161 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			161 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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 (sfrench@us.ibm.com)
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|  */
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| 
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| #ifndef _H_CIFS_DEBUG
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| #define _H_CIFS_DEBUG
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| 
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| #ifdef pr_fmt
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| #undef pr_fmt
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| #endif
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| 
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| #define pr_fmt(fmt) "CIFS: " fmt
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| 
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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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| 
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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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| /*
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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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| 
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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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| 
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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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| 
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| #define cifs_info(fmt, ...)						\
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| 	cifs_info_func(ratelimited, fmt, ##__VA_ARGS__)
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| 
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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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| 
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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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| 
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| #define cifs_server_dbg_func(ratefunc, type, fmt, ...)			\
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| do {									\
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| 	spin_lock(&server->srv_lock);					\
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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__, server->hostname,	\
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| 				      ##__VA_ARGS__);			\
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| 	} else if ((type) & VFS) {					\
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| 		pr_err_ ## ratefunc("VFS: \\\\%s " fmt,			\
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| 				    server->hostname, ##__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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| 				      server->hostname, ##__VA_ARGS__);	\
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| 	}								\
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| 	spin_unlock(&server->srv_lock);					\
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| } while (0)
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| 
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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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| 
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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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| 
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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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| /*
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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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| 
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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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| 
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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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| 
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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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| 
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| #endif				/* _H_CIFS_DEBUG */
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