Re: User space interface to controller.

Subject: Re: User space interface to controller.

From: Chris Sarcone <email@hidden>

Date: Mon, 26 Sep 2005 11:12:50 -0700

Delivered-to: email@hidden

Tom --

I need to set controller values as well as read them.

You have several alternatives. It depends on how much data you need to pass to the controller and whether you need to get notifications from it or if a simple synchronous operation is sufficient. You could potentially use IORegistryEntrySetCFProperties() and override setProperties() inside your controller subclass. Another alternative is to write your own user client.

Is there a user space interface to an IOSCSIParallelInterfaceController
device other than STUC, or is STUC the appropriate mechanism?

No. STUC is not appropriate. STUC is a device interface for SCSI Architecture Model devices.

If STUC is the appropriate mechanism what values should I look for, in
the IORegistry, in order to establish a port for communication and
asynchronous event notification?

I believe you will be better served by trying either of the two mechanisms listed above.

HTH,

-- Chris

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References:

>User space interface to controller. (From: "Tom Couch" <email@hidden>)