scsi: qla2xxx: Relocate/rename vp map

There is no functional change in this patch. VP map resource is renamed
and relocated so it is not viewed as just a target mode resource.

Signed-off-by: Quinn

scsi: qla2xxx: Relocate/rename vp map

There is no functional change in this patch. VP map resource is renamed
and relocated so it is not viewed as just a target mode resource.

Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Remove unused declarations for qla2xxx

qla2x00_get_fw_version_str() has been removed since commit abbd8870b9cb
("[SCSI] qla2xxx: Factor-out ISP specific functions to method-based call

scsi: qla2xxx: Remove unused declarations for qla2xxx

qla2x00_get_fw_version_str() has been removed since commit abbd8870b9cb
("[SCSI] qla2xxx: Factor-out ISP specific functions to method-based call
tables.").

qla2x00_release_nvram_protection() has been removed since commit
459c537807bd ("[SCSI] qla2xxx: Add ISP24xx flash-manipulation routines.").

qla82xx_rdmem() and qla82xx_wrmem() have been removed since commit
3711333dfbee ("[SCSI] qla2xxx: Updates for ISP82xx.").

qla25xx_rd_req_reg(), qla24xx_rd_req_reg(), qla25xx_wrt_rsp_reg(),
qla24xx_wrt_rsp_reg(), qla25xx_wrt_req_reg() and qla24xx_wrt_req_reg() have
been removed since commit 08029990b25b ("[SCSI] qla2xxx: Refactor
request/response-queue register handling.").

qla2x00_async_login_done() has been removed since commit 726b85487067
("qla2xxx: Add framework for async fabric discovery").

qlt_24xx_process_response_error() has been removed since commit
c5419e2618b9 ("scsi: qla2xxx: Combine Active command arrays.").

Remove the declarations for them from header file.

Link: https://lore.kernel.org/r/20220913023722.547249-2-cuigaosheng1@huawei.com
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Remove unused qlt_tmr_work()

qlt_tmr_work() is no longer used since commit fb35265b12bb ("scsi:
qla2xxx: Remove session creation redundant code").

Link: https://lore.kernel.org/r/a0e

scsi: qla2xxx: Remove unused qlt_tmr_work()

qlt_tmr_work() is no longer used since commit fb35265b12bb ("scsi:
qla2xxx: Remove session creation redundant code").

Link: https://lore.kernel.org/r/a0e53c70-b801-adf5-0549-b2b1e421a819@I-love.SAKURA.ne.jp
Tested-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Remove unused del_sess_list field

"struct qla_tgt"->del_sess_list is no longer used since commit
726b85487067 ("qla2xxx: Add framework for async fabric discovery").

Link: https://lor

scsi: qla2xxx: Remove unused del_sess_list field

"struct qla_tgt"->del_sess_list is no longer used since commit
726b85487067 ("qla2xxx: Add framework for async fabric discovery").

Link: https://lore.kernel.org/r/0c335e86-5624-b599-5137-f1377419fb0c@I-love.SAKURA.ne.jp
Tested-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Remove free_sg command flag

The use of the free_sg command flag was dropped in commit 2c39b5ca2a8c
("qla2xxx: Remove SRR code"). Hence remove this flag and its check.

Link: https://l

scsi: qla2xxx: Remove free_sg command flag

The use of the free_sg command flag was dropped in commit 2c39b5ca2a8c
("qla2xxx: Remove SRR code"). Hence remove this flag and its check.

Link: https://lore.kernel.org/r/AS8PR10MB4952747D20B76DC8FE793CCA9DEE9@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Gleb Chesnokov <Chesnokov.G@raidix.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: edif: Add encryption to I/O path

Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

Af

scsi: qla2xxx: edif: Add encryption to I/O path

Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

After the completion of PLOGI, both sides have authenticated and PRLI
completed, encrypted I/Os are allowed to proceed.

- Use new firmware API to encrypt traffic on the wire

- Add driver parameter to enable|disable EDIF feature

# modprobe qla2xxx ql2xsecenable=1

Link: https://lore.kernel.org/r/20210624052606.21613-10-njavali@marvell.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Co-developed-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Signed-off-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Co-developed-by: Duane Grigsby <duane.grigsby@marvell.com>
Signed-off-by: Duane Grigsby <duane.grigsby@marvell.com>
Co-developed-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: edif: Add detection of secure device

Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

scsi: qla2xxx: edif: Add detection of secure device

Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

There is no FC switch scan service that can indicate whether a device is
secure or non-secure.

In order to detect whether the remote port supports encrypted operation,
driver must first do a PLOGI with the remote device. On completion of the
PLOGI, driver will query firmware to see if the device supports secure
login. To do that, driver + firmware must advertise the security bit via
PLOGI's service parameter. The remote device shall respond using the same
service parameter whether it supports it or not.

Link: https://lore.kernel.org/r/20210624052606.21613-8-njavali@marvell.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Co-developed-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Signed-off-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Co-developed-by: Duane Grigsby <duane.grigsby@marvell.com>
Signed-off-by: Duane Grigsby <duane.grigsby@marvell.com>
Co-developed-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: edif: Add key update

Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

As part of the

scsi: qla2xxx: edif: Add key update

Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

As part of the authentication process, the authentication application will
generate a SADB entry (Security Association/SA, key, SPI value, etc). This
SADB is then passed to driver to be programmed into hardware. There will be
a pair of SADB's (Tx and Rx) for each connection.

After some period, the application can choose to change the key. At that
time, a new set of SADB pair is given to driver. The old set of SADB will
be deleted.

Add a new bsg call (QL_VND_SC_SA_UPDATE) to allow application to allow
adding or deleting SADB entries. Driver will not keep the key in
memory. It will pass it to HW.

It is assumed that application will assign a unique SPI value to this SADB
(SA + key). Driver + hardware will assign a handle to track this unique
SPI/SADB.

Link: https://lore.kernel.org/r/20210624052606.21613-6-njavali@marvell.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Co-developed-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Signed-off-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Co-developed-by: Duane Grigsby <duane.grigsby@marvell.com>
Signed-off-by: Duane Grigsby <duane.grigsby@marvell.com>
Co-developed-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Fix broken #endif placement

Only half of the file is under include guard because terminating #endif
is placed too early.

Link: https://lore.kernel.org/r/YE4snvoW1SuwcXAn@localhost.lo

scsi: qla2xxx: Fix broken #endif placement

Only half of the file is under include guard because terminating #endif
is placed too early.

Link: https://lore.kernel.org/r/YE4snvoW1SuwcXAn@localhost.localdomain
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Move sess cmd list/lock to driver

Except for debug output in the shutdown path, tcm_qla2xxx is the only
driver using the se_session sess_cmd_list. Move the list to that driver to
faci

scsi: qla2xxx: Move sess cmd list/lock to driver

Except for debug output in the shutdown path, tcm_qla2xxx is the only
driver using the se_session sess_cmd_list. Move the list to that driver to
facilitate removing the sess_cmd_lock from the main I/O path for the rest
of the drivers.

Link: https://lore.kernel.org/r/1604257174-4524-6-git-send-email-michael.christie@oracle.com
Cc: Nilesh Javali <njavali@marvell.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Fix broken #endif placement

[ Upstream commit 5999b9e5b1f8a2f5417b755130919b3ac96f5550 ]

Only half of the file is under include guard because terminating #endif
is placed too early.

scsi: qla2xxx: Fix broken #endif placement

[ Upstream commit 5999b9e5b1f8a2f5417b755130919b3ac96f5550 ]

Only half of the file is under include guard because terminating #endif
is placed too early.

Link: https://lore.kernel.org/r/YE4snvoW1SuwcXAn@localhost.localdomain
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...

scsi: qla2xxx: Remove the __packed annotation from struct fcp_hdr and fcp_hdr_le

Remove the __packed annotation from struct fcp_hdr* because that annotation
is not necessary for these data structure

scsi: qla2xxx: Remove the __packed annotation from struct fcp_hdr and fcp_hdr_le

Remove the __packed annotation from struct fcp_hdr* because that annotation
is not necessary for these data structures.

Link: https://lore.kernel.org/r/20200629225454.22863-3-bvanassche@acm.org
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Fix endianness annotations in header files

Annotate members of FC protocol and firmware dump data structures as big
endian. Annotate members of RISC control structures as little endia

scsi: qla2xxx: Fix endianness annotations in header files

Annotate members of FC protocol and firmware dump data structures as big
endian. Annotate members of RISC control structures as little endian.
Annotate mailbox registers as little endian. Annotate the mb[] arrays as
CPU-endian because communication of the mb[] values with the hardware
happens through the readw() and writew() functions. readw() converts from
__le16 to u16 and writew() converts from u16 to __le16. Annotate 'handles'
as CPU-endian because for the firmware these are opaque values.

Link: https://lore.kernel.org/r/20200518211712.11395-15-bvanassche@acm.org
CC: Hannes Reinecke <hare@suse.de>
Cc: Nilesh Javali <njavali@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: tcm_qla2xxx: Make qlt_alloc_qfull_cmd() set cmd->se_cmd.map_tag

Reduce code duplication by introducing the tcm_qla2xxx_{get,rel}_cmd()
functions. Introduce these functions in the tcm_qla2xxx.c

scsi: tcm_qla2xxx: Make qlt_alloc_qfull_cmd() set cmd->se_cmd.map_tag

Reduce code duplication by introducing the tcm_qla2xxx_{get,rel}_cmd()
functions. Introduce these functions in the tcm_qla2xxx.c source files such
that the qla_target.c source file becomes independent of the SCSI target
core header files. This patch fixes a bug, namely by ensuring that
qlt_alloc_qfull_cmd() sets cmd->se_cmd.map_tag.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Link: https://lore.kernel.org/r/20200103192719.205158-1-bvanassche@acm.org
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Use get_unaligned_*() instead of open-coding these functions

This patch improves readability and does not change any functionality.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Qu

scsi: qla2xxx: Use get_unaligned_*() instead of open-coding these functions

This patch improves readability and does not change any functionality.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Martin Wilck <mwilck@suse.com>
Cc: Daniel Wagner <dwagner@suse.de>
Cc: Roman Bolshakov <r.bolshakov@yadro.com>
Link: https://lore.kernel.org/r/20191219005050.40193-1-bvanassche@acm.org
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Introduce the be_id_t and le_id_t data types for FC src/dst IDs

Introduce the be_id_t and le_id_t data types for Fibre Channel source and
destination ID formats supported by the firmw

scsi: qla2xxx: Introduce the be_id_t and le_id_t data types for FC src/dst IDs

Introduce the be_id_t and le_id_t data types for Fibre Channel source and
destination ID formats supported by the firmware instead of using an
uint8_t[3] array. Introduce functions for converting from and to the
port_id_t data types. This patch does not change the behavior of the
qla2xxx driver but improves source code readability and also allows the
compiler to verify the endianness of Fibre Channel IDs.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Declare qla_tgt_cmd.cdb const

Make it clear that the CDB is not modified after processing of a SCSI
command has started.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Ba

scsi: qla2xxx: Declare qla_tgt_cmd.cdb const

Make it clear that the CDB is not modified after processing of a SCSI
command has started.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157

Based on 3 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of th

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157

Based on 3 normalized pattern(s):

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details

this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details

extracted by the scancode license scanner the SPDX license identifier

GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1105 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

show more ...

scsi: qla2xxx: Use __le64 instead of uint32_t[2] for sending DMA addresses to firmware

This patch makes the code easier to read and more compact.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Gir

scsi: qla2xxx: Use __le64 instead of uint32_t[2] for sending DMA addresses to firmware

This patch makes the code easier to read and more compact.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Introduce the dsd32 and dsd64 data structures

Introduce two structures for the (DMA address, length) combination instead
of using separate structure members for the DMA address and le

scsi: qla2xxx: Introduce the dsd32 and dsd64 data structures

Introduce two structures for the (DMA address, length) combination instead
of using separate structure members for the DMA address and length. This
patch fixes several Coverity complaints about 'cur_dsd' being used to write
outside the bounds of structure members.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Remove qla_tgt_cmd.released

Since the previous patch removed the only statement that sets
qla_tgt_cmd.released, remove the code that depends on that member variable
being set and the

scsi: qla2xxx: Remove qla_tgt_cmd.released

Since the previous patch removed the only statement that sets
qla_tgt_cmd.released, remove the code that depends on that member variable
being set and the member variable itself.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: target: Fix offline port handling and host reset handling

Remove the function qlt_abort_cmd_on_host_reset() because it can do the
following, all of which can cause a kernel crash:

-

scsi: qla2xxx: target: Fix offline port handling and host reset handling

Remove the function qlt_abort_cmd_on_host_reset() because it can do the
following, all of which can cause a kernel crash:

- DMA unmapping while DMA is in progress.
- Call target_execute_cmd() while DMA is in progress.
- Call transport_generic_free_cmd() while the LIO core owns a command.

Instead of trying to abort a command asynchronously, set the 'aborted' flag
and handle the abort after the hardware has passed control back to the
tcm_qla2xxx driver.

Cc: Arun Easi <arun.easi@qlogic.com>
Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Fixes: c0cb44967b4a ("qla2xxx: Add Host reset handling in target mode.") # v3.18.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

show more ...

scsi: qla2xxx: Remove qla_tgt_cmd.data_work and qla_tgt_cmd.data_work_free

The 'data_work' and 'data_work_free' member variables are set but never
used. Hence remove both member variables. See also

scsi: qla2xxx: Remove qla_tgt_cmd.data_work and qla_tgt_cmd.data_work_free

The 'data_work' and 'data_work_free' member variables are set but never
used. Hence remove both member variables. See also commit 6bcbb3174caa
("qla2xxx: Fix incorrect tcm_qla2xxx_free_cmd use during TMR ABORT (v2)").

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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scsi: qla2xxx: Insert spaces where required

Improve source code readability by inserting spaces where these are
required according to the coding standard. This patch only inserts
whitespace and does

scsi: qla2xxx: Insert spaces where required

Improve source code readability by inserting spaces where these are
required according to the coding standard. This patch only inserts
whitespace and does not make any other changes.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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scsi: qla2xxx: Fix DMA error when the DIF sg buffer crosses 4GB boundary

When SGE buffer containing DIF information crosses 4G boundary, it results
in DMA error. This patch fixes this issue by calcu

scsi: qla2xxx: Fix DMA error when the DIF sg buffer crosses 4GB boundary

When SGE buffer containing DIF information crosses 4G boundary, it results
in DMA error. This patch fixes this issue by calculating SGE buffer size
and if it crosses 4G boundary, driver will split it into multiple SGE
buffers to avoid DMA error.

Signed-off-by: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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