conf: Introduce VIR_DOMAIN_TIMER_NAME_ARMVTIMER

This new timer model will be used to control the behavior of the
virtual timer for KVM ARM/virt guests.
Signed-off-by: NAndrea Bolognani <abologna@redhat.com>
Reviewed-by: NMasayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

docs/schemas/domaincommon.rng

@@ -1239,6 +1239,7 @@
             <choice>
               <value>hpet</value>
               <value>pit</value>
+              <value>armvtimer</value>
             </choice>
           </attribute>
           <optional>

src/conf/domain_conf.c

@@ -1063,6 +1063,7 @@ VIR_ENUM_IMPL(virDomainTimerName,
               "tsc",
               "kvmclock",
               "hypervclock",
+              "armvtimer",
 );
 
 VIR_ENUM_IMPL(virDomainTimerTrack,

src/conf/domain_conf.h

@@ -1993,6 +1993,7 @@ typedef enum {
     VIR_DOMAIN_TIMER_NAME_TSC,
     VIR_DOMAIN_TIMER_NAME_KVMCLOCK,
     VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK,
+    VIR_DOMAIN_TIMER_NAME_ARMVTIMER,
 
     VIR_DOMAIN_TIMER_NAME_LAST
 } virDomainTimerNameType;

src/libxl/libxl_conf.c

@@ -359,6 +359,7 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
         case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK:
         case VIR_DOMAIN_TIMER_NAME_RTC:
         case VIR_DOMAIN_TIMER_NAME_PIT:
+        case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("unsupported timer type (name) '%s'"),
                            virDomainTimerNameTypeToString(clock.timers[i]->name));

src/libxl/xen_common.c

@@ -2182,6 +2182,7 @@ xenFormatCPUFeatures(virConfPtr conf, virDomainDefPtr def)
         case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK:
         case VIR_DOMAIN_TIMER_NAME_RTC:
         case VIR_DOMAIN_TIMER_NAME_PIT:
+        case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("unsupported timer type (name) '%s'"),
                            virDomainTimerNameTypeToString(def->clock.timers[i]->name));

src/qemu/qemu_command.c

@@ -6199,6 +6199,7 @@ qemuBuildClockCommandLine(virCommandPtr cmd,
         case VIR_DOMAIN_TIMER_NAME_TSC:
         case VIR_DOMAIN_TIMER_NAME_KVMCLOCK:
         case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK:
+        case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
             /* Timers above are handled when building -cpu.  */
         case VIR_DOMAIN_TIMER_NAME_LAST:
             break;
@@ -6609,6 +6610,7 @@ qemuBuildCpuCommandLine(virCommandPtr cmd,
             if (timer->frequency > 0)
                 virBufferAsprintf(&buf, ",tsc-frequency=%lu", timer->frequency);
             break;
+        case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
         case VIR_DOMAIN_TIMER_NAME_PLATFORM:
         case VIR_DOMAIN_TIMER_NAME_PIT:
         case VIR_DOMAIN_TIMER_NAME_RTC:

src/qemu/qemu_domain.c

@@ -5428,6 +5428,9 @@ qemuDomainDefValidateClockTimers(const virDomainDef *def,
                 return -1;
             }
             break;
+
+        case VIR_DOMAIN_TIMER_NAME_ARMVTIMER:
+            break;
         }
     }