consplitter.h

来自「Next BIOS Source code : Extensible Firmw」· C头文件 代码 · 共 586 行 · 第 1/2 页

/*++

Copyright (c)  1999 - 2002 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.


Abstract:

  Private data structures for the Console Splitter driver

--*/

#ifndef SPLITER_H_
#define SPLITER_H_

#include "Efi.h"
#include "EfiDriverLib.h"

//
// Consumed Protocols
//
#include EFI_PROTOCOL_DEFINITION (DevicePath)
#include EFI_PROTOCOL_DEFINITION (ConsoleControl)
#include EFI_PROTOCOL_DEFINITION (SimpleTextOut)
#include EFI_PROTOCOL_DEFINITION (SimpleTextIn)
#include EFI_PROTOCOL_DEFINITION (UgaDraw)
#include EFI_PROTOCOL_DEFINITION (SimplePointer)
#include EFI_GUID_DEFINITION     (ConsoleInDevice)
#include EFI_GUID_DEFINITION     (ConsoleOutDevice)
#include EFI_GUID_DEFINITION     (StandardErrorDevice)

//
// Procduced Protocols
//
#include EFI_PROTOCOL_DEFINITION (DriverBinding)
#include EFI_PROTOCOL_DEFINITION (ComponentName)
#include EFI_GUID_DEFINITION     (PrimaryConsoleInDevice)
#include EFI_GUID_DEFINITION     (PrimaryConsoleOutDevice)
#include EFI_GUID_DEFINITION     (PrimaryStandardErrorDevice)

//
// Private Data Structures
//

#define CONSOLE_SPLITTER_CONSOLES_ALLOC_UNIT  32
#define CONSOLE_SPLITTER_MODES_ALLOC_UNIT     32
#define MAX_STD_IN_PASSWORD                   80

typedef struct {
  UINTN   Columns;
  UINTN   Rows;
} TEXT_OUT_SPLITTER_QUERY_DATA;


//
// Private data for the EFI_SIMPLE_INPUT_PROTOCOL splitter
//
#define TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32('T','i','S','p')

typedef struct {
  UINT64                              Signature;
  EFI_HANDLE                          VirtualHandle;

  EFI_SIMPLE_TEXT_IN_PROTOCOL         TextIn;
  UINTN                               CurrentNumberOfConsoles;
  EFI_SIMPLE_TEXT_IN_PROTOCOL         **TextInList;
  UINTN                               TextInListCount;

  EFI_SIMPLE_POINTER_PROTOCOL         SimplePointer;
  EFI_SIMPLE_POINTER_MODE             SimplePointerMode;
  UINTN                               CurrentNumberOfPointers;
  EFI_SIMPLE_POINTER_PROTOCOL         **PointerList;
  UINTN                               PointerListCount;

  BOOLEAN                             PasswordEnabled;
  CHAR16                              Password[MAX_STD_IN_PASSWORD];
  UINTN                               PwdIndex;
  CHAR16                              PwdAttempt[MAX_STD_IN_PASSWORD];
  EFI_EVENT                           LockEvent;
} TEXT_IN_SPLITTER_PRIVATE_DATA;


#define TEXT_IN_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
  CR (a, TEXT_IN_SPLITTER_PRIVATE_DATA, TextIn, TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE)

#define TEXT_IN_SPLITTER_PRIVATE_DATA_FROM_SIMPLE_POINTER_THIS(a)  \
  CR (a, TEXT_IN_SPLITTER_PRIVATE_DATA, SimplePointer, TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE)

//
// Private data for the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL splitter
//
#define TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32('T','o','S','p')

typedef struct {
  EFI_UGA_DRAW_PROTOCOL               *UgaDraw;
  EFI_SIMPLE_TEXT_OUT_PROTOCOL        *TextOut;
  BOOLEAN                             TextOutEnabled;
} TEXT_OUT_AND_UGA_DATA;

typedef struct {
  UINT64                              Signature;
  EFI_HANDLE                          VirtualHandle;
  EFI_SIMPLE_TEXT_OUT_PROTOCOL        TextOut;
  EFI_SIMPLE_TEXT_OUTPUT_MODE         TextOutMode;
  EFI_UGA_DRAW_PROTOCOL               UgaDraw;
  UINT32                              UgaHorizontalResolution;
  UINT32                              UgaVerticalResolution;
  UINT32                              UgaColorDepth;
  UINT32                              UgaRefreshRate;
  EFI_UGA_PIXEL                       *UgaBlt;

  EFI_CONSOLE_CONTROL_PROTOCOL        ConsoleControl;

  UINTN                               CurrentNumberOfConsoles;
  TEXT_OUT_AND_UGA_DATA               *TextOutList;
  UINTN                               TextOutListCount;
  TEXT_OUT_SPLITTER_QUERY_DATA        *TextOutQueryData;
  UINTN                               TextOutQueryDataCount;
  INT32                               *TextOutModeMap;
 
  EFI_SCREEN_MODE_ENUM                UgaMode;

  UINTN                               DevNullColumns;
  UINTN                               DevNullRows;
  CHAR16                              *DevNullScreen;
  INT32                               *DevNullAttributes;

} TEXT_OUT_SPLITTER_PRIVATE_DATA;

#define TEXT_OUT_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
  CR (a, TEXT_OUT_SPLITTER_PRIVATE_DATA, TextOut, TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE)

#define UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
  CR (a, TEXT_OUT_SPLITTER_PRIVATE_DATA, UgaDraw, TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE)

#define CONSOLE_CONTROL_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
  CR (a, TEXT_OUT_SPLITTER_PRIVATE_DATA, ConsoleControl, TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE)

//
// Global variables
//
extern EFI_DRIVER_BINDING_PROTOCOL    gConSplitterConInDriverBinding;
extern EFI_DRIVER_BINDING_PROTOCOL    gConSplitterSimplePointerDriverBinding;
extern EFI_DRIVER_BINDING_PROTOCOL    gConSplitterConOutDriverBinding;
extern EFI_DRIVER_BINDING_PROTOCOL    gConSplitterStdErrDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL    gConSplitterConInComponentName;
extern EFI_COMPONENT_NAME_PROTOCOL    gConSplitterSimplePointerComponentName;
extern EFI_COMPONENT_NAME_PROTOCOL    gConSplitterConOutComponentName;
extern EFI_COMPONENT_NAME_PROTOCOL    gConSplitterStdErrComponentName;

//
// Function Prototypes
//
EFI_STATUS
ConSplitterDriverEntry (
  IN EFI_HANDLE                       ImageHandle,
  IN EFI_SYSTEM_TABLE                 *SystemTable
  );

STATIC
EFI_STATUS
ConSplitterTextInConstructor (
  TEXT_IN_SPLITTER_PRIVATE_DATA       *Private
  );

STATIC
EFI_STATUS
ConSplitterTextOutConstructor (
  TEXT_OUT_SPLITTER_PRIVATE_DATA      *Private
  );

//
// Driver Binding Functions
//
STATIC
EFI_STATUS
EFIAPI
ConSplitterConInDriverBindingSupported (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterSimplePointerDriverBindingSupported (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterConOutDriverBindingSupported (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterStdErrDriverBindingSupported (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterConInDriverBindingStart (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterSimplePointerDriverBindingStart (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterConOutDriverBindingStart (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterStdErrDriverBindingStart (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterConInDriverBindingStop (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  UINTN                           NumberOfChildren,
  IN  EFI_HANDLE                      *ChildHandleBuffer
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterSimplePointerDriverBindingStop (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  UINTN                           NumberOfChildren,
  IN  EFI_HANDLE                      *ChildHandleBuffer
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterConOutDriverBindingStop (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  UINTN                           NumberOfChildren,
  IN  EFI_HANDLE                      *ChildHandleBuffer
  );

STATIC
EFI_STATUS
EFIAPI
ConSplitterStdErrDriverBindingStop (
  IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
  IN  EFI_HANDLE                      ControllerHandle,
  IN  UINTN                           NumberOfChildren,
  IN  EFI_HANDLE                      *ChildHandleBuffer
  );

//