141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/*
|
|
* Copyright (c) International Business Machines Corp., 2006
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
* Author: Artem Bityutskiy (Битюцкий Артём)
|
|
*/
|
|
|
|
#ifndef __UBI_DEBUG_H__
|
|
#define __UBI_DEBUG_H__
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG
|
|
#ifdef UBI_LINUX
|
|
#include <linux/random.h>
|
|
#endif
|
|
|
|
#define ubi_assert(expr) BUG_ON(!(expr))
|
|
#define dbg_err(fmt, ...) ubi_err(fmt, ##__VA_ARGS__)
|
|
#else
|
|
#define ubi_assert(expr) ({})
|
|
#define dbg_err(fmt, ...) ({})
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
|
|
#define DBG_DISABLE_BGT 1
|
|
#else
|
|
#define DBG_DISABLE_BGT 0
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_MSG
|
|
/* Generic debugging message */
|
|
#define dbg_msg(fmt, ...) \
|
|
printk(KERN_DEBUG "UBI DBG: %s: " fmt "\n", \
|
|
__FUNCTION__, ##__VA_ARGS__)
|
|
|
|
#define ubi_dbg_dump_stack() dump_stack()
|
|
|
|
struct ubi_ec_hdr;
|
|
struct ubi_vid_hdr;
|
|
struct ubi_volume;
|
|
struct ubi_vtbl_record;
|
|
struct ubi_scan_volume;
|
|
struct ubi_scan_leb;
|
|
struct ubi_mkvol_req;
|
|
|
|
void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr);
|
|
void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr);
|
|
void ubi_dbg_dump_vol_info(const struct ubi_volume *vol);
|
|
void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx);
|
|
void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv);
|
|
void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type);
|
|
void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req);
|
|
|
|
#else
|
|
|
|
#define dbg_msg(fmt, ...) ({})
|
|
#define ubi_dbg_dump_stack() ({})
|
|
#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
|
|
#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})
|
|
#define ubi_dbg_dump_vol_info(vol) ({})
|
|
#define ubi_dbg_dump_vtbl_record(r, idx) ({})
|
|
#define ubi_dbg_dump_sv(sv) ({})
|
|
#define ubi_dbg_dump_seb(seb, type) ({})
|
|
#define ubi_dbg_dump_mkvol_req(req) ({})
|
|
|
|
#endif /* CONFIG_MTD_UBI_DEBUG_MSG */
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_MSG_EBA
|
|
/* Messages from the eraseblock association unit */
|
|
#define dbg_eba(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|
#else
|
|
#define dbg_eba(fmt, ...) ({})
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_MSG_WL
|
|
/* Messages from the wear-leveling unit */
|
|
#define dbg_wl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|
#else
|
|
#define dbg_wl(fmt, ...) ({})
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_MSG_IO
|
|
/* Messages from the input/output unit */
|
|
#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|
#else
|
|
#define dbg_io(fmt, ...) ({})
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_MSG_BLD
|
|
/* Initialization and build messages */
|
|
#define dbg_bld(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
|
|
#else
|
|
#define dbg_bld(fmt, ...) ({})
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_BITFLIPS
|
|
/**
|
|
* ubi_dbg_is_bitflip - if it is time to emulate a bit-flip.
|
|
*
|
|
* Returns non-zero if a bit-flip should be emulated, otherwise returns zero.
|
|
*/
|
|
static inline int ubi_dbg_is_bitflip(void)
|
|
{
|
|
return !(random32() % 200);
|
|
}
|
|
#else
|
|
#define ubi_dbg_is_bitflip() 0
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_WRITE_FAILURES
|
|
/**
|
|
* ubi_dbg_is_write_failure - if it is time to emulate a write failure.
|
|
*
|
|
* Returns non-zero if a write failure should be emulated, otherwise returns
|
|
* zero.
|
|
*/
|
|
static inline int ubi_dbg_is_write_failure(void)
|
|
{
|
|
return !(random32() % 500);
|
|
}
|
|
#else
|
|
#define ubi_dbg_is_write_failure() 0
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_ERASE_FAILURES
|
|
/**
|
|
* ubi_dbg_is_erase_failure - if its time to emulate an erase failure.
|
|
*
|
|
* Returns non-zero if an erase failure should be emulated, otherwise returns
|
|
* zero.
|
|
*/
|
|
static inline int ubi_dbg_is_erase_failure(void)
|
|
{
|
|
return !(random32() % 400);
|
|
}
|
|
#else
|
|
#define ubi_dbg_is_erase_failure() 0
|
|
#endif
|
|
|
|
#endif /* !__UBI_DEBUG_H__ */
|