21 int kvm_irq_map_gsi(struct kvm *kvm,  in kvm_irq_map_gsi()  argument
28 	irq_rt = srcu_dereference_check(kvm->irq_routing, &kvm->irq_srcu,  in kvm_irq_map_gsi()
29 					lockdep_is_held(&kvm->irq_lock));  in kvm_irq_map_gsi()
40 int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)  in kvm_irq_map_chip_pin()  argument
44 	irq_rt = srcu_dereference(kvm->irq_routing, &kvm->irq_srcu);  in kvm_irq_map_chip_pin()
48 int kvm_send_userspace_msi(struct kvm *kvm, struct kvm_msi *msi)  in kvm_send_userspace_msi()  argument
52 	if (!kvm_arch_irqchip_in_kernel(kvm) || (msi->flags & ~KVM_MSI_VALID_DEVID))  in kvm_send_userspace_msi()
61 	return kvm_set_msi(&route, kvm, KVM_USERSPACE_IRQ_SOURCE_ID, 1, false);  in kvm_send_userspace_msi()
70 int kvm_set_irq(struct kvm *kvm, int irq_source_id, u32 irq, int level,  in kvm_set_irq()  argument
82 	idx = srcu_read_lock(&kvm->irq_srcu);  in kvm_set_irq()
83 	i = kvm_irq_map_gsi(kvm, irq_set, irq);  in kvm_set_irq()
84 	srcu_read_unlock(&kvm->irq_srcu, idx);  in kvm_set_irq()
88 		r = irq_set[i].set(&irq_set[i], kvm, irq_source_id, level,  in kvm_set_irq()
119 void kvm_free_irq_routing(struct kvm *kvm)  in kvm_free_irq_routing()  argument
123 	struct kvm_irq_routing_table *rt = rcu_access_pointer(kvm->irq_routing);  in kvm_free_irq_routing()
127 static int setup_routing_entry(struct kvm *kvm,  in setup_routing_entry()  argument
148 	r = kvm_set_routing_entry(kvm, e, ue);  in setup_routing_entry()
159 void __attribute__((weak)) kvm_arch_irq_routing_update(struct kvm *kvm)  in kvm_arch_irq_routing_update()  argument
163 bool __weak kvm_arch_can_set_irq_routing(struct kvm *kvm)  in kvm_arch_can_set_irq_routing()  argument
168 int kvm_set_irq_routing(struct kvm *kvm,  in kvm_set_irq_routing()  argument
212 		r = setup_routing_entry(kvm, new, e, ue);  in kvm_set_irq_routing()
218 	mutex_lock(&kvm->irq_lock);  in kvm_set_irq_routing()
219 	old = rcu_dereference_protected(kvm->irq_routing, 1);  in kvm_set_irq_routing()
220 	rcu_assign_pointer(kvm->irq_routing, new);  in kvm_set_irq_routing()
221 	kvm_irq_routing_update(kvm);  in kvm_set_irq_routing()
222 	kvm_arch_irq_routing_update(kvm);  in kvm_set_irq_routing()
223 	mutex_unlock(&kvm->irq_lock);  in kvm_set_irq_routing()
225 	kvm_arch_post_irq_routing_update(kvm);  in kvm_set_irq_routing()
227 	synchronize_srcu_expedited(&kvm->irq_srcu);  in kvm_set_irq_routing()