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KVM: APIC: kvm_apic_set_irq deliver all kinds of interrupts

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

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gleb Natapov
2009-03-05 16:34:44 +02:00
committed by Avi Kivity
parent f5a1e9f895
commit 6da7e3f643
7 changed files with 42 additions and 59 deletions
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47
arch/x86/kvm/lapic.c
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@@ -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 0;
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);