diff options
Diffstat (limited to 'arch/x86/kvm/irq_comm.c')
| -rw-r--r-- | arch/x86/kvm/irq_comm.c | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index 84b96d319..8fc89efb5 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -33,6 +33,8 @@ #include "lapic.h" +#include "hyperv.h" + static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int irq_source_id, int level, bool line_status) @@ -219,6 +221,16 @@ void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin, srcu_read_unlock(&kvm->irq_srcu, idx); } +static int kvm_hv_set_sint(struct kvm_kernel_irq_routing_entry *e, + struct kvm *kvm, int irq_source_id, int level, + bool line_status) +{ + if (!level) + return -1; + + return kvm_hv_synic_set_irq(kvm, e->hv_sint.vcpu, e->hv_sint.sint); +} + int kvm_set_routing_entry(struct kvm_kernel_irq_routing_entry *e, const struct kvm_irq_routing_entry *ue) { @@ -257,6 +269,11 @@ int kvm_set_routing_entry(struct kvm_kernel_irq_routing_entry *e, e->msi.address_hi = ue->u.msi.address_hi; e->msi.data = ue->u.msi.data; break; + case KVM_IRQ_ROUTING_HV_SINT: + e->set = kvm_hv_set_sint; + e->hv_sint.vcpu = ue->u.hv_sint.vcpu; + e->hv_sint.sint = ue->u.hv_sint.sint; + break; default: goto out; } @@ -332,14 +349,15 @@ int kvm_setup_empty_irq_routing(struct kvm *kvm) return kvm_set_irq_routing(kvm, empty_routing, 0, 0); } -void kvm_arch_irq_routing_update(struct kvm *kvm) +void kvm_arch_post_irq_routing_update(struct kvm *kvm) { if (ioapic_in_kernel(kvm) || !irqchip_in_kernel(kvm)) return; kvm_make_scan_ioapic_request(kvm); } -void kvm_scan_ioapic_routes(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) +void kvm_scan_ioapic_routes(struct kvm_vcpu *vcpu, + ulong *ioapic_handled_vectors) { struct kvm *kvm = vcpu->kvm; struct kvm_kernel_irq_routing_entry *entry; @@ -369,9 +387,26 @@ void kvm_scan_ioapic_routes(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) u32 vector = entry->msi.data & 0xff; __set_bit(vector, - (unsigned long *) eoi_exit_bitmap); + ioapic_handled_vectors); } } } srcu_read_unlock(&kvm->irq_srcu, idx); } + +int kvm_arch_set_irq(struct kvm_kernel_irq_routing_entry *irq, struct kvm *kvm, + int irq_source_id, int level, bool line_status) +{ + switch (irq->type) { + case KVM_IRQ_ROUTING_HV_SINT: + return kvm_hv_set_sint(irq, kvm, irq_source_id, level, + line_status); + default: + return -EWOULDBLOCK; + } +} + +void kvm_arch_irq_routing_update(struct kvm *kvm) +{ + kvm_hv_irq_routing_update(kvm); +} |