[mirror_edk2.git] / MdeModulePkg / Bus / Usb / UsbMassStorageDxe / UsbMassImpl.h

/** @file\r
  Definitions of functions for Driver Binding Protocol and Block I/O Protocol,\r
  and other internal definitions.\r
\r
Copyright (c) 2007 - 2011, 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 _EFI_USBMASS_IMPL_H_\r
#define _EFI_USBMASS_IMPL_H_\r
\r
#define  USB_MASS_SIGNATURE    SIGNATURE_32 ('U', 's', 'b', 'M')\r
\r
#define USB_MASS_DEVICE_FROM_BLOCK_IO(a) \\r
        CR (a, USB_MASS_DEVICE, BlockIo, USB_MASS_SIGNATURE)\r
\r
#define USB_MASS_DEVICE_FROM_DISK_INFO(a) \\r
        CR (a, USB_MASS_DEVICE, DiskInfo, USB_MASS_SIGNATURE)\r
\r
\r
extern EFI_COMPONENT_NAME_PROTOCOL   gUsbMassStorageComponentName;\r
extern EFI_COMPONENT_NAME2_PROTOCOL  gUsbMassStorageComponentName2;\r
\r
//\r
// Functions for Driver Binding Protocol\r
//\r
\r
/**\r
  Check whether the controller is a supported USB mass storage.\r
\r
  @param  This                   The USB mass storage driver binding protocol.\r
  @param  Controller             The controller handle to check.\r
  @param  RemainingDevicePath    The remaining device path.\r
\r
  @retval EFI_SUCCESS            The driver supports this controller.\r
  @retval other                  This device isn't supported.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
USBMassDriverBindingSupported (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath\r
  );\r
\r
/**\r
  Starts the USB mass storage device with this driver.\r
\r
  This function consumes USB I/O Portocol, intializes USB mass storage device,\r
  installs Block I/O Protocol, and submits Asynchronous Interrupt\r
  Transfer to manage the USB mass storage device.\r
\r
  @param  This                  The USB mass storage driver binding protocol.\r
  @param  Controller            The USB mass storage device to start on\r
  @param  RemainingDevicePath   The remaining device path.\r
\r
  @retval EFI_SUCCESS           This driver supports this device.\r
  @retval EFI_UNSUPPORTED       This driver does not support this device.\r
  @retval EFI_DEVICE_ERROR      This driver cannot be started due to device Error.\r
  @retval EFI_OUT_OF_RESOURCES  Can't allocate memory resources.\r
  @retval EFI_ALREADY_STARTED   This driver has been started.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
USBMassDriverBindingStart (\r
  IN EFI_DRIVER_BINDING_PROTOCOL  *This,\r
  IN EFI_HANDLE                   Controller,\r
  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath\r
  );\r
\r
/**\r
  Stop controlling the device.\r
\r
  @param  This                   The USB mass storage driver binding\r
  @param  Controller             The device controller controlled by the driver.\r
  @param  NumberOfChildren       The number of children of this device\r
  @param  ChildHandleBuffer      The buffer of children handle.\r
\r
  @retval EFI_SUCCESS            The driver stopped from controlling the device.\r
  @retval EFI_DEVICE_ERROR       The device could not be stopped due to a device error.\r
  @retval EFI_UNSUPPORTED        Block I/O Protocol is not installed on Controller.\r
  @retval Others                 Failed to stop the driver\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
USBMassDriverBindingStop (\r
  IN  EFI_DRIVER_BINDING_PROTOCOL *This,\r
  IN  EFI_HANDLE                  Controller,\r
  IN  UINTN                       NumberOfChildren,\r
  IN  EFI_HANDLE                  *ChildHandleBuffer\r
  );\r
\r
//\r
// Functions for Block I/O Protocol\r
//\r
\r
/**\r
  Reset the block device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.Reset(). \r
  It resets the block device hardware.\r
  ExtendedVerification is ignored in this implementation.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
  @param  ExtendedVerification   Indicates that the driver may perform a more exhaustive\r
                                 verification operation of the device during reset.\r
\r
  @retval EFI_SUCCESS            The block device was reset.\r
  @retval EFI_DEVICE_ERROR       The block device is not functioning correctly and could not be reset.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMassReset (\r
  IN EFI_BLOCK_IO_PROTOCOL    *This,\r
  IN BOOLEAN                  ExtendedVerification\r
  );\r
\r
/**\r
  Reads the requested number of blocks from the device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks(). \r
  It reads the requested number of blocks from the device.\r
  All the blocks are read, or an error is returned.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
  @param  MediaId                The media ID that the read request is for.\r
  @param  Lba                    The starting logical block address to read from on the device.\r
  @param  BufferSize             The size of the Buffer in bytes.\r
                                 This must be a multiple of the intrinsic block size of the device.\r
  @param  Buffer                 A pointer to the destination buffer for the data. The caller is\r
                                 responsible for either having implicit or explicit ownership of the buffer.\r
\r
  @retval EFI_SUCCESS            The data was read correctly from the device.\r
  @retval EFI_DEVICE_ERROR       The device reported an error while attempting to perform the read operation.\r
  @retval EFI_NO_MEDIA           There is no media in the device.\r
  @retval EFI_MEDIA_CHANGED      The MediaId is not for the current media.\r
  @retval EFI_BAD_BUFFER_SIZE    The BufferSize parameter is not a multiple of the intrinsic block size of the device.\r
  @retval EFI_INVALID_PARAMETER  The read request contains LBAs that are not valid,\r
                                 or the buffer is not on proper alignment.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMassReadBlocks (\r
  IN EFI_BLOCK_IO_PROTOCOL    *This,\r
  IN UINT32                   MediaId,\r
  IN EFI_LBA                  Lba,\r
  IN UINTN                    BufferSize,\r
  OUT VOID                    *Buffer\r
  );\r
\r
/**\r
  Writes a specified number of blocks to the device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks(). \r
  It writes a specified number of blocks to the device.\r
  All blocks are written, or an error is returned.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
  @param  MediaId                The media ID that the write request is for.\r
  @param  Lba                    The starting logical block address to be written.\r
  @param  BufferSize             The size of the Buffer in bytes.\r
                                 This must be a multiple of the intrinsic block size of the device.\r
  @param  Buffer                 Pointer to the source buffer for the data.\r
\r
  @retval EFI_SUCCESS            The data were written correctly to the device.\r
  @retval EFI_WRITE_PROTECTED    The device cannot be written to.\r
  @retval EFI_NO_MEDIA           There is no media in the device.\r
  @retval EFI_MEDIA_CHANGED      The MediaId is not for the current media.\r
  @retval EFI_DEVICE_ERROR       The device reported an error while attempting to perform the write operation.\r
  @retval EFI_BAD_BUFFER_SIZE    The BufferSize parameter is not a multiple of the intrinsic\r
                                 block size of the device.\r
  @retval EFI_INVALID_PARAMETER  The write request contains LBAs that are not valid,\r
                                 or the buffer is not on proper alignment.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMassWriteBlocks (\r
  IN EFI_BLOCK_IO_PROTOCOL    *This,\r
  IN UINT32                   MediaId,\r
  IN EFI_LBA                  Lba,\r
  IN UINTN                    BufferSize,\r
  IN VOID                     *Buffer\r
  );\r
\r
/**\r
  Flushes all modified data to a physical block device.\r
\r
  This function implements EFI_BLOCK_IO_PROTOCOL.FlushBlocks().\r
  USB mass storage device doesn't support write cache,\r
  so return EFI_SUCCESS directly.\r
\r
  @param  This                   Indicates a pointer to the calling context.\r
\r
  @retval EFI_SUCCESS            All outstanding data were written correctly to the device.\r
  @retval EFI_DEVICE_ERROR       The device reported an error while attempting to write data.\r
  @retval EFI_NO_MEDIA           There is no media in the device.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
UsbMassFlushBlocks (\r
  IN EFI_BLOCK_IO_PROTOCOL  *This\r
  );\r
\r
//\r
// EFI Component Name Functions\r
//\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                  A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
  @param  Language              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            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
UsbMassStorageGetDriverName (\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                  A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
                                EFI_COMPONENT_NAME_PROTOCOL instance.\r
  @param  ControllerHandle      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           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              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        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 NULL.\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
UsbMassStorageGetControllerName (\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
#endif\r
Commit	Line	Data
e237e7ae	1	/** @file\r
3e03cb4d	2	Definitions of functions for Driver Binding Protocol and Block I/O Protocol,\r
3e03cb4d	3	and other internal definitions.\r
cc5166ff	4	\r
39840c50	5	Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>\r
cd5ebaa0	6	This program and the accompanying materials\r
e237e7ae	7	are licensed and made available under the terms and conditions of the BSD License\r
	8	which accompanies this distribution. The full text of the license may be found at\r
	9	http://opensource.org/licenses/bsd-license.php\r
	10	\r
	11	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	12	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	13	\r
e237e7ae	14	**/\r
	15	\r
	16	#ifndef _EFI_USBMASS_IMPL_H_\r
	17	#define _EFI_USBMASS_IMPL_H_\r
	18	\r
f3f2e05d	19	#define USB_MASS_SIGNATURE SIGNATURE_32 ('U', 's', 'b', 'M')\r
cc5166ff	20	\r
d80ed2a7	21	#define USB_MASS_DEVICE_FROM_BLOCK_IO(a) \\r
e237e7ae	22	CR (a, USB_MASS_DEVICE, BlockIo, USB_MASS_SIGNATURE)\r
e237e7ae	23	\r
39840c50	24	#define USB_MASS_DEVICE_FROM_DISK_INFO(a) \\r
	25	CR (a, USB_MASS_DEVICE, DiskInfo, USB_MASS_SIGNATURE)\r
	26	\r
	27	\r
62b9bb55	28	extern EFI_COMPONENT_NAME_PROTOCOL gUsbMassStorageComponentName;\r
62b9bb55	29	extern EFI_COMPONENT_NAME2_PROTOCOL gUsbMassStorageComponentName2;\r
e237e7ae	30	\r
d80ed2a7	31	//\r
	32	// Functions for Driver Binding Protocol\r
	33	//\r
	34	\r
	35	/**\r
	36	Check whether the controller is a supported USB mass storage.\r
	37	\r
	38	@param This The USB mass storage driver binding protocol.\r
	39	@param Controller The controller handle to check.\r
	40	@param RemainingDevicePath The remaining device path.\r
	41	\r
	42	@retval EFI_SUCCESS The driver supports this controller.\r
	43	@retval other This device isn't supported.\r
	44	\r
	45	**/\r
	46	EFI_STATUS\r
	47	EFIAPI\r
	48	USBMassDriverBindingSupported (\r
	49	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	50	IN EFI_HANDLE Controller,\r
	51	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	52	);\r
	53	\r
	54	/**\r
	55	Starts the USB mass storage device with this driver.\r
	56	\r
	57	This function consumes USB I/O Portocol, intializes USB mass storage device,\r
	58	installs Block I/O Protocol, and submits Asynchronous Interrupt\r
	59	Transfer to manage the USB mass storage device.\r
	60	\r
3e03cb4d	61	@param This The USB mass storage driver binding protocol.\r
	62	@param Controller The USB mass storage device to start on\r
	63	@param RemainingDevicePath The remaining device path.\r
d80ed2a7	64	\r
	65	@retval EFI_SUCCESS This driver supports this device.\r
	66	@retval EFI_UNSUPPORTED This driver does not support this device.\r
	67	@retval EFI_DEVICE_ERROR This driver cannot be started due to device Error.\r
	68	@retval EFI_OUT_OF_RESOURCES Can't allocate memory resources.\r
	69	@retval EFI_ALREADY_STARTED This driver has been started.\r
	70	\r
	71	**/\r
	72	EFI_STATUS\r
	73	EFIAPI\r
	74	USBMassDriverBindingStart (\r
	75	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	76	IN EFI_HANDLE Controller,\r
	77	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
	78	);\r
	79	\r
	80	/**\r
	81	Stop controlling the device.\r
	82	\r
	83	@param This The USB mass storage driver binding\r
	84	@param Controller The device controller controlled by the driver.\r
	85	@param NumberOfChildren The number of children of this device\r
	86	@param ChildHandleBuffer The buffer of children handle.\r
	87	\r
	88	@retval EFI_SUCCESS The driver stopped from controlling the device.\r
3e03cb4d	89	@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.\r
3e03cb4d	90	@retval EFI_UNSUPPORTED Block I/O Protocol is not installed on Controller.\r
d80ed2a7	91	@retval Others Failed to stop the driver\r
	92	\r
	93	**/\r
	94	EFI_STATUS\r
	95	EFIAPI\r
	96	USBMassDriverBindingStop (\r
	97	IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
	98	IN EFI_HANDLE Controller,\r
	99	IN UINTN NumberOfChildren,\r
	100	IN EFI_HANDLE *ChildHandleBuffer\r
	101	);\r
	102	\r
	103	//\r
	104	// Functions for Block I/O Protocol\r
	105	//\r
	106	\r
	107	/**\r
	108	Reset the block device.\r
	109	\r
	110	This function implements EFI_BLOCK_IO_PROTOCOL.Reset(). \r
	111	It resets the block device hardware.\r
	112	ExtendedVerification is ignored in this implementation.\r
	113	\r
	114	@param This Indicates a pointer to the calling context.\r
	115	@param ExtendedVerification Indicates that the driver may perform a more exhaustive\r
	116	verification operation of the device during reset.\r
	117	\r
	118	@retval EFI_SUCCESS The block device was reset.\r
	119	@retval EFI_DEVICE_ERROR The block device is not functioning correctly and could not be reset.\r
	120	\r
	121	**/\r
	122	EFI_STATUS\r
	123	EFIAPI\r
	124	UsbMassReset (\r
	125	IN EFI_BLOCK_IO_PROTOCOL *This,\r
	126	IN BOOLEAN ExtendedVerification\r
	127	);\r
	128	\r
	129	/**\r
	130	Reads the requested number of blocks from the device.\r
	131	\r
	132	This function implements EFI_BLOCK_IO_PROTOCOL.ReadBlocks(). \r
	133	It reads the requested number of blocks from the device.\r
	134	All the blocks are read, or an error is returned.\r
	135	\r
	136	@param This Indicates a pointer to the calling context.\r
	137	@param MediaId The media ID that the read request is for.\r
	138	@param Lba The starting logical block address to read from on the device.\r
	139	@param BufferSize The size of the Buffer in bytes.\r
	140	This must be a multiple of the intrinsic block size of the device.\r
	141	@param Buffer A pointer to the destination buffer for the data. The caller is\r
	142	responsible for either having implicit or explicit ownership of the buffer.\r
	143	\r
	144	@retval EFI_SUCCESS The data was read correctly from the device.\r
	145	@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the read operation.\r
	146	@retval EFI_NO_MEDIA There is no media in the device.\r
	147	@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r
	148	@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic block size of the device.\r
	149	@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,\r
	150	or the buffer is not on proper alignment.\r
	151	\r
	152	**/\r
	153	EFI_STATUS\r
	154	EFIAPI\r
155	UsbMassReadBlocks (\r
156	IN EFI_BLOCK_IO_PROTOCOL *This,\r
157	IN UINT32 MediaId,\r
158	IN EFI_LBA Lba,\r
159	IN UINTN BufferSize,\r
160	OUT VOID *Buffer\r
161	);\r
162	\r
163	/**\r
164	Writes a specified number of blocks to the device.\r
165	\r
166	This function implements EFI_BLOCK_IO_PROTOCOL.WriteBlocks(). \r
167	It writes a specified number of blocks to the device.\r
168	All blocks are written, or an error is returned.\r
169	\r
170	@param This Indicates a pointer to the calling context.\r
171	@param MediaId The media ID that the write request is for.\r
172	@param Lba The starting logical block address to be written.\r
173	@param BufferSize The size of the Buffer in bytes.\r
174	This must be a multiple of the intrinsic block size of the device.\r
175	@param Buffer Pointer to the source buffer for the data.\r
176	\r
177	@retval EFI_SUCCESS The data were written correctly to the device.\r
178	@retval EFI_WRITE_PROTECTED The device cannot be written to.\r
179	@retval EFI_NO_MEDIA There is no media in the device.\r
180	@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r
181	@retval EFI_DEVICE_ERROR The device reported an error while attempting to perform the write operation.\r
182	@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the intrinsic\r
183	block size of the device.\r
184	@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,\r
185	or the buffer is not on proper alignment.\r
186	\r
187	**/\r
188	EFI_STATUS\r
189	EFIAPI\r
190	UsbMassWriteBlocks (\r
191	IN EFI_BLOCK_IO_PROTOCOL *This,\r
192	IN UINT32 MediaId,\r
193	IN EFI_LBA Lba,\r
194	IN UINTN BufferSize,\r
195	IN VOID *Buffer\r
196	);\r
197	\r
198	/**\r
199	Flushes all modified data to a physical block device.\r
200	\r
201	This function implements EFI_BLOCK_IO_PROTOCOL.FlushBlocks().\r
202	USB mass storage device doesn't support write cache,\r
203	so return EFI_SUCCESS directly.\r
204	\r
205	@param This Indicates a pointer to the calling context.\r
206	\r
207	@retval EFI_SUCCESS All outstanding data were written correctly to the device.\r
208	@retval EFI_DEVICE_ERROR The device reported an error while attempting to write data.\r
209	@retval EFI_NO_MEDIA There is no media in the device.\r
210	\r
211	**/\r
212	EFI_STATUS\r
213	EFIAPI\r
214	UsbMassFlushBlocks (\r
215	IN EFI_BLOCK_IO_PROTOCOL *This\r
216	);\r
217	\r
3e03cb4d	218	//\r
	219	// EFI Component Name Functions\r
	220	//\r
	221	\r
	222	/**\r
	223	Retrieves a Unicode string that is the user readable name of the driver.\r
	224	\r
	225	This function retrieves the user readable name of a driver in the form of a\r
	226	Unicode string. If the driver specified by This has a user readable name in\r
	227	the language specified by Language, then a pointer to the driver name is\r
	228	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
	229	by This does not support the language specified by Language,\r
	230	then EFI_UNSUPPORTED is returned.\r
	231	\r
	232	@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	233	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	234	@param Language A pointer to a Null-terminated ASCII string\r
	235	array indicating the language. This is the\r
	236	language of the driver name that the caller is\r
	237	requesting, and it must match one of the\r
	238	languages specified in SupportedLanguages. The\r
	239	number of languages supported by a driver is up\r
	240	to the driver writer. Language is specified\r
0254efc0	241	in RFC 4646 or ISO 639-2 language code format.\r
3e03cb4d	242	@param DriverName A pointer to the Unicode string to return.\r
	243	This Unicode string is the name of the\r
	244	driver specified by This in the language\r
	245	specified by Language.\r
	246	\r
	247	@retval EFI_SUCCESS The Unicode string for the Driver specified by\r
	248	This and the language specified by Language was\r
	249	returned in DriverName.\r
	250	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	251	@retval EFI_INVALID_PARAMETER DriverName is NULL.\r
	252	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	253	the language specified by Language.\r
	254	\r
	255	**/\r
	256	EFI_STATUS\r
	257	EFIAPI\r
	258	UsbMassStorageGetDriverName (\r
	259	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	260	IN CHAR8 *Language,\r
	261	OUT CHAR16 **DriverName\r
	262	);\r
	263	\r
	264	\r
	265	/**\r
	266	Retrieves a Unicode string that is the user readable name of the controller\r
	267	that is being managed by a driver.\r
	268	\r
	269	This function retrieves the user readable name of the controller specified by\r
	270	ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
	271	driver specified by This has a user readable name in the language specified by\r
	272	Language, then a pointer to the controller name is returned in ControllerName,\r
	273	and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
	274	managing the controller specified by ControllerHandle and ChildHandle,\r
	275	then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
	276	support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
	277	\r
	278	@param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
	279	EFI_COMPONENT_NAME_PROTOCOL instance.\r
	280	@param ControllerHandle The handle of a controller that the driver\r
	281	specified by This is managing. This handle\r
	282	specifies the controller whose name is to be\r
	283	returned.\r
	284	@param ChildHandle The handle of the child controller to retrieve\r
	285	the name of. This is an optional parameter that\r
	286	may be NULL. It will be NULL for device\r
	287	drivers. It will also be NULL for a bus drivers\r
	288	that wish to retrieve the name of the bus\r
	289	controller. It will not be NULL for a bus\r
	290	driver that wishes to retrieve the name of a\r
	291	child controller.\r
	292	@param Language A pointer to a Null-terminated ASCII string\r
	293	array indicating the language. This is the\r
	294	language of the driver name that the caller is\r
	295	requesting, and it must match one of the\r
	296	languages specified in SupportedLanguages. The\r
	297	number of languages supported by a driver is up\r
	298	to the driver writer. Language is specified in\r
0254efc0	299	RFC 4646 or ISO 639-2 language code format.\r
3e03cb4d	300	@param ControllerName A pointer to the Unicode string to return.\r
	301	This Unicode string is the name of the\r
	302	controller specified by ControllerHandle and\r
	303	ChildHandle in the language specified by\r
	304	Language from the point of view of the driver\r
	305	specified by This.\r
	306	\r
	307	@retval EFI_SUCCESS The Unicode string for the user readable name in\r
	308	the language specified by Language for the\r
	309	driver specified by This was returned in\r
	310	DriverName.\r
284ee2e8	311	@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
3e03cb4d	312	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
	313	EFI_HANDLE.\r
	314	@retval EFI_INVALID_PARAMETER Language is NULL.\r
	315	@retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
	316	@retval EFI_UNSUPPORTED The driver specified by This is not currently\r
	317	managing the controller specified by\r
	318	ControllerHandle and ChildHandle.\r
	319	@retval EFI_UNSUPPORTED The driver specified by This does not support\r
	320	the language specified by Language.\r
	321	\r
	322	**/\r
	323	EFI_STATUS\r
	324	EFIAPI\r
	325	UsbMassStorageGetControllerName (\r
	326	IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
	327	IN EFI_HANDLE ControllerHandle,\r
	328	IN EFI_HANDLE ChildHandle OPTIONAL,\r
	329	IN CHAR8 *Language,\r
	330	OUT CHAR16 **ControllerName\r
	331	);\r
d80ed2a7	332	\r
e237e7ae	333	#endif\r