue->device->mutex);
+ list_addtail(&submit->link, &queue->queued_submits);
+ VkResult result = anv_device_submit_deferred_locked(queue->device);
+ if (flush_queue) {
+ while (result == VK_SUCCESS && !list_is_empty(&queue->queued_submits)) {
+ int ret = pthread_cond_wait(&queue->device->queue_submit,
+ &queue->device->mutex);
+ if (ret != 0) {
+ result = anv_device_set_lost(queue->device, "wait timeout");
+ break;
+ }
+
+ result = anv_device_submit_deferred_locked(queue->device);
+ }
+ }
+ pthread_mutex_unlock(&queue->device->mutex);
+ return result;
+}
+
VkResult
-anv_device_execbuf(struct anv_device *device,
- struct drm_i915_gem_execbuffer2 *execbuf,
- struct anv_bo **execbuf_bos)
+anv_queue_init(struct anv_device *device, struct anv_queue *queue)
{
- int ret = device->no_hw ? 0 : anv_gem_execbuffer(device, execbuf);
- if (ret != 0) {
- /* We don't know the real error. */
- return anv_device_set_lost(device, "execbuf2 failed: %m");
+ vk_object_base_init(&device->vk, &queue->base, VK_OBJECT_TYPE_QUEUE);
+ queue->device = device;
+ queue->flags = 0;
+
+ list_inithead(&queue->queued_submits);
+
+ return VK_SUCCESS;
+}
+
+void
+anv_queue_finish(struct anv_queue *queue)
+{
+ vk_object_base_finish(&queue->base);
+}
+
+static VkResult
+anv_queue_submit_add_fence_bo(struct anv_queue_submit *submit,
+ struct anv_bo *bo,
+ bool signal)
+{
+ if (submit->fence_bo_count >= submit->fence_bo_array_length) {
+ uint32_t new_len = MAX2(submit->fence_bo_array_length * 2, 64);
+
+ submit->fence_bos =
+ vk_realloc(submit->alloc,
+ submit->fence_bos, new_len * sizeof(*submit->fence_bos),
+ 8, submit->alloc_scope);
+ if (submit->fence_bos == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->fence_bo_array_length = new_len;
}
- struct drm_i915_gem_exec_object2 *objects =
- (void *)(uintptr_t)execbuf->buffers_ptr;
- for (uint32_t k = 0; k < execbuf->buffer_count; k++) {
- if (execbuf_bos[k]->flags & EXEC_OBJECT_PINNED)
- assert(execbuf_bos[k]->offset == objects[k].offset);
- execbuf_bos[k]->offset = objects[k].offset;
+ /* Take advantage that anv_bo are allocated at 8 byte alignement so we can
+ * use the lowest bit to store whether this is a BO we need to signal.
+ */
+ submit->fence_bos[submit->fence_bo_count++] = anv_pack_ptr(bo, 1, signal);
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+anv_queue_submit_add_syncobj(struct anv_queue_submit* submit,
+ struct anv_device *device,
+ uint32_t handle, uint32_t flags)
+{
+ assert(flags != 0);
+
+ if (submit->fence_count >= submit->fence_array_length) {
+ uint32_t new_len = MAX2(submit->fence_array_length * 2, 64);
+
+ submit->fences =
+ vk_realloc(submit->alloc,
+ submit->fences, new_len * sizeof(*submit->fences),
+ 8, submit->alloc_scope);
+ if (submit->fences == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->fence_array_length = new_len;
+ }
+
+ submit->fences[submit->fence_count++] = (struct drm_i915_gem_exec_fence) {
+ .handle = handle,
+ .flags = flags,
+ };
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+anv_queue_submit_add_sync_fd_fence(struct anv_queue_submit *submit,
+ struct anv_semaphore *semaphore)
+{
+ if (submit->sync_fd_semaphore_count >= submit->sync_fd_semaphore_array_length) {
+ uint32_t new_len = MAX2(submit->sync_fd_semaphore_array_length * 2, 64);
+ struct anv_semaphore **new_semaphores =
+ vk_realloc(submit->alloc, submit->sync_fd_semaphores,
+ new_len * sizeof(*submit->sync_fd_semaphores), 8,
+ submit->alloc_scope);
+ if (new_semaphores == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->sync_fd_semaphores = new_semaphores;
}
+ submit->sync_fd_semaphores[submit->sync_fd_semaphore_count++] =
+ anv_semaphore_ref(semaphore);
+ submit->need_out_fence = true;
+
return VK_SUCCESS;
}
+static VkResult
+anv_queue_submit_add_timeline_wait(struct anv_queue_submit* submit,
+ struct anv_device *device,
+ struct anv_timeline *timeline,
+ uint64_t value)
+{
+ if (submit->wait_timeline_count >= submit->wait_timeline_array_length) {
+ uint32_t new_len = MAX2(submit->wait_timeline_array_length * 2, 64);
+
+ submit->wait_timelines =
+ vk_realloc(submit->alloc,
+ submit->wait_timelines, new_len * sizeof(*submit->wait_timelines),
+ 8, submit->alloc_scope);
+ if (submit->wait_timelines == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->wait_timeline_values =
+ vk_realloc(submit->alloc,
+ submit->wait_timeline_values, new_len * sizeof(*submit->wait_timeline_values),
+ 8, submit->alloc_scope);
+ if (submit->wait_timeline_values == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->wait_timeline_array_length = new_len;
+ }
+
+ submit->wait_timelines[submit->wait_timeline_count] = timeline;
+ submit->wait_timeline_values[submit->wait_timeline_count] = value;
+
+ submit->wait_timeline_count++;
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+anv_queue_submit_add_timeline_signal(struct anv_queue_submit* submit,
+ struct anv_device *device,
+ struct anv_timeline *timeline,
+ uint64_t value)
+{
+ assert(timeline->highest_pending < value);
+
+ if (submit->signal_timeline_count >= submit->signal_timeline_array_length) {
+ uint32_t new_len = MAX2(submit->signal_timeline_array_length * 2, 64);
+
+ submit->signal_timelines =
+ vk_realloc(submit->alloc,
+ submit->signal_timelines, new_len * sizeof(*submit->signal_timelines),
+ 8, submit->alloc_scope);
+ if (submit->signal_timelines == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->signal_timeline_values =
+ vk_realloc(submit->alloc,
+ submit->signal_timeline_values, new_len * sizeof(*submit->signal_timeline_values),
+ 8, submit->alloc_scope);
+ if (submit->signal_timeline_values == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->signal_timeline_array_length = new_len;
+ }
+
+ submit->signal_timelines[submit->signal_timeline_count] = timeline;
+ submit->signal_timeline_values[submit->signal_timeline_count] = value;
+
+ submit->signal_timeline_count++;
+
+ return VK_SUCCESS;
+}
+
+static struct anv_queue_submit *
+anv_queue_submit_alloc(struct anv_device *device, int perf_query_pass)
+{
+ const VkAllocationCallbacks *alloc = &device->vk.alloc;
+ VkSystemAllocationScope alloc_scope = VK_SYSTEM_ALLOCATION_SCOPE_DEVICE;
+
+ struct anv_queue_submit *submit = vk_zalloc(alloc, sizeof(*submit), 8, alloc_scope);
+ if (!submit)
+ return NULL;
+
+ submit->alloc = alloc;
+ submit->alloc_scope = alloc_scope;
+ submit->in_fence = -1;
+ submit->out_fence = -1;
+ submit->perf_query_pass = perf_query_pass;
+
+ return submit;
+}
+
VkResult
-anv_device_submit_simple_batch(struct anv_device *device,
- struct anv_batch *batch)
+anv_queue_submit_simple_batch(struct anv_queue *queue,
+ struct anv_batch *batch)
{
- struct drm_i915_gem_execbuffer2 execbuf;
- struct drm_i915_gem_exec_object2 exec2_objects[1];
- struct anv_bo bo, *exec_bos[1];
- VkResult result = VK_SUCCESS;
- uint32_t size;
+ if (queue->device->no_hw)
+ return VK_SUCCESS;
+
+ struct anv_device *device = queue->device;
+ struct anv_queue_submit *submit = anv_queue_submit_alloc(device, -1);
+ if (!submit)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ bool has_syncobj_wait = device->physical->has_syncobj_wait;
+ VkResult result;
+ uint32_t syncobj;
+ struct anv_bo *batch_bo, *sync_bo;
+
+ if (has_syncobj_wait) {
+ syncobj = anv_gem_syncobj_create(device, 0);
+ if (!syncobj) {
+ result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY);
+ goto err_free_submit;
+ }
+
+ result = anv_queue_submit_add_syncobj(submit, device, syncobj,
+ I915_EXEC_FENCE_SIGNAL);
+ } else {
+ result = anv_device_alloc_bo(device, 4096,
+ ANV_BO_ALLOC_EXTERNAL |
+ ANV_BO_ALLOC_IMPLICIT_SYNC,
+ 0 /* explicit_address */,
+ &sync_bo);
+ if (result != VK_SUCCESS)
+ goto err_free_submit;
+
+ result = anv_queue_submit_add_fence_bo(submit, sync_bo, true /* signal */);
+ }
- /* Kernel driver requires 8 byte aligned batch length */
- size = align_u32(batch->next - batch->start, 8);
- result = anv_bo_pool_alloc(&device->batch_bo_pool, &bo, size);
if (result != VK_SUCCESS)
- return result;
+ goto err_destroy_sync_primitive;
+
+ if (batch) {
+ uint32_t size = align_u32(batch->next - batch->start, 8);
+ result = anv_bo_pool_alloc(&device->batch_bo_pool, size, &batch_bo);
+ if (result != VK_SUCCESS)
+ goto err_destroy_sync_primitive;
+
+ memcpy(batch_bo->map, batch->start, size);
+ if (!device->info.has_llc)
+ gen_flush_range(batch_bo->map, size);
+
+ submit->simple_bo = batch_bo;
+ submit->simple_bo_size = size;
+ }
+
+ result = _anv_queue_submit(queue, &submit, true);
+
+ if (result == VK_SUCCESS) {
+ if (has_syncobj_wait) {
+ if (anv_gem_syncobj_wait(device, &syncobj, 1,
+ anv_get_absolute_timeout(INT64_MAX), true))
+ result = anv_device_set_lost(device, "anv_gem_syncobj_wait failed: %m");
+ anv_gem_syncobj_destroy(device, syncobj);
+ } else {
+ result = anv_device_wait(device, sync_bo,
+ anv_get_relative_timeout(INT64_MAX));
+ anv_device_release_bo(device, sync_bo);
+ }
+ }
+
+ if (batch)
+ anv_bo_pool_free(&device->batch_bo_pool, batch_bo);
+
+ if (submit)
+ anv_queue_submit_free(device, submit);
+
+ return result;
+
+ err_destroy_sync_primitive:
+ if (has_syncobj_wait)
+ anv_gem_syncobj_destroy(device, syncobj);
+ else
+ anv_device_release_bo(device, sync_bo);
+ err_free_submit:
+ if (submit)
+ anv_queue_submit_free(device, submit);
+
+ return result;
+}
+
+/* Transfer ownership of temporary semaphores from the VkSemaphore object to
+ * the anv_queue_submit object. Those temporary semaphores are then freed in
+ * anv_queue_submit_free() once the driver is finished with them.
+ */
+static VkResult
+maybe_transfer_temporary_semaphore(struct anv_queue_submit *submit,
+ struct anv_semaphore *semaphore,
+ struct anv_semaphore_impl **out_impl)
+{
+ struct anv_semaphore_impl *impl = &semaphore->temporary;
+
+ if (impl->type == ANV_SEMAPHORE_TYPE_NONE) {
+ *out_impl = &semaphore->permanent;
+ return VK_SUCCESS;
+ }
+
+ /* BO backed timeline semaphores cannot be temporary. */
+ assert(impl->type != ANV_SEMAPHORE_TYPE_TIMELINE);
+
+ /*
+ * There is a requirement to reset semaphore to their permanent state after
+ * submission. From the Vulkan 1.0.53 spec:
+ *
+ * "If the import is temporary, the implementation must restore the
+ * semaphore to its prior permanent state after submitting the next
+ * semaphore wait operation."
+ *
+ * In the case we defer the actual submission to a thread because of the
+ * wait-before-submit behavior required for timeline semaphores, we need to
+ * make copies of the temporary syncobj to ensure they stay alive until we
+ * do the actual execbuffer ioctl.
+ */
+ if (submit->temporary_semaphore_count >= submit->temporary_semaphore_array_length) {
+ uint32_t new_len = MAX2(submit->temporary_semaphore_array_length * 2, 8);
+ /* Make sure that if the realloc fails, we still have the old semaphore
+ * array around to properly clean things up on failure.
+ */
+ struct anv_semaphore_impl *new_array =
+ vk_realloc(submit->alloc,
+ submit->temporary_semaphores,
+ new_len * sizeof(*submit->temporary_semaphores),
+ 8, submit->alloc_scope);
+ if (new_array == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->temporary_semaphores = new_array;
+ submit->temporary_semaphore_array_length = new_len;
+ }
+
+ /* Copy anv_semaphore_impl into anv_queue_submit. */
+ submit->temporary_semaphores[submit->temporary_semaphore_count++] = *impl;
+ *out_impl = &submit->temporary_semaphores[submit->temporary_semaphore_count - 1];
+
+ /* Clear the incoming semaphore */
+ impl->type = ANV_SEMAPHORE_TYPE_NONE;
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+anv_queue_submit(struct anv_queue *queue,
+ struct anv_cmd_buffer *cmd_buffer,
+ const VkSemaphore *in_semaphores,
+ const uint64_t *in_values,
+ uint32_t num_in_semaphores,
+ const VkSemaphore *out_semaphores,
+ const uint64_t *out_values,
+ uint32_t num_out_semaphores,
+ struct anv_bo *wsi_signal_bo,
+ VkFence _fence,
+ int perf_query_pass)
+{
+ ANV_FROM_HANDLE(anv_fence, fence, _fence);
+ struct anv_device *device = queue->device;
+ UNUSED struct anv_physical_device *pdevice = device->physical;
+ struct anv_queue_submit *submit = anv_queue_submit_alloc(device, perf_query_pass);
+ if (!submit)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ submit->cmd_buffer = cmd_buffer;
+
+ VkResult result = VK_SUCCESS;
+
+ for (uint32_t i = 0; i < num_in_semaphores; i++) {
+ ANV_FROM_HANDLE(anv_semaphore, semaphore, in_semaphores[i]);
+ struct anv_semaphore_impl *impl;
+
+ result = maybe_transfer_temporary_semaphore(submit, semaphore, &impl);
+ if (result != VK_SUCCESS)
+ goto error;
+
+ switch (impl->type) {
+ case ANV_SEMAPHORE_TYPE_BO:
+ assert(!pdevice->has_syncobj);
+ result = anv_queue_submit_add_fence_bo(submit, impl->bo, false /* signal */);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ case ANV_SEMAPHORE_TYPE_WSI_BO:
+ /* When using a window-system buffer as a semaphore, always enable
+ * EXEC_OBJECT_WRITE. This gives us a WaR hazard with the display or
+ * compositor's read of the buffer and enforces that we don't start
+ * rendering until they are finished. This is exactly the
+ * synchronization we want with vkAcquireNextImage.
+ */
+ result = anv_queue_submit_add_fence_bo(submit, impl->bo, true /* signal */);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ case ANV_SEMAPHORE_TYPE_SYNC_FILE:
+ assert(!pdevice->has_syncobj);
+ if (submit->in_fence == -1) {
+ submit->in_fence = impl->fd;
+ if (submit->in_fence == -1) {
+ result = vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE);
+ goto error;
+ }
+ impl->fd = -1;
+ } else {
+ int merge = anv_gem_sync_file_merge(device, submit->in_fence, impl->fd);
+ if (merge == -1) {
+ result = vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE);
+ goto error;
+ }
+ close(impl->fd);
+ close(submit->in_fence);
+ impl->fd = -1;
+ submit->in_fence = merge;
+ }
+ break;
+
+ case ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ: {
+ result = anv_queue_submit_add_syncobj(submit, device,
+ impl->syncobj,
+ I915_EXEC_FENCE_WAIT);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+ }
+
+ case ANV_SEMAPHORE_TYPE_TIMELINE:
+ result = anv_queue_submit_add_timeline_wait(submit, device,
+ &impl->timeline,
+ in_values ? in_values[i] : 0);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ for (uint32_t i = 0; i < num_out_semaphores; i++) {
+ ANV_FROM_HANDLE(anv_semaphore, semaphore, out_semaphores[i]);
+
+ /* Under most circumstances, out fences won't be temporary. However,
+ * the spec does allow it for opaque_fd. From the Vulkan 1.0.53 spec:
+ *
+ * "If the import is temporary, the implementation must restore the
+ * semaphore to its prior permanent state after submitting the next
+ * semaphore wait operation."
+ *
+ * The spec says nothing whatsoever about signal operations on
+ * temporarily imported semaphores so it appears they are allowed.
+ * There are also CTS tests that require this to work.
+ */
+ struct anv_semaphore_impl *impl =
+ semaphore->temporary.type != ANV_SEMAPHORE_TYPE_NONE ?
+ &semaphore->temporary : &semaphore->permanent;
+
+ switch (impl->type) {
+ case ANV_SEMAPHORE_TYPE_BO:
+ assert(!pdevice->has_syncobj);
+ result = anv_queue_submit_add_fence_bo(submit, impl->bo, true /* signal */);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ case ANV_SEMAPHORE_TYPE_SYNC_FILE:
+ assert(!pdevice->has_syncobj);
+ result = anv_queue_submit_add_sync_fd_fence(submit, semaphore);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ case ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ: {
+ result = anv_queue_submit_add_syncobj(submit, device, impl->syncobj,
+ I915_EXEC_FENCE_SIGNAL);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+ }
+
+ case ANV_SEMAPHORE_TYPE_TIMELINE:
+ result = anv_queue_submit_add_timeline_signal(submit, device,
+ &impl->timeline,
+ out_values ? out_values[i] : 0);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (wsi_signal_bo) {
+ result = anv_queue_submit_add_fence_bo(submit, wsi_signal_bo, true /* signal */);
+ if (result != VK_SUCCESS)
+ goto error;
+ }
+
+ if (fence) {
+ /* Under most circumstances, out fences won't be temporary. However,
+ * the spec does allow it for opaque_fd. From the Vulkan 1.0.53 spec:
+ *
+ * "If the import is temporary, the implementation must restore the
+ * semaphore to its prior permanent state after submitting the next
+ * semaphore wait operation."
+ *
+ * The spec says nothing whatsoever about signal operations on
+ * temporarily imported semaphores so it appears they are allowed.
+ * There are also CTS tests that require this to work.
+ */
+ struct anv_fence_impl *impl =
+ fence->temporary.type != ANV_FENCE_TYPE_NONE ?
+ &fence->temporary : &fence->permanent;
+
+ switch (impl->type) {
+ case ANV_FENCE_TYPE_BO:
+ result = anv_queue_submit_add_fence_bo(submit, impl->bo.bo, true /* signal */);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+
+ case ANV_FENCE_TYPE_SYNCOBJ: {
+ /*
+ * For the same reason we reset the signaled binary syncobj above,
+ * also reset the fence's syncobj so that they don't contain a
+ * signaled dma-fence.
+ */
+ result = anv_queue_submit_add_syncobj(submit, device, impl->syncobj,
+ I915_EXEC_FENCE_SIGNAL);
+ if (result != VK_SUCCESS)
+ goto error;
+ break;
+ }
+
+ default:
+ unreachable("Invalid fence type");
+ }
+ }
- memcpy(bo.map, batch->start, size);
- if (!device->info.has_llc)
- gen_flush_range(bo.map, size);
-
- exec_bos[0] = &bo;
- exec2_objects[0].handle = bo.gem_handle;
- exec2_objects[0].relocation_count = 0;
- exec2_objects[0].relocs_ptr = 0;
- exec2_objects[0].alignment = 0;
- exec2_objects[0].offset = bo.offset;
- exec2_objects[0].flags = bo.flags;
- exec2_objects[0].rsvd1 = 0;
- exec2_objects[0].rsvd2 = 0;
-
- execbuf.buffers_ptr = (uintptr_t) exec2_objects;
- execbuf.buffer_count = 1;
- execbuf.batch_start_offset = 0;
- execbuf.batch_len = size;
- execbuf.cliprects_ptr = 0;
- execbuf.num_cliprects = 0;
- execbuf.DR1 = 0;
- execbuf.DR4 = 0;
-
- execbuf.flags =
- I915_EXEC_HANDLE_LUT | I915_EXEC_NO_RELOC | I915_EXEC_RENDER;
- execbuf.rsvd1 = device->context_id;
- execbuf.rsvd2 = 0;
-
- result = anv_device_execbuf(device, &execbuf, exec_bos);
+ result = _anv_queue_submit(queue, &submit, false);
if (result != VK_SUCCESS)
- goto fail;
+ goto error;
- result = anv_device_wait(device, &bo, INT64_MAX);
+ if (fence && fence->permanent.type == ANV_FENCE_TYPE_BO) {
+ /* If we have permanent BO fence, the only type of temporary possible
+ * would be BO_WSI (because BO fences are not shareable). The Vulkan spec
+ * also requires that the fence passed to vkQueueSubmit() be :
+ *
+ * * unsignaled
+ * * not be associated with any other queue command that has not yet
+ * completed execution on that queue
+ *
+ * So the only acceptable type for the temporary is NONE.
+ */
+ assert(fence->temporary.type == ANV_FENCE_TYPE_NONE);
- fail:
- anv_bo_pool_free(&device->batch_bo_pool, &bo);
+ /* Once the execbuf has returned, we need to set the fence state to
+ * SUBMITTED. We can't do this before calling execbuf because
+ * anv_GetFenceStatus does take the global device lock before checking
+ * fence->state.
+ *
+ * We set the fence state to SUBMITTED regardless of whether or not the
+ * execbuf succeeds because we need to ensure that vkWaitForFences() and
+ * vkGetFenceStatus() return a valid result (VK_ERROR_DEVICE_LOST or
+ * VK_SUCCESS) in a finite amount of time even if execbuf fails.
+ */
+ fence->permanent.bo.state = ANV_BO_FENCE_STATE_SUBMITTED;
+ }
+
+ error:
+ if (submit)
+ anv_queue_submit_free(device, submit);
return result;
}
VkFence fence)
{
ANV_FROM_HANDLE(anv_queue, queue, _queue);
- struct anv_device *device = queue->device;
+
+ if (queue->device->no_hw)
+ return VK_SUCCESS;
/* Query for device status prior to submitting. Technically, we don't need
* to do this. However, if we have a client that's submitting piles of
* the kernel to kick us or we'll have to wait until the client waits on a
* fence before we actually know whether or not we've hung.
*/
- VkResult result = anv_device_query_status(device);
+ VkResult result = anv_device_query_status(queue->device);
if (result != VK_SUCCESS)
return result;
- /* We lock around QueueSubmit for three main reasons:
- *
- * 1) When a block pool is resized, we create a new gem handle with a
- * different size and, in the case of surface states, possibly a
- * different center offset but we re-use the same anv_bo struct when
- * we do so. If this happens in the middle of setting up an execbuf,
- * we could end up with our list of BOs out of sync with our list of
- * gem handles.
- *
- * 2) The algorithm we use for building the list of unique buffers isn't
- * thread-safe. While the client is supposed to syncronize around
- * QueueSubmit, this would be extremely difficult to debug if it ever
- * came up in the wild due to a broken app. It's better to play it
- * safe and just lock around QueueSubmit.
- *
- * 3) The anv_cmd_buffer_execbuf function may perform relocations in
- * userspace. Due to the fact that the surface state buffer is shared
- * between batches, we can't afford to have that happen from multiple
- * threads at the same time. Even though the user is supposed to
- * ensure this doesn't happen, we play it safe as in (2) above.
- *
- * Since the only other things that ever take the device lock such as block
- * pool resize only rarely happen, this will almost never be contended so
- * taking a lock isn't really an expensive operation in this case.
- */
- pthread_mutex_lock(&device->mutex);
-
if (fence && submitCount == 0) {
/* If we don't have any command buffers, we need to submit a dummy
* batch to give GEM something to wait on. We could, potentially,
* come up with something more efficient but this shouldn't be a
* common case.
*/
- result = anv_cmd_buffer_execbuf(device, NULL, NULL, 0, NULL, 0, fence);
+ result = anv_queue_submit(queue, NULL, NULL, NULL, 0, NULL, NULL, 0,
+ NULL, fence, -1);
goto out;
}
/* Fence for this submit. NULL for all but the last one */
VkFence submit_fence = (i == submitCount - 1) ? fence : VK_NULL_HANDLE;
+ const struct wsi_memory_signal_submit_info *mem_signal_info =
+ vk_find_struct_const(pSubmits[i].pNext,
+ WSI_MEMORY_SIGNAL_SUBMIT_INFO_MESA);
+ struct anv_bo *wsi_signal_bo =
+ mem_signal_info && mem_signal_info->memory != VK_NULL_HANDLE ?
+ anv_device_memory_from_handle(mem_signal_info->memory)->bo : NULL;
+
+ const VkTimelineSemaphoreSubmitInfoKHR *timeline_info =
+ vk_find_struct_const(pSubmits[i].pNext,
+ TIMELINE_SEMAPHORE_SUBMIT_INFO_KHR);
+ const VkPerformanceQuerySubmitInfoKHR *perf_info =
+ vk_find_struct_const(pSubmits[i].pNext,
+ PERFORMANCE_QUERY_SUBMIT_INFO_KHR);
+ const uint64_t *wait_values =
+ timeline_info && timeline_info->waitSemaphoreValueCount ?
+ timeline_info->pWaitSemaphoreValues : NULL;
+ const uint64_t *signal_values =
+ timeline_info && timeline_info->signalSemaphoreValueCount ?
+ timeline_info->pSignalSemaphoreValues : NULL;
+
if (pSubmits[i].commandBufferCount == 0) {
/* If we don't have any command buffers, we need to submit a dummy
* batch to give GEM something to wait on. We could, potentially,
* come up with something more efficient but this shouldn't be a
* common case.
*/
- result = anv_cmd_buffer_execbuf(device, NULL,
- pSubmits[i].pWaitSemaphores,
- pSubmits[i].waitSemaphoreCount,
- pSubmits[i].pSignalSemaphores,
- pSubmits[i].signalSemaphoreCount,
- submit_fence);
+ result = anv_queue_submit(queue, NULL,
+ pSubmits[i].pWaitSemaphores,
+ wait_values,
+ pSubmits[i].waitSemaphoreCount,
+ pSubmits[i].pSignalSemaphores,
+ signal_values,
+ pSubmits[i].signalSemaphoreCount,
+ wsi_signal_bo,
+ submit_fence,
+ -1);
if (result != VK_SUCCESS)
goto out;
submit_fence : VK_NULL_HANDLE;
const VkSemaphore *in_semaphores = NULL, *out_semaphores = NULL;
+ const uint64_t *in_values = NULL, *out_values = NULL;
uint32_t num_in_semaphores = 0, num_out_semaphores = 0;
if (j == 0) {
/* Only the first batch gets the in semaphores */
in_semaphores = pSubmits[i].pWaitSemaphores;
+ in_values = wait_values;
num_in_semaphores = pSubmits[i].waitSemaphoreCount;
}
if (j == pSubmits[i].commandBufferCount - 1) {
/* Only the last batch gets the out semaphores */
out_semaphores = pSubmits[i].pSignalSemaphores;
+ out_values = signal_values;
num_out_semaphores = pSubmits[i].signalSemaphoreCount;
}
- result = anv_cmd_buffer_execbuf(device, cmd_buffer,
- in_semaphores, num_in_semaphores,
- out_semaphores, num_out_semaphores,
- execbuf_fence);
+ result = anv_queue_submit(queue, cmd_buffer,
+ in_semaphores, in_values, num_in_semaphores,
+ out_semaphores, out_values, num_out_semaphores,
+ wsi_signal_bo, execbuf_fence,
+ perf_info ? perf_info->counterPassIndex : 0);
if (result != VK_SUCCESS)
goto out;
}
}
- pthread_cond_broadcast(&device->queue_submit);
-
out:
- if (result != VK_SUCCESS) {
+ if (result != VK_SUCCESS && result != VK_ERROR_DEVICE_LOST) {
/* In the case that something has gone wrong we may end up with an
* inconsistent state from which it may not be trivial to recover.
* For example, we might have computed address relocations and
* anyway (such us being out of memory) and return
* VK_ERROR_DEVICE_LOST to ensure that clients do not attempt to
* submit the same job again to this device.
+ *
+ * We skip doing this on VK_ERROR_DEVICE_LOST because
+ * anv_device_set_lost() would have been called already by a callee of
+ * anv_queue_submit().
*/
- result = anv_device_set_lost(device, "vkQueueSubmit() failed");
+ result = anv_device_set_lost(queue->device, "vkQueueSubmit() failed");
}
- pthread_mutex_unlock(&device->mutex);
-
return result;
}
{
ANV_FROM_HANDLE(anv_queue, queue, _queue);
- return anv_DeviceWaitIdle(anv_device_to_handle(queue->device));
+ if (anv_device_is_lost(queue->device))
+ return VK_ERROR_DEVICE_LOST;
+
+ return anv_queue_submit_simple_batch(queue, NULL);
}
VkResult anv_CreateFence(
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FENCE_CREATE_INFO);
- fence = vk_zalloc2(&device->alloc, pAllocator, sizeof(*fence), 8,
+ fence = vk_zalloc2(&device->vk.alloc, pAllocator, sizeof(*fence), 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (fence == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
- if (device->instance->physicalDevice.has_syncobj_wait) {
+ vk_object_base_init(&device->vk, &fence->base, VK_OBJECT_TYPE_FENCE);
+
+ if (device->physical->has_syncobj_wait) {
fence->permanent.type = ANV_FENCE_TYPE_SYNCOBJ;
uint32_t create_flags = 0;
} else {
fence->permanent.type = ANV_FENCE_TYPE_BO;
- VkResult result = anv_bo_pool_alloc(&device->batch_bo_pool,
- &fence->permanent.bo.bo, 4096);
+ VkResult result = anv_bo_pool_alloc(&device->batch_bo_pool, 4096,
+ &fence->permanent.bo.bo);
if (result != VK_SUCCESS)
return result;
break;
case ANV_FENCE_TYPE_BO:
- anv_bo_pool_free(&device->batch_bo_pool, &impl->bo.bo);
+ anv_bo_pool_free(&device->batch_bo_pool, impl->bo.bo);
+ break;
+
+ case ANV_FENCE_TYPE_WSI_BO:
+ anv_device_release_bo(device, impl->bo.bo);
break;
case ANV_FENCE_TYPE_SYNCOBJ:
impl->type = ANV_FENCE_TYPE_NONE;
}
+void
+anv_fence_reset_temporary(struct anv_device *device,
+ struct anv_fence *fence)
+{
+ if (fence->temporary.type == ANV_FENCE_TYPE_NONE)
+ return;
+
+ anv_fence_impl_cleanup(device, &fence->temporary);
+}
+
void anv_DestroyFence(
VkDevice _device,
VkFence _fence,
anv_fence_impl_cleanup(device, &fence->temporary);
anv_fence_impl_cleanup(device, &fence->permanent);
- vk_free2(&device->alloc, pAllocator, fence);
+ vk_object_base_finish(&fence->base);
+ vk_free2(&device->vk.alloc, pAllocator, fence);
}
VkResult anv_ResetFences(
* first restored. The remaining operations described therefore
* operate on the restored payload.
*/
- if (fence->temporary.type != ANV_FENCE_TYPE_NONE)
- anv_fence_impl_cleanup(device, &fence->temporary);
+ anv_fence_reset_temporary(device, fence);
struct anv_fence_impl *impl = &fence->permanent;
switch (impl->type) {
case ANV_FENCE_TYPE_BO:
- /* BO fences don't support import/export */
- assert(fence->temporary.type == ANV_FENCE_TYPE_NONE);
+ case ANV_FENCE_TYPE_WSI_BO:
switch (impl->bo.state) {
case ANV_BO_FENCE_STATE_RESET:
/* If it hasn't even been sent off to the GPU yet, it's not ready */
/* It's been signaled, return success */
return VK_SUCCESS;
- case ANV_BO_FENCE_STATE_SUBMITTED: {
- VkResult result = anv_device_bo_busy(device, &impl->bo.bo);
- if (result == VK_SUCCESS) {
- impl->bo.state = ANV_BO_FENCE_STATE_SIGNALED;
- return VK_SUCCESS;
- } else {
- return result;
- }
- }
- default:
- unreachable("Invalid fence status");
- }
-
- case ANV_FENCE_TYPE_SYNCOBJ: {
- int ret = anv_gem_syncobj_wait(device, &impl->syncobj, 1, 0, true);
- if (ret == -1) {
- if (errno == ETIME) {
- return VK_NOT_READY;
- } else {
- /* We don't know the real error. */
- return anv_device_set_lost(device, "drm_syncobj_wait failed: %m");
- }
- } else {
- return VK_SUCCESS;
- }
- }
-
- default:
- unreachable("Invalid fence type");
- }
-}
-
-#define NSEC_PER_SEC 1000000000
-#define INT_TYPE_MAX(type) ((1ull << (sizeof(type) * 8 - 1)) - 1)
-
-static uint64_t
-gettime_ns(void)
-{
- struct timespec current;
- clock_gettime(CLOCK_MONOTONIC, ¤t);
- return (uint64_t)current.tv_sec * NSEC_PER_SEC + current.tv_nsec;
-}
-
-static uint64_t anv_get_absolute_timeout(uint64_t timeout)
-{
- if (timeout == 0)
- return 0;
- uint64_t current_time = gettime_ns();
- uint64_t max_timeout = (uint64_t) INT64_MAX - current_time;
-
- timeout = MIN2(max_timeout, timeout);
-
- return (current_time + timeout);
-}
-
-static int64_t anv_get_relative_timeout(uint64_t abs_timeout)
-{
- uint64_t now = gettime_ns();
-
- /* We don't want negative timeouts.
- *
- * DRM_IOCTL_I915_GEM_WAIT uses a signed 64 bit timeout and is
- * supposed to block indefinitely timeouts < 0. Unfortunately,
- * this was broken for a couple of kernel releases. Since there's
- * no way to know whether or not the kernel we're using is one of
- * the broken ones, the best we can do is to clamp the timeout to
- * INT64_MAX. This limits the maximum timeout from 584 years to
- * 292 years - likely not a big deal.
- */
- if (abs_timeout < now)
- return 0;
-
- uint64_t rel_timeout = abs_timeout - now;
- if (rel_timeout > (uint64_t) INT64_MAX)
- rel_timeout = INT64_MAX;
+ case ANV_BO_FENCE_STATE_SUBMITTED: {
+ VkResult result = anv_device_bo_busy(device, impl->bo.bo);
+ if (result == VK_SUCCESS) {
+ impl->bo.state = ANV_BO_FENCE_STATE_SIGNALED;
+ return VK_SUCCESS;
+ } else {
+ return result;
+ }
+ }
+ default:
+ unreachable("Invalid fence status");
+ }
- return rel_timeout;
+ case ANV_FENCE_TYPE_SYNCOBJ: {
+ int ret = anv_gem_syncobj_wait(device, &impl->syncobj, 1, 0, true);
+ if (ret == -1) {
+ if (errno == ETIME) {
+ return VK_NOT_READY;
+ } else {
+ /* We don't know the real error. */
+ return anv_device_set_lost(device, "drm_syncobj_wait failed: %m");
+ }
+ } else {
+ return VK_SUCCESS;
+ }
+ }
+
+ default:
+ unreachable("Invalid fence type");
+ }
}
static VkResult
bool waitAll,
uint64_t abs_timeout_ns)
{
- uint32_t *syncobjs = vk_zalloc(&device->alloc,
+ uint32_t *syncobjs = vk_zalloc(&device->vk.alloc,
sizeof(*syncobjs) * fenceCount, 8,
VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
if (!syncobjs)
do {
ret = anv_gem_syncobj_wait(device, syncobjs, fenceCount,
abs_timeout_ns, waitAll);
- } while (ret == -1 && errno == ETIME && gettime_ns() < abs_timeout_ns);
+ } while (ret == -1 && errno == ETIME && anv_gettime_ns() < abs_timeout_ns);
- vk_free(&device->alloc, syncobjs);
+ vk_free(&device->vk.alloc, syncobjs);
if (ret == -1) {
if (errno == ETIME) {
for (uint32_t i = 0; i < fenceCount; i++) {
ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
- /* This function assumes that all fences are BO fences and that they
- * have no temporary state. Since BO fences will never be exported,
- * this should be a safe assumption.
- */
- assert(fence->permanent.type == ANV_FENCE_TYPE_BO);
- assert(fence->temporary.type == ANV_FENCE_TYPE_NONE);
- struct anv_fence_impl *impl = &fence->permanent;
+ struct anv_fence_impl *impl =
+ fence->temporary.type != ANV_FENCE_TYPE_NONE ?
+ &fence->temporary : &fence->permanent;
+ assert(impl->type == ANV_FENCE_TYPE_BO ||
+ impl->type == ANV_FENCE_TYPE_WSI_BO);
switch (impl->bo.state) {
case ANV_BO_FENCE_STATE_RESET:
/* These are the fences we really care about. Go ahead and wait
* on it until we hit a timeout.
*/
- result = anv_device_wait(device, &impl->bo.bo,
+ result = anv_device_wait(device, impl->bo.bo,
anv_get_relative_timeout(abs_timeout_ns));
switch (result) {
case VK_SUCCESS:
.tv_nsec = abs_timeout_ns % NSEC_PER_SEC,
};
- MAYBE_UNUSED int ret;
+ ASSERTED int ret;
ret = pthread_cond_timedwait(&device->queue_submit,
&device->mutex, &abstime);
assert(ret != EINVAL);
- if (gettime_ns() >= abs_timeout_ns) {
+ if (anv_gettime_ns() >= abs_timeout_ns) {
pthread_mutex_unlock(&device->mutex);
result = VK_TIMEOUT;
goto done;
static VkResult
anv_wait_for_wsi_fence(struct anv_device *device,
- const VkFence _fence,
+ struct anv_fence_impl *impl,
uint64_t abs_timeout)
{
- ANV_FROM_HANDLE(anv_fence, fence, _fence);
- struct anv_fence_impl *impl = &fence->permanent;
-
return impl->fence_wsi->wait(impl->fence_wsi, abs_timeout);
}
if (fenceCount <= 1 || waitAll) {
for (uint32_t i = 0; i < fenceCount; i++) {
ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
- switch (fence->permanent.type) {
+ struct anv_fence_impl *impl =
+ fence->temporary.type != ANV_FENCE_TYPE_NONE ?
+ &fence->temporary : &fence->permanent;
+
+ switch (impl->type) {
case ANV_FENCE_TYPE_BO:
+ case ANV_FENCE_TYPE_WSI_BO:
result = anv_wait_for_bo_fences(device, 1, &pFences[i],
true, abs_timeout);
break;
true, abs_timeout);
break;
case ANV_FENCE_TYPE_WSI:
- result = anv_wait_for_wsi_fence(device, pFences[i], abs_timeout);
+ result = anv_wait_for_wsi_fence(device, impl, abs_timeout);
break;
case ANV_FENCE_TYPE_NONE:
result = VK_SUCCESS;
if (anv_wait_for_fences(device, 1, &pFences[i], true, 0) == VK_SUCCESS)
return VK_SUCCESS;
}
- } while (gettime_ns() < abs_timeout);
+ } while (anv_gettime_ns() < abs_timeout);
result = VK_TIMEOUT;
}
return result;
{
for (uint32_t i = 0; i < fenceCount; ++i) {
ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
- if (fence->permanent.type != ANV_FENCE_TYPE_SYNCOBJ)
+ struct anv_fence_impl *impl =
+ fence->temporary.type != ANV_FENCE_TYPE_NONE ?
+ &fence->temporary : &fence->permanent;
+ if (impl->type != ANV_FENCE_TYPE_SYNCOBJ)
return false;
}
return true;
{
for (uint32_t i = 0; i < fenceCount; ++i) {
ANV_FROM_HANDLE(anv_fence, fence, pFences[i]);
- if (fence->permanent.type != ANV_FENCE_TYPE_BO)
+ struct anv_fence_impl *impl =
+ fence->temporary.type != ANV_FENCE_TYPE_NONE ?
+ &fence->temporary : &fence->permanent;
+ if (impl->type != ANV_FENCE_TYPE_BO &&
+ impl->type != ANV_FENCE_TYPE_WSI_BO)
return false;
}
return true;
{
ANV_FROM_HANDLE(anv_device, device, _device);
+ if (device->no_hw)
+ return VK_SUCCESS;
+
if (anv_device_is_lost(device))
return VK_ERROR_DEVICE_LOST;
void anv_GetPhysicalDeviceExternalFenceProperties(
VkPhysicalDevice physicalDevice,
- const VkPhysicalDeviceExternalFenceInfoKHR* pExternalFenceInfo,
- VkExternalFencePropertiesKHR* pExternalFenceProperties)
+ const VkPhysicalDeviceExternalFenceInfo* pExternalFenceInfo,
+ VkExternalFenceProperties* pExternalFenceProperties)
{
ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
if (anv_gem_syncobj_import_sync_file(device, new_impl.syncobj, fd)) {
anv_gem_syncobj_destroy(device, new_impl.syncobj);
- return vk_errorf(device->instance, NULL,
- VK_ERROR_INVALID_EXTERNAL_HANDLE,
+ return vk_errorf(device, NULL, VK_ERROR_INVALID_EXTERNAL_HANDLE,
"syncobj sync file import failed: %m");
}
break;
// Queue semaphore functions
+static VkSemaphoreTypeKHR
+get_semaphore_type(const void *pNext, uint64_t *initial_value)
+{
+ const VkSemaphoreTypeCreateInfoKHR *type_info =
+ vk_find_struct_const(pNext, SEMAPHORE_TYPE_CREATE_INFO_KHR);
+
+ if (!type_info)
+ return VK_SEMAPHORE_TYPE_BINARY_KHR;
+
+ if (initial_value)
+ *initial_value = type_info->initialValue;
+ return type_info->semaphoreType;
+}
+
+static VkResult
+binary_semaphore_create(struct anv_device *device,
+ struct anv_semaphore_impl *impl,
+ bool exportable)
+{
+ if (device->physical->has_syncobj) {
+ impl->type = ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ;
+ impl->syncobj = anv_gem_syncobj_create(device, 0);
+ if (!impl->syncobj)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+ return VK_SUCCESS;
+ } else {
+ impl->type = ANV_SEMAPHORE_TYPE_BO;
+ VkResult result =
+ anv_device_alloc_bo(device, 4096,
+ ANV_BO_ALLOC_EXTERNAL |
+ ANV_BO_ALLOC_IMPLICIT_SYNC,
+ 0 /* explicit_address */,
+ &impl->bo);
+ /* If we're going to use this as a fence, we need to *not* have the
+ * EXEC_OBJECT_ASYNC bit set.
+ */
+ assert(!(impl->bo->flags & EXEC_OBJECT_ASYNC));
+ return result;
+ }
+}
+
+static VkResult
+timeline_semaphore_create(struct anv_device *device,
+ struct anv_semaphore_impl *impl,
+ uint64_t initial_value)
+{
+ impl->type = ANV_SEMAPHORE_TYPE_TIMELINE;
+ anv_timeline_init(device, &impl->timeline, initial_value);
+ return VK_SUCCESS;
+}
+
VkResult anv_CreateSemaphore(
VkDevice _device,
const VkSemaphoreCreateInfo* pCreateInfo,
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO);
- semaphore = vk_alloc2(&device->alloc, pAllocator, sizeof(*semaphore), 8,
- VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+ uint64_t timeline_value = 0;
+ VkSemaphoreTypeKHR sem_type = get_semaphore_type(pCreateInfo->pNext, &timeline_value);
+
+ semaphore = vk_alloc(&device->vk.alloc, sizeof(*semaphore), 8,
+ VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
if (semaphore == NULL)
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
- const VkExportSemaphoreCreateInfoKHR *export =
+ vk_object_base_init(&device->vk, &semaphore->base, VK_OBJECT_TYPE_SEMAPHORE);
+
+ p_atomic_set(&semaphore->refcount, 1);
+
+ const VkExportSemaphoreCreateInfo *export =
vk_find_struct_const(pCreateInfo->pNext, EXPORT_SEMAPHORE_CREATE_INFO);
- VkExternalSemaphoreHandleTypeFlagsKHR handleTypes =
+ VkExternalSemaphoreHandleTypeFlags handleTypes =
export ? export->handleTypes : 0;
+ VkResult result;
if (handleTypes == 0) {
- /* The DRM execbuffer ioctl always execute in-oder so long as you stay
- * on the same ring. Since we don't expose the blit engine as a DMA
- * queue, a dummy no-op semaphore is a perfectly valid implementation.
- */
- semaphore->permanent.type = ANV_SEMAPHORE_TYPE_DUMMY;
+ if (sem_type == VK_SEMAPHORE_TYPE_BINARY_KHR)
+ result = binary_semaphore_create(device, &semaphore->permanent, false);
+ else
+ result = timeline_semaphore_create(device, &semaphore->permanent, timeline_value);
+ if (result != VK_SUCCESS) {
+ vk_free2(&device->vk.alloc, pAllocator, semaphore);
+ return result;
+ }
} else if (handleTypes & VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT) {
assert(handleTypes == VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT);
- if (device->instance->physicalDevice.has_syncobj) {
+ assert(sem_type == VK_SEMAPHORE_TYPE_BINARY_KHR);
+ result = binary_semaphore_create(device, &semaphore->permanent, true);
+ if (result != VK_SUCCESS) {
+ vk_free2(&device->vk.alloc, pAllocator, semaphore);
+ return result;
+ }
+ } else if (handleTypes & VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT) {
+ assert(handleTypes == VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT);
+ assert(sem_type == VK_SEMAPHORE_TYPE_BINARY_KHR);
+ if (device->physical->has_syncobj) {
semaphore->permanent.type = ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ;
semaphore->permanent.syncobj = anv_gem_syncobj_create(device, 0);
if (!semaphore->permanent.syncobj) {
- vk_free2(&device->alloc, pAllocator, semaphore);
+ vk_free2(&device->vk.alloc, pAllocator, semaphore);
return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
}
} else {
- semaphore->permanent.type = ANV_SEMAPHORE_TYPE_BO;
- VkResult result = anv_bo_cache_alloc(device, &device->bo_cache,
- 4096, ANV_BO_EXTERNAL,
- &semaphore->permanent.bo);
- if (result != VK_SUCCESS) {
- vk_free2(&device->alloc, pAllocator, semaphore);
- return result;
- }
-
- /* If we're going to use this as a fence, we need to *not* have the
- * EXEC_OBJECT_ASYNC bit set.
- */
- assert(!(semaphore->permanent.bo->flags & EXEC_OBJECT_ASYNC));
+ semaphore->permanent.type = ANV_SEMAPHORE_TYPE_SYNC_FILE;
+ semaphore->permanent.fd = -1;
}
- } else if (handleTypes & VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT) {
- assert(handleTypes == VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT);
-
- semaphore->permanent.type = ANV_SEMAPHORE_TYPE_SYNC_FILE;
- semaphore->permanent.fd = -1;
} else {
assert(!"Unknown handle type");
- vk_free2(&device->alloc, pAllocator, semaphore);
+ vk_free2(&device->vk.alloc, pAllocator, semaphore);
return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE);
}
break;
case ANV_SEMAPHORE_TYPE_BO:
- anv_bo_cache_release(device, &device->bo_cache, impl->bo);
+ case ANV_SEMAPHORE_TYPE_WSI_BO:
+ anv_device_release_bo(device, impl->bo);
break;
case ANV_SEMAPHORE_TYPE_SYNC_FILE:
- close(impl->fd);
+ if (impl->fd >= 0)
+ close(impl->fd);
+ break;
+
+ case ANV_SEMAPHORE_TYPE_TIMELINE:
+ anv_timeline_finish(device, &impl->timeline);
break;
case ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ:
anv_semaphore_impl_cleanup(device, &semaphore->temporary);
}
+static struct anv_semaphore *
+anv_semaphore_ref(struct anv_semaphore *semaphore)
+{
+ assert(semaphore->refcount);
+ p_atomic_inc(&semaphore->refcount);
+ return semaphore;
+}
+
+static void
+anv_semaphore_unref(struct anv_device *device, struct anv_semaphore *semaphore)
+{
+ if (!p_atomic_dec_zero(&semaphore->refcount))
+ return;
+
+ anv_semaphore_impl_cleanup(device, &semaphore->temporary);
+ anv_semaphore_impl_cleanup(device, &semaphore->permanent);
+
+ vk_object_base_finish(&semaphore->base);
+ vk_free(&device->vk.alloc, semaphore);
+}
+
void anv_DestroySemaphore(
VkDevice _device,
VkSemaphore _semaphore,
if (semaphore == NULL)
return;
- anv_semaphore_impl_cleanup(device, &semaphore->temporary);
- anv_semaphore_impl_cleanup(device, &semaphore->permanent);
-
- vk_free2(&device->alloc, pAllocator, semaphore);
+ anv_semaphore_unref(device, semaphore);
}
void anv_GetPhysicalDeviceExternalSemaphoreProperties(
VkPhysicalDevice physicalDevice,
- const VkPhysicalDeviceExternalSemaphoreInfoKHR* pExternalSemaphoreInfo,
- VkExternalSemaphorePropertiesKHR* pExternalSemaphoreProperties)
+ const VkPhysicalDeviceExternalSemaphoreInfo* pExternalSemaphoreInfo,
+ VkExternalSemaphoreProperties* pExternalSemaphoreProperties)
{
ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
+ VkSemaphoreTypeKHR sem_type =
+ get_semaphore_type(pExternalSemaphoreInfo->pNext, NULL);
+
switch (pExternalSemaphoreInfo->handleType) {
case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT:
+ /* Timeline semaphores are not exportable. */
+ if (sem_type == VK_SEMAPHORE_TYPE_TIMELINE_KHR)
+ break;
pExternalSemaphoreProperties->exportFromImportedHandleTypes =
VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT;
pExternalSemaphoreProperties->compatibleHandleTypes =
return;
case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT:
- if (device->has_exec_fence) {
- pExternalSemaphoreProperties->exportFromImportedHandleTypes =
- VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
- pExternalSemaphoreProperties->compatibleHandleTypes =
- VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
- pExternalSemaphoreProperties->externalSemaphoreFeatures =
- VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT |
- VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT;
- return;
- }
- break;
+ if (sem_type == VK_SEMAPHORE_TYPE_TIMELINE_KHR)
+ break;
+ if (!device->has_exec_fence)
+ break;
+ pExternalSemaphoreProperties->exportFromImportedHandleTypes =
+ VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
+ pExternalSemaphoreProperties->compatibleHandleTypes =
+ VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT;
+ pExternalSemaphoreProperties->externalSemaphoreFeatures =
+ VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT |
+ VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT;
+ return;
default:
break;
switch (pImportSemaphoreFdInfo->handleType) {
case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT:
- if (device->instance->physicalDevice.has_syncobj) {
+ if (device->physical->has_syncobj) {
new_impl.type = ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ;
new_impl.syncobj = anv_gem_syncobj_fd_to_handle(device, fd);
} else {
new_impl.type = ANV_SEMAPHORE_TYPE_BO;
- VkResult result = anv_bo_cache_import(device, &device->bo_cache,
- fd, ANV_BO_EXTERNAL,
- &new_impl.bo);
+ VkResult result = anv_device_import_bo(device, fd,
+ ANV_BO_ALLOC_EXTERNAL |
+ ANV_BO_ALLOC_IMPLICIT_SYNC,
+ 0 /* client_address */,
+ &new_impl.bo);
if (result != VK_SUCCESS)
return result;
if (new_impl.bo->size < 4096) {
- anv_bo_cache_release(device, &device->bo_cache, new_impl.bo);
- return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE_KHR);
+ anv_device_release_bo(device, new_impl.bo);
+ return vk_error(VK_ERROR_INVALID_EXTERNAL_HANDLE);
}
/* If we're going to use this as a fence, we need to *not* have the
break;
case VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT:
- new_impl = (struct anv_semaphore_impl) {
- .type = ANV_SEMAPHORE_TYPE_SYNC_FILE,
- .fd = fd,
- };
+ if (device->physical->has_syncobj) {
+ new_impl = (struct anv_semaphore_impl) {
+ .type = ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ,
+ .syncobj = anv_gem_syncobj_create(device, 0),
+ };
+ if (!new_impl.syncobj)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+ if (anv_gem_syncobj_import_sync_file(device, new_impl.syncobj, fd)) {
+ anv_gem_syncobj_destroy(device, new_impl.syncobj);
+ return vk_errorf(device, NULL, VK_ERROR_INVALID_EXTERNAL_HANDLE,
+ "syncobj sync file import failed: %m");
+ }
+ /* Ownership of the FD is transfered to Anv. Since we don't need it
+ * anymore because the associated fence has been put into a syncobj,
+ * we must close the FD.
+ */
+ close(fd);
+ } else {
+ new_impl = (struct anv_semaphore_impl) {
+ .type = ANV_SEMAPHORE_TYPE_SYNC_FILE,
+ .fd = fd,
+ };
+ }
break;
default:
switch (impl->type) {
case ANV_SEMAPHORE_TYPE_BO:
- result = anv_bo_cache_export(device, &device->bo_cache, impl->bo, pFd);
+ result = anv_device_export_bo(device, impl->bo, pFd);
if (result != VK_SUCCESS)
return result;
break;
- case ANV_SEMAPHORE_TYPE_SYNC_FILE:
- /* There are two reasons why this could happen:
- *
- * 1) The user is trying to export without submitting something that
- * signals the semaphore. If this is the case, it's their bug so
- * what we return here doesn't matter.
- *
- * 2) The kernel didn't give us a file descriptor. The most likely
- * reason for this is running out of file descriptors.
+ case ANV_SEMAPHORE_TYPE_SYNC_FILE: {
+ /* There's a potential race here with vkQueueSubmit if you are trying
+ * to export a semaphore Fd while the queue submit is still happening.
+ * This can happen if we see all dependencies get resolved via timeline
+ * semaphore waits completing before the execbuf completes and we
+ * process the resulting out fence. To work around this, take a lock
+ * around grabbing the fd.
*/
- if (impl->fd < 0)
- return vk_error(VK_ERROR_TOO_MANY_OBJECTS);
-
- *pFd = impl->fd;
+ pthread_mutex_lock(&device->mutex);
/* From the Vulkan 1.0.53 spec:
*
* considered to have been waited on and no longer has a sync file
* attached.
*/
+ int fd = impl->fd;
impl->fd = -1;
+
+ pthread_mutex_unlock(&device->mutex);
+
+ /* There are two reasons why this could happen:
+ *
+ * 1) The user is trying to export without submitting something that
+ * signals the semaphore. If this is the case, it's their bug so
+ * what we return here doesn't matter.
+ *
+ * 2) The kernel didn't give us a file descriptor. The most likely
+ * reason for this is running out of file descriptors.
+ */
+ if (fd < 0)
+ return vk_error(VK_ERROR_TOO_MANY_OBJECTS);
+
+ *pFd = fd;
return VK_SUCCESS;
+ }
case ANV_SEMAPHORE_TYPE_DRM_SYNCOBJ:
- fd = anv_gem_syncobj_handle_to_fd(device, impl->syncobj);
+ if (pGetFdInfo->handleType == VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT)
+ fd = anv_gem_syncobj_export_sync_file(device, impl->syncobj);
+ else {
+ assert(pGetFdInfo->handleType == VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT);
+ fd = anv_gem_syncobj_handle_to_fd(device, impl->syncobj);
+ }
if (fd < 0)
return vk_error(VK_ERROR_TOO_MANY_OBJECTS);
*pFd = fd;
return VK_SUCCESS;
}
+
+VkResult anv_GetSemaphoreCounterValue(
+ VkDevice _device,
+ VkSemaphore _semaphore,
+ uint64_t* pValue)
+{
+ ANV_FROM_HANDLE(anv_device, device, _device);
+ ANV_FROM_HANDLE(anv_semaphore, semaphore, _semaphore);
+
+ struct anv_semaphore_impl *impl =
+ semaphore->temporary.type != ANV_SEMAPHORE_TYPE_NONE ?
+ &semaphore->temporary : &semaphore->permanent;
+
+ switch (impl->type) {
+ case ANV_SEMAPHORE_TYPE_TIMELINE: {
+ pthread_mutex_lock(&device->mutex);
+ *pValue = impl->timeline.highest_past;
+ pthread_mutex_unlock(&device->mutex);
+ return VK_SUCCESS;
+ }
+
+ default:
+ unreachable("Invalid semaphore type");
+ }
+}
+
+static VkResult
+anv_timeline_wait_locked(struct anv_device *device,
+ struct anv_timeline *timeline,
+ uint64_t serial, uint64_t abs_timeout_ns)
+{
+ /* Wait on the queue_submit condition variable until the timeline has a
+ * time point pending that's at least as high as serial.
+ */
+ while (timeline->highest_pending < serial) {
+ struct timespec abstime = {
+ .tv_sec = abs_timeout_ns / NSEC_PER_SEC,
+ .tv_nsec = abs_timeout_ns % NSEC_PER_SEC,
+ };
+
+ int ret = pthread_cond_timedwait(&device->queue_submit,
+ &device->mutex, &abstime);
+ assert(ret != EINVAL);
+ if (anv_gettime_ns() >= abs_timeout_ns &&
+ timeline->highest_pending < serial)
+ return VK_TIMEOUT;
+ }
+
+ while (1) {
+ VkResult result = anv_timeline_gc_locked(device, timeline);
+ if (result != VK_SUCCESS)
+ return result;
+
+ if (timeline->highest_past >= serial)
+ return VK_SUCCESS;
+
+ /* If we got here, our earliest time point has a busy BO */
+ struct anv_timeline_point *point =
+ list_first_entry(&timeline->points,
+ struct anv_timeline_point, link);
+
+ /* Drop the lock while we wait. */
+ point->waiting++;
+ pthread_mutex_unlock(&device->mutex);
+
+ result = anv_device_wait(device, point->bo,
+ anv_get_relative_timeout(abs_timeout_ns));
+
+ /* Pick the mutex back up */
+ pthread_mutex_lock(&device->mutex);
+ point->waiting--;
+
+ /* This covers both VK_TIMEOUT and VK_ERROR_DEVICE_LOST */
+ if (result != VK_SUCCESS)
+ return result;
+ }
+}
+
+static VkResult
+anv_timelines_wait(struct anv_device *device,
+ struct anv_timeline **timelines,
+ const uint64_t *serials,
+ uint32_t n_timelines,
+ bool wait_all,
+ uint64_t abs_timeout_ns)
+{
+ if (!wait_all && n_timelines > 1) {
+ pthread_mutex_lock(&device->mutex);
+
+ while (1) {
+ VkResult result;
+ for (uint32_t i = 0; i < n_timelines; i++) {
+ result =
+ anv_timeline_wait_locked(device, timelines[i], serials[i], 0);
+ if (result != VK_TIMEOUT)
+ break;
+ }
+
+ if (result != VK_TIMEOUT ||
+ anv_gettime_ns() >= abs_timeout_ns) {
+ pthread_mutex_unlock(&device->mutex);
+ return result;
+ }
+
+ /* If none of them are ready do a short wait so we don't completely
+ * spin while holding the lock. The 10us is completely arbitrary.
+ */
+ uint64_t abs_short_wait_ns =
+ anv_get_absolute_timeout(
+ MIN2((anv_gettime_ns() - abs_timeout_ns) / 10, 10 * 1000));
+ struct timespec abstime = {
+ .tv_sec = abs_short_wait_ns / NSEC_PER_SEC,
+ .tv_nsec = abs_short_wait_ns % NSEC_PER_SEC,
+ };
+ ASSERTED int ret;
+ ret = pthread_cond_timedwait(&device->queue_submit,
+ &device->mutex, &abstime);
+ assert(ret != EINVAL);
+ }
+ } else {
+ VkResult result = VK_SUCCESS;
+ pthread_mutex_lock(&device->mutex);
+ for (uint32_t i = 0; i < n_timelines; i++) {
+ result =
+ anv_timeline_wait_locked(device, timelines[i],
+ serials[i], abs_timeout_ns);
+ if (result != VK_SUCCESS)
+ break;
+ }
+ pthread_mutex_unlock(&device->mutex);
+ return result;
+ }
+}
+
+VkResult anv_WaitSemaphores(
+ VkDevice _device,
+ const VkSemaphoreWaitInfoKHR* pWaitInfo,
+ uint64_t timeout)
+{
+ ANV_FROM_HANDLE(anv_device, device, _device);
+
+ if (device->no_hw)
+ return VK_SUCCESS;
+
+ struct anv_timeline **timelines =
+ vk_alloc(&device->vk.alloc,
+ pWaitInfo->semaphoreCount * sizeof(*timelines),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
+ if (!timelines)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ uint64_t *values = vk_alloc(&device->vk.alloc,
+ pWaitInfo->semaphoreCount * sizeof(*values),
+ 8, VK_SYSTEM_ALLOCATION_SCOPE_COMMAND);
+ if (!values) {
+ vk_free(&device->vk.alloc, timelines);
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+ }
+
+ uint32_t handle_count = 0;
+ for (uint32_t i = 0; i < pWaitInfo->semaphoreCount; i++) {
+ ANV_FROM_HANDLE(anv_semaphore, semaphore, pWaitInfo->pSemaphores[i]);
+ struct anv_semaphore_impl *impl =
+ semaphore->temporary.type != ANV_SEMAPHORE_TYPE_NONE ?
+ &semaphore->temporary : &semaphore->permanent;
+
+ assert(impl->type == ANV_SEMAPHORE_TYPE_TIMELINE);
+
+ if (pWaitInfo->pValues[i] == 0)
+ continue;
+
+ timelines[handle_count] = &impl->timeline;
+ values[handle_count] = pWaitInfo->pValues[i];
+ handle_count++;
+ }
+
+ VkResult result = VK_SUCCESS;
+ if (handle_count > 0) {
+ result = anv_timelines_wait(device, timelines, values, handle_count,
+ !(pWaitInfo->flags & VK_SEMAPHORE_WAIT_ANY_BIT_KHR),
+ anv_get_absolute_timeout(timeout));
+ }
+
+ vk_free(&device->vk.alloc, timelines);
+ vk_free(&device->vk.alloc, values);
+
+ return result;
+}
+
+VkResult anv_SignalSemaphore(
+ VkDevice _device,
+ const VkSemaphoreSignalInfoKHR* pSignalInfo)
+{
+ ANV_FROM_HANDLE(anv_device, device, _device);
+ ANV_FROM_HANDLE(anv_semaphore, semaphore, pSignalInfo->semaphore);
+
+ struct anv_semaphore_impl *impl =
+ semaphore->temporary.type != ANV_SEMAPHORE_TYPE_NONE ?
+ &semaphore->temporary : &semaphore->permanent;
+
+ switch (impl->type) {
+ case ANV_SEMAPHORE_TYPE_TIMELINE: {
+ pthread_mutex_lock(&device->mutex);
+
+ VkResult result = anv_timeline_gc_locked(device, &impl->timeline);
+
+ assert(pSignalInfo->value > impl->timeline.highest_pending);
+
+ impl->timeline.highest_pending = impl->timeline.highest_past = pSignalInfo->value;
+
+ if (result == VK_SUCCESS)
+ result = anv_device_submit_deferred_locked(device);
+
+ pthread_cond_broadcast(&device->queue_submit);
+ pthread_mutex_unlock(&device->mutex);
+ return result;
+ }
+
+ default:
+ unreachable("Invalid semaphore type");
+ }
+}
projects / mesa.git / blobdiff