Re: [Qemu-devel] propose to implement ower device

[Wenchao Xia <xiawenc@linux.vnet.ibm.com>]

于 2013-3-7 11:40, li guang 写道:
> Hi, Anthony and all
>
> By now all devices of QEMU do not have much more
> power management consideration, for example, if
> system do suspend, it will call all registered notifiers,
> this was loosely required, and the code to do power management
> state transition seems just do 'ugly emulation', rather than be
> conscious with whole system devices, same condition with reset(it
> has been embedded in DeviceClass, good!),
> shutdown, in real world, commonly all devices' power are controlled
> by a power chip, then all power sequence can be done just
> issue commands to this chip.
> so, I come across an idea to implement qdev'ed power device, and
> make all qdev struct of devices aware of self power management(add
> reset, suspend, shutdown ... filed for DeviceClass), this will
> bring tidy power management, and the emulation will more like what
> happened in real world.
> Hope I've expressed my idea clearly, if you have any questions, let me
> know, if get your permission, I'll step ahead to do this power
> chip emulation work.
>
> Thanks!
>
>

Hi, Guang
   it seems the mail was sent as a child mail of "Default guest RAM
size". The topic is interesting, suggest resend it.

-- 
Best Regards

Wenchao Xia