Andrew Patterson wrote:
SDI is supposed to be a cross-platform spec, so mandating sysfs would not work. I suggested to the author to use a library like HPAAPI (used by Fibre channel), so you could hide OS implementation details. I am in fact working on such a beasty (http://libsdi.berlios.de). He thinks that library solutions tend to not work, because the library version is never in synch with the standard/LLDD's. Given Linux vendor lead-times, he does have a valid point.
Any kernel interface lib should be like libc or libalsa: it hides the kernel details, however nasty they may be, shielding userspace and apps from various changes over time.
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