====== Virtualization TODO ======

This wiki page contains the results of brainstorming missing features required to make %%FreeBSD%% work well in a range of virtualized environments.

===== Cross-Platform =====

  * <del>%%VirtIO%% drivers in the base tree (for KVM, bhyve, VirtualBox, possibly others)</del>  (**//9/21//**, initial commit of virtio drivers to projects/virtio branch:  http://lists.freebsd.org/pipermail/svn-src-projects/2011-September/004361.html )
  * Support for hot adding/removing of CPUs (mainly for bare metal and VMware so far)
  * "make release" generates template disk / file system images (not specific to a particular VM platform)
  * "make release" extensions that allow qemu-tools (or similar external or new internal tools) to convert file system images into VM images that can be loaded with minimal work (i.e., VMDK, etc).
  * makefs(1) support for UFS2
  * GEOM "resize" event to allow device drivers to notify the storage stack of growth
  * Live-growable UFS
  * Shrinkable UFS (for reducing "cloud" costs)
  * Reorder partitions so that swap is first
  * Possibly a /boot with pivotroot twiddle model
  * tar(1) support for UFS1, UFS2
  * tar(1) support for ext2fs
  * Cross-install from Linux (i.e., %%FreeBSD%% installer ported to Linux can build %%FreeBSD%% file system images for use with a VM)

===== Xen =====

  * See: [[Xen]]
  * kldloadable PV drivers without having to compile in "options XENHVM"
  * Break out various Xen PV drivers into separate modules so they can be loaded independently -- i.e., front drivers without back drivers
  * ifnet-level support for advertising the maximum number of mbuf clusters that can be used with TSO; Xen netfront tweaks to advertise the Linux limit used by netback
  * dom0 (but lots to do here -- especially, grant tables, but also general stability work for "options XEN")

===== bhyve =====

  * See the [[bhyve|dedicated bhyve page]]
  * Suspend/resume
  * Live migration
  * Support for older CPUs without nested paging virtualization (there are still a lot of them)

===== Jails =====

  * Make more filesystems jail friendly (audit individual filesystem code so that VFCF_JAIL can be set)

===== EC2 (Amazon Cloud) =====

  * Provide AMI files as part of the release process

===== VMware =====

==== VMware Studio ====

  * See: http://www.vmware.com/products/studio and http://communities.vmware.com/thread/312289

  * Add a %%FreeBSD%% VM vApp template. See /opt/vmware/etc/new_os/TODO_new_os in the VMWare Studio 2.6 image.

  * Port the Provisioning Agent to %%FreeBSD%%. This is just a shell script run once after first boot, which provisions a VM from template fillout hosted in a custom ISO image. /etc/rc integration is needed. See /opt/vmware/www/provagent/.build/etc/vmware-studio in the VMWare Studio 2.6 image.

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{{tag>Virtualization}}
{{tag>Todo}}
{{tag>Stale}}