/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/drivers/ntb/hw/intel
Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/drivers/ntb/hw/intel/Kconfig (180B)
config NTB_INTEL
tristate "Intel Non-Transparent Bridge support"
depends on X86_64
help
This driver supports Intel NTB on capable Xeon and Atom hardware.
If unsure, say N.