mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

acpi: use notifier for signaling guest system_powerdown command

Browse Source 
In addition, there is no need to allocate an extra irq just for
rising SCI in irq handler. Just rise SCI right from notifier
handler instead.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Igor Mammedov 2012-09-05 23:06:22 +02:00 committed by Anthony Liguori
parent a9552c8edb
commit d010f91c3a
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
hw/acpi_piix4.c
View File

@ -67,6 +67,7 @@ typedef struct PIIX4PMState {
qemu_irq smi_irq;
int kvm_enabled;
Notifier machine_ready;
Notifier powerdown_notifier;
/* for pci hotplug */
struct pci_status pci0_status;
@ -362,9 +363,9 @@ static void piix4_reset(void *opaque)
piix4_update_hotplug(s);
}
static void piix4_powerdown(void *opaque, int irq, int power_failing)
static void piix4_pm_powerdown_req(Notifier *n, void *opaque)
{
PIIX4PMState *s = opaque;
PIIX4PMState *s = container_of(n, PIIX4PMState, powerdown_notifier);
assert(s != NULL);
acpi_pm1_evt_power_down(&s->ar);
@ -416,7 +417,8 @@ static int piix4_pm_initfn(PCIDevice *dev)
acpi_pm_tmr_init(&s->ar, pm_tmr_timer);
acpi_gpe_init(&s->ar, GPE_LEN);
qemu_system_powerdown = *qemu_allocate_irqs(piix4_powerdown, s, 1);
s->powerdown_notifier.notify = piix4_pm_powerdown_req;
qemu_register_powerdown_notifier(&s->powerdown_notifier);
pm_smbus_init(&s->dev.qdev, &s->smb);
s->machine_ready.notify = piix4_pm_machine_ready;