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Open Menu /Documentation/ABI/testing/sysfs-bus-css 
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What:		/sys/bus/css/devices/.../type
Date:		March 2008
Contact:	Cornelia Huck <cornelia.huck@de.ibm.com>
		linux-s390@vger.kernel.org
Description:	Contains the subchannel type, as reported by the hardware.
		This attribute is present for all subchannel types.

What:		/sys/bus/css/devices/.../modalias
Date:		March 2008
Contact:	Cornelia Huck <cornelia.huck@de.ibm.com>
		linux-s390@vger.kernel.org
Description:	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/.../chpids
Date:		December 2002
Contact:	Cornelia Huck <cornelia.huck@de.ibm.com>
		linux-s390@vger.kernel.org
Description:	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, HAL

What:		/sys/bus/css/drivers/io_subchannel/.../pimpampom
Date:		December 2002
Contact:	Cornelia Huck <cornelia.huck@de.ibm.com>
		linux-s390@vger.kernel.org
Description:	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 necessarily
		in sync with the values current in the channel subsystem).
		Note: This is an I/O-subchannel specific attribute.
Users:		s390-tools, HAL