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https://github.com/AsahiLinux/u-boot
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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/*
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* Copyright (c) International Business Machines Corp., 2006
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Author: Artem Bityutskiy (Битюцкий Артём)
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*/
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#ifndef __UBI_DEBUG_H__
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#define __UBI_DEBUG_H__
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#ifdef CONFIG_MTD_UBI_DEBUG
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#ifdef UBI_LINUX
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#include <linux/random.h>
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#endif
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#define ubi_assert(expr) BUG_ON(!(expr))
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#define dbg_err(fmt, ...) ubi_err(fmt, ##__VA_ARGS__)
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#else
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#define ubi_assert(expr) ({})
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#define dbg_err(fmt, ...) ({})
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
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#define DBG_DISABLE_BGT 1
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#else
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#define DBG_DISABLE_BGT 0
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_MSG
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/* Generic debugging message */
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#define dbg_msg(fmt, ...) \
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printk(KERN_DEBUG "UBI DBG: %s: " fmt "\n", \
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__FUNCTION__, ##__VA_ARGS__)
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#define ubi_dbg_dump_stack() dump_stack()
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struct ubi_ec_hdr;
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struct ubi_vid_hdr;
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struct ubi_volume;
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struct ubi_vtbl_record;
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struct ubi_scan_volume;
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struct ubi_scan_leb;
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struct ubi_mkvol_req;
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void ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr);
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void ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr);
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void ubi_dbg_dump_vol_info(const struct ubi_volume *vol);
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void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx);
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void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv);
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void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type);
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void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req);
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#else
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#define dbg_msg(fmt, ...) ({})
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#define ubi_dbg_dump_stack() ({})
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#define ubi_dbg_dump_ec_hdr(ec_hdr) ({})
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#define ubi_dbg_dump_vid_hdr(vid_hdr) ({})
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#define ubi_dbg_dump_vol_info(vol) ({})
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#define ubi_dbg_dump_vtbl_record(r, idx) ({})
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#define ubi_dbg_dump_sv(sv) ({})
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#define ubi_dbg_dump_seb(seb, type) ({})
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#define ubi_dbg_dump_mkvol_req(req) ({})
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#endif /* CONFIG_MTD_UBI_DEBUG_MSG */
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#ifdef CONFIG_MTD_UBI_DEBUG_MSG_EBA
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/* Messages from the eraseblock association unit */
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#define dbg_eba(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#else
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#define dbg_eba(fmt, ...) ({})
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_MSG_WL
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/* Messages from the wear-leveling unit */
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#define dbg_wl(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#else
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#define dbg_wl(fmt, ...) ({})
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_MSG_IO
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/* Messages from the input/output unit */
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#define dbg_io(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#else
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#define dbg_io(fmt, ...) ({})
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_MSG_BLD
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/* Initialization and build messages */
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#define dbg_bld(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
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#else
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#define dbg_bld(fmt, ...) ({})
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_BITFLIPS
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/**
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* ubi_dbg_is_bitflip - if it is time to emulate a bit-flip.
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*
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* Returns non-zero if a bit-flip should be emulated, otherwise returns zero.
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*/
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static inline int ubi_dbg_is_bitflip(void)
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{
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return !(random32() % 200);
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}
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#else
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#define ubi_dbg_is_bitflip() 0
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_WRITE_FAILURES
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/**
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* ubi_dbg_is_write_failure - if it is time to emulate a write failure.
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*
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* Returns non-zero if a write failure should be emulated, otherwise returns
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* zero.
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*/
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static inline int ubi_dbg_is_write_failure(void)
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{
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return !(random32() % 500);
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}
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#else
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#define ubi_dbg_is_write_failure() 0
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#endif
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#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_ERASE_FAILURES
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/**
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* ubi_dbg_is_erase_failure - if its time to emulate an erase failure.
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*
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* Returns non-zero if an erase failure should be emulated, otherwise returns
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* zero.
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*/
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static inline int ubi_dbg_is_erase_failure(void)
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{
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return !(random32() % 400);
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}
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#else
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#define ubi_dbg_is_erase_failure() 0
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#endif
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#endif /* !__UBI_DEBUG_H__ */
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