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authorShameer Kolothum <shameerali.kolothum.thodi@huawei.com>2019-09-18 14:06:30 +0100
committerMichael S. Tsirkin <mst@redhat.com>2019-10-05 17:12:09 -0400
commit1962f31b86b6fbba41a87a667ef3f58cdac14f3b (patch)
tree4c135c1ea25544622e201ce2554829bca24855c3 /hw/arm/virt.c
parentc345680cb46f240f62cf2356503d8783033c8180 (diff)
downloadfocaccia-qemu-1962f31b86b6fbba41a87a667ef3f58cdac14f3b.tar.gz
focaccia-qemu-1962f31b86b6fbba41a87a667ef3f58cdac14f3b.zip
hw/arm: Use GED for system_powerdown event
For machines 4.2 or higher with ACPI boot use GED for system_powerdown
event instead of GPIO. Guest boot with DT still uses GPIO.

Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190918130633.4872-9-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/arm/virt.c')
-rw-r--r--hw/arm/virt.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index dbd8c18f36..d4bedc2607 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -536,10 +536,10 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms, qemu_irq *pic)
     DeviceState *dev;
     MachineState *ms = MACHINE(vms);
     int irq = vms->irqmap[VIRT_ACPI_GED];
-    uint32_t event = 0;
+    uint32_t event = ACPI_GED_PWR_DOWN_EVT;
 
     if (ms->ram_slots) {
-        event = ACPI_GED_MEM_HOTPLUG_EVT;
+        event |= ACPI_GED_MEM_HOTPLUG_EVT;
     }
 
     dev = qdev_create(NULL, TYPE_ACPI_GED);
@@ -793,8 +793,14 @@ static void create_rtc(const VirtMachineState *vms, qemu_irq *pic)
 static DeviceState *gpio_key_dev;
 static void virt_powerdown_req(Notifier *n, void *opaque)
 {
-    /* use gpio Pin 3 for power button event */
-    qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1);
+    VirtMachineState *s = container_of(n, VirtMachineState, powerdown_notifier);
+
+    if (s->acpi_dev) {
+        acpi_send_event(s->acpi_dev, ACPI_POWER_DOWN_STATUS);
+    } else {
+        /* use gpio Pin 3 for power button event */
+        qemu_set_irq(qdev_get_gpio_in(gpio_key_dev, 0), 1);
+    }
 }
 
 static void create_gpio(const VirtMachineState *vms, qemu_irq *pic)
@@ -1723,10 +1729,10 @@ static void machvirt_init(MachineState *machine)
 
     create_pcie(vms, pic);
 
-    create_gpio(vms, pic);
-
     if (has_ged && aarch64 && firmware_loaded && acpi_enabled) {
         vms->acpi_dev = create_acpi_ged(vms, pic);
+    } else {
+        create_gpio(vms, pic);
     }
 
      /* connect powerdown request */