[RFC V3 PATCH 07/13] microvm: support control method sleep button

[Annie Li]

Add the support of control method sleep button and System
S3 Sleeping State for microvm.

Signed-off-by: Annie Li <annie...@oracle.com>
---
 hw/i386/acpi-microvm.c                 | 11 +++++++++++
 include/hw/acpi/generic_event_device.h |  1 +
 2 files changed, 12 insertions(+)

diff --git a/hw/i386/acpi-microvm.c b/hw/i386/acpi-microvm.c
index 279da6b4aa..57c45ea327 100644
--- a/hw/i386/acpi-microvm.c
+++ b/hw/i386/acpi-microvm.c
@@ -32,6 +32,7 @@
 #include "hw/acpi/generic_event_device.h"
 #include "hw/acpi/utils.h"
 #include "hw/acpi/erst.h"
+#include "hw/acpi/control_method_device.h"
 #include "hw/i386/fw_cfg.h"
 #include "hw/i386/microvm.h"
 #include "hw/pci/pci.h"
@@ -123,12 +124,22 @@ build_dsdt_microvm(GArray *table_data, BIOSLinker *linker,
     build_ged_aml(sb_scope, GED_DEVICE, x86ms->acpi_dev,
                   GED_MMIO_IRQ, AML_SYSTEM_MEMORY, GED_MMIO_BASE);
     acpi_dsdt_add_power_button(sb_scope);
+    acpi_dsdt_add_sleep_button(sb_scope);
     acpi_dsdt_add_virtio(sb_scope, mms);
     acpi_dsdt_add_xhci(sb_scope, mms);
     acpi_dsdt_add_pci(sb_scope, mms);
     aml_append(dsdt, sb_scope);
 
     /* ACPI 5.0: Table 7-209 System State Package */
+    scope = aml_scope("\\");
+    pkg = aml_package(4);
+    aml_append(pkg, aml_int(ACPI_GED_SLP_TYP_S3));
+    aml_append(pkg, aml_int(0)); /* ignored */
+    aml_append(pkg, aml_int(0)); /* reserved */
+    aml_append(pkg, aml_int(0)); /* reserved */
+    aml_append(scope, aml_name_decl("_S3", pkg));
+    aml_append(dsdt, scope);
+
     scope = aml_scope("\\");
     pkg = aml_package(4);
     aml_append(pkg, aml_int(ACPI_GED_SLP_TYP_S5));
diff --git a/include/hw/acpi/generic_event_device.h 
b/include/hw/acpi/generic_event_device.h
index d2dac87b4a..28c5785863 100644
--- a/include/hw/acpi/generic_event_device.h
+++ b/include/hw/acpi/generic_event_device.h
@@ -85,6 +85,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(AcpiGedState, ACPI_GED)
 #define ACPI_GED_SLP_TYP_POS       0x2   /* SLP_TYPx Bit Offset */
 #define ACPI_GED_SLP_TYP_MASK      0x07  /* SLP_TYPx 3-bit mask */
 #define ACPI_GED_SLP_TYP_S5        0x05  /* System _S5 State (Soft Off) */
+#define ACPI_GED_SLP_TYP_S3        0x03  /* System _S3 State (Sleeping State) 
*/
 #define ACPI_GED_SLP_EN            0x20  /* SLP_EN write-only bit */
 
 #define GED_DEVICE      "GED"
-- 
2.43.5