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docs: ABI: testing: Document the SBEFIFO timeout interface

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Add documentation for the new sysfs entry that indicates whether or not
the SBE has timed out.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20211019211749.38059-2-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Eddie James 2021-10-19 16:17:48 -05:00 committed by Joel Stanley
parent 5027a34a57
commit 9a93de620e
1 changed files with 10 additions and 0 deletions
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Documentation/ABI/testing/sysfs-bus-fsi-devices-sbefifo Normal file
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What: /sys/bus/fsi/devices/XX.XX.00:06/sbefifoX/timeout
KernelVersion: 5.15
Contact: eajames@linux.ibm.com
Description:
Indicates whether or not this SBE device has experienced a
timeout; i.e. the SBE did not respond within the time allotted
by the driver. A value of 1 indicates that a timeout has
ocurred and no transfers have completed since the timeout. A
value of 0 indicates that no timeout has ocurred, or if one
has, more recent transfers have completed successful.