diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2023-12-05 13:36:19 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-12-07 20:34:14 +0300 |
| commit | 0659262a2625ca3e4061796cd4f4935091220056 (patch) | |
| tree | 69139d0aa7db142585f69b04bf7a69e4a5d5b508 /arch/x86/kvm/hyperv.h | |
| parent | 16e880bfa6377871da233c846ecdf23db2bf1d97 (diff) | |
| download | linux-0659262a2625ca3e4061796cd4f4935091220056.tar.xz | |
KVM: x86: Introduce helper to check if vector is set in Hyper-V SynIC
As a preparation to making Hyper-V emulation optional, create a dedicated
kvm_hv_synic_has_vector() helper to avoid extra ifdefs in lapic.c.
No functional change intended.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Tested-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Link: https://lore.kernel.org/r/20231205103630.1391318-6-vkuznets@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/hyperv.h')
| -rw-r--r-- | arch/x86/kvm/hyperv.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/hyperv.h b/arch/x86/kvm/hyperv.h index 286956fe1a2e..9d8fa6ba6341 100644 --- a/arch/x86/kvm/hyperv.h +++ b/arch/x86/kvm/hyperv.h @@ -105,6 +105,11 @@ int kvm_hv_synic_set_irq(struct kvm *kvm, u32 vcpu_id, u32 sint); void kvm_hv_synic_send_eoi(struct kvm_vcpu *vcpu, int vector); int kvm_hv_activate_synic(struct kvm_vcpu *vcpu, bool dont_zero_synic_pages); +static inline bool kvm_hv_synic_has_vector(struct kvm_vcpu *vcpu, int vector) +{ + return to_hv_vcpu(vcpu) && test_bit(vector, to_hv_synic(vcpu)->vec_bitmap); +} + static inline bool kvm_hv_synic_auto_eoi_set(struct kvm_vcpu *vcpu, int vector) { return to_hv_vcpu(vcpu) && |