[PATCH] qemu: implement NVMe device emulation support
Zhiyong Ye
yezhiyong at bytedance.com
Thu May 13 03:45:25 UTC 2021
Implements QEMU support for NVMe device emulation, which was added in
qemu 1.6.0:
https://git.qemu.org/?p=qemu.git;a=commit;h=f3c507adcd7
It can be used by adding elements in XML like this:
<devices>
...
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/var/lib/libvirt/images/nvme.img'/>
<target dev='nvmea' bus='nvme'/>
<serial>QEMU-WMAP9A966149</serial>
</disk>
...
</devices>
Signed-off-by: Zhiyong Ye <yezhiyong at bytedance.com>
Signed-off-by: zhenwei pi <pizhenwei at bytedance.com>
---
docs/formatdomain.rst | 11 ++++++--
docs/schemas/domaincommon.rng | 3 ++-
src/bhyve/bhyve_command.c | 1 +
src/bhyve/bhyve_domain.c | 1 +
src/conf/domain_conf.c | 5 ++++
src/conf/domain_conf.h | 1 +
src/conf/domain_validate.c | 4 ++-
src/hyperv/hyperv_driver.c | 2 ++
src/qemu/qemu_alias.c | 1 +
src/qemu/qemu_command.c | 8 ++++++
src/qemu/qemu_domain_address.c | 11 +++++---
src/qemu/qemu_hotplug.c | 2 ++
src/qemu/qemu_validate.c | 13 ++++++++++
src/util/virutil.c | 3 ++-
src/vbox/vbox_common.c | 1 +
src/vz/vz_sdk.c | 2 ++
src/vz/vz_utils.c | 1 +
tests/qemuxml2argvdata/disk-nvme-device.args | 28 +++++++++++++++++++++
tests/qemuxml2argvdata/disk-nvme-device.xml | 30 ++++++++++++++++++++++
tests/qemuxml2argvtest.c | 1 +
tests/qemuxml2xmloutdata/disk-nvme-device.xml | 36 +++++++++++++++++++++++++++
tests/qemuxml2xmltest.c | 1 +
22 files changed, 157 insertions(+), 9 deletions(-)
create mode 100644 tests/qemuxml2argvdata/disk-nvme-device.args
create mode 100644 tests/qemuxml2argvdata/disk-nvme-device.xml
create mode 100644 tests/qemuxml2xmloutdata/disk-nvme-device.xml
diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
index fa5c14febc..d7e5299664 100644
--- a/docs/formatdomain.rst
+++ b/docs/formatdomain.rst
@@ -2479,6 +2479,12 @@ paravirtualized driver is specified via the ``disk`` element.
</source>
<target dev='vdf' bus='virtio'/>
</disk>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source file='/var/lib/libvirt/images/nvme.img'/>
+ <target dev='nvmea' bus='nvme'/>
+ <serial>QEMU-WMAP9A966149</serial>
+ </disk>
</devices>
...
@@ -2880,8 +2886,9 @@ paravirtualized driver is specified via the ``disk`` element.
name in the guest OS. Treat it as a device ordering hint. The optional
``bus`` attribute specifies the type of disk device to emulate; possible
values are driver specific, with typical values being "ide", "scsi",
- "virtio", "xen", "usb", "sata", or "sd" :since:`"sd" since 1.1.2` . If
- omitted, the bus type is inferred from the style of the device name (e.g. a
+ "virtio", "xen", "usb", "sata", "sd" :since:`"sd" since 1.1.2`,
+ or "nvme" :since:`"nvme" since 7.3.0 (QEMU only)`. If omitted,
+ the bus type is inferred from the style of the device name (e.g. a
device named 'sda' will typically be exported using a SCSI bus). The optional
attribute ``tray`` indicates the tray status of the removable disks (i.e.
CDROM or Floppy disk), the value can be either "open" or "closed", defaults
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index a2e5c50c1d..47c60d7247 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -2202,7 +2202,7 @@
<define name="diskTarget">
<data type="string">
- <param name="pattern">(ioemu:)?(fd|hd|sd|vd|xvd|ubd)[a-zA-Z0-9_]+</param>
+ <param name="pattern">(ioemu:)?(fd|hd|sd|vd|xvd|ubd|nvme)[a-zA-Z0-9_]+</param>
</data>
</define>
<define name="target">
@@ -2222,6 +2222,7 @@
<value>uml</value> <!-- NOT USED ANYMORE -->
<value>sata</value>
<value>sd</value>
+ <value>nvme</value>
</choice>
</attribute>
</optional>
diff --git a/src/bhyve/bhyve_command.c b/src/bhyve/bhyve_command.c
index f8e0ce5123..d601f15eae 100644
--- a/src/bhyve/bhyve_command.c
+++ b/src/bhyve/bhyve_command.c
@@ -320,6 +320,7 @@ bhyveBuildDiskArgStr(const virDomainDef *def,
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
diff --git a/src/bhyve/bhyve_domain.c b/src/bhyve/bhyve_domain.c
index 33e74e2e25..3972b57ba9 100644
--- a/src/bhyve/bhyve_domain.c
+++ b/src/bhyve/bhyve_domain.c
@@ -142,6 +142,7 @@ bhyveDomainDiskDefAssignAddress(struct _bhyveConn *driver,
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
break;
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 7044701fac..1c89309f29 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -350,6 +350,7 @@ VIR_ENUM_IMPL(virDomainDiskBus,
"uml",
"sata",
"sd",
+ "nvme",
);
VIR_ENUM_IMPL(virDomainDiskCache,
@@ -5356,6 +5357,8 @@ virDomainDiskDefPostParse(virDomainDiskDef *disk,
disk->bus = VIR_DOMAIN_DISK_BUS_XEN;
else if (STRPREFIX(disk->dst, "ubd"))
disk->bus = VIR_DOMAIN_DISK_BUS_UML;
+ else if (STRPREFIX(disk->dst, "nvme"))
+ disk->bus = VIR_DOMAIN_DISK_BUS_NVME;
}
}
@@ -7723,6 +7726,7 @@ virDomainDiskDefAssignAddress(virDomainXMLOption *xmlopt,
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
/* Other disk bus's aren't controller based */
@@ -28737,6 +28741,7 @@ virDiskNameToBusDeviceIndex(virDomainDiskDef *disk,
case VIR_DOMAIN_DISK_BUS_NONE:
case VIR_DOMAIN_DISK_BUS_SATA:
case VIR_DOMAIN_DISK_BUS_UML:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
*busIdx = 0;
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 2d5462bb55..b54284ee49 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -381,6 +381,7 @@ typedef enum {
VIR_DOMAIN_DISK_BUS_UML,
VIR_DOMAIN_DISK_BUS_SATA,
VIR_DOMAIN_DISK_BUS_SD,
+ VIR_DOMAIN_DISK_BUS_NVME,
VIR_DOMAIN_DISK_BUS_LAST
} virDomainDiskBus;
diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c
index 686b9e8d16..0e79698381 100644
--- a/src/conf/domain_validate.c
+++ b/src/conf/domain_validate.c
@@ -227,6 +227,7 @@ virDomainDiskAddressDiskBusCompatibility(virDomainDiskBus bus,
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_NONE:
case VIR_DOMAIN_DISK_BUS_LAST:
return true;
@@ -721,7 +722,8 @@ virDomainDiskDefValidate(const virDomainDef *def,
!STRPREFIX(disk->dst, "sd") &&
!STRPREFIX(disk->dst, "vd") &&
!STRPREFIX(disk->dst, "xvd") &&
- !STRPREFIX(disk->dst, "ubd")) {
+ !STRPREFIX(disk->dst, "ubd") &&
+ !STRPREFIX(disk->dst, "nvme")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Invalid harddisk device name: %s"), disk->dst);
return -1;
diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
index ff20d5548b..f6fb0a610b 100644
--- a/src/hyperv/hyperv_driver.c
+++ b/src/hyperv/hyperv_driver.c
@@ -970,6 +970,7 @@ hypervDomainAttachStorage(virDomainPtr domain, virDomainDef *def, const char *ho
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SATA:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Unsupported controller type"));
@@ -3125,6 +3126,7 @@ hypervDomainAttachDeviceFlags(virDomainPtr domain, const char *xml, unsigned int
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SATA:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Invalid disk bus in definition"));
diff --git a/src/qemu/qemu_alias.c b/src/qemu/qemu_alias.c
index ed47fa335a..b4fd8f9ae6 100644
--- a/src/qemu/qemu_alias.c
+++ b/src/qemu/qemu_alias.c
@@ -254,6 +254,7 @@ qemuAssignDeviceDiskAlias(virDomainDef *def,
case VIR_DOMAIN_DISK_BUS_XEN:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_NONE:
case VIR_DOMAIN_DISK_BUS_LAST:
break;
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index d6c5308ef0..14d6bfcd89 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -1607,6 +1607,7 @@ qemuCheckIOThreads(const virDomainDef *def,
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SATA:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_NONE:
case VIR_DOMAIN_DISK_BUS_LAST:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
@@ -1847,6 +1848,13 @@ qemuBuildDiskDeviceStr(const virDomainDef *def,
virBufferAsprintf(&opt, "floppy,unit=%d", disk->info.addr.drive.unit);
break;
+ case VIR_DOMAIN_DISK_BUS_NVME:
+ virBufferAddLit(&opt, "nvme");
+
+ if (qemuBuildDeviceAddressStr(&opt, def, &disk->info) < 0)
+ return NULL;
+ break;
+
case VIR_DOMAIN_DISK_BUS_XEN:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
diff --git a/src/qemu/qemu_domain_address.c b/src/qemu/qemu_domain_address.c
index a11e40d9b2..7249328b80 100644
--- a/src/qemu/qemu_domain_address.c
+++ b/src/qemu/qemu_domain_address.c
@@ -778,7 +778,6 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDef *dev,
case VIR_DOMAIN_DEVICE_DISK:
switch ((virDomainDiskBus) dev->data.disk->bus) {
case VIR_DOMAIN_DISK_BUS_VIRTIO:
- /* only virtio disks use PCI */
switch ((virDomainDiskModel) dev->data.disk->model) {
case VIR_DOMAIN_DISK_MODEL_VIRTIO_TRANSITIONAL:
/* Transitional devices only work in conventional PCI slots */
@@ -792,6 +791,9 @@ qemuDomainDeviceCalculatePCIConnectFlags(virDomainDeviceDef *dev,
}
return 0;
+ case VIR_DOMAIN_DISK_BUS_NVME:
+ return pciFlags;
+
case VIR_DOMAIN_DISK_BUS_IDE:
case VIR_DOMAIN_DISK_BUS_FDC:
case VIR_DOMAIN_DISK_BUS_SCSI:
@@ -2235,10 +2237,11 @@ qemuDomainAssignDevicePCISlots(virDomainDef *def,
}
}
- /* Disks (VirtIO only for now) */
+ /* Disks (VirtIO and NVMe-device only for now) */
for (i = 0; i < def->ndisks; i++) {
- /* Only VirtIO disks use PCI addrs */
- if (def->disks[i]->bus != VIR_DOMAIN_DISK_BUS_VIRTIO)
+ /* Only VirtIO adn NVMe-device disks use PCI addrs */
+ if (def->disks[i]->bus != VIR_DOMAIN_DISK_BUS_VIRTIO &&
+ def->disks[i]->bus != VIR_DOMAIN_DISK_BUS_NVME)
continue;
/* don't touch s390 devices */
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index a64cddb9e7..862f30572d 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -1092,6 +1092,7 @@ qemuDomainAttachDeviceDiskLiveInternal(virQEMUDriver *driver,
/* Note that SD card hotplug support should be added only once
* they support '-device' (don't require -drive only).
* See also: qemuDiskBusIsSD */
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_NONE:
case VIR_DOMAIN_DISK_BUS_LAST:
virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
@@ -5312,6 +5313,7 @@ qemuDomainDetachPrepDisk(virDomainObj *vm,
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SATA:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("This type of disk cannot be hot unplugged"));
return -1;
diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c
index 141203f979..73ce7cc617 100644
--- a/src/qemu/qemu_validate.c
+++ b/src/qemu/qemu_validate.c
@@ -2721,6 +2721,19 @@ qemuValidateDomainDeviceDefDiskFrontend(const virDomainDiskDef *disk,
break;
+ case VIR_DOMAIN_DISK_BUS_NVME:
+ if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("unexpected address type for nvme disk"));
+ return -1;
+ }
+ if (!disk->serial) {
+ virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+ _("serial property must be specified for nvme disk"));
+ return -1;
+ }
+ break;
+
case VIR_DOMAIN_DISK_BUS_XEN:
case VIR_DOMAIN_DISK_BUS_SD:
case VIR_DOMAIN_DISK_BUS_NONE:
diff --git a/src/util/virutil.c b/src/util/virutil.c
index 3f49a469e5..a586b94c9a 100644
--- a/src/util/virutil.c
+++ b/src/util/virutil.c
@@ -369,7 +369,8 @@ int virDiskNameParse(const char *name, int *disk, int *partition)
const char *ptr = NULL;
char *rem;
int idx = 0;
- static char const* const drive_prefix[] = {"fd", "hd", "vd", "sd", "xvd", "ubd"};
+ static char const* const drive_prefix[] = {"fd", "hd", "vd", "sd",
+ "xvd", "ubd", "nvme"};
size_t i;
size_t n_digits;
diff --git a/src/vbox/vbox_common.c b/src/vbox/vbox_common.c
index 1ca521321c..11f057236c 100644
--- a/src/vbox/vbox_common.c
+++ b/src/vbox/vbox_common.c
@@ -1154,6 +1154,7 @@ vboxAttachDrives(virDomainDef *def, struct _vboxDriver *data, IMachine *machine)
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_NONE:
case VIR_DOMAIN_DISK_BUS_LAST:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
diff --git a/src/vz/vz_sdk.c b/src/vz/vz_sdk.c
index e09950812d..0a804aa284 100644
--- a/src/vz/vz_sdk.c
+++ b/src/vz/vz_sdk.c
@@ -3469,6 +3469,7 @@ static int prlsdkConfigureDisk(struct _vzDriver *driver,
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
@@ -4354,6 +4355,7 @@ prlsdkGetBlockStats(PRL_HANDLE sdkstats,
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
virReportError(VIR_ERR_INTERNAL_ERROR,
diff --git a/src/vz/vz_utils.c b/src/vz/vz_utils.c
index 8fed875281..f7e4d174cf 100644
--- a/src/vz/vz_utils.c
+++ b/src/vz/vz_utils.c
@@ -244,6 +244,7 @@ vzCheckDiskAddressDriveUnsupportedParams(virDomainDiskDef *disk)
case VIR_DOMAIN_DISK_BUS_USB:
case VIR_DOMAIN_DISK_BUS_UML:
case VIR_DOMAIN_DISK_BUS_SD:
+ case VIR_DOMAIN_DISK_BUS_NVME:
case VIR_DOMAIN_DISK_BUS_LAST:
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
diff --git a/tests/qemuxml2argvdata/disk-nvme-device.args b/tests/qemuxml2argvdata/disk-nvme-device.args
new file mode 100644
index 0000000000..594e1dea31
--- /dev/null
+++ b/tests/qemuxml2argvdata/disk-nvme-device.args
@@ -0,0 +1,28 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-i386 \
+-name QEMUGuest1 \
+-S \
+-machine pc,accel=tcg,usb=off,dump-guest-core=off \
+-m 214 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,path=/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server=on,wait=off \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-usb \
+-drive file=/tmp/data.img,format=raw,if=none,id=drive-nvme-disk0 \
+-device nvme,bus=pci.0,addr=0x2,drive=drive-nvme-disk0,id=nvme-disk0,bootindex=1,serial=QEMU-WMAP9A966149
diff --git a/tests/qemuxml2argvdata/disk-nvme-device.xml b/tests/qemuxml2argvdata/disk-nvme-device.xml
new file mode 100644
index 0000000000..18d9632f20
--- /dev/null
+++ b/tests/qemuxml2argvdata/disk-nvme-device.xml
@@ -0,0 +1,30 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>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-i386</emulator>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source file='/tmp/data.img'/>
+ <target dev='nvmea' bus='nvme'/>
+ <serial>QEMU-WMAP9A966149</serial>
+ </disk>
+ <controller type='usb' index='0'/>
+ <controller type='ide' index='0'/>
+ <controller type='pci' index='0' model='pci-root'/>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <memballoon model='none'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index a9dafe226e..681158c73b 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1493,6 +1493,7 @@ mymain(void)
DO_TEST_CAPS_ARCH_VER("disk-arm-virtio-sd", "aarch64", "4.0.0");
DO_TEST_CAPS_ARCH_LATEST("disk-arm-virtio-sd", "aarch64");
+ DO_TEST("disk-nvme-device", NONE);
DO_TEST("graphics-egl-headless",
QEMU_CAPS_DEVICE_CIRRUS_VGA);
DO_TEST_CAPS_LATEST("graphics-egl-headless");
diff --git a/tests/qemuxml2xmloutdata/disk-nvme-device.xml b/tests/qemuxml2xmloutdata/disk-nvme-device.xml
new file mode 100644
index 0000000000..e016164d28
--- /dev/null
+++ b/tests/qemuxml2xmloutdata/disk-nvme-device.xml
@@ -0,0 +1,36 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>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-i386</emulator>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source file='/tmp/data.img'/>
+ <target dev='nvmea' bus='nvme'/>
+ <serial>QEMU-WMAP9A966149</serial>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+ </disk>
+ <controller type='usb' index='0'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
+ </controller>
+ <controller type='ide' index='0'>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+ </controller>
+ <controller type='pci' index='0' model='pci-root'/>
+ <input type='mouse' bus='ps2'/>
+ <input type='keyboard' bus='ps2'/>
+ <audio id='1' type='none'/>
+ <memballoon model='none'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 7af6f90aee..f36819cd73 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -336,6 +336,7 @@ mymain(void)
DO_TEST("disk-mirror-old", NONE);
DO_TEST("disk-mirror", NONE);
DO_TEST("disk-active-commit", NONE);
+ DO_TEST("disk-nvme-device", NONE);
DO_TEST("graphics-listen-network",
QEMU_CAPS_DEVICE_CIRRUS_VGA,
QEMU_CAPS_VNC);
--
2.11.0
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