53 int kfd_interrupt_init(struct kfd_dev *kfd)  in kfd_interrupt_init()  argument
57 	r = kfifo_alloc(&kfd->ih_fifo,  in kfd_interrupt_init()
58 		KFD_IH_NUM_ENTRIES * kfd->device_info.ih_ring_entry_size,  in kfd_interrupt_init()
61 		dev_err(kfd->adev->dev, "Failed to allocate IH fifo\n");  in kfd_interrupt_init()
65 	kfd->ih_wq = alloc_workqueue("KFD IH", WQ_HIGHPRI, 1);  in kfd_interrupt_init()
66 	if (unlikely(!kfd->ih_wq)) {  in kfd_interrupt_init()
67 		kfifo_free(&kfd->ih_fifo);  in kfd_interrupt_init()
68 		dev_err(kfd->adev->dev, "Failed to allocate KFD IH workqueue\n");  in kfd_interrupt_init()
71 	spin_lock_init(&kfd->interrupt_lock);  in kfd_interrupt_init()
73 	INIT_WORK(&kfd->interrupt_work, interrupt_wq);  in kfd_interrupt_init()
75 	kfd->interrupts_active = true;  in kfd_interrupt_init()
87 void kfd_interrupt_exit(struct kfd_dev *kfd)  in kfd_interrupt_exit()  argument
96 	spin_lock_irqsave(&kfd->interrupt_lock, flags);  in kfd_interrupt_exit()
97 	kfd->interrupts_active = false;  in kfd_interrupt_exit()
98 	spin_unlock_irqrestore(&kfd->interrupt_lock, flags);  in kfd_interrupt_exit()
105 	flush_workqueue(kfd->ih_wq);  in kfd_interrupt_exit()
107 	kfifo_free(&kfd->ih_fifo);  in kfd_interrupt_exit()
113 bool enqueue_ih_ring_entry(struct kfd_dev *kfd,	const void *ih_ring_entry)  in enqueue_ih_ring_entry()  argument
117 	count = kfifo_in(&kfd->ih_fifo, ih_ring_entry,  in enqueue_ih_ring_entry()
118 				kfd->device_info.ih_ring_entry_size);  in enqueue_ih_ring_entry()
119 	if (count != kfd->device_info.ih_ring_entry_size) {  in enqueue_ih_ring_entry()
120 		dev_dbg_ratelimited(kfd->adev->dev,  in enqueue_ih_ring_entry()
132 static bool dequeue_ih_ring_entry(struct kfd_dev *kfd, void *ih_ring_entry)  in dequeue_ih_ring_entry()  argument
136 	count = kfifo_out(&kfd->ih_fifo, ih_ring_entry,  in dequeue_ih_ring_entry()
137 				kfd->device_info.ih_ring_entry_size);  in dequeue_ih_ring_entry()
139 	WARN_ON(count && count != kfd->device_info.ih_ring_entry_size);  in dequeue_ih_ring_entry()
141 	return count == kfd->device_info.ih_ring_entry_size;  in dequeue_ih_ring_entry()