KVM: PPC: Move kvmppc_ld/st to common code

We have enough common infrastructure now to resolve GVA->GPA mappings at
runtime. With this we can move our book3s specific helpers to load / store
in guest virtual address space to common code as well.

Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 0 insertions, 81 deletions

diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 0b6c84e0352d..de8da3387e90 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -410,87 +410,6 @@ int kvmppc_xlate(struct kvm_vcpu *vcpu, ulong eaddr, enum xlate_instdata xlid,
 	return r;
 }
 
-static hva_t kvmppc_bad_hva(void)
-{
-	return PAGE_OFFSET;
-}
-
-static hva_t kvmppc_pte_to_hva(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte)
-{
-	hva_t hpage;
-
-	hpage = gfn_to_hva(vcpu->kvm, pte->raddr >> PAGE_SHIFT);
-	if (kvm_is_error_hva(hpage))
-		goto err;
-
-	return hpage | (pte->raddr & ~PAGE_MASK);
-err:
-	return kvmppc_bad_hva();
-}
-
-int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
-	      bool data)
-{
-	struct kvmppc_pte pte;
-	int r;
-
-	vcpu->stat.st++;
-
-	r = kvmppc_xlate(vcpu, *eaddr, data ? XLATE_DATA : XLATE_INST,
-			 XLATE_WRITE, &pte);
-	if (r < 0)
-		return r;
-
-	*eaddr = pte.raddr;
-
-	if (!pte.may_write)
-		return -EPERM;
-
-	if (kvm_write_guest(vcpu->kvm, pte.raddr, ptr, size))
-		return EMULATE_DO_MMIO;
-
-	return EMULATE_DONE;
-}
-EXPORT_SYMBOL_GPL(kvmppc_st);
-
-int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
-		      bool data)
-{
-	struct kvmppc_pte pte;
-	hva_t hva = *eaddr;
-	int rc;
-
-	vcpu->stat.ld++;
-
-	rc = kvmppc_xlate(vcpu, *eaddr, data ? XLATE_DATA : XLATE_INST,
-			  XLATE_READ, &pte);
-	if (rc)
-		return rc;
-
-	*eaddr = pte.raddr;
-
-	if (!pte.may_read)
-		return -EPERM;
-
-	if (!data && !pte.may_execute)
-		return -ENOEXEC;
-
-	hva = kvmppc_pte_to_hva(vcpu, &pte);
-	if (kvm_is_error_hva(hva))
-		goto mmio;
-
-	if (copy_from_user(ptr, (void __user *)hva, size)) {
-		printk(KERN_INFO "kvmppc_ld at 0x%lx failed\n", hva);
-		goto mmio;
-	}
-
-	return EMULATE_DONE;
-
-mmio:
-	return EMULATE_DO_MMIO;
-}
-EXPORT_SYMBOL_GPL(kvmppc_ld);
-
 int kvmppc_load_last_inst(struct kvm_vcpu *vcpu, enum instruction_type type,
 					 u32 *inst)
 {