mirror of https://github.com/acidanthera/audk.git
92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/** @file
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Boot functions declaration for UefiPxeBc Driver.
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Copyright (c) 2009 - 2012, 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_PXEBC_BOOT_H__
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#define __EFI_PXEBC_BOOT_H__
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#define PXEBC_DISPLAY_MAX_LINE 70
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#define PXEBC_DEFAULT_UDP_OVERHEAD_SIZE 8
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#define PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE 4
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#define PXEBC_IS_SIZE_OVERFLOWED(x) ((sizeof (UINTN) < sizeof (UINT64)) && ((x) > 0xFFFFFFFF))
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/**
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Extract the discover information and boot server entry from the
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cached packets if unspecified.
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@param[in] Private Pointer to PxeBc private data.
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@param[in] Type The type of bootstrap to perform.
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@param[in, out] DiscoverInfo Pointer to EFI_PXE_BASE_CODE_DISCOVER_INFO.
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@param[out] BootEntry Pointer to PXEBC_BOOT_SVR_ENTRY.
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@param[out] SrvList Pointer to EFI_PXE_BASE_CODE_SRVLIST.
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@retval EFI_SUCCESS Successfully extracted the information.
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@retval EFI_DEVICE_ERROR Failed to extract the information.
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**/
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EFI_STATUS
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PxeBcExtractDiscoverInfo (
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IN PXEBC_PRIVATE_DATA *Private,
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IN UINT16 Type,
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IN OUT EFI_PXE_BASE_CODE_DISCOVER_INFO **DiscoverInfo,
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OUT PXEBC_BOOT_SVR_ENTRY **BootEntry,
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OUT EFI_PXE_BASE_CODE_SRVLIST **SrvList
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);
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/**
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Build the discover packet and send out for boot.
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@param[in] Private Pointer to PxeBc private data.
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@param[in] Type PxeBc option boot item type.
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@param[in] Layer Pointer to option boot item layer.
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@param[in] UseBis Use BIS or not.
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@param[in] DestIp Pointer to the server address.
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@param[in] IpCount The total count of the server address.
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@param[in] SrvList Pointer to the server address list.
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@retval EFI_SUCCESS Successfully discovered boot file.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
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@retval EFI_NOT_FOUND Can't get the PXE reply packet.
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@retval Others Failed to discover boot file.
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**/
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EFI_STATUS
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PxeBcDiscoverBootServer (
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IN PXEBC_PRIVATE_DATA *Private,
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IN UINT16 Type,
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IN UINT16 *Layer,
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IN BOOLEAN UseBis,
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IN EFI_IP_ADDRESS *DestIp,
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IN UINT16 IpCount,
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IN EFI_PXE_BASE_CODE_SRVLIST *SrvList
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);
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/**
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Load boot file into user buffer.
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@param[in] Private Pointer to PxeBc private data.
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@param[in, out] BufferSize Size of user buffer for input;
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required buffer size for output.
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@param[in] Buffer Pointer to user buffer.
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@retval EFI_SUCCESS Successfully obtained all the boot information.
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@retval EFI_BUFFER_TOO_SMALL The buffer size is not enough for boot file.
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@retval EFI_ABORTED User cancelled the current operation.
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@retval Others Failed to parse out the boot information.
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**/
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EFI_STATUS
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PxeBcLoadBootFile (
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IN PXEBC_PRIVATE_DATA *Private,
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IN OUT UINTN *BufferSize,
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IN VOID *Buffer OPTIONAL
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);
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#endif
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