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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
parentc345680cb46f240f62cf2356503d8783033c8180 (diff)
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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')
-rw-r--r--hw/arm/virt-acpi-build.c6
-rw-r--r--hw/arm/virt.c18
2 files changed, 15 insertions, 9 deletions
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index c97661a..4cd5017 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -50,7 +50,6 @@
#include "migration/vmstate.h"
#define ARM_SPI_BASE 32
-#define ACPI_POWER_BUTTON_DEVICE "PWRB"
static void acpi_dsdt_add_cpus(Aml *scope, int smp_cpus)
{
@@ -741,13 +740,14 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
(irqmap[VIRT_MMIO] + ARM_SPI_BASE), NUM_VIRTIO_TRANSPORTS);
acpi_dsdt_add_pci(scope, memmap, (irqmap[VIRT_PCIE] + ARM_SPI_BASE),
vms->highmem, vms->highmem_ecam);
- acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO],
- (irqmap[VIRT_GPIO] + ARM_SPI_BASE));
if (vms->acpi_dev) {
build_ged_aml(scope, "\\_SB."GED_DEVICE,
HOTPLUG_HANDLER(vms->acpi_dev),
irqmap[VIRT_ACPI_GED] + ARM_SPI_BASE, AML_SYSTEM_MEMORY,
memmap[VIRT_ACPI_GED].base);
+ } else {
+ acpi_dsdt_add_gpio(scope, &memmap[VIRT_GPIO],
+ (irqmap[VIRT_GPIO] + ARM_SPI_BASE));
}
if (vms->acpi_dev) {
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index dbd8c18..d4bedc2 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 */