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| author | Ladi Prosek <lprosek@redhat.com> | 2017-10-11 16:54:41 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-10-12 14:01:55 +0200 |
| commit | 72d7b374b14d67e973bce476e4a75552478cc42d (patch) | |
| tree | 6124240991e78d9e00afd6328e9650523bfe8669 /arch/x86/kvm | |
| parent | 0234bf885236a41ef05376039f2a8ebe7028a388 (diff) | |
| download | linux-72d7b374b14d67e973bce476e4a75552478cc42d.tar.gz linux-72d7b374b14d67e973bce476e4a75552478cc42d.tar.bz2 linux-72d7b374b14d67e973bce476e4a75552478cc42d.zip | |
KVM: x86: introduce ISA specific smi_allowed callback
Similar to NMI, there may be ISA specific reasons why an SMI cannot be
injected into the guest. This commit adds a new smi_allowed callback to
be implemented in following commits.
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/svm.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 6 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 |
3 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index c4e9b99d48d8..e3c61a32249d 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -5401,6 +5401,11 @@ static void svm_setup_mce(struct kvm_vcpu *vcpu) vcpu->arch.mcg_cap &= 0x1ff; } +static int svm_smi_allowed(struct kvm_vcpu *vcpu) +{ + return 1; +} + static int svm_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate) { /* TODO: Implement */ @@ -5524,6 +5529,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = { .update_pi_irte = svm_update_pi_irte, .setup_mce = svm_setup_mce, + .smi_allowed = svm_smi_allowed, .pre_enter_smm = svm_pre_enter_smm, .pre_leave_smm = svm_pre_leave_smm, }; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 1305bb65688b..156ecbaad1e6 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11916,6 +11916,11 @@ static void vmx_setup_mce(struct kvm_vcpu *vcpu) ~FEATURE_CONTROL_LMCE; } +static int vmx_smi_allowed(struct kvm_vcpu *vcpu) +{ + return 1; +} + static int vmx_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate) { /* TODO: Implement */ @@ -12054,6 +12059,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = { .setup_mce = vmx_setup_mce, + .smi_allowed = vmx_smi_allowed, .pre_enter_smm = vmx_pre_enter_smm, .pre_leave_smm = vmx_pre_leave_smm, }; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9e85a69ccb12..693bf8d01128 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6438,7 +6438,7 @@ static int inject_pending_event(struct kvm_vcpu *vcpu, bool req_int_win) } kvm_x86_ops->queue_exception(vcpu); - } else if (vcpu->arch.smi_pending && !is_smm(vcpu)) { + } else if (vcpu->arch.smi_pending && !is_smm(vcpu) && kvm_x86_ops->smi_allowed(vcpu)) { vcpu->arch.smi_pending = false; enter_smm(vcpu); } else if (vcpu->arch.nmi_pending && kvm_x86_ops->nmi_allowed(vcpu)) { |