Ivshmem hv-land solution emulates the ivshmem device in hypervisor
and the shared memory is reserved in the hypervisor's memory space.
And it can provide inter-vm communication for both pre-launched and
post-launched VMs.
This patch introduces the ivshmem hv-land solution including what
ivshmem hv-land is and how to use it.
Signed-off-by: Yuan Liu <yuan1.liu@intel.com>
12557d2e2b