xref: /OK3568_Linux_fs/kernel/drivers/s390/cio/qdio_debug.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  Copyright IBM Corp. 2008
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *  Author: Jan Glauber (jang@linux.vnet.ibm.com)
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun #ifndef QDIO_DEBUG_H
8*4882a593Smuzhiyun #define QDIO_DEBUG_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <asm/debug.h>
11*4882a593Smuzhiyun #include <asm/qdio.h>
12*4882a593Smuzhiyun #include "qdio.h"
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /* that gives us 15 characters in the text event views */
15*4882a593Smuzhiyun #define QDIO_DBF_LEN	32
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun extern debug_info_t *qdio_dbf_setup;
18*4882a593Smuzhiyun extern debug_info_t *qdio_dbf_error;
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun #define DBF_ERR		3	/* error conditions	*/
21*4882a593Smuzhiyun #define DBF_WARN	4	/* warning conditions	*/
22*4882a593Smuzhiyun #define DBF_INFO	6	/* informational	*/
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun #undef DBF_EVENT
25*4882a593Smuzhiyun #undef DBF_ERROR
26*4882a593Smuzhiyun #undef DBF_DEV_EVENT
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #define DBF_EVENT(text...) \
29*4882a593Smuzhiyun 	do { \
30*4882a593Smuzhiyun 		char debug_buffer[QDIO_DBF_LEN]; \
31*4882a593Smuzhiyun 		snprintf(debug_buffer, QDIO_DBF_LEN, text); \
32*4882a593Smuzhiyun 		debug_text_event(qdio_dbf_setup, DBF_ERR, debug_buffer); \
33*4882a593Smuzhiyun 	} while (0)
34*4882a593Smuzhiyun 
DBF_HEX(void * addr,int len)35*4882a593Smuzhiyun static inline void DBF_HEX(void *addr, int len)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun 	debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #define DBF_ERROR(text...) \
41*4882a593Smuzhiyun 	do { \
42*4882a593Smuzhiyun 		char debug_buffer[QDIO_DBF_LEN]; \
43*4882a593Smuzhiyun 		snprintf(debug_buffer, QDIO_DBF_LEN, text); \
44*4882a593Smuzhiyun 		debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
45*4882a593Smuzhiyun 	} while (0)
46*4882a593Smuzhiyun 
DBF_ERROR_HEX(void * addr,int len)47*4882a593Smuzhiyun static inline void DBF_ERROR_HEX(void *addr, int len)
48*4882a593Smuzhiyun {
49*4882a593Smuzhiyun 	debug_event(qdio_dbf_error, DBF_ERR, addr, len);
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #define DBF_DEV_EVENT(level, device, text...) \
53*4882a593Smuzhiyun 	do { \
54*4882a593Smuzhiyun 		char debug_buffer[QDIO_DBF_LEN]; \
55*4882a593Smuzhiyun 		if (debug_level_enabled(device->debug_area, level)) { \
56*4882a593Smuzhiyun 			snprintf(debug_buffer, QDIO_DBF_LEN, text); \
57*4882a593Smuzhiyun 			debug_text_event(device->debug_area, level, debug_buffer); \
58*4882a593Smuzhiyun 		} \
59*4882a593Smuzhiyun 	} while (0)
60*4882a593Smuzhiyun 
DBF_DEV_HEX(struct qdio_irq * dev,void * addr,int len,int level)61*4882a593Smuzhiyun static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
62*4882a593Smuzhiyun 			       int len, int level)
63*4882a593Smuzhiyun {
64*4882a593Smuzhiyun 	debug_event(dev->debug_area, level, addr, len);
65*4882a593Smuzhiyun }
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun int qdio_allocate_dbf(struct qdio_irq *irq_ptr);
68*4882a593Smuzhiyun void qdio_setup_debug_entries(struct qdio_irq *irq_ptr);
69*4882a593Smuzhiyun void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
70*4882a593Smuzhiyun int qdio_debug_init(void);
71*4882a593Smuzhiyun void qdio_debug_exit(void);
72*4882a593Smuzhiyun 
73*4882a593Smuzhiyun #endif
74