KVM: in-kernel IOAPIC save and restore support

[pandora-kernel.git] / include / linux / kvm.h

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 6560f11..42d1515 100644 (file)
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -45,7 +45,7 @@ struct kvm_irq_level {
        __u32 level;
 };
 
-/* for KVM_GET_IRQCHIP / KVM_SET_IRQCHIP */
+/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
 struct kvm_pic_state {
        __u8 last_irr;  /* edge detection */
        __u8 irr;               /* interrupt request register */
@@ -65,9 +65,35 @@ struct kvm_pic_state {
        __u8 elcr_mask;
 };
 
+#define KVM_IOAPIC_NUM_PINS  24
+struct kvm_ioapic_state {
+       __u64 base_address;
+       __u32 ioregsel;
+       __u32 id;
+       __u32 irr;
+       __u32 pad;
+       union {
+               __u64 bits;
+               struct {
+                       __u8 vector;
+                       __u8 delivery_mode:3;
+                       __u8 dest_mode:1;
+                       __u8 delivery_status:1;
+                       __u8 polarity:1;
+                       __u8 remote_irr:1;
+                       __u8 trig_mode:1;
+                       __u8 mask:1;
+                       __u8 reserve:7;
+                       __u8 reserved[4];
+                       __u8 dest_id;
+               } fields;
+       } redirtbl[KVM_IOAPIC_NUM_PINS];
+};
+
 enum kvm_irqchip_id {
        KVM_IRQCHIP_PIC_MASTER   = 0,
        KVM_IRQCHIP_PIC_SLAVE    = 1,
+       KVM_IRQCHIP_IOAPIC       = 2,
 };
 
 struct kvm_irqchip {
@@ -76,6 +102,7 @@ struct kvm_irqchip {
         union {
                char dummy[512];  /* reserving space */
                struct kvm_pic_state pic;
+               struct kvm_ioapic_state ioapic;
        } chip;
 };