Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device

[Paolo Bonzini]

Il 08/04/2013 02:18, li guang ha scritto:
> In short, the purpose is to implement a power control process
> just like real world(hardware platform), 
> a power chip(controller) connect power signals to other devices,
> and devices can do power (on, off, ...) controlled by power
> chip(controller).
> Is this reasonable?

It may be reasonable, but it will be board-dependent.  The meaning of
"power on/power off" varies wildly depending on the kind of device, the
platform, etc.

Similarly, "reset" is very different from a power cycle.

Are you trying to implement D-states?

Paolo