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path: root/drivers/scsi/lpfc
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* [PATCH] mempool: use common mempool kmalloc allocatorMatthew Dobson2006-03-26
| | | | | | | | | | This patch changes several mempool users, all of which are basically just wrappers around kmalloc(), to use the common mempool_kmalloc/kfree, rather than their own wrapper function, removing a bunch of duplicated code. Signed-off-by: Matthew Dobson <colpatch@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [SCSI] lpfc 8.1.4 : Change version number to 8.1.4James Smart2006-03-12
| | | | | | | Change version number to 8.1.4 Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.4 : Two misc fixesJames Smart2006-03-12
| | | | | | | | | | Two misc fixes: - Fix deadlock caused by return with host_lock held in lpfc_findnode_did - Initialize all fields of the allocated mail box structure to zero. Was causing some sysfs mailbox commands to fail immediately after load. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.4 : Introduce lpfc_reset_barrier() function for resets on ↵James Smart2006-03-12
| | | | | | | | | | | | | | | | | dual channel adapters Introduce lpfc_reset_barrier() function for resets on dual channel adapters Workaround for a hardware errata on dual channel asics. There is a potential for the chip to lock up on a reset if a shared dma engine is in use. The (ugly) work around requires a reset process which uses a mailbox command to synchronize the independent channels prior to the reset to avoid the issue. Unfortunately, the timing windows required to ensure this workaround succeeds are very specific, meaning we can't release the cpu during the barrier. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.4 : Fixed a timer panic due to timer firing after freeing ndlpJames Smart2006-03-12
| | | | | | | Fixed a timer panic due to timer firing after freeing ndlp Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.4 : Fixed RSCN handling when a PLOGI is in retryJames Smart2006-03-12
| | | | | | | Fixed RSCN handling when a PLOGI is in retry. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.4 : Fix Discovery processing for NPorts that change their ↵James Smart2006-03-12
| | | | | | | | | | NPortId on the fly Fix Discovery processing for NPorts that change their NPortId on the fly due to a cable swap. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc: minor syntax fixesJames Bottomley2006-03-06
| | | | | | Stop gcc complaining about undefined variables Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Change version number to 8.1.3Jamie Wellnitz2006-03-06
| | | | | | | Change version number to 8.1.3 Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Fix polling mode panicJamie Wellnitz2006-03-06
| | | | | | | | | | | Fix polling mode panic Cause: Race between interrupt driven and polling path in harvesting iocbs from the response ring. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Protect NPL lists with host lockJamie Wellnitz2006-03-06
| | | | | | | | | | | | Protect NPL lists with host lock Symptoms: lpfc_findnode_rpi and lpfc_findnode_did can be called outside of the discovery thread context. We have to iterate through the NPL lists under the host lock and all add/del operations on those lists have to be done under host lock. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Fix deadlock in lpfc_fdmi_tmo_handlerJamie Wellnitz2006-03-06
| | | | | | | | | | | | | | Fix deadlock in lpfc_fdmi_tmo_handler lpfc_fdmi_tmo_handler was calling lpfc_fdmi_cmd with the host_lock held. lpfc_fdmi_cmd assumes the host_lock is released as it calls functions that acquire the host_lock. lpfc_fdmi_tmo_handler acquired the host_lock to protect access to work_hba_events. This was already checked in the worker thread so we can remove that code completely and remove access to the host_lock. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Fix performance when using multiple SLI ringsJamie Wellnitz2006-03-06
| | | | | | | | | | | | Fix performance when using multiple SLI rings Currently the driver allocates all of its SLI command and response ring entries to one primary ring. Other rings get little, or no, resources. Allow more resources to be given to ring 1 Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Remove unused MBhostaddr from lpfc_sli structureJamie Wellnitz2006-03-06
| | | | | | | Remove unused MBhostaddr from lpfc_sli structure Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: PCI hrd_type should be obtained with ↵Jamie Wellnitz2006-03-06
| | | | | | | | | | | | | | pci_read_config_byte() macro PCI hrd_type should be obtained with pci_read_config_byte() macro Driver keys off of this field to report the proper adapter type. The pci subsystem explicitly clears the multiport bit in the copy of the field given the driver. Thus, to properly name the card, obtain it from config space. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [PATCH] lpfc 8.1.3: Derive supported speeds from LMT field in the READ_CONFIGJamie Wellnitz2006-03-06
| | | | | | | | | Derive supported speeds from LMT field in the READ_CONFIG Driver was keying off internal cores. Use what the firmware reports instead. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Change version number to 8.1.2Jamie Wellnitz2006-02-28
| | | | | | | Change version number to 8.1.2 Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Modify RSCN handling to unregister rpis on lost ↵Jamie Wellnitz2006-02-28
| | | | | | | | | FCP_TARGETs immediately Modify RSCN handling to unregister rpis on lost FCP_TARGETs immediately Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Fix panic caused by HBA resets and target side cable pullsJamie Wellnitz2006-02-28
| | | | | | | Fix panic caused by HBA resets and target side cable pulls Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Fixed module parameter descriptions.Jamie Wellnitz2006-02-28
| | | | | | | Fixed module parameter descriptions. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Code cleanup of lpfc_mbx_cmpl_config_linkJamie Wellnitz2006-02-28
| | | | | | | Code cleanup of lpfc_mbx_cmpl_config_link Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Allow turning on internal loop-back modeJamie Wellnitz2006-02-28
| | | | | | | Allow turning on internal loop-back mode Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Code style changes for Discovery codeJamie Wellnitz2006-02-28
| | | | | | | Code style changes for Discovery code Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Make lpfc_els_rsp_rps_acc and lpfc_els_rsp_rpl_acc staticJamie Wellnitz2006-02-28
| | | | | | | Make lpfc_els_rsp_rps_acc and lpfc_els_rsp_rpl_acc static Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Added support for FANJamie Wellnitz2006-02-28
| | | | | | | Added support for FAN Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Add ERROR and WARM_START modes for diagnostic purposes.Jamie Wellnitz2006-02-28
| | | | | | | Add ERROR and WARM_START modes for diagnostic purposes. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Remove hba_list from struct lpfc_hbaJamie Wellnitz2006-02-28
| | | | | | | Remove hba_list from struct lpfc_hba Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Correct use of the hostdata field in scsi_hostJamie Wellnitz2006-02-28
| | | | | | | Correct use of the hostdata field in scsi_host Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Misc FC Discovery changes :Jamie Wellnitz2006-02-28
| | | | | | | | | | | | | | | | Misc FC Discovery changes : - Added FC_BYPASSED_MODE statistic - Corrected some log message data - Fix up Discovery infrastructure to support FAN: Allow Fabric entities to flow thru DSM Fix up linkup/linkdown unregister login processing for Fabric entities Clean up Discovery code Utilize nodev_tmo for Fabric entities - Use of 3 * ratov for CT handling timeouts - Fix up DSM to make more appropriate decisions and clean up code. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Add module parameter to limit number of outstanding ↵Jamie Wellnitz2006-02-28
| | | | | | | | | commands per lpfc HBA Add module parameter to limit number of outstanding commands per lpfc HBA Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Fixed a double insertion of mail box object to the SLI ↵Jamie Wellnitz2006-02-28
| | | | | | | | | mailbox list. Fixed a double insertion of mail box object to the SLI mailbox list. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Fixed system panic in lpfc_sli_brdreset during dynamic ↵Jamie Wellnitz2006-02-28
| | | | | | | | | add of LP11K Fixed system panic in lpfc_sli_brdreset during dynamic add of LP11K Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Explicitly initialize the skip_post argument to ↵Jamie Wellnitz2006-02-28
| | | | | | | | | | lpfc_sli_send_reset Explicitly initialize the skip_post argument to lpfc_sli_send_reset on a ERATT interrupt. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Fixed a race condition in the PLOGI retry logic.Jamie Wellnitz2006-02-28
| | | | | | | Fixed a race condition in the PLOGI retry logic. Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Handling of ELS commands RRQ, RPS, RPL and LIRR correctlyJamie Wellnitz2006-02-28
| | | | | | | Handling of ELS commands RRQ, RPS, RPL and LIRR correctly Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Remove unused SLI_IOCB_HIGH_PRIORITYJamie Wellnitz2006-02-28
| | | | | | | Remove unused SLI_IOCB_HIGH_PRIORITY Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Remove unreferenced cfg_fcp_bind_method from struct lpfc_hbaJamie Wellnitz2006-02-28
| | | | | | | Remove unreferenced cfg_fcp_bind_method from struct lpfc_hba Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.2: Remove unused prototypes from lpfc_crtn.hJamie Wellnitz2006-02-28
| | | | | | | Remove unused prototypes from lpfc_crtn.h Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc_scsi.c: make lpfc_get_scsi_buf() staticAdrian Bunk2006-01-12
| | | | | | Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: James Smart <James.Smart@Emulex.Com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Change version number to 8.1.1James.Smart@Emulex.Com2005-12-13
| | | | | Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : kill use of pci_read_config_xxxJames.Smart@Emulex.Com2005-12-13
| | | | Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Added code to adjust lun queue depth to avoid target ↵James.Smart@Emulex.Com2005-12-13
| | | | | | | overloading Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Add polled-mode supportJames.Smart@Emulex.Com2005-12-13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Add functionality to run in polled mode only. Includes run time attribute to enable mode. - Enable runtime writable hba settings for coallescing and delay parameters Customers have requested a mode in the driver to run strictly polled. This is generally to support an environment where the server is extremely loaded and is looking to reclaim some cpu cycles from adapter interrupt handling. This patch adds a new "poll" attribute, and the following behavior: if value is 0 (default): The driver uses the normal method for i/o completion. It uses the firmware feature of interrupt coalesing. The firmware allows a minimum number of i/o completions before an interrupt, or a maximum time delay between interrupts. By default, the driver sets these to no delay (disabled) or 1 i/o - meaning coalescing is disabled. Attributes were provided to change the coalescing values, but it was a module-load time only and global across all adapters. This patch allows them to be writable on a per-adapter basis. if value is 1 : Interrupts are left enabled, expecting that the user has tuned the interrupt coalescing values. When this setting is enabled, the driver will attempt to service completed i/o whenever new i/o is submitted to the adapter. If the coalescing values are large, and the i/o generation rate steady, an interrupt will be avoided by servicing completed i/o prior to the coalescing thresholds kicking in. However, if the i/o completion load is high enough or i/o generation slow, the coalescion values will ensure that completed i/o is serviced in a timely fashion. if value is 3 : Turns off FCP i/o interrupts altogether. The coalescing values now have no effect. A new attribute "poll_tmo" (default 10ms) exists to set the polling interval for i/o completion. When this setting is enabled, the driver will attempt to service completed i/o and restart the interval timer whenever new i/o is submitted. This behavior allows for servicing of completed i/o sooner than the interval timer, but ensures that if no i/o is being issued, then the interval timer will kick in to service the outstanding i/o. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Bring model descriptions in sync with Emulex standard ↵James.Smart@Emulex.Com2005-12-13
| | | | | | | generic names Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Add support for more members of the Light Pulse 11xxx ↵James.Smart@Emulex.Com2005-12-13
| | | | | | | (4Gb) family Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Fixes to error handlersJames.Smart@Emulex.Com2005-12-13
| | | | | | | | | - Release task management command before counting outstanding commands. TMF was being erroneously counted as an active outstanding command. - Serialize EH calls and block requests when EH function is running. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Remove locking wrappers around error handlersJames.Smart@Emulex.Com2005-12-13
| | | | | | | | Remove locking wrappers around error handlers. Wrappers were added in early 2.6.13 api change Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Adjust use of scsi_block_requests and interaction w/ FC ↵James.Smart@Emulex.Com2005-12-13
| | | | | | | | | | | | | 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>
* [SCSI] lpfc 8.1.1 : Fixes for short cable pullsJames.Smart@Emulex.Com2005-12-13
| | | | | | | | | | Cause: Link bounces were causing discovery ELS's to be killed. Driver was not properly flushing ELS commands upon the subsequent link bounces. Thus, processing of ELS post link bounce erroneously assumed discovery failure and device loss. Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] lpfc 8.1.1 : Correct some 8bit to 16bit field conversions/comparisonsJames.Smart@Emulex.Com2005-12-13
| | | | | Signed-off-by: James Smart <James.Smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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