linux/drivers/s390/cio/cio_debug.h
Cornelia Huck 303fa9e396 [S390] cio: Make CIO_* macros safe if dbfs are not available.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2007-07-27 12:29:20 +02:00

41 lines
984 B
C

#ifndef CIO_DEBUG_H
#define CIO_DEBUG_H
#include <asm/debug.h>
/* for use of debug feature */
extern debug_info_t *cio_debug_msg_id;
extern debug_info_t *cio_debug_trace_id;
extern debug_info_t *cio_debug_crw_id;
#define CIO_TRACE_EVENT(imp, txt) do { \
debug_text_event(cio_debug_trace_id, imp, txt); \
} while (0)
#define CIO_MSG_EVENT(imp, args...) do { \
debug_sprintf_event(cio_debug_msg_id, imp , ##args); \
} while (0)
#define CIO_CRW_EVENT(imp, args...) do { \
debug_sprintf_event(cio_debug_crw_id, imp , ##args); \
} while (0)
static inline void
CIO_HEX_EVENT(int level, void *data, int length)
{
if (unlikely(!cio_debug_trace_id))
return;
while (length > 0) {
debug_event(cio_debug_trace_id, level, data, length);
length -= cio_debug_trace_id->buf_size;
data += cio_debug_trace_id->buf_size;
}
}
#define CIO_DEBUG(printk_level,event_level,msg...) ({ \
if (cio_show_msg) printk(printk_level msg); \
CIO_MSG_EVENT (event_level, msg); \
})
#endif