Re: Advansys SCSI driver and 2.6.16

[Ken Witherow]

On Wed, 19 Apr 2006, Andrew Morton wrote:

> Andrew Morton <akpm@xxxxxxxx> wrote:
> > There have been no changes in the advansys driver since November 2005, and
> >  nothing substantial in over a year.
>
> The advansys driver has been disabled for two years - since 2.6.8:
>
> > ChangeSet@xxxxxxxxxxxxx, 2004-06-26 10:50:12-05:00, jejb@mulgrave.(none)
> >   advansys: add warning and convert #includes
> >
> >   The DMA conversion of the advansys driver is still
> >   broken.  Add a #warning to the driver and a comment
> >   above it explaining what needs to be done.
> >
> >   Mark the driver as BROKEN because of the warning
> >
> >   Also remove the #include "scsi.h"
> >
> >   Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxx>
>
> So I don't know how you managed to get it to build in 2.6.15.
>
> You can reenable it with:
>
> --- devel/drivers/scsi/Kconfig~a	2006-04-19 22:39:51.000000000 -0700
> +++ devel-akpm/drivers/scsi/Kconfig	2006-04-19 22:40:00.000000000 -0700
> @@ -453,7 +453,7 @@ config SCSI_DPT_I2O
>
> config SCSI_ADVANSYS
> 	tristate "AdvanSys SCSI support"
> -	depends on (ISA || EISA || PCI) && SCSI && BROKEN
> +	depends on (ISA || EISA || PCI) && SCSI
> 	help
> 	  This is a driver for all SCSI host adapters manufactured by
> 	  AdvanSys. It is documented in the kernel source in
> _
>
> and it does compile.   Does it actually work?


[root@death ~]# cat /proc/version
Linux version 2.6.16 (ken@xxxxxxxxxxxxxxxxx) (gcc version 4.1.0) #20 SMP PREEMPT Thu Apr 20 02:30:28 EDT 2006

[root@death ~]# cat /proc/scsi/advansys/0
AdvanSys SCSI 3.3K: PCI Ultra: IO 0x1800-0x180F, IRQ 0x10

Device Information for AdvanSys SCSI Host 0:
Target IDs Detected: 5, 7, (7=Host Adapter)

EEPROM Settings for AdvanSys SCSI Host 0:
 Serial Number: AE54C713B960
 Host SCSI ID: 7, Host Queue Size: 16, Device Queue Size: 8
 cntl 0x7ff7, no_scam 0x0
 Target ID:            0 1 2 3 4 5 6 7
 Disconnects:          Y Y Y N Y Y Y Y
 Command Queuing:      N N N N N N N N
 Start Motor:          Y Y Y Y Y Y Y Y
 Synchronous Transfer: Y Y Y Y Y Y Y Y

Linux Driver Configuration and Information for AdvanSys SCSI Host 0:
 host_busy 0, last_reset 0, max_id 8, max_lun 8, max_channel 0
 unique_id 0, can_queue 16, this_id 7, sg_tablesize 50, cmd_per_lun 1
 unchecked_isa_dma 0, use_clustering 1
 flags 0x8, last_reset 0x0, jiffies 0x5c14, asc_n_io_port 0x10
 io_port 0x1800, n_io_port 0x10

Linux Driver Statistics for AdvanSys SCSI Host 0:
 queuecommand 101, reset 0, biosparam 0, interrupt 102
 callback 101, done 101, build_error 0, build_noreq 0, build_nosg 0
 exe_noerror 101, exe_busy 0, exe_error 0, exe_unknown 0
 cont_cnt 3, cont_xfer 0.0 kb avg_xfer 0.0 kb
 sg_cnt 98, sg_elem 208, sg_xfer 1569.0 kb
 avg_num_elem 2.1, avg_elem_size 7.5 kb, avg_xfer_size 16.0 kb
 Active and Waiting Request Queues (Time Unit: 250 HZ):
 target 5
   active: cnt [cur 0, max 4, tot 95], time [min 0, max 16, avg 3.7]
   waiting: cnt [cur 0, max 0, tot 0], time [min 0, max 0, avg 0.0]

Asc Library Configuration and Statistics for AdvanSys SCSI Host 0:
 chip_version 10, lib_version 0x118, lib_serial_no 123, mcode_date 0x12c3
 mcode_version 0x50d, err_code 0
 Total Command Pending: 0
 Command Queuing: 5:N
 Command Queue Pending: 5:0
 Command Queue Limit: 5:4
 Command Queue Full: 5:N
 Synchronous Transfer: 5:N

[root@death ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 05 Lun: 00
  Vendor: SEAGATE  Model: SX410800N        Rev: 7117
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 00 Lun: 00
  Vendor: IBM      Model: DNES-309170      Rev: SAH0
  Type:   Direct-Access                    ANSI SCSI revision: 03
Host: scsi1 Channel: 00 Id: 01 Lun: 00
  Vendor: WDIGTL   Model: WD183 ULTRA2     Rev: 1.00
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 02 Lun: 00
  Vendor: TEAC     Model: CD-W512SB        Rev: 1.0C
  Type:   CD-ROM                           ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 06 Lun: 00
  Vendor: CyberDrv Model:  CD-ROM TW240S   Rev: 1.20
  Type:   CD-ROM                           ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 14 Lun: 00
  Vendor: SEAGATE  Model: SX118273LC       Rev: 6367
  Type:   Direct-Access                    ANSI SCSI revision: 02
Host: scsi2 Channel: 00 Id: 00 Lun: 00
  Vendor: SanDisk  Model: ImageMate II     Rev: 1.30
  Type:   Direct-Access                    ANSI SCSI revision: 02


The SX410800N is the drive off the Advansys controller and is working just 
fine. I also have a scanner that I've been using all along as well but it 
isn't turned on atm so it isn't in the list.

I haven't had a problem with the controller in linux for as long as I 
can remember until 2.6.16. I've been using the patches rather than 
tarballs as they've come out for years. I believe I freshened the tree 
from tarball around 2.6.11.

I would say driver is working as intended, though I do get a slew of:

drivers/scsi/advansys.c:18223: warning: passing argument 2 of 'writew' 
makes pointer from integer without a cast
drivers/scsi/advansys.c:18223: warning: passing argument 2 of 'writeb' 
makes pointer from integer without a cast

warnings when compiling
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