Generic PCI host controller

modulename: pci-host-generic.ko

configname: CONFIG_PCI_HOST_GENERIC

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI controller drivers
└─>Generic PCI host controller
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you want to support a simple generic PCI host
controller, such as the one emulated by kvmtool.

source code:
selects
CONFIG_PCI_HOST_COMMON
CONFIG_IRQ_DOMAIN