[v19,093/130] KVM: TDX: Implements vcpu request_immediate_exit

Message ID 3fd2824a8f77412476b58155776e88dfe84a8c73.1708933498.git.isaku.yamahata@intel.com
State New
Headers
Series [v19,001/130] x86/virt/tdx: Rename _offset to _member for TD_SYSINFO_MAP() macro |

Commit Message

Isaku Yamahata Feb. 26, 2024, 8:26 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 | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
  

Patch

diff --git a/arch/x86/kvm/vmx/main.c b/arch/x86/kvm/vmx/main.c
index f2c9d6358f9e..ee6c04959d4c 100644
--- a/arch/x86/kvm/vmx/main.c
+++ b/arch/x86/kvm/vmx/main.c
@@ -372,6 +372,16 @@  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)) {
+		__kvm_request_immediate_exit(vcpu);
+		return;
+	}
+
+	vmx_request_immediate_exit(vcpu);
+}
+
 static u8 vt_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
 {
 	if (is_td_vcpu(vcpu))
@@ -549,7 +559,7 @@  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,