#ifndef __UBI_DEBUG_H__
#define __UBI_DEBUG_H__
+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;
+
#ifdef CONFIG_MTD_UBI_DEBUG
#include <linux/random.h>
-#define dbg_err(fmt, ...) ubi_err(fmt, ##__VA_ARGS__)
-
#define ubi_assert(expr) do { \
if (unlikely(!(expr))) { \
printk(KERN_CRIT "UBI assert failed in %s at %u (pid %d)\n", \
} \
} while (0)
-#define dbg_msg(fmt, ...) \
- printk(KERN_DEBUG "UBI DBG (pid %d): %s: " fmt "\n", \
- current->pid, __func__, ##__VA_ARGS__)
+#define dbg_err(fmt, ...) ubi_err(fmt, ##__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;
+#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 ": " fmt "\n", ##__VA_ARGS__)
+
+/* Just a debugging messages not related to any specific UBI subsystem */
+#define dbg_msg(fmt, ...) ubi_dbg_msg("msg", fmt, ##__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_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_mkvol_req(const struct ubi_mkvol_req *req);
void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
-#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)
-
-#ifdef CONFIG_MTD_UBI_DEBUG_MSG
-/* General debugging messages */
-#define dbg_gen(fmt, ...) dbg_msg(fmt, ##__VA_ARGS__)
-#else
-#define dbg_gen(fmt, ...) ({})
-#endif
+extern unsigned int ubi_chk_flags;
-#ifdef CONFIG_MTD_UBI_DEBUG_MSG_EBA
-/* Messages from the eraseblock association sub-system */
-#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 sub-system */
-#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 sub-system */
-#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__)
-#define UBI_IO_DEBUG 1
-#else
-#define dbg_bld(fmt, ...) ({})
-#define UBI_IO_DEBUG 0
-#endif
+/*
+ * Debugging check flags.
+ *
+ * UBI_CHK_GEN: general checks
+ * UBI_CHK_IO: check writes and erases
+ */
+enum {
+ UBI_CHK_GEN = 0x1,
+ UBI_CHK_IO = 0x2,
+};
-#ifdef CONFIG_MTD_UBI_DEBUG_PARANOID
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);
-#else
-#define ubi_dbg_check_all_ff(ubi, pnum, offset, len) 0
-#define ubi_dbg_check_write(ubi, buf, pnum, offset, len) 0
-#endif
-#ifdef CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
-#define DBG_DISABLE_BGT 1
-#else
-#define DBG_DISABLE_BGT 0
-#endif
+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,
+};
+
+/**
+ * ubi_dbg_is_bgt_disabled - if the background thread is disabled.
+ *
+ * Returns non-zero if the UBI background thread is disabled for testing
+ * purposes.
+ */
+static inline int ubi_dbg_is_bgt_disabled(void)
+{
+ return ubi_tst_flags & UBI_TST_DISABLE_BGT;
+}
-#ifdef CONFIG_MTD_UBI_DEBUG_EMULATE_BITFLIPS
/**
* ubi_dbg_is_bitflip - if it is time to emulate a bit-flip.
*
*/
static inline int ubi_dbg_is_bitflip(void)
{
- return !(random32() % 200);
+ if (ubi_tst_flags & UBI_TST_EMULATE_BITFLIPS)
+ return !(random32() % 200);
+ return 0;
}
-#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.
*
*/
static inline int ubi_dbg_is_write_failure(void)
{
- return !(random32() % 500);
+ if (ubi_tst_flags & UBI_TST_EMULATE_WRITE_FAILURES)
+ return !(random32() % 500);
+ return 0;
}
-#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.
*
*/
static inline int ubi_dbg_is_erase_failure(void)
{
+ if (ubi_tst_flags & UBI_TST_EMULATE_ERASE_FAILURES)
return !(random32() % 400);
+ return 0;
}
-#else
-#define ubi_dbg_is_erase_failure() 0
-#endif
#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_IO_DEBUG 0
-#define DBG_DISABLE_BGT 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
+/* Use "if (0)" to make compiler check arguments even if debugging is off */
+#define ubi_assert(expr) do { \
+ if (0) { \
+ printk(KERN_CRIT "UBI assert failed in %s at %u (pid %d)\n", \
+ __func__, __LINE__, current->pid); \
+ } \
+} while (0)
+
+#define dbg_err(fmt, ...) do { \
+ if (0) \
+ ubi_err(fmt, ##__VA_ARGS__); \
+} while (0)
+
+#define ubi_dbg_msg(fmt, ...) do { \
+ if (0) \
+ pr_debug(fmt "\n", ##__VA_ARGS__); \
+} while (0)
+
+#define dbg_msg(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_gen(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_eba(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_wl(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_io(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__)
+#define dbg_bld(fmt, ...) ubi_dbg_msg(fmt, ##__VA_ARGS__)
+
+static inline void ubi_dbg_dump_stack(void) { return; }
+static inline void
+ubi_dbg_dump_ec_hdr(const struct ubi_ec_hdr *ec_hdr) { return; }
+static inline void
+ubi_dbg_dump_vid_hdr(const struct ubi_vid_hdr *vid_hdr) { return; }
+static inline void
+ubi_dbg_dump_vol_info(const struct ubi_volume *vol) { return; }
+static inline void
+ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx) { return; }
+static inline void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv) { return; }
+static inline void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb,
+ int type) { return; }
+static inline void
+ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req) { return; }
+static inline void ubi_dbg_dump_flash(struct ubi_device *ubi,
+ int pnum, int offset, int len) { return; }
+static inline void
+ubi_dbg_print_hex_dump(const char *l, const char *ps, int pt, int r,
+ int g, const void *b, size_t len, bool a) { return; }
+
+static inline int ubi_dbg_is_bgt_disabled(void) { return 0; }
+static inline int ubi_dbg_is_bitflip(void) { return 0; }
+static inline int ubi_dbg_is_write_failure(void) { return 0; }
+static inline int ubi_dbg_is_erase_failure(void) { return 0; }
+static inline int ubi_dbg_check_all_ff(struct ubi_device *ubi,
+ int pnum, int offset,
+ int len) { return 0; }
+static inline int ubi_dbg_check_write(struct ubi_device *ubi,
+ const void *buf, int pnum,
+ int offset, int len) { return 0; }
#endif /* !CONFIG_MTD_UBI_DEBUG */
#endif /* !__UBI_DEBUG_H__ */
git.openpandora.org / pandora-kernel.git / blobdiff