[ISP] QLA2432 Target Mode Broken

[Alexander Sack]

If I get a chance, maybe I can try that and see what happens to me!!

-aps

On Fri, Aug 29, 2008 at 1:54 PM, Sean Bruno <sbruno at miralink.com> wrote:
> Alexander Sack wrote:
>>
>> On Thu, Aug 28, 2008 at 2:31 PM, Sean Bruno <sbruno at miralink.com> wrote:
>>
>>>
>>> Alexander Sack wrote:
>>>
>>>>
>>>> On Thu, Aug 28, 2008 at 1:34 PM, Sean Bruno <sbruno at miralink.com> wrote:
>>>>
>>>>
>>>>>
>>>>> I tried putting a 2432 into target mode this week and noted that the
>>>>> system
>>>>> threw a pretty nice panic and thought I would post the output here.
>>>>>  Reviewing the 4G documentation from Qlogic, it looks like they've
>>>>> substantially changed the target mode interface, so I'm not surprised
>>>>> that
>>>>> there's some work to do.  If anyone has any patches they'd like me to
>>>>> test,
>>>>> I'm open to integration:
>>>>>
>>>>>
>>>>
>>>> Did you rebuild the isp driver with -DISP_TARGET_MODE defined?  I only
>>>> mention this because the output below seems like you twiddled the
>>>> "role" hint instead of actually recompile the driver?
>>>>
>>>> -aps
>>>>
>>>>
>>>
>>> Ah, yes, that's a little magic I was trying ... sorry about that.
>>>
>>> Yes, I definitely compiled with ISP_TARGET_MODE defined.  :)
>>>
>>
>> Yea sorry, I just was checking.  I don't have a clue right now why you
>> are dying but some else is seeing similar nastiness in target mode.
>> Minimally you should file a bug.
>>
>> How did you setup your box, how do you reproduce etc. etc.?
>>
>> thanks!
>>
>> -aps
>>
>
> Well, I put a 2432 into my box and recompiled with target mode enabled.
>  Nothing fancy.
>
> :)
>
> A 23XX card in it's place works just fine.
> I believe, due to the architecture difference between the 4G/8G and 2G cards
> that it just doesn't work right now.
> The 4G/8G architecture does nothing in target mode except DMA the incoming
> data.  the 2G cards do some things
> for the driver.
>
> I was hoping that someone has some patches in their trees just lying around
> that I could look over and test for
> 4G target mode support.  :)
>
> --
> Sean Bruno
> MiraLink Corporation
> 6015 NE 80th Ave, Ste 100
> Portland, OR 97218
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>
>