[PATCH v2 3/4] qemu: assign e1000e network devices to PCIe controllers when appropriate

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The e1000e is an emulated network device based on the Intel 82574,
present in qemu 2.7.0 and later. Among other differences from the
e1000, it presents itself as a PCIe device rather than legacy PCI. In
order to get it assigned to a PCIe controller, this patch updates the
flags setting for network devices when the model name is "e1000e".

(Note that for some reason libvirt has never validated the network
device model names other than to check that there are no dangerous
characters in them. That should probably change, but is the subject of
another patch.)

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1343094
---
 src/qemu/qemu_domain_address.c                     |  2 ++
 tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.args  | 24 +++++++++++--------
 tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.xml   |  5 ++++
 .../qemuxml2argv-q35-virtio-pci.args               |  4 ++++
 .../qemuxml2argv-q35-virtio-pci.xml                |  5 ++++
 .../qemuxml2xmloutdata/qemuxml2xmlout-q35-pcie.xml | 28 +++++++++++++++-------
 .../qemuxml2xmlout-q35-virtio-pci.xml              | 10 ++++++++
 7 files changed, 59 insertions(+), 19 deletions(-)

diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 49181d1..9898eef 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -1065,6 +1065,8 @@ qemuDomainAssignDevicePCISlots(virDomainDefPtr def,
         }
         if (STREQ(net->model, "virtio"))
             flags = virtioFlags;
+        else if (havePCIeRoot && STREQ(net->model, "e1000e"))
+            flags = pcieFlags;
         else
             flags = pciFlags;
 
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.args b/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.args
index 2ea0c08..40c8063 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.args
@@ -29,15 +29,16 @@ QEMU_AUDIO_DRV=none \
 -device ioh3420,port=0x50,chassis=11,id=pci.11,bus=pcie.0,addr=0xa \
 -device ioh3420,port=0x58,chassis=12,id=pci.12,bus=pcie.0,addr=0xb \
 -device ioh3420,port=0x60,chassis=13,id=pci.13,bus=pcie.0,addr=0xc \
+-device ioh3420,port=0x68,chassis=14,id=pci.14,bus=pcie.0,addr=0xd \
 -device ich9-usb-ehci1,id=usb,bus=pcie.0,addr=0x1d.0x7 \
 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pcie.0,multifunction=on,\
 addr=0x1d \
 -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pcie.0,addr=0x1d.0x1 \
 -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pcie.0,addr=0x1d.0x2 \
--device virtio-scsi-pci,id=scsi0,bus=pci.6,addr=0x0 \
--device virtio-serial-pci,id=virtio-serial0,bus=pci.5,addr=0x0 \
+-device virtio-scsi-pci,id=scsi0,bus=pci.7,addr=0x0 \
+-device virtio-serial-pci,id=virtio-serial0,bus=pci.6,addr=0x0 \
 -drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk1 \
--device virtio-blk-pci,bus=pci.7,addr=0x0,drive=drive-virtio-disk1,\
+-device virtio-blk-pci,bus=pci.8,addr=0x0,drive=drive-virtio-disk1,\
 id=virtio-disk1 \
 -fsdev local,security_model=passthrough,id=fsdev-fs0,path=/export/to/guest \
 -device virtio-9p-pci,id=fs0,fsdev=fsdev-fs0,mount_tag=/import/from/host,\
@@ -45,13 +46,16 @@ bus=pci.3,addr=0x0 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:11:22:33:44:55,bus=pci.4,\
 addr=0x0 \
--device virtio-input-host-pci,id=input0,evdev=/dev/input/event1234,bus=pci.10,\
+-netdev user,id=hostnet1 \
+-device e1000e,netdev=hostnet1,id=net1,mac=00:11:22:33:44:66,bus=pci.5,\
 addr=0x0 \
--device virtio-mouse-pci,id=input1,bus=pci.11,addr=0x0 \
--device virtio-keyboard-pci,id=input2,bus=pci.12,addr=0x0 \
--device virtio-tablet-pci,id=input3,bus=pci.13,addr=0x0 \
+-device virtio-input-host-pci,id=input0,evdev=/dev/input/event1234,bus=pci.11,\
+addr=0x0 \
+-device virtio-mouse-pci,id=input1,bus=pci.12,addr=0x0 \
+-device virtio-keyboard-pci,id=input2,bus=pci.13,addr=0x0 \
+-device virtio-tablet-pci,id=input3,bus=pci.14,addr=0x0 \
 -device virtio-vga,id=video0,bus=pcie.0,addr=0x1 \
--device virtio-balloon-pci,id=balloon0,bus=pci.8,addr=0x0 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.9,addr=0x0 \
 -object rng-random,id=objrng0,filename=/dev/urandom \
--device virtio-rng-pci,rng=objrng0,id=rng0,max-bytes=123,period=1234,bus=pci.9,\
-addr=0x0
+-device virtio-rng-pci,rng=objrng0,id=rng0,max-bytes=123,period=1234,\
+bus=pci.10,addr=0x0
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.xml b/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.xml
index 7bed08c..39db5f0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35-pcie.xml
@@ -28,6 +28,7 @@
     <controller type='pci' model='pcie-root-port'/>
     <controller type='pci' model='pcie-root-port'/>
     <controller type='pci' model='pcie-root-port'/>
+    <controller type='pci' model='pcie-root-port'/>
     <controller type='virtio-serial'/>
     <controller type='scsi' model='virtio-scsi'/>
     <disk type='block' device='disk'>
@@ -45,6 +46,10 @@
       <mac address='00:11:22:33:44:55'/>
       <model type='virtio'/>
     </interface>
+    <interface type='user'>
+      <mac address='00:11:22:33:44:66'/>
+      <model type='e1000e'/>
+    </interface>
     <memballoon model='virtio'/>
     <rng model='virtio'>
       <rate bytes='123' period='1234'/>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.args b/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.args
index 7cedc82..5723af7 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.args
@@ -29,6 +29,7 @@ QEMU_AUDIO_DRV=none \
 -device ioh3420,port=0x50,chassis=11,id=pci.11,bus=pcie.0,addr=0xa \
 -device ioh3420,port=0x58,chassis=12,id=pci.12,bus=pcie.0,addr=0xb \
 -device ioh3420,port=0x60,chassis=13,id=pci.13,bus=pcie.0,addr=0xc \
+-device ioh3420,port=0x68,chassis=14,id=pci.14,bus=pcie.0,addr=0xd \
 -device ich9-usb-ehci1,id=usb,bus=pcie.0,addr=0x1d.0x7 \
 -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pcie.0,multifunction=on,\
 addr=0x1d \
@@ -45,6 +46,9 @@ bus=pci.2,addr=0x1 \
 -netdev user,id=hostnet0 \
 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:11:22:33:44:55,bus=pci.2,\
 addr=0x2 \
+-netdev user,id=hostnet1 \
+-device e1000e,netdev=hostnet1,id=net1,mac=00:11:22:33:44:66,bus=pci.3,\
+addr=0x0 \
 -device virtio-input-host-pci,id=input0,evdev=/dev/input/event1234,bus=pci.2,\
 addr=0x8 \
 -device virtio-mouse-pci,id=input1,bus=pci.2,addr=0x9 \
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.xml b/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.xml
index 7bed08c..39db5f0 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35-virtio-pci.xml
@@ -28,6 +28,7 @@
     <controller type='pci' model='pcie-root-port'/>
     <controller type='pci' model='pcie-root-port'/>
     <controller type='pci' model='pcie-root-port'/>
+    <controller type='pci' model='pcie-root-port'/>
     <controller type='virtio-serial'/>
     <controller type='scsi' model='virtio-scsi'/>
     <disk type='block' device='disk'>
@@ -45,6 +46,10 @@
       <mac address='00:11:22:33:44:55'/>
       <model type='virtio'/>
     </interface>
+    <interface type='user'>
+      <mac address='00:11:22:33:44:66'/>
+      <model type='e1000e'/>
+    </interface>
     <memballoon model='virtio'/>
     <rng model='virtio'>
       <rate bytes='123' period='1234'/>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-pcie.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-pcie.xml
index 60e29b5..5a23a51 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-pcie.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-pcie.xml
@@ -17,7 +17,7 @@
     <disk type='block' device='disk'>
       <source dev='/dev/HostVG/QEMUGuest1'/>
       <target dev='vdb' bus='virtio'/>
-      <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x08' slot='0x00' function='0x0'/>
     </disk>
     <controller type='pci' index='0' model='pcie-root'/>
     <controller type='pci' index='1' model='dmi-to-pci-bridge'>
@@ -84,11 +84,16 @@
       <target chassis='13' port='0x60'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>
     </controller>
+    <controller type='pci' index='14' model='pcie-root-port'>
+      <model name='ioh3420'/>
+      <target chassis='14' port='0x68'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0d' function='0x0'/>
+    </controller>
     <controller type='virtio-serial' index='0'>
-      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
     </controller>
     <controller type='scsi' index='0' model='virtio-scsi'>
-      <address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x07' slot='0x00' function='0x0'/>
     </controller>
     <controller type='usb' index='0' model='ich9-ehci1'>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x7'/>
@@ -118,18 +123,23 @@
       <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
     </interface>
+    <interface type='user'>
+      <mac address='00:11:22:33:44:66'/>
+      <model type='e1000e'/>
+      <address type='pci' domain='0x0000' bus='0x05' slot='0x00' function='0x0'/>
+    </interface>
     <input type='passthrough' bus='virtio'>
       <source evdev='/dev/input/event1234'/>
-      <address type='pci' domain='0x0000' bus='0x0a' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x0b' slot='0x00' function='0x0'/>
     </input>
     <input type='mouse' bus='virtio'>
-      <address type='pci' domain='0x0000' bus='0x0b' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x0c' slot='0x00' function='0x0'/>
     </input>
     <input type='keyboard' bus='virtio'>
-      <address type='pci' domain='0x0000' bus='0x0c' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x0d' slot='0x00' function='0x0'/>
     </input>
     <input type='tablet' bus='virtio'>
-      <address type='pci' domain='0x0000' bus='0x0d' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x0e' slot='0x00' function='0x0'/>
     </input>
     <input type='mouse' bus='ps2'/>
     <input type='keyboard' bus='ps2'/>
@@ -138,12 +148,12 @@
       <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
     </video>
     <memballoon model='virtio'>
-      <address type='pci' domain='0x0000' bus='0x08' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x09' slot='0x00' function='0x0'/>
     </memballoon>
     <rng model='virtio'>
       <rate bytes='123' period='1234'/>
       <backend model='random'>/dev/urandom</backend>
-      <address type='pci' domain='0x0000' bus='0x09' slot='0x00' function='0x0'/>
+      <address type='pci' domain='0x0000' bus='0x0a' slot='0x00' function='0x0'/>
     </rng>
   </devices>
 </domain>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-virtio-pci.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-virtio-pci.xml
index 5c5acac..22c2c68 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-virtio-pci.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-virtio-pci.xml
@@ -84,6 +84,11 @@
       <target chassis='13' port='0x60'/>
       <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>
     </controller>
+    <controller type='pci' index='14' model='pcie-root-port'>
+      <model name='ioh3420'/>
+      <target chassis='14' port='0x68'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0d' function='0x0'/>
+    </controller>
     <controller type='virtio-serial' index='0'>
       <address type='pci' domain='0x0000' bus='0x02' slot='0x03' function='0x0'/>
     </controller>
@@ -118,6 +123,11 @@
       <model type='virtio'/>
       <address type='pci' domain='0x0000' bus='0x02' slot='0x02' function='0x0'/>
     </interface>
+    <interface type='user'>
+      <mac address='00:11:22:33:44:66'/>
+      <model type='e1000e'/>
+      <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+    </interface>
     <input type='passthrough' bus='virtio'>
       <source evdev='/dev/input/event1234'/>
       <address type='pci' domain='0x0000' bus='0x02' slot='0x08' function='0x0'/>
-- 
2.7.4

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