Enable PCI Data Object Exchange (DOE) support

modulename: doe.ko

configname: CONFIG_PCI_DOE

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>Enable PCI Data Object Exchange (DOE) support
In linux kernel since version 4.14.326 (release Date: 2023-09-23)  
Say Y here if you want be able to communicate with PCIe DOE
mailboxes.

source code:
depends
CONFIG_PCI

is depended by
CONFIG_CXL_BUS