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[Qemu-devel] [PATCH 2/5] acpi: use notifier for signaling guest system_p
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 2/5] acpi: use notifier for signaling guest system_powerdown command |
Date: |
Wed, 29 Aug 2012 19:02:44 +0200 |
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 <address@hidden>
---
hw/acpi_piix4.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index 72d6e5c..4b9d0e8 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -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;
@@ -359,9 +360,9 @@ 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);
@@ -415,7 +416,8 @@ 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;
--
1.7.11.4