[mirror_edk2.git] / MdeModulePkg / Universal / Console / ConPlatformDxe / ConPlatform.h

/** @file\r
  Header file for Console Platfrom DXE Driver.\r
\r
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution.  The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef _CON_PLATFORM_H_\r
#define _CON_PLATFORM_H_\r
\r
#include <Uefi.h>\r
\r
#include <Protocol/SimpleTextOut.h>\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/SimpleTextIn.h>\r
\r
#include <Guid/GlobalVariable.h>\r
#include <Guid/ConsoleInDevice.h>\r
#include <Guid/StandardErrorDevice.h>\r
#include <Guid/ConsoleOutDevice.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
\r
//\r
// Driver Binding Externs\r
//\r
extern EFI_DRIVER_BINDING_PROTOCOL  gConPlatformTextInDriverBinding;\r
extern EFI_COMPONENT_NAME_PROTOCOL  gConPlatformComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2;\r
extern EFI_DRIVER_BINDING_PROTOCOL  gConPlatformTextOutDriverBinding;\r
extern EFI_COMPONENT_NAME_PROTOCOL  gConPlatformComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2;\r
\r
\r
typedef enum {\r
  Check,\r
  Append,\r
  Delete\r
} CONPLATFORM_VAR_OPERATION;\r
\r
/**\r
  Test to see if specific protocol could be supported on the ControllerHandle. \r
\r
  @param  This                Protocol instance pointer.\r
  @param  ControllerHandle    Handle of device to test.\r
  @param  ProtocolGuid        The specfic protocol.\r
\r
  @retval EFI_SUCCESS         This driver supports this device\r
  @retval other               This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
ConPlatformDriverBindingSupported (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   ControllerHandle,\r
  IN  EFI_GUID                     *ProtocolGuid\r
  );\r
\r
/**\r
  Test to see if EFI_SIMPLE_TEXT_INPUT_PROTOCOL is supported on ControllerHandle. \r
\r
  @param  This                Protocol instance pointer.\r
  @param  ControllerHandle    Handle of device to test.\r
  @param  RemainingDevicePath Optional parameter use to pick a specific child\r
                              device to start.\r
\r
  @retval EFI_SUCCESS         This driver supports this device.\r
  @retval other               This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformTextInDriverBindingSupported (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   Handle,\r
  IN  EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath  OPTIONAL\r
  );\r
\r
/**\r
  Test to see if EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL is supported on ControllerHandle. \r
\r
  @param  This                Protocol instance pointer.\r
  @param  ControllerHandle    Handle of device to test.\r
  @param  RemainingDevicePath Optional parameter use to pick a specific child\r
                              device to start.\r
\r
  @retval EFI_SUCCESS         This driver supports this device.\r
  @retval other               This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformTextOutDriverBindingSupported (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   Handle,\r
  IN  EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath  OPTIONAL\r
  );\r
\r
/**\r
  Start this driver on the device for console input.\r
\r
  Start this driver on ControllerHandle by opening Simple Text Input Protocol,\r
  reading Device Path, and installing Console In Devcice GUID on ControllerHandle.\r
\r
  If this devcie is not one hot-plug devce, append its device path into the \r
  console environment variables ConInDev.\r
  \r
  @param  This                 Protocol instance pointer.\r
  @param  ControllerHandle     Handle of device to bind driver to\r
  @param  RemainingDevicePath  Optional parameter use to pick a specific child\r
                               device to start.\r
\r
  @retval EFI_SUCCESS          This driver is added to ControllerHandle\r
  @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle\r
  @retval other                This driver does not support this device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformTextInDriverBindingStart (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL   *This,\r
  IN  EFI_HANDLE                    Handle,\r
  IN  EFI_DEVICE_PATH_PROTOCOL      *RemainingDevicePath\r
  );\r
\r
/**\r
  Start this driver on the device for console output and stardard error output.\r
\r
  Start this driver on ControllerHandle by opening Simple Text Output Protocol,\r
  reading Device Path, and installing Console Out Devcic GUID, Standard Error\r
  Device GUID on ControllerHandle.\r
\r
  If this devcie is not one hot-plug devce, append its device path into the \r
  console environment variables ConOutDev, StdErrDev.\r
  \r
  @param  This                 Protocol instance pointer.\r
  @param  ControllerHandle     Handle of device to bind driver to\r
  @param  RemainingDevicePath  Optional parameter use to pick a specific child\r
                               device to start.\r
\r
  @retval EFI_SUCCESS          This driver is added to ControllerHandle\r
  @retval EFI_ALREADY_STARTED  This driver is already running on ControllerHandle\r
  @retval other                This driver does not support this device\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformTextOutDriverBindingStart (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL   *This,\r
  IN  EFI_HANDLE                    Handle,\r
  IN  EFI_DEVICE_PATH_PROTOCOL      *RemainingDevicePath\r
  );\r
\r
/**\r
  Stop this driver on ControllerHandle by removing Console In Devcice GUID \r
  and closing the Simple Text Input protocol on ControllerHandle.\r
\r
  @param  This              Protocol instance pointer.\r
  @param  ControllerHandle  Handle of device to stop driver on\r
  @param  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of\r
                            children is zero stop the entire bus driver.\r
  @param  ChildHandleBuffer List of Child Handles to Stop.\r
\r
  @retval EFI_SUCCESS       This driver is removed ControllerHandle\r
  @retval other             This driver was not removed from this device\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformTextInDriverBindingStop (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   Handle,\r
  IN  UINTN                        NumberOfChildren,\r
  IN  EFI_HANDLE                   *ChildHandleBuffer\r
  );\r
\r
/**\r
  Stop this driver on ControllerHandle by removing Console Out Devcice GUID \r
  and closing the Simple Text Output protocol on ControllerHandle.\r
\r
  @param  This              Protocol instance pointer.\r
  @param  ControllerHandle  Handle of device to stop driver on\r
  @param  NumberOfChildren  Number of Handles in ChildHandleBuffer. If number of\r
                            children is zero stop the entire bus driver.\r
  @param  ChildHandleBuffer List of Child Handles to Stop.\r
\r
  @retval EFI_SUCCESS       This driver is removed ControllerHandle\r
  @retval other             This driver was not removed from this device\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformTextOutDriverBindingStop (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   Handle,\r
  IN  UINTN                        NumberOfChildren,\r
  IN  EFI_HANDLE                   *ChildHandleBuffer\r
  );\r
\r
/**\r
  Uninstall the specified protocol.\r
\r
  @param This            Protocol instance pointer.\r
  @param Handle          Handle of device to uninstall protocol on.\r
  @param ProtocolGuid    The specified protocol need to be uninstalled.\r
\r
**/\r
VOID\r
ConPlatformUnInstallProtocol (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN  EFI_HANDLE                   Handle,\r
  IN  EFI_GUID                     *ProtocolGuid\r
  );\r
\r
/**\r
  Read the EFI variable (Name) and return a dynamically allocated\r
  buffer, and the size of the buffer. On failure return NULL.\r
\r
  @param  Name             String part of EFI variable name\r
\r
  @return Dynamically allocated memory that contains a copy of the EFI variable.\r
          Caller is repsoncible freeing the buffer. Return NULL means Variable \r
          was not read.\r
\r
**/\r
VOID *\r
ConPlatformGetVariable (\r
  IN  CHAR16              *Name\r
  );\r
\r
/**\r
  Function compares a device path data structure to that of all the nodes of a\r
  second device path instance.\r
\r
\r
  @param Multi           A pointer to a multi-instance device path data structure.\r
  @param Single          A pointer to a single-instance device path data structure.\r
  @param NewDevicePath   If Delete is TRUE, this parameter must not be null, and it\r
                         points to the remaining device path data structure.\r
                         (remaining device path = Multi - Single.)\r
  @param Delete          If TRUE, means removing Single from Multi.\r
                         If FALSE, the routine just check whether Single matches\r
                         with any instance in Multi.\r
\r
  @retval EFI_SUCCESS           If the Single is contained within Multi.\r
  @retval EFI_NOT_FOUND         If the Single is not contained within Multi.\r
  @retval EFI_INVALID_PARAMETER Multi is NULL.\r
  @retval EFI_INVALID_PARAMETER Single is NULL.\r
  @retval EFI_INVALID_PARAMETER NewDevicePath is NULL when Delete is TRUE.\r
\r
**/\r
EFI_STATUS\r
ConPlatformMatchDevicePaths (\r
  IN  EFI_DEVICE_PATH_PROTOCOL  *Multi,\r
  IN  EFI_DEVICE_PATH_PROTOCOL  *Single,\r
  OUT EFI_DEVICE_PATH_PROTOCOL  **NewDevicePath OPTIONAL,\r
  IN  BOOLEAN                   Delete\r
  );\r
\r
/**\r
  Update console environment variables.\r
\r
  @param  VariableName    Console environment variables, ConOutDev, ConInDev\r
                          StdErrDev, ConIn or ConOut.\r
  @param  DevicePath      Console devcie's device path.\r
  @param  Operation       Variable operations, including APPEND, CHECK and DELETE.\r
\r
  @retval EFI_SUCCESS           Variable operates successfully.\r
  @retval EFI_OUT_OF_RESOURCES  If variable cannot be appended.\r
  @retval other                 Variable updating failed.\r
\r
**/\r
EFI_STATUS\r
ConPlatformUpdateDeviceVariable (\r
  IN  CHAR16                    *VariableName,\r
  IN  EFI_DEVICE_PATH_PROTOCOL  *DevicePath,\r
  IN  CONPLATFORM_VAR_OPERATION Operation\r
  );\r
\r
/**\r
  Check if the device supports hot-plug through its device path.\r
\r
  This function could be updated to check more types of Hot Plug devices.\r
  Currently, it checks USB and PCCard device.\r
\r
  @param  DevicePath            Pointer to device's device path.\r
\r
  @retval TRUE                  The devcie is a hot-plug device\r
  @retval FALSE                 The devcie is not a hot-plug device.\r
\r
**/\r
BOOLEAN\r
IsHotPlugDevice (\r
  IN  EFI_DEVICE_PATH_PROTOCOL    *DevicePath\r
  );\r
\r
//\r
// EFI Component Name Functions\r
//\r
/**\r
  Retrieves a Unicode string that is the user readable name of the driver.\r
\r
  This function retrieves the user readable name of a driver in the form of a\r
  Unicode string. If the driver specified by This has a user readable name in\r
  the language specified by Language, then a pointer to the driver name is\r
  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
  by This does not support the language specified by Language,\r
  then EFI_UNSUPPORTED is returned.\r
\r
  @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
  @param  Language[in]          A pointer to a Null-terminated ASCII string\r
                                array indicating the language. This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified\r
                                in RFC 4646 or ISO 639-2 language code format.\r
  @param  DriverName[out]       A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                driver specified by This in the language\r
                                specified by Language.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the Driver specified by\r
                                This and the language specified by Language was\r
                                returned in DriverName.\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
  @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformComponentNameGetDriverName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,\r
  IN  CHAR8                        *Language,\r
  OUT CHAR16                       **DriverName\r
  );\r
\r
\r
/**\r
  Retrieves a Unicode string that is the user readable name of the controller\r
  that is being managed by a driver.\r
\r
  This function retrieves the user readable name of the controller specified by\r
  ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
  driver specified by This has a user readable name in the language specified by\r
  Language, then a pointer to the controller name is returned in ControllerName,\r
  and EFI_SUCCESS is returned.  If the driver specified by This is not currently\r
  managing the controller specified by ControllerHandle and ChildHandle,\r
  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not\r
  support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
\r
  @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
  @param  ControllerHandle[in]  The handle of a controller that the driver\r
                                specified by This is managing.  This handle\r
                                specifies the controller whose name is to be\r
                                returned.\r
  @param  ChildHandle[in]       The handle of the child controller to retrieve\r
                                the name of.  This is an optional parameter that\r
                                may be NULL.  It will be NULL for device\r
                                drivers.  It will also be NULL for a bus drivers\r
                                that wish to retrieve the name of the bus\r
                                controller.  It will not be NULL for a bus\r
                                driver that wishes to retrieve the name of a\r
                                child controller.\r
  @param  Language[in]          A pointer to a Null-terminated ASCII string\r
                                array indicating the language.  This is the\r
                                language of the driver name that the caller is\r
                                requesting, and it must match one of the\r
                                languages specified in SupportedLanguages. The\r
                                number of languages supported by a driver is up\r
                                to the driver writer. Language is specified in\r
                                RFC 4646 or ISO 639-2 language code format.\r
  @param  ControllerName[out]   A pointer to the Unicode string to return.\r
                                This Unicode string is the name of the\r
                                controller specified by ControllerHandle and\r
                                ChildHandle in the language specified by\r
                                Language from the point of view of the driver\r
                                specified by This.\r
\r
  @retval EFI_SUCCESS           The Unicode string for the user readable name in\r
                                the language specified by Language for the\r
                                driver specified by This was returned in\r
                                DriverName.\r
  @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
                                EFI_HANDLE.\r
  @retval EFI_INVALID_PARAMETER Language is NULL.\r
  @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
  @retval EFI_UNSUPPORTED       The driver specified by This is not currently\r
                                managing the controller specified by\r
                                ControllerHandle and ChildHandle.\r
  @retval EFI_UNSUPPORTED       The driver specified by This does not support\r
                                the language specified by Language.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
ConPlatformComponentNameGetControllerName (\r
  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,\r
  IN  EFI_HANDLE                                      ControllerHandle,\r
  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,\r
  IN  CHAR8                                           *Language,\r
  OUT CHAR16                                          **ControllerName\r
  );\r
\r
\r
#endif\r
Commit	Line	Data
	1	/** @file\r
	2	Header file for Console Platfrom DXE Driver.\r
	3	\r
	4	Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
	5	This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
	13	**/\r
	14	\r
	15	#ifndef _CON_PLATFORM_H_\r
	16	#define _CON_PLATFORM_H_\r
	17	\r
	18	#include <Uefi.h>\r
	19	\r
	20	#include <Protocol/SimpleTextOut.h>\r
	21	#include <Protocol/DevicePath.h>\r
	22	#include <Protocol/SimpleTextIn.h>\r
	23	\r
	24	#include <Guid/GlobalVariable.h>\r
	25	#include <Guid/ConsoleInDevice.h>\r
	26	#include <Guid/StandardErrorDevice.h>\r
	27	#include <Guid/ConsoleOutDevice.h>\r
	28	\r
	29	#include <Library/DebugLib.h>\r
	30	#include <Library/UefiDriverEntryPoint.h>\r
	31	#include <Library/UefiLib.h>\r
	32	#include <Library/BaseMemoryLib.h>\r
	33	#include <Library/UefiBootServicesTableLib.h>\r
	34	#include <Library/UefiRuntimeServicesTableLib.h>\r
	35	#include <Library/DevicePathLib.h>\r
	36	#include <Library/MemoryAllocationLib.h>\r
	37	\r
	38	//\r
	39	// Driver Binding Externs\r
	40	//\r
	41	extern EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextInDriverBinding;\r
	42	extern EFI_COMPONENT_NAME_PROTOCOL gConPlatformComponentName;\r
	43	extern EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2;\r
	44	extern EFI_DRIVER_BINDING_PROTOCOL gConPlatformTextOutDriverBinding;\r
	45	extern EFI_COMPONENT_NAME_PROTOCOL gConPlatformComponentName;\r
	46	extern EFI_COMPONENT_NAME2_PROTOCOL gConPlatformComponentName2;\r
	47	\r
	48	\r
	49	typedef enum {\r
	50	Check,\r
	51	Append,\r
	52	Delete\r
	53	} CONPLATFORM_VAR_OPERATION;\r
	54	\r
	55	/**\r
	56	Test to see if specific protocol could be supported on the ControllerHandle. \r
	57	\r
	58	@param This Protocol instance pointer.\r
	59	@param ControllerHandle Handle of device to test.\r
	60	@param ProtocolGuid The specfic protocol.\r
	61	\r
	62	@retval EFI_SUCCESS This driver supports this device\r
	63	@retval other This driver does not support this device\r
	64	\r
	65	**/\r
	66	EFI_STATUS\r
	67	ConPlatformDriverBindingSupported (\r
	68	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	69	IN EFI_HANDLE ControllerHandle,\r
	70	IN EFI_GUID *ProtocolGuid\r
	71	);\r
	72	\r
	73	/**\r
	74	Test to see if EFI_SIMPLE_TEXT_INPUT_PROTOCOL is supported on ControllerHandle. \r
	75	\r
	76	@param This Protocol instance pointer.\r
	77	@param ControllerHandle Handle of device to test.\r
	78	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	79	device to start.\r
	80	\r
	81	@retval EFI_SUCCESS This driver supports this device.\r
	82	@retval other This driver does not support this device.\r
	83	\r
	84	**/\r
	85	EFI_STATUS\r
	86	EFIAPI\r
	87	ConPlatformTextInDriverBindingSupported (\r
	88	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	89	IN EFI_HANDLE Handle,\r
	90	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
	91	);\r
	92	\r
	93	/**\r
	94	Test to see if EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL is supported on ControllerHandle. \r
	95	\r
	96	@param This Protocol instance pointer.\r
	97	@param ControllerHandle Handle of device to test.\r
	98	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	99	device to start.\r
	100	\r
	101	@retval EFI_SUCCESS This driver supports this device.\r
	102	@retval other This driver does not support this device.\r
	103	\r
	104	**/\r
	105	EFI_STATUS\r
	106	EFIAPI\r
	107	ConPlatformTextOutDriverBindingSupported (\r
	108	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	109	IN EFI_HANDLE Handle,\r
	110	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
	111	);\r
	112	\r
	113	/**\r
	114	Start this driver on the device for console input.\r
	115	\r
	116	Start this driver on ControllerHandle by opening Simple Text Input Protocol,\r
	117	reading Device Path, and installing Console In Devcice GUID on ControllerHandle.\r
	118	\r
	119	If this devcie is not one hot-plug devce, append its device path into the \r
	120	console environment variables ConInDev.\r
	121	\r
	122	@param This Protocol instance pointer.\r
	123	@param ControllerHandle Handle of device to bind driver to\r
	124	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	125	device to start.\r
	126	\r
	127	@retval EFI_SUCCESS This driver is added to ControllerHandle\r
	128	@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
	129	@retval other This driver does not support this device.\r
	130	\r
	131	**/\r
	132	EFI_STATUS\r
	133	EFIAPI\r
	134	ConPlatformTextInDriverBindingStart (\r
	135	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	136	IN EFI_HANDLE Handle,\r
	137	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	138	);\r
	139	\r
	140	/**\r
	141	Start this driver on the device for console output and stardard error output.\r
	142	\r
	143	Start this driver on ControllerHandle by opening Simple Text Output Protocol,\r
	144	reading Device Path, and installing Console Out Devcic GUID, Standard Error\r
	145	Device GUID on ControllerHandle.\r
	146	\r
	147	If this devcie is not one hot-plug devce, append its device path into the \r
	148	console environment variables ConOutDev, StdErrDev.\r
	149	\r
	150	@param This Protocol instance pointer.\r
	151	@param ControllerHandle Handle of device to bind driver to\r
	152	@param RemainingDevicePath Optional parameter use to pick a specific child\r
	153	device to start.\r
	154	\r
	155	@retval EFI_SUCCESS This driver is added to ControllerHandle\r
	156	@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r
	157	@retval other This driver does not support this device\r
	158	\r
	159	**/\r
	160	EFI_STATUS\r
	161	EFIAPI\r
	162	ConPlatformTextOutDriverBindingStart (\r
	163	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	164	IN EFI_HANDLE Handle,\r
	165	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	166	);\r
	167	\r
	168	/**\r
	169	Stop this driver on ControllerHandle by removing Console In Devcice GUID \r
	170	and closing the Simple Text Input protocol on ControllerHandle.\r
	171	\r
	172	@param This Protocol instance pointer.\r
	173	@param ControllerHandle Handle of device to stop driver on\r
	174	@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
	175	children is zero stop the entire bus driver.\r
	176	@param ChildHandleBuffer List of Child Handles to Stop.\r
	177	\r
	178	@retval EFI_SUCCESS This driver is removed ControllerHandle\r
	179	@retval other This driver was not removed from this device\r
	180	\r
	181	**/\r
	182	EFI_STATUS\r
	183	EFIAPI\r
	184	ConPlatformTextInDriverBindingStop (\r
	185	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	186	IN EFI_HANDLE Handle,\r
	187	IN UINTN NumberOfChildren,\r
	188	IN EFI_HANDLE *ChildHandleBuffer\r
	189	);\r
	190	\r
	191	/**\r
	192	Stop this driver on ControllerHandle by removing Console Out Devcice GUID \r
	193	and closing the Simple Text Output protocol on ControllerHandle.\r
	194	\r
	195	@param This Protocol instance pointer.\r
	196	@param ControllerHandle Handle of device to stop driver on\r
	197	@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
	198	children is zero stop the entire bus driver.\r
	199	@param ChildHandleBuffer List of Child Handles to Stop.\r
	200	\r
	201	@retval EFI_SUCCESS This driver is removed ControllerHandle\r
	202	@retval other This driver was not removed from this device\r
	203	\r
	204	**/\r
	205	EFI_STATUS\r
	206	EFIAPI\r
	207	ConPlatformTextOutDriverBindingStop (\r
	208	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	209	IN EFI_HANDLE Handle,\r
	210	IN UINTN NumberOfChildren,\r
	211	IN EFI_HANDLE *ChildHandleBuffer\r
	212	);\r
	213	\r
	214	/**\r
	215	Uninstall the specified protocol.\r
	216	\r
	217	@param This Protocol instance pointer.\r
	218	@param Handle Handle of device to uninstall protocol on.\r
	219	@param ProtocolGuid The specified protocol need to be uninstalled.\r
	220	\r
	221	**/\r
	222	VOID\r
	223	ConPlatformUnInstallProtocol (\r
	224	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	225	IN EFI_HANDLE Handle,\r
	226	IN EFI_GUID *ProtocolGuid\r
	227	);\r
	228	\r
	229	/**\r
	230	Read the EFI variable (Name) and return a dynamically allocated\r
	231	buffer, and the size of the buffer. On failure return NULL.\r
	232	\r
	233	@param Name String part of EFI variable name\r
	234	\r
	235	@return Dynamically allocated memory that contains a copy of the EFI variable.\r
	236	Caller is repsoncible freeing the buffer. Return NULL means Variable \r
	237	was not read.\r
	238	\r
	239	**/\r
	240	VOID *\r
	241	ConPlatformGetVariable (\r
	242	IN CHAR16 *Name\r
	243	);\r
	244	\r
	245	/**\r
	246	Function compares a device path data structure to that of all the nodes of a\r
	247	second device path instance.\r
	248	\r
	249	\r
	250	@param Multi A pointer to a multi-instance device path data structure.\r
	251	@param Single A pointer to a single-instance device path data structure.\r
	252	@param NewDevicePath If Delete is TRUE, this parameter must not be null, and it\r
	253	points to the remaining device path data structure.\r
	254	(remaining device path = Multi - Single.)\r
	255	@param Delete If TRUE, means removing Single from Multi.\r
	256	If FALSE, the routine just check whether Single matches\r
	257	with any instance in Multi.\r
	258	\r
	259	@retval EFI_SUCCESS If the Single is contained within Multi.\r
	260	@retval EFI_NOT_FOUND If the Single is not contained within Multi.\r
	261	@retval EFI_INVALID_PARAMETER Multi is NULL.\r
	262	@retval EFI_INVALID_PARAMETER Single is NULL.\r
	263	@retval EFI_INVALID_PARAMETER NewDevicePath is NULL when Delete is TRUE.\r
	264	\r
	265	**/\r
	266	EFI_STATUS\r
	267	ConPlatformMatchDevicePaths (\r
	268	IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r
	269	IN EFI_DEVICE_PATH_PROTOCOL *Single,\r
	270	OUT EFI_DEVICE_PATH_PROTOCOL **NewDevicePath OPTIONAL,\r
	271	IN BOOLEAN Delete\r
	272	);\r
	273	\r
	274	/**\r
	275	Update console environment variables.\r
	276	\r
	277	@param VariableName Console environment variables, ConOutDev, ConInDev\r
	278	StdErrDev, ConIn or ConOut.\r
	279	@param DevicePath Console devcie's device path.\r
	280	@param Operation Variable operations, including APPEND, CHECK and DELETE.\r
	281	\r
	282	@retval EFI_SUCCESS Variable operates successfully.\r
	283	@retval EFI_OUT_OF_RESOURCES If variable cannot be appended.\r
	284	@retval other Variable updating failed.\r
	285	\r
	286	**/\r
	287	EFI_STATUS\r
	288	ConPlatformUpdateDeviceVariable (\r
	289	IN CHAR16 *VariableName,\r
	290	IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
	291	IN CONPLATFORM_VAR_OPERATION Operation\r
	292	);\r
	293	\r
	294	/**\r
	295	Check if the device supports hot-plug through its device path.\r
	296	\r
	297	This function could be updated to check more types of Hot Plug devices.\r
	298	Currently, it checks USB and PCCard device.\r
	299	\r
	300	@param DevicePath Pointer to device's device path.\r
	301	\r
	302	@retval TRUE The devcie is a hot-plug device\r
	303	@retval FALSE The devcie is not a hot-plug device.\r
	304	\r
	305	**/\r
	306	BOOLEAN\r
	307	IsHotPlugDevice (\r
	308	IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
	309	);\r
	310	\r
	311	//\r
	312	// EFI Component Name Functions\r
	313	//\r
	314	/**\r
	315	Retrieves a Unicode string that is the user readable name of the driver.\r
	316	\r
	317	This function retrieves the user readable name of a driver in the form of a\r
	318	Unicode string. If the driver specified by This has a user readable name in\r
	319	the language specified by Language, then a pointer to the driver name is\r
	320	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
	321	by This does not support the language specified by Language,\r
	322	then EFI_UNSUPPORTED is returned.\r
	323	\r
	324	@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	325	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	326	@param Language[in] A pointer to a Null-terminated ASCII string\r
	327	array indicating the language. This is the\r
	328	language of the driver name that the caller is\r
	329	requesting, and it must match one of the\r
	330	languages specified in SupportedLanguages. The\r
	331	number of languages supported by a driver is up\r
	332	to the driver writer. Language is specified\r
	333	in RFC 4646 or ISO 639-2 language code format.\r
	334	@param DriverName[out] A pointer to the Unicode string to return.\r
	335	This Unicode string is the name of the\r
	336	driver specified by This in the language\r
	337	specified by Language.\r
	338	\r
	339	@retval EFI_SUCCESS The Unicode string for the Driver specified by\r
	340	This and the language specified by Language was\r
	341	returned in DriverName.\r
	342	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	343	@retval EFI_INVALID_PARAMETER DriverName is NULL.\r
	344	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	345	the language specified by Language.\r
	346	\r
	347	**/\r
	348	EFI_STATUS\r
	349	EFIAPI\r
	350	ConPlatformComponentNameGetDriverName (\r
	351	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	352	IN CHAR8 *Language,\r
	353	OUT CHAR16 **DriverName\r
	354	);\r
	355	\r
	356	\r
	357	/**\r
	358	Retrieves a Unicode string that is the user readable name of the controller\r
	359	that is being managed by a driver.\r
	360	\r
	361	This function retrieves the user readable name of the controller specified by\r
	362	ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
	363	driver specified by This has a user readable name in the language specified by\r
	364	Language, then a pointer to the controller name is returned in ControllerName,\r
	365	and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
	366	managing the controller specified by ControllerHandle and ChildHandle,\r
	367	then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
	368	support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
	369	\r
	370	@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	371	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	372	@param ControllerHandle[in] The handle of a controller that the driver\r
	373	specified by This is managing. This handle\r
	374	specifies the controller whose name is to be\r
	375	returned.\r
	376	@param ChildHandle[in] The handle of the child controller to retrieve\r
	377	the name of. This is an optional parameter that\r
	378	may be NULL. It will be NULL for device\r
	379	drivers. It will also be NULL for a bus drivers\r
	380	that wish to retrieve the name of the bus\r
	381	controller. It will not be NULL for a bus\r
	382	driver that wishes to retrieve the name of a\r
	383	child controller.\r
	384	@param Language[in] A pointer to a Null-terminated ASCII string\r
	385	array indicating the language. This is the\r
	386	language of the driver name that the caller is\r
	387	requesting, and it must match one of the\r
	388	languages specified in SupportedLanguages. The\r
	389	number of languages supported by a driver is up\r
	390	to the driver writer. Language is specified in\r
	391	RFC 4646 or ISO 639-2 language code format.\r
	392	@param ControllerName[out] A pointer to the Unicode string to return.\r
	393	This Unicode string is the name of the\r
	394	controller specified by ControllerHandle and\r
	395	ChildHandle in the language specified by\r
	396	Language from the point of view of the driver\r
	397	specified by This.\r
	398	\r
	399	@retval EFI_SUCCESS The Unicode string for the user readable name in\r
	400	the language specified by Language for the\r
	401	driver specified by This was returned in\r
	402	DriverName.\r
	403	@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
	404	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
	405	EFI_HANDLE.\r
	406	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	407	@retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
	408	@retval EFI_UNSUPPORTED The driver specified by This is not currently\r
	409	managing the controller specified by\r
	410	ControllerHandle and ChildHandle.\r
	411	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	412	the language specified by Language.\r
	413	\r
	414	**/\r
	415	EFI_STATUS\r
	416	EFIAPI\r
	417	ConPlatformComponentNameGetControllerName (\r
	418	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	419	IN EFI_HANDLE ControllerHandle,\r
	420	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	421	IN CHAR8 *Language,\r
	422	OUT CHAR16 **ControllerName\r
	423	);\r
	424	\r
	425	\r
	426	#endif\r