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zdump: Extract dfo_mem_chunk interface from DFO

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The primary goal is to separate DFO code into multiple smaller modules
and make it unit testable.

This refactoring only moved the code around w/o changing any functionality.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Alexander Egorenkov
2021-11-11 07:21:08 +01:00
committed by Jan Höppner
parent f6a7da141c
commit 4bd16ba8ea
7 changed files with 190 additions and 140 deletions
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zdump/dfo.h
+6 -31
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@@ -12,37 +12,12 @@
#ifndef DFO_H
#define DFO_H
#include "lib/util_list.h"
#include "zg.h"
struct dfo_chunk;
typedef void (*dfo_chunk_read_fn)(struct dfo_chunk *chunk, u64 off,
void *buf, u64 cnt);
struct dfo_chunk {
struct util_list_node list;
u64 start;
u64 end;
dfo_chunk_read_fn read_fn;
void *data;
};
extern void dfo_chunk_zero_fn(struct dfo_chunk *chunk, u64 off, void *buf,
u64 cnt);
extern void dfo_chunk_buf_fn(struct dfo_chunk *chunk, u64 off, void *buf,
u64 cnt);
extern void dfo_chunk_mem_fn(struct dfo_chunk *chunk, u64 off, void *buf,
u64 cnt);
extern void dfo_chunk_add(u64 start, u64 size, void *data,
dfo_chunk_read_fn read_fn);
extern u64 dfo_read(void *buf, u64 cnt);
extern void dfo_seek(u64 addr);
extern u64 dfo_size(void);
extern const char *dfo_name(void);
extern void dfo_init(void);
extern int dfo_set(const char *dfo_name);
u64 dfo_read(void *buf, u64 cnt);
void dfo_seek(u64 addr);
u64 dfo_size(void);
const char *dfo_name(void);
void dfo_init(void);
int dfo_set(const char *dfo_name);
/*
* DFO operations