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path: root/drivers/scsi/pm8001/pm8001_sas.h
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* pm80xx: set PHY profiles for ATTO 12Gb SAS controllersBenjamin Rood2015-11-021-0/+2
| | | | | | | | | | | | PHY profiles are not saved in NVRAM on ATTO 12Gb SAS controllers. Therefore, in order for the controller to function in a wide range of configurations, the PHY profiles must be statically set. This patch provides the necessary functionality to do so. Signed-off-by: Benjamin Rood <brood@attotech.com> Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* pm80xx: add support for PMC Sierra 8070 and PMC Sierra 8072 SAS controllersBenjamin Rood2015-11-021-1/+3
| | | | | | | | | These SAS controllers support speeds up to 12Gb. Signed-off-by: Benjamin Rood <brood@attotech.com> Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* pm80xx: Bump pm80xx driver version to 0.1.38Viswas G2015-08-261-1/+1
| | | | | | | | | | | Bump pm80xx driver version to 0.1.38. Signed-off-by: Viswas G <Viswas.G@pmcs.com> Reviewed-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* pm80xx: Add PORT RECOVERY TIMEOUT supportViswas G2015-08-261-1/+1
| | | | | | | | | | | | | | | | | PORT RECOVERY TIMEOUT is the maximum time between the controller's detection of the PHY down until the receipt of the ID_Frame (from the same remote SAS port). If the time expires before the ID_FRAME is received, the port is considered INVALID and can be removed. The IOP_EVENT_PORT_RECOVERY_TIMER_TMO event is reported following the IOP_EVENT_ PHY_DOWN event when the PHY/port does not recover after Port Recovery Time. Signed-off-by: Viswas G <Viswas.G@pmcs.com> Reviewed-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* pm80xx: Corrected device state changes in I_T_Nexus_Reset.Viswas G2015-08-261-0/+8
| | | | | | | | | | In Nexus reset the device state request are not needed. Signed-off-by: Viswas G <Viswas.G@pmcs.com> Reviewed-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Acked-by: Jack Wang <jinpu.wang@profitbricks.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* libsas: remove task_collector modeChristoph Hellwig2014-11-271-2/+1
| | | | | | | | | | | | | | | | | | The task_collector mode (or "latency_injector", (C) Dan Willians) is an optional I/O path in libsas that queues up scsi commands instead of directly sending it to the hardware. It generall increases latencies to in the optiomal case slightly reduce mmio traffic to the hardware. Only the obsolete aic94xx driver and the mvsas driver allowed to use it without recompiling the kernel, and most drivers didn't support it at all. Remove the giant blob of code to allow better optimizations for scsi-mq in the future. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Dan Williams <dan.j.williams@intel.com>
* pm8001: add a new spinlock to protect the CCBTomas Henzl2014-07-251-0/+1
| | | | | | | | | | | Patch adds a new spinlock to protect the ccb management. It may happen that concurrent threads become the same tag value from the 'alloc' function', the spinlock prevents this situation. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Acked-by: Jack Wang <xjtuwjp@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* pm8001: clean bitmap management functionsTomas Henzl2014-07-251-1/+0
| | | | | | | | | | | In the driver two different functions are used to free the same resource, this patch makes the code easier to read. In addittion to that, some minor optimisations were made too. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Acked-by: Jack Wang <xjtuwjp@gmail.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* [SCSI] pm80xx: Spinlock fixSuresh Thiagarajan2014-03-151-0/+12
| | | | | | | | | | | | | | | | | | spin_lock_irqsave for the HBA lock is called in one function where flag is local to that function. Another function is called from the first function where lock has to be released using spin_unlock_irqrestore for calling task_done of libsas. In the second function also flag is declared and used. For calling task_done there is no need to enable the irq. So instead of using spin_lock_irqsave and spin_unlock_irqrestore, spin_lock and spin_unlock is used now. This also avoids passing the flags across all the functions where HBA lock is being used. Also removed redundant code. Reported-by: Jason Seba <jason.seba42@gmail.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com> Signed-off-by: Viswas G <viswas.g@pmcs.com> Acked-by: Jack Wang <xjtuwjp@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Tasklets synchronization fix.Nikith Ganigarakoppal2013-12-021-3/+6
| | | | | | | | | | | | | When multiple vectors are used, the vector variable is over written, resulting in unhandled operation for those vectors. This fix prevents the problem by maitaining HBA instance and vector values for each irq. [jejb: checkpatch fixes] Signed-off-by: Nikith.Ganigarakoppal@pmcs.com Signed-off-by: Anandkumar.Santhanam@pmcs.com Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Firmware logging support.Anand Kumar Santhanam2013-10-251-0/+68
| | | | | | | | | | | | Supports below logging facilities, Inbound outbound queues dump. Non fatal dump in case of IO failures. Fatal dump in case of firmware failure. [jejb: checkpatch spacing fixes] Signed-off-by: Anandkumar.Santhanam@pmcs.com Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Phy settings support for motherboard controller.Anand Kumar Santhanam2013-10-251-1/+2
| | | | | | | | | | Phy profile implementation to support phy settings feature for motherboard controllers. [jejb: checkpatch fixes] Signed-off-by: Anandkumar.Santhanam@pmcs.com Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Device id changes to support series 8 controllers.Anand Kumar Santhanam2013-10-251-0/+3
| | | | | | | | | Updated pci id table with device, vendor, subdevice and subvendor ids for 8074, 8076, 8077 SAS/SATA 12G controllers. Added 12G related macros. Signed-off-by: Anandkumar.Santhanam@pmcs.com Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] sas: unify the pointlessly separated enums sas_dev_type and ↵James Bottomley2013-05-101-2/+2
| | | | | | | | | | | | | | | | | | sas_device_type These enums have been separate since the dawn of SAS, mainly because the latter is a procotol only enum and the former includes additional state for libsas. The dichotomy causes endless confusion about which one you should use where and leads to pointless warnings like this: drivers/scsi/mvsas/mv_sas.c: In function 'mvs_update_phyinfo': drivers/scsi/mvsas/mv_sas.c:1162:34: warning: comparison between 'enum sas_device_type' and 'enum sas_dev_type' [-Wenum-compare] Fix by eliminating one of them. The one kept is effectively the sas.h one, but call it sas_device_type and make sure the enums are all properly namespaced with the SAS_ prefix. Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: thermal, sas controller config and error handling updateSakthivel K2013-05-101-0/+2
| | | | | | | | | | | | Modified thermal configuration to happen after interrupt registration Added SAS controller configuration during initialization Added error handling logic to handle I_T_Nexus errors and variants [jejb: fix up tabs and spaces issues] Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: NCQ error handling changesSakthivel K2013-05-101-3/+12
| | | | | | | | | | | | Handled NCQ errors in the low level driver as the FW is not providing the faulty tag for NCQ errors for libsas to recover. [jejb: fix checkpatch issues] Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Changed module name and debug messages updateSakthivel K2013-05-101-4/+4
| | | | | | | | | | Changed name in driver to pm80xx. Updated debug messages. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant ↵Sakthivel K2013-05-101-2/+4
| | | | | | | | | | | | | | changes in common files Implementation of SPCv/ve specific hardware functionality and macros. Changing common functionalities wrt SPCv/ve operations. Conditional checks for SPC specific operations. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: MSI-X implementation for using 64 interruptsSakthivel K2013-05-101-0/+2
| | | | | | | | | | | Implementation of interrupt handlers and tasklets to support upto 64 interrupt for the device. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Updated common functions common for SPC and SPCv/veSakthivel K2013-05-101-5/+55
| | | | | | | | | | | Update of function prototype for common function to SPC and SPCv/ve. Multiple queues implementation for IO. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPCSakthivel K2013-05-101-11/+81
| | | | | | | | | | | | | Updated pci id table with device, vendor, subdevice and subvendor ids for 8081, 8088, 8089 SAS/SATA controllers. Added SPCv/ve related macros. Updated macros, hba info structure and other structures for SPCv/ve. Update of structure and variable names for SPC hardware functionalities. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm8001: deficient responses to IO_XFER_ERROR_BREAK and ↵Mark Salyzyn2012-02-191-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IO_XFER_OPEN_RETRY_TIMEOUT IO_XFER_ERROR_BREAK and IO_XFER_OPEN_RETRY_TIMEOUT are deficient of the required actions as outlined in the programming manual for the pm8001. Due to the overlapping code requirements of these recovery responses, we found it necessary to bundle them together into one patch. When a break is received during the command phase (ssp_completion), this is a result of a timeout or interruption on the bus. Logic suggests that we should retry the command. When a break is received during the data-phase (ssp_event), the task must be aborted on the target or it will retain a data-phase lock turning the target reticent to all future media commands yet will successfully respond to TUR, INQUIRY and ABORT leading eventually to target failure through several abort-cycle loops. The open retry interval is exceedingly short resulting in occasional target drop-off during expander resets or when targets push-back during bad-block remapping. Increased effective timeout from 130ms to 1.5 seconds for each try so as to trigger after the administrative inquiry/tur timeout in the scsi subsystem to keep error-recovery harmonics to a minimum. When an open retry timeout event is received, the action required by the targets is to issue an abort for the outstanding command then logic suggests we retry the command as this state is usually an indication of a credit block or busy condition on the target. We hijacked the pm8001_handle_event work queue handler so that it will handle task as an argument instead of device for the workers in support of the deferred handling outlined above. Moderate to Heavy bad-path testing on a 2.6.32 vintage kernel, compile-testing on scsi-misc-2.6 kernel ... Signed-off-by: Mark Salyzyn <mark_salyzyn@xyratex.com> Acked-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm8001: Add FUNC_GET_EVENTSMark Salyzyn2012-02-191-0/+1
| | | | | | | | | | | | | | | | Jack noticed I dropped a patch fragment associated with a flags automatic variable in mpi_set_phys_g3_with_ssc (ooops) and that the pre-emptive locking that piggy-backed this patch was not in-fact necessary because of underlying atomic accesses to the hardware. Here is the updated patch fixing these two issues. The pm8001 driver is missing the FUNC_GET_EVENTS handler in the phy control function. Since the pm8001_bar4_shift function was not designed to be called at runtime, added locking surrounding the adjustment for all accesses. Signed-off-by: Mark Salyzyn <mark_salyzyn@xyratex.com> Acked-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] pm8001: remove pm8001_slave_{alloc|configure}Dan Williams2011-10-021-2/+0
| | | | | | | | | | | | | | | libsas handles: 1/ limiting ata scanning to lun0 2/ changes to /sys/block/<sdX>/device/queue_depth for ata devices libata handles turning off ncq globally via kernel command line (libata.force=noncq) or sysfs (echo 1 > /sys/block/<sdX>/device/queue_depth). A lldd specific compile option is not necessary. Cc: Jack Wang <jack_wang@usish.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* atomic: use <linux/atomic.h>Arun Sharma2011-07-261-1/+1
| | | | | | | | | | | | | | This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Fix common misspellingsLucas De Marchi2011-03-311-1/+1
| | | | | | Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
* [SCSI] pm8001: simplify workqueue usageTejun Heo2011-02-121-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | pm8001 manages its own list of pending works and cancel them on device free. It is unnecessarily complex and has a race condition - the works are canceled but not synced, so the work could still be running during and after the data structures are freed. This patch simplifies workqueue usage. * A driver specific workqueue pm8001_wq is created to serve these work items. * To avoid confusion, the "queue" suffixes are dropped from work items and functions. * Delayed queueing was never used. pm8001_work now uses work_struct instead. * The driver no longer keeps track of pending works. All pm8001_works are queued to pm8001_wq and the workqueue is flushed as necessary. flush_scheduled_work() usage is removed during conversion. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* BKL: remove extraneous #include <smp_lock.h>Arnd Bergmann2010-11-171-1/+0
| | | | | | | | | | The big kernel lock has been removed from all these files at some point, leaving only the #include. Remove this too as a cleanup. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [SCSI] pm8001: misc code cleanupjack wang2009-12-101-2/+2
| | | | | | | | Add more data to printk's, add some spaces around arithmetic ops and improve comments. Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] pm8001: enable read HBA SAS address from VPDjack wang2009-12-101-6/+18
| | | | | Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] pm8001: enhance error handle for IO patchjack wang2009-12-101-0/+4
| | | | | | | | Enhance error handle for IO patch, when the port is down, fast return phy down for task. Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] pm8001: enhance IOMB process modulesjack_wang2009-12-041-1/+1
| | | | | | | | | | We set interupt cascading count of outbound queue to get better performance, correct some unnecessary return values and some noisy print messages. patch attached. Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] pm8001: add reinitialize SPC parameters before phy startjack_wang2009-12-041-0/+1
| | | | | | Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] pm8001: add SAS/SATA HBA driverjack wang2009-12-041-0/+480
This driver supports PMC-Sierra PCIe SAS/SATA 8x6G SPC 8001 chip based host adapters. Signed-off-by: Jack Wang <jack_wang@usish.com> Signed-off-by: Lindar Liu <lindar_liu@usish.com> Signed-off-by: Tom Peng <tom_peng@usish.com> Signed-off-by: Kevin Ao <aoqingyun@usish.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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