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From 81b2604ee418dc5fd5158406d32868c8d15f3256 Mon Sep 17 00:00:00 2001
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Message-Id: <81b2604ee418dc5fd5158406d32868c8d15f3256@dist-git>
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From: Laine Stump <laine@laine.org>
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Date: Wed, 12 Sep 2018 11:23:47 -0400
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Subject: [PATCH] conf: correct false boot order error during domain parse
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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virDomainDefCollectBootOrder() is called for every item on the list
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for each type of device. One of the checks it makes is to gather the
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order attributes from the <boot> element of all devices, and assure
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that no two devices have been given the same order.
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Since (internally to libvirt, *not* in the domain XML) an
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type='hostdev'> is on both the list of hostdev devices and the list of
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network devices, it will be counted twice, and the code that checks
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for multiple devices with the same boot order will give a false
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positive.
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To remedy this, we make sure to return early for hostdev devices that
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have a parent.type != NONE.
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This was introduced in commit 5b75a4, which was first in libvirt-4.4.0.
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Resolves: https://bugzilla.redhat.com/1601318
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Signed-off-by: Laine Stump <laine@laine.org>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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(cherry picked from commit 7ea7342996d74591e00bcbf14b1eb3995f77a199)
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Signed-off-by: Laine Stump <laine@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/conf/domain_conf.c | 8 ++++
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.../net-hostdev-bootorder.args | 27 ++++++++++++
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.../net-hostdev-bootorder.xml | 36 ++++++++++++++++
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tests/qemuxml2argvtest.c | 2 +
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.../net-hostdev-bootorder.xml | 42 +++++++++++++++++++
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tests/qemuxml2xmltest.c | 2 +
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6 files changed, 117 insertions(+)
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create mode 100644 tests/qemuxml2argvdata/net-hostdev-bootorder.args
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create mode 100644 tests/qemuxml2argvdata/net-hostdev-bootorder.xml
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create mode 100644 tests/qemuxml2xmloutdata/net-hostdev-bootorder.xml
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index ed9687fde9..eb4e9ac523 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -5072,6 +5072,14 @@ virDomainDefCollectBootOrder(virDomainDefPtr def ATTRIBUTE_UNUSED,
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if (info->bootIndex == 0)
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return 0;
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+ if (dev->type == VIR_DOMAIN_DEVICE_HOSTDEV &&
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+ dev->data.hostdev->parent.type != VIR_DOMAIN_DEVICE_NONE) {
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+ /* This hostdev is a child of a higher level device
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+ * (e.g. interface), and thus already being counted on the
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+ * list for the other device type.
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+ */
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+ return 0;
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+ }
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if (virAsprintf(&order, "%u", info->bootIndex) < 0)
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goto cleanup;
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diff --git a/tests/qemuxml2argvdata/net-hostdev-bootorder.args b/tests/qemuxml2argvdata/net-hostdev-bootorder.args
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new file mode 100644
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index 0000000000..e632d9b195
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--- /dev/null
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+++ b/tests/qemuxml2argvdata/net-hostdev-bootorder.args
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@@ -0,0 +1,27 @@
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+LC_ALL=C \
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+PATH=/bin \
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+HOME=/home/test \
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+USER=test \
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+LOGNAME=test \
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+QEMU_AUDIO_DRV=none \
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+/usr/bin/qemu-system-i686 \
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+-name QEMUGuest1 \
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+-S \
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+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
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+-m 214 \
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+-smp 1,sockets=1,cores=1,threads=1 \
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+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
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+-display none \
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+-no-user-config \
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+-nodefaults \
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+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,\
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+server,nowait \
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+-mon chardev=charmonitor,id=monitor,mode=control \
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+-rtc base=utc \
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+-no-shutdown \
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+-no-acpi \
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+-usb \
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+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-ide0-0-0 \
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+-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,\
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+bootindex=2 \
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+-device pci-assign,host=03:07.1,id=hostdev0,bootindex=1,bus=pci.0,addr=0x3
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diff --git a/tests/qemuxml2argvdata/net-hostdev-bootorder.xml b/tests/qemuxml2argvdata/net-hostdev-bootorder.xml
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new file mode 100644
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index 0000000000..cd9f32b2f3
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--- /dev/null
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+++ b/tests/qemuxml2argvdata/net-hostdev-bootorder.xml
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@@ -0,0 +1,36 @@
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+<domain type='qemu'>
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+ <name>QEMUGuest1</name>
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+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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+ <memory unit='KiB'>219136</memory>
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+ <currentMemory unit='KiB'>219136</currentMemory>
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+ <vcpu placement='static'>1</vcpu>
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+ <os>
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+ <type arch='i686' machine='pc'>hvm</type>
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+ </os>
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+ <clock offset='utc'/>
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+ <on_poweroff>destroy</on_poweroff>
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+ <on_reboot>restart</on_reboot>
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+ <on_crash>destroy</on_crash>
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+ <devices>
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+ <emulator>/usr/bin/qemu-system-i686</emulator>
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+ <disk type='block' device='disk'>
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+ <source dev='/dev/HostVG/QEMUGuest1'/>
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+ <target dev='hda' bus='ide'/>
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+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
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+ <boot order='2'/>
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+ </disk>
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+ <controller type='usb' index='0'/>
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+ <controller type='ide' index='0'/>
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+ <controller type='pci' index='0' model='pci-root'/>
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+ <interface type='hostdev' managed='yes'>
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+ <mac address='00:11:22:33:44:55'/>
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+ <source>
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+ <address type='pci' domain='0x0000' bus='0x03' slot='0x07' function='0x1'/>
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+ </source>
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+ <boot order='1'/>
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+ </interface>
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+ <input type='mouse' bus='ps2'/>
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+ <input type='keyboard' bus='ps2'/>
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+ <memballoon model='none'/>
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+ </devices>
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+</domain>
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diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
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index 02bb9889ee..d97dc0ea8d 100644
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--- a/tests/qemuxml2argvtest.c
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+++ b/tests/qemuxml2argvtest.c
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@@ -1321,6 +1321,8 @@ mymain(void)
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DO_TEST("net-mcast", NONE);
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DO_TEST("net-udp", NONE);
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DO_TEST("net-hostdev", NONE);
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+ DO_TEST("net-hostdev-bootorder",
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+ QEMU_CAPS_BOOTINDEX, QEMU_CAPS_PCI_BOOTINDEX);
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DO_TEST("net-hostdev-multidomain", NONE);
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DO_TEST("net-hostdev-vfio",
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QEMU_CAPS_DEVICE_VFIO_PCI);
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diff --git a/tests/qemuxml2xmloutdata/net-hostdev-bootorder.xml b/tests/qemuxml2xmloutdata/net-hostdev-bootorder.xml
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new file mode 100644
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index 0000000000..d9ecf40cf0
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--- /dev/null
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+++ b/tests/qemuxml2xmloutdata/net-hostdev-bootorder.xml
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@@ -0,0 +1,42 @@
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+<domain type='qemu'>
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+ <name>QEMUGuest1</name>
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+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
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+ <memory unit='KiB'>219136</memory>
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+ <currentMemory unit='KiB'>219136</currentMemory>
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+ <vcpu placement='static'>1</vcpu>
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+ <os>
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+ <type arch='i686' machine='pc'>hvm</type>
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+ </os>
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+ <clock offset='utc'/>
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+ <on_poweroff>destroy</on_poweroff>
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+ <on_reboot>restart</on_reboot>
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+ <on_crash>destroy</on_crash>
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+ <devices>
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+ <emulator>/usr/bin/qemu-system-i686</emulator>
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+ <disk type='block' device='disk'>
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+ <driver name='qemu' type='raw'/>
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+ <source dev='/dev/HostVG/QEMUGuest1'/>
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+ <target dev='hda' bus='ide'/>
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+ <boot order='2'/>
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+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
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+ </disk>
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+ <controller type='usb' index='0'>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
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+ </controller>
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+ <controller type='ide' index='0'>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
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+ </controller>
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+ <controller type='pci' index='0' model='pci-root'/>
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+ <interface type='hostdev' managed='yes'>
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+ <mac address='00:11:22:33:44:55'/>
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+ <source>
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+ <address type='pci' domain='0x0000' bus='0x03' slot='0x07' function='0x1'/>
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+ </source>
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+ <boot order='1'/>
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+ <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
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+ </interface>
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+ <input type='mouse' bus='ps2'/>
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+ <input type='keyboard' bus='ps2'/>
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+ <memballoon model='none'/>
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+ </devices>
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+</domain>
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diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
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index b76410b2c1..5bd522e765 100644
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--- a/tests/qemuxml2xmltest.c
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+++ b/tests/qemuxml2xmltest.c
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@@ -454,6 +454,8 @@ mymain(void)
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DO_TEST("net-virtio-network-portgroup", NONE);
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DO_TEST("net-virtio-rxtxqueuesize", NONE);
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DO_TEST("net-hostdev", NONE);
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+ DO_TEST("net-hostdev-bootorder",
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+ QEMU_CAPS_BOOTINDEX, QEMU_CAPS_PCI_BOOTINDEX);
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DO_TEST("net-hostdev-vfio", NONE);
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DO_TEST("net-midonet", NONE);
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DO_TEST("net-openvswitch", NONE);
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--
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2.19.0
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