diff options
Diffstat (limited to 'drivers/mtd/ubi/debug.h')
| -rw-r--r-- | drivers/mtd/ubi/debug.h | 186 |
1 files changed, 51 insertions, 135 deletions
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h index 0b0c2888c65..cba89fcd158 100644 --- a/drivers/mtd/ubi/debug.h +++ b/drivers/mtd/ubi/debug.h @@ -21,194 +21,110 @@ #ifndef __UBI_DEBUG_H__ #define __UBI_DEBUG_H__ -#ifdef CONFIG_MTD_UBI_DEBUG -#include <linux/random.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); -#define dbg_err(fmt, ...) ubi_err(fmt, ##__VA_ARGS__) +#include <linux/random.h> #define ubi_assert(expr) do { \ if (unlikely(!(expr))) { \ - printk(KERN_CRIT "UBI assert failed in %s at %u (pid %d)\n", \ + pr_crit("UBI assert failed in %s at %u (pid %d)\n", \ __func__, __LINE__, current->pid); \ - ubi_dbg_dump_stack(); \ + dump_stack(); \ } \ } while (0) -#define dbg_msg(fmt, ...) \ - printk(KERN_DEBUG "UBI DBG (pid %d): %s: " fmt "\n", \ - current->pid, __func__, ##__VA_ARGS__) - -#define dbg_do_msg(typ, fmt, ...) do { \ - if (ubi_msg_flags & typ) \ - dbg_msg(fmt, ##__VA_ARGS__); \ -} while (0) - -#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); -void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len); - -extern unsigned int ubi_msg_flags; - -/* - * Debugging message type flags (must match msg_type_names in debug.c). - * - * UBI_MSG_GEN: general messages - * UBI_MSG_EBA: journal messages - * UBI_MSG_WL: mount messages - * UBI_MSG_IO: commit messages - * UBI_MSG_BLD: LEB find messages - */ -enum { - UBI_MSG_GEN = 0x1, - UBI_MSG_EBA = 0x2, - UBI_MSG_WL = 0x4, - UBI_MSG_IO = 0x8, - UBI_MSG_BLD = 0x10, -}; - -#define ubi_dbg_print_hex_dump(l, ps, pt, r, g, b, len, a) \ +#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) -/* General debugging messages */ -#define dbg_gen(fmt, ...) dbg_do_msg(UBI_MSG_GEN, fmt, ##__VA_ARGS__) +#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, ...) dbg_do_msg(UBI_MSG_EBA, fmt, ##__VA_ARGS__) - +#define dbg_eba(fmt, ...) ubi_dbg_msg("eba", fmt, ##__VA_ARGS__) /* Messages from the wear-leveling sub-system */ -#define dbg_wl(fmt, ...) dbg_do_msg(UBI_MSG_WL, fmt, ##__VA_ARGS__) - +#define dbg_wl(fmt, ...) ubi_dbg_msg("wl", fmt, ##__VA_ARGS__) /* Messages from the input/output sub-system */ -#define dbg_io(fmt, ...) dbg_do_msg(UBI_MSG_IO, fmt, ##__VA_ARGS__) - +#define dbg_io(fmt, ...) ubi_dbg_msg("io", fmt, ##__VA_ARGS__) /* Initialization and build messages */ -#define dbg_bld(fmt, ...) dbg_do_msg(UBI_MSG_BLD, fmt, ##__VA_ARGS__) - -extern unsigned int ubi_chk_flags; - -/* - * Debugging check flags. - * - * UBI_CHK_GEN: general checks - * UBI_CHK_IO: check writes and erases - */ -enum { - UBI_CHK_GEN = 0x1, - UBI_CHK_IO = 0x2, -}; - -int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len); -int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum, - int offset, int len); - -extern unsigned int ubi_tst_flags; - -/* - * Special testing flags. - * - * UBIFS_TST_DISABLE_BGT: disable the background thread - * UBI_TST_EMULATE_BITFLIPS: emulate bit-flips - * UBI_TST_EMULATE_WRITE_FAILURES: emulate write failures - * UBI_TST_EMULATE_ERASE_FAILURES: emulate erase failures - */ -enum { - UBI_TST_DISABLE_BGT = 0x1, - UBI_TST_EMULATE_BITFLIPS = 0x2, - UBI_TST_EMULATE_WRITE_FAILURES = 0x4, - UBI_TST_EMULATE_ERASE_FAILURES = 0x8, -}; +#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(void) +static inline int ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi) { - return ubi_tst_flags & UBI_TST_DISABLE_BGT; + 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(void) +static inline int ubi_dbg_is_bitflip(const struct ubi_device *ubi) { - if (ubi_tst_flags & UBI_TST_EMULATE_BITFLIPS) - return !(random32() % 200); + 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(void) +static inline int ubi_dbg_is_write_failure(const struct ubi_device *ubi) { - if (ubi_tst_flags & UBI_TST_EMULATE_WRITE_FAILURES) - return !(random32() % 500); + 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(void) +static inline int ubi_dbg_is_erase_failure(const struct ubi_device *ubi) { - if (ubi_tst_flags & UBI_TST_EMULATE_ERASE_FAILURES) - return !(random32() % 400); + if (ubi->dbg.emulate_io_failures) + return !(prandom_u32() % 400); return 0; } -#else - -#define ubi_assert(expr) ({}) -#define dbg_err(fmt, ...) ({}) -#define dbg_msg(fmt, ...) ({}) -#define dbg_gen(fmt, ...) ({}) -#define dbg_eba(fmt, ...) ({}) -#define dbg_wl(fmt, ...) ({}) -#define dbg_io(fmt, ...) ({}) -#define dbg_bld(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) ({}) -#define ubi_dbg_dump_flash(ubi, pnum, offset, len) ({}) -#define ubi_dbg_print_hex_dump(l, ps, pt, r, g, b, len, a) ({}) - -#define ubi_dbg_is_bgt_disabled() 0 -#define ubi_dbg_is_bitflip() 0 -#define ubi_dbg_is_write_failure() 0 -#define ubi_dbg_is_erase_failure() 0 -#define ubi_dbg_check_all_ff(ubi, pnum, offset, len) 0 -#define ubi_dbg_check_write(ubi, buf, pnum, offset, len) 0 +static inline int ubi_dbg_chk_io(const struct ubi_device *ubi) +{ + return ubi->dbg.chk_io; +} -#endif /* !CONFIG_MTD_UBI_DEBUG */ +static inline int ubi_dbg_chk_gen(const struct ubi_device *ubi) +{ + return ubi->dbg.chk_gen; +} #endif /* !__UBI_DEBUG_H__ */ |