41 static void acrn_irqfd_inject(struct hsm_irqfd *irqfd)  in acrn_irqfd_inject()  argument
43 	struct acrn_vm *vm = irqfd->vm;  in acrn_irqfd_inject()
45 	acrn_msi_inject(vm, irqfd->msi.msi_addr,  in acrn_irqfd_inject()
46 			irqfd->msi.msi_data);  in acrn_irqfd_inject()
49 static void hsm_irqfd_shutdown(struct hsm_irqfd *irqfd)  in hsm_irqfd_shutdown()  argument
53 	lockdep_assert_held(&irqfd->vm->irqfds_lock);  in hsm_irqfd_shutdown()
56 	list_del_init(&irqfd->list);  in hsm_irqfd_shutdown()
57 	eventfd_ctx_remove_wait_queue(irqfd->eventfd, &irqfd->wait, &cnt);  in hsm_irqfd_shutdown()
58 	eventfd_ctx_put(irqfd->eventfd);  in hsm_irqfd_shutdown()
59 	kfree(irqfd);  in hsm_irqfd_shutdown()
64 	struct hsm_irqfd *irqfd;  in hsm_irqfd_shutdown_work()  local
67 	irqfd = container_of(work, struct hsm_irqfd, shutdown);  in hsm_irqfd_shutdown_work()
68 	vm = irqfd->vm;  in hsm_irqfd_shutdown_work()
70 	if (!list_empty(&irqfd->list))  in hsm_irqfd_shutdown_work()
71 		hsm_irqfd_shutdown(irqfd);  in hsm_irqfd_shutdown_work()
80 	struct hsm_irqfd *irqfd;  in hsm_irqfd_wakeup()  local
83 	irqfd = container_of(wait, struct hsm_irqfd, wait);  in hsm_irqfd_wakeup()
84 	vm = irqfd->vm;  in hsm_irqfd_wakeup()
87 		acrn_irqfd_inject(irqfd);  in hsm_irqfd_wakeup()
91 		queue_work(vm->irqfd_wq, &irqfd->shutdown);  in hsm_irqfd_wakeup()
99 	struct hsm_irqfd *irqfd;  in hsm_irqfd_poll_func()  local
101 	irqfd = container_of(pt, struct hsm_irqfd, pt);  in hsm_irqfd_poll_func()
102 	add_wait_queue(wqh, &irqfd->wait);  in hsm_irqfd_poll_func()
113 	struct hsm_irqfd *irqfd, *tmp;  in acrn_irqfd_assign()  local
118 	irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL);  in acrn_irqfd_assign()
119 	if (!irqfd)  in acrn_irqfd_assign()
122 	irqfd->vm = vm;  in acrn_irqfd_assign()
123 	memcpy(&irqfd->msi, &args->msi, sizeof(args->msi));  in acrn_irqfd_assign()
124 	INIT_LIST_HEAD(&irqfd->list);  in acrn_irqfd_assign()
125 	INIT_WORK(&irqfd->shutdown, hsm_irqfd_shutdown_work);  in acrn_irqfd_assign()
139 	irqfd->eventfd = eventfd;  in acrn_irqfd_assign()
145 	init_waitqueue_func_entry(&irqfd->wait, hsm_irqfd_wakeup);  in acrn_irqfd_assign()
146 	init_poll_funcptr(&irqfd->pt, hsm_irqfd_poll_func);  in acrn_irqfd_assign()
150 		if (irqfd->eventfd != tmp->eventfd)  in acrn_irqfd_assign()
156 	list_add_tail(&irqfd->list, &vm->irqfds);  in acrn_irqfd_assign()
160 	events = vfs_poll(f.file, &irqfd->pt);  in acrn_irqfd_assign()
163 		acrn_irqfd_inject(irqfd);  in acrn_irqfd_assign()
173 	kfree(irqfd);  in acrn_irqfd_assign()
180 	struct hsm_irqfd *irqfd, *tmp;  in acrn_irqfd_deassign()  local
188 	list_for_each_entry_safe(irqfd, tmp, &vm->irqfds, list) {  in acrn_irqfd_deassign()
189 		if (irqfd->eventfd == eventfd) {  in acrn_irqfd_deassign()
190 			hsm_irqfd_shutdown(irqfd);  in acrn_irqfd_deassign()
226 	struct hsm_irqfd *irqfd, *next;  in acrn_irqfd_deinit()  local
231 	list_for_each_entry_safe(irqfd, next, &vm->irqfds, list)  in acrn_irqfd_deinit()
232 		hsm_irqfd_shutdown(irqfd);  in acrn_irqfd_deinit()