$ grep -F '' /sys/bus/pci/devices/*/link/*pm
/sys/bus/pci/devices/0000:03:00.0/link/clkpm:0
/sys/bus/pci/devices/0000:03:00.0/link/l1_1_aspm:0
/sys/bus/pci/devices/0000:03:00.0/link/l1_1_pcipm:1
/sys/bus/pci/devices/0000:03:00.0/link/l1_2_aspm:0
/sys/bus/pci/devices/0000:03:00.0/link/l1_2_pcipm:1
/sys/bus/pci/devices/0000:03:00.0/link/l1_aspm:0
/sys/bus/pci/devices/0000:04:00.0/link/clkpm:0
/sys/bus/pci/devices/0000:05:00.0/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.0/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.1/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.1/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.2/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.2/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.3/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.3/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.4/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.4/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.5/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.5/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.6/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.6/link/l1_aspm:0
/sys/bus/pci/devices/0000:05:00.7/link/l0s_aspm:0
/sys/bus/pci/devices/0000:05:00.7/link/l1_aspm:0
/sys/bus/pci/devices/0000:06:00.0/link/l0s_aspm:0
/sys/bus/pci/devices/0000:06:00.0/link/l1_aspm:0
/sys/bus/pci/devices/0000:06:00.1/link/l0s_aspm:0
/sys/bus/pci/devices/0000:06:00.1/link/l1_aspm:0