[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH 01/35] acpi: add interface to build device specific AML
From: |
Igor Mammedov |
Subject: |
[PATCH 01/35] acpi: add interface to build device specific AML |
Date: |
Mon, 16 May 2022 11:25:36 -0400 |
There is already ISADeviceClass::build_aml() callback which
builds device specific AML blob for some ISA devices.
To extend the same idea to other devices, add TYPE_ACPI_DEV_AML_IF
Interface that will provide a more generic callback which
will be used not only for ISA but other devices. It will
allow get rid of some data-mining and ad-hoc AML building,
by asking device(s) to generate its own AML blob like it's
done for ISA devices.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
include/hw/acpi/acpi_aml_interface.h | 40 ++++++++++++++++++++++++++++
hw/acpi/acpi_interface.c | 8 ++++++
hw/acpi/meson.build | 2 +-
3 files changed, 49 insertions(+), 1 deletion(-)
create mode 100644 include/hw/acpi/acpi_aml_interface.h
diff --git a/include/hw/acpi/acpi_aml_interface.h
b/include/hw/acpi/acpi_aml_interface.h
new file mode 100644
index 0000000000..ab76f0e55d
--- /dev/null
+++ b/include/hw/acpi/acpi_aml_interface.h
@@ -0,0 +1,40 @@
+#ifndef ACPI_AML_INTERFACE_H
+#define ACPI_AML_INTERFACE_H
+
+#include "qom/object.h"
+#include "hw/acpi/aml-build.h"
+
+#define TYPE_ACPI_DEV_AML_IF "acpi-dev-aml-interface"
+typedef struct AcpiDevAmlIfClass AcpiDevAmlIfClass;
+DECLARE_CLASS_CHECKERS(AcpiDevAmlIfClass, ACPI_DEV_AML_IF,
TYPE_ACPI_DEV_AML_IF)
+#define ACPI_DEV_AML_IF(obj) \
+ INTERFACE_CHECK(AcpiDevAmlIf, (obj), TYPE_ACPI_DEV_AML_IF)
+
+typedef struct AcpiDevAmlIf AcpiDevAmlIf;
+typedef void (*dev_aml_fn)(AcpiDevAmlIf *adev, Aml *scope);
+
+/**
+ * AcpiDevAmlIfClass:
+ *
+ * build_dev_aml: adds device specific AML blob to provided scope
+ *
+ * Interface is designed for providing generic callback that builds device
+ * specific AML blob.
+ */
+struct AcpiDevAmlIfClass {
+ /* <private> */
+ InterfaceClass parent_class;
+
+ /* <public> */
+ dev_aml_fn build_dev_aml;
+};
+
+static inline void call_dev_aml_func(DeviceState *dev, Aml *scope)
+{
+ if (object_dynamic_cast(OBJECT(dev), TYPE_ACPI_DEV_AML_IF)) {
+ AcpiDevAmlIfClass *klass = ACPI_DEV_AML_IF_GET_CLASS(dev);
+ klass->build_dev_aml(ACPI_DEV_AML_IF(dev), scope);
+ }
+}
+
+#endif
diff --git a/hw/acpi/acpi_interface.c b/hw/acpi/acpi_interface.c
index 6583917b8e..c668d361f6 100644
--- a/hw/acpi/acpi_interface.c
+++ b/hw/acpi/acpi_interface.c
@@ -1,5 +1,6 @@
#include "qemu/osdep.h"
#include "hw/acpi/acpi_dev_interface.h"
+#include "hw/acpi/acpi_aml_interface.h"
#include "qemu/module.h"
void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event)
@@ -18,8 +19,15 @@ static void register_types(void)
.parent = TYPE_INTERFACE,
.class_size = sizeof(AcpiDeviceIfClass),
};
+ static const TypeInfo acpi_dev_aml_if_info = {
+ .name = TYPE_ACPI_DEV_AML_IF,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(AcpiDevAmlIfClass),
+ };
+
type_register_static(&acpi_dev_if_info);
+ type_register_static(&acpi_dev_aml_if_info);
}
type_init(register_types)
diff --git a/hw/acpi/meson.build b/hw/acpi/meson.build
index 8bea2e6933..9504f5ce09 100644
--- a/hw/acpi/meson.build
+++ b/hw/acpi/meson.build
@@ -28,7 +28,7 @@ acpi_ss.add(when: 'CONFIG_PC', if_false:
files('acpi-x86-stub.c'))
if have_tpm
acpi_ss.add(files('tpm.c'))
endif
-softmmu_ss.add(when: 'CONFIG_ACPI', if_false: files('acpi-stub.c',
'aml-build-stub.c', 'ghes-stub.c'))
+softmmu_ss.add(when: 'CONFIG_ACPI', if_false: files('acpi-stub.c',
'aml-build-stub.c', 'ghes-stub.c', 'acpi_interface.c'))
softmmu_ss.add_all(when: 'CONFIG_ACPI', if_true: acpi_ss)
softmmu_ss.add(when: 'CONFIG_ALL', if_true: files('acpi-stub.c',
'aml-build-stub.c',
'acpi-x86-stub.c',
'ipmi-stub.c', 'ghes-stub.c',
--
2.31.1
- [PATCH 00/35] pc/q35: refactor ISA and SMBUS AML generation, Igor Mammedov, 2022/05/16
- [PATCH 01/35] acpi: add interface to build device specific AML,
Igor Mammedov <=
- [PATCH 03/35] acpi: fdc-isa: replace ISADeviceClass::build_aml with AcpiDevAmlIfClass:build_dev_aml, Igor Mammedov, 2022/05/16
- [PATCH 02/35] acpi: make isa_build_aml() support AcpiDevAmlIf interface, Igor Mammedov, 2022/05/16
- [PATCH 04/35] acpi: parallel port: replace ISADeviceClass::build_aml with AcpiDevAmlIfClass:build_dev_aml, Igor Mammedov, 2022/05/16
- [PATCH 06/35] acpi: mc146818rtc: replace ISADeviceClass::build_aml with AcpiDevAmlIfClass:build_dev_aml, Igor Mammedov, 2022/05/16
- [PATCH 05/35] acpi: serial-is: replace ISADeviceClass::build_aml with AcpiDevAmlIfClass:build_dev_aml, Igor Mammedov, 2022/05/16
- [PATCH 07/35] acpi: pckbd: replace ISADeviceClass::build_aml with AcpiDevAmlIfClass:build_dev_aml, Igor Mammedov, 2022/05/16
- [PATCH 08/35] isa-bus: drop no longer used ISADeviceClass::build_aml, Igor Mammedov, 2022/05/16