KVM: APIC: get rid of deliver_bitmask
[linux-2.6.git] / virt / kvm / ioapic.c
index 43969bb..1eddae9 100644 (file)
@@ -142,58 +142,33 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
        }
 }
 
-int ioapic_deliver_entry(struct kvm *kvm, union kvm_ioapic_redirect_entry *e)
-{
-       DECLARE_BITMAP(deliver_bitmask, KVM_MAX_VCPUS);
-       int i, r = -1;
-
-       kvm_get_intr_delivery_bitmask(kvm, NULL, e->fields.dest_id,
-                       e->fields.dest_mode,
-                       e->fields.delivery_mode == IOAPIC_LOWEST_PRIORITY,
-                       0, deliver_bitmask);
-
-       if (find_first_bit(deliver_bitmask, KVM_MAX_VCPUS) >= KVM_MAX_VCPUS) {
-               ioapic_debug("no target on destination\n");
-               return r;
-       }
-
-       while ((i = find_first_bit(deliver_bitmask, KVM_MAX_VCPUS))
-                       < KVM_MAX_VCPUS) {
-               struct kvm_vcpu *vcpu = kvm->vcpus[i];
-               __clear_bit(i, deliver_bitmask);
-               if (vcpu) {
-                       if (r < 0)
-                               r = 0;
-                       r += kvm_apic_set_irq(vcpu, e->fields.vector,
-                                       e->fields.delivery_mode,
-                                       e->fields.trig_mode);
-               } else
-                       ioapic_debug("null destination vcpu: "
-                                    "mask=%x vector=%x delivery_mode=%x\n",
-                                    e->fields.deliver_bitmask,
-                                    e->fields.vector, e->fields.delivery_mode);
-       }
-       return r;
-}
-
 static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
 {
-       union kvm_ioapic_redirect_entry entry = ioapic->redirtbl[irq];
+       union kvm_ioapic_redirect_entry *entry = &ioapic->redirtbl[irq];
+       struct kvm_lapic_irq irqe;
 
        ioapic_debug("dest=%x dest_mode=%x delivery_mode=%x "
                     "vector=%x trig_mode=%x\n",
-                    entry.fields.dest, entry.fields.dest_mode,
-                    entry.fields.delivery_mode, entry.fields.vector,
-                    entry.fields.trig_mode);
+                    entry->fields.dest, entry->fields.dest_mode,
+                    entry->fields.delivery_mode, entry->fields.vector,
+                    entry->fields.trig_mode);
+
+       irqe.dest_id = entry->fields.dest_id;
+       irqe.vector = entry->fields.vector;
+       irqe.dest_mode = entry->fields.dest_mode;
+       irqe.trig_mode = entry->fields.trig_mode;
+       irqe.delivery_mode = entry->fields.delivery_mode << 8;
+       irqe.level = 1;
+       irqe.shorthand = 0;
 
 #ifdef CONFIG_X86
        /* Always delivery PIT interrupt to vcpu 0 */
        if (irq == 0) {
-               entry.fields.dest_mode = 0; /* Physical mode. */
-               entry.fields.dest_id = ioapic->kvm->vcpus[0]->vcpu_id;
+               irqe.dest_mode = 0; /* Physical mode. */
+               irqe.dest_id = ioapic->kvm->vcpus[0]->vcpu_id;
        }
 #endif
-       return ioapic_deliver_entry(ioapic->kvm, &entry);
+       return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe);
 }
 
 int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)