All,
With the remote port patches in the pipeline for 2.6.12, I'd like to
submit the following set of qla2xxx patches which strip many of the
legacy features from the driver. Again, these 'features' have been
superceded in functionality and simplicity by additions present with
fc_rports.
Here's the breakdown of patches being submitted:
1) Remove internal command queuing. This entails removal of the
driver's *_queue lists as well as modifications and removal of
routines which used them. With the queuing removed -- the
driver will be unable to tolerate cable-pulls. Thus we depend
on the next patch for support.
2) Add initial support for FC remote port infrastructure.
3) Remove internal lun discovery routines and support structures.
The mid-layer has a more exhaustive and fully capable set of
functions for lun discovery.
4) Clean-up DMA mappings -- patch originally submitted by
Doug Ledford <[EMAIL PROTECTED]>.
Don't use cmd->request->nr_hw_segments as it may not be initialized
(SG_IO in particular bypasses anything that initializes this and just
uses scsi_do_req to insert a scsi_request directly on the head of the
queue) and a bogus value here can trip up the checks to make sure that
the number of segments will fit in the queue ring buffer, resulting in
commands that are never completed.
Fix up several issues with PCI DMA mapping and failure to check return
values on the mappings.
Make the check for space in the ring buffer happen after the DMA mapping
is done since any checks done before the mapping has taken place are
bogus.
5) Remove /proc support.
Other patches in the queue:
a) Complete fc_host attributes support.
b) Support new queue-depth operations (via change_queue_depth()).
c) additional hardware (ISP) support.
d) Additional dusting and scrubbing: unused functions and structures
left over from the cleanup.
e) firmware loading via request_firmware() infrastructure.
f) lock simplification and consolidation.
Regards,
Andrew Vasquez
QLogic Corporation
-
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
