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/** @file
The Super I/O Control Protocol is installed by the Super I/O driver. It provides
the low-level services for SIO devices that enable them to be used in the UEFI
driver model.
Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
@par Revision Reference:
This protocol is from PI Version 1.2.1.
**/
#ifndef __EFI_SUPER_IO_CONTROL_PROTOCOL_H__
#define __EFI_SUPER_IO_CONTROL_PROTOCOL_H__
#define EFI_SIO_CONTROL_PROTOCOL_GUID \
{ \
0xb91978df, 0x9fc1, 0x427d, { 0xbb, 0x5, 0x4c, 0x82, 0x84, 0x55, 0xca, 0x27 } \
}
typedef struct _EFI_SIO_CONTROL_PROTOCOL EFI_SIO_CONTROL_PROTOCOL;
typedef struct _EFI_SIO_CONTROL_PROTOCOL *PEFI_SIO_CONTROL_PROTOCOL;
/**
Enable an ISA-style device.
This function enables a logical ISA device and, if necessary, configures it
to default settings, including memory, I/O, DMA and IRQ resources.
@param This A pointer to this instance of the EFI_SIO_CONTROL_PROTOCOL.
@retval EFI_SUCCESS The device is enabled successfully.
@retval EFI_OUT_OF_RESOURCES The device could not be enabled because there
were insufficient resources either for the device
itself or for the records needed to track the device.
@retval EFI_ALREADY_STARTED The device is already enabled.
@retval EFI_UNSUPPORTED The device cannot be enabled.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIO_CONTROL_ENABLE)(
IN CONST EFI_SIO_CONTROL_PROTOCOL *This
);
/**
Disable a logical ISA device.
This function disables a logical ISA device so that it no longer consumes
system resources, such as memory, I/O, DMA and IRQ resources. Enough information
must be available so that subsequent Enable() calls would properly reconfigure
the device.
@param This A pointer to this instance of the EFI_SIO_CONTROL_PROTOCOL.
@retval EFI_SUCCESS The device is disabled successfully.
@retval EFI_OUT_OF_RESOURCES The device could not be disabled because there
were insufficient resources either for the device
itself or for the records needed to track the device.
@retval EFI_ALREADY_STARTED The device is already disabled.
@retval EFI_UNSUPPORTED The device cannot be disabled.
**/
typedef
EFI_STATUS
(EFIAPI *EFI_SIO_CONTROL_DISABLE)(
IN CONST EFI_SIO_CONTROL_PROTOCOL *This
);
struct _EFI_SIO_CONTROL_PROTOCOL {
///
/// The version of this protocol.
///
UINT32 Version;
///
/// Enable a device.
///
EFI_SIO_CONTROL_ENABLE EnableDevice;
///
/// Disable a device.
///
EFI_SIO_CONTROL_DISABLE DisableDevice;
};
extern EFI_GUID gEfiSioControlProtocolGuid;
#endif // __EFI_SUPER_IO_CONTROL_PROTOCOL_H__
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