For loongarch virt machine, add powerdown notification callback
and send ACPI_POWER_DOWN_STATUS event by acpi ged. Also add
acpi dsdt table for ACPI_POWER_BUTTON_DEVICE device in this
patch.
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
hw/loongarch/acpi-build.c | 1 +
hw/loongarch/virt.c | 14 ++++++++++++++
include/hw/loongarch/virt.h | 1 +
3 files changed, 16 insertions(+)
diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c
index c2b237736d..b7601cb284 100644
--- a/hw/loongarch/acpi-build.c
+++ b/hw/loongarch/acpi-build.c
@@ -261,6 +261,7 @@ build_la_ged_aml(Aml *dsdt, MachineState *machine)
AML_SYSTEM_MEMORY,
VIRT_GED_MEM_ADDR);
}
+ acpi_dsdt_add_power_button(dsdt);
}
static void build_pci_device_aml(Aml *scope,
LoongArchMachineState *lams)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 66be925068..a4998599d3 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -316,6 +316,16 @@ static void virt_machine_done(Notifier
*notifier, void *data)
loongarch_acpi_setup(lams);
}
+static void virt_powerdown_req(Notifier *notifier, void *opaque)
+{
+ LoongArchMachineState *s = container_of(notifier,
+ LoongArchMachineState,
powerdown_notifier);
+
+ if (s->acpi_ged) {
+ acpi_send_event(s->acpi_ged, ACPI_POWER_DOWN_STATUS);
+ }
+}
+
struct memmap_entry {
uint64_t address;
uint64_t length;
@@ -859,6 +869,10 @@ static void loongarch_init(MachineState *machine)
VIRT_PLATFORM_BUS_IRQ);
lams->machine_done.notify = virt_machine_done;
qemu_add_machine_init_done_notifier(&lams->machine_done);
+ /* connect powerdown request */
+ lams->powerdown_notifier.notify = virt_powerdown_req;
+ qemu_register_powerdown_notifier(&lams->powerdown_notifier);
+
fdt_add_pcie_node(lams);
/*
* Since lowmem region starts from 0 and Linux kernel legacy
start address
diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h
index f5f818894e..7ae8a91229 100644
--- a/include/hw/loongarch/virt.h
+++ b/include/hw/loongarch/virt.h
@@ -45,6 +45,7 @@ struct LoongArchMachineState {
/* State for other subsystems/APIs: */
FWCfgState *fw_cfg;
Notifier machine_done;
+ Notifier powerdown_notifier;
OnOffAuto acpi;
char *oem_id;
char *oem_table_id;