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path: root/drivers/scsi/lpfc/lpfc_hbadisc.c
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2005-12-13[SCSI] lpfc 8.1.1 : Adjust use of scsi_block_requests and interaction w/ FC ↵James.Smart@Emulex.Com
transport - Remove unnecessary scsi_block_requests calls on rport deletes. This was deadlocking the sdev removals as they wanted to flush commands. - No longer block requests when adding the remote port (to block discovery). Instead, register, then change port role. Maps to Qlogic behavior, and closer to the register-node-upon-first-ELS behavior. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-29[SCSI] lpfc: Fix for "command completion for iotax x?? not found"James Bottomley
From: James Smart <James.Smart@emulex.com> There were scenarios where the error handlers could reuse an iotag value of an active io. Remove all possibility of this by pre-assigning iotag resources to command resources. Signed-off-by: James Smart <James.Smart@emulex.com> Rejections fixed up and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-29[SCSI] lpfc: Remove RPI hash from the driverJames.Smart@Emulex.Com
Table was not providing a lot of value and injected a couple of errors. Removed it and made functionality inline. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-10-28[SCSI] update fc_transport for removal of block/unblock functionsJames.Smart@Emulex.Com
We recently went back to implement a board reset. When we perform the reset, we wanted to tear down the internal data structures and rebuild them. Unfortunately, when it came to the rport structure, things were odd. If we deleted them, the scsi targets and sdevs would be torn down. Not a good thing for a temporary reset. We could block the rports, but we either maintain the internal structures to keep the rport reference (perhaps even replicating what's in the transport), or we have to fatten the fc transport with new search routines to find the rport (and deal with a case of a dangling rport that the driver forgets). It dawned on me that we had actually reached this state incorrectly. When the fc transport first started, we did the block/unblock first, then added the rport interface. The purpose of block/unblock is to hide the temporary disappearance of the rport (e.g. being deleted, then readded). Why are we making the driver do the block/unblock ? We should be making the transport have only an rport add/delete, and the let the transport handle the block/unblock. So... This patch removes the existing fc_remote_port_block/unblock functions. It moves the block/unblock functionality into the fc_remote_port_add/delete functions. Updates for the lpfc driver are included. Qlogic driver updates are also enclosed, thanks to the contributions of Andrew Vasquez. [Note: the qla2xxx changes are relative to the scsi-misc-2.6 tree as of this morning - which does not include the recent patches sent by Andrew]. The zfcp driver does not use the block/unblock functions. One last comment: The resulting behavior feels very clean. The LLDD is concerned only with add/delete, which corresponds to the physical disappearance. However, the fact that the scsi target and sdevs are not immediately torn down after the LLDD calls delete causes an interesting scenario... the midlayer can call the xxx_slave_alloc and xxx_queuecommand functions with a sdev that is at the location the rport used to be. The driver must validate the device exists when it first enters these functions. In thinking about it, this has always been the case for the LLDD and these routines. The existing drivers already check for existence. However, this highlights that simple validation via data structure dereferencing needs to be watched. To deal with this, a new transport function, fc_remote_port_chkready() was created that LLDDs should call when they first enter these two routines. It validates the rport state, and returns a scsi result which could be returned. In addition to solving the above, it also creates consistent behavior from the LLDD's when the block and deletes are occuring. Rejections fixed up and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-09-21[SCSI] lpfc build fixAndrew Morton
gcc-2.95.x doesn't do anonymous unions. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-09-10[SCSI] lpfc: use wwn_to_u64() transport helperAndrew Vasquez
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Acked-by: Smart, James <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-08-12[SCSI] lpfc driver 8.0.30 : convert to use of int_to_scsilun()James.Smart@Emulex.Com
Replace use of lpfc_put_lun with midlayer's int_to_scsilun Remove driver's local definition of lpfc_put_lun (which converts an int back to a 64-bit LUN) and replace it's use with the recently added int_to_scsilun function provided by the midlayer. Note: Embedding midlayer structure in our structure caused need for more files to include midlayer headers. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-08-12[SCSI] lpfc driver 8.0.30 : fix lip/cablepull panicJames.Smart@Emulex.Com
Fix panic on lip and cable pull Symptoms: Panic on lip or cable pull Cause: Use after free of nlp in lpfc_nlp_remove() Fix: Do not make FC transport calls after a node is removed. Transport calls are disabled by ignoring the initial delete transition. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-07-02[SCSI] lpfc: Update copyright noticesJames.Smart@Emulex.Com
Update copyright notice text and include year 2005. Add Copyright notice for Christoph Hellwig to several files: lpfc.h lpfc_attr.c lpfc_els.c lpfc_hbadisc.c lpfc_init.c lpfc_mbox.c lpfc_mem.c lpfc_nportdisc.c lpfc_scsi.c lpfc_sli.c Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-07-02[SCSI] lpfc: Remove $Id$ keyword strings.James.Smart@Emulex.Com
Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-07-02[SCSI] Fix issue where all hosts log nodev message for other initiatorsJames.Smart@Emulex.Com
Fix issue where all hosts connected to SAN get spammed with nodev message when other initiators go away. Display nodev message only when FC targets go away. However this behavior will be overridden if LOG_DISCOVERY is set. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2005-04-18lpfc: add Emulex FC driver version 8.0.28
From: James.Smart@Emulex.Com Modified for kernel import and Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>