x86/hyperv: KVM: Rename "hv_enlightenments" to "hv_vmcb_enlightenments"

Now that KVM isn't littered with "struct hv_enlightenments" casts, rename
the struct to "hv_vmcb_enlightenments" to highlight the fact that the
struct is specifically for SVM's VMCB.

No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-5-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/include/asm/hyperv-tlfs.h

@@ -602,7 +602,7 @@ struct hv_enlightened_vmcs {
  * Hyper-V uses the software reserved 32 bytes in VMCB control area to expose
  * SVM enlightenments to guests.
  */
-struct hv_enlightenments {
+struct hv_vmcb_enlightenments {
 	struct __packed hv_enlightenments_control {
 		u32 nested_flush_hypercall:1;
 		u32 msr_bitmap:1;

arch/x86/include/asm/svm.h

@@ -164,7 +164,7 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
 	 * for use by hypervisor/software.
 	 */
 	union {
-		struct hv_enlightenments hv_enlightenments;
+		struct hv_vmcb_enlightenments hv_enlightenments;
 		u8 reserved_sw[32];
 	};
 };

arch/x86/kvm/svm/nested.c

@@ -180,7 +180,7 @@ void recalc_intercepts(struct vcpu_svm *svm)
  */
 static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
 {
-	struct hv_enlightenments *hve = &svm->nested.ctl.hv_enlightenments;
+	struct hv_vmcb_enlightenments *hve = &svm->nested.ctl.hv_enlightenments;
 	int i;
 
 	/*

arch/x86/kvm/svm/svm.h

@@ -152,7 +152,7 @@ struct vmcb_ctrl_area_cached {
 	u64 virt_ext;
 	u32 clean;
 	union {
-		struct hv_enlightenments hv_enlightenments;
+		struct hv_vmcb_enlightenments hv_enlightenments;
 		u8 reserved_sw[32];
 	};
 };

arch/x86/kvm/svm/svm_onhyperv.c

@@ -16,7 +16,7 @@
 
 int svm_hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu)
 {
-	struct hv_enlightenments *hve;
+	struct hv_vmcb_enlightenments *hve;
 	struct hv_partition_assist_pg **p_hv_pa_pg =
 			&to_kvm_hv(vcpu->kvm)->hv_pa_pg;
 

arch/x86/kvm/svm/svm_onhyperv.h

@@ -17,7 +17,7 @@ int svm_hv_enable_direct_tlbflush(struct kvm_vcpu *vcpu);
 
 static inline void svm_hv_init_vmcb(struct vmcb *vmcb)
 {
-	struct hv_enlightenments *hve = &vmcb->control.hv_enlightenments;
+	struct hv_vmcb_enlightenments *hve = &vmcb->control.hv_enlightenments;
 
 	BUILD_BUG_ON(sizeof(vmcb->control.hv_enlightenments) !=
 		     sizeof(vmcb->control.reserved_sw));
@@ -62,7 +62,7 @@ static inline void svm_hv_vmcb_dirty_nested_enlightenments(
 		struct kvm_vcpu *vcpu)
 {
 	struct vmcb *vmcb = to_svm(vcpu)->vmcb;
-	struct hv_enlightenments *hve = &vmcb->control.hv_enlightenments;
+	struct hv_vmcb_enlightenments *hve = &vmcb->control.hv_enlightenments;
 
 	if (hve->hv_enlightenments_control.msr_bitmap)
 		vmcb_mark_dirty(vmcb, HV_VMCB_NESTED_ENLIGHTENMENTS);
@@ -70,7 +70,7 @@ static inline void svm_hv_vmcb_dirty_nested_enlightenments(
 
 static inline void svm_hv_update_vp_id(struct vmcb *vmcb, struct kvm_vcpu *vcpu)
 {
-	struct hv_enlightenments *hve = &vmcb->control.hv_enlightenments;
+	struct hv_vmcb_enlightenments *hve = &vmcb->control.hv_enlightenments;
 	u32 vp_index = kvm_hv_get_vpindex(vcpu);
 
 	if (hve->hv_vp_id != vp_index) {

tools/testing/selftests/kvm/include/x86_64/svm.h

@@ -58,7 +58,7 @@ enum {
 	INTERCEPT_RDPRU,
 };
 
-struct hv_enlightenments {
+struct hv_vmcb_enlightenments {
 	struct __packed hv_enlightenments_control {
 		u32 nested_flush_hypercall:1;
 		u32 msr_bitmap:1;
@@ -124,7 +124,7 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
 	 * for use by hypervisor/software.
 	 */
 	union {
-		struct hv_enlightenments hv_enlightenments;
+		struct hv_vmcb_enlightenments hv_enlightenments;
 		u8 reserved_sw[32];
 	};
 };

tools/testing/selftests/kvm/x86_64/hyperv_svm_test.c

@@ -46,7 +46,7 @@ static void __attribute__((__flatten__)) guest_code(struct svm_test_data *svm)
 {
 	unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
 	struct vmcb *vmcb = svm->vmcb;
-	struct hv_enlightenments *hve = &vmcb->control.hv_enlightenments;
+	struct hv_vmcb_enlightenments *hve = &vmcb->control.hv_enlightenments;
 
 	GUEST_SYNC(1);