qemu: report IDE bus in domain capabilities only if it's supported

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1441964Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

src/qemu/qemu_capabilities.c

@@ -5547,8 +5547,10 @@ virQEMUCapsFillDomainDeviceDiskCaps(virQEMUCapsPtr qemuCaps,
     if (!qemuDomainMachineIsPSeries(machine, qemuCaps->arch))
         VIR_DOMAIN_CAPS_ENUM_SET(disk->diskDevice, VIR_DOMAIN_DISK_DEVICE_FLOPPY);
 
+    if (qemuDomainMachineHasBuiltinIDE(machine))
+        VIR_DOMAIN_CAPS_ENUM_SET(disk->bus, VIR_DOMAIN_DISK_BUS_IDE);
+
     VIR_DOMAIN_CAPS_ENUM_SET(disk->bus,
-                             VIR_DOMAIN_DISK_BUS_IDE,
                              VIR_DOMAIN_DISK_BUS_SCSI,
                              VIR_DOMAIN_DISK_BUS_VIRTIO,
                              /* VIR_DOMAIN_DISK_BUS_SD */);

tests/domaincapsschemadata/qemu_2.6.0-gicv2-virt.aarch64.xml

@@ -63,7 +63,6 @@
         <value>lun</value>
       </enum>
       <enum name='bus'>
-        <value>ide</value>
         <value>fdc</value>
         <value>scsi</value>
         <value>virtio</value>

tests/domaincapsschemadata/qemu_2.6.0-gicv3-virt.aarch64.xml

@@ -63,7 +63,6 @@
         <value>lun</value>
       </enum>
       <enum name='bus'>
-        <value>ide</value>
         <value>fdc</value>
         <value>scsi</value>
         <value>virtio</value>

tests/domaincapsschemadata/qemu_2.6.0.aarch64.xml

@@ -63,7 +63,6 @@
         <value>lun</value>
       </enum>
       <enum name='bus'>
-        <value>ide</value>
         <value>fdc</value>
         <value>scsi</value>
         <value>virtio</value>

tests/domaincapsschemadata/qemu_2.6.0.ppc64le.xml

@@ -37,7 +37,6 @@
         <value>lun</value>
       </enum>
       <enum name='bus'>
-        <value>ide</value>
         <value>scsi</value>
         <value>virtio</value>
         <value>usb</value>

tests/domaincapsschemadata/qemu_2.7.0.s390x.xml

@@ -32,7 +32,6 @@
         <value>lun</value>
       </enum>
       <enum name='bus'>
-        <value>ide</value>
         <value>fdc</value>
         <value>scsi</value>
         <value>virtio</value>

tests/domaincapsschemadata/qemu_2.8.0.s390x.xml

@@ -113,7 +113,6 @@
         <value>lun</value>
       </enum>
       <enum name='bus'>
-        <value>ide</value>
         <value>fdc</value>
         <value>scsi</value>
         <value>virtio</value>