Re: [PATCH] sata_nv: sgpio for nvidia mcp55 -v2

[Yinghai Lu <yinghai@kernel.org>]

Yan Seiner wrote:
> Yinghai Lu wrote:
>> Yan Seiner wrote:
>>  
>>> To recap, I've applied the latest patch (-v3) that's supposed to make
>>> the SGPIO work.  I am using a LIB-700 backplane from Norco:
>>>
>>> http://www.ipcdirect.net/servlet/Detail?no=75
>>> http://www.norco.net.cn/UpLoadFile/Datasheet/DS-600S-EN.pdf
>>>
>>> The disk activity LEDs stay lit all the time.
>>>
>>> I am running a vanilla kernel, not a debian kernel,. although it was
>>> built using debian's kbuild.
>>>
>>> title           Debian GNU/Linux, kernel 2.6.28.1
>>> root            (hd0,1)
>>> kernel          /vmlinuz-2.6.28.1 root=/dev/md0 ro debug
>>> initrd          /initrd.img-2.6.28.1
>>>
>>> log files are at
>>>
>>> http://seiner.com/sata_nv/syslog
>>> http://seiner.com/sata_nv/dmesg.log
>>>     
>>
>> [   19.306367] sata_nv 0000:00:05.0: PCI INT A -> Link[APSI] -> GSI 23
>> (level, low) -> IRQ 23
>> [   19.306472] sata_nv 0000:00:05.0: Using SWNCQ mode
>> [   19.306895] sata_nv 0000:00:05.0: setting latency timer to 64
>> [   19.311020] scsi5 : sata_nv
>>
>>
>> it seems that your system HW is not using SGPIO...
>> my setup has more print out...
>>   
> selene:/home/www/seiner/html/sata_nv# modinfo sata_nv
> filename:       /lib/modules/2.6.28.1/kernel/drivers/ata/sata_nv.ko
> version:        3.5
> license:        GPL
> description:    low-level driver for NVIDIA nForce SATA controller
> author:         NVIDIA
> srcversion:     4D85D19ABB1359D28F97C6E
> alias:          pci:v000010DEd000003F7sv*sd*bc*sc*i*
> ...
> depends:        libata
> vermagic:       2.6.28.1 SMP mod_unload modversions
> parm:           adma:Enable use of ADMA (Default: true) (bool)
> parm:           swncq:Enable use of SWNCQ (Default: true) (bool)
> 
> Do I have the right version?  Should I be seeing a parameter for sgpio?
> 

boot log should like

[   13.410117] calling  nv_init+0x0/0x1b @ 1
[   13.414129] sata_nv 0000:00:05.0: version 3.5
[   13.418488] sata_nv 0000:00:05.0: PCI INT A -> Link[LSA0] -> GSI 20 (level, low) -> IRQ 20
[   13.426740] sata_nv 0000:00:05.0: Using SWNCQ mode
[   13.431539] sata_nv 0000:00:05.0: using 32bit DMA mask
[   13.436671] sata_nv 0000:00:05.0: using 32bit consistent DMA mask
[   13.442771] sata_nv 0000:00:05.0: CSR 0xeb00 CB 0x9cc00
[   13.447995] sata_nv 0000:00:05.0: using sgpio 1
[   13.452522] sata_nv 0000:00:05.0: setting latency timer to 64
[   13.458389] scsi0 : sata_nv
[   13.461428] scsi1 : sata_nv
[   13.464526] ata1: SATA max UDMA/133 cmd 0xa480 ctl 0xa400 bmdma 0x9c00 irq 20
[   13.471651] ata2: SATA max UDMA/133 cmd 0xa080 ctl 0xa000 bmdma 0x9c08 irq 20

is will say "using sgpio 1"...

YH