As it turns out, KVM already implements the requirements of PSCI v1.1.
Raise the default PSCI version to v1.1 to actually advertise as such.
Suggested-by: Marc Zyngier <maz@xxxxxxxxxx>
Signed-off-by: Oliver Upton <oupton@xxxxxxxxxx>
---
arch/arm64/kvm/psci.c | 4 +++-
include/kvm/arm_psci.h | 3 ++-
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/kvm/psci.c b/arch/arm64/kvm/psci.c
index a7de84cec2e4..0b8a603c471b 100644
--- a/arch/arm64/kvm/psci.c
+++ b/arch/arm64/kvm/psci.c
@@ -370,7 +370,7 @@ static int kvm_psci_1_0_call(struct kvm_vcpu *vcpu)
switch(psci_fn) {
case PSCI_0_2_FN_PSCI_VERSION:
- val = KVM_ARM_PSCI_1_0;
+ val = kvm_psci_version(vcpu);
break;
case PSCI_1_0_FN_PSCI_FEATURES:
feature = smccc_get_arg1(vcpu);
@@ -456,6 +456,7 @@ static int kvm_psci_0_1_call(struct kvm_vcpu *vcpu)
int kvm_psci_call(struct kvm_vcpu *vcpu)
{
switch (kvm_psci_version(vcpu)) {
+ case KVM_ARM_PSCI_1_1:
case KVM_ARM_PSCI_1_0:
return kvm_psci_1_0_call(vcpu);
case KVM_ARM_PSCI_0_2:
@@ -574,6 +575,7 @@ int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
return 0;
case KVM_ARM_PSCI_0_2:
case KVM_ARM_PSCI_1_0:
+ case KVM_ARM_PSCI_1_1:
if (!wants_02)
return -EINVAL;
vcpu->kvm->arch.psci_version = val;
diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h
index 297645edcaff..68b96c3826c3 100644
--- a/include/kvm/arm_psci.h
+++ b/include/kvm/arm_psci.h
@@ -13,8 +13,9 @@
#define KVM_ARM_PSCI_0_1 PSCI_VERSION(0, 1)
#define KVM_ARM_PSCI_0_2 PSCI_VERSION(0, 2)
#define KVM_ARM_PSCI_1_0 PSCI_VERSION(1, 0)
+#define KVM_ARM_PSCI_1_1 PSCI_VERSION(1, 1)
-#define KVM_ARM_PSCI_LATEST KVM_ARM_PSCI_1_0
+#define KVM_ARM_PSCI_LATEST KVM_ARM_PSCI_1_1
static inline int kvm_psci_version(struct kvm_vcpu *vcpu)
{
--
2.35.1.473.g83b2b277ed-goog
