virsh: Add --expand-cpu-features option for domcapabilities

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>

docs/manpages/virsh.rst

@@ -592,6 +592,7 @@ domcapabilities
    domcapabilities [virttype] [emulatorbin] [arch] [machine]
                    [--xpath EXPRESSION] [--wrap]
                    [--disable-deprecated-features]
+                   [--expand-cpu-features]
 
 
 Print an XML document describing the domain capabilities for the
@@ -638,6 +639,10 @@ of host-model CPU XML, updating the features list with any features
 flagged as deprecated for the CPU model by the hypervisor. These
 features will be paired with the "disable" policy.
 
+The **--expand-cpu-features** option will cause the host-model CPU definition
+to contain all CPU features supported on the host including those implicitly
+enabled by the selected CPU model.
+
 
 pool-capabilities
 -----------------

tools/virsh-host.c

@@ -118,6 +118,10 @@ static const vshCmdOptDef opts_domcapabilities[] = {
      .type = VSH_OT_BOOL,
      .help = N_("report host CPU model with deprecated features disabled"),
     },
+    {.name = "expand-cpu-features",
+     .type = VSH_OT_BOOL,
+     .help = N_("show all features in host CPU model"),
+    },
     {.name = NULL}
 };
 
@@ -137,6 +141,9 @@ cmdDomCapabilities(vshControl *ctl, const vshCmd *cmd)
     if (vshCommandOptBool(cmd, "disable-deprecated-features"))
         flags |= VIR_CONNECT_GET_DOMAIN_CAPABILITIES_DISABLE_DEPRECATED_FEATURES;
 
+    if (vshCommandOptBool(cmd, "expand-cpu-features"))
+        flags |= VIR_CONNECT_GET_DOMAIN_CAPABILITIES_EXPAND_CPU_FEATURES;
+
     if (vshCommandOptString(ctl, cmd, "virttype", &virttype) < 0 ||
         vshCommandOptString(ctl, cmd, "emulatorbin", &emulatorbin) < 0 ||
         vshCommandOptString(ctl, cmd, "arch", &arch) < 0 ||