This commit updates the headers in the Go source files to adhere
to the new guidelines in the CONTRIBUTING.md file.
Signed-off-by: Mark Ryan <mark.d.ryan@intel.com>
This PR prepares for the s390x support. It introduces:
- a generalization of ccw and pci devices. The variables for the pci devices
have been renamed by removing the Pci suffix. They have been moved to the
qemu_arch_base.go
- the mapping isVirtioPCI has been move to qemu_arch_base.go because in
this way a different mapping can be added for other architecture (e.g
s390x)
- the functions QemuNetdevParam and QemuDeviceParam have been moved to
qemu_arch_base.go. In this way, they could be reimplemented for other
architecture for the case VHOSTUSER
- a function disableModern has been introduced to check if the device is
a pci device and then returns the right parameters. In the case of ccw
devices, they don't have the disable-modern flag
- a function mqParameter has been introduced to return the right
parameters for the mq case. The virtio-net-ccw device doesn't have the
vectors flag
- in qemu_arch_base_test.go contains the test and strings that can be
overwritten for other architectures (e.g s390). The devices names and
the flags for the devices can be overwritten.
- the string for the romfile has been replaced by a variable romfile
that could be left empty if the devices doesn't support a romfile as
for the ccw devices for s390.
- clean-up: the disable-modern=on/off options have been changed to
disable-modern=true/false. In the code there was a mixture of on/true
off/false
Fixes: #61
Co-authored-by: Yash D Jain <ydjainopensource@gmail.com>
Signed-off-by: Alice Frosi <afrosi@de.ibm.com>
ExecuteBlockdevAddWithCache has two more parameters direct and noFlush
than ExecuteBlockdevAdd.
They are cache-related options for block devices that are described in
https://github.com/qemu/qemu/blob/master/qapi/block-core.json.
direct denotes whether use of O_DIRECT (bypass the host page cache)
is enabled. noFlush denotes whether flush requests for the device are
ignored.
Signed-off-by: Hui Zhu <teawater@hyper.sh>
This patch fixes the wrong behavior of specifying a netdev, MAC
address or PCI address entry when those were empty. Instead, it
does not provide those entries if the content is empty.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Any device inheriting from virtio-pci can specify a ROM file. This
option is provisioned by default with "efi-virtio.rom", but most
of the time, firmwares such as OVMF or seabios will already support
what is provided by this ROM file.
In order to reduce the "forced" dependency on such ROM file, govmm
should provide an empty path if the consumer of the library does not
provide one.
This patch reorganizes the list of devices, so that it gets easier to
list which devices inherit from virtio-pci, and then adds the romfile
option to every single device that support this option.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Add support for virtio-balloon.
- Add test
- Support disable-modern
- Support deflate-on-oom
Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
In addition to supporting hotplug for VFIO mediated device on PCI bridge,
this patch adds hotplug functionality on root bus.
When parameter bus and addr are set to be empty, the system will pick up
an empty slot on root bus.
Signed-off-by: Zhao Xinda <xinda.zhao@intel.com>
govmm has ExecuteBlockdevAdd() function and ExecuteBlockdevDel() function
doesn't compatible with qemu 2.8,because blockdev-add and x-blockdev-del usages
are different between qemu 2.7 and qemu 2.8
Follow the qemu 2.7 and qemu 2.8 qmp-commands.txt documents to modify ExecuteBlockdevAdd()
function and ExecuteBlockdevDel() function to be compatible with qemu 2.8
Signed-off-by: flyflypeng <jiangpengfei9@huawei.com>
If we hotplug a nic with args mq=on, its qdisc will be mq by default.
This aligns with cold plug nics.
Signed-off-by: Ruidong Cao <caoruidong@huawei.com>
Before calling any other command it is necessary to call
ExecuteQMPCapabilities() otherwise QEMU will not process the subsequent QMP
commands.
Signed-off-by: Rob Bradford <robert.bradford@intel.com>
In order to be able to hotplug network devices such as vhost user
net, we need to be able to define a previously declared chardev as
a parameter of this new network device.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
In addition to normal VFIO device, this patch adds VFIO mediated device
as a supplement to do hot plug on PCI(E) bridges.
Signed-off-by: Zhao Xinda <xinda.zhao@intel.com>
With qemu 2.10, a write lock was added for qcow images that
prevents the same image to be passed more than once.
This can be over-ridden using the --share-rw option which is
desired for raw images.
This solves an issue with running Kata with devicemapper
using the privileged mode as in this case all devices on the host
are passed to the container using the block device associated
with the rootfs, causing it to be passed twice to qemu.
Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>
For machines types based on PCIe like q35, device addr and bus must be specified.
For machines types based on PCI like pc, device addr must be specified and bus
is optional since devices can be hot plugged directly on the root bus.
Signed-off-by: Julio Montes <julio.montes@intel.com>
Implement function to hotplug a network device to QEMU by fds.
Macvtap can only be hotplug by this way.
Signed-off-by: Ruidong Cao <caoruidong@huawei.com>
Implement function to hotplug virtio serial ports, the serial ports
are visible in the guest at the directory /dev/virtio-ports.
Signed-off-by: Julio Montes <julio.montes@intel.com>
implement function to hotplug character devices using as backend
unix sockets, binding a character device with a serial port allows
the communnication between processes running in the guest with
processes running in the host.
Signed-off-by: Julio Montes <julio.montes@intel.com>
`getfd` receives a file descriptor via SCM rights and assign it a name,
this command is useful to send file descriptors from the host, and then
hot plug devices that needs file descriptors like vhost-vsock-pci devices.
Signed-off-by: Julio Montes <julio.montes@intel.com>
`vhostfd` is used to specify the vhost-vsock device fd, and it holds
the context ID previously opened.
`disable-modern` is to disable the use of "modern" devices, by using virtio 0.9
instead of virtio 1.0. Particularly, this is useful when running the VM in a
nested environment.
Signed-off-by: Julio Montes <julio.montes@intel.com>
Implement function to hotplug vsocks, vsocks are needed
to communicate processes are running inside the VM
with processes are running on the host.
Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit enables the gas security checker on govmm builds. The
security checker has signalled 4 issues all of which I've checked
and have determined to be non issues. These issues are disabled
by this commit.
Signed-off-by: Mark Ryan <mark.d.ryan@intel.com>
This commit enables staticcheck in the travis builds and fixes the existing
errors detected by staticcheck. There was one type of error repeated in
qemu.go in which the type of some constants was not explicitly specified.
Signed-off-by: Mark Ryan <mark.d.ryan@intel.com>
device_add qmp command for scsi devices accepts additional parameters like
scsi-id and lun. Implement function to add scsi devices. Devices
with drivers "scsi-hd", "scsi-cd" and "scsi-disk" are accepted.
Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>
