From: Oliver Upton <oliver.upton@linux.dev>
Let the guest know that our PSCI implementation is entirely oblivious to
the existence of a Trusted OS, and thus shouldn't care about it.
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
arm64/psci.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arm64/psci.c b/arm64/psci.c
index 94e39d40..3deb672e 100644
--- a/arm64/psci.c
+++ b/arm64/psci.c
@@ -32,6 +32,7 @@ static void psci_features(struct kvm_cpu *vcpu, struct arm_smccc_res *res)
case PSCI_0_2_FN64_CPU_ON:
case PSCI_0_2_FN_AFFINITY_INFO:
case PSCI_0_2_FN64_AFFINITY_INFO:
+ case PSCI_0_2_FN_MIGRATE_INFO_TYPE:
case ARM_SMCCC_VERSION_FUNC_ID:
res->a0 = PSCI_RET_SUCCESS;
break;
@@ -190,6 +191,10 @@ void handle_psci(struct kvm_cpu *vcpu, struct arm_smccc_res *res)
case PSCI_0_2_FN64_AFFINITY_INFO:
affinity_info(vcpu, res);
break;
+ case PSCI_0_2_FN_MIGRATE_INFO_TYPE:
+ /* Trusted OS not present */
+ res->a0 = PSCI_0_2_TOS_MP;
+ break;
default:
res->a0 = PSCI_RET_NOT_SUPPORTED;
}
--
2.43.0