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Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device |
Date: |
Tue, 09 Apr 2013 09:43:48 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
Il 09/04/2013 09:34, li guang ha scritto:
> Hmm ... maybe, but,
> S-states may be more exactly,
> S0 -> power on
> S3 -> suspend
> S5 -> power off
> but that are conceptual,
> actually, I just want centralize controlling
> of power state transition of whole emulated machine.
That is already there:
qemu_system_suspend_request, qemu_register_suspend_notifier
for S0->S3
qemu_system_wakeup_request, qemu_register_wakeup_notifier
for S3->S0
qemu_system_powerdown_request, qemu_register_powerdown_notifier
for Sx->S5
and the reset mechanism for S5->S0.
Most of these should only be used by one "power management device" on
the board (e.g. the PIIX3 or ICH9 power management devices in hw/acpi/*)
and distributed to the other devices via whatever buses exist on the
real machine.
Paolo
- [Qemu-devel] [PATCH][RFC v2 0/7] implement power chip, liguang, 2013/04/05
- [Qemu-devel] [PATCH][RFC v2 1/7] hw/irq: move struct IRQState to irq.h, liguang, 2013/04/05
- [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, liguang, 2013/04/05
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Paolo Bonzini, 2013/04/05
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, li guang, 2013/04/07
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Paolo Bonzini, 2013/04/08
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, li guang, 2013/04/09
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, li guang, 2013/04/09
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Paolo Bonzini, 2013/04/09
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, li guang, 2013/04/09
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Paolo Bonzini, 2013/04/10
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Andreas Färber, 2013/04/10
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, guang li, 2013/04/10
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Paolo Bonzini, 2013/04/10
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, li guang, 2013/04/10
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, Anthony Liguori, 2013/04/16
- Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device, li guang, 2013/04/16