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path: root/drivers/scsi/mvsas/mv_sas.c
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* [SCSI] mvsas: add support for Task collector mode and fixed relative bugsXiangliang Yu2011-05-011-134/+249
| | | | | | | | | | | | | 1. Add support for Task collector mode. 2. Fixed relative collector mode bug: - I/O failed when disks is on two ports - system hang when hotplug disk - system hang when unplug disk during run IO 3. Unlock ap->lock within .lldd_execute_task for direct mode to improve performance Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] Unify SAM_ and SAM_STAT_ macrosJames Bottomley2010-07-281-8/+8
| | | | | | | | | | | We have two separate definitions for identical constants with nearly the same name. One comes from the generic headers in scsi.h; the other is an enum in libsas.h ... it's causing confusion about which one is correct (fortunately they both are). Fix this by eliminating the libsas.h duplicate Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] mvsas: fix potential NULL dereferenceJiri Slaby2010-07-271-1/+3
| | | | | | | | Stanse found that in mvs_abort_task, mvi_dev is dereferenced earlier than tested for being NULL. Move the assignment below the test. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] mvsas: fix hot plug handling and IO issuesSrinivas2010-04-111-68/+133
| | | | | | | | | | | | | | | | | | | | | This patch adds a bunch of fixes 1. Reduce sg table size to 64 (SG_MX) instead of default SG_ALL 2. clear task lists on phy down events 3. release all tasks on port deformation 4. release current task for device gone notification 5. Add sata abort handing 6. Add 10ms delay to each port reset (currently done serially and with interrupts disabled) [jejb: whitespace fixes and clean ups plus added description added dummy 94xx_clear_srs_irq function just to prevent the mismatch in the mvs_dispatch structure killing 94xx cards] Signed-off-by: Srinivas <satyasrinivasp@hcl.in> Cc: Andy Yan <ayan@marvell.com> Cc: qswang@marvell.com Cc: jfeng@marvell.com Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* [SCSI] mvsas: remove all the casts from void * or to void *Andy Yan2009-05-231-18/+16
| | | | | | | Signed-off-by: Ying Chu <jasonchu@marvell.com> Signed-off-by: Andy Yan <ayan@marvell.com> Signed-off-by: Ke Wei <kewei@marvell.com Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: performance improvement using domain_device->lldd_devAndy Yan2009-05-231-15/+14
| | | | | | | | | | Using sticky field to improve retrieve performance by eliminating some lookups in . Remove some spurious casts. Signed-off-by: Ying Chu <jasonchu@marvell.com> Signed-off-by: Andy Yan <ayan@marvell.com> Signed-off-by: Ke Wei <kewei@marvell.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: bug fix, null pointer may be usedAndy Yan2009-05-231-4/+4
| | | | | | | | | Null pointer check to avoid corruption. Signed-off-by: Ying Chu <jasonchu@marvell.com> Signed-off-by: Andy Yan <ayan@marvell.com> Signed-off-by: Ke Wei <kewei@marvell.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: bug fix of dead lockAndy Yan2009-05-231-8/+6
| | | | | | | | | | TMF task should be issued with Interrupt Disabled, or Deadlock may take place. Clean-up unused parameters and conditonal lock. Signed-off-by: Ying Chu <jasonchu@marvell.com> Signed-off-by: Andy Yan <ayan@marvell.com> Signed-off-by: Ke Wei <kewei@marvell.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: bug fix with setting task management frame typeAndy Yan2009-05-231-3/+5
| | | | | | | | | Correct frame type setting according to parameter. Signed-off-by: Ying Chu <jasonchu@marvell.com> Signed-off-by: Andy Yan <ayan@marvell.com> Signed-off-by: Ke Wei <kewei@marvell.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: add support for 94xx; layout change; bug fixesAndy Yan2009-05-201-889/+1228
| | | | | | | | | | | | | | | | | | This version contains following main changes - Switch to new layout to support more types of ASIC. - SSP TMF supported and related Error Handing enhanced. - Support flash feature with delay 2*HZ when PHY changed. - Support Marvell 94xx series ASIC for 6G SAS/SATA, which has 2 88SE64xx chips but any different register description. - Support SPI flash for HBA-related configuration info. - Other patch enhanced from kernel side such as increasing PHY type [jejb: fold back in DMA_BIT_MASK changes] Signed-off-by: Ying Chu <jasonchu@marvell.com> Signed-off-by: Andy Yan <ayan@marvell.com> Signed-off-by: Ke Wei <kewei@marvell.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: split driver into multiple filesJeff Garzik2009-05-201-2110/+706
| | | | | | | | Split mvsas driver into multiple source codes, based on the split and function distribution found in Marvell's mvsas update. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] mvsas: move into new directory drivers/scsi/mvsas/Jeff Garzik2009-05-201-0/+3222
Zero functional changes, just file movement. This commit prepares for the upcoming integration of the Marvell-provided driver update that splits the driver into support for both 64xx and 94xx chip families. Signed-off-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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