[Openib-windows] SRP initiator

[Mirko Benz]

Hello,

SRP initiator works now after I reinstalled the components.
I can also confirm that SRP works on XP 64. Required no modifications at 
all.

Thanks,
Mirko

Fab Tillier schrieb:

>>From: Mirko Benz [mailto:mirko.benz at xiranet.com]
>>Sent: Tuesday, October 18, 2005 6:52 AM
>>
>>Hello,
>>
>>we have tested OpenIB with a Mellanox PCI-X card under NT Server 2003/x86.
>>
>>We have installed:
>>- ib_bus.inf/InfiniBand Fabric
>>- infinihost.inf/SilverStorm HCA 7000 InfiniBand HCA
>>- netipoib.inf/SilverStorm IpoIB Adapter
>>
>>We installed free build drivers. However during installation a number of
>>debug build dlls are required
>>(complibd.dll, dapld.dll, datd.dll, ibald.dll). Is this necessary?
>>    
>>
>
>These get installed to support user-mode applications.  Rather than force all
>user-mode applications to be either debug or release, we provide both debug and
>release libraries to allow a mix of applications.  This allows a user to use the
>release version of Winsock Direct while at the same time developing a native-IB
>version of their application.  Think of it as similar to the C runtime DLL -
>there are both release and debug versions.
>
>I'm likely going to change this to install only the release DLLs, and provide a
>separate SDK package with headers, debug and release libraries for linking, and
>debug DLLs for development support.
>
>  
>
>>All this seems to work - no failed devices in device manager and ping
>>over ib to other IB hosts works.
>>    
>>
>
>Great!
>
>  
>
>>When installing the ib_srp.inf/InfiniBand SRP Miniport we get the
>>following error:
>>"device cannot start code 10". Any idea why this fails?
>>    
>>
>
>This typically means that the target did not accept the login request from the
>initiator.  Check your target configuration to make sure it allows the
>connection.
>
>  
>
>>The SRP .inf file states that XP is not supported. Is this true? Will
>>this change?
>>    
>>
>
>The SRP miniport is written as a StorPort miniport driver.  XP (at least the x86
>version) only supports the ScsiPort driver model.  The ScsiPort driver is a very
>poor fit for IB as it expects to be running above real hardware with real
>interrupts, and entry points into the port driver expect to be called with
>particular internal locks held which the miniport has no access to.  In IB, the
>miniport is really a virtual device - there's no hardware related to the
>miniport in the host system.
>
>Long term, the SRP driver will likely migrate to the iSCSI driver framework,
>since it is designed to support network attached storage.  I don't yet have an
>ETA for this.
>
>I believe that XP on x64 supports the StorPort driver, but have not verified
>this myself.  If that is the case, the SRP miniport should work fine on that
>with minor edits to the INF file to allow installation.  The easiest way to
>check is to look for storport.sys in the system32\drivers directory.
>
>Let me know if you have any further questions.
>
>Thanks,
>
>- Fab
>
>  
>