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CMIS 5.2 standard section 9.4.2 defines four types of firmware update
supported mechanism: None, only LPL, only EPL, both LPL and EPL.
Currently, only LPL (Local Payload) type of write firmware block is
supported. However, if the module supports both LPL and EPL the flashing
process wrongly fails for no supporting LPL.
Fix that, by allowing the write mechanism to be LPL or both LPL and
EPL.
Fixes: c4f78134d45c ("ethtool: cmis_fw_update: add a layer for supporting firmware update using CDB")
Reported-by: Vladyslav Mykhaliuk <vmykhaliuk@nvidia.com>
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20240812140824.3718826-1-danieller@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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According to the CMIS standard, the firmware update process is done using
a CDB commands sequence.
Implement a work that will be triggered from the module layer in the
next patch the will initiate and execute all the CDB commands in order, to
eventually complete the firmware update process.
This flashing process includes, writing the firmware image, running the new
firmware image and committing it after testing, so that it will run upon
reset.
This work will also notify user space about the progress of the firmware
update process.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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