iBoot/lib/image/image4/image4_wrapper.h

60 lines
1.5 KiB
C

/*
* Copyright (C) 2012-2013 Apple Inc. All rights reserved.
*
* This document is the property of Apple Inc.
* It is considered confidential and proprietary.
*
* This document may not be reproduced or transmitted in any form,
* in whole or in part, without the express written permission of
* Apple Inc.
*/
#ifndef IMAGE4_WRAPPER_H
/*
* image4_process_superblock
*
* Searches the given bdev looking for image4 images. Returns a count of found
* images.
*/
extern int
image4_process_superblock(void *sblock, struct blockdev *bdev, off_t offset, uint32_t imageOptions);
/*
* image4_free_bdev
*
* Frees resources for any previously found images on the specified bdev.
* Useful for starting afresh with a new image superblock.
*/
extern void
image4_free_bdev(struct blockdev *bdev);
/*
* image4_load
*
* Given an image_info handle and type from a previous image_find, load the image and
* return the size and address of the payload (DATA tag).
*/
extern int
image4_load(struct image_info *image, const u_int32_t *types, u_int32_t count, u_int32_t *actual, void **load_addr, size_t *load_len);
/*
* image4_dump_list
*
* Print the list of images from the currently active bdev, if any.
*/
extern void
image4_dump_list(bool detailed);
/*
* image4_find
*
* Returns the image_info handle to the first image of the specified type
* from the currently active bdev, if any.
*/
extern struct image_info *
image4_find(u_int32_t image_type);
#endif // defined(IMAGE4_WRAPPER_H)