Certain doubts regarding writing device drivers

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Certain doubts regarding writing device drivers

Anupam Chomal
Hi All,

I am trying to write drivers that should be "Solaris compliant". By
this I mean that the driver should be - DDI or DKI or LDI compliant.
Now my doubts are:

1. There are extern decelerations in header files available in
solaris. Can we use then directly while writing our kernel modules or
not?

2. I assume the LDI is a subset of DDI/DKI interfaces...now my
confusion is, should a driver be DDI or DKI or LDI complient or all?

3. Certain DDI interfaces, like ddi_pathname_to_dev_t, do not have man
pages. Does this mean that it is not a public interface? Then why is
it a DDI interface? DDI is supposed to be public and make drivers
portable right?

Thanks for the help!
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