52 int kfd_interrupt_init(struct kfd_dev *kfd)  in kfd_interrupt_init()  argument
56 	r = kfifo_alloc(&kfd->ih_fifo,  in kfd_interrupt_init()
57 		KFD_IH_NUM_ENTRIES * kfd->device_info->ih_ring_entry_size,  in kfd_interrupt_init()
64 	kfd->ih_wq = alloc_workqueue("KFD IH", WQ_HIGHPRI, 1);  in kfd_interrupt_init()
65 	spin_lock_init(&kfd->interrupt_lock);  in kfd_interrupt_init()
67 	INIT_WORK(&kfd->interrupt_work, interrupt_wq);  in kfd_interrupt_init()
69 	kfd->interrupts_active = true;  in kfd_interrupt_init()
81 void kfd_interrupt_exit(struct kfd_dev *kfd)  in kfd_interrupt_exit()  argument
90 	spin_lock_irqsave(&kfd->interrupt_lock, flags);  in kfd_interrupt_exit()
91 	kfd->interrupts_active = false;  in kfd_interrupt_exit()
92 	spin_unlock_irqrestore(&kfd->interrupt_lock, flags);  in kfd_interrupt_exit()
99 	flush_workqueue(kfd->ih_wq);  in kfd_interrupt_exit()
101 	kfifo_free(&kfd->ih_fifo);  in kfd_interrupt_exit()
107 bool enqueue_ih_ring_entry(struct kfd_dev *kfd,	const void *ih_ring_entry)  in enqueue_ih_ring_entry()  argument
111 	count = kfifo_in(&kfd->ih_fifo, ih_ring_entry,  in enqueue_ih_ring_entry()
112 				kfd->device_info->ih_ring_entry_size);  in enqueue_ih_ring_entry()
113 	if (count != kfd->device_info->ih_ring_entry_size) {  in enqueue_ih_ring_entry()
126 static bool dequeue_ih_ring_entry(struct kfd_dev *kfd, void *ih_ring_entry)  in dequeue_ih_ring_entry()  argument
130 	count = kfifo_out(&kfd->ih_fifo, ih_ring_entry,  in dequeue_ih_ring_entry()
131 				kfd->device_info->ih_ring_entry_size);  in dequeue_ih_ring_entry()
133 	WARN_ON(count && count != kfd->device_info->ih_ring_entry_size);  in dequeue_ih_ring_entry()
135 	return count == kfd->device_info->ih_ring_entry_size;  in dequeue_ih_ring_entry()