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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * * Copyright (c) International Business Machines Corp., 2000,2002 * Modified by Steve French (sfrench@us.ibm.com) */ #ifndef _H_CIFS_DEBUG #define _H_CIFS_DEBUG #ifdef pr_fmt #undef pr_fmt #endif #define pr_fmt(fmt) "CIFS: " fmt void cifs_dump_mem(char *label, void *data, int length); void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info); void cifs_dump_mids(struct TCP_Server_Info *); extern bool traceSMB; /* flag which enables the function below */ void dump_smb(void *, int); #define CIFS_INFO 0x01 #define CIFS_RC 0x02 #define CIFS_TIMER 0x04 #define VFS 1 #define FYI 2 extern int cifsFYI; #ifdef CONFIG_CIFS_DEBUG2 #define NOISY 4 #else #define NOISY 0 #endif #define ONCE 8 /* * debug ON * -------- */ #ifdef CONFIG_CIFS_DEBUG /* * When adding tracepoints and debug messages we have various choices. * Some considerations: * * Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see * cifs_info(...) slightly less important, admin can filter via loglevel > 6 * cifs_dbg(FYI, ...) minor debugging messages, off by default * trace_smb3_* ftrace functions are preferred for complex debug messages * intended for developers or experienced admins, off by default */ /* Information level messages, minor events */ #define cifs_info_func(ratefunc, fmt, ...) \ pr_info_ ## ratefunc(fmt, ##__VA_ARGS__) #define cifs_info(fmt, ...) \ cifs_info_func(ratelimited, fmt, ##__VA_ARGS__) /* information message: e.g., configuration, major event */ #define cifs_dbg_func(ratefunc, type, fmt, ...) \ do { \ if ((type) & FYI && cifsFYI & CIFS_INFO) { \ pr_debug_ ## ratefunc("%s: " fmt, \ __FILE__, ##__VA_ARGS__); \ } else if ((type) & VFS) { \ pr_err_ ## ratefunc("VFS: " fmt, ##__VA_ARGS__); \ } else if ((type) & NOISY && (NOISY != 0)) { \ pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \ } \ } while (0) #define cifs_dbg(type, fmt, ...) \ do { \ if ((type) & ONCE) \ cifs_dbg_func(once, type, fmt, ##__VA_ARGS__); \ else \ cifs_dbg_func(ratelimited, type, fmt, ##__VA_ARGS__); \ } while (0) #define cifs_server_dbg_func(ratefunc, type, fmt, ...) \ do { \ spin_lock(&server->srv_lock); \ if ((type) & FYI && cifsFYI & CIFS_INFO) { \ pr_debug_ ## ratefunc("%s: \\\\%s " fmt, \ __FILE__, server->hostname, \ ##__VA_ARGS__); \ } else if ((type) & VFS) { \ pr_err_ ## ratefunc("VFS: \\\\%s " fmt, \ server->hostname, ##__VA_ARGS__); \ } else if ((type) & NOISY && (NOISY != 0)) { \ pr_debug_ ## ratefunc("\\\\%s " fmt, \ server->hostname, ##__VA_ARGS__); \ } \ spin_unlock(&server->srv_lock); \ } while (0) #define cifs_server_dbg(type, fmt, ...) \ do { \ if ((type) & ONCE) \ cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__); \ else \ cifs_server_dbg_func(ratelimited, type, fmt, \ ##__VA_ARGS__); \ } while (0) #define cifs_tcon_dbg_func(ratefunc, type, fmt, ...) \ do { \ const char *tn = ""; \ if (tcon && tcon->tree_name) \ tn = tcon->tree_name; \ if ((type) & FYI && cifsFYI & CIFS_INFO) { \ pr_debug_ ## ratefunc("%s: %s " fmt, \ __FILE__, tn, ##__VA_ARGS__); \ } else if ((type) & VFS) { \ pr_err_ ## ratefunc("VFS: %s " fmt, tn, ##__VA_ARGS__); \ } else if ((type) & NOISY && (NOISY != 0)) { \ pr_debug_ ## ratefunc("%s " fmt, tn, ##__VA_ARGS__); \ } \ } while (0) #define cifs_tcon_dbg(type, fmt, ...) \ do { \ if ((type) & ONCE) \ cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__); \ else \ cifs_tcon_dbg_func(ratelimited, type, fmt, \ ##__VA_ARGS__); \ } while (0) /* * debug OFF * --------- */ #else /* _CIFS_DEBUG */ #define cifs_dbg(type, fmt, ...) \ do { \ if (0) \ pr_debug(fmt, ##__VA_ARGS__); \ } while (0) #define cifs_server_dbg(type, fmt, ...) \ do { \ if (0) \ pr_debug("\\\\%s " fmt, \ server->hostname, ##__VA_ARGS__); \ } while (0) #define cifs_tcon_dbg(type, fmt, ...) \ do { \ if (0) \ pr_debug("%s " fmt, tcon->tree_name, ##__VA_ARGS__); \ } while (0) #define cifs_info(fmt, ...) \ pr_info(fmt, ##__VA_ARGS__) #endif #endif /* _H_CIFS_DEBUG */ |