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Jan Glauber779e6e12008-07-17 17:16:48 +02001/*
Jan Glauber779e6e12008-07-17 17:16:48 +02002 * 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
Jan Glauber22f99342008-12-25 13:38:46 +010013/* that gives us 15 characters in the text event views */
14#define QDIO_DBF_LEN 16
Jan Glauber779e6e12008-07-17 17:16:48 +020015
16extern debug_info_t *qdio_dbf_setup;
Jan Glauber22f99342008-12-25 13:38:46 +010017extern debug_info_t *qdio_dbf_error;
Jan Glauber779e6e12008-07-17 17:16:48 +020018
Jan Glauber22f99342008-12-25 13:38:46 +010019/* sort out low debug levels early to avoid wasted sprints */
20static 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...) \
34 do { \
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); \
38 } while (0)
39
Jan Glauberd3feb482012-09-11 13:42:06 +020040static 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}
Jan Glauber22f99342008-12-25 13:38:46 +010048
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)
55
Jan Glauberd3feb482012-09-11 13:42:06 +020056static 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}
Jan Glauber22f99342008-12-25 13:38:46 +010064
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)
73
Jan Glauberd3feb482012-09-11 13:42:06 +020074static 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}
Jan Glauber22f99342008-12-25 13:38:46 +010083
84void qdio_allocate_dbf(struct qdio_initialize *init_data,
85 struct qdio_irq *irq_ptr);
Jan Glauber779e6e12008-07-17 17:16:48 +020086void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
87 struct ccw_device *cdev);
Stefan Rasplaa2383f2013-02-26 13:08:34 +010088void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
Jan Glauber779e6e12008-07-17 17:16:48 +020089int qdio_debug_init(void);
90void qdio_debug_exit(void);
Jan Glauber22f99342008-12-25 13:38:46 +010091
Jan Glauber779e6e12008-07-17 17:16:48 +020092#endif