diff --git a/arch/arm64/kvm/emulate-nested.c b/arch/arm64/kvm/emulate-nested.c index a6d1a265841f..ffe307f222e6 100644 --- a/arch/arm64/kvm/emulate-nested.c +++ b/arch/arm64/kvm/emulate-nested.c @@ -136,6 +136,8 @@ enum cgt_group_id { CGT_CPTR_TTA, CGT_MDCR_HPMN, + CGT_HCR_NV_HCRX_nNVTGE, + /* Must be last */ __NR_CGT_GROUP_IDS__ }; @@ -588,6 +590,15 @@ static enum trap_behaviour check_mdcr_hpmn(struct kvm_vcpu *vcpu) return BEHAVE_HANDLE_LOCALLY; } +static enum trap_behaviour check_hcr_nv_hcrx_nnvtge(struct kvm_vcpu *vcpu) +{ + if ((__vcpu_sys_reg(vcpu, HCR_EL2) & HCR_EL2_NV) && + !(__vcpu_sys_reg(vcpu, HCRX_EL2) & HCRX_EL2_NVTGE)) + return BEHAVE_FORWARD_RW; + + return BEHAVE_HANDLE_LOCALLY; +} + #define CCC(id, fn) \ [id - __COMPLEX_CONDITIONS__] = fn @@ -598,6 +609,7 @@ static const complex_condition_check ccc[] = { CCC(CGT_CNTHCTL_EL1NVVCT, check_cnthctl_el1nvvct), CCC(CGT_CPTR_TTA, check_cptr_tta), CCC(CGT_MDCR_HPMN, check_mdcr_hpmn), + CCC(CGT_HCR_NV_HCRX_nNVTGE, check_hcr_nv_hcrx_nnvtge), }; /* @@ -853,6 +865,7 @@ static const struct encoding_to_trap_config encoding_to_cgt[] __initconst = { SR_TRAP(SYS_SCTLR2_EL2, CGT_HCR_NV), SR_RANGE_TRAP(SYS_HCR_EL2, SYS_HCRX_EL2, CGT_HCR_NV), + SR_TRAP(SYS_NVHCR_EL2, CGT_HCR_NV_HCRX_nNVTGE), SR_TRAP(SYS_SMPRIMAP_EL2, CGT_HCR_NV), SR_TRAP(SYS_SMCR_EL2, CGT_HCR_NV), SR_RANGE_TRAP(SYS_TTBR0_EL2,