KVM: Portability: move vpic and vioapic to kvm_arch

This patches moves two fields vpid and vioapic to kvm_arch
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Acked-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

drivers/kvm/ioapic.c

@@ -271,7 +271,7 @@ static int get_eoi_gsi(struct kvm_ioapic *ioapic, int vector)
 
 void kvm_ioapic_update_eoi(struct kvm *kvm, int vector)
 {
-	struct kvm_ioapic *ioapic = kvm->vioapic;
+	struct kvm_ioapic *ioapic = kvm->arch.vioapic;
 	union ioapic_redir_entry *ent;
 	int gsi;
 
@@ -390,7 +390,7 @@ int kvm_ioapic_init(struct kvm *kvm)
 	ioapic = kzalloc(sizeof(struct kvm_ioapic), GFP_KERNEL);
 	if (!ioapic)
 		return -ENOMEM;
-	kvm->vioapic = ioapic;
+	kvm->arch.vioapic = ioapic;
 	kvm_ioapic_reset(ioapic);
 	ioapic->dev.read = ioapic_mmio_read;
 	ioapic->dev.write = ioapic_mmio_write;

drivers/kvm/irq.h

@@ -148,12 +148,12 @@ do {									\
 
 static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
 {
-	return kvm->vpic;
+	return kvm->arch.vpic;
 }
 
 static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
 {
-	return kvm->vioapic;
+	return kvm->arch.vioapic;
 }
 
 static inline int irqchip_in_kernel(struct kvm *kvm)

drivers/kvm/kvm.h

@@ -124,8 +124,6 @@ struct kvm {
 	struct file *filp;
 	struct kvm_io_bus mmio_bus;
 	struct kvm_io_bus pio_bus;
-	struct kvm_pic *vpic;
-	struct kvm_ioapic *vioapic;
 	int round_robin_prev_vcpu;
 	unsigned int tss_addr;
 	struct page *apic_access_page;

drivers/kvm/x86.c

@@ -1386,12 +1386,12 @@ long kvm_arch_vm_ioctl(struct file *filp,
 	}
 	case KVM_CREATE_IRQCHIP:
 		r = -ENOMEM;
-		kvm->vpic = kvm_create_pic(kvm);
-		if (kvm->vpic) {
+		kvm->arch.vpic = kvm_create_pic(kvm);
+		if (kvm->arch.vpic) {
 			r = kvm_ioapic_init(kvm);
 			if (r) {
-				kfree(kvm->vpic);
-				kvm->vpic = NULL;
+				kfree(kvm->arch.vpic);
+				kvm->arch.vpic = NULL;
 				goto out;
 			}
 		} else
@@ -1409,7 +1409,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
 				kvm_pic_set_irq(pic_irqchip(kvm),
 					irq_event.irq,
 					irq_event.level);
-			kvm_ioapic_set_irq(kvm->vioapic,
+			kvm_ioapic_set_irq(kvm->arch.vioapic,
 					irq_event.irq,
 					irq_event.level);
 			mutex_unlock(&kvm->lock);
@@ -3084,8 +3084,8 @@ static void kvm_free_vcpus(struct kvm *kvm)
 
 void kvm_arch_destroy_vm(struct kvm *kvm)
 {
-	kfree(kvm->vpic);
-	kfree(kvm->vioapic);
+	kfree(kvm->arch.vpic);
+	kfree(kvm->arch.vioapic);
 	kvm_free_vcpus(kvm);
 	kvm_free_physmem(kvm);
 	kfree(kvm);

drivers/kvm/x86.h

@@ -275,6 +275,8 @@ struct kvm_arch{
 	 * Hash table of struct kvm_mmu_page.
 	 */
 	struct list_head active_mmu_pages;
+	struct kvm_pic *vpic;
+	struct kvm_ioapic *vioapic;
 };
 
 struct kvm_vcpu_stat {