1a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner/* 2a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * Copyright (C) 2010 The Android Open Source Project 3a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * 4a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * Licensed under the Apache License, Version 2.0 (the "License"); 5a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * you may not use this file except in compliance with the License. 6a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * You may obtain a copy of the License at 7a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * 8a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * http://www.apache.org/licenses/LICENSE-2.0 9a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * 10a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * Unless required by applicable law or agreed to in writing, software 11a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * distributed under the License is distributed on an "AS IS" BASIS, 12a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * See the License for the specific language governing permissions and 14a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner * limitations under the License. 15a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner */ 16a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 17a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner#ifndef _BACKED_BLOCK_H_ 18a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner#define _BACKED_BLOCK_H_ 19a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 20a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner#include <stdint.h> 21a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 22a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block_list; 23a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block; 24a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 25a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerenum backed_block_type { 26a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner BACKED_BLOCK_DATA, 27a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner BACKED_BLOCK_FILE, 28a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner BACKED_BLOCK_FD, 29a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner BACKED_BLOCK_FILL, 30a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner}; 31a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 32a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint backed_block_add_data(struct backed_block_list *bbl, void *data, 33a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner unsigned int len, unsigned int block); 34a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint backed_block_add_fill(struct backed_block_list *bbl, unsigned int fill_val, 35a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner unsigned int len, unsigned int block); 36a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint backed_block_add_file(struct backed_block_list *bbl, const char *filename, 37a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner int64_t offset, unsigned int len, unsigned int block); 38a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint backed_block_add_fd(struct backed_block_list *bbl, int fd, 39a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner int64_t offset, unsigned int len, unsigned int block); 40a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 41a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block *backed_block_iter_new(struct backed_block_list *bbl); 42a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block *backed_block_iter_next(struct backed_block *bb); 43a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerunsigned int backed_block_len(struct backed_block *bb); 44a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerunsigned int backed_block_block(struct backed_block *bb); 45a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnervoid *backed_block_data(struct backed_block *bb); 46a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerconst char *backed_block_filename(struct backed_block *bb); 47a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint backed_block_fd(struct backed_block *bb); 48a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint64_t backed_block_file_offset(struct backed_block *bb); 49a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turneruint32_t backed_block_fill_val(struct backed_block *bb); 50a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerenum backed_block_type backed_block_type(struct backed_block *bb); 51a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerint backed_block_split(struct backed_block_list *bbl, struct backed_block *bb, 52a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner unsigned int max_len); 53a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 54a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block *backed_block_iter_new(struct backed_block_list *bbl); 55a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block *backed_block_iter_next(struct backed_block *bb); 56a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 57a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnerstruct backed_block_list *backed_block_list_new(unsigned int block_size); 58a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnervoid backed_block_list_destroy(struct backed_block_list *bbl); 59a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 60a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turnervoid backed_block_list_move(struct backed_block_list *from, 61a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner struct backed_block_list *to, struct backed_block *start, 62a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner struct backed_block *end); 63a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner 64a2394cf2fab37ca4ec91e57db74f06f15a3656beDavid 'Digit' Turner#endif 65