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 <imammedo@redhat.com>
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent a9552c8e

hw/acpi_piix4.c

+5 −3
Original line number Diff line number Diff line
@@ -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;