1/*
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
13/* that gives us 15 characters in the text event views */
14#define QDIO_DBF_LEN	16
15
16extern debug_info_t *qdio_dbf_setup;
17extern debug_info_t *qdio_dbf_error;
18
19#define DBF_ERR		3	/* error conditions	*/
20#define DBF_WARN	4	/* warning conditions	*/
21#define DBF_INFO	6	/* informational	*/
22
23#undef DBF_EVENT
24#undef DBF_ERROR
25#undef DBF_DEV_EVENT
26
27#define DBF_EVENT(text...) \
28	do { \
29		char debug_buffer[QDIO_DBF_LEN]; \
30		snprintf(debug_buffer, QDIO_DBF_LEN, text); \
31		debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
32	} while (0)
33
34static inline void DBF_HEX(void *addr, int len)
35{
36	while (len > 0) {
37		debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
38		len -= qdio_dbf_setup->buf_size;
39		addr += qdio_dbf_setup->buf_size;
40	}
41}
42
43#define DBF_ERROR(text...) \
44	do { \
45		char debug_buffer[QDIO_DBF_LEN]; \
46		snprintf(debug_buffer, QDIO_DBF_LEN, text); \
47		debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
48	} while (0)
49
50static inline void DBF_ERROR_HEX(void *addr, int len)
51{
52	while (len > 0) {
53		debug_event(qdio_dbf_error, DBF_ERR, addr, len);
54		len -= qdio_dbf_error->buf_size;
55		addr += qdio_dbf_error->buf_size;
56	}
57}
58
59#define DBF_DEV_EVENT(level, device, text...) \
60	do { \
61		char debug_buffer[QDIO_DBF_LEN]; \
62		if (debug_level_enabled(device->debug_area, level)) { \
63			snprintf(debug_buffer, QDIO_DBF_LEN, text); \
64			debug_text_event(device->debug_area, level, debug_buffer); \
65		} \
66	} while (0)
67
68static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
69			       int len, int level)
70{
71	while (len > 0) {
72		debug_event(dev->debug_area, level, addr, len);
73		len -= dev->debug_area->buf_size;
74		addr += dev->debug_area->buf_size;
75	}
76}
77
78int qdio_allocate_dbf(struct qdio_initialize *init_data,
79		       struct qdio_irq *irq_ptr);
80void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
81			      struct ccw_device *cdev);
82void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
83int qdio_debug_init(void);
84void qdio_debug_exit(void);
85
86#endif
87