hw/i386/vmport: Add support for CMD_GETHZ
This command returns to guest information on LAPIC bus frequency and TSC
frequency.
One can see how this interface is used by Linux vmware_platform_setup()
introduced in Linux commit
88b094fb8d4f ("x86: Hypervisor detection and
get tsc_freq from hypervisor").
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <
20200312165431.82118-16-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>