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Commit 1ddb8a06 authored by Benjamin Romer's avatar Benjamin Romer Committed by Greg Kroah-Hartman
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staging: unisys: ABI documentation for new sysfs entries 



This patch adds a documentation file for all of the interfaces that were moved
to sysfs by the other patches in this set.

Signed-off-by: default avatarBenjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bec68463

drivers/staging/unisys/Documentation/ABI/sysfs-platform-visorchipset

0 → 100644
+101 −0
Original line number Diff line number Diff line 
What:		install/error

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	used to send the ID of a string that should be displayed on

		s-Par's automatic installation progress screen when an error

		is encountered during installation. This field has no effect

		if not in installation mode.

Users:		sparmaintainer@unisys.com



What:		install/remainingsteps

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	used to set the value of the progress bar on the s-Par automatic

		installation progress screen. This field has no effect if not in

		installation mode.

Users:		sparmaintainer@unisys.com



What:		install/textid

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	used to send the ID of a string that should be displayed on

		s-Par's automatic installation progress screen. Setting this

		field when not in installation mode (boottotool was set on

		the previous guest boot) has no effect.

Users:		sparmaintainer@unisys.com



What:		install/boottotool

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	The boottotool flag controls s-Par behavior on the next boot of

		this guest. Setting the flag will cause the guest to boot from

		the utility and installation image, which will use the value in

		the toolaction field to determine what operation is being

		requested.

Users:		sparmaintainer@unisys.com



What:		install/toolaction

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	This field is used to tell s-Par which type of recovery tool

		action to perform on the next guest boot-up. The meaning of the

		value is dependent on the type of installation software used to

		commission the guest.

Users:		sparmaintainer@unisys.com



What:		guest/chipsetready

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	This entry is used by Unisys application software on the guest

		to acknowledge completion of specific events for integration

		purposes, but these acknowledgements are not required for the

		guest to operate correctly. The interface accepts one of two

		strings: MODULES_LOADED to indicate that the s-Par driver

		modules have been loaded successfully, or CALLHOMEDISK_MOUNTED,

		which indicates that the disk used to support call home services

		has been successfully mounted.

Users:		sparmaintainer@unisys.com



What:		parahotplug/deviceenabled

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	This entry is used by a Unisys support script installed on the

		guest, and triggered by a udev event. The support script is

		responsible for enabling and disabling SR-IOV devices when the

		PF device is being recovered in another guest.



		Some SR-IOV devices have problems when the PF is reset without

		first disabling all VFs attached to that PF. s-Par handles this

		situation by sending a message to guests using these VFs, and

		the script will disable the device. When the PF is recovered,

		another message is sent to the guests to re-enable the VFs.



		The parahotplug/deviceenabled interface is used to acknowledge

		the recovery message.

Users:		sparmaintainer@unisys.com



What:		parahotplug/devicedisabled

Date:		7/18/2014

KernelVersion: 	TBD

Contact:	sparmaintainer@unisys.com

Description:	This entry is used by a Unisys support script installed on the

		guest, and triggered by a udev event. The support script is

		responsible for enabling and disabling SR-IOV devices when the

		PF device is being recovered in another guest.



		Some SR-IOV devices have problems when the PF is reset without

		first disabling all VFs attached to that PF. s-Par handles this

		situation by sending a message to guests using these VFs, and

		the script will disable the device. When the PF is recovered,

		another message is sent to the guests to re-enable the VFs.



		The parahotplug/devicedisaabled interface is used to acknowledge

		the initial recovery message.

Users:		sparmaintainer@unisys.com