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160 lines
4.3 KiB
160 lines
4.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* |
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* Copyright (c) International Business Machines Corp., 2000,2002 |
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* Modified by Steve French ([email protected]) |
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*/ |
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#ifndef _H_CIFS_DEBUG |
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#define _H_CIFS_DEBUG |
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#ifdef pr_fmt |
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#undef pr_fmt |
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#endif |
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#define pr_fmt(fmt) "CIFS: " fmt |
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void cifs_dump_mem(char *label, void *data, int length); |
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void cifs_dump_detail(void *buf, struct TCP_Server_Info *ptcp_info); |
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void cifs_dump_mids(struct TCP_Server_Info *); |
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extern bool traceSMB; /* flag which enables the function below */ |
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void dump_smb(void *, int); |
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#define CIFS_INFO 0x01 |
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#define CIFS_RC 0x02 |
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#define CIFS_TIMER 0x04 |
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#define VFS 1 |
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#define FYI 2 |
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extern int cifsFYI; |
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#ifdef CONFIG_CIFS_DEBUG2 |
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#define NOISY 4 |
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#else |
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#define NOISY 0 |
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#endif |
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#define ONCE 8 |
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/* |
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* debug ON |
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* -------- |
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*/ |
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#ifdef CONFIG_CIFS_DEBUG |
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/* |
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* When adding tracepoints and debug messages we have various choices. |
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* Some considerations: |
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* |
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* Use cifs_dbg(VFS, ...) for things we always want logged, and the user to see |
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* cifs_info(...) slightly less important, admin can filter via loglevel > 6 |
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* cifs_dbg(FYI, ...) minor debugging messages, off by default |
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* trace_smb3_* ftrace functions are preferred for complex debug messages |
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* intended for developers or experienced admins, off by default |
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*/ |
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/* Information level messages, minor events */ |
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#define cifs_info_func(ratefunc, fmt, ...) \ |
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pr_info_ ## ratefunc(fmt, ##__VA_ARGS__) |
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#define cifs_info(fmt, ...) \ |
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cifs_info_func(ratelimited, fmt, ##__VA_ARGS__) |
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/* information message: e.g., configuration, major event */ |
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#define cifs_dbg_func(ratefunc, type, fmt, ...) \ |
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do { \ |
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if ((type) & FYI && cifsFYI & CIFS_INFO) { \ |
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pr_debug_ ## ratefunc("%s: " fmt, \ |
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__FILE__, ##__VA_ARGS__); \ |
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} else if ((type) & VFS) { \ |
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pr_err_ ## ratefunc("VFS: " fmt, ##__VA_ARGS__); \ |
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} else if ((type) & NOISY && (NOISY != 0)) { \ |
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pr_debug_ ## ratefunc(fmt, ##__VA_ARGS__); \ |
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} \ |
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} while (0) |
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#define cifs_dbg(type, fmt, ...) \ |
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do { \ |
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if ((type) & ONCE) \ |
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cifs_dbg_func(once, type, fmt, ##__VA_ARGS__); \ |
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else \ |
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cifs_dbg_func(ratelimited, type, fmt, ##__VA_ARGS__); \ |
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} while (0) |
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#define cifs_server_dbg_func(ratefunc, type, fmt, ...) \ |
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do { \ |
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const char *sn = ""; \ |
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if (server && server->hostname) \ |
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sn = server->hostname; \ |
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if ((type) & FYI && cifsFYI & CIFS_INFO) { \ |
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pr_debug_ ## ratefunc("%s: \\\\%s " fmt, \ |
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__FILE__, sn, ##__VA_ARGS__); \ |
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} else if ((type) & VFS) { \ |
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pr_err_ ## ratefunc("VFS: \\\\%s " fmt, \ |
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sn, ##__VA_ARGS__); \ |
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} else if ((type) & NOISY && (NOISY != 0)) { \ |
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pr_debug_ ## ratefunc("\\\\%s " fmt, \ |
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sn, ##__VA_ARGS__); \ |
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} \ |
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} while (0) |
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#define cifs_server_dbg(type, fmt, ...) \ |
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do { \ |
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if ((type) & ONCE) \ |
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cifs_server_dbg_func(once, type, fmt, ##__VA_ARGS__); \ |
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else \ |
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cifs_server_dbg_func(ratelimited, type, fmt, \ |
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##__VA_ARGS__); \ |
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} while (0) |
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#define cifs_tcon_dbg_func(ratefunc, type, fmt, ...) \ |
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do { \ |
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const char *tn = ""; \ |
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if (tcon && tcon->tree_name) \ |
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tn = tcon->tree_name; \ |
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if ((type) & FYI && cifsFYI & CIFS_INFO) { \ |
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pr_debug_ ## ratefunc("%s: %s " fmt, \ |
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__FILE__, tn, ##__VA_ARGS__); \ |
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} else if ((type) & VFS) { \ |
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pr_err_ ## ratefunc("VFS: %s " fmt, tn, ##__VA_ARGS__); \ |
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} else if ((type) & NOISY && (NOISY != 0)) { \ |
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pr_debug_ ## ratefunc("%s " fmt, tn, ##__VA_ARGS__); \ |
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} \ |
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} while (0) |
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#define cifs_tcon_dbg(type, fmt, ...) \ |
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do { \ |
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if ((type) & ONCE) \ |
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cifs_tcon_dbg_func(once, type, fmt, ##__VA_ARGS__); \ |
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else \ |
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cifs_tcon_dbg_func(ratelimited, type, fmt, \ |
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##__VA_ARGS__); \ |
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} while (0) |
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/* |
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* debug OFF |
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* --------- |
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*/ |
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#else /* _CIFS_DEBUG */ |
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#define cifs_dbg(type, fmt, ...) \ |
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do { \ |
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if (0) \ |
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pr_debug(fmt, ##__VA_ARGS__); \ |
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} while (0) |
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#define cifs_server_dbg(type, fmt, ...) \ |
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do { \ |
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if (0) \ |
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pr_debug("\\\\%s " fmt, \ |
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server->hostname, ##__VA_ARGS__); \ |
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} while (0) |
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#define cifs_tcon_dbg(type, fmt, ...) \ |
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do { \ |
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if (0) \ |
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pr_debug("%s " fmt, tcon->tree_name, ##__VA_ARGS__); \ |
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} while (0) |
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#define cifs_info(fmt, ...) \ |
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pr_info(fmt, ##__VA_ARGS__) |
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#endif |
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#endif /* _H_CIFS_DEBUG */
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