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Diffstat (limited to 'arch/arm64/include/asm/kvm_host.h')
-rw-r--r--arch/arm64/include/asm/kvm_host.h23
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 7cd7d5c8c4bc..41911585ae0c 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -46,6 +46,7 @@
#define KVM_REQ_VCPU_RESET KVM_ARCH_REQ(2)
#define KVM_REQ_RECORD_STEAL KVM_ARCH_REQ(3)
#define KVM_REQ_RELOAD_GICv4 KVM_ARCH_REQ(4)
+#define KVM_REQ_RELOAD_PMU KVM_ARCH_REQ(5)
#define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
KVM_DIRTY_LOG_INITIALLY_SET)
@@ -132,6 +133,9 @@ struct kvm_arch {
u8 pfr0_csv2;
u8 pfr0_csv3;
+
+ /* Memory Tagging Extension enabled for the guest */
+ bool mte_enabled;
};
struct kvm_vcpu_fault_info {
@@ -206,6 +210,12 @@ enum vcpu_sysreg {
CNTP_CVAL_EL0,
CNTP_CTL_EL0,
+ /* Memory Tagging Extension registers */
+ RGSR_EL1, /* Random Allocation Tag Seed Register */
+ GCR_EL1, /* Tag Control Register */
+ TFSR_EL1, /* Tag Fault Status Register (EL1) */
+ TFSRE0_EL1, /* Tag Fault Status Register (EL0) */
+
/* 32bit specific registers. Keep them at the end of the range */
DACR32_EL2, /* Domain Access Control Register */
IFSR32_EL2, /* Instruction Fault Status Register */
@@ -556,16 +566,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
}
struct kvm_vm_stat {
- ulong remote_tlb_flush;
+ struct kvm_vm_stat_generic generic;
};
struct kvm_vcpu_stat {
- u64 halt_successful_poll;
- u64 halt_attempted_poll;
- u64 halt_poll_success_ns;
- u64 halt_poll_fail_ns;
- u64 halt_poll_invalid;
- u64 halt_wakeup;
+ struct kvm_vcpu_stat_generic generic;
u64 hvc_exit_stat;
u64 wfe_exit_stat;
u64 wfi_exit_stat;
@@ -721,6 +726,9 @@ int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu,
int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr);
+long kvm_vm_ioctl_mte_copy_tags(struct kvm *kvm,
+ struct kvm_arm_copy_mte_tags *copy_tags);
+
/* Guest/host FPSIMD coordination helpers */
int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu);
@@ -769,6 +777,7 @@ bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);
#define kvm_arm_vcpu_sve_finalized(vcpu) \
((vcpu)->arch.flags & KVM_ARM64_VCPU_SVE_FINALIZED)
+#define kvm_has_mte(kvm) (system_supports_mte() && (kvm)->arch.mte_enabled)
#define kvm_vcpu_has_pmu(vcpu) \
(test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features))