Commit Graph

38 Commits

Author SHA1 Message Date
Jayamohan Kallickal 3567f36a09 [SCSI] be2iscsi: Fix AER handling in driver
Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:10 +01:00
Jayamohan Kallickal 1f536d49cb [SCSI] be2iscsi: Fix Insufficient Buffer Error returned in MBX Completion
When MBX_Cmd completion happens with error code Insufficient Buffer,
the MBX_Cmd is posted again with the new buffer size posted by FW.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:09 +01:00
Jayamohan Kallickal 4eea99d55d [SCSI] be2iscsi: Fix WRB_Q posting to support Dual Chute mode
Configuration parameters return number of CID each chute supports. The WRB_Q
is created for the passed CID count. If both the Chute has iSCSI Protocol then
WRB_Q creation is in a round robin mechanism.

For BE-X family iSCSI protocol is loaded only on single chute.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:07 +01:00
Jayamohan Kallickal 8a86e8336f [SCSI] be2iscsi: Fix changes in ASYNC Path for SKH-R adapter
DEF_Q[HDR/DATA] is created on the chute on which iSCSI Protocol is loaded.
When a connection is offloaded, the DEF_Q HDR/Data ID needs to be passed.
FW posts ASYNC message received from target on the passed DEF_Q. Connection
can be offloaded on any of the chute so DEF_Q is created on each Chute.

Change in the ASYNC path initialization based on the configuration parameters
returned for each chute.

For BE-X family iSCSI protocol is loaded only on single chute.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:06 +01:00
Jayamohan Kallickal 92665a6628 [SCSI] be2iscsi: Fix soft lock up issue during UE or if FW taking time to respond
The timeout set in MBX_CMD is 100sec and the ready bit checking in BMBX
mode is done for 4sec. After 4sec the task is scheduled out for 5 secs
to avoid kernel soft lockup stack trace. The loop of 4sec ready bit check
and then schedule out is done until the following conditon occur
- The Ready Bit is Set
- The timeout set in MBX_CMD expires

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:05 +01:00
Jayamohan Kallickal e074d20f9b [SCSI] be2iscsi: Fix the MCCQ count leakage
When MBX CMD is posted in MCCQ and if command times out,during
mccq resource cleanup for the timed out command  mccq->count
was not decremented. The led to BUG_ON being hit.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:04 +01:00
Jayamohan Kallickal 15a90fe05c [SCSI] be2iscsi: Fix Template HDR IOCTL
Allocating memory in the Host which will be used by the
TOE functionality during Session Offload. This fix will
allow performance improvement as adapter memory contention
will be reduced.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-10-25 09:58:04 +01:00
Jayamohan Kallickal 533c165fa8 [SCSI] be2scsi: Update copyright dates to 2013
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 08:16:45 -07:00
Jayamohan Kallickal 6ea9b3b033 [SCSI] be2iscsi: Fix the Port Link Status issue
Check the Logical Link status also as part of the port link status.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 08:13:21 -07:00
Jayamohan Kallickal ef9e1b9bdc [SCSI] be2iscsi: Fix support for DEFQ extension
Fix support for DEFQ extension which will be used by latest
adapters

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 08:09:25 -07:00
Jayamohan Kallickal 2c9dfd3649 [SCSI] be2iscsi: Fix MACRO for checking the adapter type
Fixed the code flow based on the MACRO defined to check for
adapter.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 08:08:38 -07:00
Jayamohan Kallickal 1e234bbbea [SCSI] be2iscsi: Fix MBX Command issues
- Check Ready Bit before posting the BMBX Hi Address
- Fix the parameters passed to beiscsi_mccq_compl
  in beiscsi_open_conn()
- Fix tag value check in beiscsi_ep_connect.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 08:08:13 -07:00
Jayamohan Kallickal a8081e346a [SCSI] be2iscsi: Fix returning Failure when MBX fails with Insufficient buffer error
When MBX command fails with insufficent buffer, check for the
response lenght returned. Return success if response length
is non-zero value which indicates valid data.

Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 08:07:55 -07:00
Jayamohan Kallickal 0283fbb18c [SCSI] be2iscsi: Fix lack of uninitialize pattern to FW
This patch sends uninitialize pattern to FW during driver unload
which is expected by FW for cleanup

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2013-05-02 07:54:38 -07:00
John Soni Jose 7a15800357 [SCSI] be2iscsi: Fix Unrecoverable Error Detection
Driver periodically checks adapter state,is up fine or not.
Based on the value updates the internal structures of driver.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-27 08:59:42 +04:00
John Soni Jose e175defea7 [SCSI] be2iscsi: Fix for MBX timeout issue
The MBX timeout value set to 100 and if adapter doesn;t
return response in that time driver will return from waiting
for completion with an error to the caller. In the earlier code
driver use to wait until MBX  response comes from adapter.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-27 08:59:41 +04:00
John Soni Jose 5faf17b4f4 [SCSI] be2iscsi: Update the copyright information
Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-27 08:59:41 +04:00
John Soni Jose eaae5267de [SCSI] be2iscsi: Fix support for handling CQ_CREATE V2 version.
For latest adapters, V2 version of cq_create MBX_CMD is to be used. When
driver is loaded depending on the adapter type appropriate cq_create command
will be called.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-27 08:59:38 +04:00
Minh Tran 1d8bc70a5e [SCSI] be2iscsi: Fix the issue with soft reset.
Fixed soft_reset problem which driver modified
all 32bit before a write on second pass.

Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-11-27 08:59:34 +04:00
John Soni Jose 6f72238e77 [SCSI] be2iscsi: Add support for configuring the VLAN on the adapter.
Add support for configuring the VLAN parameters on the adapter
using the iscsiadm interface.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-09-14 17:59:27 +01:00
John Soni Jose 99bc5d55c0 [SCSI] be2iscsi: Added Logging mechanism for the driver.
Added new log level mechanism for different events. These
log levels can be set at driver load time/run time. The
log level is set for each Scsi_host.

Fixed few multi-line print warning to get over the new checkpatch.pl
warnings on multi-line strings.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-09-14 17:59:27 +01:00
John Soni Jose 2177199d51 [SCSI] be2iscsi: Get Initiator Name for the iSCSI_Host
Implement the ISCSI_HOST_PARAM_INITIATOR_NAME for .get_host_param

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-04-25 09:29:35 +01:00
Jayamohan Kallickal 37609766bf [SCSI] be2iscsi: memset wrb for ring create
This patch fixes a situation when  wrb was not being memset to zero
before being used

Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 11:03:40 -05:00
Jayamohan Kallickal e528586079 [SCSI] be2iscsi: Fix for kdump failure
This patch fixes the Kdump failure reported by Redhat wich was caused by
be2iscsi resetting the Chip when be2iscsi detects it is in crashdump mode. If
be2net was loaded before be2iscsi then this leaves be2net driver hanging on to
resources that the chip stopped recognising after the reset.

This patch replaces  chip reset with Function reset so that only the
particular function and not the whole chip is affected

Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-10-16 11:01:06 -05:00
Jayamohan Kallickal 91eefa894a [SCSI] be2iscsi: Set a timeout to FW
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-04-15 16:46:16 -05:00
Jayamohan Kallickal 255fa9a3cc [SCSI] be2iscsi: change in copyright notice
- Modifying copyright year to 2011
   - Replacing Serverengines with Emulex as Serverengines Corp
	 has been acquired by Emulex Corp

Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-04-15 16:46:15 -05:00
Jayamohan Kallickal 91446f060b [SCSI] be2iscsi: More time for FW
This patch provides more time for the FW to respond. This became
necessary in boot situations

Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-11 17:43:10 -05:00
Jayamohan Kallickal e9b9119350 [SCSI] be2iscsi: Adding crashdump support
These changes allow the driver to support crashdump. We need to reset the
chip incase of a crashdump

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:34 -05:00
Jayamohan Kallickal d3ad2bb31c [SCSI] be2iscsi: Fixing return values
This patch fixes the return values as per comment from Mike Christie

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:29 -05:00
Jayamohan Kallickal 457ff3b7dc [SCSI] be2iscsi: Fix warnings from new checkpatch.pl
The latest checkpatch.pl throws some new warnings. Fixing it
to get rid of a bunch of warnings

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-28 09:05:28 -05:00
Jayamohan Kallickal 944b2fbce2 [SCSI] be2iscsi: Fix for a possible udelay while holding lock
This patch fixes a situation where we could call udelay
while holding spin_lock

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-03 17:40:04 +05:30
Jayamohan Kallickal d2eeb1ac35 [SCSI] be2iscsi: changing copyright to 2010
This patch replaces 2009 with 2010 in copyright statement

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-02-08 18:34:09 -06:00
Jayamohan Kallickal da7408c800 [SCSI] be2iscsi: The session failure only when Link Goes down
This fixes a situation where the sessions were being killed whenever
LinkUP is notified rather than LinkDown

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-01-18 10:48:24 -06:00
Jayamohan Kallickal 756d29c8c7 [SCSI] be2iscsi: Enable async mode for mcc rings
This patches enables async mode for mcc rings so that
multiple requests can be queued.

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-01-18 10:48:23 -06:00
Jayamohan Kallickal 78b9fb6d38 [SCSI] be2iscsi: Adding support for various Async messages from chip
This patch allows for future addition of various async messages
from the chip. This ensures that the driver won't hit a BUG_ON if
the Firmware used is newer than inbox driver and so is using
latest async messages.

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-12-10 08:54:13 -06:00
Jayamohan Kallickal 35e6601903 [SCSI] be2iscsi: Adding Ring Mode Wrb's V3
This patch adds support for ring based wrbs

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-12-04 12:00:39 -06:00
Jayamohan Kallickal bfead3b2cb [SCSI] be2iscsi: Adding msix and mcc_rings V3
This patch enables msix for be2iscsi. It also enables use
of mcc_rings for fw commands. Since the mcc eq creation is
dependent on msix I am sending as one patch

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-12-04 12:00:38 -06:00
Jayamohan Kallickal 6733b39a13 [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver
[v2: fixed up virt_to_bus() issue spotted by sfr]
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-10-02 09:50:33 -05:00