I/O Request Packet & I/O Stack on Windows

Here is a list of the sites introductiong to I/O Request Packet & I/O Stack on Windows.

Windows XP & the Windows Driver Model - Driver Structure & the I/O Request Packet
http://www.mbs3.org/wdmproject/irp.html

I/O Stack Locations
http://msdn.microsoft.com/en-us/library/ms795764.aspx

IO_STACK_LOCATION - Structure
http://msdn.microsoft.com/en-us/library/dd852068.aspx

Passing PnP IRPs Down the Device Stack
http://msdn.microsoft.com/en-us/library/ms798229.aspx

USB Driver Stack for Windows XP and Later
http://msdn.microsoft.com/en-us/library/ms793558.aspx