What: /sys/bus/css/devices/.../typeDate: March 2008Contact: Cornelia Huck <cornelia.huck@de.ibm.com> linux-s390@vger.kernel.orgDescription: Contains the subchannel type, as reported by the hardware. This attribute is present for all subchannel types.What: /sys/bus/css/devices/.../modaliasDate: March 2008Contact: Cornelia Huck <cornelia.huck@de.ibm.com> linux-s390@vger.kernel.orgDescription: Contains the module alias as reported with uevents. It is of the format css:t<type> and present for all subchannel types.What: /sys/bus/css/drivers/io_subchannel/.../chpidsDate: December 2002Contact: Cornelia Huck <cornelia.huck@de.ibm.com> linux-s390@vger.kernel.orgDescription: Contains the ids of the channel paths used by this subchannel, as reported by the channel subsystem during subchannel recognition. Note: This is an I/O-subchannel specific attribute.Users: s390-tools, HALWhat: /sys/bus/css/drivers/io_subchannel/.../pimpampomDate: December 2002Contact: Cornelia Huck <cornelia.huck@de.ibm.com> linux-s390@vger.kernel.orgDescription: Contains the PIM/PAM/POM values, as reported by the channel subsystem when last queried by the common I/O layer (this implies that this attribute is not neccessarily in sync with the values current in the channel subsystem). Note: This is an I/O-subchannel specific attribute.Users: s390-tools, HAL