Commit d010f91c authored by Igor Mammedov's avatar Igor Mammedov Committed by Anthony Liguori
Browse files

acpi: use notifier for signaling guest system_powerdown command

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: default avatarIgor Mammedov <>
Signed-off-by: default avatarAnthony Liguori <>
parent a9552c8e
......@@ -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)
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);
......@@ -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;
pm_smbus_init(&s->dev.qdev, &s->smb);
s->machine_ready.notify = piix4_pm_machine_ready;
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