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Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r--arch/x86/kvm/lapic.c40
1 files changed, 23 insertions, 17 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 4d30b865be30..36591faed13b 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -41,6 +41,7 @@
#include "trace.h"
#include "x86.h"
#include "cpuid.h"
+#include "hyperv.h"
#ifndef CONFIG_X86_64
#define mod_64(x, y) ((x) - (y) * div64_u64(x, y))
@@ -128,11 +129,6 @@ static inline int apic_enabled(struct kvm_lapic *apic)
(LVT_MASK | APIC_MODE_MASK | APIC_INPUT_POLARITY | \
APIC_LVT_REMOTE_IRR | APIC_LVT_LEVEL_TRIGGER)
-static inline int kvm_apic_id(struct kvm_lapic *apic)
-{
- return (kvm_apic_get_reg(apic, APIC_ID) >> 24) & 0xff;
-}
-
/* The logical map is definitely wrong if we have multiple
* modes at the same time. (Physical map is always right.)
*/
@@ -379,7 +375,8 @@ static inline int apic_find_highest_irr(struct kvm_lapic *apic)
if (!apic->irr_pending)
return -1;
- kvm_x86_ops->sync_pir_to_irr(apic->vcpu);
+ if (apic->vcpu->arch.apicv_active)
+ kvm_x86_ops->sync_pir_to_irr(apic->vcpu);
result = apic_search_irr(apic);
ASSERT(result == -1 || result >= 16);
@@ -392,7 +389,7 @@ static inline void apic_clear_irr(int vec, struct kvm_lapic *apic)
vcpu = apic->vcpu;
- if (unlikely(kvm_vcpu_apic_vid_enabled(vcpu))) {
+ if (unlikely(vcpu->arch.apicv_active)) {
/* try to update RVI */
apic_clear_vector(vec, apic->regs + APIC_IRR);
kvm_make_request(KVM_REQ_EVENT, vcpu);
@@ -418,7 +415,7 @@ static inline void apic_set_isr(int vec, struct kvm_lapic *apic)
* because the processor can modify ISR under the hood. Instead
* just set SVI.
*/
- if (unlikely(kvm_x86_ops->hwapic_isr_update))
+ if (unlikely(vcpu->arch.apicv_active))
kvm_x86_ops->hwapic_isr_update(vcpu->kvm, vec);
else {
++apic->isr_count;
@@ -466,7 +463,7 @@ static inline void apic_clear_isr(int vec, struct kvm_lapic *apic)
* on the other hand isr_count and highest_isr_cache are unused
* and must be left alone.
*/
- if (unlikely(kvm_x86_ops->hwapic_isr_update))
+ if (unlikely(vcpu->arch.apicv_active))
kvm_x86_ops->hwapic_isr_update(vcpu->kvm,
apic_find_highest_isr(apic));
else {
@@ -852,7 +849,7 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
apic_clear_vector(vector, apic->regs + APIC_TMR);
}
- if (kvm_x86_ops->deliver_posted_interrupt)
+ if (vcpu->arch.apicv_active)
kvm_x86_ops->deliver_posted_interrupt(vcpu, vector);
else {
apic_set_irr(vector, apic);
@@ -932,7 +929,7 @@ int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2)
static bool kvm_ioapic_handles_vector(struct kvm_lapic *apic, int vector)
{
- return test_bit(vector, (ulong *)apic->vcpu->arch.eoi_exit_bitmap);
+ return test_bit(vector, apic->vcpu->arch.ioapic_handled_vectors);
}
static void kvm_ioapic_send_eoi(struct kvm_lapic *apic, int vector)
@@ -974,6 +971,9 @@ static int apic_set_eoi(struct kvm_lapic *apic)
apic_clear_isr(vector, apic);
apic_update_ppr(apic);
+ if (test_bit(vector, vcpu_to_synic(apic->vcpu)->vec_bitmap))
+ kvm_hv_synic_send_eoi(apic->vcpu, vector);
+
kvm_ioapic_send_eoi(apic, vector);
kvm_make_request(KVM_REQ_EVENT, apic->vcpu);
return vector;
@@ -1225,7 +1225,7 @@ static bool lapic_timer_int_injected(struct kvm_vcpu *vcpu)
int vec = reg & APIC_VECTOR_MASK;
void *bitmap = apic->regs + APIC_ISR;
- if (kvm_x86_ops->deliver_posted_interrupt)
+ if (vcpu->arch.apicv_active)
bitmap = apic->regs + APIC_IRR;
if (apic_test_vector(vec, bitmap))
@@ -1693,8 +1693,8 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event)
apic_set_reg(apic, APIC_ISR + 0x10 * i, 0);
apic_set_reg(apic, APIC_TMR + 0x10 * i, 0);
}
- apic->irr_pending = kvm_vcpu_apic_vid_enabled(vcpu);
- apic->isr_count = kvm_x86_ops->hwapic_isr_update ? 1 : 0;
+ apic->irr_pending = vcpu->arch.apicv_active;
+ apic->isr_count = vcpu->arch.apicv_active ? 1 : 0;
apic->highest_isr_cache = -1;
update_divide_count(apic);
atomic_set(&apic->lapic_timer.pending, 0);
@@ -1883,6 +1883,12 @@ int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu)
apic_set_isr(vector, apic);
apic_update_ppr(apic);
apic_clear_irr(vector, apic);
+
+ if (test_bit(vector, vcpu_to_synic(vcpu)->auto_eoi_bitmap)) {
+ apic_clear_isr(vector, apic);
+ apic_update_ppr(apic);
+ }
+
return vector;
}
@@ -1906,15 +1912,15 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu,
update_divide_count(apic);
start_apic_timer(apic);
apic->irr_pending = true;
- apic->isr_count = kvm_x86_ops->hwapic_isr_update ?
+ apic->isr_count = vcpu->arch.apicv_active ?
1 : count_vectors(apic->regs + APIC_ISR);
apic->highest_isr_cache = -1;
- if (kvm_x86_ops->hwapic_irr_update)
+ if (vcpu->arch.apicv_active) {
kvm_x86_ops->hwapic_irr_update(vcpu,
apic_find_highest_irr(apic));
- if (unlikely(kvm_x86_ops->hwapic_isr_update))
kvm_x86_ops->hwapic_isr_update(vcpu->kvm,
apic_find_highest_isr(apic));
+ }
kvm_make_request(KVM_REQ_EVENT, vcpu);
if (ioapic_in_kernel(vcpu->kvm))
kvm_rtc_eoi_tracking_restore_one(vcpu);