KVM: Portability: Make kvm_vcpu_ioctl_translate arch dependent

Move kvm_vcpu_ioctl_translate to arch, since mmu would be put under arch.

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

3 files changed, 26 insertions, 23 deletions

diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h
index a7be0733bc48..e34e246eafec 100644
--- a/drivers/kvm/kvm.h
+++ b/drivers/kvm/kvm.h
@@ -642,6 +642,9 @@ void kvm_arch_destroy_vm(struct kvm *kvm);
 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
 int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu);
 
+int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
+                                    struct kvm_translation *tr);
+
 int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
 int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs);
 int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index c782f27265de..3946025f3d37 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -761,28 +761,6 @@ void kvm_resched(struct kvm_vcpu *vcpu)
 }
 EXPORT_SYMBOL_GPL(kvm_resched);
 
-/*
- * Translate a guest virtual address to a guest physical address.
- */
-static int kvm_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
-                                    struct kvm_translation *tr)
-{
-        unsigned long vaddr = tr->linear_address;
-        gpa_t gpa;
-
-        vcpu_load(vcpu);
-        mutex_lock(&vcpu->kvm->lock);
-        gpa = vcpu->mmu.gva_to_gpa(vcpu, vaddr);
-        tr->physical_address = gpa;
-        tr->valid = gpa != UNMAPPED_GVA;
-        tr->writeable = 1;
-        tr->usermode = 0;
-        mutex_unlock(&vcpu->kvm->lock);
-        vcpu_put(vcpu);
-
-        return 0;
-}
-
 static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
                                     struct kvm_interrupt *irq)
 {
@@ -986,7 +964,7 @@ static long kvm_vcpu_ioctl(struct file *filp,
                 r = -EFAULT;
                 if (copy_from_user(&tr, argp, sizeof tr))
                         goto out;
-                r = kvm_vcpu_ioctl_translate(vcpu, &tr);
+                r = kvm_arch_vcpu_ioctl_translate(vcpu, &tr);
                 if (r)
                         goto out;
                 r = -EFAULT;
diff --git a/drivers/kvm/x86.c b/drivers/kvm/x86.c
index 609792637fb4..f1746afab9e5 100644
--- a/drivers/kvm/x86.c
+++ b/drivers/kvm/x86.c
@@ -2318,6 +2318,28 @@ struct fxsave {
 #endif
 };
 
+/*
+ * Translate a guest virtual address to a guest physical address.
+ */
+int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
+                                    struct kvm_translation *tr)
+{
+        unsigned long vaddr = tr->linear_address;
+        gpa_t gpa;
+
+        vcpu_load(vcpu);
+        mutex_lock(&vcpu->kvm->lock);
+        gpa = vcpu->mmu.gva_to_gpa(vcpu, vaddr);
+        tr->physical_address = gpa;
+        tr->valid = gpa != UNMAPPED_GVA;
+        tr->writeable = 1;
+        tr->usermode = 0;
+        mutex_unlock(&vcpu->kvm->lock);
+        vcpu_put(vcpu);
+
+        return 0;
+}
+
 int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu)
 {
         struct fxsave *fxsave = (struct fxsave *)&vcpu->guest_fx_image;