SAS Transport Attributes

modulename: scsi_transport_sas.ko

configname: CONFIG_SCSI_SAS_ATTRS

Linux Kernel Configuration
└─>Device Drivers
└─>SCSI device support
└─>SCSI Transports
└─>SAS Transport Attributes
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
If you wish to export transport-specific information about
each attached SAS device to sysfs, say Y.

source code:
drivers/scsi/scsi_transport_sas.c

depends
CONFIG_SCSI