return r;
}
-void kvm_set_msi_irq(struct kvm_kernel_irq_routing_entry *e,
+void kvm_set_msi_irq(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e,
struct kvm_lapic_irq *irq)
{
- trace_kvm_msi_set_irq(e->msi.address_lo, e->msi.data);
+ trace_kvm_msi_set_irq(e->msi.address_lo | (kvm->arch.x2apic_format ?
+ (u64)e->msi.address_hi << 32 : 0),
+ e->msi.data);
irq->dest_id = (e->msi.address_lo &
MSI_ADDR_DEST_ID_MASK) >> MSI_ADDR_DEST_ID_SHIFT;
+ if (kvm->arch.x2apic_format)
+ irq->dest_id |= MSI_ADDR_EXT_DEST_ID(e->msi.address_hi);
irq->vector = (e->msi.data &
MSI_DATA_VECTOR_MASK) >> MSI_DATA_VECTOR_SHIFT;
irq->dest_mode = (1 << MSI_ADDR_DEST_MODE_SHIFT) & e->msi.address_lo;
}
EXPORT_SYMBOL_GPL(kvm_set_msi_irq);
+static inline bool kvm_msi_route_invalid(struct kvm *kvm,
+ struct kvm_kernel_irq_routing_entry *e)
+{
+ return kvm->arch.x2apic_format && (e->msi.address_hi & 0xff);
+}
+
int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
struct kvm *kvm, int irq_source_id, int level, bool line_status)
{
struct kvm_lapic_irq irq;
+ if (kvm_msi_route_invalid(kvm, e))
+ return -EINVAL;
+
if (!level)
return -1;
- kvm_set_msi_irq(e, &irq);
+ kvm_set_msi_irq(kvm, e, &irq);
return kvm_irq_delivery_to_apic(kvm, NULL, &irq, NULL);
}
if (unlikely(e->type != KVM_IRQ_ROUTING_MSI))
return -EWOULDBLOCK;
- kvm_set_msi_irq(e, &irq);
+ if (kvm_msi_route_invalid(kvm, e))
+ return -EINVAL;
+
+ kvm_set_msi_irq(kvm, e, &irq);
if (kvm_irq_delivery_to_apic_fast(kvm, NULL, &irq, &r, NULL))
return r;
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,
+int kvm_set_routing_entry(struct kvm *kvm,
+ struct kvm_kernel_irq_routing_entry *e,
const struct kvm_irq_routing_entry *ue)
{
int r = -EINVAL;
e->msi.address_lo = ue->u.msi.address_lo;
e->msi.address_hi = ue->u.msi.address_hi;
e->msi.data = ue->u.msi.data;
+
+ if (kvm_msi_route_invalid(kvm, e))
+ goto out;
break;
case KVM_IRQ_ROUTING_HV_SINT:
e->set = kvm_hv_set_sint;
kvm->arch.nr_reserved_ioapic_pins);
for (i = 0; i < nr_ioapic_pins; ++i) {
hlist_for_each_entry(entry, &table->map[i], link) {
- u32 dest_id, dest_mode;
- bool level;
+ struct kvm_lapic_irq irq;
if (entry->type != KVM_IRQ_ROUTING_MSI)
continue;
- dest_id = (entry->msi.address_lo >> 12) & 0xff;
- dest_mode = (entry->msi.address_lo >> 2) & 0x1;
- level = entry->msi.data & MSI_DATA_TRIGGER_LEVEL;
- if (level && kvm_apic_match_dest(vcpu, NULL, 0,
- dest_id, dest_mode)) {
- u32 vector = entry->msi.data & 0xff;
-
- __set_bit(vector,
- ioapic_handled_vectors);
- }
+
+ kvm_set_msi_irq(vcpu->kvm, entry, &irq);
+
+ if (irq.level && kvm_apic_match_dest(vcpu, NULL, 0,
+ irq.dest_id, irq.dest_mode))
+ __set_bit(irq.vector, ioapic_handled_vectors);
}
}
srcu_read_unlock(&kvm->irq_srcu, idx);