Peter Tiedemann | 293d984 | 2008-02-08 00:03:49 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * drivers/s390/net/ctcm_dbug.h |
| 3 | * |
| 4 | * Copyright IBM Corp. 2001, 2007 |
| 5 | * Authors: Peter Tiedemann (ptiedem@de.ibm.com) |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #ifndef _CTCM_DBUG_H_ |
| 10 | #define _CTCM_DBUG_H_ |
| 11 | |
| 12 | /* |
| 13 | * Debug Facility stuff |
| 14 | */ |
| 15 | |
| 16 | #include <asm/debug.h> |
| 17 | |
| 18 | #ifdef DEBUG |
| 19 | #define do_debug 1 |
| 20 | #else |
| 21 | #define do_debug 0 |
| 22 | #endif |
| 23 | #ifdef DEBUGDATA |
| 24 | #define do_debug_data 1 |
| 25 | #else |
| 26 | #define do_debug_data 0 |
| 27 | #endif |
| 28 | #ifdef DEBUGCCW |
| 29 | #define do_debug_ccw 1 |
| 30 | #else |
| 31 | #define do_debug_ccw 0 |
| 32 | #endif |
| 33 | |
| 34 | /* define dbf debug levels similar to kernel msg levels */ |
| 35 | #define CTC_DBF_ALWAYS 0 /* always print this */ |
| 36 | #define CTC_DBF_EMERG 0 /* system is unusable */ |
| 37 | #define CTC_DBF_ALERT 1 /* action must be taken immediately */ |
| 38 | #define CTC_DBF_CRIT 2 /* critical conditions */ |
| 39 | #define CTC_DBF_ERROR 3 /* error conditions */ |
| 40 | #define CTC_DBF_WARN 4 /* warning conditions */ |
| 41 | #define CTC_DBF_NOTICE 5 /* normal but significant condition */ |
| 42 | #define CTC_DBF_INFO 5 /* informational */ |
| 43 | #define CTC_DBF_DEBUG 6 /* debug-level messages */ |
| 44 | |
| 45 | DECLARE_PER_CPU(char[256], ctcm_dbf_txt_buf); |
| 46 | |
| 47 | enum ctcm_dbf_names { |
| 48 | CTCM_DBF_SETUP, |
| 49 | CTCM_DBF_ERROR, |
| 50 | CTCM_DBF_TRACE, |
| 51 | CTCM_DBF_MPC_SETUP, |
| 52 | CTCM_DBF_MPC_ERROR, |
| 53 | CTCM_DBF_MPC_TRACE, |
| 54 | CTCM_DBF_INFOS /* must be last element */ |
| 55 | }; |
| 56 | |
| 57 | struct ctcm_dbf_info { |
| 58 | char name[DEBUG_MAX_NAME_LEN]; |
| 59 | int pages; |
| 60 | int areas; |
| 61 | int len; |
| 62 | int level; |
| 63 | debug_info_t *id; |
| 64 | }; |
| 65 | |
| 66 | extern struct ctcm_dbf_info ctcm_dbf[CTCM_DBF_INFOS]; |
| 67 | |
| 68 | int ctcm_register_dbf_views(void); |
| 69 | void ctcm_unregister_dbf_views(void); |
| 70 | |
| 71 | static inline const char *strtail(const char *s, int n) |
| 72 | { |
| 73 | int l = strlen(s); |
| 74 | return (l > n) ? s + (l - n) : s; |
| 75 | } |
| 76 | |
| 77 | /* sort out levels early to avoid unnecessary sprintfs */ |
| 78 | static inline int ctcm_dbf_passes(debug_info_t *dbf_grp, int level) |
| 79 | { |
| 80 | return (dbf_grp->level >= level); |
| 81 | } |
| 82 | |
| 83 | #define CTCM_FUNTAIL strtail((char *)__func__, 16) |
| 84 | |
| 85 | #define CTCM_DBF_TEXT(name, level, text) \ |
| 86 | do { \ |
| 87 | debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, level, text); \ |
| 88 | } while (0) |
| 89 | |
| 90 | #define CTCM_DBF_HEX(name, level, addr, len) \ |
| 91 | do { \ |
| 92 | debug_event(ctcm_dbf[CTCM_DBF_##name].id, \ |
| 93 | level, (void *)(addr), len); \ |
| 94 | } while (0) |
| 95 | |
| 96 | #define CTCM_DBF_TEXT_(name, level, text...) \ |
| 97 | do { \ |
| 98 | if (ctcm_dbf_passes(ctcm_dbf[CTCM_DBF_##name].id, level)) { \ |
| 99 | char *ctcm_dbf_txt_buf = \ |
| 100 | get_cpu_var(ctcm_dbf_txt_buf); \ |
| 101 | sprintf(ctcm_dbf_txt_buf, text); \ |
| 102 | debug_text_event(ctcm_dbf[CTCM_DBF_##name].id, \ |
| 103 | level, ctcm_dbf_txt_buf); \ |
| 104 | put_cpu_var(ctcm_dbf_txt_buf); \ |
| 105 | } \ |
| 106 | } while (0) |
| 107 | |
| 108 | /* |
| 109 | * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}. |
| 110 | * dev : netdevice with valid name field. |
| 111 | * text: any text string. |
| 112 | */ |
| 113 | #define CTCM_DBF_DEV_NAME(cat, dev, text) \ |
| 114 | do { \ |
| 115 | CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%s) : %s", \ |
| 116 | CTCM_FUNTAIL, dev->name, text); \ |
| 117 | } while (0) |
| 118 | |
| 119 | #define MPC_DBF_DEV_NAME(cat, dev, text) \ |
| 120 | do { \ |
| 121 | CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%s) : %s", \ |
| 122 | CTCM_FUNTAIL, dev->name, text); \ |
| 123 | } while (0) |
| 124 | |
| 125 | #define CTCMY_DBF_DEV_NAME(cat, dev, text) \ |
| 126 | do { \ |
| 127 | if (IS_MPCDEV(dev)) \ |
| 128 | MPC_DBF_DEV_NAME(cat, dev, text); \ |
| 129 | else \ |
| 130 | CTCM_DBF_DEV_NAME(cat, dev, text); \ |
| 131 | } while (0) |
| 132 | |
| 133 | /* |
| 134 | * cat : one of {setup, mpc_setup, trace, mpc_trace, error, mpc_error}. |
| 135 | * dev : netdevice. |
| 136 | * text: any text string. |
| 137 | */ |
| 138 | #define CTCM_DBF_DEV(cat, dev, text) \ |
| 139 | do { \ |
| 140 | CTCM_DBF_TEXT_(cat, CTC_DBF_INFO, "%s(%p) : %s", \ |
| 141 | CTCM_FUNTAIL, dev, text); \ |
| 142 | } while (0) |
| 143 | |
| 144 | #define MPC_DBF_DEV(cat, dev, text) \ |
| 145 | do { \ |
| 146 | CTCM_DBF_TEXT_(MPC_##cat, CTC_DBF_INFO, "%s(%p) : %s", \ |
| 147 | CTCM_FUNTAIL, dev, text); \ |
| 148 | } while (0) |
| 149 | |
| 150 | #define CTCMY_DBF_DEV(cat, dev, text) \ |
| 151 | do { \ |
| 152 | if (IS_MPCDEV(dev)) \ |
| 153 | MPC_DBF_DEV(cat, dev, text); \ |
| 154 | else \ |
| 155 | CTCM_DBF_DEV(cat, dev, text); \ |
| 156 | } while (0) |
| 157 | |
| 158 | #endif |