1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright IBM Corp. 2008
4 *
5 * Author: Jan Glauber (jang@linux.vnet.ibm.com)
6 */
7#ifndef QDIO_DEBUG_H
8#define QDIO_DEBUG_H
9
10#include <asm/debug.h>
11#include <asm/qdio.h>
12#include "qdio.h"
13
14/* that gives us 15 characters in the text event views */
15#define QDIO_DBF_LEN 32
16
17extern debug_info_t *qdio_dbf_setup;
18extern debug_info_t *qdio_dbf_error;
19
20#define DBF_ERR 3 /* error conditions */
21#define DBF_WARN 4 /* warning conditions */
22#define DBF_INFO 6 /* informational */
23
24#undef DBF_EVENT
25#undef DBF_ERROR
26#undef DBF_DEV_EVENT
27
28#define DBF_EVENT(text...) \
29 do { \
30 char debug_buffer[QDIO_DBF_LEN]; \
31 snprintf(debug_buffer, QDIO_DBF_LEN, text); \
32 debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
33 } while (0)
34
35static inline void DBF_HEX(void *addr, int len)
36{
37 debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
38}
39
40#define DBF_ERROR(text...) \
41 do { \
42 char debug_buffer[QDIO_DBF_LEN]; \
43 snprintf(debug_buffer, QDIO_DBF_LEN, text); \
44 debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
45 } while (0)
46
47static inline void DBF_ERROR_HEX(void *addr, int len)
48{
49 debug_event(qdio_dbf_error, DBF_ERR, addr, len);
50}
51
52#define DBF_DEV_EVENT(level, device, text...) \
53 do { \
54 char debug_buffer[QDIO_DBF_LEN]; \
55 if (debug_level_enabled(device->debug_area, level)) { \
56 snprintf(debug_buffer, QDIO_DBF_LEN, text); \
57 debug_text_event(device->debug_area, level, debug_buffer); \
58 } \
59 } while (0)
60
61static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
62 int len, int level)
63{
64 debug_event(dev->debug_area, level, addr, len);
65}
66
67int qdio_allocate_dbf(struct qdio_irq *irq_ptr);
68void qdio_setup_debug_entries(struct qdio_irq *irq_ptr);
69void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
70int qdio_debug_init(void);
71void qdio_debug_exit(void);
72
73#endif
74

source code of linux/drivers/s390/cio/qdio_debug.h