66 	struct kvm_vcpu *vcpu = *(struct kvm_vcpu **)dev_id;  in kvm_arch_timer_handler()  local
74 	pr_warn("Unexpected interrupt %d on vcpu %p\n", irq, vcpu);  in kvm_arch_timer_handler()
84 	struct kvm_vcpu *vcpu;  in kvm_timer_inject_irq_work()  local
86 	vcpu = container_of(work, struct kvm_vcpu, arch.timer_cpu.expired);  in kvm_timer_inject_irq_work()
87 	vcpu->arch.timer_cpu.armed = false;  in kvm_timer_inject_irq_work()
89 	WARN_ON(!kvm_timer_should_fire(vcpu));  in kvm_timer_inject_irq_work()
95 	kvm_vcpu_kick(vcpu);  in kvm_timer_inject_irq_work()
98 static u64 kvm_timer_compute_delta(struct kvm_vcpu *vcpu)  in kvm_timer_compute_delta()  argument
102 	cval = vcpu->arch.timer_cpu.cntv_cval;  in kvm_timer_compute_delta()
103 	now = kvm_phys_timer_read() - vcpu->kvm->arch.timer.cntvoff;  in kvm_timer_compute_delta()
121 	struct kvm_vcpu *vcpu;  in kvm_timer_expire()  local
125 	vcpu = container_of(timer, struct kvm_vcpu, arch.timer_cpu);  in kvm_timer_expire()
132 	ns = kvm_timer_compute_delta(vcpu);  in kvm_timer_expire()
142 static bool kvm_timer_irq_can_fire(struct kvm_vcpu *vcpu)  in kvm_timer_irq_can_fire()  argument
144 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_irq_can_fire()
150 bool kvm_timer_should_fire(struct kvm_vcpu *vcpu)  in kvm_timer_should_fire()  argument
152 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_should_fire()
155 	if (!kvm_timer_irq_can_fire(vcpu))  in kvm_timer_should_fire()
159 	now = kvm_phys_timer_read() - vcpu->kvm->arch.timer.cntvoff;  in kvm_timer_should_fire()
164 static void kvm_timer_update_irq(struct kvm_vcpu *vcpu, bool new_level)  in kvm_timer_update_irq()  argument
167 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_update_irq()
169 	BUG_ON(!vgic_initialized(vcpu->kvm));  in kvm_timer_update_irq()
172 	trace_kvm_timer_update_irq(vcpu->vcpu_id, timer->map->virt_irq,  in kvm_timer_update_irq()
174 	ret = kvm_vgic_inject_mapped_irq(vcpu->kvm, vcpu->vcpu_id,  in kvm_timer_update_irq()
184 static int kvm_timer_update_state(struct kvm_vcpu *vcpu)  in kvm_timer_update_state()  argument
186 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_update_state()
194 	if (!vgic_initialized(vcpu->kvm))  in kvm_timer_update_state()
197 	if (kvm_timer_should_fire(vcpu) != timer->irq.level)  in kvm_timer_update_state()
198 		kvm_timer_update_irq(vcpu, !timer->irq.level);  in kvm_timer_update_state()
208 void kvm_timer_schedule(struct kvm_vcpu *vcpu)  in kvm_timer_schedule()  argument
210 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_schedule()
219 	if (kvm_timer_should_fire(vcpu))  in kvm_timer_schedule()
226 	if (!kvm_timer_irq_can_fire(vcpu))  in kvm_timer_schedule()
230 	timer_arm(timer, kvm_timer_compute_delta(vcpu));  in kvm_timer_schedule()
233 void kvm_timer_unschedule(struct kvm_vcpu *vcpu)  in kvm_timer_unschedule()  argument
235 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_unschedule()
246 void kvm_timer_flush_hwstate(struct kvm_vcpu *vcpu)  in kvm_timer_flush_hwstate()  argument
248 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_flush_hwstate()
252 	if (kvm_timer_update_state(vcpu))  in kvm_timer_flush_hwstate()
272 	if (timer->irq.level || kvm_vgic_map_is_active(vcpu, timer->map))  in kvm_timer_flush_hwstate()
290 void kvm_timer_sync_hwstate(struct kvm_vcpu *vcpu)  in kvm_timer_sync_hwstate()  argument
292 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_sync_hwstate()
300 	kvm_timer_update_state(vcpu);  in kvm_timer_sync_hwstate()
303 int kvm_timer_vcpu_reset(struct kvm_vcpu *vcpu,  in kvm_timer_vcpu_reset()  argument
306 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_vcpu_reset()
324 	kvm_timer_update_state(vcpu);  in kvm_timer_vcpu_reset()
330 	map = kvm_vgic_map_phys_irq(vcpu, irq->irq, host_vtimer_irq);  in kvm_timer_vcpu_reset()
338 void kvm_timer_vcpu_init(struct kvm_vcpu *vcpu)  in kvm_timer_vcpu_init()  argument
340 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_vcpu_init()
352 int kvm_arm_timer_set_reg(struct kvm_vcpu *vcpu, u64 regid, u64 value)  in kvm_arm_timer_set_reg()  argument
354 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_arm_timer_set_reg()
361 		vcpu->kvm->arch.timer.cntvoff = kvm_phys_timer_read() - value;  in kvm_arm_timer_set_reg()
370 	kvm_timer_update_state(vcpu);  in kvm_arm_timer_set_reg()
374 u64 kvm_arm_timer_get_reg(struct kvm_vcpu *vcpu, u64 regid)  in kvm_arm_timer_get_reg()  argument
376 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_arm_timer_get_reg()
382 		return kvm_phys_timer_read() - vcpu->kvm->arch.timer.cntvoff;  in kvm_arm_timer_get_reg()
472 void kvm_timer_vcpu_terminate(struct kvm_vcpu *vcpu)  in kvm_timer_vcpu_terminate()  argument
474 	struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;  in kvm_timer_vcpu_terminate()
478 		kvm_vgic_unmap_phys_irq(vcpu, timer->map);  in kvm_timer_vcpu_terminate()