acrn-hypervisor

History

Kaige Fu d29937374a tools: acrnd: Stop all vms when SOS shutdown/reboot When SOS shutdown/reboot, systemd will send SIGTERM to acrnd. We should catch up this signal and stop all vms gracefully. BTW, this path also fix the following error when stop acrnd service by removing ExecStop config. Systemd will send SIGTERM signal to process by default. systemd[9378]: acrnd.service: Failed to execute command: No such file or directory systemd[9378]: acrnd.service: Failed at step EXEC spawning /usr/bin/killall: No such file or directory -- Subject: Process /usr/bin/killall could not be executed -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- The process /usr/bin/killall could not be executed and failed. -- -- The error number returned by this process is 2. Tracked-On: #1563 Signed-off-by: Kaige Fu <kaige.fu@intel.com> Acked-by: Yan, Like <like.yan@intel.com>		2018-10-25 13:30:14 +08:00
..
Makefile	tools: acrn-manager: update Makefile	2018-09-25 13:09:41 +08:00
README.rst	doc: clean up tools docs	2018-07-20 11:42:21 -07:00
acrn_mngr.c	tools: acrn-manager: remove assumption of fd num less than 1024	2018-10-16 11:31:57 +08:00
acrn_mngr.h	tools: vm_resume() requires wakeup reason	2018-08-15 11:16:54 +08:00
acrn_vm_ops.c	tools: acrnd: Refine log msg to avoid confusing.	2018-10-19 22:30:17 +08:00
acrnctl.c	tools: acrnctl: fix: resume default wakeup reason is CBC_WK_RSN_BTN	2018-10-24 18:13:10 +08:00
acrnctl.h	tools: acrn-manager: fix a potential compiler warning	2018-10-22 09:03:19 +08:00
acrnd.c	tools: acrnd: Stop all vms when SOS shutdown/reboot	2018-10-25 13:30:14 +08:00
acrnd.service	tools: acrnd: Stop all vms when SOS shutdown/reboot	2018-10-25 13:30:14 +08:00

README.rst

.. _acrnctl:

acrnctl and acrnd
#################


Description
***********

The ``acrnctl`` tool helps users create, delete, launch, and stop a User
OS (UOS).  The tool runs under the Service OS, and UOSs should be based
on ``acrn-dm``. The daemon for acrn-manager is `acrnd`_.



Usage
*****

You can see the available ``acrnctl`` commands by running:

.. code-block:: none

   # acrnctl help
   support:
     list
     start
     stop
     del
     add
     pause
     continue
     suspend
     resume
     reset
   Use acrnctl [cmd] help for details

Here are some usage examples:

Add a VM
========

The ``add`` command lets you add a VM by specifying a
script that will launch a UOS, for example ``launch_UOS.sh``:

.. code-block:: none

   # acrnctl add launch_UOS.sh -U 1
   vm1-14:59:30 added

Note that the launch script must only launch one UOS instance.
The VM name is important. ``acrnctl`` searches VMs by their
names so duplicate VM names are not allowed. If the
launch script changes the VM name at launch time, ``acrnctl``
will not recognize it.

Delete VMs
==========

Use the ``delete`` command with a VM name to delete that VM:

.. code-block:: none

   # acrnctl del vm1-14:59:30

List VMs
========

Use the ``list`` command to display VMs and their state:

.. code-block:: none

   # acrnctl list
   vm1-14:59:30            untracked
   vm-yocto                stopped
   vm-android              stopped

Start VM
========

If a VM is in a ``stopped`` state, you can start it with the ``start``
command:

.. code-block:: none

   # acrnctl start vm-yocto

Stop VM
=======

Use the ``stop`` command to stop one or more running VM:

.. code-block:: none

   # acrnctl stop vm-yocto vm1-14:59:30 vm-android

.. _acrnd:

acrnd
*****

The ``acrnd`` daemon process provides a way for launching or resuming a UOS
should the UOS shut down, either planned or unexpected. A UOS can ask ``acrnd``
to set up a timer to make sure the UOS is running, even if the SOS is
suspended or stopped.
The ``acrnd`` daemon stores pending UOS work to ``/opt/acrn/conf/timer_list``
and sets an RTC timer to wake up the SOS or bring the SOS back up again.
When ``acrnd`` daemon is restarted, it restores the previously saved timer
list and launches the UOSs at the right time.

A ``systemd`` service file (``acrnd.service``) is installed by default that will
start the ``acrnd`` daemon when the Service OS comes up.
You can restart/stop acrnd service using ``systemctl``

Build and Install
*****************

Source code for both ``acrnctl`` and ``acrnd`` is in the ``tools/acrn-manager`` folder.
Change to that folder and run:

.. code-block:: none

   # make
   # make install