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75 lines
3.4 KiB
C
75 lines
3.4 KiB
C
/** @file
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UEFI 2.2 Deferred Image Load Protocol definition.
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This protocol returns information about images whose load was denied because of security
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considerations. This information can be used by the Boot Manager or another agent to reevaluate the
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images when the current security profile has been changed, such as when the current user profile
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changes. There can be more than one instance of this protocol installed.
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Copyright (c) 2009 - 2018, 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 __DEFERRED_IMAGE_LOAD_H__
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#define __DEFERRED_IMAGE_LOAD_H__
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///
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/// Global ID for the Deferred Image Load Protocol
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///
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#define EFI_DEFERRED_IMAGE_LOAD_PROTOCOL_GUID \
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{ \
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0x15853d7c, 0x3ddf, 0x43e0, { 0xa1, 0xcb, 0xeb, 0xf8, 0x5b, 0x8f, 0x87, 0x2c } \
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};
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typedef struct _EFI_DEFERRED_IMAGE_LOAD_PROTOCOL EFI_DEFERRED_IMAGE_LOAD_PROTOCOL;
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/**
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Returns information about a deferred image.
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This function returns information about a single deferred image. The deferred images are numbered
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consecutively, starting with 0. If there is no image which corresponds to ImageIndex, then
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EFI_NOT_FOUND is returned. All deferred images may be returned by iteratively calling this
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function until EFI_NOT_FOUND is returned.
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Image may be NULL and ImageSize set to 0 if the decision to defer execution was made because
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of the location of the executable image rather than its actual contents. record handle until
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there are no more, at which point UserInfo will point to NULL.
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@param[in] This Points to this instance of the EFI_DEFERRED_IMAGE_LOAD_PROTOCOL.
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@param[in] ImageIndex Zero-based index of the deferred index.
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@param[out] ImageDevicePath On return, points to a pointer to the device path of the image.
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The device path should not be freed by the caller.
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@param[out] Image On return, points to the first byte of the image or NULL if the
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image is not available. The image should not be freed by the caller
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unless LoadImage() has been called successfully.
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@param[out] ImageSize On return, the size of the image, or 0 if the image is not available.
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@param[out] BootOption On return, points to TRUE if the image was intended as a boot option
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or FALSE if it was not intended as a boot option.
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@retval EFI_SUCCESS Image information returned successfully.
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@retval EFI_NOT_FOUND ImageIndex does not refer to a valid image.
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@retval EFI_INVALID_PARAMETER ImageDevicePath is NULL or Image is NULL or ImageSize is NULL or
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BootOption is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DEFERRED_IMAGE_INFO)(
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IN EFI_DEFERRED_IMAGE_LOAD_PROTOCOL *This,
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IN UINTN ImageIndex,
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OUT EFI_DEVICE_PATH_PROTOCOL **ImageDevicePath,
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OUT VOID **Image,
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OUT UINTN *ImageSize,
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OUT BOOLEAN *BootOption
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);
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///
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/// This protocol returns information about a deferred image.
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///
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struct _EFI_DEFERRED_IMAGE_LOAD_PROTOCOL {
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EFI_DEFERRED_IMAGE_INFO GetImageInfo;
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};
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extern EFI_GUID gEfiDeferredImageLoadProtocolGuid;
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#endif
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