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/** @file
Boot functions declaration for UefiPxeBc Driver.
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#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
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