[Asterisk-Dev] Zaptel development question

[Kevin P. Fleming]

Steven Sokol wrote:

> Does anybody else see what I am missing -- an ioctl call to the control 
> interface (/dev/zap/ctl) that will return card-specific information?  
> The generic ZT_GET_PARAMS doesn't seem to pass that bit of data back, 
> and I don't see any other driver calls that would return structures with 
> module (driver) specific data.
> 
> Anybody else have thoughts?

Well, yeah, I have thoughts, but they are along a different line. I 
would suggest enhancing the Zaptel modules to support sysfs (/sys), and 
report this information there. That's exactly what it's intended for, 
and it's much easier to use than ioctls, plus it doesn't have to mangled 
for different platforms (unlike ioctls, which work differently on 
32-bit, 64-bit and mixed 32/64-bit environments).

Just exactly how to present the information there (as a device, or a 
class, or whatever) would have to be figured out with the help of the 
kernel devs that work on this stuff, but that wouldn't be too difficult 
to manage. I haven't tried, though, since I haven't got time to 
implement it in Zaptel... if someone else does, I'll be happy to help 
figure out what the interface should be.