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acpi: extend ACPI interface to provide send_event hook

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send_event() hook will allow to send ACPI event in
a target specific way (GPE or GPIO based impl.)
it will also simplify proxy wrappers in piix4pm/ich9
that access ACPI regs and SCI which are part of
piix4pm/lcp_ich9 devices and call acpi_foo() API directly.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
This commit is contained in:
Igor Mammedov 2016-05-31 11:57:57 +02:00 • committed by Michael S. Tsirkin
parent 6d42eefad8
commit eaf23bf794
6 changed files with 39 additions and 9 deletions
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11
include/hw/acpi/acpi_dev_interface.h
View file

@ -4,6 +4,13 @@
#include "qom/object.h"
#include "qapi-types.h"
/* These values are part of guest ABI, and can not be changed */
typedef enum {
ACPI_PCI_HOTPLUG_STATUS = 2,
ACPI_CPU_HOTPLUG_STATUS = 4,
ACPI_MEMORY_HOTPLUG_STATUS = 8,
} AcpiEventStatusBits;
#define TYPE_ACPI_DEVICE_IF "acpi-device-interface"
#define ACPI_DEVICE_IF_CLASS(klass) \
@ -22,11 +29,14 @@ typedef struct AcpiDeviceIf {
Object Parent;
} AcpiDeviceIf;
void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event);
/**
* AcpiDeviceIfClass:
*
* ospm_status: returns status of ACPI device objects, reported
* via _OST method if device supports it.
* send_event: inject a specified event into guest
*
* Interface is designed for providing unified interface
* to generic ACPI functionality that could be used without
@ -39,5 +49,6 @@ typedef struct AcpiDeviceIfClass {
/* <public> */
void (*ospm_status)(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
void (*send_event)(AcpiDeviceIf *adev, AcpiEventStatusBits ev);
} AcpiDeviceIfClass;
#endif