KVM: Clean up assigned_device_update_irq

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

diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 4458908..c8f939c 100644 (file)
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -39,6 +39,7 @@
 
 #include "ioapic.h"
 #include "lapic.h"
+#include "irq.h"
 
 #if 0
 #define ioapic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg)
@@ -146,6 +147,12 @@ 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);
+       kvm_vcpu_kick(vcpu);
+}
+
 static u32 ioapic_get_delivery_bitmask(struct kvm_ioapic *ioapic, u8 dest,
                                       u8 dest_mode)
 {
@@ -239,8 +246,19 @@ 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);
@@ -269,29 +287,35 @@ void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
        }
 }
 
-static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi)
+static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int gsi,
+                                   int trigger_mode)
 {
        union ioapic_redir_entry *ent;
 
        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_service(ioapic, gsi);
+       kvm_notify_acked_irq(ioapic->kvm, gsi);
+
+       if (trigger_mode == IOAPIC_LEVEL_TRIG) {
+               ASSERT(ent->fields.trig_mode == IOAPIC_LEVEL_TRIG);
+               ent->fields.remote_irr = 0;
+               if (!ent->fields.mask && (ioapic->irr & (1 << gsi)))
+                       ioapic_service(ioapic, gsi);
+       }
 }
 
-void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
+void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode)
 {
        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);
+                       __kvm_ioapic_update_eoi(ioapic, i, trigger_mode);
 }
 
-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;
 
@@ -363,7 +387,7 @@ static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
                break;
 #ifdef CONFIG_IA64
        case IOAPIC_REG_EOI:
-               kvm_ioapic_update_eoi(ioapic->kvm, data);
+               kvm_ioapic_update_eoi(ioapic->kvm, data, IOAPIC_LEVEL_TRIG);
                break;
 #endif