[PATCH v2 6/8] KVM: PPC: Book3S HV nestedv2: Keep nested guest HASHKEYR in sync

[Shivaprasad G Bhat]

The nestedv2 APIs has the guest state element defined for HASHKEYR for
the save-restore with L0. However, its ignored in the code.

The patch takes care of this for the HASHKEYR GSID.

Signed-off-by: Shivaprasad G Bhat <sb...@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npig...@gmail.com>
---
 arch/powerpc/kvm/book3s_hv_nestedv2.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_hv_nestedv2.c 
b/arch/powerpc/kvm/book3s_hv_nestedv2.c
index d207a6d936ff..bbff933f2ccc 100644
--- a/arch/powerpc/kvm/book3s_hv_nestedv2.c
+++ b/arch/powerpc/kvm/book3s_hv_nestedv2.c
@@ -196,6 +196,9 @@ static int gs_msg_ops_vcpu_fill_info(struct kvmppc_gs_buff 
*gsb,
                case KVMPPC_GSID_DEXCR:
                        rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.dexcr);
                        break;
+               case KVMPPC_GSID_HASHKEYR:
+                       rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.hashkeyr);
+                       break;
                case KVMPPC_GSID_CIABR:
                        rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.ciabr);
                        break;
@@ -447,6 +450,9 @@ static int gs_msg_ops_vcpu_refresh_info(struct 
kvmppc_gs_msg *gsm,
                case KVMPPC_GSID_DEXCR:
                        vcpu->arch.dexcr = kvmppc_gse_get_u64(gse);
                        break;
+               case KVMPPC_GSID_HASHKEYR:
+                       vcpu->arch.hashkeyr = kvmppc_gse_get_u64(gse);
+                       break;
                case KVMPPC_GSID_CIABR:
                        vcpu->arch.ciabr = kvmppc_gse_get_u64(gse);
                        break;