1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/** @file
Boot functions declaration for UefiPxeBc Driver.
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __EFI_PXEBC_BOOT_H__
#define __EFI_PXEBC_BOOT_H__
#define PXEBC_DISPLAY_MAX_LINE 70
#define PXEBC_DEFAULT_UDP_OVERHEAD_SIZE 8
#define PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE 4
#define PXEBC_IS_SIZE_OVERFLOWED(x) ((sizeof (UINTN) < sizeof (UINT64)) && ((x) > 0xFFFFFFFF))
/**
Extract the discover information and boot server entry from the
cached packets if unspecified.
@param[in] Private Pointer to PxeBc private data.
@param[in] Type The type of bootstrap to perform.
@param[in, out] DiscoverInfo Pointer to EFI_PXE_BASE_CODE_DISCOVER_INFO.
@param[out] BootEntry Pointer to PXEBC_BOOT_SVR_ENTRY.
@param[out] SrvList Pointer to EFI_PXE_BASE_CODE_SRVLIST.
@retval EFI_SUCCESS Successfully extracted the information.
@retval EFI_DEVICE_ERROR Failed to extract the information.
**/
EFI_STATUS
PxeBcExtractDiscoverInfo (
IN PXEBC_PRIVATE_DATA *Private,
IN UINT16 Type,
IN OUT EFI_PXE_BASE_CODE_DISCOVER_INFO **DiscoverInfo,
OUT PXEBC_BOOT_SVR_ENTRY **BootEntry,
OUT EFI_PXE_BASE_CODE_SRVLIST **SrvList
);
/**
Build the discover packet and send out for boot.
@param[in] Private Pointer to PxeBc private data.
@param[in] Type PxeBc option boot item type.
@param[in] Layer Pointer to option boot item layer.
@param[in] UseBis Use BIS or not.
@param[in] DestIp Pointer to the server address.
@param[in] IpCount The total count of the server address.
@param[in] SrvList Pointer to the server address list.
@retval EFI_SUCCESS Successfully discovered boot file.
@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
@retval EFI_NOT_FOUND Can't get the PXE reply packet.
@retval Others Failed to discover boot file.
**/
EFI_STATUS
PxeBcDiscoverBootServer (
IN PXEBC_PRIVATE_DATA *Private,
IN UINT16 Type,
IN UINT16 *Layer,
IN BOOLEAN UseBis,
IN EFI_IP_ADDRESS *DestIp,
IN UINT16 IpCount,
IN EFI_PXE_BASE_CODE_SRVLIST *SrvList
);
/**
Load boot file into user buffer.
@param[in] Private Pointer to PxeBc private data.
@param[in, out] BufferSize Size of user buffer for input;
required buffer size for output.
@param[in] Buffer Pointer to user buffer.
@retval EFI_SUCCESS Successfully obtained all the boot information.
@retval EFI_BUFFER_TOO_SMALL The buffer size is not enough for boot file.
@retval EFI_ABORTED User cancelled the current operation.
@retval Others Failed to parse out the boot information.
**/
EFI_STATUS
PxeBcLoadBootFile (
IN PXEBC_PRIVATE_DATA *Private,
IN OUT UINTN *BufferSize,
IN VOID *Buffer OPTIONAL
);
#endif
|
