| /* 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 |
| |
| 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, ...) \ |
| do { \ |
| pr_info_ ## ratefunc("CIFS: " fmt, ##__VA_ARGS__); \ |
| } while (0) |
| |
| #define cifs_info(fmt, ...) \ |
| do { \ |
| cifs_info_func(ratelimited, fmt, ##__VA_ARGS__); \ |
| } while (0) |
| |
| /* 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("CIFS 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) |
| |
| /* |
| * debug OFF |
| * --------- |
| */ |
| #else /* _CIFS_DEBUG */ |
| #define cifs_dbg(type, fmt, ...) \ |
| do { \ |
| if (0) \ |
| pr_debug(fmt, ##__VA_ARGS__); \ |
| } while (0) |
| |
| #define cifs_info(fmt, ...) \ |
| do { \ |
| pr_info("CIFS: "fmt, ##__VA_ARGS__); \ |
| } while (0) |
| #endif |
| |
| #endif /* _H_CIFS_DEBUG */ |