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
17 extern debug_info_t *qdio_dbf_setup;
18 extern 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
DBF_HEX(void * addr,int len)35 static 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
DBF_ERROR_HEX(void * addr,int len)47 static 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
DBF_DEV_HEX(struct qdio_irq * dev,void * addr,int len,int level)61 static 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
67 int qdio_allocate_dbf(struct qdio_initialize *init_data,
68 struct qdio_irq *irq_ptr);
69 void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
70 struct ccw_device *cdev);
71 void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
72 int qdio_debug_init(void);
73 void qdio_debug_exit(void);
74
75 #endif
76