[v10,082/108] KVM: TDX: Implements vcpu request_immediate_exit

Message ID 6901f181c0bfb99a8f675fdffc6429559edb5732.1667110240.git.isaku.yamahata@intel.com
State New
Headers
Series KVM TDX basic feature support |

Commit Message

Isaku Yamahata Oct. 30, 2022, 6:23 a.m. UTC
  From: Isaku Yamahata <isaku.yamahata@intel.com>

Now we are able to inject interrupts into TDX vcpu, it's ready to block TDX
vcpu.  Wire up kvm x86 methods for blocking/unblocking vcpu for TDX.  To
unblock on pending events, request immediate exit methods is also needed.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
---
 arch/x86/kvm/vmx/main.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
  

Patch

diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c
index 13ad1278bef2..3e9007a7edfb 100644
--- a/arch/x86/kvm/vmx/main.c
+++ b/arch/x86/kvm/vmx/main.c
@@ -319,6 +319,14 @@  static void vt_enable_irq_window(struct kvm_vcpu *vcpu)
 	vmx_enable_irq_window(vcpu);
 }
 
+static void vt_request_immediate_exit(struct kvm_vcpu *vcpu)
+{
+	if (is_td_vcpu(vcpu))
+		return __kvm_request_immediate_exit(vcpu);
+
+	vmx_request_immediate_exit(vcpu);
+}
+
 static int vt_mem_enc_ioctl(struct kvm *kvm, void __user *argp)
 {
 	if (!is_td(kvm))
@@ -446,7 +454,7 @@  struct kvm_x86_ops vt_x86_ops __initdata = {
 	.check_intercept = vmx_check_intercept,
 	.handle_exit_irqoff = vmx_handle_exit_irqoff,
 
-	.request_immediate_exit = vmx_request_immediate_exit,
+	.request_immediate_exit = vt_request_immediate_exit,
 
 	.sched_in = vt_sched_in,