[PATCH v3 14/28] cpu_x86: Introduce virCPUx86DataSetSignature

[Jiri Denemark <jdenemar@xxxxxxxxxx>]

The API is useful for creating virCPUData in a hypervisor driver from
data we got by querying the hypervisor.

Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
---

Notes:
    Version 3:
    - ACKed in v2
    - better commit message
    - #include "cpu/cpu_x86.h" in qemu_capabilities.c moved to the patch
      which makes use of the API
    
    Version 2:
    - no change

 src/cpu/cpu_x86.c        | 11 +++++++++++
 src/cpu/cpu_x86.h        |  4 ++++
 src/libvirt_private.syms |  1 +
 3 files changed, 16 insertions(+)

diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c
index 029a7d475..e3f860bc6 100644
--- a/src/cpu/cpu_x86.c
+++ b/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,
diff --git a/src/cpu/cpu_x86.h b/src/cpu/cpu_x86.h
index 79e78a007..ffbd064b4 100644
--- a/src/cpu/cpu_x86.h
+++ b/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__ */
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 145e23bd8..71eb97f01 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1003,6 +1003,7 @@ virCPUUpdate;
 
 # cpu/cpu_x86.h
 virCPUx86DataAddCPUID;
+virCPUx86DataSetSignature;
 
 
 # datatypes.h
-- 
2.11.1

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