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/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* internal.h
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#ifndef INTERNAL_H
#define INTERNAL_H
#include "config.h"
#include "sqfs/block_processor.h"
#include "sqfs/block_writer.h"
#include "sqfs/frag_table.h"
#include "sqfs/compressor.h"
#include "sqfs/inode.h"
#include "sqfs/table.h"
#include "sqfs/error.h"
#include "sqfs/block.h"
#include "sqfs/io.h"
#include "hash_table.h"
#include "threadpool.h"
#include "util.h"
#include <string.h>
#include <stdlib.h>
typedef struct {
sqfs_u32 index;
sqfs_u32 offset;
sqfs_u32 size;
sqfs_u32 hash;
} chunk_info_t;
enum {
BLK_FLAG_MANUAL_SUBMISSION = 0x10000000,
BLK_FLAG_INTERNAL = 0x10000000,
};
typedef struct sqfs_block_t {
struct sqfs_block_t *next;
sqfs_inode_generic_t **inode;
sqfs_u32 io_seq_num;
sqfs_u32 flags;
sqfs_u32 size;
sqfs_u32 checksum;
/* For data blocks: index within the inode.
For fragment fragment blocks: fragment table index. */
sqfs_u32 index;
/* User data pointer */
void *user;
sqfs_u8 data[];
} sqfs_block_t;
typedef struct worker_data_t {
struct worker_data_t *next;
sqfs_compressor_t *cmp;
size_t scratch_size;
sqfs_u8 scratch[];
} worker_data_t;
struct sqfs_block_processor_t {
sqfs_object_t obj;
sqfs_frag_table_t *frag_tbl;
sqfs_block_t *frag_block;
sqfs_block_writer_t *wr;
sqfs_block_processor_stats_t stats;
sqfs_inode_generic_t **inode;
sqfs_block_t *blk_current;
sqfs_u32 blk_flags;
sqfs_u32 blk_index;
void *user;
struct hash_table *frag_ht;
sqfs_block_t *free_list;
size_t max_block_size;
size_t max_backlog;
size_t backlog;
bool begin_called;
sqfs_file_t *file;
sqfs_compressor_t *uncmp;
thread_pool_t *pool;
worker_data_t *workers;
sqfs_block_t *io_queue;
sqfs_u32 io_seq_num;
sqfs_u32 io_deq_seq_num;
sqfs_block_t *current_frag;
sqfs_block_t *cached_frag_blk;
sqfs_block_t *fblk_in_flight;
int fblk_lookup_error;
sqfs_u8 scratch[];
};
SQFS_INTERNAL int enqueue_block(sqfs_block_processor_t *proc,
sqfs_block_t *blk);
SQFS_INTERNAL int dequeue_block(sqfs_block_processor_t *proc);
#endif /* INTERNAL_H */
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