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path: root/drivers/block/cciss_cmd.h
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2009-07-03cciss: Ignore stale commands after rebootHannes Reinecke
When doing an unexpected shutdown like kexec the cciss firmware might still have some commands in flight, which it is trying to complete. The driver is doing it's best on resetting the HBA, but sadly there's a firmware issue causing the firmware _not_ to abort or drop old commands. So the firmware will send us commands which we haven't accounted for, causing the driver to panic. With this patch we're just ignoring these commands as there is nothing we could be doing with them anyway. Signed-off-by: Hannes Reinecke <hare@suse.de> Acked-by: Mike Miller <mike.miller@hp.com> Signed-off-by: Jens Axboe <axboe@carl.(none)>
2009-06-09cciss: simplify interface of sendcmd() and sendcmd_withirq()scameron@beardog.cca.cpqcorp.net
Simplify interfaces of sendcmd() and sendcmd_withirq() so that they provide only one way to address commands instead of three ways. Signed-off-by: Stephen M. Cameron <scameron@beardog.cca.cpqcorp.net> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2009-04-07cciss: kernel scan thread for MSA2012Mike Miller
The MSA2012 cannot inform the driver of configuration changes since all management is out of band. This is a departure from any storage we have supported in the past. We need some way to detect changes on the topology so we implement this kernel thread. In some instances there's nothing we can do from the driver (like LUN failure) so just print out a message. In the case where logical volumes are added or deleted we call rebuild_lun_table to refresh the driver's view of the world. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-12-29cciss: switch to using hlist for command list managementJens Axboe
This both cleans up the code and also helps detect the spurious case of a command attempted being removed from a queue it doesn't belong to. Acked-by: Mike Miller <mike.miller@hp.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2006-12-07[PATCH] cciss: add support for 1024 logical volumesMike Miller
Add the support for a large number of logical volumes. We will soon have hardware that support up to 1024 logical volumes. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-12-07[PATCH] cciss: disable DMA prefetch on P600Mike Miller
Unconditionally disable DMA prefetch on the P600 controller. An ASIC bug may result in prefetching beyond the end of physical memory. Signed-off-by: Mike Miller <mike.miller@hp.com> Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-01[PATCH] cciss: support for >2TB logical volumesMike Miller (OS Dev)
Add support for logical volumes >2TB. All SAS/SATA controllers support large volumes. Signed-off-by: Mike Miller <mike.miller@hp.com> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-13[PATCH] cciss: direct lookup for command completionsMike Miller
This patch changes the way we complete commands. In the old method when we got a completion we searched our command list from the top until we find it. This method uses a tag associated with each command (not SCSI command tagging) to index us directly to the completed command. This helps performance. Signed-off-by: Don Brace <dab@hp.com> Signed-off-by: Mike Miller <mike.miller@hp.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-04-16Linux-2.6.12-rc2Linus Torvalds
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!