C++ (Cpp) kfd_release_kernel_doorbell Examples

Example #1

File: kfd_kernel_queue.c Project: lcavalcante/linux

static void uninitialize(struct kernel_queue *kq)
{
	if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ)
		kq->mqd->destroy_mqd(kq->mqd,
					kq->queue->mqd,
					KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
					KFD_UNMAP_LATENCY_MS,
					kq->queue->pipe,
					kq->queue->queue);
	else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ)
		kfd_gtt_sa_free(kq->dev, kq->fence_mem_obj);

	kq->mqd->uninit_mqd(kq->mqd, kq->queue->mqd, kq->queue->mqd_mem_obj);

	kfd_gtt_sa_free(kq->dev, kq->rptr_mem);
	kfd_gtt_sa_free(kq->dev, kq->wptr_mem);
	kq->ops_asic_specific.uninitialize(kq);
	kfd_gtt_sa_free(kq->dev, kq->pq);
	kfd_release_kernel_doorbell(kq->dev,
					kq->queue->properties.doorbell_ptr);
	uninit_queue(kq->queue);
}

Example #2

File: kfd_kernel_queue.c Project: 0x000000FF/edison-linux

static void uninitialize(struct kernel_queue *kq)
{
	BUG_ON(!kq);

	if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ)
		kq->mqd->destroy_mqd(kq->mqd,
					NULL,
					false,
					QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS,
					kq->queue->pipe,
					kq->queue->queue);
	else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ)
		kfd_gtt_sa_free(kq->dev, kq->fence_mem_obj);

	kq->mqd->uninit_mqd(kq->mqd, kq->queue->mqd, kq->queue->mqd_mem_obj);

	kfd_gtt_sa_free(kq->dev, kq->rptr_mem);
	kfd_gtt_sa_free(kq->dev, kq->wptr_mem);
	kq->ops_asic_specific.uninitialize(kq);
	kfd_gtt_sa_free(kq->dev, kq->pq);
	kfd_release_kernel_doorbell(kq->dev,
					kq->queue->properties.doorbell_ptr);
	uninit_queue(kq->queue);
}

Example #3

File: kfd_kernel_queue.c Project: RadeonOpenCompute/ROCK-Kernel-Driver

static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,
		enum kfd_queue_type type, unsigned int queue_size)
{
	struct queue_properties prop;
	int retval;
	union PM4_MES_TYPE_3_HEADER nop;

	BUG_ON(!kq || !dev);
	BUG_ON(type != KFD_QUEUE_TYPE_DIQ && type != KFD_QUEUE_TYPE_HIQ);

	pr_debug("amdkfd: In func %s initializing queue type %d size %d\n",
			__func__, KFD_QUEUE_TYPE_HIQ, queue_size);

	memset(&prop, 0, sizeof(prop));
	memset(&nop, 0, sizeof(nop));

	nop.opcode = IT_NOP;
	nop.type = PM4_TYPE_3;
	nop.u32all |= PM4_COUNT_ZERO;

	kq->dev = dev;
	kq->nop_packet = nop.u32all;
	switch (type) {
	case KFD_QUEUE_TYPE_DIQ:
	case KFD_QUEUE_TYPE_HIQ:
		kq->mqd = dev->dqm->ops.get_mqd_manager(dev->dqm,
						KFD_MQD_TYPE_HIQ);
		break;
	default:
		BUG();
		break;
	}

	if (kq->mqd == NULL)
		return false;

	prop.doorbell_ptr = kfd_get_kernel_doorbell(dev, &prop.doorbell_off);

	if (prop.doorbell_ptr == NULL) {
		pr_err("amdkfd: error init doorbell");
		goto err_get_kernel_doorbell;
	}

	retval = kfd_gtt_sa_allocate(dev, queue_size, &kq->pq);
	if (retval != 0) {
		pr_err("amdkfd: error init pq queues size (%d)\n", queue_size);
		goto err_pq_allocate_vidmem;
	}

	kq->pq_kernel_addr = kq->pq->cpu_ptr;
	kq->pq_gpu_addr = kq->pq->gpu_addr;

	retval = kq->ops_asic_specific.initialize(kq, dev, type, queue_size);
	if (retval == false)
		goto err_eop_allocate_vidmem;

	retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->rptr_kernel),
					&kq->rptr_mem);

	if (retval != 0)
		goto err_rptr_allocate_vidmem;

	kq->rptr_kernel = kq->rptr_mem->cpu_ptr;
	kq->rptr_gpu_addr = kq->rptr_mem->gpu_addr;

	retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->wptr_kernel),
					&kq->wptr_mem);

	if (retval != 0)
		goto err_wptr_allocate_vidmem;

	kq->wptr_kernel = kq->wptr_mem->cpu_ptr;
	kq->wptr_gpu_addr = kq->wptr_mem->gpu_addr;

	memset(kq->pq_kernel_addr, 0, queue_size);
	memset(kq->rptr_kernel, 0, sizeof(*kq->rptr_kernel));
	memset(kq->wptr_kernel, 0, sizeof(*kq->wptr_kernel));

	prop.queue_size = queue_size;
	prop.is_interop = false;
	prop.priority = 1;
	prop.queue_percent = 100;
	prop.type = type;
	prop.vmid = 0;
	prop.queue_address = kq->pq_gpu_addr;
	prop.read_ptr = (uint32_t *) kq->rptr_gpu_addr;
	prop.write_ptr = (uint32_t *) kq->wptr_gpu_addr;
	prop.eop_ring_buffer_address = kq->eop_gpu_addr;
	prop.eop_ring_buffer_size = PAGE_SIZE;

	if (init_queue(&kq->queue, &prop) != 0)
		goto err_init_queue;

	kq->queue->device = dev;
	kq->queue->process = kfd_get_process(current);

	retval = kq->mqd->init_mqd(kq->mqd, &kq->queue->mqd,
					&kq->queue->mqd_mem_obj,
					&kq->queue->gart_mqd_addr,
					&kq->queue->properties);
	if (retval != 0)
		goto err_init_mqd;

	/* assign HIQ to HQD */
	if (type == KFD_QUEUE_TYPE_HIQ) {
		pr_debug("assigning hiq to hqd\n");
		kq->queue->pipe = KFD_CIK_HIQ_PIPE;
		kq->queue->queue = KFD_CIK_HIQ_QUEUE;
		kq->mqd->load_mqd(kq->mqd, kq->queue->mqd, kq->queue->pipe,
					kq->queue->queue, NULL, NULL);
	} else {
		/* allocate fence for DIQ */

		retval = kfd_gtt_sa_allocate(dev, sizeof(uint32_t),
						&kq->fence_mem_obj);

		if (retval != 0)
			goto err_alloc_fence;

		kq->fence_kernel_address = kq->fence_mem_obj->cpu_ptr;
		kq->fence_gpu_addr = kq->fence_mem_obj->gpu_addr;
	}

	print_queue(kq->queue);

	return true;
err_alloc_fence:
err_init_mqd:
	uninit_queue(kq->queue);
err_init_queue:
	kfd_gtt_sa_free(dev, kq->wptr_mem);
err_wptr_allocate_vidmem:
	kfd_gtt_sa_free(dev, kq->rptr_mem);
err_rptr_allocate_vidmem:
	kfd_gtt_sa_free(dev, kq->eop_mem);
err_eop_allocate_vidmem:
	kfd_gtt_sa_free(dev, kq->pq);
err_pq_allocate_vidmem:
	kfd_release_kernel_doorbell(dev, prop.doorbell_ptr);
err_get_kernel_doorbell:
	return false;

}