KVM: VMX: Extend BUILD_CONTROLS_SHADOW macro to support 64-bit variation

The Tertiary VM-Exec Control, different from previous control fields, is 64
bit. So extend BUILD_CONTROLS_SHADOW() by adding a 'bit' parameter, to
support both 32 bit and 64 bit fields' auxiliary functions building.

Suggested-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
Signed-off-by: Zeng Guang <guang.zeng@intel.com>
Message-Id: <20220419153318.11595-1-guang.zeng@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index b98c7e9..56be4cd 100644 (file)
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -456,35 +456,35 @@ static inline u8 vmx_get_rvi(void)
        return vmcs_read16(GUEST_INTR_STATUS) & 0xff;
 }
 
-#define BUILD_CONTROLS_SHADOW(lname, uname)                                \
-static inline void lname##_controls_set(struct vcpu_vmx *vmx, u32 val)     \
-{                                                                          \
-       if (vmx->loaded_vmcs->controls_shadow.lname != val) {               \
-               vmcs_write32(uname, val);                                   \
-               vmx->loaded_vmcs->controls_shadow.lname = val;              \
-       }                                                                   \
-}                                                                          \
-static inline u32 __##lname##_controls_get(struct loaded_vmcs *vmcs)       \
-{                                                                          \
-       return vmcs->controls_shadow.lname;                                 \
-}                                                                          \
-static inline u32 lname##_controls_get(struct vcpu_vmx *vmx)               \
-{                                                                          \
-       return __##lname##_controls_get(vmx->loaded_vmcs);                  \
-}                                                                          \
-static inline void lname##_controls_setbit(struct vcpu_vmx *vmx, u32 val)   \
-{                                                                          \
-       lname##_controls_set(vmx, lname##_controls_get(vmx) | val);         \
-}                                                                          \
-static inline void lname##_controls_clearbit(struct vcpu_vmx *vmx, u32 val) \
-{                                                                          \
-       lname##_controls_set(vmx, lname##_controls_get(vmx) & ~val);        \
+#define BUILD_CONTROLS_SHADOW(lname, uname, bits)                              \
+static inline void lname##_controls_set(struct vcpu_vmx *vmx, u##bits val)     \
+{                                                                              \
+       if (vmx->loaded_vmcs->controls_shadow.lname != val) {                   \
+               vmcs_write##bits(uname, val);                                   \
+               vmx->loaded_vmcs->controls_shadow.lname = val;                  \
+       }                                                                       \
+}                                                                              \
+static inline u##bits __##lname##_controls_get(struct loaded_vmcs *vmcs)       \
+{                                                                              \
+       return vmcs->controls_shadow.lname;                                     \
+}                                                                              \
+static inline u##bits lname##_controls_get(struct vcpu_vmx *vmx)               \
+{                                                                              \
+       return __##lname##_controls_get(vmx->loaded_vmcs);                      \
+}                                                                              \
+static inline void lname##_controls_setbit(struct vcpu_vmx *vmx, u##bits val)  \
+{                                                                              \
+       lname##_controls_set(vmx, lname##_controls_get(vmx) | val);             \
+}                                                                              \
+static inline void lname##_controls_clearbit(struct vcpu_vmx *vmx, u##bits val)        \
+{                                                                              \
+       lname##_controls_set(vmx, lname##_controls_get(vmx) & ~val);            \
 }
-BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS)
-BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS)
-BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL)
-BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL)
-BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL)
+BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS, 32)
+BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS, 32)
+BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL, 32)
+BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL, 32)
+BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL, 32)
 
 /*
  * VMX_REGS_LAZY_LOAD_SET - The set of registers that will be updated in the