Support mmconfig PCI config space access
configname: CONFIG_PCI_MMCONFIG
Linux Kernel Configuration
└─>Bus options (PCI etc.)
└─>ACPI (Advanced Configuration and Power Interface) Support
└─>SFI (Simple Firmware Interface) Support
└─>Support mmconfig PCI config space access
In linux kernel since version 2.6.12
depends
CONFIG_PCICONFIG_ACPI or CONFIG_JAILHOUSE_GUEST or CONFIG_SFI
CONFIG_PCI_GOANY or CONFIG_PCI_GOMMCONFIG or CONFIG_X86_64