...

/sys/devices/pci0000:00/0000:00:01.1/ata1/host1/target1:0:0/1:0:0:0/scsi_device/1:0:0:0/power

.	Edit
..	Edit
autosuspend_delay_ms	Edit
control	Edit
runtime_active_time	Edit
runtime_status	Edit
runtime_suspended_time	Edit