/* SPDX-License-Identifier: GPL-2.0-or-later *//* * Copyright (c) International Business Machines Corp., 2006 * * Author: Artem Bityutskiy (Битюцкий Артём) */ #ifndef __UBI_DEBUG_H__#define __UBI_DEBUG_H__ void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);void ubi_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr);void ubi_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr); #include <linux/random.h> #define ubi_assert(expr)  do {                                               \	if (unlikely(!(expr))) {                                             \		pr_crit("UBI assert failed in %s at %u (pid %d)\n",          \		       __func__, __LINE__, current->pid);                    \		dump_stack();                                                \	}                                                                    \} while (0) #define ubi_dbg_print_hex_dump(l, ps, pt, r, g, b, len, a)                   \		print_hex_dump(l, ps, pt, r, g, b, len, a) #define ubi_dbg_msg(type, fmt, ...) \	pr_debug("UBI DBG " type " (pid %d): " fmt "\n", current->pid,       \		 ##__VA_ARGS__) /* General debugging messages */#define dbg_gen(fmt, ...) ubi_dbg_msg("gen", fmt, ##__VA_ARGS__)/* Messages from the eraseblock association sub-system */#define dbg_eba(fmt, ...) ubi_dbg_msg("eba", fmt, ##__VA_ARGS__)/* Messages from the wear-leveling sub-system */#define dbg_wl(fmt, ...)  ubi_dbg_msg("wl", fmt, ##__VA_ARGS__)/* Messages from the input/output sub-system */#define dbg_io(fmt, ...)  ubi_dbg_msg("io", fmt, ##__VA_ARGS__)/* Initialization and build messages */#define dbg_bld(fmt, ...) ubi_dbg_msg("bld", fmt, ##__VA_ARGS__) void ubi_dump_vol_info(const struct ubi_volume *vol);void ubi_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx);void ubi_dump_av(const struct ubi_ainf_volume *av);void ubi_dump_aeb(const struct ubi_ainf_peb *aeb, int type);void ubi_dump_mkvol_req(const struct ubi_mkvol_req *req);int ubi_self_check_all_ff(struct ubi_device *ubi, int pnum, int offset,			  int len);int ubi_debugfs_init(void);void ubi_debugfs_exit(void);int ubi_debugfs_init_dev(struct ubi_device *ubi);void ubi_debugfs_exit_dev(struct ubi_device *ubi); /** * ubi_dbg_is_bgt_disabled - if the background thread is disabled. * @ubi: UBI device description object * * Returns non-zero if the UBI background thread is disabled for testing * purposes. */static inline int ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi){	return ubi->dbg.disable_bgt;} /** * ubi_dbg_is_bitflip - if it is time to emulate a bit-flip. * @ubi: UBI device description object * * Returns non-zero if a bit-flip should be emulated, otherwise returns zero. */static inline int ubi_dbg_is_bitflip(const struct ubi_device *ubi){	if (ubi->dbg.emulate_bitflips)		return !(prandom_u32() % 200);	return 0;} /** * ubi_dbg_is_write_failure - if it is time to emulate a write failure. * @ubi: UBI device description object * * Returns non-zero if a write failure should be emulated, otherwise returns * zero. */static inline int ubi_dbg_is_write_failure(const struct ubi_device *ubi){	if (ubi->dbg.emulate_io_failures)		return !(prandom_u32() % 500);	return 0;} /** * ubi_dbg_is_erase_failure - if its time to emulate an erase failure. * @ubi: UBI device description object * * Returns non-zero if an erase failure should be emulated, otherwise returns * zero. */static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi){	if (ubi->dbg.emulate_io_failures)		return !(prandom_u32() % 400);	return 0;} static inline int ubi_dbg_chk_io(const struct ubi_device *ubi){	return ubi->dbg.chk_io;} static inline int ubi_dbg_chk_gen(const struct ubi_device *ubi){	return ubi->dbg.chk_gen;} static inline int ubi_dbg_chk_fastmap(const struct ubi_device *ubi){	return ubi->dbg.chk_fastmap;} static inline void ubi_enable_dbg_chk_fastmap(struct ubi_device *ubi){	ubi->dbg.chk_fastmap = 1;} int ubi_dbg_power_cut(struct ubi_device *ubi, int caller);#endif /* !__UBI_DEBUG_H__ */