mtd/ubi/debug.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
20 		       __func__, __LINE__, current->pid);                    \
29 	pr_debug("UBI DBG " type " (pid %d): " fmt "\n", current->pid,       \
34 /* Messages from the eraseblock association sub-system */
36 /* Messages from the wear-leveling sub-system */
38 /* Messages from the input/output sub-system */
56  * The following function is a legacy implementation of UBI fault-injection
64 	if (ubi->dbg.emulate_bitflips)  in ubi_dbg_bitflip()
71 	if (ubi->dbg.emulate_io_failures)  in ubi_dbg_write_failure()
78 	if (ubi->dbg.emulate_io_failures)  in ubi_dbg_erase_failure()
92 /* Emulate bit-flips */
96 /* Emulates -EIO during data read */
100 /* Emulates -EIO during data write */
102 /* Emulates -EIO during erase a PEB*/
132 	if (ubi->dbg.emulate_failures & MASK_BITFLIPS)  in ubi_dbg_fail_bitflip()
139 	if (ubi->dbg.emulate_failures & MASK_WRITE_FAILURE)  in ubi_dbg_fail_write()
146 	if (ubi->dbg.emulate_failures & MASK_ERASE_FAILURE)  in ubi_dbg_fail_erase()
154 	if (ubi->dbg.emulate_failures & caller)  in ubi_dbg_fail_power_cut()
162 	if (ubi->dbg.emulate_failures & caller)  in ubi_dbg_fail_read()
169 	if (ubi->dbg.emulate_failures & MASK_ECCERR)  in ubi_dbg_fail_eccerr()
177 	if (ubi->dbg.emulate_failures & caller)  in ubi_dbg_fail_ff()
185 	if (ubi->dbg.emulate_failures & caller)  in ubi_dbg_fail_ff_bitflips()
193 	if (ubi->dbg.emulate_failures & caller)  in ubi_dbg_fail_bad_hdr()
201 	if (ubi->dbg.emulate_failures & caller)  in ubi_dbg_fail_bad_hdr_ebadmsg()
221  * ubi_dbg_is_power_cut - if it is time to emulate power cut.
235  * ubi_dbg_is_bitflip - if it is time to emulate a bit-flip.
238  * Returns true if a bit-flip should be emulated, otherwise returns false.
248  * ubi_dbg_is_write_failure - if it is time to emulate a write failure.
262  * ubi_dbg_is_erase_failure - if its time to emulate an erase failure.
276  * ubi_dbg_is_eccerr - if it is time to emulate ECC error.
287  * ubi_dbg_is_read_failure - if it is time to emulate a read failure.
300  * ubi_dbg_is_ff - if it is time to emulate that read region is only 0xFF.
313  * ubi_dbg_is_ff_bitflips - if it is time to emulate that read region is only 0xFF
328  * ubi_dbg_is_bad_hdr - if it is time to emulate a bad header
341  * ubi_dbg_is_bad_hdr_ebadmsg - if it is time to emulate a bad header with
356  * ubi_dbg_is_bgt_disabled - if the background thread is disabled.
359  * Returns non-zero if the UBI background thread is disabled for testing
364 	return ubi->dbg.disable_bgt;  in ubi_dbg_is_bgt_disabled()
369 	return ubi->dbg.chk_io;  in ubi_dbg_chk_io()
374 	return ubi->dbg.chk_gen;  in ubi_dbg_chk_gen()
379 	return ubi->dbg.chk_fastmap;  in ubi_dbg_chk_fastmap()
384 	ubi->dbg.chk_fastmap = 1;  in ubi_enable_dbg_chk_fastmap()