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>
---
 arch/powerpc/include/asm/kvm_host.h   |    1 +
 arch/powerpc/kvm/book3s_hv.h          |    1 +
 arch/powerpc/kvm/book3s_hv_nestedv2.c |    6 ++++++
 3 files changed, 8 insertions(+)

diff --git a/arch/powerpc/include/asm/kvm_host.h 
b/arch/powerpc/include/asm/kvm_host.h
index 1e2fdcbecffd..a0cd9dbf534f 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -600,6 +600,7 @@ struct kvm_vcpu_arch {
        ulong dawr1;
        ulong dawrx1;
        ulong dexcr;
+       ulong hashkeyr;
        ulong ciabr;
        ulong cfar;
        ulong ppr;
diff --git a/arch/powerpc/kvm/book3s_hv.h b/arch/powerpc/kvm/book3s_hv.h
index 7b0fd282fe95..c073fdfa7dc4 100644
--- a/arch/powerpc/kvm/book3s_hv.h
+++ b/arch/powerpc/kvm/book3s_hv.h
@@ -117,6 +117,7 @@ KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawr1, 64, KVMPPC_GSID_DAWR1)
 KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawrx0, 64, KVMPPC_GSID_DAWRX0)
 KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dawrx1, 64, KVMPPC_GSID_DAWRX1)
 KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(dexcr, 64, KVMPPC_GSID_DEXCR)
+KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(hashkeyr, 64, KVMPPC_GSID_HASHKEYR)
 KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ciabr, 64, KVMPPC_GSID_CIABR)
 KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(wort, 64, KVMPPC_GSID_WORT)
 KVMPPC_BOOK3S_HV_VCPU_ACCESSOR(ppr, 64, KVMPPC_GSID_PPR)
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;


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