blob: e06496ab00368c6271d9c45a5abd68cdfd146d26 [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Jan Glauber779e6e12008-07-17 17:16:48 +02002/*
Jan Glauber779e6e12008-07-17 17:16:48 +02003 * 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
Jan Glauber22f99342008-12-25 13:38:46 +010014/* that gives us 15 characters in the text event views */
Heiko Carstens6423ef62017-05-04 13:39:18 +020015#define QDIO_DBF_LEN 32
Jan Glauber779e6e12008-07-17 17:16:48 +020016
17extern debug_info_t *qdio_dbf_setup;
Jan Glauber22f99342008-12-25 13:38:46 +010018extern debug_info_t *qdio_dbf_error;
Jan Glauber779e6e12008-07-17 17:16:48 +020019
Jan Glauber22f99342008-12-25 13:38:46 +010020#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
Jan Glauberd3feb482012-09-11 13:42:06 +020035static inline void DBF_HEX(void *addr, int len)
36{
37 while (len > 0) {
38 debug_event(qdio_dbf_setup, DBF_ERR, addr, len);
39 len -= qdio_dbf_setup->buf_size;
40 addr += qdio_dbf_setup->buf_size;
41 }
42}
Jan Glauber22f99342008-12-25 13:38:46 +010043
44#define DBF_ERROR(text...) \
45 do { \
46 char debug_buffer[QDIO_DBF_LEN]; \
47 snprintf(debug_buffer, QDIO_DBF_LEN, text); \
48 debug_text_event(qdio_dbf_error, DBF_ERR, debug_buffer); \
49 } while (0)
50
Jan Glauberd3feb482012-09-11 13:42:06 +020051static inline void DBF_ERROR_HEX(void *addr, int len)
52{
53 while (len > 0) {
54 debug_event(qdio_dbf_error, DBF_ERR, addr, len);
55 len -= qdio_dbf_error->buf_size;
56 addr += qdio_dbf_error->buf_size;
57 }
58}
Jan Glauber22f99342008-12-25 13:38:46 +010059
60#define DBF_DEV_EVENT(level, device, text...) \
61 do { \
62 char debug_buffer[QDIO_DBF_LEN]; \
Hendrik Brueckner8e6a8282013-09-18 17:21:34 +020063 if (debug_level_enabled(device->debug_area, level)) { \
Jan Glauber22f99342008-12-25 13:38:46 +010064 snprintf(debug_buffer, QDIO_DBF_LEN, text); \
65 debug_text_event(device->debug_area, level, debug_buffer); \
66 } \
67 } while (0)
68
Jan Glauberd3feb482012-09-11 13:42:06 +020069static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr,
70 int len, int level)
71{
72 while (len > 0) {
73 debug_event(dev->debug_area, level, addr, len);
74 len -= dev->debug_area->buf_size;
75 addr += dev->debug_area->buf_size;
76 }
77}
Jan Glauber22f99342008-12-25 13:38:46 +010078
Stefan Raspl613c4e02014-06-12 14:24:45 +020079int qdio_allocate_dbf(struct qdio_initialize *init_data,
Jan Glauber22f99342008-12-25 13:38:46 +010080 struct qdio_irq *irq_ptr);
Jan Glauber779e6e12008-07-17 17:16:48 +020081void qdio_setup_debug_entries(struct qdio_irq *irq_ptr,
82 struct ccw_device *cdev);
Stefan Rasplaa2383f2013-02-26 13:08:34 +010083void qdio_shutdown_debug_entries(struct qdio_irq *irq_ptr);
Jan Glauber779e6e12008-07-17 17:16:48 +020084int qdio_debug_init(void);
85void qdio_debug_exit(void);
Jan Glauber22f99342008-12-25 13:38:46 +010086
Jan Glauber779e6e12008-07-17 17:16:48 +020087#endif