[mirror_edk2.git] / MdeModulePkg / Include / Ppi / Usb2HostController.h

/** @file\r
  Defines the USB Host Controller PPI that provides I/O services for a USB Host \r
  Controller that may be used to access recovery devices.  These interfaces are \r
  modeled on the UEFI 2.3 specification EFI_USB2_HOST_CONTROLLER_PROTOCOL.\r
  Refer to section 16.1 of the UEFI 2.3 Specification for more information on \r
  these interfaces.\r
 \r
Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved. <BR>\r
\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions\r
of the BSD License which accompanies this distribution.  The\r
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 _PEI_USB2_HOST_CONTROLLER_PPI_H_\r
#define _PEI_USB2_HOST_CONTROLLER_PPI_H_\r
\r
#include <Protocol/Usb2HostController.h>\r
\r
///\r
/// Global ID for the PEI_USB2_HOST_CONTROLLER_PPI.\r
///\r
#define PEI_USB2_HOST_CONTROLLER_PPI_GUID \\r
  { \\r
    0xa7d09fe1, 0x74d4, 0x4ba5, { 0x84, 0x7c, 0x12, 0xed, 0x5b, 0x19, 0xad, 0xe4 } \\r
  }\r
\r
///\r
/// Forward declaration for the PEI_USB2_HOST_CONTROLLER_PPI.\r
///\r
typedef struct _PEI_USB2_HOST_CONTROLLER_PPI PEI_USB2_HOST_CONTROLLER_PPI;\r
\r
/**\r
  Initiate a USB control transfer using a specific USB Host controller on the USB bus. \r
\r
  @param[in]     PeiServices           The pointer to the PEI Services Table.\r
  @param[in]     This                  The pointer to this instance of the \r
                                       PEI_USB2_HOST_CONTROLLER_PPI.\r
  @param[in]     DeviceAddress         Represents the address of the target device \r
                                       on the USB.\r
  @param[in]     DeviceSpeed           Indicates device speed.\r
  @param[in]     MaximumPacketLength   Indicates the maximum packet size that the \r
                                       default control transfer\r
                                       endpoint is capable of sending or receiving.\r
  @param[in]     Request               A pointer to the USB device request that \r
                                       will be sent to the USB device.\r
  @param[in]     TransferDirection     Specifies the data direction for the transfer. \r
                                       There are three values available: \r
                                       EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.\r
  @param[in,out] Data                  A pointer to the buffer of data that will \r
                                       be transmitted to USB device or\r
                                       received from USB device.\r
  @param[in,out] DataLength            On input, indicates the size, in bytes, of \r
                                       the data buffer specified by Data.\r
                                       On output, indicates the amount of data \r
                                       actually transferred.\r
  @param[in]     TimeOut               Indicates the maximum time, in milliseconds, \r
                                       that the transfer is allowed to complete.\r
                                       If Timeout is 0, then the caller must wait for\r
                                       the function to be completed until EFI_SUCCESS\r
                                       or EFI_DEVICE_ERROR is returned.\r
  @param[in]     Translator            A pointer to the transaction translator data.\r
  @param[out]    TransferResult        A pointer to the detailed result information \r
                                       generated by this control transfer.\r
\r
  @retval EFI_SUCCESS           The control transfer was completed successfully.\r
  @retval EFI_DEVICE_ERROR      The control transfer failed due to host controller \r
                                or device error.\r
  @retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
  @retval EFI_OUT_OF_RESOURCES  The control transfer could not be completed due to a lack of resources.\r
  @retval EFI_TIMEOUT           The control transfer failed due to timeout.\r
  \r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *PEI_USB2_HOST_CONTROLLER_CONTROL_TRANSFER)(\r
  IN EFI_PEI_SERVICES                         **PeiServices,\r
  IN PEI_USB2_HOST_CONTROLLER_PPI             *This,\r
  IN     UINT8                                DeviceAddress,\r
  IN     UINT8                                DeviceSpeed,\r
  IN     UINTN                                MaximumPacketLength,\r
  IN     USB_DEVICE_REQUEST                   *Request,\r
  IN     EFI_USB_DATA_DIRECTION               TransferDirection,\r
  IN OUT VOID                                 *Data OPTIONAL,\r
  IN OUT UINTN                                *DataLength OPTIONAL,\r
  IN     UINTN                                TimeOut,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR   *Translator,\r
  OUT    UINT32                               *TransferResult\r
  );\r
\r
/**\r
  Initiate a USB bulk transfer using a specific USB Host controller on the USB bus. \r
\r
  @param[in]     PeiServices           The pointer to the PEI Services Table.\r
  @param[in]     This                  The pointer to this instance of the \r
                                       PEI_USB2_HOST_CONTROLLER_PPI.\r
  @param[in]     DeviceAddress         Represents the address of the target device \r
                                       on the USB.\r
  @param[in]     EndPointAddress       The combination of an endpoint number and \r
                                       an endpoint direction of the target USB device.\r
  @param[in]     DeviceSpeed           Indicates device speed.\r
  @param[in]     MaximumPacketLength   Indicates the maximum packet size the target \r
                                       endpoint is capable of sending or receiving.\r
  @param[in,out] Data                  Array of pointers to the buffers of data \r
                                       that will be transmitted to USB device or \r
                                       received from USB device.\r
  @param[in,out] DataLength            When input, indicates the size, in bytes, of  \r
                                       the data buffers specified by Data. When output,\r
                                       indicates the data size actually transferred.\r
  @param[in,out] DataToggle            A pointer to the data toggle value.\r
  @param[in]     TimeOut               Indicates the maximum time, in milliseconds,\r
                                       in which the transfer is allowed to complete.\r
                                       If Timeout is 0, then the caller must wait for\r
                                       the function to be completed until EFI_SUCCESS\r
                                       or EFI_DEVICE_ERROR is returned.\r
  @param[in]     Translator            A pointer to the transaction translator data.\r
  @param[out]    TransferResult        A pointer to the detailed result information \r
                                       of the bulk transfer.\r
\r
  @retval EFI_SUCCESS           The bulk transfer was completed successfully.\r
  @retval EFI_DEVICE_ERROR      The bulk transfer failed due to host controller or device error.\r
                                Caller should check TransferResult for detailed error information.\r
  @retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
  @retval EFI_OUT_OF_RESOURCES  The bulk transfer could not be submitted due to a lack of resources.\r
  @retval EFI_TIMEOUT           The bulk transfer failed due to timeout.  \r
  \r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *PEI_USB2_HOST_CONTROLLER_BULK_TRANSFER)(\r
  IN     EFI_PEI_SERVICES                    **PeiServices,\r
  IN     PEI_USB2_HOST_CONTROLLER_PPI        *This,\r
  IN     UINT8                               DeviceAddress,\r
  IN     UINT8                               EndPointAddress,\r
  IN     UINT8                               DeviceSpeed,  \r
  IN     UINTN                               MaximumPacketLength,\r
  IN OUT VOID                                *Data[EFI_USB_MAX_BULK_BUFFER_NUM],\r
  IN OUT UINTN                               *DataLength,\r
  IN OUT UINT8                               *DataToggle,\r
  IN     UINTN                               TimeOut,\r
  IN     EFI_USB2_HC_TRANSACTION_TRANSLATOR  *Translator,\r
  OUT    UINT32                              *TransferResult\r
  );\r
\r
/**\r
  Retrieves the number of root hub ports.\r
\r
  @param[in]  PeiServices       The pointer to the PEI Services Table.\r
  @param[in]  This              The pointer to this instance of the \r
                                PEI_USB2_HOST_CONTROLLER_PPI.\r
  @param[out] PortNumber        The pointer to the number of the root hub ports.                                \r
                                \r
  @retval EFI_SUCCESS           The port number was retrieved successfully.\r
  @retval EFI_INVALID_PARAMETER PortNumber is NULL.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER)(\r
  IN  EFI_PEI_SERVICES              **PeiServices,\r
  IN  PEI_USB2_HOST_CONTROLLER_PPI  *This,\r
  OUT UINT8                         *PortNumber\r
  );\r
\r
/**\r
  Retrieves the current status of a USB root hub port.\r
\r
  @param[in]  PeiServices       The pointer to the PEI Services Table.\r
  @param[in]  This              The pointer to this instance of the \r
                                PEI_USB2_HOST_CONTROLLER_PPI.\r
  @param[in]  PortNumber        Specifies the root hub port from which the status is \r
                                to be retrieved.\r
                                This value is zero based.\r
  @param[out] PortStatus        A pointer to the current port status bits and port \r
                                status change bits.\r
  \r
  @retval EFI_SUCCESS           The status of the USB root hub port specified by \r
                                PortNumber was returned in PortStatus.\r
  @retval EFI_INVALID_PARAMETER PortNumber is invalid.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS)(\r
  IN  EFI_PEI_SERVICES              **PeiServices,\r
  IN  PEI_USB2_HOST_CONTROLLER_PPI  *This,\r
  IN  UINT8                         PortNumber,\r
  OUT EFI_USB_PORT_STATUS           *PortStatus\r
  );\r
\r
/**\r
  Sets a feature for the specified root hub port.\r
\r
  @param[in] PeiServices        The pointer to the PEI Services Table.\r
  @param[in] This               The pointer to this instance of the \r
                                PEI_USB2_HOST_CONTROLLER_PPI.\r
  @param[in] PortNumber         Specifies the root hub port whose feature is requested \r
                                to be set. This value is zero based.\r
  @param[in] PortFeature        Indicates the feature selector associated with the feature \r
                                set request.\r
  \r
  @retval EFI_SUCCESS           The feature specified by PortFeature was set for \r
                                the USB root hub port specified by PortNumber.\r
  @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid \r
                                for this function.\r
  @retval EFI_TIMEOUT           The time out occurred                                \r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *PEI_USB2_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE)(\r
  IN EFI_PEI_SERVICES               **PeiServices,\r
  IN PEI_USB2_HOST_CONTROLLER_PPI   *This,\r
  IN UINT8                          PortNumber,\r
  IN EFI_USB_PORT_FEATURE           PortFeature\r
  );\r
\r
/**\r
  Clears a feature for the specified root hub port.\r
\r
  @param[in] PeiServices          The pointer to the PEI Services Table.\r
  @param[in] This                 The pointer to this instance of the \r
                                  PEI_USB2_HOST_CONTROLLER_PPI.\r
  @param[in] PortNumber           Specifies the root hub port whose feature is\r
                                  requested to be cleared.\r
  @param[in] PortFeature          Indicates the feature selector associated with the\r
                                  feature clear request.\r
\r
  @return EFI_SUCCESS             The feature specified by PortFeature was cleared\r
                                  for the USB root hub port specified by PortNumber.\r
  @return EFI_INVALID_PARAMETER   PortNumber is invalid or PortFeature is invalid.\r
\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *PEI_USB2_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE)(\r
  IN EFI_PEI_SERVICES               **PeiServices,\r
  IN PEI_USB2_HOST_CONTROLLER_PPI   *This,\r
  IN UINT8                          PortNumber,\r
  IN EFI_USB_PORT_FEATURE           PortFeature\r
  );\r
\r
///\r
/// This PPI contains a set of services to interact with the USB host controller.\r
/// These interfaces are modeled on the UEFI 2.3 specification protocol\r
/// EFI_USB2_HOST_CONTROLLER_PROTOCOL.  Refer to section 16.1 of the UEFI 2.3 \r
/// Specification for more information on these interfaces.\r
///\r
struct _PEI_USB2_HOST_CONTROLLER_PPI {\r
  PEI_USB2_HOST_CONTROLLER_CONTROL_TRANSFER            ControlTransfer;\r
  PEI_USB2_HOST_CONTROLLER_BULK_TRANSFER               BulkTransfer;\r
  PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER     GetRootHubPortNumber;\r
  PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS     GetRootHubPortStatus;\r
  PEI_USB2_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE    SetRootHubPortFeature;\r
  PEI_USB2_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE  ClearRootHubPortFeature;\r
};\r
\r
extern EFI_GUID gPeiUsb2HostControllerPpiGuid;\r
\r
#endif\r
\r
Commit	Line	Data
4b1bf81c	1	/** @file\r
	2	Defines the USB Host Controller PPI that provides I/O services for a USB Host \r
	3	Controller that may be used to access recovery devices. These interfaces are \r
	4	modeled on the UEFI 2.3 specification EFI_USB2_HOST_CONTROLLER_PROTOCOL.\r
	5	Refer to section 16.1 of the UEFI 2.3 Specification for more information on \r
	6	these interfaces.\r
	7	\r
ca243131	8	Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved. <BR>\r
4b1bf81c	9	\r
	10	This program and the accompanying materials\r
	11	are licensed and made available under the terms and conditions\r
	12	of the BSD License which accompanies this distribution. The\r
	13	full text of the license may be found at\r
	14	http://opensource.org/licenses/bsd-license.php\r
	15	\r
	16	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	17	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	18	\r
	19	**/\r
	20	\r
	21	#ifndef _PEI_USB2_HOST_CONTROLLER_PPI_H_\r
	22	#define _PEI_USB2_HOST_CONTROLLER_PPI_H_\r
	23	\r
	24	#include <Protocol/Usb2HostController.h>\r
	25	\r
	26	///\r
	27	/// Global ID for the PEI_USB2_HOST_CONTROLLER_PPI.\r
	28	///\r
	29	#define PEI_USB2_HOST_CONTROLLER_PPI_GUID \\r
	30	{ \\r
	31	0xa7d09fe1, 0x74d4, 0x4ba5, { 0x84, 0x7c, 0x12, 0xed, 0x5b, 0x19, 0xad, 0xe4 } \\r
	32	}\r
	33	\r
	34	///\r
	35	/// Forward declaration for the PEI_USB2_HOST_CONTROLLER_PPI.\r
	36	///\r
	37	typedef struct _PEI_USB2_HOST_CONTROLLER_PPI PEI_USB2_HOST_CONTROLLER_PPI;\r
	38	\r
	39	/**\r
	40	Initiate a USB control transfer using a specific USB Host controller on the USB bus. \r
	41	\r
	42	@param[in] PeiServices The pointer to the PEI Services Table.\r
	43	@param[in] This The pointer to this instance of the \r
	44	PEI_USB2_HOST_CONTROLLER_PPI.\r
	45	@param[in] DeviceAddress Represents the address of the target device \r
	46	on the USB.\r
	47	@param[in] DeviceSpeed Indicates device speed.\r
	48	@param[in] MaximumPacketLength Indicates the maximum packet size that the \r
	49	default control transfer\r
	50	endpoint is capable of sending or receiving.\r
	51	@param[in] Request A pointer to the USB device request that \r
	52	will be sent to the USB device.\r
	53	@param[in] TransferDirection Specifies the data direction for the transfer. \r
	54	There are three values available: \r
	55	EfiUsbDataIn, EfiUsbDataOut and EfiUsbNoData.\r
	56	@param[in,out] Data A pointer to the buffer of data that will \r
	57	be transmitted to USB device or\r
	58	received from USB device.\r
	59	@param[in,out] DataLength On input, indicates the size, in bytes, of \r
	60	the data buffer specified by Data.\r
	61	On output, indicates the amount of data \r
	62	actually transferred.\r
	63	@param[in] TimeOut Indicates the maximum time, in milliseconds, \r
	64	that the transfer is allowed to complete.\r
ca243131 FT	65	If Timeout is 0, then the caller must wait for\r
	66	the function to be completed until EFI_SUCCESS\r
	67	or EFI_DEVICE_ERROR is returned.\r
4b1bf81c	68	@param[in] Translator A pointer to the transaction translator data.\r
	69	@param[out] TransferResult A pointer to the detailed result information \r
	70	generated by this control transfer.\r
	71	\r
	72	@retval EFI_SUCCESS The control transfer was completed successfully.\r
	73	@retval EFI_DEVICE_ERROR The control transfer failed due to host controller \r
	74	or device error.\r
	75	@retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
	76	@retval EFI_OUT_OF_RESOURCES The control transfer could not be completed due to a lack of resources.\r
	77	@retval EFI_TIMEOUT The control transfer failed due to timeout.\r
	78	\r
	79	\r
	80	**/\r
	81	typedef\r
	82	EFI_STATUS\r
	83	(EFIAPI *PEI_USB2_HOST_CONTROLLER_CONTROL_TRANSFER)(\r
	84	IN EFI_PEI_SERVICES **PeiServices,\r
	85	IN PEI_USB2_HOST_CONTROLLER_PPI *This,\r
	86	IN UINT8 DeviceAddress,\r
	87	IN UINT8 DeviceSpeed,\r
	88	IN UINTN MaximumPacketLength,\r
	89	IN USB_DEVICE_REQUEST *Request,\r
	90	IN EFI_USB_DATA_DIRECTION TransferDirection,\r
	91	IN OUT VOID *Data OPTIONAL,\r
	92	IN OUT UINTN *DataLength OPTIONAL,\r
	93	IN UINTN TimeOut,\r
	94	IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r
	95	OUT UINT32 *TransferResult\r
	96	);\r
	97	\r
	98	/**\r
	99	Initiate a USB bulk transfer using a specific USB Host controller on the USB bus. \r
	100	\r
	101	@param[in] PeiServices The pointer to the PEI Services Table.\r
	102	@param[in] This The pointer to this instance of the \r
	103	PEI_USB2_HOST_CONTROLLER_PPI.\r
	104	@param[in] DeviceAddress Represents the address of the target device \r
	105	on the USB.\r
	106	@param[in] EndPointAddress The combination of an endpoint number and \r
	107	an endpoint direction of the target USB device.\r
	108	@param[in] DeviceSpeed Indicates device speed.\r
	109	@param[in] MaximumPacketLength Indicates the maximum packet size the target \r
	110	endpoint is capable of sending or receiving.\r
	111	@param[in,out] Data Array of pointers to the buffers of data \r
	112	that will be transmitted to USB device or \r
	113	received from USB device.\r
	114	@param[in,out] DataLength When input, indicates the size, in bytes, of \r
	115	the data buffers specified by Data. When output,\r
	116	indicates the data size actually transferred.\r
	117	@param[in,out] DataToggle A pointer to the data toggle value.\r
	118	@param[in] TimeOut Indicates the maximum time, in milliseconds,\r
	119	in which the transfer is allowed to complete.\r
ca243131 FT	120	If Timeout is 0, then the caller must wait for\r
	121	the function to be completed until EFI_SUCCESS\r
	122	or EFI_DEVICE_ERROR is returned.\r
4b1bf81c	123	@param[in] Translator A pointer to the transaction translator data.\r
	124	@param[out] TransferResult A pointer to the detailed result information \r
	125	of the bulk transfer.\r
	126	\r
	127	@retval EFI_SUCCESS The bulk transfer was completed successfully.\r
	128	@retval EFI_DEVICE_ERROR The bulk transfer failed due to host controller or device error.\r
	129	Caller should check TransferResult for detailed error information.\r
	130	@retval EFI_INVALID_PARAMETER Some parameters are invalid.\r
	131	@retval EFI_OUT_OF_RESOURCES The bulk transfer could not be submitted due to a lack of resources.\r
	132	@retval EFI_TIMEOUT The bulk transfer failed due to timeout. \r
	133	\r
	134	\r
	135	**/\r
	136	typedef\r
	137	EFI_STATUS\r
	138	(EFIAPI *PEI_USB2_HOST_CONTROLLER_BULK_TRANSFER)(\r
	139	IN EFI_PEI_SERVICES **PeiServices,\r
	140	IN PEI_USB2_HOST_CONTROLLER_PPI *This,\r
	141	IN UINT8 DeviceAddress,\r
	142	IN UINT8 EndPointAddress,\r
	143	IN UINT8 DeviceSpeed, \r
	144	IN UINTN MaximumPacketLength,\r
	145	IN OUT VOID *Data[EFI_USB_MAX_BULK_BUFFER_NUM],\r
	146	IN OUT UINTN *DataLength,\r
	147	IN OUT UINT8 *DataToggle,\r
	148	IN UINTN TimeOut,\r
	149	IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,\r
	150	OUT UINT32 *TransferResult\r
	151	);\r
	152	\r
	153	/**\r
	154	Retrieves the number of root hub ports.\r
	155	\r
	156	@param[in] PeiServices The pointer to the PEI Services Table.\r
	157	@param[in] This The pointer to this instance of the \r
	158	PEI_USB2_HOST_CONTROLLER_PPI.\r
	159	@param[out] PortNumber The pointer to the number of the root hub ports. \r
	160	\r
	161	@retval EFI_SUCCESS The port number was retrieved successfully.\r
	162	@retval EFI_INVALID_PARAMETER PortNumber is NULL.\r
	163	\r
	164	**/\r
	165	typedef\r
	166	EFI_STATUS\r
	167	(EFIAPI *PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER)(\r
	168	IN EFI_PEI_SERVICES **PeiServices,\r
	169	IN PEI_USB2_HOST_CONTROLLER_PPI *This,\r
	170	OUT UINT8 *PortNumber\r
	171	);\r
	172	\r
	173	/**\r
	174	Retrieves the current status of a USB root hub port.\r
	175	\r
	176	@param[in] PeiServices The pointer to the PEI Services Table.\r
	177	@param[in] This The pointer to this instance of the \r
	178	PEI_USB2_HOST_CONTROLLER_PPI.\r
	179	@param[in] PortNumber Specifies the root hub port from which the status is \r
	180	to be retrieved.\r
	181	This value is zero based.\r
	182	@param[out] PortStatus A pointer to the current port status bits and port \r
	183	status change bits.\r
	184	\r
	185	@retval EFI_SUCCESS The status of the USB root hub port specified by \r
	186	PortNumber was returned in PortStatus.\r
187	@retval EFI_INVALID_PARAMETER PortNumber is invalid.\r
188	\r
189	**/\r
190	typedef\r
191	EFI_STATUS\r
192	(EFIAPI *PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS)(\r
193	IN EFI_PEI_SERVICES **PeiServices,\r
194	IN PEI_USB2_HOST_CONTROLLER_PPI *This,\r
195	IN UINT8 PortNumber,\r
196	OUT EFI_USB_PORT_STATUS *PortStatus\r
197	);\r
198	\r
199	/**\r
200	Sets a feature for the specified root hub port.\r
201	\r
202	@param[in] PeiServices The pointer to the PEI Services Table.\r
203	@param[in] This The pointer to this instance of the \r
204	PEI_USB2_HOST_CONTROLLER_PPI.\r
205	@param[in] PortNumber Specifies the root hub port whose feature is requested \r
206	to be set. This value is zero based.\r
207	@param[in] PortFeature Indicates the feature selector associated with the feature \r
208	set request.\r
209	\r
210	@retval EFI_SUCCESS The feature specified by PortFeature was set for \r
211	the USB root hub port specified by PortNumber.\r
212	@retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid \r
213	for this function.\r
214	@retval EFI_TIMEOUT The time out occurred \r
215	\r
216	**/\r
217	typedef\r
218	EFI_STATUS\r
219	(EFIAPI *PEI_USB2_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE)(\r
220	IN EFI_PEI_SERVICES **PeiServices,\r
221	IN PEI_USB2_HOST_CONTROLLER_PPI *This,\r
222	IN UINT8 PortNumber,\r
223	IN EFI_USB_PORT_FEATURE PortFeature\r
224	);\r
225	\r
226	/**\r
227	Clears a feature for the specified root hub port.\r
228	\r
229	@param[in] PeiServices The pointer to the PEI Services Table.\r
230	@param[in] This The pointer to this instance of the \r
231	PEI_USB2_HOST_CONTROLLER_PPI.\r
232	@param[in] PortNumber Specifies the root hub port whose feature is\r
233	requested to be cleared.\r
234	@param[in] PortFeature Indicates the feature selector associated with the\r
235	feature clear request.\r
236	\r
237	@return EFI_SUCCESS The feature specified by PortFeature was cleared\r
238	for the USB root hub port specified by PortNumber.\r
239	@return EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.\r
240	\r
241	**/\r
242	typedef\r
243	EFI_STATUS\r
244	(EFIAPI *PEI_USB2_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE)(\r
245	IN EFI_PEI_SERVICES **PeiServices,\r
246	IN PEI_USB2_HOST_CONTROLLER_PPI *This,\r
247	IN UINT8 PortNumber,\r
248	IN EFI_USB_PORT_FEATURE PortFeature\r
249	);\r
250	\r
251	///\r
252	/// This PPI contains a set of services to interact with the USB host controller.\r
253	/// These interfaces are modeled on the UEFI 2.3 specification protocol\r
254	/// EFI_USB2_HOST_CONTROLLER_PROTOCOL. Refer to section 16.1 of the UEFI 2.3 \r
255	/// Specification for more information on these interfaces.\r
256	///\r
257	struct _PEI_USB2_HOST_CONTROLLER_PPI {\r
258	PEI_USB2_HOST_CONTROLLER_CONTROL_TRANSFER ControlTransfer;\r
259	PEI_USB2_HOST_CONTROLLER_BULK_TRANSFER BulkTransfer;\r
260	PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_NUMBER GetRootHubPortNumber;\r
261	PEI_USB2_HOST_CONTROLLER_GET_ROOTHUB_PORT_STATUS GetRootHubPortStatus;\r
262	PEI_USB2_HOST_CONTROLLER_SET_ROOTHUB_PORT_FEATURE SetRootHubPortFeature;\r
263	PEI_USB2_HOST_CONTROLLER_CLEAR_ROOTHUB_PORT_FEATURE ClearRootHubPortFeature;\r
264	};\r
265	\r
266	extern EFI_GUID gPeiUsb2HostControllerPpiGuid;\r
267	\r
268	#endif\r
269	\r