VMware Has VMCI Ready For The Linux Kernel
Written by Michael Larabel in Virtualization on 27 July 2012 at 07:47 AM EDT. 2 Comments
VMware is preparing to push VMCI support into the mainline Linux kernel.

Back in May I mentioned VMware was working on the Virtual Machine Communication Interface for Linux and back then their kernel patches were in a "Request For Comments" state. The patches have been revised and now VMware is lining up the VMCI support to enter the mainline kernel, hopefully for the Linux 3.6 kernel.

As said in the mailing list message concerning VMCI for Linux, "VMCI allows virtual machines to communicate with host kernel modules and the VMware hypervisors. User level applications both in a virtual machine and on the host can use vmw_vmci through VMCI Sockets, a socket address family designed to be compatible with UDP and TCP at the interface level. Today, VMCI and VMCI Sockets are used by the VMware shared folders (HGFS) and various VMware Tools components inside the guest for zero-config, network-less access to VMware host services. In addition to this, VMware's users are using VMCI Sockets for various applications, where network access of the virtual machine is restricted or non-existent. Examples of this are VMs communicating with device proxies for proprietary hardware running as host applications and automated testing of applications running within virtual machines."

Find out more information in this kernel mailing list thread.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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