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412 lines
20 KiB
C
412 lines
20 KiB
C
/** @file
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Header file for EFI_BLOCK_IO_PROTOCOL interface.
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Copyright (c) 2013 - 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 _EFI_NVME_BLOCKIO_H_
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#define _EFI_NVME_BLOCKIO_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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NvmeBlockIoReset (
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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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NvmeBlockIoReadBlocks (
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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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NvmeBlockIoWriteBlocks (
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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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NvmeBlockIoFlushBlocks (
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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 hardware.
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@param[in] This Indicates a pointer to the calling context.
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@param[in] ExtendedVerification Indicates that the driver may perform a more
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exhausive verfication operation of the
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device during 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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NvmeBlockIoResetEx (
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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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This function reads the requested number of blocks from the device. All the
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blocks are read, or an error is returned.
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If EFI_DEVICE_ERROR, EFI_NO_MEDIA,_or EFI_MEDIA_CHANGED is returned and
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non-blocking I/O is being used, the Event associated with this request will
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not be signaled.
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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
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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
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transaction.
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@param[in] BufferSize Size of Buffer, must be a multiple of device
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block size.
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@param[out] Buffer A pointer to the destination buffer for the data.
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The caller is responsible for either having
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implicit or explicit ownership of the buffer.
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@retval EFI_SUCCESS The read request was queued if Token->Event is
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not NULL.The data was read correctly from the
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device if the Token->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
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the intrinsic block size of the device.
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@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
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valid, or the buffer is not on proper
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alignment.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
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lack of resources.
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**/
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EFI_STATUS
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EFIAPI
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NvmeBlockIoReadBlocksEx (
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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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This function writes the requested number of blocks to the device. All blocks
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are written, or an error is returned.If EFI_DEVICE_ERROR, EFI_NO_MEDIA,
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EFI_WRITE_PROTECTED or EFI_MEDIA_CHANGED is returned and non-blocking I/O is
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being used, the Event associated with this request will not be signaled.
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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.
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The caller is responsible for writing to only
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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] BufferSize Size of Buffer, must be a multiple of device
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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 write request was queued if Event is not
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NULL.
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The data was written correctly to the device if
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the Event is NULL.
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@retval EFI_WRITE_PROTECTED The device can not be written to.
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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
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device.
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@retval EFI_DEVICE_ERROR The device reported an error while performing
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the write.
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@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size
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of the device.
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@retval EFI_INVALID_PARAMETER The write request contains LBAs that are not
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valid, or the buffer is not on proper
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alignment.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
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lack of resources.
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**/
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EFI_STATUS
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EFIAPI
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NvmeBlockIoWriteBlocksEx (
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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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If EFI_DEVICE_ERROR, EFI_NO_MEDIA,_EFI_WRITE_PROTECTED or EFI_MEDIA_CHANGED
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is returned and non-blocking I/O is being used, the Event associated with
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this request will not be signaled.
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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
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transaction.
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@retval EFI_SUCCESS The flush request was queued if Event is not
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NULL.
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All outstanding data was written correctly to
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the device if the Event is NULL.
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@retval EFI_DEVICE_ERROR The device reported an error while writting back
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the data.
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@retval EFI_WRITE_PROTECTED The device cannot be written to.
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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_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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NvmeBlockIoFlushBlocksEx (
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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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Send a security protocol command to a device that receives data and/or the result
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of one or more commands sent by SendData.
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The ReceiveData function sends a security protocol command to the given MediaId.
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The security protocol command sent is defined by SecurityProtocolId and contains
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the security protocol specific data SecurityProtocolSpecificData. The function
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returns the data from the security protocol command in PayloadBuffer.
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For devices supporting the SCSI command set, the security protocol command is sent
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using the SECURITY PROTOCOL IN command defined in SPC-4.
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For devices supporting the ATA command set, the security protocol command is sent
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using one of the TRUSTED RECEIVE commands defined in ATA8-ACS if PayloadBufferSize
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is non-zero.
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If the PayloadBufferSize is zero, the security protocol command is sent using the
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Trusted Non-Data command defined in ATA8-ACS.
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If PayloadBufferSize is too small to store the available data from the security
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protocol command, the function shall copy PayloadBufferSize bytes into the
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PayloadBuffer and return EFI_WARN_BUFFER_TOO_SMALL.
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If PayloadBuffer or PayloadTransferSize is NULL and PayloadBufferSize is non-zero,
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the function shall return EFI_INVALID_PARAMETER.
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If the given MediaId does not support security protocol commands, the function shall
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return EFI_UNSUPPORTED. If there is no media in the device, the function returns
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EFI_NO_MEDIA. If the MediaId is not the ID for the current media in the device,
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the function returns EFI_MEDIA_CHANGED.
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If the security protocol fails to complete within the Timeout period, the function
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shall return EFI_TIMEOUT.
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If the security protocol command completes without an error, the function shall
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return EFI_SUCCESS. If the security protocol command completes with an error, the
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function shall return EFI_DEVICE_ERROR.
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@param This Indicates a pointer to the calling context.
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@param MediaId ID of the medium to receive data from.
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@param Timeout The timeout, in 100ns units, to use for the execution
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of the security protocol command. A Timeout value of 0
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means that this function will wait indefinitely for the
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security protocol command to execute. If Timeout is greater
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than zero, then this function will return EFI_TIMEOUT
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if the time required to execute the receive data command
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is greater than Timeout.
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@param SecurityProtocolId The value of the "Security Protocol" parameter of
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the security protocol command to be sent.
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@param SecurityProtocolSpecificData The value of the "Security Protocol Specific" parameter
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of the security protocol command to be sent.
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@param PayloadBufferSize Size in bytes of the payload data buffer.
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@param PayloadBuffer A pointer to a destination buffer to store the security
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protocol command specific payload data for the security
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protocol command. The caller is responsible for having
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either implicit or explicit ownership of the buffer.
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@param PayloadTransferSize A pointer to a buffer to store the size in bytes of the
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data written to the payload data buffer.
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@retval EFI_SUCCESS The security protocol command completed successfully.
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@retval EFI_WARN_BUFFER_TOO_SMALL The PayloadBufferSize was too small to store the available
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data from the device. The PayloadBuffer contains the truncated data.
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@retval EFI_UNSUPPORTED The given MediaId does not support security protocol commands.
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@retval EFI_DEVICE_ERROR The security protocol command completed with an error.
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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_INVALID_PARAMETER The PayloadBuffer or PayloadTransferSize is NULL and
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PayloadBufferSize is non-zero.
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@retval EFI_TIMEOUT A timeout occurred while waiting for the security
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protocol command to execute.
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**/
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EFI_STATUS
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EFIAPI
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NvmeStorageSecurityReceiveData (
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IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,
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IN UINT32 MediaId,
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IN UINT64 Timeout,
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IN UINT8 SecurityProtocolId,
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IN UINT16 SecurityProtocolSpecificData,
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IN UINTN PayloadBufferSize,
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OUT VOID *PayloadBuffer,
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OUT UINTN *PayloadTransferSize
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);
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/**
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Send a security protocol command to a device.
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The SendData function sends a security protocol command containing the payload
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PayloadBuffer to the given MediaId. The security protocol command sent is
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defined by SecurityProtocolId and contains the security protocol specific data
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SecurityProtocolSpecificData. If the underlying protocol command requires a
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specific padding for the command payload, the SendData function shall add padding
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bytes to the command payload to satisfy the padding requirements.
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For devices supporting the SCSI command set, the security protocol command is sent
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using the SECURITY PROTOCOL OUT command defined in SPC-4.
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For devices supporting the ATA command set, the security protocol command is sent
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using one of the TRUSTED SEND commands defined in ATA8-ACS if PayloadBufferSize
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is non-zero. If the PayloadBufferSize is zero, the security protocol command is
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sent using the Trusted Non-Data command defined in ATA8-ACS.
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If PayloadBuffer is NULL and PayloadBufferSize is non-zero, the function shall
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return EFI_INVALID_PARAMETER.
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If the given MediaId does not support security protocol commands, the function
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shall return EFI_UNSUPPORTED. If there is no media in the device, the function
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returns EFI_NO_MEDIA. If the MediaId is not the ID for the current media in the
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device, the function returns EFI_MEDIA_CHANGED.
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If the security protocol fails to complete within the Timeout period, the function
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shall return EFI_TIMEOUT.
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If the security protocol command completes without an error, the function shall return
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EFI_SUCCESS. If the security protocol command completes with an error, the function
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shall return EFI_DEVICE_ERROR.
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@param This Indicates a pointer to the calling context.
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@param MediaId ID of the medium to receive data from.
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@param Timeout The timeout, in 100ns units, to use for the execution
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of the security protocol command. A Timeout value of 0
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means that this function will wait indefinitely for the
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security protocol command to execute. If Timeout is greater
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than zero, then this function will return EFI_TIMEOUT
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if the time required to execute the receive data command
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is greater than Timeout.
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@param SecurityProtocolId The value of the "Security Protocol" parameter of
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the security protocol command to be sent.
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@param SecurityProtocolSpecificData The value of the "Security Protocol Specific" parameter
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of the security protocol command to be sent.
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@param PayloadBufferSize Size in bytes of the payload data buffer.
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@param PayloadBuffer A pointer to a destination buffer to store the security
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protocol command specific payload data for the security
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protocol command.
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@retval EFI_SUCCESS The security protocol command completed successfully.
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@retval EFI_UNSUPPORTED The given MediaId does not support security protocol commands.
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@retval EFI_DEVICE_ERROR The security protocol command completed with an error.
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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_INVALID_PARAMETER The PayloadBuffer is NULL and PayloadBufferSize is non-zero.
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@retval EFI_TIMEOUT A timeout occurred while waiting for the security
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protocol command to execute.
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**/
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EFI_STATUS
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EFIAPI
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NvmeStorageSecuritySendData (
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IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,
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IN UINT32 MediaId,
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IN UINT64 Timeout,
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IN UINT8 SecurityProtocolId,
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IN UINT16 SecurityProtocolSpecificData,
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IN UINTN PayloadBufferSize,
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IN VOID *PayloadBuffer
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);
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#endif
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