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libvirt/0001-qemu-support-virt-2.6-machine-type-on-arm.patch
Cole Robinson 8fa41135ca libvirt assigns same address to two PCI devices (bz #1325085) 
Fix build with -Werror
2016-04-14 19:46:33 -04:00

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From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Fri, 8 Apr 2016 10:46:41 +0200
Subject: [PATCH] qemu: support virt-2.6 machine type on arm
Some places already check for "virt-" prefix as well as plain "virt".
virQEMUCapsHasPCIMultiBus did not, resulting in multiple PCI devices
having assigned the same unnumbered "pci" alias.
Add a test for the "virt-2.6" machine type which also omits the
<model type='virtio'/> in <interface>, to check if
qemuDomainDefaultNetModel works too.
https://bugzilla.redhat.com/show_bug.cgi?id=1325085
(cherry picked from commit f06ca25d235433f9139cbfb3d5d9eae7409156b9)
---
src/qemu/qemu_capabilities.c | 3 +-
src/qemu/qemu_domain.c | 3 +-
...l2argv-aarch64-virt-2.6-virtio-pci-default.args | 37 +++++++++++++++++
...ml2argv-aarch64-virt-2.6-virtio-pci-default.xml | 47 ++++++++++++++++++++++
tests/qemuxml2argvtest.c | 6 +++
5 files changed, 94 insertions(+), 2 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.xml
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 2823843..57e2056 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -2172,7 +2172,8 @@ bool virQEMUCapsHasPCIMultiBus(virQEMUCapsPtr qemuCaps,
/* If 'virt' supports PCI, it supports multibus.
* No extra conditions here for simplicity.
*/
- if (STREQ(def->os.machine, "virt"))
+ if (STREQ(def->os.machine, "virt") ||
+ STRPREFIX(def->os.machine, "virt-"))
return true;
}
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index f38b0f3..d9d5041 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -1479,7 +1479,8 @@ qemuDomainDefaultNetModel(const virDomainDef *def,
if (STREQ(def->os.machine, "versatilepb"))
return "smc91c111";
- if (STREQ(def->os.machine, "virt"))
+ if (STREQ(def->os.machine, "virt") ||
+ STRPREFIX(def->os.machine, "virt-"))
return "virtio";
/* Incomplete. vexpress (and a few others) use this, but not all
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.args b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.args
new file mode 100644
index 0000000..93c181d
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.args
@@ -0,0 +1,37 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-aarch64 \
+-name aarch64test \
+-S \
+-M virt-2.6 \
+-cpu cortex-a53 \
+-m 1024 \
+-smp 1 \
+-uuid 496d7ea8-9739-544b-4ebd-ef08be936e8b \
+-nographic \
+-nodefconfig \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-aarch64test/monitor.sock,server,nowait \
+-boot c \
+-kernel /aarch64.kernel \
+-initrd /aarch64.initrd \
+-append 'earlyprintk console=ttyAMA0,115200n8 rw root=/dev/vda rootwait' \
+-dtb /aarch64.dtb \
+-device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1 \
+-device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x1 \
+-device virtio-serial-device,id=virtio-serial0 \
+-usb \
+-drive file=/aarch64.raw,format=raw,if=none,id=drive-virtio-disk0 \
+-device virtio-blk-device,drive=drive-virtio-disk0,id=virtio-disk0 \
+-device virtio-net-device,vlan=0,id=net0,mac=52:54:00:09:a4:37 \
+-net user,vlan=0,name=hostnet0 \
+-serial pty \
+-chardev pty,id=charconsole1 \
+-device virtconsole,chardev=charconsole1,id=console1 \
+-device virtio-balloon-device,id=balloon0 \
+-object rng-random,id=objrng0,filename=/dev/random \
+-device virtio-rng-device,rng=objrng0,id=rng0
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.xml b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.xml
new file mode 100644
index 0000000..e745101
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-virt-2.6-virtio-pci-default.xml
@@ -0,0 +1,47 @@
+<domain type="qemu">
+ <name>aarch64test</name>
+ <uuid>496d7ea8-9739-544b-4ebd-ef08be936e8b</uuid>
+ <memory>1048576</memory>
+ <currentMemory>1048576</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch="aarch64" machine="virt-2.6">hvm</type>
+ <kernel>/aarch64.kernel</kernel>
+ <initrd>/aarch64.initrd</initrd>
+ <dtb>/aarch64.dtb</dtb>
+ <cmdline>earlyprintk console=ttyAMA0,115200n8 rw root=/dev/vda rootwait</cmdline>
+ </os>
+ <features>
+ <acpi/>
+ <apic/>
+ <pae/>
+ </features>
+ <cpu match='exact'>
+ <model>cortex-a53</model>
+ </cpu>
+ <clock offset="utc"/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>restart</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-aarch64</emulator>
+ <disk type='file' device='disk'>
+ <source file='/aarch64.raw'/>
+ <target dev='vda' bus='virtio'/>
+ </disk>
+ <interface type='user'>
+ <mac address='52:54:00:09:a4:37'/>
+ </interface>
+ <console type='pty'/>
+ <console type='pty'>
+ <target type='virtio' port='0'/>
+ </console>
+ <memballoon model='virtio'/>
+ <!--
+ This actually doesn't work in practice because vexpress only has
+ 4 virtio slots available, rng makes 5 -->
+ <rng model='virtio'>
+ <backend model='random'>/dev/random</backend>
+ </rng>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index e9b8d64..d1b9e98 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1661,6 +1661,12 @@ mymain(void)
QEMU_CAPS_DEVICE_VIRTIO_RNG, QEMU_CAPS_OBJECT_RNG_RANDOM,
QEMU_CAPS_OBJECT_GPEX, QEMU_CAPS_DEVICE_PCI_BRIDGE,
QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE);
+ DO_TEST("aarch64-virt-2.6-virtio-pci-default",
+ QEMU_CAPS_NODEFCONFIG, QEMU_CAPS_DTB,
+ QEMU_CAPS_DEVICE_VIRTIO_MMIO,
+ QEMU_CAPS_DEVICE_VIRTIO_RNG, QEMU_CAPS_OBJECT_RNG_RANDOM,
+ QEMU_CAPS_OBJECT_GPEX, QEMU_CAPS_DEVICE_PCI_BRIDGE,
+ QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE);
/* Example of using virtio-pci with no explicit PCI controller
but with manual PCI addresses */
DO_TEST("aarch64-virtio-pci-manual-addresses",
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