| /* |
| * Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef __FMAP_H__ |
| #define __FMAP_H__ |
| |
| #include <inttypes.h> |
| #include <stddef.h> |
| |
| /* FMAP structs. See http://code.google.com/p/flashmap/wiki/FmapSpec */ |
| #define FMAP_NAMELEN 32 |
| #define FMAP_SIGNATURE "__FMAP__" |
| #define FMAP_SIGNATURE_SIZE 8 |
| #define FMAP_SEARCH_STRIDE 4 |
| #define FMAP_VER_MAJOR 1 |
| typedef struct _FmapHeader { |
| /* Avoid endian issues in signature... */ |
| char fmap_signature[FMAP_SIGNATURE_SIZE]; |
| uint8_t fmap_ver_major; |
| uint8_t fmap_ver_minor; |
| uint64_t fmap_base; |
| uint32_t fmap_size; |
| char fmap_name[FMAP_NAMELEN]; |
| uint16_t fmap_nareas; |
| } __attribute__((packed)) FmapHeader; |
| |
| typedef struct _FmapAreaHeader { |
| uint32_t area_offset; |
| uint32_t area_size; |
| char area_name[FMAP_NAMELEN]; |
| uint16_t area_flags; |
| } __attribute__((packed)) FmapAreaHeader; |
| |
| |
| /* Find and point to the FMAP header within the buffer */ |
| FmapHeader *fmap_find(uint8_t *ptr, size_t size); |
| |
| /* Search for an area by name, return pointer to its beginning */ |
| uint8_t *fmap_find_by_name(uint8_t *ptr, size_t size, |
| /* optional, will call fmap_find() if NULL */ |
| FmapHeader *fmap, |
| /* The area name to search for */ |
| const char *name, |
| /* optional, return pointer to entry if not NULL */ |
| FmapAreaHeader **ah); |
| |
| #endif /* __FMAP_H__ */ |