IntelFrameworkPkg/Include/Protocol/SmmUsbDispatch.h File Reference


Data Structures

struct  EFI_SMM_USB_DISPATCH_CONTEXT
struct  _EFI_SMM_USB_DISPATCH_PROTOCOL

Defines

#define EFI_SMM_USB_DISPATCH_PROTOCOL_GUID

Typedefs

typedef struct
_EFI_SMM_USB_DISPATCH_PROTOCOL 
EFI_SMM_USB_DISPATCH_PROTOCOL
typedef VOID(EFIAPI * EFI_SMM_USB_DISPATCH )(IN EFI_HANDLE DispatchHandle, IN EFI_SMM_USB_DISPATCH_CONTEXT *DispatchContext)
typedef EFI_STATUS(EFIAPI * EFI_SMM_USB_REGISTER )(IN EFI_SMM_USB_DISPATCH_PROTOCOL *This, IN EFI_SMM_USB_DISPATCH DispatchFunction, IN EFI_SMM_USB_DISPATCH_CONTEXT *DispatchContext, OUT EFI_HANDLE *DispatchHandle)
typedef EFI_STATUS(EFIAPI * EFI_SMM_USB_UNREGISTER )(IN EFI_SMM_USB_DISPATCH_PROTOCOL *This, IN EFI_HANDLE DispatchHandle)

Variables

EFI_GUID gEfiSmmUsbDispatchProtocolGuid

Detailed Description

Provides the parent dispatch service for the USB SMI source generator.

Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.
This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License that 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.

Revision Reference:
This Protocol is defined in Framework of EFI SMM Core Interface Spec Version 0.9.

Define Documentation

#define EFI_SMM_USB_DISPATCH_PROTOCOL_GUID

Value:

{ \
    0xa05b6ffd, 0x87af, 0x4e42, {0x95, 0xc9, 0x62, 0x28, 0xb6, 0x3c, 0xf3, 0xf3 } \
  }


Typedef Documentation

typedef VOID(EFIAPI * EFI_SMM_USB_DISPATCH)(IN EFI_HANDLE DispatchHandle, IN EFI_SMM_USB_DISPATCH_CONTEXT *DispatchContext)

Dispatch function for a USB SMI handler.

Parameters:
[in] DispatchHandle Handle of this dispatch function.
[in] DispatchContext Pointer to the dispatch function's context. The DispatchContext fields are filled in by the dispatching driver prior to invoking this dispatch function.

typedef EFI_STATUS(EFIAPI * EFI_SMM_USB_REGISTER)(IN EFI_SMM_USB_DISPATCH_PROTOCOL *This, IN EFI_SMM_USB_DISPATCH DispatchFunction, IN EFI_SMM_USB_DISPATCH_CONTEXT *DispatchContext, OUT EFI_HANDLE *DispatchHandle)

Register a child SMI source dispatch function with a parent SMM driver.

Parameters:
[in] This The pointer to the EFI_SMM_USB_DISPATCH_PROTOCOL instance.
[in] DispatchFunction The pointer to dispatch function to be invoked for this SMI source.
[in] DispatchContext The pointer to the dispatch function's context. The caller fills this context in before calling the register function to indicate to the register function the USB SMI types for which the dispatch function should be invoked.
[out] DispatchHandle The handle generated by the dispatcher to track the function instance.
Return values:
EFI_SUCCESS The dispatch function has been successfully registered and the SMI source has been enabled.
EFI_DEVICE_ERROR The driver was unable to enable the SMI source.
EFI_OUT_OF_RESOURCES Not enough memory (system or SMM) to manage this child.
EFI_INVALID_PARAMETER DispatchContext is invalid. The USB SMI type is not within valid range.

typedef EFI_STATUS(EFIAPI * EFI_SMM_USB_UNREGISTER)(IN EFI_SMM_USB_DISPATCH_PROTOCOL *This, IN EFI_HANDLE DispatchHandle)

Unregisters a USB service.

Parameters:
[in] This The pointer to the EFI_SMM_USB_DISPATCH_PROTOCOL instance.
[in] DispatchHandle Handle of the service to remove.
Return values:
EFI_SUCCESS The dispatch function has been successfully unregistered and the SMI source has been disabled if there are no other registered child dispatch functions for this SMI source.
EFI_INVALID_PARAMETER The DispatchHandle was not valid.


Variable Documentation


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