在 2013-05-27一的 23:21 +0300，Michael S. Tsirkin写道：
> On Wed, May 22, 2013 at 11:46:36AM +0800, liguang wrote:
> > Signed-off-by: liguang <lig.f...@cn.fujitsu.com>
> > ---
> > hw/acpi/ich9.c | 15 +++++++++++++++
> > include/hw/acpi/ich9.h | 1 +
> > 2 files changed, 16 insertions(+), 0 deletions(-)
> >
> > diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> > index 582dbec..2ecde32 100644
> > --- a/hw/acpi/ich9.c
> > +++ b/hw/acpi/ich9.c
> > @@ -33,6 +33,7 @@
> > #include "exec/address-spaces.h"
> >
> > #include "hw/i386/ich9.h"
> > +#include "hw/acpi/ec.h"
> >
> > //#define DEBUG
> >
>
> Which symbols does this patch use from ec.h?
qemu_register_ec_sci_notifier
>
> > @@ -43,6 +44,8 @@ do { printf("%s "fmt, __func__, ## __VA_ARGS__); } while
> > (0)
> > #define ICH9_DEBUG(fmt, ...) do { } while (0)
> > #endif
> >
> > +#define GPE_EC_SCI_STATUS (0x1 << (16 + 1))
> > +
> > static void pm_update_sci(ICH9LPCPMRegs *pm)
> > {
> > int sci_level, pm1a_sts;
> > @@ -202,6 +205,15 @@ static void pm_powerdown_req(Notifier *n, void *opaque)
> > acpi_pm1_evt_power_down(&pm->acpi_regs);
> > }
> >
> > +static void pm_ec_sci_req(Notifier *n, void *opaque)
> > +{
> > + ICH9LPCPMRegs *pm = container_of(n, ICH9LPCPMRegs, ec_sci_notifier);
> > + ACPIGPE *gpe = &pm->acpi_regs.gpe;
> > +
> > + *gpe->sts |= GPE_EC_SCI_STATUS;
> > + pm_update_sci(pm);
> > +}
> > +
> > void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
> > qemu_irq sci_irq)
> > {
> > @@ -227,4 +239,7 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
> > qemu_register_reset(pm_reset, pm);
> > pm->powerdown_notifier.notify = pm_powerdown_req;
> > qemu_register_powerdown_notifier(&pm->powerdown_notifier);
> > +
> > + pm->ec_sci_notifier.notify = pm_ec_sci_req;
> > + qemu_register_ec_sci_notifier(&pm->ec_sci_notifier);
> > }
> > diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h
> > index b1fe71f..f358deb 100644
> > --- a/include/hw/acpi/ich9.h
> > +++ b/include/hw/acpi/ich9.h
> > @@ -42,6 +42,7 @@ typedef struct ICH9LPCPMRegs {
> >
> > uint32_t pm_io_base;
> > Notifier powerdown_notifier;
> > + Notifier ec_sci_notifier;
> > } ICH9LPCPMRegs;
> >
> > void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
> > --
> > 1.7.2.5
