138 lines
4.6 KiB
C
138 lines
4.6 KiB
C
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/** @file
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Declaration of the boot file download function.
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Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
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(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EFI_HTTP_BOOT_HTTP_H__
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#define __EFI_HTTP_BOOT_HTTP_H__
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#define HTTP_BOOT_REQUEST_TIMEOUT 5000 // 5 seconds in uints of millisecond.
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#define HTTP_BOOT_RESPONSE_TIMEOUT 5000 // 5 seconds in uints of millisecond.
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#define HTTP_BOOT_BLOCK_SIZE 1500
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#define HTTP_USER_AGENT_EFI_HTTP_BOOT "UefiHttpBoot/1.0"
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//
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// Record the data length and start address of a data block.
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//
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typedef struct {
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LIST_ENTRY Link; // Link to the EntityDataList in HTTP_BOOT_CACHE_CONTENT
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UINT8 *Block; // If NULL, the data is in previous data block.
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UINT8 *DataStart; // Point to somewhere in the Block
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UINTN DataLength;
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} HTTP_BOOT_ENTITY_DATA;
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//
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// Structure for a cache item
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//
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typedef struct {
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LIST_ENTRY Link; // Link to the CacheList in driver's private data.
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EFI_HTTP_REQUEST_DATA *RequestData;
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HTTP_IO_RESPONSE_DATA *ResponseData; // Not include any message-body data.
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HTTP_BOOT_IMAGE_TYPE ImageType;
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UINTN EntityLength;
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LIST_ENTRY EntityDataList; // Entity data (message-body)
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} HTTP_BOOT_CACHE_CONTENT;
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//
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// Callback data for HTTP_BODY_PARSER_CALLBACK()
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//
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typedef struct {
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EFI_STATUS Status;
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//
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// Cache info.
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//
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HTTP_BOOT_CACHE_CONTENT *Cache;
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BOOLEAN NewBlock;
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UINT8 *Block;
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//
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// Caller provided buffer to load the file in.
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//
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UINTN CopyedSize;
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UINTN BufferSize;
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UINT8 *Buffer;
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HTTP_BOOT_PRIVATE_DATA *Private;
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} HTTP_BOOT_CALLBACK_DATA;
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/**
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Discover all the boot information for boot file.
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@param[in, out] Private The pointer to the driver's private data.
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@retval EFI_SUCCESS Successfully obtained all the boot information .
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@retval Others Failed to retrieve the boot information.
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**/
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EFI_STATUS
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HttpBootDiscoverBootInfo (
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IN OUT HTTP_BOOT_PRIVATE_DATA *Private
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);
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/**
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Create a HttpIo instance for the file download.
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@param[in] Private The pointer to the driver's private data.
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@retval EFI_SUCCESS Successfully created.
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@retval Others Failed to create HttpIo.
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**/
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EFI_STATUS
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HttpBootCreateHttpIo (
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IN HTTP_BOOT_PRIVATE_DATA *Private
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);
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/**
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This function download the boot file by using UEFI HTTP protocol.
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@param[in] Private The pointer to the driver's private data.
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@param[in] HeaderOnly Only request the response header, it could save a lot of time if
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the caller only want to know the size of the requested file.
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@param[in, out] BufferSize On input the size of Buffer in bytes. On output with a return
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code of EFI_SUCCESS, the amount of data transferred to
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Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL,
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the size of Buffer required to retrieve the requested file.
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@param[out] Buffer The memory buffer to transfer the file to. IF Buffer is NULL,
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then the size of the requested file is returned in
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BufferSize.
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@param[out] ImageType The image type of the downloaded file.
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@retval EFI_SUCCESS The file was loaded.
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@retval EFI_INVALID_PARAMETER BufferSize is NULL or Buffer Size is not NULL but Buffer is NULL.
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@retval EFI_OUT_OF_RESOURCES Could not allocate needed resources
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@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
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BufferSize has been updated with the size needed to complete
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the request.
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@retval Others Unexpected error happened.
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**/
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EFI_STATUS
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HttpBootGetBootFile (
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IN HTTP_BOOT_PRIVATE_DATA *Private,
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IN BOOLEAN HeaderOnly,
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IN OUT UINTN *BufferSize,
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OUT UINT8 *Buffer,
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OUT HTTP_BOOT_IMAGE_TYPE *ImageType
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);
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/**
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Clean up all cached data.
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@param[in] Private The pointer to the driver's private data.
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**/
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VOID
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HttpBootFreeCacheList (
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IN HTTP_BOOT_PRIVATE_DATA *Private
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);
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#endif
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