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Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
-rw-r--r--arch/powerpc/kvm/powerpc.c33
1 files changed, 29 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index b1ed31a17a8c..b90a7d154180 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -331,10 +331,17 @@ int kvmppc_st(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
{
ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM & PAGE_MASK;
struct kvmppc_pte pte;
- int r;
+ int r = -EINVAL;
vcpu->stat.st++;
+ if (vcpu->kvm->arch.kvm_ops && vcpu->kvm->arch.kvm_ops->store_to_eaddr)
+ r = vcpu->kvm->arch.kvm_ops->store_to_eaddr(vcpu, eaddr, ptr,
+ size);
+
+ if ((!r) || (r == -EAGAIN))
+ return r;
+
r = kvmppc_xlate(vcpu, *eaddr, data ? XLATE_DATA : XLATE_INST,
XLATE_WRITE, &pte);
if (r < 0)
@@ -367,10 +374,17 @@ int kvmppc_ld(struct kvm_vcpu *vcpu, ulong *eaddr, int size, void *ptr,
{
ulong mp_pa = vcpu->arch.magic_page_pa & KVM_PAM & PAGE_MASK;
struct kvmppc_pte pte;
- int rc;
+ int rc = -EINVAL;
vcpu->stat.ld++;
+ if (vcpu->kvm->arch.kvm_ops && vcpu->kvm->arch.kvm_ops->load_from_eaddr)
+ rc = vcpu->kvm->arch.kvm_ops->load_from_eaddr(vcpu, eaddr, ptr,
+ size);
+
+ if ((!rc) || (rc == -EAGAIN))
+ return rc;
+
rc = kvmppc_xlate(vcpu, *eaddr, data ? XLATE_DATA : XLATE_INST,
XLATE_READ, &pte);
if (rc)
@@ -542,8 +556,11 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
#ifdef CONFIG_PPC_BOOK3S_64
case KVM_CAP_SPAPR_TCE:
case KVM_CAP_SPAPR_TCE_64:
- /* fallthrough */
+ r = 1;
+ break;
case KVM_CAP_SPAPR_TCE_VFIO:
+ r = !!cpu_has_feature(CPU_FTR_HVMODE);
+ break;
case KVM_CAP_PPC_RTAS:
case KVM_CAP_PPC_FIXUP_HCALL:
case KVM_CAP_PPC_ENABLE_HCALL:
@@ -695,7 +712,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
const struct kvm_memory_slot *new,
enum kvm_mr_change change)
{
- kvmppc_core_commit_memory_region(kvm, mem, old, new);
+ kvmppc_core_commit_memory_region(kvm, mem, old, new, change);
}
void kvm_arch_flush_shadow_memslot(struct kvm *kvm,
@@ -1191,6 +1208,14 @@ static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
kvmppc_set_vmx_byte(vcpu, gpr);
break;
#endif
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+ case KVM_MMIO_REG_NESTED_GPR:
+ if (kvmppc_need_byteswap(vcpu))
+ gpr = swab64(gpr);
+ kvm_vcpu_write_guest(vcpu, vcpu->arch.nested_io_gpr, &gpr,
+ sizeof(gpr));
+ break;
+#endif
default:
BUG();
}