esxcfg-info|grep "HV Support"

# The output of the HV Support command indicates the type of Hyper-visor support available. 
# These are the descriptions for the possible values:

# 0 - VT/AMD-V indicates that support is not available for this hardware.
# 1 - VT/AMD-V indicates that VT or AMD-V might be available but it is not supported for this hardware.
# 2 - VT/AMD-V indicates that VT or AMD-V is available but is currently not enabled in the BIOS.
# 3 - VT/AMD-V indicates that VT or AMD-V is enabled in the BIOS and can be used.

ESX Check Hardware-assisted Virtualization Support

Bash

Bash