[libvirt] [PATCH 7/6] qemu: assign e1000e network devices to PCIe controllers when appropriate
Laine Stump
laine at laine.org
Mon Aug 8 09:32:00 UTC 2016
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.)
---
src/qemu/qemu_domain_address.c | 5 +-
.../qemuxml2argvdata/qemuxml2argv-q35-e1000e.args | 43 ++++++++++
tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.xml | 50 ++++++++++++
tests/qemuxml2argvtest.c | 9 +++
.../qemuxml2xmlout-q35-e1000e.xml | 92 ++++++++++++++++++++++
tests/qemuxml2xmltest.c | 9 +++
6 files changed, 207 insertions(+), 1 deletion(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.xml
create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-e1000e.xml
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index 4dfd6be..1ba999d 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -999,6 +999,7 @@ qemuDomainAssignDevicePCISlots(virDomainDefPtr def,
virDomainPCIConnectFlags flags = 0; /* initialize to quiet gcc warning */
virPCIDeviceAddress tmp_addr;
bool virtioPCIe = false;
+ bool havePCIeRoot = false;
/* PCI controllers */
for (i = 0; i < def->ncontrollers; i++) {
@@ -1012,6 +1013,7 @@ qemuDomainAssignDevicePCISlots(virDomainDefPtr def,
*/
virtioPCIe = virQEMUCapsGet(qemuCaps,
QEMU_CAPS_VIRTIO_NET_DISABLE_MODERN);
+ havePCIeRoot = true;
continue;
}
if (model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT ||
@@ -1057,7 +1059,8 @@ qemuDomainAssignDevicePCISlots(virDomainDefPtr def,
}
/* use PCIe for virtio-net if the machinetype supports it */
- if (virtioPCIe && STREQ(def->nets[i]->model, "virtio"))
+ if ((virtioPCIe && STREQ(def->nets[i]->model, "virtio")) ||
+ (havePCIeRoot && STREQ(def->nets[i]->model, "e1000e")))
flags = VIR_PCI_CONNECT_TYPE_PCIE_DEVICE;
else
flags = VIR_PCI_CONNECT_TYPE_PCI_DEVICE;
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.args b/tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.args
new file mode 100644
index 0000000..a1167c8
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.args
@@ -0,0 +1,43 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/libexec/qemu-kvm \
+-name q35-test \
+-S \
+-M q35 \
+-m 2048 \
+-smp 2,sockets=2,cores=1,threads=1 \
+-uuid 11dbdcdd-4c3b-482b-8903-9bdb8c0a2774 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-q35-test/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-device i82801b11-bridge,id=pci.1,bus=pcie.0,addr=0x1e \
+-device pci-bridge,chassis_nr=2,id=pci.2,bus=pci.1,addr=0x0 \
+-device ioh3420,port=0x10,chassis=3,id=pci.3,bus=pcie.0,addr=0x2 \
+-device ioh3420,port=0x18,chassis=4,id=pci.4,bus=pcie.0,addr=0x3 \
+-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 \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-sata0-0-0 \
+-device ide-drive,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0 \
+-drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-virtio-disk1 \
+-device virtio-blk-pci,bus=pci.4,addr=0x0,drive=drive-virtio-disk1,\
+id=virtio-disk1 \
+-drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-virtio-disk2 \
+-device virtio-blk-pci,bus=pcie.0,addr=0x5,drive=drive-virtio-disk2,\
+id=virtio-disk2 \
+-device e1000e,vlan=0,id=net0,mac=00:11:22:33:44:55,bus=pci.3,addr=0x0 \
+-net user,vlan=0,name=hostnet0 \
+-device e1000e,vlan=1,id=net1,mac=00:11:22:33:44:55,bus=pcie.0,addr=0x4 \
+-net user,vlan=1,name=hostnet1 \
+-vga qxl \
+-global qxl-vga.ram_size=67108864 \
+-global qxl-vga.vram_size=33554432 \
+-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x6
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.xml b/tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.xml
new file mode 100644
index 0000000..97d6248
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-q35-e1000e.xml
@@ -0,0 +1,50 @@
+<domain type='qemu'>
+ <name>q35-test</name>
+ <uuid>11dbdcdd-4c3b-482b-8903-9bdb8c0a2774</uuid>
+ <memory unit='KiB'>2097152</memory>
+ <currentMemory unit='KiB'>2097152</currentMemory>
+ <vcpu placement='static' cpuset='0-1'>2</vcpu>
+ <os>
+ <type arch='x86_64' machine='q35'>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/libexec/qemu-kvm</emulator>
+ <controller type='pci' model='pcie-root'/>
+ <controller type='pci' model='dmi-to-pci-bridge'/>
+ <controller type='pci' model='pci-bridge'/>
+ <controller type='pci' model='pcie-root-port'/>
+ <controller type='pci' model='pcie-root-port'/>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='sda' bus='sata'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest2'/>
+ <target dev='vdb' bus='virtio'/>
+ </disk>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest2'/>
+ <target dev='vdc' bus='virtio'/>
+ <hotplug require='no'/>
+ </disk>
+ <video>
+ <model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
+ </video>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='e1000e'/>
+ </interface>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='e1000e'/>
+ <hotplug require='no'/>
+ </interface>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index ce0158d..efe4985 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1695,6 +1695,15 @@ mymain(void)
QEMU_CAPS_VGA_QXL, QEMU_CAPS_DEVICE_QXL,
QEMU_CAPS_DEVICE_VIRTIO_RNG, QEMU_CAPS_OBJECT_RNG_RANDOM,
QEMU_CAPS_VIRTIO_NET_DISABLE_MODERN);
+ DO_TEST("q35-e1000e",
+ QEMU_CAPS_DEVICE_PCI_BRIDGE,
+ QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE,
+ QEMU_CAPS_DEVICE_IOH3420,
+ QEMU_CAPS_ICH9_AHCI,
+ QEMU_CAPS_PCI_MULTIFUNCTION, QEMU_CAPS_ICH9_USB_EHCI1,
+ QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
+ QEMU_CAPS_VGA_QXL, QEMU_CAPS_DEVICE_QXL,
+ QEMU_CAPS_VIRTIO_NET_DISABLE_MODERN);
DO_TEST("pcie-root-port",
QEMU_CAPS_DEVICE_PCI_BRIDGE,
QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE,
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-e1000e.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-e1000e.xml
new file mode 100644
index 0000000..a70e849
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-q35-e1000e.xml
@@ -0,0 +1,92 @@
+<domain type='qemu'>
+ <name>q35-test</name>
+ <uuid>11dbdcdd-4c3b-482b-8903-9bdb8c0a2774</uuid>
+ <memory unit='KiB'>2097152</memory>
+ <currentMemory unit='KiB'>2097152</currentMemory>
+ <vcpu placement='static' cpuset='0-1'>2</vcpu>
+ <os>
+ <type arch='x86_64' machine='q35'>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/libexec/qemu-kvm</emulator>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='sda' bus='sata'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest2'/>
+ <target dev='vdb' bus='virtio'/>
+ <address type='pci' domain='0x0000' bus='0x04' slot='0x00' function='0x0'/>
+ </disk>
+ <disk type='block' device='disk'>
+ <source dev='/dev/HostVG/QEMUGuest2'/>
+ <target dev='vdc' bus='virtio'/>
+ <hotplug require='no'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
+ </disk>
+ <controller type='pci' index='0' model='pcie-root'/>
+ <controller type='pci' index='1' model='dmi-to-pci-bridge'>
+ <model name='i82801b11-bridge'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x1e' function='0x0'/>
+ </controller>
+ <controller type='pci' index='2' model='pci-bridge'>
+ <model name='pci-bridge'/>
+ <target chassisNr='2'/>
+ <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
+ </controller>
+ <controller type='pci' index='3' model='pcie-root-port'>
+ <model name='ioh3420'/>
+ <target chassis='3' port='0x10'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+ </controller>
+ <controller type='pci' index='4' model='pcie-root-port'>
+ <model name='ioh3420'/>
+ <target chassis='4' port='0x18'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+ </controller>
+ <controller type='usb' index='0' model='ich9-ehci1'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x7'/>
+ </controller>
+ <controller type='usb' index='0' model='ich9-uhci1'>
+ <master startport='0'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x0' multifunction='on'/>
+ </controller>
+ <controller type='usb' index='0' model='ich9-uhci2'>
+ <master startport='2'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x1'/>
+ </controller>
+ <controller type='usb' index='0' model='ich9-uhci3'>
+ <master startport='4'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x1d' function='0x2'/>
+ </controller>
+ <controller type='sata' index='0'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+ </controller>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='e1000e'/>
+ <address type='pci' domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
+ </interface>
+ <interface type='user'>
+ <mac address='00:11:22:33:44:55'/>
+ <model type='e1000e'/>
+ <hotplug require='no'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
+ </interface>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <video>
+ <model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1' primary='yes'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+ </video>
+ <memballoon model='virtio'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
+ </memballoon>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 40c284d..ea984e7 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -706,6 +706,15 @@ mymain(void)
QEMU_CAPS_VGA_QXL, QEMU_CAPS_DEVICE_QXL,
QEMU_CAPS_DEVICE_VIRTIO_RNG, QEMU_CAPS_OBJECT_RNG_RANDOM,
QEMU_CAPS_VIRTIO_NET_DISABLE_MODERN);
+ DO_TEST("q35-e1000e",
+ QEMU_CAPS_DEVICE_PCI_BRIDGE,
+ QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE,
+ QEMU_CAPS_DEVICE_IOH3420,
+ QEMU_CAPS_ICH9_AHCI,
+ QEMU_CAPS_PCI_MULTIFUNCTION, QEMU_CAPS_ICH9_USB_EHCI1,
+ QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
+ QEMU_CAPS_VGA_QXL, QEMU_CAPS_DEVICE_QXL,
+ QEMU_CAPS_VIRTIO_NET_DISABLE_MODERN);
DO_TEST("pcie-root",
QEMU_CAPS_DEVICE_PCI_BRIDGE, QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE,
--
2.7.4
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