Add new <memballoon> model values for virtio transitional devices. Ex:

  <memballoon model='virtio-transitional'/>

* "virtio-transitional" maps to qemu "virtio-balloon-pci-transitional"
* "virtio-non-transitional" maps to qemu "virtio-balloon-pci-non-transitional"

Signed-off-by: Cole Robinson <crobi...@redhat.com>
---
 docs/formatdomain.html.in                             |  2 ++
 docs/schemas/domaincommon.rng                         |  2 ++
 src/conf/domain_conf.c                                |  5 ++++-
 src/conf/domain_conf.h                                |  2 ++
 src/libxl/libxl_conf.c                                |  2 ++
 src/qemu/qemu_command.c                               |  8 +++++++-
 src/qemu/qemu_domain.c                                |  4 +++-
 src/qemu/qemu_domain_address.c                        |  3 +++
 .../virtio-non-transitional.x86_64-3.1.0.args         |  5 ++++-
 .../virtio-non-transitional.x86_64-latest.args        |  4 +++-
 tests/qemuxml2argvdata/virtio-non-transitional.xml    |  2 +-
 .../virtio-transitional.x86_64-3.1.0.args             |  3 ++-
 .../virtio-transitional.x86_64-latest.args            |  3 ++-
 tests/qemuxml2argvdata/virtio-transitional.xml        |  2 +-
 tests/qemuxml2xmloutdata/virtio-non-transitional.xml  | 11 +++++++++--
 tests/qemuxml2xmloutdata/virtio-transitional.xml      |  6 ++++--
 16 files changed, 51 insertions(+), 13 deletions(-)

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 1f39601749..05f2beb237 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -7902,6 +7902,8 @@ qemu-kvm -net nic,model=? /dev/null
         </p>
         <ul>
           <li>'virtio' - default with QEMU/KVM</li>
+          <li>'virtio-transitional' (since 5.1.0)</li>
+          <li>'virtio-non-transitional' (since 5.1.0)</li>
           <li>'xen' - default with Xen</li>
         </ul>
       </dd>
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index a6783a55c7..ac7c558511 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -4090,6 +4090,8 @@
       <attribute name="model">
         <choice>
           <value>virtio</value>
+          <value>virtio-transitional</value>
+          <value>virtio-non-transitional</value>
           <value>xen</value>
           <value>none</value>
         </choice>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 9bfedcb219..b51c2a86ee 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -551,7 +551,10 @@ VIR_ENUM_IMPL(virDomainKeyWrapCipherName,
 VIR_ENUM_IMPL(virDomainMemballoonModel, VIR_DOMAIN_MEMBALLOON_MODEL_LAST,
               "virtio",
               "xen",
-              "none")
+              "none",
+              "virtio-transitional",
+              "virtio-non-transitional",
+);
 
 VIR_ENUM_IMPL(virDomainSmbiosMode, VIR_DOMAIN_SMBIOS_LAST,
               "none",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 5d24cb0259..f79b3e5f48 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1733,6 +1733,8 @@ typedef enum {
     VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO,
     VIR_DOMAIN_MEMBALLOON_MODEL_XEN,
     VIR_DOMAIN_MEMBALLOON_MODEL_NONE,
+    VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_TRANSITIONAL,
+    VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_NON_TRANSITIONAL,
 
     VIR_DOMAIN_MEMBALLOON_MODEL_LAST
 } virDomainMemballoonModel;
diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
index 73e988a3dc..4102a940b9 100644
--- a/src/libxl/libxl_conf.c
+++ b/src/libxl/libxl_conf.c
@@ -718,6 +718,8 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
         case VIR_DOMAIN_MEMBALLOON_MODEL_XEN:
             break;
         case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO:
+        case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_TRANSITIONAL:
+        case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_NON_TRANSITIONAL:
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("unsupported balloon device model '%s'"),
                            virDomainMemballoonModelTypeToString(model));
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index c63f9d49d0..614c9db291 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -502,6 +502,13 @@ qemuBuildVirtioDevStr(virBufferPtr buf,
             ntmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_9P_PCI_NON_TRANSITIONAL;
             break;
 
+        case VIR_DOMAIN_DEVICE_MEMBALLOON:
+            has_tmodel = device.data.memballoon->model == 
VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_TRANSITIONAL;
+            has_ntmodel = device.data.memballoon->model == 
VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_NON_TRANSITIONAL;
+            tmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_BALLOON_PCI_TRANSITIONAL;
+            ntmodel_cap = QEMU_CAPS_DEVICE_VIRTIO_BALLOON_PCI_NON_TRANSITIONAL;
+            break;
+
         case VIR_DOMAIN_DEVICE_LEASE:
         case VIR_DOMAIN_DEVICE_INPUT:
         case VIR_DOMAIN_DEVICE_SOUND:
@@ -514,7 +521,6 @@ qemuBuildVirtioDevStr(virBufferPtr buf,
         case VIR_DOMAIN_DEVICE_NONE:
         case VIR_DOMAIN_DEVICE_SMARTCARD:
         case VIR_DOMAIN_DEVICE_CHR:
-        case VIR_DOMAIN_DEVICE_MEMBALLOON:
         case VIR_DOMAIN_DEVICE_NVRAM:
         case VIR_DOMAIN_DEVICE_SHMEM:
         case VIR_DOMAIN_DEVICE_TPM:
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 52c73df9ea..0634ed6f39 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -6020,7 +6020,9 @@ qemuDomainDeviceDefValidateMemballoon(const 
virDomainMemballoonDef *memballoon,
         return 0;
     }
 
-    if (memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO) {
+    if (memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO &&
+        memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_TRANSITIONAL &&
+        memballoon->model != 
VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_NON_TRANSITIONAL) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                        _("Memory balloon device type '%s' is not supported by 
this version of qemu"),
                        
virDomainMemballoonModelTypeToString(memballoon->model));
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index e1fea7567f..5164bcd49b 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -852,7 +852,10 @@ 
qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDefPtr dev,
     case VIR_DOMAIN_DEVICE_MEMBALLOON:
         switch ((virDomainMemballoonModel) dev->data.memballoon->model) {
         case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO:
+        case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_NON_TRANSITIONAL:
             return virtioFlags;
+        case VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO_TRANSITIONAL:
+            return pciFlags;
 
         case VIR_DOMAIN_MEMBALLOON_MODEL_XEN:
         case VIR_DOMAIN_MEMBALLOON_MODEL_NONE:
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args 
b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args
index 38a9cab582..30e8e4244e 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-3.1.0.args
@@ -30,6 +30,7 @@ addr=0x1 \
 -device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \
 -device pcie-root-port,port=0xc,chassis=5,id=pci.5,bus=pcie.0,addr=0x1.0x4 \
 -device pcie-root-port,port=0xd,chassis=6,id=pci.6,bus=pcie.0,addr=0x1.0x5 \
+-device pcie-root-port,port=0xe,chassis=7,id=pci.7,bus=pcie.0,addr=0x1.0x6 \
 -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
 -device 
virtio-blk-pci,disable-legacy=on,disable-modern=off,scsi=off,bus=pci.3,\
 addr=0x0,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
@@ -41,9 +42,11 @@ fsdev=fsdev-fs0,mount_tag=fs1,bus=pci.1,addr=0x0 \
 id=net0,mac=00:11:22:33:44:55,bus=pci.2,addr=0x0 \
 -device vhost-scsi-pci,disable-legacy=on,disable-modern=off,\
 wwpn=naa.5123456789abcde0,vhostfd=3,id=hostdev0,bus=pci.4,addr=0x0 \
+-device virtio-balloon-pci,disable-legacy=on,disable-modern=off,id=balloon0,\
+bus=pci.5,addr=0x0 \
 -object rng-random,id=objrng0,filename=/dev/urandom \
 -device virtio-rng-pci,disable-legacy=on,disable-modern=off,rng=objrng0,\
-id=rng0,bus=pci.5,addr=0x0 \
+id=rng0,bus=pci.6,addr=0x0 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args 
b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
index 8c571c04f1..dbf7a4ef15 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.x86_64-latest.args
@@ -30,6 +30,7 @@ addr=0x1 \
 -device pcie-root-port,port=0xb,chassis=4,id=pci.4,bus=pcie.0,addr=0x1.0x3 \
 -device pcie-root-port,port=0xc,chassis=5,id=pci.5,bus=pcie.0,addr=0x1.0x4 \
 -device pcie-root-port,port=0xd,chassis=6,id=pci.6,bus=pcie.0,addr=0x1.0x5 \
+-device pcie-root-port,port=0xe,chassis=7,id=pci.7,bus=pcie.0,addr=0x1.0x6 \
 -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
 -device virtio-blk-pci-non-transitional,scsi=off,bus=pci.3,addr=0x0,\
 drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 \
@@ -41,8 +42,9 @@ bus=pci.1,addr=0x0 \
 mac=00:11:22:33:44:55,bus=pci.2,addr=0x0 \
 -device vhost-scsi-pci-non-transitional,wwpn=naa.5123456789abcde0,vhostfd=3,\
 id=hostdev0,bus=pci.4,addr=0x0 \
+-device virtio-balloon-pci-non-transitional,id=balloon0,bus=pci.5,addr=0x0 \
 -object rng-random,id=objrng0,filename=/dev/urandom \
--device virtio-rng-pci-non-transitional,rng=objrng0,id=rng0,bus=pci.5,addr=0x0 
\
+-device virtio-rng-pci-non-transitional,rng=objrng0,id=rng0,bus=pci.6,addr=0x0 
\
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-non-transitional.xml 
b/tests/qemuxml2argvdata/virtio-non-transitional.xml
index 5f14e082cd..b94ea58b5e 100644
--- a/tests/qemuxml2argvdata/virtio-non-transitional.xml
+++ b/tests/qemuxml2argvdata/virtio-non-transitional.xml
@@ -27,6 +27,6 @@
       <target dir='fs1'/>
     </filesystem>
     <controller type='usb' index='0' model='none'/>
-    <memballoon model='none'/>
+    <memballoon model='virtio-non-transitional'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args 
b/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
index 8fbeb6e937..c35e73ec45 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-3.1.0.args
@@ -37,8 +37,9 @@ id=virtio-disk0,bootindex=1 \
 addr=0x2 \
 -device vhost-scsi-pci,wwpn=naa.5123456789abcde0,vhostfd=3,id=hostdev0,\
 bus=pci.2,addr=0x4 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.2,addr=0x5 \
 -object rng-random,id=objrng0,filename=/dev/urandom \
--device virtio-rng-pci,rng=objrng0,id=rng0,bus=pci.2,addr=0x5 \
+-device virtio-rng-pci,rng=objrng0,id=rng0,bus=pci.2,addr=0x6 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args 
b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
index eb8da465f6..77332549bf 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
+++ b/tests/qemuxml2argvdata/virtio-transitional.x86_64-latest.args
@@ -38,8 +38,9 @@ bus=pci.2,addr=0x1 \
 mac=00:11:22:33:44:55,bus=pci.2,addr=0x2 \
 -device vhost-scsi-pci-transitional,wwpn=naa.5123456789abcde0,vhostfd=3,\
 id=hostdev0,bus=pci.2,addr=0x4 \
+-device virtio-balloon-pci-transitional,id=balloon0,bus=pci.2,addr=0x5 \
 -object rng-random,id=objrng0,filename=/dev/urandom \
--device virtio-rng-pci-transitional,rng=objrng0,id=rng0,bus=pci.2,addr=0x5 \
+-device virtio-rng-pci-transitional,rng=objrng0,id=rng0,bus=pci.2,addr=0x6 \
 -sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
 resourcecontrol=deny \
 -msg timestamp=on
diff --git a/tests/qemuxml2argvdata/virtio-transitional.xml 
b/tests/qemuxml2argvdata/virtio-transitional.xml
index 44639a970c..3bdb602a06 100644
--- a/tests/qemuxml2argvdata/virtio-transitional.xml
+++ b/tests/qemuxml2argvdata/virtio-transitional.xml
@@ -27,6 +27,6 @@
       <target dir='fs1'/>
     </filesystem>
     <controller type='usb' index='0' model='none'/>
-    <memballoon model='none'/>
+    <memballoon model='virtio-transitional'/>
   </devices>
 </domain>
diff --git a/tests/qemuxml2xmloutdata/virtio-non-transitional.xml 
b/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
index a903d44c34..7490dfdbbf 100644
--- a/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
+++ b/tests/qemuxml2xmloutdata/virtio-non-transitional.xml
@@ -55,6 +55,11 @@
       <target chassis='6' port='0xd'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x5'/>
     </controller>
+    <controller type='pci' index='7' model='pcie-root-port'>
+      <model name='pcie-root-port'/>
+      <target chassis='7' port='0xe'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' 
function='0x6'/>
+    </controller>
     <filesystem type='mount' accessmode='passthrough' 
model='virtio-9p-non-transitional'>
       <source dir='/export/fs1'/>
       <target dir='fs1'/>
@@ -71,10 +76,12 @@
       <source protocol='vhost' wwpn='naa.5123456789abcde0'/>
       <address type='pci' domain='0x0000' bus='0x04' slot='0x00' 
function='0x0'/>
     </hostdev>
-    <memballoon model='none'/>
+    <memballoon model='virtio-non-transitional'>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' 
function='0x0'/>
+    </memballoon>
     <rng model='virtio-non-transitional'>
       <backend model='random'>/dev/urandom</backend>
-      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' 
function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' 
function='0x0'/>
     </rng>
   </devices>
 </domain>
diff --git a/tests/qemuxml2xmloutdata/virtio-transitional.xml 
b/tests/qemuxml2xmloutdata/virtio-transitional.xml
index 4ae070fb2a..2a42ce6359 100644
--- a/tests/qemuxml2xmloutdata/virtio-transitional.xml
+++ b/tests/qemuxml2xmloutdata/virtio-transitional.xml
@@ -55,10 +55,12 @@
       <source protocol='vhost' wwpn='naa.5123456789abcde0'/>
       <address type='pci' domain='0x0000' bus='0x02' slot='0x04' 
function='0x0'/>
     </hostdev>
-    <memballoon model='none'/>
+    <memballoon model='virtio-transitional'>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x05' 
function='0x0'/>
+    </memballoon>
     <rng model='virtio-transitional'>
       <backend model='random'>/dev/urandom</backend>
-      <address type='pci' domain='0x0000' bus='0x02' slot='0x05' 
function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x06' 
function='0x0'/>
     </rng>
   </devices>
 </domain>
-- 
2.20.1

--
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