i386/cgs: Rename *mask_cpuid_features() to *adjust_cpuid_features()

Because for TDX case, there are also fixed-1 bits that enforced by TDX
module.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20250508150002.689633-44-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target/i386/confidential-guest.h b/target/i386/confidential-guest.h
index a86c42a47558a6329140b1c6c273207f18e1264b..777d43cc9688f3d743960185537084e204a27e13 100644 (file)
--- a/target/i386/confidential-guest.h
+++ b/target/i386/confidential-guest.h
@@ -40,8 +40,8 @@ struct X86ConfidentialGuestClass {
     /* <public> */
     int (*kvm_type)(X86ConfidentialGuest *cg);
     void (*cpu_instance_init)(X86ConfidentialGuest *cg, CPUState *cpu);
-    uint32_t (*mask_cpuid_features)(X86ConfidentialGuest *cg, uint32_t feature, uint32_t index,
-                                    int reg, uint32_t value);
+    uint32_t (*adjust_cpuid_features)(X86ConfidentialGuest *cg, uint32_t feature,
+                                      uint32_t index, int reg, uint32_t value);
 };
 
 /**
@@ -71,21 +71,21 @@ static inline void x86_confidential_guest_cpu_instance_init(X86ConfidentialGuest
 }
 
 /**
- * x86_confidential_guest_mask_cpuid_features:
+ * x86_confidential_guest_adjust_cpuid_features:
  *
- * Removes unsupported features from a confidential guest's CPUID values, returns
- * the value with the bits removed.  The bits removed should be those that KVM
- * provides independent of host-supported CPUID features, but are not supported by
- * the confidential computing firmware.
+ * Adjust the supported features from a confidential guest's CPUID values,
+ * returns the adjusted value.  There are bits being removed that are not
+ * supported by the confidential computing firmware or bits being added that
+ * are forcibly exposed to guest by the confidential computing firmware.
  */
-static inline int x86_confidential_guest_mask_cpuid_features(X86ConfidentialGuest *cg,
+static inline int x86_confidential_guest_adjust_cpuid_features(X86ConfidentialGuest *cg,
                                                              uint32_t feature, uint32_t index,
                                                              int reg, uint32_t value)
 {
     X86ConfidentialGuestClass *klass = X86_CONFIDENTIAL_GUEST_GET_CLASS(cg);
 
-    if (klass->mask_cpuid_features) {
-        return klass->mask_cpuid_features(cg, feature, index, reg, value);
+    if (klass->adjust_cpuid_features) {
+        return klass->adjust_cpuid_features(cg, feature, index, reg, value);
     } else {
         return value;
     }

diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 90a0dac4a1ecc8144b354aaf9ef3bc1dd7c834f9..0d474634312ce8b1beaddd165499a17ebdf64386 100644 (file)
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -574,7 +574,7 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function,
     }
 
     if (current_machine->cgs) {
-        ret = x86_confidential_guest_mask_cpuid_features(
+        ret = x86_confidential_guest_adjust_cpuid_features(
             X86_CONFIDENTIAL_GUEST(current_machine->cgs),
             function, index, reg, ret);
     }

diff --git a/target/i386/sev.c b/target/i386/sev.c
index 7ee700d6a35d6e2ef65d51dc359e0b5882968abe..8b87b7cdec33c2c425baeaf03e42e452d19c9e36 100644 (file)
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -947,7 +947,7 @@ out:
 }
 
 static uint32_t
-sev_snp_mask_cpuid_features(X86ConfidentialGuest *cg, uint32_t feature, uint32_t index,
+sev_snp_adjust_cpuid_features(X86ConfidentialGuest *cg, uint32_t feature, uint32_t index,
                             int reg, uint32_t value)
 {
     switch (feature) {
@@ -2405,7 +2405,7 @@ sev_snp_guest_class_init(ObjectClass *oc, const void *data)
     klass->launch_finish = sev_snp_launch_finish;
     klass->launch_update_data = sev_snp_launch_update_data;
     klass->kvm_init = sev_snp_kvm_init;
-    x86_klass->mask_cpuid_features = sev_snp_mask_cpuid_features;
+    x86_klass->adjust_cpuid_features = sev_snp_adjust_cpuid_features;
     x86_klass->kvm_type = sev_snp_kvm_type;
 
     object_class_property_add(oc, "policy", "uint64",