[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / s390 / cio / qdio_debug.h

/*
 *  Copyright IBM Corp. 2008
 *
 *  Author: Jan Glauber (jang@linux.vnet.ibm.com)
 */
#ifndef QDIO_DEBUG_H
#define QDIO_DEBUG_H

#include <asm/debug.h>
#include <asm/qdio.h>
#include "qdio.h"

/* that gives us 15 characters in the text event views */
#define QDIO_DBF_LEN	16

extern debug_info_t *qdio_dbf_setup;
extern debug_info_t *qdio_dbf_error;

/* sort out low debug levels early to avoid wasted sprints */
static inline int qdio_dbf_passes(debug_info_t *dbf_grp, int level)
{
	return (level <= dbf_grp->level);
}

#define DBF_ERR		3	/* error conditions	*/
#define DBF_WARN	4	/* warning conditions	*/
#define DBF_INFO	6	/* informational	*/

#undef DBF_EVENT
#undef DBF_ERROR
#undef DBF_DEV_EVENT

#define DBF_EVENT(text...) \
	do { \
		char debug_buffer[QDIO_DBF_LEN]; \
		snprintf(debug_buffer, QDIO_DBF_LEN, text); \
		debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
	} while (0)

static inline void DBF_HEX(void *addr, int len)
{
	while (len > 0) {
		debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
		len -= qdio_dbf_setup->buf_size;
		addr += qdio_dbf_setup->buf_size;
	}
}

#define DBF_ERROR(text...) \
	do { \
		char debug_buffer[QDIO_DBF_LEN]; \
		snprintf(debug_buffer, QDIO_DBF_LEN, text); \
		debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
	} while (0)

static inline void DBF_ERROR_HEX(void *addr, int len)
{
	while (len > 0) {
		debug_event(qdio_dbf_error, DBF_ERR, addr, len);
		len -= qdio_dbf_error->buf_size;
		addr += qdio_dbf_error->buf_size;
	}
}

#define DBF_DEV_EVENT(level, device, text...) \
	do { \
		char debug_buffer[QDIO_DBF_LEN]; \
		if (qdio_dbf_passes(device->debug_area, level)) { \
			snprintf(debug_buffer, QDIO_DBF_LEN, text); \
			debug_text_event(device->debug_area, level, debug_buffer); \
		} \
	} while (0)

static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
			       int len, int level)
{
	while (len > 0) {
		debug_event(dev->debug_area, level, addr, len);
		len -= dev->debug_area->buf_size;
		addr += dev->debug_area->buf_size;
	}
}

void qdio_allocate_dbf(struct qdio_initialize *init_data,
		       struct qdio_irq *irq_ptr);
void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
			      struct ccw_device *cdev);
void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
int qdio_debug_init(void);
void qdio_debug_exit(void);

#endif
Commit	Line	Data
779e6e1c	1	/*
779e6e1c JG	2	* Copyright IBM Corp. 2008
	3	*
	4	* Author: Jan Glauber (jang@linux.vnet.ibm.com)
	5	*/
	6	#ifndef QDIO_DEBUG_H
	7	#define QDIO_DEBUG_H
	8
	9	#include <asm/debug.h>
	10	#include <asm/qdio.h>
	11	#include "qdio.h"
	12
22f99347 JG	13	/* that gives us 15 characters in the text event views */
	14	#define QDIO_DBF_LEN 16
	15
	16	extern debug_info_t *qdio_dbf_setup;
	17	extern debug_info_t *qdio_dbf_error;
	18
	19	/* sort out low debug levels early to avoid wasted sprints */
	20	static inline int qdio_dbf_passes(debug_info_t *dbf_grp, int level)
	21	{
	22	return (level <= dbf_grp->level);
	23	}
	24
	25	#define DBF_ERR 3 /* error conditions */
	26	#define DBF_WARN 4 /* warning conditions */
	27	#define DBF_INFO 6 /* informational */
	28
	29	#undef DBF_EVENT
	30	#undef DBF_ERROR
	31	#undef DBF_DEV_EVENT
	32
	33	#define DBF_EVENT(text...) \
779e6e1c	34	do { \
22f99347 JG	35	char debug_buffer[QDIO_DBF_LEN]; \
	36	snprintf(debug_buffer, QDIO_DBF_LEN, text); \
	37	debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
779e6e1c	38	} while (0)
22f99347	39
d3feb481 JG	40	static inline void DBF_HEX(void *addr, int len)
	41	{
	42	while (len > 0) {
	43	debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
	44	len -= qdio_dbf_setup->buf_size;
	45	addr += qdio_dbf_setup->buf_size;
	46	}
	47	}
779e6e1c	48
22f99347 JG	49	#define DBF_ERROR(text...) \
	50	do { \
	51	char debug_buffer[QDIO_DBF_LEN]; \
	52	snprintf(debug_buffer, QDIO_DBF_LEN, text); \
	53	debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
	54	} while (0)
779e6e1c	55
d3feb481 JG	56	static inline void DBF_ERROR_HEX(void *addr, int len)
	57	{
	58	while (len > 0) {
	59	debug_event(qdio_dbf_error, DBF_ERR, addr, len);
	60	len -= qdio_dbf_error->buf_size;
	61	addr += qdio_dbf_error->buf_size;
	62	}
	63	}
779e6e1c	64
22f99347 JG	65	#define DBF_DEV_EVENT(level, device, text...) \
	66	do { \
	67	char debug_buffer[QDIO_DBF_LEN]; \
	68	if (qdio_dbf_passes(device->debug_area, level)) { \
	69	snprintf(debug_buffer, QDIO_DBF_LEN, text); \
	70	debug_text_event(device->debug_area, level, debug_buffer); \
	71	} \
	72	} while (0)
779e6e1c	73
d3feb481 JG	74	static inline void DBF_DEV_HEX(struct qdio_irq dev, void addr,
	75	int len, int level)
	76	{
	77	while (len > 0) {
	78	debug_event(dev->debug_area, level, addr, len);
	79	len -= dev->debug_area->buf_size;
	80	addr += dev->debug_area->buf_size;
	81	}
	82	}
779e6e1c	83
22f99347 JG	84	void qdio_allocate_dbf(struct qdio_initialize *init_data,
22f99347 JG	85	struct qdio_irq *irq_ptr);
779e6e1c JG	86	void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
779e6e1c JG	87	struct ccw_device *cdev);
aa2383f8	88	void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
779e6e1c JG	89	int qdio_debug_init(void);
779e6e1c JG	90	void qdio_debug_exit(void);
22f99347	91
779e6e1c	92	#endif