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Commit 6da7e3f6 authored by Gleb Natapov's avatar Gleb Natapov Committed by Avi Kivity
Browse files

KVM: APIC: kvm_apic_set_irq deliver all kinds of interrupts 



Get rid of ioapic_inj_irq() and ioapic_inj_nmi() functions.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent f5a1e9f8

arch/ia64/include/asm/kvm_host.h

+0 −1
Original line number Diff line number Diff line
@@ -585,7 +585,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu); 
int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);

void kvm_sal_emul(struct kvm_vcpu *vcpu);



static inline void kvm_inject_nmi(struct kvm_vcpu *vcpu) {}

#endif /* __ASSEMBLY__*/



#endif

arch/ia64/kvm/kvm-ia64.c

+4 −4
Original line number Diff line number Diff line
@@ -292,13 +292,13 @@ static void vcpu_deliver_ipi(struct kvm_vcpu *vcpu, uint64_t dm, 
{

	switch (dm) {

	case SAPIC_FIXED:

		kvm_apic_set_irq(vcpu, vector, 0);

		kvm_apic_set_irq(vcpu, vector, dm, 0);

		break;

	case SAPIC_NMI:

		kvm_apic_set_irq(vcpu, 2, 0);

		kvm_apic_set_irq(vcpu, 2, dm, 0);

		break;

	case SAPIC_EXTINT:

		kvm_apic_set_irq(vcpu, 0, 0);

		kvm_apic_set_irq(vcpu, 0, dm, 0);

		break;

	case SAPIC_INIT:

	case SAPIC_PMI:
@@ -1813,7 +1813,7 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu) 
	put_cpu();

}



int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig)

int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig)

{



	struct vpd *vpd = to_host(vcpu->kvm, vcpu->arch.vpd);

arch/ia64/kvm/lapic.h

+1 −1
Original line number Diff line number Diff line
@@ -20,6 +20,6 @@ void kvm_free_lapic(struct kvm_vcpu *vcpu); 


int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);

int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);

int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);

int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig);



#endif

arch/x86/kvm/lapic.c

+29 −18
Original line number Diff line number Diff line
@@ -196,20 +196,30 @@ int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu) 
}

EXPORT_SYMBOL_GPL(kvm_lapic_find_highest_irr);



int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig)

static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,

			     int vector, int level, int trig_mode);



int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig)

{

	struct kvm_lapic *apic = vcpu->arch.apic;

	int lapic_dmode;



	if (!apic_test_and_set_irr(vec, apic)) {

		/* a new pending irq is set in IRR */

		if (trig)

			apic_set_vector(vec, apic->regs + APIC_TMR);

		else

			apic_clear_vector(vec, apic->regs + APIC_TMR);

		kvm_vcpu_kick(apic->vcpu);

		return 1;

	}

	switch (dmode) {

	case IOAPIC_LOWEST_PRIORITY:

		lapic_dmode = APIC_DM_LOWEST;

		break;

	case IOAPIC_FIXED:

		lapic_dmode = APIC_DM_FIXED;

		break;

	case IOAPIC_NMI:

		lapic_dmode = APIC_DM_NMI;

		break;

	default:

		printk(KERN_DEBUG"Ignoring delivery mode %d\n", dmode);

		return 0;

		break;

	}

	return __apic_accept_irq(apic, lapic_dmode, vec, 1, trig);

}



static inline int apic_find_highest_isr(struct kvm_lapic *apic)
@@ -327,7 +337,7 @@ static int apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source, 
static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,

			     int vector, int level, int trig_mode)

{

	int orig_irr, result = 0;

	int result = 0;

	struct kvm_vcpu *vcpu = apic->vcpu;



	switch (delivery_mode) {
@@ -337,10 +347,11 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, 
		if (unlikely(!apic_enabled(apic)))

			break;



		orig_irr = apic_test_and_set_irr(vector, apic);

		if (orig_irr && trig_mode) {

			apic_debug("level trig mode repeatedly for vector %d",

				   vector);

		result = !apic_test_and_set_irr(vector, apic);

		if (!result) {

			if (trig_mode)

				apic_debug("level trig mode repeatedly for "

						"vector %d", vector);

			break;

		}
@@ -349,10 +360,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, 
			apic_set_vector(vector, apic->regs + APIC_TMR);

		} else

			apic_clear_vector(vector, apic->regs + APIC_TMR);



		kvm_vcpu_kick(vcpu);



		result = (orig_irr == 0);

		break;



	case APIC_DM_REMRD:
@@ -364,12 +372,14 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, 
		break;



	case APIC_DM_NMI:

		result = 1;

		kvm_inject_nmi(vcpu);

		kvm_vcpu_kick(vcpu);

		break;



	case APIC_DM_INIT:

		if (level) {

			result = 1;

			if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE)

				printk(KERN_DEBUG

				       "INIT on a runnable vcpu %d\n",
@@ -386,6 +396,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode, 
		apic_debug("SIPI to vcpu %d vector 0x%02x\n",

			   vcpu->vcpu_id, vector);

		if (vcpu->arch.mp_state == KVM_MP_STATE_INIT_RECEIVED) {

			result = 1;

			vcpu->arch.sipi_vector = vector;

			vcpu->arch.mp_state = KVM_MP_STATE_SIPI_RECEIVED;

			kvm_vcpu_kick(vcpu);

arch/x86/kvm/lapic.h

+1 −1
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ u64 kvm_lapic_get_base(struct kvm_vcpu *vcpu); 


int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);

int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);

int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig);

int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 dmode, u8 trig);



u64 kvm_get_apic_base(struct kvm_vcpu *vcpu);

void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data);