x86/kvm/lapic.c

105 static inline int apic_test_vector(int vec, void *bitmap)
107 	return test_bit(VEC_POS(vec), (bitmap) + REG_POS(vec));
118 static inline int __apic_test_and_set_vector(int vec, void *bitmap)
120 	return __test_and_set_bit(VEC_POS(vec), (bitmap) + REG_POS(vec));
123 static inline int __apic_test_and_clear_vector(int vec, void *bitmap)
125 	return __test_and_clear_bit(VEC_POS(vec), (bitmap) + REG_POS(vec));
630 	int vec;
633 	for (vec = MAX_APIC_VECTOR - APIC_VECTORS_PER_REG;
634 	     vec >= 0; vec -= APIC_VECTORS_PER_REG) {
635 		reg = bitmap + REG_POS(vec);
637 			return __fls(*reg) + vec;
645 	int vec;
649 	for (vec = 0; vec < MAX_APIC_VECTOR; vec += APIC_VECTORS_PER_REG) {
650 		reg = bitmap + REG_POS(vec);
659 	u32 i, vec;
666 	for (i = vec = 0; i <= 7; i++, vec += 32) {
682 				max_updated_irr = __fls(irr_val ^ prev_irr_val) + vec;
685 			*max_irr = __fls(irr_val) + vec;
726 static inline void apic_clear_irr(int vec, struct kvm_lapic *apic)
730 		kvm_lapic_clear_vector(vec, apic->regs + APIC_IRR);
735 		kvm_lapic_clear_vector(vec, apic->regs + APIC_IRR);
741 void kvm_apic_clear_irr(struct kvm_vcpu *vcpu, int vec)
743 	apic_clear_irr(vec, vcpu->arch.apic);
747 static inline void apic_set_isr(int vec, struct kvm_lapic *apic)
749 	if (__apic_test_and_set_vector(vec, apic->regs + APIC_ISR))
758 		static_call_cond(kvm_x86_hwapic_isr_update)(vec);
767 		apic->highest_isr_cache = vec;
790 static inline void apic_clear_isr(int vec, struct kvm_lapic *apic)
792 	if (!__apic_test_and_clear_vector(vec, apic->regs + APIC_ISR))
1786 		int vec = reg & APIC_VECTOR_MASK;
1792 		if (apic_test_vector(vec, bitmap))