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[libvirt] [PATCH v3 20/26] tests: Add baseline tests for automatic PHB usage



These tests demonstrate that, while it's now possible for the
user to create PHB explicitly and manually assign devices to
them, libvirt still defaults to extending the guest PCI
topology using PCI bridges and making suboptimal device
placement choices.

The next few commits will improve on these behaviors and the
tests outputs will automatically be updated to reflect this.

Signed-off-by: Andrea Bolognani <abologna redhat com>
---
 .../qemuxml2argv-pseries-hostdevs-1.args           |  23 ++++
 .../qemuxml2argv-pseries-hostdevs-1.xml            |  38 +++++++
 .../qemuxml2argv-pseries-hostdevs-2.args           |  24 ++++
 .../qemuxml2argv-pseries-hostdevs-2.xml            |  37 ++++++
 .../qemuxml2argv-pseries-hostdevs-3.args           |  24 ++++
 .../qemuxml2argv-pseries-hostdevs-3.xml            |  31 +++++
 .../qemuxml2argv-pseries-many-buses-1.args         |  22 ++++
 .../qemuxml2argv-pseries-many-buses-1.xml          |  19 ++++
 .../qemuxml2argv-pseries-many-buses-2.args         |  22 ++++
 .../qemuxml2argv-pseries-many-buses-2.xml          |  18 +++
 .../qemuxml2argv-pseries-many-devices.args         |  53 +++++++++
 .../qemuxml2argv-pseries-many-devices.xml          |  48 ++++++++
 tests/qemuxml2argvtest.c                           |  36 ++++++
 .../qemuxml2xmlout-pseries-hostdevs-1.xml          |  46 ++++++++
 .../qemuxml2xmlout-pseries-hostdevs-2.xml          |  47 ++++++++
 .../qemuxml2xmlout-pseries-hostdevs-3.xml          |  49 ++++++++
 .../qemuxml2xmlout-pseries-many-buses-1.xml        |  33 ++++++
 .../qemuxml2xmlout-pseries-many-buses-2.xml        |  34 ++++++
 .../qemuxml2xmlout-pseries-many-devices.xml        | 126 +++++++++++++++++++++
 tests/qemuxml2xmltest.c                            |  36 ++++++
 20 files changed, 766 insertions(+)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-1.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-2.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-3.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-1.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-2.xml
 create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-devices.xml

diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.args b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.args
new file mode 100644
index 0000000..88eb081
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.args
@@ -0,0 +1,23 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name guest \
+-S \
+-M pseries \
+-m 512 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-guest/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-boot c \
+-device vfio-pci,host=0001:01:00.0,id=hostdev0,bus=pci.0,addr=0x1 \
+-device vfio-pci,host=0005:90:01.0,id=hostdev1,bus=pci.0,addr=0x2 \
+-device vfio-pci,host=0001:01:00.1,id=hostdev2,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.xml
new file mode 100644
index 0000000..87fe145
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-1.xml
@@ -0,0 +1,38 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <!-- This hostdev will cause a new PHB to be created because its
+         isolation group is 2 -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x0'/>
+      </source>
+    </hostdev>
+    <!-- This hostdev can't share the PHB that was just created, because
+         its isolation group is 3 -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0005' bus='0x90' slot='0x01' function='0x0'/>
+      </source>
+    </hostdev>
+    <!-- This hostdev will be placed on the first PHB, since its isolation
+         group is 2 just like the first hostdev -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x1'/>
+      </source>
+    </hostdev>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.args b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.args
new file mode 100644
index 0000000..c43e15d
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.args
@@ -0,0 +1,24 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name guest \
+-S \
+-M pseries \
+-m 512 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-guest/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-boot c \
+-device pci-bridge,chassis_nr=1,id=pci.1,bus=pci.0,addr=0x1 \
+-device virtio-scsi-pci,id=scsi0,bus=pci.1,addr=0x1 \
+-device vfio-pci,host=0001:01:00.0,id=hostdev0,bus=pci.1,addr=0x2 \
+-device vfio-pci,host=0005:90:01.0,id=hostdev1,bus=pci.0,addr=0x2
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.xml
new file mode 100644
index 0000000..551b588
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-2.xml
@@ -0,0 +1,37 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <!-- This device will cause a new PHB to be created because of its
+         address -->
+    <controller type='scsi' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x01' function='0x0'/>
+    </controller>
+    <!-- This hostdev will share the same PHB as the SCSI controller
+         despite being in a separate isolation group, because the
+         address has been requested explicitly by the user -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x02' function='0x0'/>
+    </hostdev>
+    <!-- This hostdev can use neither the PHB that was just created, nor
+         the default one, because its isolation group is 3 -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0005' bus='0x90' slot='0x01' function='0x0'/>
+      </source>
+    </hostdev>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.args b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.args
new file mode 100644
index 0000000..99df2e7
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.args
@@ -0,0 +1,24 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name guest \
+-S \
+-M pseries \
+-m 512 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-guest/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-boot c \
+-device pci-bridge,chassis_nr=1,id=pci.1,bus=pci.0,addr=0x1 \
+-device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.0,addr=0x2 \
+-device vfio-pci,host=0001:01:00.0,id=hostdev0,bus=pci.2,addr=0x1 \
+-device vfio-pci,host=0001:01:00.1,id=hostdev1,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.xml
new file mode 100644
index 0000000..0e61a17
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-hostdevs-3.xml
@@ -0,0 +1,31 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <!-- This hostdev will cause a new PHB to be created because its
+         isolation group is 2. It will be PHB 2 due to the address -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x01' function='0x0'/>
+    </hostdev>
+    <!-- This hostdev will be placed on the same PHB, since its isolation
+         group is also 2 -->
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x1'/>
+      </source>
+    </hostdev>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.args b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.args
new file mode 100644
index 0000000..bf78fc1
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.args
@@ -0,0 +1,22 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name guest \
+-S \
+-M pseries \
+-m 512 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-guest/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-boot c \
+-device pci-bridge,chassis_nr=1,id=pci.1,bus=pci.0,addr=0x1 \
+-device virtio-scsi-pci,id=scsi0,bus=pci.1,addr=0x1
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.xml
new file mode 100644
index 0000000..c52349d
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-1.xml
@@ -0,0 +1,19 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <!-- The SCSI controller is plugged into PCI bus 1, but since said bus
+         is not present in the configuration libvirt will have to add it -->
+    <controller type='scsi' model='virtio-scsi'>
+      <address type='pci' bus='1' slot='1'/>
+    </controller>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.args b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.args
new file mode 100644
index 0000000..1cb5831
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.args
@@ -0,0 +1,22 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name guest \
+-S \
+-M pseries \
+-m 512 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-guest/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-boot c \
+-device spapr-pci-host-bridge,index=1,id=pci.2 \
+-device pci-bridge,chassis_nr=1,id=pci.1,bus=pci.0,addr=0x1
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.xml
new file mode 100644
index 0000000..7065626
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-buses-2.xml
@@ -0,0 +1,18 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <!-- PCI buses 0 and 2 are present in the configuration, libvirt will
+         have to fill in the blanks and add bus 1 -->
+    <controller type='pci' index='0' model='pci-root'/>
+    <controller type='pci' index='2' model='pci-root'/>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.args b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.args
new file mode 100644
index 0000000..1db4533
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.args
@@ -0,0 +1,53 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name guest \
+-S \
+-M pseries \
+-m 512 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-guest/monitor.sock,\
+server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=readline \
+-boot c \
+-device pci-bridge,chassis_nr=1,id=pci.1,bus=pci.0,addr=0x1 \
+-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x2 \
+-device virtio-scsi-pci,id=scsi1,bus=pci.0,addr=0x3 \
+-device virtio-scsi-pci,id=scsi2,bus=pci.0,addr=0x4 \
+-device virtio-scsi-pci,id=scsi3,bus=pci.0,addr=0x5 \
+-device virtio-scsi-pci,id=scsi4,bus=pci.0,addr=0x6 \
+-device virtio-scsi-pci,id=scsi5,bus=pci.0,addr=0x7 \
+-device virtio-scsi-pci,id=scsi6,bus=pci.0,addr=0x8 \
+-device virtio-scsi-pci,id=scsi7,bus=pci.0,addr=0x9 \
+-device virtio-scsi-pci,id=scsi8,bus=pci.0,addr=0xa \
+-device virtio-scsi-pci,id=scsi9,bus=pci.0,addr=0xb \
+-device virtio-scsi-pci,id=scsi10,bus=pci.0,addr=0xc \
+-device virtio-scsi-pci,id=scsi11,bus=pci.0,addr=0xd \
+-device virtio-scsi-pci,id=scsi12,bus=pci.0,addr=0xe \
+-device virtio-scsi-pci,id=scsi13,bus=pci.0,addr=0xf \
+-device virtio-scsi-pci,id=scsi14,bus=pci.0,addr=0x10 \
+-device virtio-scsi-pci,id=scsi15,bus=pci.0,addr=0x11 \
+-device virtio-scsi-pci,id=scsi16,bus=pci.0,addr=0x12 \
+-device virtio-scsi-pci,id=scsi17,bus=pci.0,addr=0x13 \
+-device virtio-scsi-pci,id=scsi18,bus=pci.0,addr=0x14 \
+-device virtio-scsi-pci,id=scsi19,bus=pci.0,addr=0x15 \
+-device virtio-scsi-pci,id=scsi20,bus=pci.0,addr=0x16 \
+-device virtio-scsi-pci,id=scsi21,bus=pci.0,addr=0x17 \
+-device virtio-scsi-pci,id=scsi22,bus=pci.0,addr=0x18 \
+-device virtio-scsi-pci,id=scsi23,bus=pci.0,addr=0x19 \
+-device virtio-scsi-pci,id=scsi24,bus=pci.0,addr=0x1a \
+-device virtio-scsi-pci,id=scsi25,bus=pci.0,addr=0x1b \
+-device virtio-scsi-pci,id=scsi26,bus=pci.0,addr=0x1c \
+-device virtio-scsi-pci,id=scsi27,bus=pci.0,addr=0x1d \
+-device virtio-scsi-pci,id=scsi28,bus=pci.0,addr=0x1e \
+-device virtio-scsi-pci,id=scsi29,bus=pci.0,addr=0x1f \
+-device virtio-scsi-pci,id=scsi30,bus=pci.1,addr=0x1 \
+-device virtio-scsi-pci,id=scsi31,bus=pci.1,addr=0x2
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.xml b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.xml
new file mode 100644
index 0000000..f3daba4
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-pseries-many-devices.xml
@@ -0,0 +1,48 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <!-- pci-root has 31 slots and there are 32 SCSI controllers here, so
+         libvirt will automatically add at least one more PCI controller -->
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='scsi' model='virtio-scsi'/>
+    <controller type='usb' model='none'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index ff68884..137f59a 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1717,6 +1717,42 @@ mymain(void)
             QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_CHARDEV,
             QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE);
 
+    DO_TEST("pseries-many-devices",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI);
+    DO_TEST("pseries-many-buses-1",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI);
+    DO_TEST("pseries-many-buses-2",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI);
+    DO_TEST("pseries-hostdevs-1",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_HOST_PCI_MULTIDOMAIN,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
+    DO_TEST("pseries-hostdevs-2",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_HOST_PCI_MULTIDOMAIN,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
+    DO_TEST("pseries-hostdevs-3",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_HOST_PCI_MULTIDOMAIN,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
+
     DO_TEST("disk-ide-drive-split",
             QEMU_CAPS_NODEFCONFIG,
             QEMU_CAPS_IDE_CD);
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-1.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-1.xml
new file mode 100644
index 0000000..34defea
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-1.xml
@@ -0,0 +1,46 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <currentMemory unit='KiB'>524288</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='0'/>
+    </controller>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </hostdev>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0005' bus='0x90' slot='0x01' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </hostdev>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x1'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </hostdev>
+    <memballoon model='none'/>
+    <panic model='pseries'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-2.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-2.xml
new file mode 100644
index 0000000..62bead5
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-2.xml
@@ -0,0 +1,47 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <currentMemory unit='KiB'>524288</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='scsi' index='0' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='0'/>
+    </controller>
+    <controller type='pci' index='1' model='pci-bridge'>
+      <model name='pci-bridge'/>
+      <target chassisNr='1'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x02' function='0x0'/>
+    </hostdev>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0005' bus='0x90' slot='0x01' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </hostdev>
+    <memballoon model='none'/>
+    <panic model='pseries'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-3.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-3.xml
new file mode 100644
index 0000000..77c0909
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-hostdevs-3.xml
@@ -0,0 +1,49 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <currentMemory unit='KiB'>524288</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='0'/>
+    </controller>
+    <controller type='pci' index='1' model='pci-bridge'>
+      <model name='pci-bridge'/>
+      <target chassisNr='1'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='pci' index='2' model='pci-bridge'>
+      <model name='pci-bridge'/>
+      <target chassisNr='2'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </controller>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x0'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x02' slot='0x01' function='0x0'/>
+    </hostdev>
+    <hostdev mode='subsystem' type='pci' managed='yes'>
+      <driver name='vfio'/>
+      <source>
+        <address domain='0x0001' bus='0x01' slot='0x00' function='0x1'/>
+      </source>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </hostdev>
+    <memballoon model='none'/>
+    <panic model='pseries'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-1.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-1.xml
new file mode 100644
index 0000000..9044936
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-1.xml
@@ -0,0 +1,33 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <currentMemory unit='KiB'>524288</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='scsi' index='0' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='0'/>
+    </controller>
+    <controller type='pci' index='1' model='pci-bridge'>
+      <model name='pci-bridge'/>
+      <target chassisNr='1'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <memballoon model='none'/>
+    <panic model='pseries'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-2.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-2.xml
new file mode 100644
index 0000000..75dfabf
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-buses-2.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <currentMemory unit='KiB'>524288</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='pci' index='0' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='0'/>
+    </controller>
+    <controller type='pci' index='2' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='1'/>
+    </controller>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='1' model='pci-bridge'>
+      <model name='pci-bridge'/>
+      <target chassisNr='1'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <memballoon model='none'/>
+    <panic model='pseries'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-devices.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-devices.xml
new file mode 100644
index 0000000..b596fe6
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-pseries-many-devices.xml
@@ -0,0 +1,126 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>524288</memory>
+  <currentMemory unit='KiB'>524288</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='pseries'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='scsi' index='0' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='1' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='2' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='3' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='4' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='5' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='6' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='7' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='8' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='9' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='10' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='11' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0d' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='12' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0e' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='13' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0f' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='14' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x10' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='15' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x11' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='16' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x12' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='17' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x13' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='18' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x14' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='19' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x15' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='20' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x16' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='21' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x17' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='22' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x18' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='23' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x19' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='24' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1a' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='25' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='26' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1c' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='27' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='28' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1e' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='29' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='30' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='scsi' index='31' model='virtio-scsi'>
+      <address type='pci' domain='0x0000' bus='0x01' slot='0x02' function='0x0'/>
+    </controller>
+    <controller type='usb' index='0' model='none'/>
+    <controller type='pci' index='0' model='pci-root'>
+      <model name='spapr-pci-host-bridge'/>
+      <target index='0'/>
+    </controller>
+    <controller type='pci' index='1' model='pci-bridge'>
+      <model name='pci-bridge'/>
+      <target chassisNr='1'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <memballoon model='none'/>
+    <panic model='pseries'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index a0a846c..312e2b1 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -683,6 +683,42 @@ mymain(void)
             QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_CHARDEV,
             QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE);
 
+    DO_TEST("pseries-many-devices",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI);
+    DO_TEST("pseries-many-buses-1",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI);
+    DO_TEST("pseries-many-buses-2",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI);
+    DO_TEST("pseries-hostdevs-1",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_HOST_PCI_MULTIDOMAIN,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
+    DO_TEST("pseries-hostdevs-2",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_HOST_PCI_MULTIDOMAIN,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
+    DO_TEST("pseries-hostdevs-3",
+            QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+            QEMU_CAPS_DEVICE_SPAPR_PCI_HOST_BRIDGE,
+            QEMU_CAPS_HOST_PCI_MULTIDOMAIN,
+            QEMU_CAPS_DEVICE_PCI_BRIDGE,
+            QEMU_CAPS_VIRTIO_SCSI,
+            QEMU_CAPS_DEVICE_VFIO_PCI);
+
     DO_TEST("balloon-device-auto", NONE);
     DO_TEST("balloon-device-period", NONE);
     DO_TEST("channel-virtio-auto", NONE);
-- 
2.7.5


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