From: Paolo Bonzini <pbonzini@redhat.com>
To: li guang <lig.fnst@cn.fujitsu.com>
Cc: qemu-devel@nongnu.org, peter.maydell@linaro.org,
aliguori@us.ibm.com, afaerber@suse.de, stefanha@gmail.com
Subject: Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device
Date: Tue, 09 Apr 2013 09:43:48 +0200 [thread overview]
Message-ID: <5163C6B4.3070507@redhat.com> (raw)
In-Reply-To: <1365492852.9553.14.camel@liguang.fnst.cn.fujitsu.com>
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
next prev parent reply other threads:[~2013-04-09 7:44 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-05 4:28 [Qemu-devel] [PATCH][RFC v2 0/7] implement power chip liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 1/7] hw/irq: move struct IRQState to irq.h liguang
2013-04-05 8:34 ` Peter Maydell
2013-04-05 8:39 ` li guang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 2/7] hw/power: add main power chip implementation liguang
2013-04-05 8:35 ` Peter Maydell
2013-04-05 8:45 ` li guang
2013-04-05 9:23 ` Peter Maydell
2013-04-08 0:32 ` li guang
2013-04-08 9:21 ` Peter Maydell
2013-04-09 8:14 ` li guang
2013-04-09 8:29 ` Paolo Bonzini
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device liguang
2013-04-05 11:48 ` Paolo Bonzini
2013-04-08 0:18 ` li guang
2013-04-08 9:53 ` Paolo Bonzini
2013-04-09 7:34 ` li guang
2013-04-09 7:43 ` Paolo Bonzini [this message]
2013-04-09 8:26 ` li guang
2013-04-09 11:06 ` Paolo Bonzini
2013-04-10 0:09 ` li guang
2013-04-10 9:40 ` Paolo Bonzini
2013-04-10 12:09 ` Andreas Färber
2013-04-10 13:41 ` guang li
2013-04-10 13:52 ` Paolo Bonzini
2013-04-11 1:30 ` li guang
2013-04-16 20:45 ` Anthony Liguori
2013-04-17 0:07 ` li guang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 4/7] sysemu: remove PowerReason in sysemu.h liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 5/7] qdev: add power_signal_in for DeviceState liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 6/7] ich9: refactor wakeup/reset function liguang
2013-04-05 4:28 ` [Qemu-devel] [PATCH][RFC v2 7/7] vl: run power_management liguang
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