Question on SystemWake in DeviceCapabilites structure

Hello all
I have a doubt on SystemWake value in DeviceCapabilities structure . I want
to know on what basis the SystemWake value is ( either it is S1,S2,S3)
decided in DeviceCapabilities structure . I think this value is set by the
OS when we send a query .
Can anybody tell me what parameters of “device” will have effect on that ?
Will All USB devices will have same SystemWake value or not ?
can anybody help me out
Thanks in advance
srinivas


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Vikrant,
IoBuildDeviceIoControlRequest is what you need.

– Harshal

Vikrant wrote:

hi all,

is there a parellel kernel mode routine for
deviceiocontrol? i want to initiate an ioctl call from

kernel mode itself. i have hooked zwcreatefile and
from
its handler routine i want to accomplish the above
thing. is it possible?

regards.
thanks in advance.


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