linux-toradex.git/drivers/scsi/hpsa.h, branch v4.9.131

scsi: hpsa: limit outstanding rescans

2017-12-20T09:07:22+00:00

[ Upstream commit 87b9e6aa87d9411f1059aa245c0c79976bc557ac ]

Avoid rescan storms. No need to queue another if one is pending.

Reviewed-by: Scott Benesh 
Reviewed-by: Scott Teel 
Reviewed-by: Tomas Henzl 
Signed-off-by: Don Brace 
Signed-off-by: Martin K. Petersen 
Signed-off-by: Sasha Levin 
Signed-off-by: Greg Kroah-Hartman

scsi: hpsa: use bus '3' for legacy HBA devices

2016-11-22T22:17:55+00:00

Older controllers use SCSI target id '0' for the first internal disk. As
the controllers are now placed on the same bus as the internal disks
this leads to a clash with the SCSI target id of controller.  This patch
checks the SCSI revision, and moves older controller to bus '3' to be
compatible with older releases and avoid this problem.

[mkp: fixed uninitialized variable]

Fixes: 09371d623c9 ("hpsa: Change SAS transport devices to bus 0.")
Cc:  # v4.5+
Signed-off-by: Hannes Reinecke 
Acked-by: Don Brace 
Signed-off-by: Martin K. Petersen

scsi: hpsa: correct call to hpsa_do_reset

2016-09-21T20:42:05+00:00

calling fill_cmd() using a MACRO definition not handled in switch
statement causes BUG() to be called.

Signed-off-by: Don Brace 
Reviewed-by: Scott Teel 
Reviewed-by: Kevin Barnett 
Reviewed-by: Tomas Henzl 
Signed-off-by: Martin K. Petersen

hpsa: correct handling of HBA device removal

2016-04-29T23:08:24+00:00

Need to report HBA device removal faster than the
event handler polling interval.

Stop I/O to the removed disk and wait for all
I/O operations to flush before removing the device.

Reviewed-by: Scott Teel 
Reviewed-by: Kevin Barnett 
Signed-off-by: Don Brace 
Reviewed-by: Johannes Thumshirn 
Signed-off-by: Martin K. Petersen

hpsa: update copyright information

2016-02-24T02:27:02+00:00

Reviewed-by: Justin Lindley 
Reviewed-by: Kevin Barnett 
Reviewed-by: Matthew R. Ochs 
Signed-off-by: Don Brace 
Signed-off-by: Martin K. Petersen

hpsa: Change SAS transport devices to bus 0.

2016-01-06T20:10:35+00:00

SAS transport places devices on bus 0 but driver was setting the bus to
3.

Reviewed-by: Justin Lindley 
Reviewed-by: Kevin Barnett 
Reviewed-by: Scott Teel 
Reviewed-by: Matthew R. Ochs 
Reviewed-by: Hannes Reinecke 
Signed-off-by: Don Brace 
Signed-off-by: Martin K. Petersen

hpsa: add in sas transport class

2015-11-09T17:39:28+00:00

Reviewed-by: Scott Teel 
Reviewed-by: Justin Lindley 
Reviewed-by: Kevin Barnett 
Reviewed-by: Hannes Reinecke 
Reviewed-by: Tomas Henzl 
Reviewed-by: Matthew R. Ochs 
Signed-off-by: Don Brace 
Signed-off-by: Martin K. Petersen

hpsa: add discovery polling for PT RAID devices.

2015-11-09T17:39:27+00:00

There are problems with getting configuration change notification
in pass-through RAID environments.  So, activate flag
h->discovery_polling when one of these devices is detected in
update_scsi_devices.

After discovery_polling is set, execute a report luns from
rescan_controller_worker (every 30 seconds).

If the data from report_luns is different than last
time (binary compare), execute a full rescan via update_scsi_devices.

Reviewed-by: Scott Teel 
Reviewed-by: Justin Lindley 
Reviewed-by: Kevin Barnett 
Reviewed-by: Hannes Reinecke 
Reviewed-by: Matthew R. Ochs 
Signed-off-by: Don Brace 
Signed-off-by: Martin K. Petersen

hpsa: generalize external arrays

2015-11-09T17:39:26+00:00

External array LUNs must use target and lun numbers assigned by the
external array. So the driver must treat these differently from
local LUNs when assigning lun/target.

LUN's 'model' field has been used to detect Lun types that need
special treatment, but the desire is to eliminate the need to reference
specific array models, and support any external array.

Pass-through RAID (PTRAID) luns are not luns of the local controller,
so they are not reported in LUN count of command 'ID controller'.
However, they ARE reported in "Report logical Luns" command.
Local luns are listed first, then PTRAID LUNs.

The number of luns from "Report LUNs" in excess of those reported by
'ID controller' are therefore the PTRAID LUNS.

We can now remove function is_ext_target, and the 'white list'
array of supported model names.

Reviewed-by: Scott Teel 
Reviewed-by: Justin Lindley 
Reviewed-by: Kevin Barnett 
Signed-off-by: Don Brace 
Reviewed-by: Matthew R. Ochs 
Signed-off-by: Martin K. Petersen

hpsa: refactor hpsa_figure_bus_target_lun

2015-11-09T17:34:23+00:00

setup for sas transport. Need to set the
bus and target accordingly.

Reviewed-by: Scott Teel 
Reviewed-by: Justin Lindley 
Reviewed-by: Kevin Barnett 
Reviewed-by: Hannes Reinecke 
Signed-off-by: Don Brace 
Reviewed-by: Matthew R. Ochs 
Signed-off-by: Martin K. Petersen