Hi, Anthony
Sorry to bother you,
can you please help to see it this work is
worth to go on, or ...
or someone else can help to see this patch-set.
Thanks All.
在 2013-03-13三的 16:01 +0800，liguang写道：
> 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
> on/off/wakeup/suspend ... filed for DeviceClass), this will
> bring tidy power management, and the emulation will more like what
> happened in real world.
>
> Of course, it's only a patch-set for RFC, I'd like to ask all
> developers to help correct this idea, if it's worth to implement,
> I'll go head to refactor more.
>
> Li Guang (14)
> gitignore: ignore more files
> qdev: add power management method
> qdev: remove redundant abort()
> qdev: add power on/off/suspend/wakeup handler
> power: add power chip emulation
> sysemu: remove PowerReason in sysemu.h
> acpi: refactor acpi wakeup function
> ich9: make lpc's reset also do pm_reset
> ich9: do lpc's power on by reset function
> piix4: refactor piix4's power callbacks
> pckbd: refactor pckbd's power callbacks
> ps2: call ps2_{kbd,mouse}_reset in kbd_reset
> parallel: refactor parallel_reset function
> uhci: refactor uhci's power callbacks
>
> .gitignore | 3 +++
> Makefile.objs | 1 +
> hw/acpi.c | 20 +++++++++-----------
> hw/acpi.h | 3 ++-
> hw/acpi_ich9.c | 4 ++--
> hw/ich9.h | 1 +
> hw/lpc_ich9.c | 12 ++++++++++-
> hw/parallel.c | 10 ++++++----
> hw/pckbd.c | 25 ++++++++++++----------
> hw/piix4.c | 14 ++++++++++++--
> hw/ps2.c | 8 ++++----
> hw/ps2.h | 2 ++
> hw/qdev-core.h | 15 ++++++
> hw/qdev.c | 99 +--
> hw/usb/hcd-uhci.c | 10 ++++++++++
> include/sysemu/sysemu.h | 7 +------
> power.c | 133
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> power.h | 41 +++++++++++++++++
> 18 files changed, 365 insertions(+), 43 deletions(-)
> create mode 100644 power.c
> create mode 100644 power.h
>
>
>
