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253 lines
10 KiB
C
253 lines
10 KiB
C
/** @file
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Header file for SdDxe Driver.
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This file defines common data structures, macro definitions and some module
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internal function header files.
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Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _SD_BLOCK_IO_H_
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#define _SD_BLOCK_IO_H_
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/**
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Reset the Block Device.
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@param This Indicates a pointer to the calling context.
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@param ExtendedVerification Driver may perform diagnostics on reset.
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@retval EFI_SUCCESS The device was reset.
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@retval EFI_DEVICE_ERROR The device is not functioning properly and could
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not be reset.
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**/
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EFI_STATUS
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EFIAPI
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SdReset (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Read BufferSize bytes from Lba into Buffer.
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@param This Indicates a pointer to the calling context.
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@param MediaId Id of the media, changes every time the media is replaced.
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@param Lba The starting Logical Block Address to read from
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@param BufferSize Size of Buffer, must be a multiple of device block size.
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@param Buffer A pointer to the destination buffer for the data. The caller is
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responsible for either having implicit or explicit ownership of the buffer.
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@retval EFI_SUCCESS The data was read correctly from the device.
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@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
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@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
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@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
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or the buffer is not on proper alignment.
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**/
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EFI_STATUS
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EFIAPI
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SdReadBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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/**
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Write BufferSize bytes from Lba into Buffer.
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@param This Indicates a pointer to the calling context.
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@param MediaId The media ID that the write request is for.
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@param Lba The starting logical block address to be written. The caller is
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responsible for writing to only legitimate locations.
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@param BufferSize Size of Buffer, must be a multiple of device block size.
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@param Buffer A pointer to the source buffer for the data.
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@retval EFI_SUCCESS The data was written correctly to the device.
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@retval EFI_WRITE_PROTECTED The device can not be written to.
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@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
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@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
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@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
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or the buffer is not on proper alignment.
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**/
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EFI_STATUS
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EFIAPI
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SdWriteBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN UINTN BufferSize,
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IN VOID *Buffer
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);
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/**
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Flush the Block Device.
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@param This Indicates a pointer to the calling context.
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@retval EFI_SUCCESS All outstanding data was written to the device
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@retval EFI_DEVICE_ERROR The device reported an error while writing back the data
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@retval EFI_NO_MEDIA There is no media in the device.
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**/
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EFI_STATUS
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EFIAPI
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SdFlushBlocks (
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IN EFI_BLOCK_IO_PROTOCOL *This
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);
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/**
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Reset the Block Device.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] ExtendedVerification Driver may perform diagnostics on reset.
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@retval EFI_SUCCESS The device was reset.
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@retval EFI_DEVICE_ERROR The device is not functioning properly and could
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not be reset.
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**/
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EFI_STATUS
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EFIAPI
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SdResetEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Read BufferSize bytes from Lba into Buffer.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] MediaId Id of the media, changes every time the media is replaced.
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@param[in] Lba The starting Logical Block Address to read from.
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@param[in, out] Token A pointer to the token associated with the transaction.
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@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
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@param[out] Buffer A pointer to the destination buffer for the data. The caller is
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responsible for either having implicit or explicit ownership of the buffer.
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@retval EFI_SUCCESS The read request was queued if Event is not NULL.
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The data was read correctly from the device if
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the Event is NULL.
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@retval EFI_DEVICE_ERROR The device reported an error while performing
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the read.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
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@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the
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intrinsic block size of the device.
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@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
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or the buffer is not on proper alignment.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack
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of resources.
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**/
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EFI_STATUS
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EFIAPI
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SdReadBlocksEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN OUT EFI_BLOCK_IO2_TOKEN *Token,
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IN UINTN BufferSize,
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OUT VOID *Buffer
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);
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/**
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Write BufferSize bytes from Lba into Buffer.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] MediaId The media ID that the write request is for.
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@param[in] Lba The starting logical block address to be written. The
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caller is responsible for writing to only legitimate
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locations.
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@param[in, out] Token A pointer to the token associated with the transaction.
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@param[in] BufferSize Size of Buffer, must be a multiple of device block size.
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@param[in] Buffer A pointer to the source buffer for the data.
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@retval EFI_SUCCESS The data was written correctly to the device.
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@retval EFI_WRITE_PROTECTED The device can not be written to.
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@retval EFI_DEVICE_ERROR The device reported an error while performing the write.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
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@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
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@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
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or the buffer is not on proper alignment.
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**/
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EFI_STATUS
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EFIAPI
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SdWriteBlocksEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN OUT EFI_BLOCK_IO2_TOKEN *Token,
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IN UINTN BufferSize,
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IN VOID *Buffer
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);
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/**
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Flush the Block Device.
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@param[in] This Indicates a pointer to the calling context.
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@param[in, out] Token A pointer to the token associated with the transaction.
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@retval EFI_SUCCESS All outstanding data was written to the device
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@retval EFI_DEVICE_ERROR The device reported an error while writing back the data
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@retval EFI_NO_MEDIA There is no media in the device.
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**/
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EFI_STATUS
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EFIAPI
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SdFlushBlocksEx (
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IN EFI_BLOCK_IO2_PROTOCOL *This,
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IN OUT EFI_BLOCK_IO2_TOKEN *Token
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);
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/**
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Erase a specified number of device blocks.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] MediaId The media ID that the erase request is for.
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@param[in] Lba The starting logical block address to be
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erased. The caller is responsible for erasing
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only legitimate locations.
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@param[in, out] Token A pointer to the token associated with the
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transaction.
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@param[in] Size The size in bytes to be erased. This must be
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a multiple of the physical block size of the
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device.
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@retval EFI_SUCCESS The erase request was queued if Event is not
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NULL. The data was erased correctly to the
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device if the Event is NULL.to the device.
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@retval EFI_WRITE_PROTECTED The device cannot be erased due to write
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protection.
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@retval EFI_DEVICE_ERROR The device reported an error while attempting
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to perform the erase operation.
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@retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not
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valid.
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@retval EFI_NO_MEDIA There is no media in the device.
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@retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
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**/
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EFI_STATUS
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EFIAPI
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SdEraseBlocks (
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IN EFI_ERASE_BLOCK_PROTOCOL *This,
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IN UINT32 MediaId,
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IN EFI_LBA Lba,
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IN OUT EFI_ERASE_BLOCK_TOKEN *Token,
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IN UINTN Size
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);
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#endif
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