Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6] / virt / kvm / ioapic.c

diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 98778cb69c6ef923abb85a0dc464118a2d294dda..c0d22870ee9c56137583c026b06dee47c66d58d8 100644 (file)
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -146,6 +146,11 @@ static int ioapic_inj_irq(struct kvm_ioapic *ioapic,
        return kvm_apic_set_irq(vcpu, vector, trig_mode);
 }
 
+static void ioapic_inj_nmi(struct kvm_vcpu *vcpu)
+{
+       kvm_inject_nmi(vcpu);
+}
+
 static u32 ioapic_get_delivery_bitmask(struct kvm_ioapic *ioapic, u8 dest,
                                       u8 dest_mode)
 {
@@ -239,8 +244,19 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
                        }
                }
                break;
-
-               /* TODO: NMI */
+       case IOAPIC_NMI:
+               for (vcpu_id = 0; deliver_bitmask != 0; vcpu_id++) {
+                       if (!(deliver_bitmask & (1 << vcpu_id)))
+                               continue;
+                       deliver_bitmask &= ~(1 << vcpu_id);
+                       vcpu = ioapic->kvm->vcpus[vcpu_id];
+                       if (vcpu)
+                               ioapic_inj_nmi(vcpu);
+                       else
+                               ioapic_debug("NMI to vcpu %d failed\n",
+                                               vcpu->vcpu_id);
+               }
+               break;
        default:
                printk(KERN_WARNING "Unsupported delivery mode %d\n",
                       delivery_mode);
@@ -269,38 +285,30 @@ void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
        }
 }
 
-static int get_eoi_gsi(struct kvm_ioapic *ioapic, int vector)
-{
-       int i;
-
-       for (i = 0; i < IOAPIC_NUM_PINS; i++)
-               if (ioapic->redirtbl[i].fields.vector == vector)
-                       return i;
-       return -1;
-}
-
-void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
+static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi)
 {
-       struct kvm_ioapic *ioapic = kvm->arch.vioapic;
        union ioapic_redir_entry *ent;
-       int gsi;
-
-       gsi = get_eoi_gsi(ioapic, vector);
-       if (gsi == -1) {
-               printk(KERN_WARNING "Can't find redir item for %d EOI\n",
-                      vector);
-               return;
-       }
 
        ent = &ioapic->redirtbl[gsi];
        ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG);
 
        ent->fields.remote_irr = 0;
        if (!ent->fields.mask && (ioapic->irr & (1 << gsi)))
-               ioapic_deliver(ioapic, gsi);
+               ioapic_service(ioapic, gsi);
+}
+
+void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
+{
+       struct kvm_ioapic *ioapic = kvm->arch.vioapic;
+       int i;
+
+       for (i = 0; i < IOAPIC_NUM_PINS; i++)
+               if (ioapic->redirtbl[i].fields.vector == vector)
+                       __kvm_ioapic_update_eoi(ioapic, i);
 }
 
-static int ioapic_in_range(struct kvm_io_device *this, gpa_t addr)
+static int ioapic_in_range(struct kvm_io_device *this, gpa_t addr,
+                          int len, int is_write)
 {
        struct kvm_ioapic *ioapic = (struct kvm_ioapic *)this->private;