2 Declaration of the boot file download function.
4 Copyright (c) 2015 - 2021, Intel Corporation. All rights reserved.<BR>
5 (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
6 SPDX-License-Identifier: BSD-2-Clause-Patent
10 #ifndef __EFI_HTTP_BOOT_HTTP_H__
11 #define __EFI_HTTP_BOOT_HTTP_H__
13 #define HTTP_BOOT_BLOCK_SIZE 1500
14 #define HTTP_USER_AGENT_EFI_HTTP_BOOT "UefiHttpBoot/1.0"
17 // Record the data length and start address of a data block.
20 LIST_ENTRY Link
; // Link to the EntityDataList in HTTP_BOOT_CACHE_CONTENT
21 UINT8
*Block
; // If NULL, the data is in previous data block.
22 UINT8
*DataStart
; // Point to somewhere in the Block
24 } HTTP_BOOT_ENTITY_DATA
;
27 // Structure for a cache item
30 LIST_ENTRY Link
; // Link to the CacheList in driver's private data.
31 EFI_HTTP_REQUEST_DATA
*RequestData
;
32 HTTP_IO_RESPONSE_DATA
*ResponseData
; // Not include any message-body data.
33 HTTP_BOOT_IMAGE_TYPE ImageType
;
35 LIST_ENTRY EntityDataList
; // Entity data (message-body)
36 } HTTP_BOOT_CACHE_CONTENT
;
39 // Callback data for HTTP_BODY_PARSER_CALLBACK()
46 HTTP_BOOT_CACHE_CONTENT
*Cache
;
51 // Caller provided buffer to load the file in.
57 HTTP_BOOT_PRIVATE_DATA
*Private
;
58 } HTTP_BOOT_CALLBACK_DATA
;
61 Discover all the boot information for boot file.
63 @param[in, out] Private The pointer to the driver's private data.
65 @retval EFI_SUCCESS Successfully obtained all the boot information .
66 @retval Others Failed to retrieve the boot information.
70 HttpBootDiscoverBootInfo (
71 IN OUT HTTP_BOOT_PRIVATE_DATA
*Private
75 Create a HttpIo instance for the file download.
77 @param[in] Private The pointer to the driver's private data.
79 @retval EFI_SUCCESS Successfully created.
80 @retval Others Failed to create HttpIo.
84 HttpBootCreateHttpIo (
85 IN HTTP_BOOT_PRIVATE_DATA
*Private
89 This function download the boot file by using UEFI HTTP protocol.
91 @param[in] Private The pointer to the driver's private data.
92 @param[in] HeaderOnly Only request the response header, it could save a lot of time if
93 the caller only want to know the size of the requested file.
94 @param[in, out] BufferSize On input the size of Buffer in bytes. On output with a return
95 code of EFI_SUCCESS, the amount of data transferred to
96 Buffer. On output with a return code of EFI_BUFFER_TOO_SMALL,
97 the size of Buffer required to retrieve the requested file.
98 @param[out] Buffer The memory buffer to transfer the file to. IF Buffer is NULL,
99 then the size of the requested file is returned in
101 @param[out] ImageType The image type of the downloaded file.
103 @retval EFI_SUCCESS The file was loaded.
104 @retval EFI_INVALID_PARAMETER BufferSize is NULL or Buffer Size is not NULL but Buffer is NULL.
105 @retval EFI_OUT_OF_RESOURCES Could not allocate needed resources
106 @retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
107 BufferSize has been updated with the size needed to complete
109 @retval Others Unexpected error happened.
113 HttpBootGetBootFile (
114 IN HTTP_BOOT_PRIVATE_DATA
*Private
,
115 IN BOOLEAN HeaderOnly
,
116 IN OUT UINTN
*BufferSize
,
118 OUT HTTP_BOOT_IMAGE_TYPE
*ImageType
122 Clean up all cached data.
124 @param[in] Private The pointer to the driver's private data.
128 HttpBootFreeCacheList (
129 IN HTTP_BOOT_PRIVATE_DATA
*Private