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Commit 364993a9 authored by Aishwarya Pant's avatar Aishwarya Pant Committed by Corey Minyard
Browse files

char/ipmi: add documentation for sysfs interface 



This is an attempt to document the sysfs interface for the IPMI drivers.
Descriptions were collected from v2.0 of the IPMI specification and from
code comments.

Signed-off-by: default avatarAishwarya Pant <aishpant@gmail.com>
Signed-off-by: default avatarCorey Minyard <cminyard@mvista.com>
parent aaf1bbe9

Documentation/ABI/testing/sysfs-devices-platform-ipmi

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+238 −0
Original line number Diff line number Diff line 
What:		/sys/devices/platform/ipmi_bmc.*/firmware_revision

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) The major and minor revision of the firmware.





What:		/sys/devices/platform/ipmi_bmc.*/aux_firmware_revision

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Holds additional information about the firmware revision,

		such as boot block or internal data structure version numbers.

		The meanings of the numbers are specific to the vendor

		identified by Manufacturer ID.





What:		/sys/devices/platform/ipmi_bmc.*/revision

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Device revision. Useful for identifying if significant

		hardware changes have been made to the implementation of the

		management controller.





What:		/sys/devices/platform/ipmi_bmc.*/provides_device_sdrs

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Indicates whether device provides device sensor data

		records (1) or not (0).





What:		/sys/devices/platform/ipmi_bmc.*/device_id

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Device id is specified by the manufacturer identified by

		the Manufacturer ID field. This field allows controller specific

		software to identify the unique application command, OEM

		fields, and functionality that are provided by the controller





What:		/sys/devices/platform/ipmi_bmc.*/additional_device_support

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Lists the IPMI ‘logical device’ commands and functions

		that the controller supports that are in addition to the

		mandatory IPM and Application commands.





What:		/sys/devices/platform/ipmi_bmc.*/ipmi_version

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Displays the IPMI Command Specification Version.





What:		/sys/devices/platform/ipmi_bmc.*/manufacturer_id

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Identifies the manufacturer responsible for the

		specification of functionality of the vendor (OEM)-specific

		commands, codes, and interfaces used in the controller.





What:		/sys/devices/platform/ipmi_bmc.*/product_id

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Displays a number that identifies a particular system,

		module, add-in card, or board set. The number is specified

		according to the manufacturer given by Manufacturer ID.



For detailed definitions of the above attributes, refer to section 20.1 'Get

Device ID Command' of the IPMI specification v2.0.





What:		/sys/devices/platform/ipmi_bmc.*/guid

Date:		Mar, 2006

KernelVersion:	v2.6.17

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) A GUID (Globally Unique ID), also referred to as a UUID

		(Universally Unique Identifier), for the management controller,

		as described in section 20.8 'Get Device GUID Command' of the

		IPMI specification v2.0.





What:		/sys/devices/platform/ipmi_si.*/type

Date:		Sep, 2017

KernelVersion:	v4.15

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) The device interface for IPMI "kcs", "smic", "bt" or

		"invalid"



What:		/sys/devices/platform/ipmi_si.*/idles

What:		/sys/devices/platform/ipmi_si.*/watchdog_pretimeouts

What:		/sys/devices/platform/ipmi_si.*/complete_transactions

What:		/sys/devices/platform/ipmi_si.*/events

What:		/sys/devices/platform/ipmi_si.*/interrupts

What:		/sys/devices/platform/ipmi_si.*/hosed_count

What:		/sys/devices/platform/ipmi_si.*/long_timeouts

What:		/sys/devices/platform/ipmi_si.*/flag_fetches

What:		/sys/devices/platform/ipmi_si.*/attentions

What:		/sys/devices/platform/ipmi_si.*/incoming_messages

What:		/sys/devices/platform/ipmi_si.*/short_timeouts

Date:		Sep, 2017

KernelVersion:	v4.15

Contact:	openipmi-developer@lists.sourceforge.net

Description:



		idles:			(RO) Number of times the interface was

					idle while being polled.



		watchdog_pretimeouts:	(RO) Number of watchdog pretimeouts.



		complete_transactions:	(RO) Number of completed messages.



		events:			(RO) Number of IPMI events received from

					the hardware.



		interrupts:		(RO) Number of interrupts the driver

					handled.



		hosed_count:		(RO) Number of times the hardware didn't

					follow the state machine.



		long_timeouts:		(RO) Number of times the driver

					requested a timer while nothing was in

					progress.



		flag_fetches:		(RO) Number of times the driver

					requested flags from the hardware.



		attentions:		(RO) Number of time the driver got an

					ATTN from the hardware.



		incoming_messages:	(RO) Number of asynchronous messages

					received.



		short_timeouts:		(RO) Number of times the driver

					requested a timer while an operation was

					in progress.





What:		/sys/devices/platform/ipmi_si.*/interrupts_enabled

Date:		Sep, 2017

KernelVersion:	v4.15

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Indicates whether interrupts are enabled or not. The driver

		disables interrupts when it gets into a situation where it

		cannot handle messages due to lack of memory. Once that

		situation clears up, it will re-enable interrupts.





What:		/sys/devices/platform/ipmi_si.*/params

Date:		Sep, 2017

KernelVersion:	v4.15

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		[to be documented]





What:		/sys/devices/platform/dmi-ipmi-ssif.*/type

Date:		Sep, 2017

KernelVersion:	v4.15

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		(RO) Shows the IMPI device interface type - "ssif" here.





What:		/sys/devices/platform/dmi-ipmi-ssif.*/hosed

What:		/sys/devices/platform/dmi-ipmi-ssif.*/alerts

What:		/sys/devices/platform/dmi-ipmi-ssif.*/sent_messages

What:		/sys/devices/platform/dmi-ipmi-ssif.*/sent_messages_parts

What:		/sys/devices/platform/dmi-ipmi-ssif.*/received_messages

What:		/sys/devices/platform/dmi-ipmi-ssif.*/received_message_parts

What:		/sys/devices/platform/dmi-ipmi-ssif.*/events

What:		/sys/devices/platform/dmi-ipmi-ssif.*/watchdog_pretimeouts

What:		/sys/devices/platform/dmi-ipmi-ssif.*/flag_fetches

What:		/sys/devices/platform/dmi-ipmi-ssif.*/send_retries

What:		/sys/devices/platform/dmi-ipmi-ssif.*/receive_retries

What:		/sys/devices/platform/dmi-ipmi-ssif.*/send_errors

What:		/sys/devices/platform/dmi-ipmi-ssif.*/receive_errors

Date:		Sep, 2017

KernelVersion:	v4.15

Contact:	openipmi-developer@lists.sourceforge.net

Description:

		hosed:			(RO) Number of times the hardware didn't

					follow the state machine.



		alerts:			(RO) Number of alerts received.



		sent_messages:		(RO) Number of total messages sent.



		sent_message_parts:	(RO) Number of message parts sent.

					Messages may be broken into parts if

					they are long.



		receieved_messages:	(RO) Number of message responses

					received.



		received_message_parts: (RO) Number of message fragments

					received.



		events:			(RO) Number of received events.



		watchdog_pretimeouts:	(RO) Number of watchdog pretimeouts.



		flag_fetches:		(RO) Number of times a flag fetch was

					requested.



		send_retries:		(RO) Number of time a message was

					retried.



		receive_retries:	(RO) Number of times the receive of a

					message was retried.



		send_errors:		(RO) Number of times the send of a

					message failed.



		receive_errors:		(RO) Number of errors in receiving

					messages.