/** @file\r
\r
-Copyright (c) 2006 - 2015, 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
of the BSD License which accompanies this distribution. The\r
);\r
\r
/**\r
- Initializes the Usb Bot. \r
- \r
+ Initializes the Usb Bot.\r
+\r
@param FileHandle Handle of the file being invoked.\r
@param PeiServices Describes the list of possible PEI Services.\r
\r
}\r
\r
/**\r
- UsbIo installation notification function. \r
- \r
+ UsbIo installation notification function.\r
+\r
This function finds out all the current USB IO PPIs in the system and add them\r
into private data.\r
\r
/**\r
Gets the count of block I/O devices that one specific block driver detects.\r
\r
- This function is used for getting the count of block I/O devices that one \r
+ This function is used for getting the count of block I/O devices that one\r
specific block driver detects. To the PEI ATAPI driver, it returns the number\r
- of all the detected ATAPI devices it detects during the enumeration process. \r
- To the PEI legacy floppy driver, it returns the number of all the legacy \r
- devices it finds during its enumeration process. If no device is detected, \r
- then the function will return zero. \r
- \r
- @param[in] PeiServices General-purpose services that are available \r
+ of all the detected ATAPI devices it detects during the enumeration process.\r
+ To the PEI legacy floppy driver, it returns the number of all the legacy\r
+ devices it finds during its enumeration process. If no device is detected,\r
+ then the function will return zero.\r
+\r
+ @param[in] PeiServices General-purpose services that are available\r
to every PEIM.\r
- @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI \r
+ @param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI\r
instance.\r
@param[out] NumberBlockDevices The number of block I/O devices discovered.\r
\r
/**\r
Gets a block device's media information.\r
\r
- This function will provide the caller with the specified block device's media \r
- information. If the media changes, calling this function will update the media \r
+ This function will provide the caller with the specified block device's media\r
+ information. If the media changes, calling this function will update the media\r
information accordingly.\r
\r
@param[in] PeiServices General-purpose services that are available to every\r
PEIM\r
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.\r
- @param[in] DeviceIndex Specifies the block device to which the function wants \r
- to talk. Because the driver that implements Block I/O \r
- PPIs will manage multiple block devices, the PPIs that \r
- want to talk to a single device must specify the \r
+ @param[in] DeviceIndex Specifies the block device to which the function wants\r
+ to talk. Because the driver that implements Block I/O\r
+ PPIs will manage multiple block devices, the PPIs that\r
+ want to talk to a single device must specify the\r
device index that was assigned during the enumeration\r
- process. This index is a number from one to \r
+ process. This index is a number from one to\r
NumberBlockDevices.\r
- @param[out] MediaInfo The media information of the specified block media. \r
- The caller is responsible for the ownership of this \r
+ @param[out] MediaInfo The media information of the specified block media.\r
+ The caller is responsible for the ownership of this\r
data structure.\r
- \r
- @retval EFI_SUCCESS Media information about the specified block device \r
+\r
+ @retval EFI_SUCCESS Media information about the specified block device\r
was obtained successfully.\r
- @retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware \r
+ @retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware\r
error.\r
\r
**/\r
/**\r
Reads the requested number of blocks from the specified block device.\r
\r
- The function reads the requested number of blocks from the device. All the \r
+ The function reads the requested number of blocks from the device. All the\r
blocks are read, or an error is returned. If there is no media in the device,\r
the function returns EFI_NO_MEDIA.\r
\r
- @param[in] PeiServices General-purpose services that are available to \r
+ @param[in] PeiServices General-purpose services that are available to\r
every PEIM.\r
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.\r
- @param[in] DeviceIndex Specifies the block device to which the function wants \r
- to talk. Because the driver that implements Block I/O \r
- PPIs will manage multiple block devices, the PPIs that \r
- want to talk to a single device must specify the device \r
- index that was assigned during the enumeration process. \r
+ @param[in] DeviceIndex Specifies the block device to which the function wants\r
+ to talk. Because the driver that implements Block I/O\r
+ PPIs will manage multiple block devices, the PPIs that\r
+ want to talk to a single device must specify the device\r
+ index that was assigned during the enumeration process.\r
This index is a number from one to NumberBlockDevices.\r
@param[in] StartLBA The starting logical block address (LBA) to read from\r
on the device\r
@param[in] BufferSize The size of the Buffer in bytes. This number must be\r
a multiple of the intrinsic block size of the device.\r
@param[out] Buffer A pointer to the destination buffer for the data.\r
- The caller is responsible for the ownership of the \r
+ The caller is responsible for the ownership of the\r
buffer.\r
- \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 \r
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting\r
to perform the read operation.\r
- @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not \r
+ @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not\r
valid, or the buffer is not properly aligned.\r
@retval EFI_NO_MEDIA There is no media in the device.\r
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of\r
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