/** @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
+ 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
+ Refer to section 16.1 of the UEFI 2.3 Specification for more information on\r
these interfaces.\r
- \r
-Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+\r
+Copyright (c) 2006 - 2018, 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
typedef struct _PEI_USB_HOST_CONTROLLER_PPI PEI_USB_HOST_CONTROLLER_PPI;\r
\r
/**\r
- Initiate a USB control transfer using a specific USB Host controller on the USB bus. \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
+ @param[in] This The pointer to this instance of the\r
PEI_USB_HOST_CONTROLLER_PPI.\r
- @param[in] DeviceAddress Represents the address of the target device \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
+ @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
+ @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
+ @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
+ @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
+ @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
+ 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
+ @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[out] TransferResult A pointer to the detailed result information \r
+ @param[out] TransferResult A pointer to the detailed result information\r
generated by this control transfer.\r
\r
- @retval EFI_DEVICE_ERROR The control transfer failed due to host controller \r
+ @retval EFI_DEVICE_ERROR The control transfer failed due to host controller\r
or device error.\r
@retval EFI_SUCCESS The control transfer was completed successfully.\r
\r
);\r
\r
/**\r
- Initiate a USB bulk transfer using a specific USB Host controller on the USB bus. \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
+ @param[in] This The pointer to this instance of the\r
PEI_USB_HOST_CONTROLLER_PPI.\r
- @param[in] DeviceAddress Represents the address of the target device \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
+ @param[in] EndPointAddress The combination of an endpoint number and\r
an endpoint direction of the target USB device.\r
- @param[in] MaximumPacketLength Indicates the maximum packet size the target \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
+ @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
+ @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
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[out] TransferResult A pointer to the detailed result information \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
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
+ @param[in] This The pointer to this instance of the\r
PEI_USB_HOST_CONTROLLER_PPI.\r
- @param[out] PortNumber The pointer to the number of the root hub ports. \r
- \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_DEVICE_ERROR An error was encountered while attempting to retrieve \r
+ @retval EFI_DEVICE_ERROR An error was encountered while attempting to retrieve\r
the port number.\r
@retval EFI_INVALID_PARAMETER PortNumber is NULL.\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
+ @param[in] This The pointer to this instance of the\r
PEI_USB_HOST_CONTROLLER_PPI.\r
- @param[in] PortNumber Specifies the root hub port from which the status is \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
+ @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
+\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
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
+ @param[in] This The pointer to this instance of the\r
PEI_USB_HOST_CONTROLLER_PPI.\r
- @param[in] PortNumber Specifies the root hub port whose feature is requested \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
+ @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
+\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
+ @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid\r
for this function.\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
+ @param[in] This The pointer to this instance of the\r
PEI_USB_HOST_CONTROLLER_PPI.\r
@param[in] PortNumber Specifies the root hub port whose feature is\r
requested to be cleared.\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
+/// 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_USB_HOST_CONTROLLER_PPI {\r
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