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95 lines
3.4 KiB
C
95 lines
3.4 KiB
C
/** @file
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This file defines the EFI HTTP Boot Callback Protocol interface.
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Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This Protocol is introduced in UEFI Specification 2.7
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**/
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#ifndef __EFI_HTTP_BOOT_CALLBACK_H__
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#define __EFI_HTTP_BOOT_CALLBACK_H__
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#define EFI_HTTP_BOOT_CALLBACK_PROTOCOL_GUID \
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{ \
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0xba23b311, 0x343d, 0x11e6, {0x91, 0x85, 0x58, 0x20, 0xb1, 0xd6, 0x52, 0x99} \
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}
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typedef struct _EFI_HTTP_BOOT_CALLBACK_PROTOCOL EFI_HTTP_BOOT_CALLBACK_PROTOCOL;
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///
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/// EFI_HTTP_BOOT_CALLBACK_DATA_TYPE
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///
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typedef enum {
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///
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/// Data points to a DHCP4 packet which is about to transmit or has received.
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///
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HttpBootDhcp4,
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///
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/// Data points to a DHCP6 packet which is about to be transmit or has received.
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///
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HttpBootDhcp6,
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///
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/// Data points to an EFI_HTTP_MESSAGE structure, whichcontians a HTTP request message
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/// to be transmitted.
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///
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HttpBootHttpRequest,
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///
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/// Data points to an EFI_HTTP_MESSAGE structure, which contians a received HTTP
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/// response message.
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///
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HttpBootHttpResponse,
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///
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/// Part of the entity body has been received from the HTTP server. Data points to the
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/// buffer of the entity body data.
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///
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HttpBootHttpEntityBody,
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HttpBootTypeMax
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} EFI_HTTP_BOOT_CALLBACK_DATA_TYPE;
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/**
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Callback function that is invoked when the HTTP Boot driver is about to transmit or has received a
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packet.
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This function is invoked when the HTTP Boot driver is about to transmit or has received packet.
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Parameters DataType and Received specify the type of event and the format of the buffer pointed
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to by Data. Due to the polling nature of UEFI device drivers, this callback function should not
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execute for more than 5 ms.
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The returned status code determines the behavior of the HTTP Boot driver.
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@param[in] This Pointer to the EFI_HTTP_BOOT_CALLBACK_PROTOCOL instance.
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@param[in] DataType The event that occurs in the current state.
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@param[in] Received TRUE if the callback is being invoked due to a receive event.
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FALSE if the callback is being invoked due to a transmit event.
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@param[in] DataLength The length in bytes of the buffer pointed to by Data.
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@param[in] Data A pointer to the buffer of data, the data type is specified by
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DataType.
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@retval EFI_SUCCESS Tells the HTTP Boot driver to continue the HTTP Boot process.
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@retval EFI_ABORTED Tells the HTTP Boot driver to abort the current HTTP Boot process.
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**/
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typedef
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EFI_STATUS
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(EFIAPI * EFI_HTTP_BOOT_CALLBACK) (
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IN EFI_HTTP_BOOT_CALLBACK_PROTOCOL *This,
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IN EFI_HTTP_BOOT_CALLBACK_DATA_TYPE DataType,
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IN BOOLEAN Received,
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IN UINT32 DataLength,
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IN VOID *Data OPTIONAL
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);
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///
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/// EFI HTTP Boot Callback Protocol is invoked when the HTTP Boot driver is about to transmit or
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/// has received a packet. The EFI HTTP Boot Callback Protocol must be installed on the same handle
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/// as the Load File Protocol for the HTTP Boot.
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///
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struct _EFI_HTTP_BOOT_CALLBACK_PROTOCOL {
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EFI_HTTP_BOOT_CALLBACK Callback;
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};
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extern EFI_GUID gEfiHttpBootCallbackProtocolGuid;
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#endif
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