Re: [Scst-devel] Fwd: git://git.qlogic.com/scst-qla2xxx.git. fails for linux kernel 4.1.12 and 4.2.

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Hi Eli,

We’ll take a look at your patch and discuss your suggestion.

Thanks,
Duane

From: Eli Shagam <eli...@gm...<mailto:eli...@gm...>>
Date: Sunday, February 7, 2016 at 3:22 PM
To: Duane Grigsby <dua...@ql...<mailto:dua...@ql...>>, Quinn Tran <qui...@ql...<mailto:qui...@ql...>>, Bart Van Assche <bar...@sa...<mailto:bar...@sa...>>
Cc: scst <scs...@li...<mailto:scs...@li...>>
Subject: Re: [Scst-devel] Fwd: git://git.qlogic.com/scst-qla2xxx.git. fails for linux kernel 4.1.12 and 4.2.5

Hi,

Is there a target date to fix scst-qla2xxxfor kernel 4 ?

keeping two almost duplicate separate repositories  linux/drivers/scsi/qla2xxxx        and    scst-qla2xxx/drivers/scsi/qla2xxxx
Is very difficult, and becomes more and more difficult.

Keeping scst-qla2xxx for 6 years, compile-able and runnable is a big achievement.

Most the differences are:
*  Renames
*  scst-qla2xxx   need to support many versions.
*  Reorganize

The only way to handle such project is to keep a diff file, and apply it to each version, of Linux kernel.
This patch (diff)  would be much smaller, and easier to maintain.

Just for testing purpose I commented all lines that fail to compile.  (See the attached diff)
Luckily the main path runs.

Is there anyone familiar enough with this driver to create this diff file?

On Tue, Nov 3, 2015 at 4:54 PM, Duane Grigsby <dua...@ql...<mailto:dua...@ql...>> wrote:
Hi Shagam,
We will have to look into its failing to compile on 4.2.
Thanks,
Duane

Sent from my handheld device, so please excuse my typos.

On Nov 2, 2015, at 11:22 PM, Eli Shagam <eli...@gm...<mailto:eli...@gm...>> wrote:

Hi,

I use Qlogic qla driver for a while, and it works fin for kernel 3.18.10   and below

For kernel 4.0    4.1.12  and  4.2.5  it fails, because some data structure has changed in qla_os.

cd ~/Downloads;   git clone git://git.qlogic.com/scst-qla2xxx.git<http://git.qlogic.com/scst-qla2xxx.git>.
cd ~/Downloads/scst-qla2xxx;
sudo make install
cd ~/Downloads/scst-qla2xxx;  find . -name "*.ko"
       ./drivers/scsi/qla2xxx/qla2x00_scst.ko
       ./drivers/scsi/qla2xxx/qla2x00-target/qla2x00tgt.ko

See the attached err   file.

for kernel 3.18  there was no need for symbolic link, which also fails for kernel 4.0

Does Qlogic still maintain this driver?
I noticed major management changes in Qlogic.

When I use the old driver which requires symbolic link into the kernel tree
     ~/Downloads/linux-4.2.5/drivers/scsi$ ln -s ~/scst/qla2x00t  ./qla2xxx

errors for qla_os.c  file

 CC [M]  drivers/scsi/qla2xxx/qla_os.o
/home/eli/Downloads/linux-4.2.5/drivers/scsi/qla2xxx/qla_os.c: In function ‘qla2x00_relogin’:
/home/eli/Downloads/linux-4.2.5/drivers/scsi/qla2xxx/qla_os.c:3924:2: error: implicit declaration of function ‘qla_ini_mode_enabled’ [-Werror=implicit-function-declaration]
  if (!qla_ini_mode_enabled(vha))
  ^
cc1: some warnings being treated as errors
make[4]: *** [drivers/scsi/qla2xxx/qla_os.o] Error 1
make[3]: *** [drivers/scsi/qla2xxx] Error 2
make[2]: *** [drivers/scsi] Error 2
make[1]: *** [drivers] Error 2
make[1]: Leaving directory `/home/eli/Downloads/build-4.2.5'
make: *** [sub-make] Error 2

Thanks for any help, or hint
Eli Shagam
Techophil Ltd.

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