#ifndef _LIBCFS_H
#define _LIBCFS_H
+#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
+#else
+#include "types.h"
+#endif
#ifdef __KERNEL__
# include <linux/time.h>
extern unsigned int portal_debug;
extern unsigned int portal_printk;
-#include <asm/types.h>
struct ptldebug_header {
__u32 ph_len;
__u32 ph_flags;
#define S_RPC 0x00000100
#define S_MGMT 0x00000200
#define S_PORTALS 0x00000400
-#define S_SOCKNAL 0x00000800
-#define S_QSWNAL 0x00001000
-#define S_PINGER 0x00002000
-#define S_FILTER 0x00004000
-#define S_PTLBD 0x00008000
-#define S_ECHO 0x00010000
-#define S_LDLM 0x00020000
-#define S_LOV 0x00040000
-#define S_GMNAL 0x00080000
-#define S_PTLROUTER 0x00100000
-#define S_COBD 0x00200000
-#define S_OPENIBNAL 0x00400000
-#define S_SM 0x00800000
-#define S_ASOBD 0x01000000
-#define S_LMV 0x02000000
-#define S_CMOBD 0x04000000
-
-/* If you change these values, please keep portals/utils/debug.c
- * up to date! */
+#define S_NAL 0x00000800 /* ALL NALs */
+#define S_PINGER 0x00001000
+#define S_FILTER 0x00002000
+#define S_PTLBD 0x00004000
+#define S_ECHO 0x00008000
+#define S_LDLM 0x00010000
+#define S_LOV 0x00020000
+#define S_PTLROUTER 0x00040000
+#define S_COBD 0x00080000
+#define S_SM 0x00100000
+#define S_ASOBD 0x00200000
+#define S_CONFOBD 0x00400000
+#define S_LMV 0x00800000
+#define S_CMOBD 0x01000000
+/* If you change these values, please keep these files up to date...
+ * portals/utils/debug.c
+ * utils/lconf
+ */
/* Debugging masks (32 bits, non-overlapping) */
#define D_TRACE 0x00000001 /* ENTRY/EXIT markers */
#define D_READA 0x00400000 /* read-ahead */
#define D_MMAP 0x00800000
#define D_CONFIG 0x01000000
+/* If you change these values, please keep these files up to date...
+ * portals/utils/debug.c
+ * utils/lconf
+ */
+
#ifdef __KERNEL__
# include <linux/sched.h> /* THREAD_SIZE */
#else
# endif
#endif
-#ifndef likely
-# define likely(exp) (exp)
-#endif
-#ifndef unlikely
-# define unlikely(exp) (exp)
-#endif
-
#define LUSTRE_TRACE_SIZE (THREAD_SIZE >> 5)
#ifdef __KERNEL__
CDEBUG_STACK, format, ## a); \
} while (0)
-#define CWARN(format, a...) CDEBUG(D_WARNING, format, ## a)
-#define CERROR(format, a...) CDEBUG(D_ERROR, format, ## a)
+#define CDEBUG_MAX_LIMIT 600
+#define CDEBUG_LIMIT(cdebug_mask, cdebug_format, a...) \
+do { \
+ static unsigned long cdebug_next = 0; \
+ static int cdebug_count = 0, cdebug_delay = 1; \
+ \
+ CHECK_STACK(CDEBUG_STACK); \
+ if (time_after(jiffies, cdebug_next)) { \
+ portals_debug_msg(DEBUG_SUBSYSTEM, cdebug_mask, __FILE__, \
+ __FUNCTION__, __LINE__, CDEBUG_STACK, \
+ cdebug_format, ## a); \
+ if (cdebug_count) { \
+ portals_debug_msg(DEBUG_SUBSYSTEM, cdebug_mask, \
+ __FILE__, __FUNCTION__, __LINE__, \
+ 0, "skipped %d similar messages\n", \
+ cdebug_count); \
+ cdebug_count = 0; \
+ } \
+ if (time_after(jiffies, cdebug_next+(CDEBUG_MAX_LIMIT+10)*HZ))\
+ cdebug_delay = cdebug_delay > 8 ? cdebug_delay/8 : 1; \
+ else \
+ cdebug_delay = cdebug_delay*2 >= CDEBUG_MAX_LIMIT*HZ ?\
+ CDEBUG_MAX_LIMIT*HZ : cdebug_delay*2; \
+ cdebug_next = jiffies + cdebug_delay; \
+ } else { \
+ portals_debug_msg(DEBUG_SUBSYSTEM, \
+ portal_debug & ~(D_EMERG|D_ERROR|D_WARNING),\
+ __FILE__, __FUNCTION__, __LINE__, \
+ CDEBUG_STACK, cdebug_format, ## a); \
+ cdebug_count++; \
+ } \
+} while (0)
+
+#define CWARN(format, a...) CDEBUG_LIMIT(D_WARNING, format, ## a)
+#define CERROR(format, a...) CDEBUG_LIMIT(D_ERROR, format, ## a)
#define CEMERG(format, a...) CDEBUG(D_EMERG, format, ## a)
#define GOTO(label, rc) \
/* initial pid */
# if CRAY_PORTALS
/*
+ * 1) ptl_pid_t in cray portals is only 16 bits, not 32 bits, therefore this
+ * is too big.
*
- * 1) ptl_pid_t in cray portals is only 16 bits, not 32 bits, therefore this is too
- * big.
- *
- * 2) the implementation of ernal in cray portals further restricts the pid space
- * that may be used to 0 <= pid <= 255 (an 8 bit value). Returns an error at nal
- * init time for any pid outside this range. Other nals in cray portals don't have
- * this restriction.
+ * 2) the implementation of ernal in cray portals further restricts the pid
+ * space that may be used to 0 <= pid <= 255 (an 8 bit value). Returns
+ * an error at nal init time for any pid outside this range. Other nals
+ * in cray portals don't have this restriction.
* */
#define LUSTRE_PTL_PID 9
# else
#endif
-#define _LIBCFS_H
+#ifdef __KERNEL__
+/* libcfs watchdogs */
+struct lc_watchdog;
+
+/* Just use the default handler (dumplog) */
+#define LC_WATCHDOG_DEFAULT_CB NULL
+
+/* Add a watchdog which fires after "time" milliseconds of delay. You have to
+ * touch it once to enable it. */
+struct lc_watchdog *lc_watchdog_add(int time,
+ void (*cb)(struct lc_watchdog *,
+ struct task_struct *,
+ void *),
+ void *data);
+
+/* Enables a watchdog and resets its timer. */
+void lc_watchdog_touch(struct lc_watchdog *lcw);
+
+/* Disable a watchdog; touch it to restart it. */
+void lc_watchdog_disable(struct lc_watchdog *lcw);
+
+/* Clean up the watchdog */
+void lc_watchdog_delete(struct lc_watchdog *lcw);
+
+/* Dump a debug log */
+void lc_watchdog_dumplog(struct lc_watchdog *lcw,
+ struct task_struct *tsk,
+ void *data);
+#endif /* !__KERNEL__ */
#endif /* _LIBCFS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff