From 30030902f6f32cd2dfe30b8758437a782cc79d1f Mon Sep 17 00:00:00 2001 From: Fuad Tabba Date: Tue, 17 Aug 2021 09:11:20 +0100 Subject: [PATCH] UPSTREAM: KVM: arm64: placeholder to check if VM is protected Add a function to check whether a VM is protected (under pKVM). Since the creation of protected VMs isn't enabled yet, this is a placeholder that always returns false. The intention is for this to become a check for protected VMs in the future (see Will's RFC). No functional change intended. Acked-by: Will Deacon Signed-off-by: Fuad Tabba Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/kvmarm/20210603183347.1695-1-will@kernel.org/ Link: https://lore.kernel.org/r/20210817081134.2918285-2-tabba@google.com (cherry picked from commit 2ea7f655800b00b109951f22539fe2025add210b) Signed-off-by: Will Deacon Bug: 198418208 Change-Id: I4fbeb3095a3699b6447f4cb8a8179f04475c4678 --- arch/arm64/include/asm/kvm_host.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index f40de2e9e61c..e81830efd2d7 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -778,6 +778,11 @@ void kvm_arch_free_vm(struct kvm *kvm); int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type); +static inline bool kvm_vm_is_protected(struct kvm *kvm) +{ + return false; +} + int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature); bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);