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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/drivers/mtd/ubi/debug.h | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/drivers/mtd/ubi/debug.h')
-rw-r--r-- | roms/u-boot/drivers/mtd/ubi/debug.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/mtd/ubi/debug.h b/roms/u-boot/drivers/mtd/ubi/debug.h new file mode 100644 index 00000000..222b2b8a --- /dev/null +++ b/roms/u-boot/drivers/mtd/ubi/debug.h @@ -0,0 +1,140 @@ +/* + * 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__ */ |