diff options
| author | Steven Price <steven.price@arm.com> | 2019-10-21 16:28:16 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-10-21 19:20:27 +0100 |
| commit | b48c1a45a190898103cec28771efc399fd65a05a (patch) | |
| tree | aeaa6b765b8d6a0c12de852832a0d73a51b1ac1f /arch/arm/include/asm/kvm_host.h | |
| parent | 55009c6ed2d24fc0f5521ab2482f145d269389ea (diff) | |
KVM: arm64: Implement PV_TIME_FEATURES call
This provides a mechanism for querying which paravirtualized time
features are available in this hypervisor.
Also add the header file which defines the ABI for the paravirtualized
time features we're about to add.
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/kvm_host.h')
| -rw-r--r-- | arch/arm/include/asm/kvm_host.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 8a37c8e89777..5a0c3569ebde 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -7,6 +7,7 @@ #ifndef __ARM_KVM_HOST_H__ #define __ARM_KVM_HOST_H__ +#include <linux/arm-smccc.h> #include <linux/errno.h> #include <linux/types.h> #include <linux/kvm_types.h> @@ -323,6 +324,11 @@ static inline int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext) int kvm_perf_init(void); int kvm_perf_teardown(void); +static inline long kvm_hypercall_pv_features(struct kvm_vcpu *vcpu) +{ + return SMCCC_RET_NOT_SUPPORTED; +} + void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot); struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr); |