cpu_x86: Introduce virCPUx86DataSetSignature

The API is useful for creating virCPUData in a hypervisor driver from
data we got by querying the hypervisor.
Signed-off-by: NJiri Denemark <jdenemar@redhat.com>

src/cpu/cpu_x86.c

@@ -2720,6 +2720,17 @@ virCPUx86DataAddCPUID(virCPUDataPtr cpuData,
 }
 
 
+int
+virCPUx86DataSetSignature(virCPUDataPtr cpuData,
+                          unsigned int family,
+                          unsigned int model)
+{
+    uint32_t signature = x86MakeSignature(family, model);
+
+    return x86DataAddSignature(&cpuData->data.x86, signature);
+}
+
+
 struct cpuArchDriver cpuDriverX86 = {
     .name = "x86",
     .arch = archs,

src/cpu/cpu_x86.h

@@ -32,4 +32,8 @@ extern struct cpuArchDriver cpuDriverX86;
 int virCPUx86DataAddCPUID(virCPUDataPtr cpuData,
                           const virCPUx86CPUID *cpuid);
 
+int virCPUx86DataSetSignature(virCPUDataPtr cpuData,
+                              unsigned int family,
+                              unsigned int model);
+
 #endif /* __VIR_CPU_X86_H__ */

src/libvirt_private.syms

@@ -1003,6 +1003,7 @@ virCPUUpdate;
 
 # cpu/cpu_x86.h
 virCPUx86DataAddCPUID;
+virCPUx86DataSetSignature;
 
 
 # datatypes.h