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Add power_status to SES device slot, so we can power on/off the
HDDs behind the enclosure.
Check firmware status in ses_set_* before sending control pages to
firmware.
Signed-off-by: Song Liu <[email protected]>
Acked-by: Dan Williams <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Cc: Hannes Reinecke <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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The name provided by firmware is in a vendor specific format, publish
the slot number to have a reliable mechanism for identifying slots
across firmware implementations. If the enclosure does not provide a
slot number fallback to the component number which is guaranteed unique,
and usually mirrors the slot number.
Cleaned up the unused ses_component.desc in the process.
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: Song Liu <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Export the NAA logical id for the enclosure. This is optionally
available from the sas_transport_class, but it is really a property of
the enclosure.
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: Song Liu <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Cc: Hannes Reinecke <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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The slot and address fields have a small window of instability when
userspace can read them before initialization. Separate
enclosure_component
allocation from registration.
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: Song Liu <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Cc: Hannes Reinecke <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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Based on patch originally by Jeff Mahoney <[email protected]>
enclosure_status is expected to be a NULL terminated array of strings
but isn't actually NULL terminated. When writing an invalid value to
/sys/class/enclosure/.../.../status, it goes off the end of the array
and Oopses.
Fix by making the assumption true and adding NULL at the end.
Reported-by: Artur Wojcik <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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Right at the moment, hot removal of a device within an enclosure does
nothing (because the intf_remove only copes with enclosure removal not
with component removal). Fix this by adding a function to remove the
component. Also needed to fix the prototype of
enclosure_remove_device, since we know the device we've removed but
not the internal component number
Signed-off-by: James Bottomley <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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In a situation either with expanders or with multiple enclosure
devices, hot add doesn't always work. This is because we try to find
a single enclosure device attached to the host. Fix this by looping
over all enclosure devices attached to the host and also by making the
find loop recognise that the enclosure devices may be expander remote
(i.e. not parented by the host).
Signed-off-by: James Bottomley <[email protected]>
Signed-off-by: James Bottomley <[email protected]>
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It's big, but there doesn't seem to be a way to split it up smaller...
Signed-off-by: Tony Jones <[email protected]>
Signed-off-by: Kay Sievers <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Sean Hefty <[email protected]>
Cc: Hal Rosenstock <[email protected]>
Cc: James Bottomley <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The enclosure misc device is really just a library providing sysfs
support for physical enclosure devices and their components.
Signed-off-by: James Bottomley <[email protected]>
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