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acpi: add interface to build device specific AML

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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>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20220608135340.3304695-2-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2022-06-08 09:53:06 -04:00 • committed by Michael S. Tsirkin
parent 6d940eff47
commit 23609e47c0
3 changed files with 49 additions and 1 deletions
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8
hw/acpi/acpi_interface.c
View file

@ -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)