/sys/firmware/qemu_fw_cfg/by_name/etc/
/sys/firmware/qemu_fw_cfg/by_name/etc
NameSizeModeActions
acpi/-0755rm
boot-fail-wait/-0755rm
e820/-0755rm
pvpanic-port/-0755rm
smbios/-0755rm
smi/-0755rm
system-states/-0755rm
table-loader/-0755rm
tpm/-0755rm
vmcoreinfo/-0755rm
cmd: