Re: [RFC V3 PATCH 11/13] microvm: suspend the system as requested

[Gustavo Romero]

Hi Annie,

On 4/11/25 17:44, Annie Li wrote:

Once the microvm guest requests to go to sleep state and
sets the GED register with S3 type, QEMU needs to continue
suspending the system.

Signed-off-by: Annie Li <annie...@oracle.com>
---
  hw/acpi/generic_event_device.c | 3 +++
  1 file changed, 3 insertions(+)

diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c
index 5a1ac8e362..bc53551a45 100644
--- a/hw/acpi/generic_event_device.c
+++ b/hw/acpi/generic_event_device.c
@@ -213,6 +213,9 @@ static void ged_regs_write(void *opaque, hwaddr addr, 
uint64_t data,
          if (slp_en && slp_typ == ACPI_GED_SLP_TYP_S5) {
              qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
          }
+        if (slp_en && slp_typ == ACPI_GED_SLP_TYP_S3) {
+            qemu_system_suspend_request();
+        }
          return;
      case ACPI_GED_REG_SLEEP_STS:
          return;

Reviewed-by: Gustavo Romero <gustavo.rom...@linaro.org>


Cheers,
Gustavo