virt/acrn/irqfd.c

23  * @vm:		Associated VM pointer
32 	struct acrn_vm		*vm;
43 	struct acrn_vm *vm = irqfd->vm;
45 	acrn_msi_inject(vm, irqfd->msi.msi_addr,
53 	lockdep_assert_held(&irqfd->vm->irqfds_lock);
65 	struct acrn_vm *vm;
68 	vm = irqfd->vm;
69 	mutex_lock(&vm->irqfds_lock);
72 	mutex_unlock(&vm->irqfds_lock);
81 	struct acrn_vm *vm;
84 	vm = irqfd->vm;
91 		queue_work(vm->irqfd_wq, &irqfd->shutdown);
110 static int acrn_irqfd_assign(struct acrn_vm *vm, struct acrn_irqfd *args)
122 	irqfd->vm = vm;
148 	mutex_lock(&vm->irqfds_lock);
149 	list_for_each_entry(tmp, &vm->irqfds, list) {
153 		mutex_unlock(&vm->irqfds_lock);
156 	list_add_tail(&irqfd->list, &vm->irqfds);
157 	mutex_unlock(&vm->irqfds_lock);
177 static int acrn_irqfd_deassign(struct acrn_vm *vm,
187 	mutex_lock(&vm->irqfds_lock);
188 	list_for_each_entry_safe(irqfd, tmp, &vm->irqfds, list) {
194 	mutex_unlock(&vm->irqfds_lock);
200 int acrn_irqfd_config(struct acrn_vm *vm, struct acrn_irqfd *args)
205 		ret = acrn_irqfd_deassign(vm, args);
207 		ret = acrn_irqfd_assign(vm, args);
212 int acrn_irqfd_init(struct acrn_vm *vm)
214 	INIT_LIST_HEAD(&vm->irqfds);
215 	mutex_init(&vm->irqfds_lock);
216 	vm->irqfd_wq = alloc_workqueue("acrn_irqfd-%u", 0, 0, vm->vmid);
217 	if (!vm->irqfd_wq)
220 	dev_dbg(acrn_dev.this_device, "VM %u irqfd init.\n", vm->vmid);
224 void acrn_irqfd_deinit(struct acrn_vm *vm)
228 	dev_dbg(acrn_dev.this_device, "VM %u irqfd deinit.\n", vm->vmid);
229 	destroy_workqueue(vm->irqfd_wq);
230 	mutex_lock(&vm->irqfds_lock);
231 	list_for_each_entry_safe(irqfd, next, &vm->irqfds, list)
233 	mutex_unlock(&vm->irqfds_lock);