[Qemu-devel] PCI Device API?

[Tad Truex <tad@tadtruex.net>]

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Greetings,

I am looking at using Qemu (specifically the x86_64 pc emulation) as a
testbed for a new PCI widget.  I have begun looking through the code for the
e1000 nic as it seems to be frequently used and is therefore likely quite
robust.  Is there a better place for me to start looking?  In particular, is
there any API documentation for the PCIDevice structure and the various
memory hooks?  I have started hacking a new module based on what I can see
in the code and using a debugger, but I suspect that it will be a long steep
learning curve that way!

Lacking API docs, has anyone out there who is familiar with the pci
subsystem ever scribbled down a crib sheet for what needs to be included to
model a new device?  I am comfortable with pretty high level bullet points
describing the main steps in the initializing the structure so it can be
seen by the kernel driver and interact correctly with the memory subsystem.

Thanks for any pointers or advice.

/Tad

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